CN218062246U - Automatic rod withdrawing device of mine pressure relief drilling machine - Google Patents

Abstract

The utility model belongs to the technical field of the automatic technique of mine scour protection release rig and specifically relates to an automatic pole device that moves back of mining release rig, including the release rig body the swing motor is installed to the outer end of release rig body a mining drilling rod position sleeve is installed to the tip of swing motor's output shaft the drilling rod intracavity of mining drilling rod position sleeve is used for cooperating the mining drilling rod of cartridge install a mining drilling rod blocked mechanical system on the lateral wall of mining drilling rod position sleeve, the upper end of mining drilling rod blocked mechanical system is connected with a shift control mechanism, shift control mechanism realizes connection control by the piece of controlling of outside, mining drilling rod blocked mechanical system is used for controlling mining drilling rod and is in the locking and the unblock of drilling rod intracavity portion. The locking mechanism of the mining drill rod is controlled integrally in a hydraulic driving mode, and the automatic release can be controlled to quickly switch the drill rod in the locking and unlocking states in the installation state.

Description

Automatic rod withdrawing device of mine pressure relief drilling machine

Technical Field

The utility model relates to a mine scour protection release rig automation technical field, in particular to novel automatic pole apparatus that moves back of mining scour protection release rig, especially an automatic pole device that moves back of mining release rig.

Background

When a traditional drill carriage is used for replacing a mining drill rod after the drill carriage stops running, the mining drill rod can be taken down by manually pressing a locking device on the mining drill rod by means of a tool, and sometimes an operator needs to start the drill again to rotate the locking device to take down due to the fact that the direction and the position of the locking device are not aligned.

In addition, when the next new mining drill rod is installed for connection, the relative position of the two mining drill rods needs to be adjusted by a wrench in the traditional mining drill rod connection, and the operation is time-consuming and labor-consuming and affects the work efficiency.

At present, a plurality of patent technologies for optimally solving the above problems also appear in the prior art, for example, in patent document CN202021444327.5, a hydraulic mining drill rod trolley efficient mining drill rod returning device is disclosed, which comprises a rod returning device, wherein the rod returning device is installed on a drill boom, a rotating device is installed on the drill boom, an output shaft is fixed on the rotating device, a mining drill rod body is arranged inside the output shaft, and the rod returning device is arranged at the lower part of the rotating device and used for ejecting the mining drill rod body. The rod withdrawing device comprises an oil cylinder (10) arranged at the lower part of the rotating device (6), a plunger (11) used for ejecting the mining drill rod body (2) is arranged in the oil cylinder (10), and an oil inlet hole (12) and an oil return hole (13) for controlling the plunger (11) to lift are arranged on the oil cylinder (10). The working principle is as follows: when the mining drill rod body is used, a worker operates the anchor rod drilling machine to drill the hole to the designed depth, the drilling machine falls down through the anchor rod drilling arm and the lifting rod, the unit oil pump feeds oil to the oil inlet hole, the plunger moves upwards under the pushing action of high-pressure oil, the mining drill rod body is ejected upwards, the mining drill rod body is made to withdraw from the output shaft, the adapter on the mining drill rod body is detached, the adapter and the mining drill rod are placed into the material warehouse, finally, the unit oil pump returns oil to the oil return hole, and the plunger returns to reset.

It can be seen that, in the hydraulic mining drill rod trolley high-efficiency mining drill rod withdrawing device in the prior art, when the mining drill rod is withdrawn, the mining drill rod is withdrawn mainly by upward movement of the plunger, and after the mining drill rod is withdrawn, the mining drill rod and the connection conversion head still need to be dismantled, or the mining drill rod cannot be directly taken out. In addition, the prior art is opposite to the mining drill rod structure connected through the conversion head when the drill rod is withdrawn, and the quick conversion of locking and quick withdrawal treatment cannot be performed on the common quick-change mining drill rod with a positioning groove.

Therefore, the utility model provides an utilize hydraulic control to realize quick shutting of mining drilling rod structure and move back the pole fast here for solve the problem that exists among the prior art.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve one of above-mentioned technical problem, the technical scheme who adopts is: the utility model provides an automatic pole device that moves back of mining release rig, includes the release rig body the rotary motor is installed to the outer end of release rig body a mining drilling rod position sleeve is installed to the tip of rotary motor's output shaft the drilling rod intracavity of mining drilling rod position sleeve is used for cooperating the mining drilling rod of cartridge install a mining drilling rod blocked mechanical system on the lateral wall of mining drilling rod position sleeve, the upper end of mining drilling rod blocked mechanical system is connected with a aversion control mechanism, connection control is realized by outside control piece to aversion control mechanism, mining drilling rod blocked mechanical system is used for controlling mining drilling rod and is in the locking and the unblock of drilling rod intracavity portion.

