CN219885541U - Rope disorder preventing device - Google Patents
Rope disorder preventing device Download PDFInfo
- Publication number
- CN219885541U CN219885541U CN202322283286.6U CN202322283286U CN219885541U CN 219885541 U CN219885541 U CN 219885541U CN 202322283286 U CN202322283286 U CN 202322283286U CN 219885541 U CN219885541 U CN 219885541U
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- rod
- seat
- guide
- electric hoist
- rope
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- 230000007246 mechanism Effects 0.000 claims abstract description 28
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 19
- 239000010959 steel Substances 0.000 claims abstract description 19
- 238000001514 detection method Methods 0.000 claims abstract description 17
- 230000005540 biological transmission Effects 0.000 claims abstract description 5
- 230000002265 prevention Effects 0.000 claims description 5
- 238000005452 bending Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000004804 winding Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
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- Control And Safety Of Cranes (AREA)
Abstract
The rope disorder preventing device is arranged on one side of a reel of the electric hoist and comprises a reciprocating mechanism and a detecting mechanism, wherein the reciprocating mechanism comprises a reciprocating screw rod which is correspondingly in transmission connection with an electric hoist motor, a moving seat which is driven by the reciprocating screw rod to reciprocate along the axis of the reciprocating screw rod is arranged on a rod body of the reciprocating screw rod, a guide rod is inserted into one side of the moving seat corresponding to the reciprocating screw rod in a sliding manner, and the guide rod is correspondingly and fixedly connected with the electric hoist frame body; the movable seat body is provided with a detection mechanism, the detection mechanism comprises a deflector rod and a contact switch, the movable seat body is provided with a chute with an axis corresponding to and parallel to the axis of the guide rod, one end of the deflector rod is in sliding fit with the chute, and the other end of the deflector rod is provided with an opening capable of accommodating a steel wire rope of the electric hoist; contact switches are arranged on two sides of the movable seat body corresponding to the deflector rod; the utility model has simple structure, small occupied space and long service life, can avoid rope disorder of the electric hoist and improves the safety of hoisting operation.
Description
Technical Field
The utility model relates to the technical field of electric hoist, in particular to a rope disorder preventing device.
Background
The electric hoist is small-sized hoisting equipment, has the advantages of compact structure, small volume, light dead weight and simple operation, and is widely applied to various industries; at present, the biggest factor influencing the safety operation of the electric hoist is that an operator does not operate according to an operation rule, and pulls the inclined crane askew, so that a rope disorder phenomenon occurs on a reel of the electric hoist, and the normal operation of the electric hoist is influenced; there are various rope guiding mechanisms on the market at present, such as: the reciprocating screw rod of the mechanism is required to bear a large bending moment, and is often bent to be blocked, so that the service life is short, the reciprocating screw rod is required to be borne by an independent frame to ensure the structural strength, and a large space position can be occupied; meanwhile, the mechanism cannot timely prevent illegal operation of the inclined crane by operators, and safety production cannot be guaranteed;
chinese patent (bulletin number: CN 206156648U) discloses a cable guiding and arranging device of winch; the movement of the cable arranging seat and the movement of the winding position of the cable are always synchronous, the cable arranging seat is arranged on the screw rod, a guide wheel is arranged on the cable arranging seat, and the central line of the guide wheel is vertical to the axis of the winding drum on the winch; the universal spring rod limit switches are arranged on two sides of the central line of the cable outlet channel, so that the rope disorder phenomenon of the cable arrangement can be timely detected; however, when the winch is used for lifting, the screw rod is required to bear a large bending moment, the screw rod is easy to bend, the cable arrangement seat is blocked, the service life is short, the whole occupied space is large, and the device is not suitable for detecting the rope disorder of the electric hoist.
Disclosure of Invention
In order to overcome the defects in the background technology, the utility model discloses a rope disorder preventing device.
