CN216583960U - Quick elevating gear of hand hoist - Google Patents
Quick elevating gear of hand hoist Download PDFInfo
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- CN216583960U CN216583960U CN202122609969.7U CN202122609969U CN216583960U CN 216583960 U CN216583960 U CN 216583960U CN 202122609969 U CN202122609969 U CN 202122609969U CN 216583960 U CN216583960 U CN 216583960U
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Abstract
The utility model provides a quick lifting device for a hand-operated hoist, belongs to the technical field of hand-operated hoists, and solves the problem that the existing hand-operated hoist cannot quickly lift an object. This quick elevating gear of hand block, which comprises a housin, the top of casing is fixed with first couple, the inside threaded connection of first couple has the screw rod, the one end of screw rod is equipped with the wrench disk, the other end of screw rod is equipped with the fixed disk, the both sides of casing bottom are equipped with first chain and second chain respectively, the other end of first chain is equipped with the connecting box, the bottom of connecting box is fixed with the second couple, the inboard of second couple articulates there is first cardboard, be fixed with first spring between first cardboard and the second couple, the through-hole has been seted up on the surface of second couple, and the cooperation is used between first cardboard and the through-hole. The utility model can quickly lift and lower the object, and avoid the object from shaking randomly to influence the safety of the operator.
Description
Technical Field
The utility model belongs to the technical field of hand hoists, relates to a lifting device, and particularly relates to a quick lifting device for a hand hoist.
Background
The chain block is also called chain block, is suitable for production and construction of factories, miners, agriculture, electric power and buildings, cargo hoisting, vehicle loading and unloading and the like, and particularly has important functions for open-air and powerless operation.
After retrieval, for example, chinese patent document discloses a hand-operated hoist [ application number: CN 201610261470.2; publication No.: CN105905825A ]. The hand-operated hoist comprises an upper lifting hook, an upper spring fastener, a chain wheel box, a hand-pulling chain, a fixed seat, a lower lifting hook, a lower spring fastener and a lifting chain, wherein the upper lifting hook is fixed at the top of the chain wheel box, the whole device can be suspended on a workshop truss by the upper lifting hook, the chain wheel box is provided with two cavities which are respectively used for installing chain wheels wound with the hand-pulling chain and the lifting chain, the chain wheel shafts are supported on a box body of the chain wheel box, the lower lifting hook is fixed at the bottom of the lifting chain, a heavy object is hooked by the lower lifting hook when the heavy object is lifted, and the heavy object can be lifted to a required position by pulling the hand-pulling chain.
The hand block disclosed in the patent still has the weak point, and the palm block generally hangs on pipes such as crossbeam through the couple, and when the chain on the pulling hand block, because the reason of effort, often can drive the object on the hand block and rock, in order to avoid the object to take place to drop for the staff has slowed down the speed of going up and down, thereby has reduced the efficiency of work.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems in the prior art, and provides a quick lifting device for a hand-operated hoist, which can improve the lifting speed of an object and improve the working efficiency.
The purpose of the utility model can be realized by the following technical scheme:
a quick lifting device of a hand hoist comprises a shell, wherein a first hook is fixed at the top of the shell, a screw rod is in threaded connection with the inside of the first hook, a twisting disc is arranged at one end of the screw rod, a fixed disc is arranged at the other end of the screw rod, a first chain and a second chain are respectively arranged at two sides of the bottom of the shell, a connecting box is arranged at the other end of the first chain, a second hook is fixed at the bottom of the connecting box, a first clamping plate is hinged to the inner side of the second hook, a first spring is fixed between the first clamping plate and the second hook, a through hole is formed in the surface of the second hook, the first clamping plate is matched with the through hole for use, the front side and the rear side of the bottom of the shell are both fixed with fixing rods, the other end of each fixing rod is fixed with a limit box, and the limiting grooves are formed in two sides of the interior of the limiting box, fixing plates are fixed in the front and back of the upper side and the lower side of each limiting groove, and a limiting wheel is rotatably connected between the two fixing plates.
