CN220316965U - Remote control's electric shovel tail cable receive and releases car - Google Patents
Remote control's electric shovel tail cable receive and releases car Download PDFInfo
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- CN220316965U CN220316965U CN202322026791.2U CN202322026791U CN220316965U CN 220316965 U CN220316965 U CN 220316965U CN 202322026791 U CN202322026791 U CN 202322026791U CN 220316965 U CN220316965 U CN 220316965U
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- 238000005065 mining Methods 0.000 abstract description 2
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- 239000003245 coal Substances 0.000 description 1
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Abstract
A remote control electric shovel tail cable winding and unwinding vehicle belongs to the technical field of surface mining machinery. The machine shed is arranged on the platform assembly, and is characterized in that a large roller device is arranged on one side of the platform assembly, a small roller device is arranged on the other side of the platform assembly, the large roller device comprises a large roller base, a large roller driving mechanism, a cable arranging device, a cable arranging upper clamping plate, a cable arranging driving mechanism and a first chain transmission mechanism, the large roller base is connected to the platform assembly, and the large roller is arranged on the large roller base in a sitting mode. According to the utility model, the loosening extension and the rewinding shortening of the cable can be performed in real time according to the operation condition of the electric shovel, so that the cable is ensured not to drag and move on the ground any more, and the production and man-machine safety are ensured.
Description
Technical Field
The utility model belongs to the technical field of surface mining machinery, and particularly relates to a remotely controlled electric shovel tail cable winding and unwinding vehicle.
Background
The total amount of coal resources in China is rich, and the operation of an electric shovel cannot be started in the surface mine exploitation process. In the field operation engineering, the electric shovel needs to continuously advance and backward travel, at the moment, the power supply cable of the electric shovel needs to continuously rub with the ground, and safety accidents are easily caused by the friction of the cable.
Disclosure of Invention
Aiming at the problems, the utility model makes up the defects of the prior art and provides a remote control electric shovel tail cable winding and unwinding vehicle; according to the utility model, the loosening extension and the rewinding shortening of the cable can be performed in real time according to the operation condition of the electric shovel, so that the cable is ensured not to drag and move on the ground any more, and the production and man-machine safety are ensured.
In order to achieve the above purpose, the present utility model adopts the following technical scheme.
The utility model provides a remotely controlled electric shovel tail cable winding and unwinding vehicle which comprises a platform assembly, a walking assembly, a control assembly and a machine shed, wherein the walking assembly is connected to the bottom of the platform assembly, the machine shed is arranged on the platform assembly, and the control assembly is arranged in the machine shed;
the small roller device comprises a small roller base, a second chain transmission mechanism, a small roller driving mechanism, a screw rod, a wire arranging device and a wire arranging upper clamping plate, wherein the small roller base is connected to the platform assembly, the small roller is arranged on the small roller base in a sitting mode, the small roller driving mechanism is arranged on the small roller base and connected with the small roller to drive the small roller to rotate, the second chain transmission mechanism is simultaneously connected with the small roller driving mechanism and the screw rod, the wire arranging device is connected with the wire arranging upper clamping plate, and the wire arranging upper clamping plate is connected with the screw rod in a matched mode, so that the wire arranging upper clamping plate and the wire arranging device integrally can move linearly along the screw rod; the control assembly is electrically connected with the walking assembly, the large roller device and the small roller device.
Further, a long shaft is arranged on one sprocket wheel of the first chain transmission mechanism, a clamping hole is vertically formed in the cable arranging upper clamping plate, and the cable arranging upper clamping plate is clamped on the long shaft through the clamping hole and can move up and down along the long shaft.
Still further, arrange the cable punch holder with arrange and all be provided with on the cable ware and arrange the cable pulley, arrange the cable pulley with the big cylinder base on set up with the parallel square pipe roll cooperation of first chain drive mechanism makes arrange the cable pulley card in on the square pipe and can follow square pipe removes.
Further, the winding displacement punch holder with all be provided with the winding displacement pulley on the winding displacement ware, the winding displacement pulley with the square pipe roll cooperation that sets up on the small drum base with the lead screw is parallel, makes the winding displacement pulley card is in on the square pipe and can follow the square pipe removes.
Further, two encoders for detecting the tension of the cable and the linear distance between the cable and the electric shovel are arranged on the small roller device, and the encoders are electrically connected with the control assembly.