It is preferred in above-mentioned arbitrary scheme, mining drilling rod blocked mechanical system cup joints including the activity locking translation cover on the lateral wall of mining drilling rod position sleeve be provided with a toper on the inner inside wall of locking translation cover and push away a curved surface, the toper pushes away the rear end of curved surface and all keeps away from the direction in the central axis outside of locking translation cover is extended and is expanded be equipped with one in place ladder surface in the locking translation cover intracavity of the front end of toper position curved surface locking translation cover is inboard the downthehole automatic release of installation of through-going internal thread on the top lateral wall of mining drilling rod position sleeve, automatic release is through following the radial flexible purpose that reaches the safe blocking device that the cartridge set up under the natural state on its inside drilling rod flattens, the top of locking translation cover through link firmly the hydro-cylinder spliced pole that sets up with it is connected to shift control mechanism's front end.

The safety locking device belongs to the prior art configuration on a drill rod component, the top of the safety locking device protrudes out of the outer side wall of the drill rod in a natural state, and the safety locking device can retract into a corresponding hole position of the drill rod in an external force state.

In any of the above aspects, it is preferable that the lock translation sleeve controls the telescopic movement of the automatic release by being axially displaced.

In any of the above schemes, preferably, the automatic release includes a sleeve screwed and installed in the through internal threaded hole, an ejector rod coaxially installed with the sleeve is installed in an inner cavity of the sleeve, a push release ring is installed at the bottom of the ejector rod, an outer side wall of the push release ring is fixedly connected to an inner side wall of the through internal threaded hole, the top of the ejector rod penetrates through the top of the sleeve and is coaxially fixed with the bottom of the conical block, an outer side wall curved surface of the conical block is in matched abutting joint with the conical push curved surface in a working state, the purpose of controlling the extension and retraction of the ejector rod is achieved by the fact that the conical push curved surface is close to or far away from the outer side wall curved surface of the conical block, a tensioning spring is sleeved on the outer side wall of the ejector rod, and the upper end and the lower end of the tensioning spring are respectively in abutting joint with the bottom of the conical block and the top of the push release ring.

In any of the above schemes, preferably, the drill rod cavity of the mining drill rod positioning sleeve adopts a multi-prism cavity, and the surface of the drill rod is in a multi-prism shape matched with the multi-prism cavity.

In any of the above schemes, preferably, the displacement control mechanism includes a horizontally arranged push-pull oil cylinder, a cylinder body of the push-pull oil cylinder is bolted and fixed on the top of the outer end of the pressure relief drilling machine body through an oil cylinder fixing support at the bottom of the push-pull oil cylinder, an oil cylinder connecting column is bolted and connected to the end of a piston rod of the push-pull oil cylinder, and the push-pull oil cylinder is connected and controlled by an external control member.

In any of the above schemes, preferably, the push-pull oil cylinder is a double-acting oil cylinder having an oil inlet and an oil return port.

In any of the above schemes, preferably, the control member includes a hydraulic control operating handle, and corresponding ports of the hydraulic control operating handle are respectively connected and matched with corresponding oil inlets and oil return ports on the push-pull oil cylinder through hydraulic oil pipes; the hydraulic control operation handle is matched and connected with an external hydraulic system.

In any of the above schemes, preferably, the top of the sleeve penetrates out of the outer side wall of the mining drill rod positioning sleeve by 2-3mm, and the sleeve is used for realizing blocking and limiting after the in-place stepped surface is in place.

In any of the above schemes, preferably, the hydraulic oil pipe is made of a steel braided rubber pipe with an inner diameter of 10mm, and the steel braided rubber pipe is braided by four layers of steel wires with a pressure rating of not less than 24KPA, so as to control the telescopic action of the push-pull oil cylinder.

In any of the above schemes, preferably, the oil cylinder fixing support is spliced into an L shape by adopting a Q235 steel plate with the thickness of 16mm, the welding quality is ensured during welding, and the oil cylinder fixing support is fixed by using the existing bolt on the pressure relief drilling machine and is used for bearing the push-pull oil cylinder.

