CN213085305U

CN213085305U - Electric chain hoist

Info

Publication number: CN213085305U
Application number: CN202021102752.6U
Authority: CN
Inventors: 何巧琴
Original assignee: Taizhou Boneng Hoisting Machinery Co ltd
Current assignee: Zhejiang Zhongqi Hoisting Technology Co ltd
Priority date: 2020-06-15
Filing date: 2020-06-15
Publication date: 2021-04-30
Anticipated expiration: 2030-06-15

Abstract

The utility model relates to a chain electric block, it includes the calabash body, set up the chain box on the calabash body, set up the chain on the calabash body, the chain box is used for accomodating the chain, the inside clamp plate that slides along vertical direction that is equipped with of chain box, leave the through-hole that supplies the chain to pass between the inside wall of clamp plate and chain box, be equipped with the driving piece on the chain box, the driving piece drives the clamp plate and slides, through driving the chain body in upward movement to the chain box, pass the through-hole between clamp plate and the chain box inside wall, reach suitable length outside the chain box until the chain, driving piece on the chain box drives the clamp plate and slides downwards inside the chain box, until the clamp plate butt in the chain of chain box bottom, in order to reduce the slip space of chain in the chain box, the utility model discloses it ties the winding in the.

Description

Electric chain hoist

Technical Field

The utility model belongs to the technical field of lifting device's technique and specifically relates to a chain electric block is related to.

Background

The existing electric chain hoist is a light and small hoisting device, can be matched with a single-beam crane, a suspension crane, a flexible KBK system, a cantilever crane or a fixed I-steel track and the like, is usually hoisted through the electric chain hoist when hoisting equipment or objects, and is widely applied to various fields of national economy.

The existing electric hoist, such as the electric chain hoist disclosed in publication No. CN205204703U, comprises a chain hoist main body, a chain box, a chain assembly, a lifting point and an operating handle, wherein the chain hoist main body and the chain box are fixed on the lifting point, and the chain assembly and the operating handle assembly are respectively connected with the chain hoist main body.

The above prior art solutions have the following drawbacks: at electric chain link calabash during operation, chain subassembly makes progress or downstream drives electric chain link calabash and rocks, and the rocking of electric chain link calabash is followed to the chain in the chain box, because the gliding space of chain inside the chain box is great, causes the winding of knoing between the chain more easily, influences the normal use of calabash.

Disclosure of Invention

Not enough to prior art exists, one of the purposes of the utility model is to provide a chain electric block has the winding effect of knoing between the reduction chain.

The above object of the present invention is achieved by the following technical solutions:

the utility model provides a chain electric block, includes the calabash body, set up in chain box on the calabash body, set up in chain on the calabash body, the chain box is used for accomodating the chain, the inside clamp plate that slides along vertical direction that is equipped with of chain box, the clamp plate with leave the confession between the inside wall of chain box the through-hole that the chain passed, be equipped with the driving piece on the chain box, the driving piece drives the clamp plate slides.

Through adopting above-mentioned technical scheme, when using chain electric block adjustment chain length, the chain box is upwards withdrawed into with the chain to the calabash body, pass the through-hole between clamp plate and the chain box inside wall, reach suitable length outside the chain box until the chain, the drive piece on the chain box drives the clamp plate and slides downwards in the chain box is inside, until the clamp plate butt in the chain of chain box bottom, in order to reduce the slip space of chain in the chain box, and then reduce the chain and tie a knot in the chain box and twine, the calabash normal use of being convenient for.

The present invention may be further configured in a preferred embodiment as: the chain box including articulate in apron on the calabash body, set up in the box body of apron below, the clamp plate is located in the box body, set up on the apron and supply the chain hole that the chain got into, the driving piece including set up in cylinder on the apron, the piston rod of cylinder wear to establish to in the box body and be connected in on the clamp plate.

Through adopting above-mentioned technical scheme, when using the chain electric block to adjust chain length, the chain passes the chain hole on the apron and enters into the chain box under the effect of calabash body, and the cylinder on the apron acts on the clamp plate for cylinder piston rod extends downwards, drives the clamp plate and moves downwards in the chain box, and is inconsistent until with the chain, and then reduces the slide space of chain in the chain box.

Furthermore, a plurality of guide rods are vertically arranged on the side wall of the pressing plate, which faces the cover plate, and guide holes for the guide rods to penetrate through are formed in the cover plate.

Through adopting above-mentioned technical scheme, when the clamp plate downstream was fixed the chain, the skew that produces when the guide bar between apron and the clamp plate reducible cylinder drove the clamp plate and is the up-and-down motion along vertical direction.