In order to achieve the aim of the utility model, the utility model adopts the following technical scheme:
the rope disorder preventing device is arranged on one side of a reel of the electric hoist and comprises a reciprocating mechanism and a detecting mechanism, wherein the reciprocating mechanism comprises a reciprocating screw rod which is correspondingly in transmission connection with an electric hoist motor, a moving seat which is driven by the reciprocating screw rod to reciprocate along the axis of the reciprocating screw rod is arranged on a rod body of the reciprocating screw rod, a guide rod is inserted into one side of the moving seat corresponding to the reciprocating screw rod in a sliding manner, and the guide rod is correspondingly and fixedly connected with the electric hoist frame body; the movable seat body is provided with a detection mechanism, the detection mechanism comprises a deflector rod and a contact switch, the movable seat body is provided with a chute with an axis corresponding to and parallel to the axis of the guide rod, one end of the deflector rod is in sliding fit with the chute, and the other end of the deflector rod is provided with an opening capable of accommodating a steel wire rope of the electric hoist; contact switches are arranged on two sides of the movable seat body corresponding to the deflector rod.
Preferably, the contact switch and the deflector rod are arranged in a staggered mode, and a deflector rod body is provided with a stop rod capable of triggering the contact switch.
Preferably, a guide seat is arranged on one side of the deflector rod, which is away from the stop rod, a guide column is arranged on the seat body of the guide seat in a sliding fit mode, the axis of the guide column is correspondingly parallel to that of the guide rod, and two ends of the guide column are correspondingly and fixedly connected with the movable seat.
Preferably, the guide posts are sleeved with reset springs corresponding to the rod bodies on two sides of the guide seat.
Preferably, limit posts are arranged at two ends of the sliding groove of the movable seat body.
Preferably, an oil storage tank is arranged in the sliding chute of the movable seat body.
Due to the adoption of the technical scheme, the utility model has the following beneficial effects:
the rope disorder preventing device disclosed by the utility model has the advantages of simple structure, small occupied space and long service life, and can avoid the rope disorder phenomenon of the electric hoist and improve the safety of hoisting operation; the detection mechanism can synchronously move along the axial direction of the reel along with the steel wire rope through the reciprocating mechanism, when the oblique hanging is pulled to influence the reel to normally wind the steel wire rope, the deflector rod slides along the chute of the movable seat to trigger the corresponding contact switch, the contact switch feeds back a signal to trigger the alarm or control the electric hoist to cut off the power, so that the phenomenon of rope disorder is avoided; if the steel wire rope on the reel of the electric hoist is accidentally disordered in the normal hoisting process, the movable seat and the steel wire rope are dislocated, the steel wire rope acts on the deflector rod, so that the deflector rod slides along the chute of the movable seat to trigger the corresponding contact switch, the contact switch feeds back a signal, triggers an alarm or controls the electric hoist to be powered off, reminds an operator of timely treatment, and effectively improves the safety performance of the electric hoist; in the detection process, the reciprocating screw rod does not need to bear a large bending moment, so that the service life is ensured.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a top view of the present utility model;
fig. 3 is a schematic view of the mounting structure of the present utility model.
In the figure: 1. an electric hoist; 2. a reciprocating mechanism; 2-1, a reciprocating screw rod; 2-2, a movable seat; 2-3, a guide rod; 3. a detection mechanism; 3-1, a deflector rod; 3-2, a contact switch; 3-3, stop lever; 3-4, a guide seat; 3-5, a guide post; 3-6, a return spring; 3-7, limit posts.
Detailed Description
The present utility model will be explained in detail by the following examples, and the purpose of the present utility model is to protect all technical improvements within the scope of the present utility model, and in the description of the present utility model, it should be understood that if there is an orientation or positional relationship indicated by terms such as "upper", "lower", "front", "rear", "left", "right", etc., only correspond to the drawings of the present utility model, and in order to facilitate description of the present utility model, it is not necessary to indicate or imply that the apparatus or element referred to has a specific orientation.