In any of the above schemes, preferably, the push-pull oil cylinder is connected with the oil cylinder connecting column through a fixing bolt, so that the oil cylinder is driven to move together when the oil cylinder moves, the M16 bolt connection is adopted, and the strength of the push-pull oil cylinder is not lower than 8.8 grade of national standard.

In any of the above schemes, preferably, the inner aperture of the locking translation sleeve is slightly larger than the diameter of the positioning sleeve of the mining drill rod, so as to prevent friction during pressure relief drilling, and the locking translation sleeve is processed by round steel with the diameter of phi 120mm, so as to ensure the processing precision.

And a positioning clamp spring seat is processed at the front end of the mining drill rod positioning sleeve and used for adjusting the correction of the locking translation sleeve after the locking translation sleeve is in place.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the control of the mining drill rod locking mechanism is integrally realized by adopting a hydraulic driving mode, only a hydraulic operating handle needs to be controlled during operation, the rapid switching of the locking and unlocking states of the automatic release on the drill rod in the installation state can be rapidly controlled, the drill rod can be manually and rapidly pulled out to push the rod in the unlocking state, and the integral operation is simpler.

2. When the device is used, after a drill rod is inserted, the safety locking device on the drill rod is in a compressed state, and after the drill rod is operated and adjusted, the safety locking device can be released at the inner cavity part of the sleeve and extend into the inner cavity of the sleeve, so that the effect of preventing the pin from moving back is achieved; the steps of installing and locking the drill rod are quick and simple.

3. The retraction of the push-pull oil cylinder is controlled to drive the ejector rod of the automatic release to move inwards along the radial direction, so that the safety locking device on the drill rod extending to the inner cavity of the sleeve can be pushed out of the inner cavity of the sleeve and into the drill rod, the drill rod can be quickly withdrawn, and the operation is quick and convenient.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below. Throughout the drawings, like elements or components are generally identified by like reference numerals. In the drawings, elements or components are not necessarily drawn to scale.

Fig. 1 is a schematic layout diagram (without a drill rod installed) of the present invention.

Fig. 2 is a schematic structural diagram (without a drill rod installed) of the present invention.

Fig. 3 is an enlarged schematic structural diagram (a state of installing a drill rod and a partial sectional view of the drill rod) of the mining drill rod locking mechanism of the present invention.

In the figure, 1, a pressure relief drill body; 2. a rotary motor; 3. a mining drill rod positioning sleeve; 4. a drill pipe cavity; 5. a mining drill rod; 501. a safety lockout device; 6. a displacement control mechanism; 601. a push-pull oil cylinder; 602. the oil cylinder fixing support; 603. an oil inlet; 604. an oil return port; 7. locking the translation sleeve; 701. a tapered locating curved surface; 702. the step surface is positioned; 8. a through internal threaded hole; 9. a cylinder connecting column; 10. a sleeve; 11. a top rod; 12. pushing to remove the snap ring; 13. a conical block; 14. tensioning the spring; 15. a hydraulic control operating handle; 16. a hydraulic oil pipe; A. an automatic release.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only used to illustrate the technical solutions of the present invention more clearly, and therefore are only used as examples, and the protection scope of the present invention is not limited thereby. The specific structure of the utility model is shown in figures 1-3.

Example 1:

the utility model provides an automatic pole device that moves back of mining release rig, includes release rig body 1 swivel motor 2 is installed to the outer end of release rig body 1 a mining drilling rod position sleeve 3 is installed to the tip of swivel motor 2's output shaft be used for cooperating the mining drilling rod 5 of cartridge in the drilling rod chamber 4 of mining drilling rod position sleeve 3 install a mining drilling rod blocked mechanical system on the lateral wall of mining drilling rod position sleeve 3, the upper end of mining drilling rod blocked mechanical system is connected with a aversion control mechanism 6, aversion control mechanism 6 realizes connection control by the piece of controlling of outside, mining drilling rod blocked mechanical system is used for controlling mining drilling rod 5 and is in the locking and the unblock of drilling rod intracavity portion 4 inside. The automatic rod withdrawing device of the mining pressure relief drilling machine is mounted on an original pressure relief drilling machine body 1 in the whole structure, and the telescopic control of the displacement control mechanism 6 can be realized by operating the control part, so that the aim of controlling the mining drill rod locking mechanism to displace along the axis of the mining drill rod positioning sleeve 3 can be fulfilled, and finally the locking and unlocking of a drill rod inserted into the mining drill rod positioning sleeve 3 can be controlled.