Further, the large roller driving mechanism comprises a large roller main reduction box and a large roller motor which are connected in a matched manner, and an output shaft of the large roller main reduction box is connected with a rotating shaft of the large roller; the cable arranging driving mechanism comprises a cable arranging gear box and a cable arranging motor which are mutually matched and connected, an output shaft of the cable arranging gear box is matched and connected with the first chain transmission mechanism through gears, and the control assembly is electrically connected with the large roller driving mechanism and the cable arranging driving mechanism.
Further, the small roller driving mechanism comprises a small roller motor, a coupler, a hysteresis coupler and a small roller main reducing gear box which are mutually matched and connected, an output shaft of the small roller main reducing gear box is connected with a rotating shaft of the small roller, an output shaft of the small roller main reducing gear box is also matched and connected with the second chain transmission mechanism through a gear, and the control assembly is electrically connected with the small roller driving mechanism.
Further, the walking assembly comprises a variable frequency motor, a walking speed reducer, a driving wheel, a track frame, a supporting wheel, a guide wheel, a track chain, a supporting chain wheel and a tensioning device, wherein the track frame is fixed at the bottom of the platform assembly, the variable frequency motor is arranged at one side of the track frame, an output shaft of the variable frequency motor is connected with an input end of the walking speed reducer, an output end of the walking speed reducer is connected with the driving wheel, the guide wheel is positioned at the other side of the track frame, one end of the tensioning device is connected to the track frame, the other end of the tensioning device is connected with the guide wheel, the track chain bypasses the driving wheel and the guide wheel simultaneously, the supporting wheel is multiple and is connected to the bottom of the track frame and in rolling contact with the track chain, and the supporting chain wheel is multiple and is arranged at the top of the track frame and in rolling contact with the track chain.
Further, a chain guard is arranged at the bottom of the crawler frame, and the chain guard is blocked outside the crawler.
Further, a fence is disposed around the platform assembly.
The utility model has the beneficial effects of.
The utility model can move along with the electric shovel, and can pay out and roll up the tail cable of the electric shovel in real time, so that the cable can be ensured not to drag and move on the ground any more, the safety of a man-machine is ensured, and the production efficiency is improved.
Drawings
In order to make the technical problems, technical schemes and beneficial effects solved by the utility model more clear, the utility model is further described in detail below with reference to the accompanying drawings and the detailed description. It should be understood that the detailed description is presented by way of example only and is not intended to limit the utility model.
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a schematic structural view of the large drum device of the present utility model.
Fig. 3 is a schematic view of the structure of the small drum device of the present utility model.
Fig. 4 is a schematic structural view of the traveling assembly of the present utility model.
The marks in the figure: the device comprises a platform assembly 1, a walking assembly 2, a control assembly 3, a machine shed 4, a large roller device 5, a small roller device 6, a large roller base 7, a large roller 8, a small roller motor 9, a cable arranging upper clamp plate 10, a first chain transmission mechanism 11, a supporting gear 12, a small roller base 13, a second chain transmission mechanism 14, a small roller 15, a lead screw 16, a wire arranging device 17, a wire arranging upper clamp plate 18, a long shaft 19, a clamping hole 20, a cable arranging pulley 21, a wire arranging pulley 22, a coder 23, a large roller main reduction box 24, a large roller motor 25, a cable arranging gearbox 26, a cable arranging motor 27, a small roller motor 28, a coupler 29, a hysteresis coupler 30, a small roller main reduction box 31, a variable frequency motor 32, a walking speed reducer 33, a driving wheel 34, a track frame 35, a supporting wheel 36, a guide wheel 37, a chain 38, a chain supporting wheel 39, a chain wheel 40, a tensioning device 41 and a chain protector 42.
Detailed Description
As shown in the attached drawings, the embodiment provides a remote control electric shovel tail cable winding and unwinding vehicle, which comprises a platform assembly 1, a walking assembly 2, a control assembly 3 and a machine shed 4, wherein the walking assembly 2 is connected to the bottom of the platform assembly 1, the machine shed 4 is arranged on the platform assembly 1, and the control assembly 3 is arranged in the machine shed 4. The control assembly 3 is used for integrally controlling the action of the whole vehicle, the control assembly 3 sets internal electric elements according to the action of the whole vehicle, and the electric elements can be electrically designed according to conventional experience, for example, the electric slip ring, the high-voltage junction box, the high-voltage switch cabinet, the transformer cabinet, the low-voltage control cabinet, the remote controller, the explosion-proof electric bell, the explosion-proof emergency stop button, the explosion-proof combined audible and visual alarm, the explosion-proof rotary audible and visual alarm, the air conditioner, each motor, each sensor and the like, and the specific setting mode of the electric elements can be finished according to the experience and the relevant disclosure data of the electric design by electric designers, so that the detailed description is omitted.