Furthermore, one side of the cover plate, which faces the pressing plate, is fixedly connected with a plurality of springs, and one ends of the springs, which are far away from the cover plate, are fixedly connected to the pressing plate.

Through adopting above-mentioned technical scheme, when the clamp plate downstream, the spring extension between apron and the clamp plate, when cylinder piston rod shrink, the spring restoring force acts on the clamp plate, drives clamp plate upward movement to the lift of clamp plate is favorable to adjusting the use length of chain.

Furthermore, a plurality of first grooves are formed in the side wall of the cover plate, second grooves corresponding to the first grooves are formed in the side wall of the box body, and fastening pieces are arranged between the first grooves and the second grooves.

Through adopting above-mentioned technical scheme, when needs are changed or are cleared up the chain, through removing the fastener between first recess and the second recess, come with apron and box body separation to the clearance or the change of chain are convenient for.

Further, the fastener including set up in pothook, fixed connection in the second recess in the articulated slab on the pothook lateral wall, the articulated slab is kept away from the one end of pothook articulate in the second recess, seted up in the first recess with the hook groove of pothook looks joint, the pothook court the lid rotates the back joint extremely in the first recess, and make the pothook joint extremely hook inslot.

By adopting the technical scheme, when the chain box is installed, the clamping hook rotates towards the cover plate around the hinge point of the hinge plate and the second groove, the hinge plate moves out of the second groove and moves into the first groove along with the clamping hook, and the clamping hook is clamped with the hook groove to fix the cover plate and the box body, so that the stability of the chain box is improved; when the box body needs to be replaced, the clamping hook is separated from the hook groove, the clamping hook rotates towards the box body around a hinged point of the hinged plate and the second groove, the hinged plate moves out of the first groove along with the clamping hook until the hinged plate of the clamping hook machine is accommodated in the second groove, the cover plate is removed from the box body, a pressing plate or a spring damaged in the box body is convenient to replace, the pressing plate or the spring is kept intact, and resource saving is facilitated.

Further, the apron orientation the protrusion has the card strip on the lateral wall of calabash body, set up the confession on the lateral wall of calabash body the draw-in groove of card strip joint.

Through adopting above-mentioned technical scheme, when needs are fixed the chain box on the calabash body, will lap round the pin joint of apron and calabash body and rotate towards the calabash body for card strip and draw-in groove looks joint, with fixed chain box and calabash body, reduce rocking of chain box when the motion of calabash body.

Furthermore, soft bulges are arranged on two opposite side walls of the clamping strip, and grooves for clamping the soft bulges are formed in the groove walls of the clamping groove.

Through adopting above-mentioned technical scheme, when fixed chain box and calabash body, the card strip joint is to the draw-in groove in, and the soft protruding joint on the relative lateral wall of card strip is to the recess on the draw-in groove cell wall to strengthen the card strip in the joint steadiness of draw-in groove, and then strengthen the steadiness between chain box and the calabash body.

Further, one side of the pressing plate, back to the cover plate, is provided with a sponge layer.

Through adopting above-mentioned technical scheme, when using the fixed chain of clamp plate, because the chain height of income box body is highly differs, sponge layer and chain butt on the clamp plate for the convex part of chain is absorbed into sponge layer, with the level that keeps whole clamp plate, and then strengthens the stability of chain under the clamp plate effect, further reduces the space of sliding of chain in the box body is inside.

To sum up, the utility model discloses a following at least one useful technological effect:

by arranging the pressing plate, when the length of the chain is adjusted, the chain penetrates through a chain hole between the pressing plate and the chain box to enter the chain box until the chain reaches a proper length, the driving part drives the pressing plate to move downwards until the pressing plate abuts against the chain at the bottom of the chain box, so that the sliding space of the chain in the chain box is reduced, the knotting and winding of the chain are reduced, and the normal use of a hoist is facilitated;

through relieving the fastener for the pothook breaks away from in the hook groove, rotates the pothook towards the box body around the pin joint of articulated slab and second recess, and the articulated slab shifts out from first recess along with the pothook, until pothook and articulated slab hold in the second recess, in order to relieve the fixed of apron and box body, is convenient for change the box body of damage, keeps the apron of intact to continue to use, is favorable to resources are saved.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is an exploded view of the chain case from a first perspective.

Fig. 3 is an exploded view of the chain case from a second perspective.

Fig. 4 is a schematic view of the chain case being engaged with the hoist body.

Fig. 5 is an enlarged schematic view of a portion a in fig. 4.