It is preferred in any one of the above schemes that mining drilling rod blocking mechanism cup joints including the activity locking translation cover 7 on the lateral wall of mining drilling rod position sleeve 3 be provided with a toper on the inner inside wall of locking translation cover 7 and push away a curved surface 701, the toper pushes away the rear end of curved surface 701 and all to keeping away from the direction extension expansion in the central axis outside of locking translation cover 7 be equipped with one in the locking translation cover 7 inner chamber of the front end of toper position curved surface 701 and to target at the ladder surface 702, locking translation cover 7 is inboard the internal thread hole 8 that link up on the top lateral wall of mining drilling rod position sleeve 3 installs automatic release in, automatic release reaches the safe blocking device 501 that the cartridge is protruding under the natural state on its inside drilling rod purpose of flattening through following the radial flexible of mining drilling rod position sleeve 3, the top of locking translation cover 7 through rather than link firmly the hydro-cylinder spliced pole 9 that sets up with the front end of displacement control mechanism 6 is connected. When the mining drill rod locking mechanism works, the locking translation sleeve 7 is driven by the displacement control mechanism 6 to move back and forth along the axis direction of the mining drill rod positioning sleeve 3, when the mining drill rod locking mechanism moves forward, the whole conical pushing curved surface 701 and a corresponding automatic release are in a relatively separated and contactless state, and at the moment, the central inner cavity of the tripping ring 12 penetrating through the inner part of the lower end of the internal threaded hole 8 is in an empty state, so that when a drill rod is inserted into the drill rod cavity 4, the safety locking device 501 protruding on the drill rod is in a certain compression state, when the drill rod is abutted to the bottom of the drill rod cavity 4, the central line of the safety locking device 501 on the drill rod and the central inner axes of the penetrating internal threaded hole 8 and the tripping ring 12 are in the same plane, when the rotary motor 2 of a drilling machine is controlled to drive the mining drill rod positioning sleeve 3 to rotate, the safety locking device 501 on the drill rod can automatically release and quickly extend into the central inner cavity of the corresponding tripping ring 12 due to the relative rotation of the drill rod and the drilling rod positioning sleeve 3 is positioned, and the drill rod cannot be pulled out.

When the rod needs to be withdrawn, the displacement control mechanism 6 can be controlled to retract to drive the locking translation sleeve 7 to move backwards along the axis direction of the mining drill rod positioning sleeve 3, at the moment, the conical pushing curved surface 701 can be driven to continuously abut against and inwards compress the automatic release, so that the inner end of the automatic release moves inwards along the central inner cavity of the release ring 12, finally, the safety locking device 501 extending into the central inner cavity of the release ring 12 is pushed out by the release ring 12 and stretches into the corresponding hole of the drill rod, at the moment, the drill rod can be quickly pulled out, and the rod withdrawal is realized.

The safety locking device 501 is configured in the prior art on a drill rod component, protrudes out of the outer side wall of the drill rod at the top in a natural state, and can retract into a corresponding hole of the drill rod in an external force state.

In any of the above solutions, it is preferable that the locking translation sleeve 7 controls the telescopic movement of the automatic release by being axially displaced.

In any of the above schemes, preferably, the automatic release a includes a sleeve 10 screwed and installed in the through internal threaded hole 8, an ejector rod 11 coaxially installed with the sleeve 10 is installed in an inner cavity of the sleeve 10, a trip ring 12 is installed at the bottom of the ejector rod 11, an outer side wall of the trip ring 12 is fixedly connected to an inner side wall of the through internal threaded hole 8, a top of the ejector rod 11 penetrates through a top of the sleeve 10 and is coaxially fixed with a bottom of a conical block 13, an outer side wall curved surface of the conical block 13 is in a matching and abutting connection with the conical push-off curved surface 701 in a working state, the purpose of controlling the extension and retraction of the ejector rod 11 is achieved by the fact that the conical push-off curved surface is close to or far away from the outer side wall curved surface of the conical block 13, a tension spring 14 is sleeved on the outer side wall of the ejector rod 11, and upper and lower ends of the tension spring 14 are respectively in abutting connection with the bottom of the corresponding conical block 13 and the top of the trip ring 12.