The working principle of the utility model is as follows: during the use, can hang first couple, then rotatory wrench disk, and drive the fixed disk and fix first couple, can press first cardboard after that, and hang the second couple to the goods, elastic force application through first spring afterwards, make the inside that first cardboard got into the through-hole carry on spacingly, then when going up and down to the goods, the spacing supplementary of wheel pair first chain of accessible is spacing, avoid the goods at the in-process that goes up and down, lead to first chain and goods to rock at will, thereby the efficiency of going up and down has been reduced.
A placing groove is formed in the surface of the second hook, a plurality of second springs are fixed inside the placing groove, and a buffer plate is fixed at the other end of each second spring.
By adopting the structure, the force generated by hoisting the goods can be buffered, so that the protection effect is achieved.
The top of the buffer plate is fixed with a plurality of lugs which are arranged at equal intervals.
By adopting the structure, the friction force between the hook and the goods can be increased, and the lifted goods are prevented from shaking randomly in the second hook.
The surface of the first hook is hinged with a second clamping plate, and the other end of the second clamping plate is attached to the inner side of the first hook.
By adopting the structure, the first hook can be assisted and limited, and the first hook is prevented from falling off.
The limiting wheels are positioned at the left side and the right side of the first chain, and the width of the first chain is attached to the two limiting wheels.
Structure more than adopting can assist spacingly to first chain, avoids it to take place to rock.
One side of the fixed disc, which is far away from the screw rod, is provided with an anti-slip pad, and the anti-slip pad is made of rubber.
By adopting the structure, the friction force of the fixed disc can be increased, and the stability of the fixed disc is enhanced.
Compared with the prior art, the quick lifting device of the hand hoist has the following advantages:
1. the fixed disc can fix the first hook by driving the screw rod to rotate through the twisting disc, so that the first hook is prevented from shaking randomly when in use, the lifting of goods is prevented from being influenced, meanwhile, the first spring applies elastic force to the first clamping plate, the first clamping plate enters the through hole and limits and fixes the second hook, the lifted object is prevented from being separated from the second hook, the object is prevented from being broken, meanwhile, the limiting wheel is used for limiting the first chain in an auxiliary mode, the object is prevented from shaking randomly when the first chain is lifted, the object is prevented from colliding with an operator, the safety of the operator is influenced, the lifting efficiency is reduced, the operator cannot use the manual hoist conveniently, and the problem that the object cannot be lifted quickly by the conventional manual hoist is solved.
2. According to the utility model, through the arrangement of the placing groove, the second spring and the buffer plate, the hoisted goods are extruded to the second spring through the buffer plate, and meanwhile, through the elastic force application of the second spring, the hoisted goods can be buffered, so that the direct force application friction between the hoisting rope of the goods and the second hook is avoided.
3. According to the utility model, through the arrangement of the convex block, the friction between the hoisted goods and the buffer plate is directly increased, and the goods are prevented from being separated from the second hook.
Drawings
Fig. 1 is a schematic front view of the present invention.
Fig. 2 is a partial sectional structural schematic view of the present invention.
Fig. 3 is a partial perspective view of the present invention.
Fig. 4 is a partially enlarged view of a portion a of fig. 1 according to the present invention.
Fig. 5 is a partial enlarged structural view at B in fig. 1 according to the present invention.