One side of the platform assembly 1 is provided with a large roller device 5, and the large roller device 5 is positioned at the rear side of the whole vehicle in the traveling direction. The large roller device 5 comprises a large roller base 7, a large roller 8, a large roller driving mechanism, a cable arranging device 9, a cable arranging upper clamping plate 10, a cable arranging driving mechanism and a first chain transmission mechanism 11.
The big cylinder base 7 is connected on the platform assembly 1, big cylinder 8 sits and establishes on big cylinder base 7, big cylinder actuating mechanism sets up on big cylinder base 7 and is connected with big cylinder 8 in order to drive big cylinder 8 rotation, big cylinder actuating mechanism includes big cylinder main reduction box 24 and big cylinder motor 25 that mutually support and connect, the output shaft of big cylinder main reduction box 24 is connected with the pivot of big cylinder 8, big cylinder motor 25 rotates and drives the gear motion in the big cylinder main reduction box 24, thereby drive big cylinder 8 and carry out rotary motion, fix the cable on big cylinder 8 (the mode that the connection mode can be referred to in China patent CN 215402372U) the rotary motion of big cylinder 8 can drive the cable winding on big cylinder 8.
The cable arranging device 9 is connected with the cable arranging upper clamping plate 10, the cable arranging driving mechanism is fixed on the large roller base 7 and meshed with the first chain transmission mechanism 11, the cable arranging driving mechanism comprises a cable arranging gearbox 26 and a cable arranging motor 27 which are mutually matched and connected, an output shaft of the cable arranging gearbox 26 is matched and connected with the first chain transmission mechanism 11 through gears, so that the cable arranging driving mechanism can drive the first chain transmission mechanism 11 to rotate,
the first chain transmission mechanism 11 is simultaneously meshed with a support gear 12 arranged on the large roller base 7, and the support gear 12 mainly plays a role in supporting the first chain transmission mechanism 11.
The cable arranging upper clamping plate 10 is connected with the first chain transmission mechanism 11 in a matched mode, a long shaft 19 is arranged on one sprocket wheel of the first chain transmission mechanism 11, a clamping hole 20 is vertically formed in the cable arranging upper clamping plate 10, and the cable arranging upper clamping plate 10 is clamped on the long shaft 19 through the clamping hole 20 and can move up and down along the long shaft 19. The cable arranging upper clamping plates 10 and the cable arranging device 9 are respectively provided with a cable arranging pulley 21, and the cable arranging pulleys 21 are in rolling fit with square tubes parallel to the first chain transmission mechanism 11 and arranged on the large roller base 7, so that the cable arranging pulleys 21 are clamped on the square tubes and can move along the square tubes.
The cable arranging device 9 and the cable arranging upper clamping plate 10 integrally follow the first chain transmission mechanism 11 to linearly move along the square tube, when a chain wheel where the long shaft 19 is located moves to the lower side, the long shaft 19 slides to the lower side of the clamping hole 20, and then the cable arranging device 9 and the cable arranging upper clamping plate 10 integrally move back along the square tube to linearly move, so that the linear reciprocating movement of the cable arranging device 9 is realized.
The control assembly 3 is electrically connected with the large roller driving mechanism and the cable arranging driving mechanism and controls the action of the large roller device 5. The cable arranging motor 27 rotates to drive the cable arranging device 9 to do linear reciprocating motion, and according to the rotating speed of the large roller 8, the cable arranging motor 27 can adjust the working frequency, so that the matching of the running speed of the cable arranging device 9 and the speed of the large roller 8 is realized, and the layering reel of the cable is ensured to be on the large roller 8.
The other side of the platform assembly 1 is provided with a small roller device 6, and the small roller device 6 is positioned at the front side of the whole vehicle in the traveling direction. The small roller device 6 comprises a small roller base 13, a second chain transmission mechanism 14, a small roller 15, a small roller driving mechanism, a screw 16, a wire arranging device 17 and a wire arranging upper clamping plate 18.