The automatic release mainly follows the supporting of toper positioning curved surface 701 when moving and realizes that the toper pushes away and realize supporting between the curved surface of the lateral wall of tapered block 13 and the curved surface of tapered positioning curved surface 701 and bulldoze tightly, can make tapered block 13 move along the axial direction that link up internal thread hole 8 inwards passively when bulldozing, thereby drive the ejector pin aversion, the inner bottom of ejector pin will stretch out the safety blocking device 501 who extends to on the drilling rod of the inside of taking off the central inner chamber of buckle 12 and make it stretch out and draw back to the drilling rod correspond downtheholely at this moment, can extract the drilling rod fast, thereby realize withdrawing the pole, tensioning spring 14 that sets up here can play the mesh of automatic re-setting, make whole automatic release be in the out-of-operation state under natural state.

In any of the above schemes, preferably, the displacement control mechanism 6 includes a horizontally disposed push-pull oil cylinder 601, a cylinder body of the push-pull oil cylinder 601 is bolted and fixed at the top of the outer end of the pressure relief drilling machine body 1 through an oil cylinder fixing support 602 at the bottom of the push-pull oil cylinder 601, an oil cylinder connecting column 9 is bolted and connected at an end of a piston rod of the push-pull oil cylinder 601, and the push-pull oil cylinder 601 is connected and controlled by an external control member.

In any of the above schemes, preferably, the control member includes a hydraulic control operating handle 15, and a corresponding port of the hydraulic control operating handle 15 is respectively connected and matched with a corresponding oil inlet 603 and an oil return port 604 on the push-pull oil cylinder 601 through a hydraulic oil pipe 16; the hydraulic control operation handle 15 is cooperatively connected with an external hydraulic system.

The hydraulic control operation handle 15 is adopted to control the extension and retraction of the piston rod, so that the rapidness and simplicity of operation can be effectively guaranteed.

Example 2:

the utility model provides an automatic pole device that moves back of mining release drill, includes release drill body 1 swivel motor 2 is installed to the outer end of release drill body 1 a mining drilling rod position sleeve 3 is installed to the tip of swivel motor 2's output shaft be used for cooperating the mining drilling rod 5 of cartridge in the drilling rod chamber 4 of mining drilling rod position sleeve 3 install a mining drilling rod blocked mechanical system on the lateral wall of mining drilling rod position sleeve 3, the upper end of mining drilling rod blocked mechanical system is connected with a aversion control mechanism 6, connection control is realized by outside control piece to aversion control mechanism 6, mining drilling rod blocked mechanical system is used for controlling mining drilling rod 5 and is in the locking and the unblock of drilling rod chamber 4 inside.

It is preferred in any one of the above schemes that mining drilling rod blocking mechanism cup joints including the activity locking translation cover 7 on the lateral wall of mining drilling rod position sleeve 3 be provided with a toper on the inner inside wall of locking translation cover 7 and push away a curved surface 701, the toper pushes away the rear end of curved surface 701 and all to keeping away from the direction extension expansion in the central axis outside of locking translation cover 7 be equipped with one in the locking translation cover 7 inner chamber of the front end of toper position curved surface 701 and to target at the ladder surface 702, locking translation cover 7 is inboard the internal thread hole 8 that link up on the top lateral wall of mining drilling rod position sleeve 3 installs automatic release in, automatic release reaches the safe blocking device 501 that the cartridge is protruding under the natural state on its inside drilling rod purpose of flattening through following the radial flexible of mining drilling rod position sleeve 3, the top of locking translation cover 7 through rather than link firmly the hydro-cylinder spliced pole 9 that sets up with the front end of displacement control mechanism 6 is connected.

The safety locking device 501 is configured in the prior art on a drill rod component, protrudes out of the outer side wall of the drill rod at the top in a natural state, and can retract into a corresponding hole of the drill rod in an external force state.

In any of the above solutions, it is preferable that the lock translation sleeve 7 controls the telescopic movement of the automatic release by being axially displaced.