In the figure, 1, a housing; 2. a first hook; 3. a second clamping plate; 4. a screw; 5. twisting the disc; 6. fixing the disc; 7. a first chain; 8. a second chain; 9. fixing the rod; 10. a limiting box; 11. a limiting groove; 12. a fixing plate; 13. a limiting wheel; 14. a connection box; 15. a second hook; 16. a first clamping plate; 17. a first spring; 18. a through hole; 19. a placement groove; 20. a second spring; 21. a buffer plate; 22. and (4) a bump.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
As shown in fig. 1-5, the quick lifting device of the hand-drive hoist comprises a casing 1, a first hook 2 is fixedly connected to the top of the casing 1, a screw rod 4 is connected to the inner thread of the first hook 2, a twisting disc 5 is arranged at one end of the screw rod 4, a fixing disc 6 is arranged at the other end of the screw rod 4, a first chain 7 and a second chain 8 are respectively arranged on two sides of the bottom of the casing 1, a connecting box 14 is arranged at the other end of the first chain 7, a second hook 15 is fixedly connected to the bottom of the connecting box 14, a first clamping plate 16 is hinged to the inner side of the second hook 15, the length of the first clamping plate 16 is larger than the diameter of the second hook 15, the first clamping plate 16 is designed to limit the position of the second clamping plate 3 in the second hook 15 and prevent the second clamping plate 3 from being separated from the second hook 15, a first spring 17 is fixedly connected between the first clamping plate 16 and the second hook 15, and a through hole 18 is formed in the surface of the second hook 15, the through hole 18 is arc-shaped, the design is that the first clamping plate 16 can enter the through hole 18 for fixing, the first clamping plate 16 and the through hole 18 are matched for use, fixing rods 9 are welded on the front side and the rear side of the bottom of the shell 1, a limiting box 10 is welded at the other end of the fixing rod 9, limiting grooves 11 are formed in two sides of the interior of the limiting box 10, fixing plates 12 are fixedly connected to the front and rear sides of the upper side and the lower side of each limiting groove 11, a limiting wheel 13 is rotatably connected between the two fixing plates 12, the first clamping plate 16 enters the through hole 18 and carries out limiting fixing on the second hook 15 by driving the screw rod 4 to rotate through the twisting disc 5, the fixing disc 6 can fix the first hook 2 to avoid random shaking during use and influence on hoisting of goods, meanwhile, the first clamping plate 16 is elastically forced by the first spring 17, the first clamping plate 16 enters the through hole 18 and carries out limiting fixing on the second hook 15, and the hoisted objects are prevented from being separated from the interior of the second hook 15, lead to the object to be broken, utilize spacing wheel 13 spacing to the supplementary of first chain 7 simultaneously, avoid first chain 7 to take the object to take place to rock at will in the in-process of going up and down, lead to the object to collide operating personnel, influence operating personnel's safety, reduced the efficiency of going up and down simultaneously, the operating personnel of being not convenient for uses, has solved present hand hoist and can't carry out the problem that goes up and down fast to the object.
Standing groove 19 has been seted up on the surface of second couple 15, and a plurality of second springs 20 of inside fixedly connected with of standing groove 19, the other end fixedly connected with buffer board 21 of second spring 20, in this embodiment, through standing groove 19, the setting of second spring 20 and buffer board 21, make the goods of hoist and mount extrude second spring 20 through buffer board 21, simultaneously through the elastic force application of second spring 20, can cushion the goods of hoist and mount, avoid the hoist and mount rope of goods directly to take place application of force friction with second couple 15.
The top fixedly connected with of buffer board 21 has a plurality of lugs 22, and lug 22 is the equidistance and arranges the distribution, in this embodiment, through lug 22's setting for the goods that are hoisted and hang and buffer board 21 direct increase friction, avoid the goods to break away from second couple 15.
The surface of first couple 2 articulates there is second cardboard 3, and the other end of second cardboard 3 and the inboard laminating of first couple 2, in this embodiment, through the setting of second cardboard 3, can carry on spacingly to first couple 2, avoids first couple 2 to take place to break away from, influences the incident.
One side that screw rod 4 was kept away from to fixed disk 6 is equipped with the slipmat, and the slipmat is the rubber material, in this embodiment, through the setting of slipmat, can increase the frictional force of fixed disk 6 and wall body or support frame, is convenient for simultaneously fixed disk 6 to the inseparable fixed of first couple 2.