The small roller base 13 is connected to the platform assembly 1, the small roller 15 is arranged on the small roller base 13, the small roller driving mechanism is arranged on the small roller base 13 and comprises a small roller motor 28, a coupler 29, a hysteresis coupler 30 and a small roller main reducing gear box 31 which are connected in a matched mode, and an output shaft of the small roller main reducing gear box 31 is connected with a rotating shaft of the small roller 15 to drive the small roller 15 to rotate.
When the electric shovel works, the cable is dragged to be released when the distance from the electric shovel is relatively large, and at the moment, the hysteresis coupler 30 can provide rated tension for the cable to ensure the releasing length of the cable, so that the normal working requirement of the electric shovel is ensured, and when the distance from the electric shovel to the electric shovel is shortened, the electric shovel starts the small roller motor 28.
The output shaft of the small roller main reduction box 31 is also connected with the second chain transmission mechanism 14 in a matched mode through gears, the second chain transmission mechanism 14 is connected with the screw rod 16 at the same time, and power is transmitted to the screw rod 16, so that the screw rod 16 rotates.
The winding displacement ware 17 is connected with winding displacement punch holder 18, and winding displacement punch holder 18 and lead screw 16 cooperation are connected, make winding displacement punch holder 18 and winding displacement ware 17 whole can be along lead screw 16 rectilinear motion, all be provided with winding displacement pulley 22 on winding displacement punch holder 18 and the winding displacement ware 17, winding displacement pulley 22 and the square pipe roll cooperation that sets up on the small drum base 13 and is parallel with lead screw 16, make winding displacement pulley 22 card on square pipe and can follow square pipe and remove to arrange reasonable to the cable.
The small drum device 6 is also provided with two encoders 23 for detecting the cable tension and the linear distance from the front electric shovel, respectively. One encoder 23 detects the initial position, the payout length and the remaining length of the front cable, and the other encoder 23 detects the linear distance between the cable car and the electric shovel, so that the movement of the electric shovel is automatically followed according to the movement position of the electric shovel.
The control assembly 3 is electrically connected with the small roller driving mechanism and the encoder 23, and controls the action of the large roller device 5.
The walking assembly 2 comprises a variable frequency motor 32, a walking speed reducer 33, a driving wheel 34, a track frame 35, a thrust wheel 36, a guide wheel 37, a track chain 38, a support chain wheel 39 and a tensioning device 40. The control assembly 3 is electrically connected with the walking assembly 2 and controls the action of the walking assembly 2.
The track frame 35 is fixed in platform assembly 1 bottom, and inverter motor 32 sets up in one side of track frame 35, and the output of inverter motor 32 is connected with the input of walking speed reducer 33, and the output of walking speed reducer 33 is connected with drive wheel 34, and when inverter motor 32 rotated, realize the walking of remote control whole car through walking speed reducer 33 and drive wheel 34 and track chain 38, can realize the stepless adjustment of walking speed through the frequency change of inverter motor 32.
The guide wheel 37 is located the opposite side of track frame 35, and overspeed device tensioner 40 one end is connected on track frame 35, and the other end is connected with guide wheel 37, and track chain 38 walks around drive wheel 34 and guide wheel 37 simultaneously, and overspeed device tensioner 40 is the conventional structure in the art, and its effect first can tensioning track chain 38, adjusts the elasticity degree of track chain 38, and second can play the cushioning effect when guide wheel 37 collides.
The plurality of thrust wheels 36 are all connected to the bottom of the track frame 35 and are in rolling contact with the track chains 38, and the thrust wheels 36 play a role in transmitting the gravity of the whole vehicle to the track chains 38 so that the whole vehicle rolls along the track of the track chains 38.
The plurality of carrier sprockets 39 are provided on the top of the track frame 35 and are in rolling contact with the track chains 38, and the carrier sprockets 39 are used to drag the upper track chains 38 between the guide wheels 37 and the drive wheels 34 to prevent excessive sagging thereof.
The bottom of the track frame 35 is provided with a chain guard 41, and the chain guard 41 is blocked outside the track to prevent the track chain 38 from falling out of the thrust wheel 36 during walking.
The rail 42 is arranged around the platform assembly 1, and the rail 42 is formed by welding seamless steel pipes and is used for protecting the safety of operators on the platform.
The vehicle is matched with the remote controller, so that the actions of walking, cable winding and unwinding, lighting lamp, air conditioner switch and the like of the vehicle can be remotely controlled, and the remote controller is interlocked with the wire control operation. The remote control receiver regulates and controls the executing device through Modbus. The remote controller can remotely control the electric shovel in the remote control room through a network, and all actions can be completed by the wired control and the remote controller.
