CN220845252U - Variable-frequency electric hoist lifting hook limiting device - Google Patents
Variable-frequency electric hoist lifting hook limiting device Download PDFInfo
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- CN220845252U CN220845252U CN202322717090.3U CN202322717090U CN220845252U CN 220845252 U CN220845252 U CN 220845252U CN 202322717090 U CN202322717090 U CN 202322717090U CN 220845252 U CN220845252 U CN 220845252U
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- electric hoist
- limiting
- lifting hook
- variable frequency
- limiting device
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- 230000005540 biological transmission Effects 0.000 claims abstract description 13
- 229910000831 Steel Inorganic materials 0.000 claims description 30
- 239000010959 steel Substances 0.000 claims description 30
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 230000001360 synchronised effect Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 4
- 244000309464 bull Species 0.000 description 3
- 238000004804 winding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
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Abstract
The utility model relates to the field of electric hoist lifting hook limiting, in particular to a variable frequency electric hoist lifting hook limiting device, which comprises: the electric hoist comprises an electric hoist body, wherein a lifting hook body is arranged at the bottom of the electric hoist body, and a limiting structure is arranged on the front surface of the electric hoist body; when spacing the cable rope of electric block body, the staff is adjusted cable rope in two cassettes inside, rotates first lead screw and rotates, and first lead screw is rotatory simultaneously, drives the synchronous rotation of second lead screw through the transmission of its surface belt pulley and driving belt, drives two movable plates and cassette and inwards be close to in step, restrict the cable rope in the inside of draw-in groove can, has played and to spacing the cable rope of electric block body, carries out spacingly to its top when the cable rope moves about, avoids the cable rope to drive the inside rope guide of limit structure and appears not hard up condition.
Description
Technical Field
The utility model relates to the field of electric hoist lifting hook limiting, in particular to a variable-frequency electric hoist lifting hook limiting device.
Background
The variable frequency electric hoist is an indispensable device for improving the working efficiency and reducing the production cost in industrial production, and utilizes a frequency converter to change the frequency of a power supply so as to control the rotating speed of a motor, and the variable frequency electric hoist in the prior art has a lifting hook limiting function, for example, a website is:
The electric hoist rope of (https:// haokan. Baidu. Com/vpd = wisenatural & vid= 4955612035685402449), but in the prior art, in order to make the left and right gaps of a winding shaft utilized in the winding and unwinding process, the rope needs to be moved left and right, which causes the weight to move left and right along with the rope, and because the weight is relatively large, the inertia of the rope is relatively large, the rope guide can deviate in the long-time working process of the limiting device, the rope guide cannot be completely attached to the pushing block of the limiting device, and the rope guide is easy to push the limiting device.
Therefore, a variable frequency electric hoist lifting hook limiting device is provided to solve the above problems.
Disclosure of utility model
The utility model aims to solve the problems, and provides the variable frequency type electric hoist lifting hook limiting device, which solves the problems that the rope guider cannot be completely attached to a pushing block of the limiting device and the pushing of the rope guider to the limiting device is easily influenced because the weight of the heavy object is large and the inertia of a steel rope is large, and the rope guider can deviate in the long-time working process of the limiting device.
The utility model realizes the aim through the following technical scheme, and the variable frequency type electric hoist lifting hook limiting device comprises: the electric hoist comprises an electric hoist body, wherein a lifting hook body is arranged at the bottom of the electric hoist body, and a limiting structure is arranged on the front surface of the electric hoist body; the steel rope limiting mechanism is used for limiting the swing amplitude of the lifting hook body and is arranged at the bottom of the electric hoist body; the steel rope limiting mechanism comprises a limiting component and a locking component, wherein the limiting component used for limiting a steel rope of the electric hoist body is arranged at the bottom of the electric hoist body, and the locking component used for locking the limiting component is arranged inside the limiting component in a penetrating mode.
Preferably, the limiting component comprises two fixed plates fixedly mounted on two sides of the bottom of the electric hoist body, a first screw rod is rotatably mounted on the inner side wall of the fixed plate through a bearing, one end of the first screw rod penetrates through the other fixed plate and extends to the outer side of the fixed plate, a second screw rod is rotatably mounted on the inner side wall of the fixed plate through the bearing, moving plates are connected to the surfaces of the first screw rod and the second screw rod through threads, clamping seats are fixedly mounted on two adjacent sides of the moving plates, clamping grooves are formed in the surfaces of the clamping seats, and the clamping grooves are in contact with steel ropes of the electric hoist body.