The working principle of the utility model is as follows: during the use, can press second cardboard 3, then hang first couple 2, rotatory wrench disk 5 is followed, wrench disk 5 drives the screw rod 4 rotatory, and drive fixed disk 6 and fix first couple 2 simultaneously, avoid it to rock at will, when needs lift up the goods, can press first cardboard 16, and hang second couple 15 to the goods, simultaneously through first spring 17's elastic force application, and it is spacing to drive first cardboard 16 and get into the inside of through-hole 18, avoid the goods to break away from in second couple 15, then stimulate second chain 8, and drive first chain 7 and second couple 15 rebound together, it is spacing simultaneously through spacing wheel 13 to the supplementary of first chain 7, avoid the goods at the in-process of going up and down, lead to first chain 7 and goods to rock at will, thereby the efficiency of going up and down has been reduced.
The specific embodiments described herein are merely illustrative of the spirit of the utility model. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the utility model as defined in the appended claims.
Claims (6)
1. A quick lifting device of a manual hoist comprises a shell (1) and is characterized in that a first hook (2) is fixed to the top of the shell (1), a screw (4) is connected to the inner threads of the first hook (2), a twisting disc (5) is arranged at one end of the screw (4), a fixing disc (6) is arranged at the other end of the screw (4), a first chain (7) and a second chain (8) are respectively arranged on two sides of the bottom of the shell (1), a connecting box (14) is arranged at the other end of the first chain (7), a second hook (15) is fixed to the bottom of the connecting box (14), a first clamping plate (16) is hinged to the inner side of the second hook (15), a first spring (17) is fixed between the first clamping plate (16) and the second hook (15), a through hole (18) is formed in the surface of the second hook (15), and the first clamping plate (16) and the through hole (18) are matched, both sides all are fixed with dead lever (9) around casing (1) bottom, and the other end of dead lever (9) is fixed with spacing box (10), and spacing groove (11) have all been seted up to the inside both sides of spacing box (10), and the front and back of both sides all is fixed with fixed plate (12) about spacing groove (11), and rotates between two fixed plate (12) and be connected with spacing wheel (13).
2. The quick lifting device of the hand-operated hoist as claimed in claim 1, wherein the surface of the second hook (15) is provided with a placing groove (19), a plurality of second springs (20) are fixed inside the placing groove (19), and the other end of the second springs (20) is fixed with a buffer plate (21).
3. The quick lifting device of the hand-operated hoist as claimed in claim 2, wherein the top of the buffer plate (21) is fixed with a plurality of lugs (22), and the lugs (22) are arranged at equal intervals.
4. A hand-operated hoist quick lifting device according to claim 1, characterized in that the surface of the first hook (2) is hinged with a second clamping plate (3), and the other end of the second clamping plate (3) is attached to the inner side of the first hook (2).
5. The quick lifting device of a hand hoist according to claim 1, characterized in that the limiting wheels (13) are located on the left and right sides of the first chain (7), and the width of the first chain (7) is fitted with the two limiting wheels (13).
6. The quick lifting device of the hand-operated hoist as claimed in claim 1, wherein the side of the fixed plate (6) far away from the screw (4) is provided with a non-slip mat, and the non-slip mat is made of rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122609969.7U CN216583960U (en) | 2021-10-28 | 2021-10-28 | Quick elevating gear of hand hoist |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122609969.7U CN216583960U (en) | 2021-10-28 | 2021-10-28 | Quick elevating gear of hand hoist |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216583960U true CN216583960U (en) | 2022-05-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122609969.7U Active CN216583960U (en) | 2021-10-28 | 2021-10-28 | Quick elevating gear of hand hoist |
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| Country | Link |
|---|---|
| CN (1) | CN216583960U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117125591A (en) * | 2023-08-02 | 2023-11-28 | 维多利科技（江苏）有限公司 | Hanging and unhooking hook for hoisting block |
-
2021
- 2021-10-28 CN CN202122609969.7U patent/CN216583960U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117125591A (en) * | 2023-08-02 | 2023-11-28 | 维多利科技（江苏）有限公司 | Hanging and unhooking hook for hoisting block |
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