The embodiment 1, with reference to figures 1-3, a rope disorder prevention device is arranged on one side of a reel of an electric hoist 1, and comprises a reciprocating mechanism 2 and a detection mechanism 3, wherein the reciprocating mechanism 2 comprises a reciprocating screw rod 2-1 which is correspondingly in transmission connection with a motor of the electric hoist 1, a rod body of the reciprocating screw rod 2-1 is provided with a moving seat 2-2 which is driven by the reciprocating screw rod 2-1 to reciprocate along the axis of the reciprocating screw rod 2-1, one side of the moving seat 2-2, corresponding to the reciprocating screw rod 2-1, is in sliding connection with a guide rod 2-3, the guide rod 2-3 is correspondingly and fixedly connected with a frame body of the electric hoist 1, and the transmission ratio between the motor of the electric hoist 1 and the reciprocating screw rod 2-1 is controlled, so that the moving speed of the moving seat 2-1 is consistent with the moving speed of a steel wire rope of the electric hoist 1 along the axial direction of the reel when the steel wire rope is wound along the reel, and the detection mechanism 3 can synchronously follow the steel wire rope along the axial direction of the reel;
the movable seat 2-2 seat body is provided with a detection mechanism 3, the detection mechanism 3 comprises a deflector rod 3-1 and a contact switch 3-2, the movable seat 2-2 seat body is provided with a chute of which the axis is correspondingly parallel to the axis of the guide rod 2-3, one end of the deflector rod 3-1 is in sliding fit with the chute, and the other end of the deflector rod 3-1 is provided with an opening capable of accommodating a steel wire rope of the electric hoist 1; the two sides of the shifting rod 3-1 corresponding to the base body of the movable base 2-2 are respectively provided with a contact switch 3-2, when the shifting rod is used, the steel wire rope of the electric hoist 1 is positioned in the opening of the shifting rod 3-1, when the reel of the electric hoist 1 normally winds the steel wire rope, the movable base 2-2 drives the shifting rod 3-1 to reciprocate along the axis of the reel, when oblique lifting occurs to influence the normal winding of the steel wire rope by the reel, the shifting rod 3-1 slides along the sliding chute of the movable base 2-2 to trigger the corresponding contact switch 3-2, the contact switch 3-2 feeds back a signal to trigger an alarm, or the electric hoist 1 is controlled to be powered off, so that the phenomenon of rope disorder is avoided; if the steel wire rope on the reel of the electric hoist 1 is accidentally disordered in the normal hoisting process, the movable seat 2-2 and the steel wire rope are misplaced, the steel wire rope acts on the deflector rod 3-1, so that the deflector rod 3-1 slides along the chute of the movable seat 2-2 to trigger the corresponding contact switch 3-2, the contact switch 3-2 feeds back a signal to trigger an alarm or control the electric hoist 1 to be powered off, and an operator is reminded of timely treatment, thereby effectively improving the safety performance of the electric hoist 1; in addition, the reciprocating screw rod 2-1 does not need to bear a large bending moment in the detection process, so that the service life is ensured.
An embodiment 2, with reference to fig. 1-3, is a rope disorder preventing device, which is different from embodiment 1 in that, based on embodiment 1, the contact switch 3-2 and the deflector rod 3-1 are arranged in a dislocation manner, and a rod body of the deflector rod 3-1 is provided with a stop lever 3-3 capable of triggering the contact switch 3-2, so that the contact switch 3-2 is convenient to install; one side of the deflector rod 3-1, which is away from the stop rod 3-3, is provided with a guide seat 3-4, a guide post 3-5 with an axis corresponding to and parallel to the axis of the guide rod 2-3 is arranged on the seat body of the guide seat 3-4 in a sliding fit manner, two ends of the guide post 3-5 are correspondingly and fixedly connected with the movable seat 2-2, so that the smoothness of the deflector rod 3-1 sliding along a chute of the movable seat 2-2 can be ensured, and the deflector rod 3-1 is prevented from being blocked;
in addition, the guide posts 3-5 are sleeved with reset springs 3-6 corresponding to the rod bodies on two sides of the guide seat 3-4, namely, when the steel wire rope is normally wound, the deflector rod 3-1 can automatically keep centering under the action of the reset springs 3-6, so that the contact switch 3-2 is prevented from being triggered accidentally, and the reliability of rope disorder detection is improved; when an operator stops the operation of pulling the inclined crane, the deflector rod 3-1 can automatically reset under the action of the reset spring 3-6, and the contact switch 3-2 is automatically disconnected.