In any of the above schemes, preferably, the automatic release includes a sleeve 10 screwed and installed in the through internal threaded hole 8, an ejector rod 11 coaxially installed with the sleeve 10 is installed in an inner cavity of the sleeve 10, a trip ring 12 coaxially installed with the ejector rod 11 is installed at the bottom of the ejector rod 11, an outer side wall of the trip ring 12 is fixedly connected to an inner side wall of the through internal threaded hole 8, a top of the ejector rod 11 penetrates through a top of the sleeve 10 and is coaxially fixed with a bottom of the conical block 13, an outer side wall curved surface of the conical block 13 is in a matching and abutting contact with the conical push-off curved surface 701 in a working state, an extension and retraction of the ejector rod 11 is controlled by approaching or departing the conical push-off curved surface 701 from the outer side wall curved surface of the conical block 13, a tension spring 14 is sleeved on the outer side wall of the ejector rod 11, and upper and lower ends of the tension spring 14 are respectively in abutting contact with a bottom of the corresponding conical block 13 and a top of the trip ring 12.

The automatic release mainly follows the support of toper curved surface 701 that pushes away when the motion and realizes that the toper pushes away and pushes tightly between the curved surface of the lateral wall of curved surface 701 and circular cone 13, can make circular cone 13 move along the axial direction that link up internal thread hole 8 inwards passively when bulldozing, thereby drive the ejector pin aversion, the inner bottom of ejector pin will stretch out the safety blocking device 501 that extends to on the drilling rod of the inside of taking off the central inner chamber of buckle 12 and make it stretch out and draw back to the drilling rod correspond downtheholely this moment, can extract the drilling rod fast, thereby realize moving back the pole, tensioning spring 14 that sets up here can play automatic re-setting's purpose, make whole automatic release be in out of work state under natural state.

In any of the above schemes, preferably, the drill rod cavity 4 of the mining drill rod positioning sleeve 3 is a polygonal prism cavity, and the surface of the drill rod is polygonal prism-shaped matched with the polygonal prism cavity, so that the synchronism of integral following rotation in the process of matching rotation transmission can be ensured.

In any of the above schemes, preferably, the displacement control mechanism 6 includes a horizontally disposed push-pull oil cylinder 601, a cylinder body of the push-pull oil cylinder 601 is bolted and fixed at the top of the outer end of the pressure relief drilling machine body 1 through an oil cylinder fixing support 602 at the bottom of the push-pull oil cylinder 601, an oil cylinder connecting column 9 is bolted and connected at an end of a piston rod of the push-pull oil cylinder 601, and the push-pull oil cylinder 601 is connected and controlled by an external control member.

In any of the above schemes, preferably, the push-pull oil cylinder 601 is a double-acting oil cylinder having an oil inlet 603 and an oil return 604.

The double-acting push-pull oil cylinder 601 can be used for rapidly driving the piston rod to stretch out and draw back, when the piston rod extends forwards, the oil cylinder connecting column 9 can be used for driving the whole mining drill rod locking mechanism to translate, when the piston rod retracts backwards, the conical push-out curved surface 701 and the corresponding automatic release can be driven to abut against each other, the ejector rod 11 can be abutted inwards along with continuous retraction, at the moment, the safety locking device 501 inserted into the drill rod penetrating through the inner part of the internal threaded hole 8 can be pushed out and can stretch out and draw back to the corresponding hole of the drill rod, and the drill rod can be pulled out rapidly.

In any of the above schemes, preferably, the control member includes a hydraulic control operating handle 15, and a corresponding port of the hydraulic control operating handle 15 is respectively connected and matched with a corresponding oil inlet 603 and an oil return port 604 on the push-pull oil cylinder 601 through a hydraulic oil pipe 16; the hydraulic control operation handle 15 is cooperatively connected with an external hydraulic system.

The hydraulic control operation handle 15 is adopted to control the extension and retraction of the piston rod, so that the rapidness and simplicity of operation can be effectively guaranteed.

In any of the above schemes, preferably, the top of the sleeve 10 penetrates out of the outer side wall of the mining drill rod positioning sleeve 3 by 2-3mm, and is used for realizing the blocking and limiting of the in-place stepped surface 702 after in-place.

The mode that the step surface 702 is in place can effectively realize the condition of excessive return of the piston rod, and effectively control the effective expansion amplitude and range of the piston rod.

In any of the above schemes, preferably, the hydraulic oil pipe is made of a steel braided rubber pipe with an inner diameter of 10mm, and the steel braided rubber pipe is braided by four layers of steel wires with a pressure rating of not less than 24KPA, so as to control the telescopic action of the push-pull oil cylinder.

In any of the above schemes, preferably, the oil cylinder fixing support is spliced into an L shape by adopting a Q235 steel plate with the thickness of 16mm, the welding quality is ensured during welding, and the oil cylinder fixing support is fixed by using the existing bolt on the pressure relief drilling machine and is used for bearing the push-pull oil cylinder.