Preferably, one side of the surfaces of the first screw rod and the second screw rod is sleeved with a belt pulley, the surface of the belt pulley is wound with a driving belt, and the two belt pulleys are in transmission connection through the driving belt.
Preferably, the locking assembly comprises a rotating rod penetrating through the inside of one clamping seat, a lock catch is fixedly arranged at one end of the rotating rod, which is positioned at the inner side of the clamping seat, an annular lock hole is formed in one side of the other clamping seat, and the lock catch is spliced with the annular lock hole.
Preferably, the bull stick is located the fixed surface who blocks the seat outside and installs the ring seat, a plurality of jacks have been seted up to the surface of ring seat, one the top fixed mounting of movable plate one side has the diaphragm, the bottom fixed mounting of diaphragm has flexible inserted bar, the flexible end and the jack grafting of flexible inserted bar, the surface cover of flexible inserted bar is equipped with reset spring.
Preferably, one end of the rotating rod, which is positioned at the outer side of the clamping seat, is fixedly connected with a handle, and the surface of the handle is sleeved with an anti-slip rubber sleeve.
Preferably, a plurality of balls are rotatably arranged in the clamping groove, and the inner walls of the balls are in contact with the steel rope of the electric hoist body.
Preferably, the electrical input end of the electric hoist body is connected with a wire, and one end of the wire, which is far away from the electric hoist body, is connected with a controller.
The beneficial effects of the utility model are as follows:
1. When the steel rope of the electric hoist body is limited, a worker adjusts the steel rope into the two clamping seats and rotates the first screw rod to rotate, the first screw rod drives the second screw rod to synchronously rotate through the transmission of the belt pulley and the transmission belt on the surface of the first screw rod while rotating, and drives the two moving plates to synchronously approach inwards with the clamping seats, so that the steel rope is limited in the clamping grooves, the limit of the steel rope of the electric hoist body is achieved, the limit of the top of the steel rope is achieved when the steel rope moves left and right, and the loosening of a rope guider in the limiting structure is avoided when the steel rope drives the steel rope;
2. When two movable plates and cassette are synchronous inwards to be close to, the hasp inserts annular lockhole's inner chamber, simultaneously, the staff rotates the hasp through the bull stick, make hasp transversely with annular lockhole joint, and after the joint is accomplished, flexible inserted bar drives the flexible end of flexible inserted bar through reset spring and inserts the inside of jack voluntarily, spacing the bull stick, play and to carry out spacing fixed to movable plate and cassette, avoid movable plate and cassette because of the too big second lead screw that leads to of steel rope dynamics of rocking appears reversing with first lead screw, lead to the condition that the rope of steel rope drops to appear.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of a rope restraining mechanism according to the present utility model;
FIG. 3 is a schematic view of a partial structure of a restraint assembly of the present utility model;
fig. 4 is an enlarged view of the area a in fig. 3.
In the figure: 1. an electric hoist body; 2. a hook body; 3. a limit structure; 4. a steel rope limiting mechanism; 41. a restriction assembly; 411. a fixing plate; 412. a first screw rod; 413. a second screw rod; 414. a moving plate; 415. a clamping seat; 416. a clamping groove; 417. a belt pulley; 418. a drive belt; 42. a locking assembly; 421. a rotating rod; 422. locking; 423. an annular lock hole; 424. a circular ring seat; 425. a jack; 426. a cross plate; 427. a telescopic inserted link; 428. a return spring; 5. a wire; 6. and a controller.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The specific implementation method comprises the following steps: as shown in fig. 1-4, a variable frequency electric hoist hook limiting device includes: the electric hoist comprises an electric hoist body 1, wherein a lifting hook body 2 is arranged at the bottom of the electric hoist body 1, and a limiting structure 3 is arranged on the front surface of the electric hoist body 1; the steel rope limiting mechanism 4 is used for limiting the swing amplitude of the lifting hook body 2, and the steel rope limiting mechanism 4 is arranged at the bottom of the electric hoist body 1; the steel rope limiting mechanism 4 comprises a limiting component 41 and a locking component 42, wherein the limiting component 41 for limiting the steel rope of the electric hoist body 1 is arranged at the bottom of the electric hoist body 1, and the locking component 42 for locking the limiting component 41 is arranged in the limiting component 41 in a penetrating manner; the electrical input end of the electric hoist body 1 is connected with a wire 5, and one end of the wire 5 away from the electric hoist body 1 is connected with a controller 6.