The use mode is as follows:
the cable of distribution station, insert big roller device 5, twine on big cylinder 8, the longest winding distance can reach 500 meters, and behind the cable of distribution station inserted big cylinder 8, through the distribution box, can partly insert the host computer, supply the host computer to use, and another part inserts little roller device 6, is connected through another cable between host computer and the electric shovel in place ahead, and two cables all insert little roller device 6 to realize supplying power for the electric shovel, little cylinder 15 can twine 100 meters cable at most. When the electric shovel moves forward, the small roller 15 carries out automatic cable-laying operation, the electric shovel does not need to be started at this moment, when the electric field moves too far, the electric shovel is started automatically when the set distance between the electric shovel and the electric shovel is reached, the electric shovel moves, the large roller 8 is used for paying out the cable after the electric shovel moves forward, when the electric shovel moves backward, the electric shovel is used for winding and paying out the cable, the small roller 15 is used for retracting the cable, the rolling of the cable when the electric shovel moves backward is avoided, the safe production is ensured, the electric shovel can also be moved backward along with the large roller 8 of the electric shovel, the cable at the rear side is retracted, and the cable is prevented from being crushed when the electric shovel moves.
It will be appreciated that the above detailed description of the utility model is provided for illustration of the utility model and not for limitation of the technical solutions described in the embodiments of the utility model, and that the person skilled in the art should understand that the utility model may be modified or substituted for the same technical effects; as long as the use requirement is met, the utility model is within the protection scope of the utility model.
Claims (10)
1. The utility model provides a remote control's electric shovel tail cable receive and releases car, includes platform assembly (1), walking assembly (2), control assembly (3), quick-witted canopy (4), walking assembly (2) are connected platform assembly (1) bottom, quick-witted canopy (4) set up on platform assembly (1), control assembly (3) set up in quick-witted canopy (4), a serial communication port, one side is provided with big cylinder device (5) on platform assembly (1), the opposite side is provided with little cylinder device (6) on platform assembly (1), big cylinder device (5) include big cylinder base (7), big cylinder (8), big cylinder actuating mechanism, cable arrangement ware (9), cable arrangement upper clamp plate (10), cable arrangement actuating mechanism, first chain drive mechanism (11), big cylinder base (7) are connected on platform assembly (1), big cylinder (8) sit and are established on big cylinder base (7), big cylinder actuating mechanism sets up on big cylinder base (7) and with big cylinder (8) are connected with cable arrangement ware (8) in order to connect cable arrangement ware (10) with cable arrangement ware (11), the cable arranging driving mechanism can drive the first chain transmission mechanism (11) to rotate, the first chain transmission mechanism (11) is meshed with a supporting gear (12) arranged on the large roller base (7) at the same time, and the cable arranging upper clamping plate (10) is connected with the first chain transmission mechanism (11) in a matched mode;
the small roller device (6) comprises a small roller base (13), a second chain transmission mechanism (14), a small roller (15), a small roller driving mechanism, a screw (16), a wire arranging device (17) and a wire arranging upper clamping plate (18), wherein the small roller base (13) is connected to the platform assembly (1), the small roller (15) is arranged on the small roller base (13), the small roller driving mechanism is arranged on the small roller base (13) and connected with the small roller (15) to drive the small roller (15) to rotate, the second chain transmission mechanism (14) is simultaneously connected with the small roller driving mechanism and the screw (16), the wire arranging device (17) is connected with the wire arranging upper clamping plate (18), and the wire arranging upper clamping plate (18) is connected with the screw (16) in a matched mode, so that the wire arranging upper clamping plate (18) and the wire arranging device (17) can move linearly along the screw (16); the control assembly (3) is electrically connected with the walking assembly (2), the large roller device (5) and the small roller device (6).
2. The remotely controlled electric shovel tail cable winding and unwinding vehicle according to claim 1, wherein a long shaft (19) is arranged on one sprocket wheel of the first chain transmission mechanism (11), a clamping hole (20) is vertically arranged on the cable arranging upper clamping plate (10), and the cable arranging upper clamping plate (10) is clamped on the long shaft (19) through the clamping hole (20) and can move up and down along the long shaft (19).