In any of the above schemes, preferably, the push-pull oil cylinder is connected with the oil cylinder connecting column through a fixing bolt, so that the oil cylinder is driven to move together when the oil cylinder moves, the M16 bolt connection is adopted, and the strength of the push-pull oil cylinder is not lower than 8.8 grade of national standard.

In any of the above schemes, preferably, the inner aperture of the locking translation sleeve is slightly larger than the diameter of the positioning sleeve of the mining drill rod, so as to prevent friction during pressure relief drilling, and the locking translation sleeve is processed by round steel with diameter phi of 120mm, so as to ensure the processing precision.

The specific working principle is as follows:

when the mining drill rod locking mechanism works, the locking translation sleeve 7 is driven by the displacement control mechanism 6 to move back and forth along the axis direction of the mining drill rod positioning sleeve 3, when the mining drill rod locking mechanism moves forward, the whole conical push curved surface 701 and a corresponding automatic release are in a relatively separated and contactless state, and at the moment, the central inner cavity of the tripping ring 12 penetrating through the inner part of the lower end of the internal threaded hole 8 is in an empty state, so that the safety locking device 501 protruding on a drill rod is in a certain compression state when the drill rod is inserted into the drill rod cavity 4, when the drill rod is abutted to the bottom of the drill rod cavity 4, the central line of the safety locking device 501 on the drill rod and the central inner cavities of the penetrating internal threaded hole 8 and the tripping ring 12 are in the same plane, when the rotary motor 2 of a drilling machine is controlled to drive the mining drill rod positioning sleeve 3 to rotate, the safety locking device 501 on the drill rod can automatically release and quickly extend into the central inner cavity of the corresponding tripping ring 12 due to the relative rotation of the drill rod positioning sleeve 3, and the anti-withdrawal positioning of the drill rod can be prevented from being pulled out.

When the rod needs to be withdrawn, the displacement control mechanism 6 can be controlled to retract to drive the locking translation sleeve 7 to move backwards along the axis direction of the mining drill rod positioning sleeve 3, and at the moment, the conical pushing curved surface 701 can be driven to continuously abut against and compress the automatic release inwards, so that the inner end of the automatic release moves inwards along the central inner cavity of the release ring 12, finally, the release ring 12 is used for pushing out the safety locking device 501 extending into the central inner cavity of the release ring 12 and enabling the safety locking device to stretch into the corresponding hole of the drill rod, and at the moment, the drill rod can be quickly pulled out, so that the rod withdrawal is realized.

The control of the mining drill rod locking mechanism is integrally realized by adopting a hydraulic driving mode, only a hydraulic operating handle needs to be controlled during operation, the rapid switching of the locking and unlocking states of the automatic release on the drill rod in the installation state can be rapidly controlled, the drill rod can be manually and rapidly pulled out to push the rod in the unlocking state, and the integral operation is simpler. When the device is used, after a drill rod is inserted, the safety locking device 501 on the drill rod is in a compressed state, and after the drill rod is operated and adjusted, the safety locking device can be released at the inner cavity part of the sleeve 10 and extend into the inner cavity of the sleeve 10, so that the effect of preventing pin withdrawal is achieved; the steps of installing and locking the drill rod are quick and simple. The retraction of the push-pull oil cylinder 601 is controlled to drive the ejector rod 11 of the automatic release to move inwards along the radial direction, so that the safety locking device 501 on the drill rod extending to the inner cavity of the casing 10 can be pushed out of the inner cavity of the casing 10 and into the drill rod, the drill rod can be quickly withdrawn, and the operation is quick and convenient.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification; to those skilled in the art, any alternative improvements or changes made to the embodiments of the present invention are all within the scope of the present invention.

The parts of the present invention not described in detail are the known techniques of those skilled in the art.

Claims (10)

1. The utility model provides an automatic pole device that moves back of mining release rig, includes the release rig body the rotary motor, its characterized in that are installed to the outer end of release rig body: the end part of an output shaft of the rotary motor is provided with a mining drill rod positioning sleeve, a drill rod cavity of the mining drill rod positioning sleeve is used for being matched with and inserting a mining drill rod, a mining drill rod locking mechanism is arranged on the outer side wall of the mining drill rod positioning sleeve, the upper end of the mining drill rod locking mechanism is connected with a displacement control mechanism, the displacement control mechanism is connected and controlled by an external control piece, and the mining drill rod locking mechanism is used for controlling the mining drill rod to be locked and unlocked in the drill rod cavity.