As shown in fig. 1-4, the limiting assembly 41 comprises two fixed plates 411 fixedly installed on two sides of the bottom of the electric hoist body 1, a first screw rod 412 is rotatably installed on the inner side wall of the fixed plate 411 through a bearing, one end of the first screw rod 412 penetrates through the other fixed plate 411 and extends to the outer side of the fixed plate 411, a second screw rod 413 is rotatably installed on the inner side wall of the fixed plate 411 through a bearing, movable plates 414 are in threaded connection with the surfaces of the first screw rod 412 and the second screw rod 413, clamping seats 415 are fixedly installed on one sides, adjacent to the two movable plates 414, of the two movable plates 415, clamping grooves 416 are formed in the surfaces of the clamping seats 415, and the clamping grooves 416 are in contact with steel rope ropes of the electric hoist body 1; one side of the surfaces of the first lead screw 412 and the second lead screw 413 are respectively sleeved with a belt pulley 417, a transmission belt 418 is wound on the surface of the belt pulley 417, and the two belt pulleys 417 are in transmission connection through the transmission belt 418; the inside rotation of draw-in groove 416 installs a plurality of balls, and the inner wall of ball contacts with the cable rope of electric block body 1, and the staff is adjusted cable rope inside two draw-in seats 415, and rotates first lead screw 412 and rotate, and first lead screw 412 is rotatory, and the transmission through its surface belt pulley 417 and driving second lead screw 413 synchronous rotation, drives two movable plates 414 and draw-in seat 415 synchronous inwards and is close to, with cable rope restriction in the inside of draw-in groove 416.
As shown in fig. 1-4, the locking component 42 comprises a rotating rod 421 penetrating through and installed inside one clamping seat 415, a lock catch 422 is fixedly installed at one end of the rotating rod 421 located inside the clamping seat 415, an annular lock hole 423 is formed in one side of the other clamping seat 415, and the lock catch 422 is spliced with the annular lock hole 423; the surface of the rotating rod 421 positioned on the outer side of the clamping seat 415 is fixedly provided with a circular ring seat 424, the surface of the circular ring seat 424 is provided with a plurality of jacks 425, the top of one side of one movable plate 414 is fixedly provided with a transverse plate 426, the bottom of the transverse plate 426 is fixedly provided with a telescopic inserting rod 427, the telescopic end of the telescopic inserting rod 427 is inserted into the jacks 425, the surface of the telescopic inserting rod 427 is sleeved with a return spring 428, when the two movable plates 414 and the clamping seat 415 synchronously approach inwards, a lock catch 422 is inserted into the inner cavity of an annular lock hole 423, meanwhile, a worker rotates the lock catch 422 through the rotating rod 421, so that the lock catch 422 is transversely clamped with the annular lock hole 423, and after the clamping is completed, the telescopic inserting rod 427 is automatically driven to be inserted into the inside of the jacks 425 through the elasticity of the return spring 428, and the rotating rod 421 is limited; one end of the rotating rod 421 positioned outside the clamping seat 415 is fixedly connected with a handle, and the surface of the handle is sleeved with an anti-slip rubber sleeve.
When the steel rope of the electric hoist body 1 is limited, a worker adjusts the steel rope inside the two clamping seats 415 and rotates the first screw rod 412 to rotate, the first screw rod 412 rotates and drives the second screw rod 413 to synchronously rotate through the transmission of the surface belt pulley 417 and the transmission belt 418, the two moving plates 414 and the clamping seats 415 are driven to synchronously approach inwards, the steel rope is limited inside the clamping grooves 416, when the two moving plates 414 and the clamping seats 415 synchronously approach inwards, the lock catch 422 is inserted into the inner cavity of the annular lock hole 423, meanwhile, the worker rotates the lock catch 422 through the rotating rod 421, so that the lock catch 422 is transversely clamped with the annular lock hole 423, and after the clamping is completed, the telescopic inserting rod 427 drives the telescopic end of the telescopic inserting rod 427 to automatically insert into the inside of the inserting hole 425 through the elasticity of the reset spring 428 to limit the rotating rod 421.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (8)
1. A variable frequency electric hoist lifting hook stop device, its characterized in that includes:
the electric hoist comprises an electric hoist body (1), wherein a lifting hook body (2) is arranged at the bottom of the electric hoist body (1), and a limiting structure (3) is arranged on the front surface of the electric hoist body (1);
The steel rope limiting mechanism (4) is used for limiting the swing amplitude of the lifting hook body (2), and the steel rope limiting mechanism (4) is arranged at the bottom of the electric hoist body (1);
The steel rope limiting mechanism (4) comprises a limiting component (41) and a locking component (42), wherein the limiting component (41) used for limiting a steel rope of the electric hoist body (1) is arranged at the bottom of the electric hoist body (1), and the locking component (42) used for locking the limiting component (41) is arranged inside the limiting component (41) in a penetrating mode.