3. The remotely controlled electric shovel tail cable winding and unwinding vehicle according to claim 2, wherein the cable arranging upper clamping plates (10) and the cable arranging device (9) are respectively provided with a cable arranging pulley (21), and the cable arranging pulleys (21) are in rolling fit with square tubes parallel to the first chain transmission mechanism (11) and arranged on the large roller base (7), so that the cable arranging pulleys (21) are clamped on the square tubes and can move along the square tubes.
4. The remotely controlled electric shovel tail cable winding and unwinding vehicle according to claim 1, wherein the winding displacement upper clamping plate (18) and the winding displacement device (17) are respectively provided with a winding displacement pulley (22), and the winding displacement pulleys (22) are in rolling fit with square tubes parallel to the lead screw (16) and arranged on the small roller base (13), so that the winding displacement pulleys (22) are clamped on the square tubes and can move along the square tubes.
5. The remotely controlled electric shovel tail cable winding and unwinding vehicle according to claim 1, wherein two encoders (23) for detecting the cable tension and the linear distance from the electric shovel are further arranged on the small roller device (6), and the encoders (23) are electrically connected with the control assembly (3).
6. The remotely controlled electric shovel tail cable winding and unwinding vehicle according to claim 1, characterized in that the large drum driving mechanism comprises a large drum main reduction box (24) and a large drum motor (25) which are connected in a matched manner, and an output shaft of the large drum main reduction box (24) is connected with a rotating shaft of the large drum (8); the cable arranging driving mechanism comprises a cable arranging gear box (26) and a cable arranging motor (27) which are mutually matched and connected, an output shaft of the cable arranging gear box (26) is matched and connected with the first chain transmission mechanism (11) through gears, and the control assembly (3) is electrically connected with the large roller driving mechanism and the cable arranging driving mechanism.
7. The remotely controlled electric shovel tail cable winding and unwinding vehicle according to claim 1, wherein the small roller driving mechanism comprises a small roller motor (28), a coupler (29), a hysteresis coupler (30) and a small roller main speed reduction box (31) which are connected in a matched manner, an output shaft of the small roller main speed reduction box (31) is connected with a rotating shaft of the small roller (15), an output shaft of the small roller main speed reduction box (31) is also connected with the second chain transmission mechanism (14) in a matched manner through a gear, and the control assembly (3) is electrically connected with the small roller driving mechanism.
8. The remotely operated electric shovel tail cable folding and unfolding vehicle according to claim 1 is characterized in that the walking assembly (2) comprises a variable frequency motor (32), a walking speed reducer (33), a driving wheel (34) and a crawler frame (35), a supporting wheel (36), a guide wheel (37), a crawler chain (38), a supporting chain wheel (39) and a tensioning device (40), the crawler frame (35) is fixed at the bottom of the platform assembly (1), the variable frequency motor (32) is arranged at one side of the crawler frame (35), an output shaft of the variable frequency motor (32) is connected with an input end of the walking speed reducer (33), an output end of the walking speed reducer (33) is connected with the driving wheel (34), the guide wheel (37) is positioned at the other side of the crawler frame (35), one end of the tensioning device (40) is connected with the crawler frame (35), the other end of the tensioning device is connected with the guide wheel (37), the crawler chain (38) simultaneously bypasses the driving wheel (34) and the guide wheel (37), the plurality of crawler frames (36) are in contact with the crawler frame (35) at the bottom of the crawler frame (39), are all arranged on the top of the crawler frame (35) and are in rolling contact with the crawler chain (38).
9. The remotely operated electric shovel tail cable reel as recited in claim 8, wherein a chain guard (41) is provided at a bottom of the track frame (35), the chain guard (41) being blocked outside the track.
10. A remotely operated electric shovel tail cable take-up and pay-off vehicle according to claim 1, characterised in that a fence (42) is provided around the platform assembly (1).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202322026791.2U CN220316965U (en) | 2023-07-31 | 2023-07-31 | Remote control's electric shovel tail cable receive and releases car |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202322026791.2U CN220316965U (en) | 2023-07-31 | 2023-07-31 | Remote control's electric shovel tail cable receive and releases car |
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Publication Number | Publication Date |
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CN220316965U true CN220316965U (en) | 2024-01-09 |
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Family Applications (1)
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CN202322026791.2U Active CN220316965U (en) | 2023-07-31 | 2023-07-31 | Remote control's electric shovel tail cable receive and releases car |
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CN (1) | CN220316965U (en) |
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2023
- 2023-07-31 CN CN202322026791.2U patent/CN220316965U/en active Active
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