2. The automatic rod withdrawing device of the mining pressure relief drilling machine according to claim 1, characterized in that: mining drilling rod blocked mechanical system cup joints including the activity locking translation cover on the lateral wall of mining drilling rod position sleeve be provided with a toper on the inner inside wall of locking translation cover and push away a position curved surface, the toper pushes away the rear end of a position curved surface and all to keeping away from the direction extension expansion in the central axis outside of locking translation cover the toper pushes away the locking translation cover intracavity of the front end of a position curved surface and is equipped with one and targets in place the ladder face locking translation cover is inboard the downthehole automatic release of installation of interior screw thread that link up on the top lateral wall of mining drilling rod position sleeve, automatic release is through following the radial flexible purpose that reaches the safe blocking device that the cartridge is protruding under the natural state on its inside drilling rod flattening of setting, the top of locking translation cover through rather than link firmly the hydro-cylinder spliced pole that sets up with the front end of shift control mechanism is connected.

3. The automatic rod withdrawing device of the pressure relief drilling machine for mining use according to claim 2, characterized in that: the locking translation sleeve realizes the control of the telescopic motion of the automatic release through axial displacement.

4. The automatic rod withdrawing device of the pressure relief drilling machine for mining use according to claim 3, characterized in that: the automatic release comprises a sleeve which is arranged in the through internal thread hole in a screwing mode, an ejector rod which is coaxial with the sleeve is arranged in an inner cavity of the sleeve, a pushing and releasing ring is arranged at the bottom of the ejector rod, the outer side wall of the pushing and releasing ring is fixedly connected to the inner side wall of the through internal thread hole, the top of the ejector rod penetrates out of the top of the sleeve and is coaxially fixed with the bottom of the conical block, the outer side wall curved surface of the conical block is matched and abutted with the conical pushing curved surface in a working state, the purpose of controlling the extension and retraction of the ejector rod is achieved by the fact that the conical pushing curved surface is close to or far away from the outer side wall curved surface of the conical block, a tensioning spring is sleeved on the outer side wall of the ejector rod, and the upper end and the lower end of the tensioning spring are abutted to the bottom of the conical block and the top of the pushing and releasing ring which correspond to each other.

5. The automatic rod withdrawing device of the pressure relief drilling machine for mining use according to claim 4, characterized in that: a drill rod cavity of the mining drill rod positioning sleeve adopts a multi-prism cavity, and the surface of a drill rod is in a multi-prism shape matched with the multi-prism cavity.

6. The automatic rod withdrawing device of the mining pressure relief drilling machine according to claim 5, wherein: the displacement control mechanism comprises a horizontally arranged push-pull oil cylinder, a cylinder body of the push-pull oil cylinder is fixedly bolted on the top of the outer end of the pressure relief drilling machine body through an oil cylinder fixing support at the bottom of the push-pull oil cylinder, an oil cylinder connecting column is fixedly connected to the end part of a piston rod of the push-pull oil cylinder in a bolted mode, and the push-pull oil cylinder is controlled by an external control piece in a connected mode.

7. The automatic rod retreating device of the mining pressure relief drilling machine according to claim 6, characterized in that: the push-pull oil cylinder adopts a double-acting oil cylinder with an oil inlet and an oil return port.

8. The automatic rod withdrawing device of the pressure relief drilling machine for mining use according to claim 7, characterized in that: the control piece comprises a hydraulic control operating handle, and the corresponding port of the hydraulic control operating handle is respectively connected and matched with the corresponding oil inlet and the corresponding oil return port on the push-pull oil cylinder through a hydraulic oil pipe; the hydraulic control operation handle is matched and connected with an external hydraulic system.

9. The automatic rod withdrawing device of the pressure relief drilling machine for mining use according to claim 8, characterized in that: the top of the sleeve penetrates out of the outer side wall of the mining drill rod positioning sleeve by 2-3mm and is used for realizing the blocking and limiting of the in-place stepped surface after in-place.

10. The automatic rod retreating device of the mining pressure relief drilling machine according to claim 9, characterized in that: the hydraulic oil pipe is made of a steel braided rubber pipe with the inner diameter of 10mm, and four layers of steel wires with the pressure-resistant grade of not less than 24KPA are braided, so that the telescopic action of the push-pull oil cylinder is controlled.

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