2. The variable frequency electric hoist hook limiting device of claim 1, wherein: the limiting component (41) comprises two fixed plates (411) fixedly mounted on two sides of the bottom of the electric hoist body (1), a first screw rod (412) is rotatably mounted on the inner side wall of the fixed plate (411) through a bearing, one end of the first screw rod (412) penetrates through the other fixed plate (411) and extends to the outer side of the fixed plate (411), a second screw rod (413) is rotatably mounted on the inner side wall of the fixed plate (411) through the bearing, a movable plate (414) is connected with the surfaces of the first screw rod (412) and the second screw rod (413) through threads, clamping seats (415) are fixedly mounted on one adjacent sides of the two movable plates (414), clamping grooves (416) are formed in the surface of the clamping seats (415), and the clamping grooves (416) are in contact with steel ropes of the electric hoist body (1).
3. The variable frequency electric hoist hook limiting device of claim 2, characterized in that: one side of the surfaces of the first lead screw (412) and the second lead screw (413) is sleeved with a belt pulley (417), a transmission belt (418) is wound on the surface of the belt pulley (417), and the two belt pulleys (417) are in transmission connection through the transmission belt (418).
4. The variable frequency electric block lifting hook limiting device according to claim 3, wherein: the locking assembly (42) comprises a rotating rod (421) which is installed inside one clamping seat (415) in a penetrating mode, a lock catch (422) is fixedly installed at one end of the rotating rod (421) located inside the clamping seat (415), an annular lock hole (423) is formed in one side of the other clamping seat (415), and the lock catch (422) is spliced with the annular lock hole (423).
5. The variable frequency electric block lifting hook limiting device according to claim 4, wherein: the surface of the rotating rod (421) positioned at the outer side of the clamping seat (415) is fixedly provided with a circular ring seat (424), the surface of the circular ring seat (424) is provided with a plurality of jacks (425), the top of one side of the movable plate (414) is fixedly provided with a transverse plate (426), the bottom of diaphragm (426) fixed mounting has flexible inserted bar (427), the flexible end and the jack (425) grafting of flexible inserted bar (427), the surface cover of flexible inserted bar (427) is equipped with reset spring (428).
6. The variable frequency electric block lifting hook limiting device according to claim 4, wherein: one end of the rotating rod (421) positioned at the outer side of the clamping seat (415) is fixedly connected with a handle, and the surface of the handle is sleeved with an anti-slip rubber sleeve.
7. The variable frequency electric block lifting hook limiting device according to claim 6, wherein: the inside rotation of draw-in groove (416) is installed a plurality of balls, the inner wall of ball and the cable rope contact of electric block body (1).
8. The variable frequency electric hoist hook limiting device of claim 1, wherein: the electric hoist is characterized in that the electrical input end of the electric hoist body (1) is connected with a lead (5), and one end, far away from the electric hoist body (1), of the lead (5) is connected with a controller (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322717090.3U CN220845252U (en) | 2023-10-11 | 2023-10-11 | Variable-frequency electric hoist lifting hook limiting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322717090.3U CN220845252U (en) | 2023-10-11 | 2023-10-11 | Variable-frequency electric hoist lifting hook limiting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220845252U true CN220845252U (en) | 2024-04-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322717090.3U Active CN220845252U (en) | 2023-10-11 | 2023-10-11 | Variable-frequency electric hoist lifting hook limiting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220845252U (en) |
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2023
- 2023-10-11 CN CN202322717090.3U patent/CN220845252U/en active Active
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