In embodiment 3, referring to fig. 1 to 3, in an anti-rope-disorder device, on the basis of embodiment 1 or 2, both ends of a sliding groove of a seat body of the movable seat 2-2 are provided with limiting posts 3-7, that is, the movement range of the deflector rod 3-1 can be limited through the limiting posts 3-7, so that the deflector rod 3-1 is prevented from excessively extruding the contact switch 3-2, and the contact switch 3-2 is prevented from being damaged; the oil storage groove is arranged in the sliding groove of the moving seat 2-2 seat body, so that the smoothness of the sliding of the deflector rod 3-1 along the sliding groove of the moving seat 2-2 seat body can be further improved, and the reliability of rope disorder detection is improved.
The utility model has not been described in detail in the prior art, and it is apparent to those skilled in the art that the utility model is not limited to the details of the above-described exemplary embodiments, but that the utility model can be embodied in other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, and all changes coming within the meaning and range of equivalency are intended to be embraced therein.
Claims (6)
1. The rope disorder preventing device is arranged on one side of a reel of an electric hoist (1), and is characterized in that: the device comprises a reciprocating mechanism (2) and a detection mechanism (3), wherein the reciprocating mechanism (2) comprises a reciprocating screw (2-1) which is correspondingly connected with a motor of an electric hoist (1) in a transmission way, a rod body of the reciprocating screw (2-1) is provided with a moving seat (2-2) which is driven by the reciprocating screw (2-1) to reciprocate along the axis of the reciprocating screw (2-1), one side of the moving seat (2-2) corresponding to the reciprocating screw (2-1) is in sliding connection with a guide rod (2-3), and the guide rod (2-3) is correspondingly and fixedly connected with a frame body of the electric hoist (1); the movable seat (2-2) seat body is provided with a detection mechanism (3), the detection mechanism (3) comprises a deflector rod (3-1) and a contact switch (3-2), the movable seat (2-2) seat body is provided with a chute with an axis corresponding to and parallel to the axis of the guide rod (2-3), one end of the deflector rod (3-1) is in sliding fit with the chute, and the other end of the deflector rod (3-1) is provided with an opening capable of accommodating a steel wire rope of the electric hoist (1); the two sides of the movable seat (2-2) corresponding to the deflector rod (3-1) are provided with contact switches (3-2).
2. The rope-break prevention means of claim 1, wherein: the contact switch (3-2) and the deflector rod (3-1) are arranged in a staggered mode, and a rod body of the deflector rod (3-1) is provided with a stop rod (3-3) capable of triggering the contact switch (3-2).
3. The rope-break preventing device according to claim 2, wherein: one side of the deflector rod (3-1) deviating from the stop rod (3-3) is provided with a guide seat (3-4), the seat body of the guide seat (3-4) is in sliding fit with a guide column (3-5) with an axis corresponding to the axis of the guide rod (2-3) in parallel, and two ends of the guide column (3-5) are correspondingly and fixedly connected with the movable seat (2-2).
4. A rope-break prevention means as recited in claim 3, wherein: the guide posts (3-5) are sleeved with reset springs (3-6) corresponding to the rod bodies on two sides of the guide seats (3-4).
5. The rope-break prevention means of claim 1, wherein: limiting columns (3-7) are arranged at two ends of the sliding groove of the seat body of the movable seat (2-2).
6. The rope-break prevention means of claim 1, wherein: an oil storage tank is arranged in the sliding groove of the seat body of the movable seat (2-2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322283286.6U CN219885541U (en) | 2023-08-24 | 2023-08-24 | Rope disorder preventing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322283286.6U CN219885541U (en) | 2023-08-24 | 2023-08-24 | Rope disorder preventing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219885541U true CN219885541U (en) | 2023-10-24 |
Family
ID=88394995
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322283286.6U Active CN219885541U (en) | 2023-08-24 | 2023-08-24 | Rope disorder preventing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219885541U (en) |
-
2023
- 2023-08-24 CN CN202322283286.6U patent/CN219885541U/en active Active
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