Reference numerals: 1. a gourd body; 2. a chain case; 3. a chain; 4. pressing a plate; 5. a chain hole; 6. a drive member; 7. a cover plate; 8. a box body; 9. a through hole; 10. a cylinder; 11. a guide bar; 12. a guide hole; 13. a spring; 15. a first groove; 16. a second groove; 17. a fastener; 18. a hook; 19. a hinge plate; 20. a hook groove; 21. clamping the strip; 22. a card slot; 23. a soft bump; 24. a groove; 25. a sponge layer.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, for the utility model discloses a chain electric block, including calabash body 1, set up chain 3 on calabash body 1 and be used for accomodating chain box 2 of chain 3, 1 bodies of calabash body are used for driving 3 up-and-down motion of chain to make 3 extensions of chain or shorten.

Referring to fig. 1 and 2, chain box 2 is including articulating apron 7 on calabash body 1, set up in apron 7 below and be used for placing chain 3's box body 8, set up the chain hole 5 that supplies chain 3 to pass on the apron 7, box body 8 is inside to slide along vertical direction has clamp plate 4, clamp plate 4 is close to leave the through-hole 9 that supplies chain 3 to pass between calabash body 1's one end and the 2 inside walls of chain box, be equipped with on the apron 7 and drive clamp plate 4 along the driving piece 6 that vertical direction slided from top to bottom in box body 8, with the inside chain 3 of income box body 8 fixed, reduce the slip space of chain 3 in box body 8, and then reduce the winding of knoing of chain 3, be favorable to calabas.

Referring to fig. 1 and 3, the driving member 6 includes an air cylinder 10 fixedly connected to one side of the cover plate 7 opposite to the pressing plate 4, a piston rod of the air cylinder 10 penetrates through the cover plate 7 into the box body 8 and is fixedly connected to a side wall of the pressing plate 4, two guide rods 11 are vertically fixed to one side of the pressing plate 4 facing the air cylinder 10, a guide hole 12 is formed in the cover plate 7 corresponding to the guide rod 11, the guide rod 11 extends upward along a vertical direction and penetrates through the guide hole 12, two springs 13 are fixedly connected to one side of the cover plate 7 facing the pressing plate 4, one ends of the springs 13 far away from the cover plate 7 are fixedly connected to the side wall of the pressing plate 4, a sponge layer 25 is fixedly connected to one side of the pressing plate 4 opposite to the cover plate 7, and due to different heights of the chains 3 received in the box body 8, the sponge layer 25 on the pressing plate 4 abuts against, the chain 3 after being favorable to fixed accomodating to reduce the slip space of chain 3, further reduce the winding of knoing of chain 3.

Referring to fig. 3, a plurality of first grooves 15 are formed in the outer side wall of the cover plate 7, second grooves 16 corresponding to the first grooves 15 are formed in the outer side wall of the box body 8 close to the cover plate 7, fasteners 17 are arranged between the first grooves 15 and the second grooves 16, and the fasteners 17 are used for fixing the cover plate 7 and the box body 8; the fastener 17 comprises a hinge plate 19 hinged in the second groove 16 and a hook 18 fixedly connected to the hinge plate 19 and far away from a hinge point, a hook groove 20 clamped with the hook 18 is formed in the inner side wall of the first groove 15 close to the second groove 16, the hook 18 rotates towards the cover plate 7 around the hinge point of the hinge plate 19 and the second groove 16, the hinge plate 19 moves out of the second groove 16 and moves into the first groove 15 along with the hook 18 until the hook 18 is clamped in the hook groove 20, and the hinge plate 19 rotates into the first groove 15 to fix the cover plate 7 and the box body 8.

Referring to fig. 4 and 5, a plurality of clamping strips 21 protrude from the side wall of the cover plate 7 facing the hoist body 1, clamping grooves 22 for clamping the clamping strips 21 are formed in the side wall of the hoist body 1, and the cover plate 7 is rotated towards the hoist body 1 around a hinge point of the cover plate 7 and the hoist body 1, so that the clamping strips 21 are clamped with the clamping grooves 22 to fix the chain case 2 and the hoist body 1, and the shake of the chain case 2 during movement of the hoist body 1 is reduced; the clamping strip 21 is provided with a plurality of soft protrusions 23 protruding from two opposite side walls, the soft protrusions 23 are made of rubber materials, grooves 24 for clamping the soft protrusions 23 are formed in the groove walls of the clamping grooves 22, the soft protrusions 23 are clamped to the grooves 24, clamping stability of the clamping strip 21 and the clamping grooves 22 is enhanced, and stability between the chain box 2 and the hoist body 1 is further enhanced.

The implementation principle of the embodiment is as follows: when the chain 3 is adjusted in length by the hoist body 1, the chain 3 enters the cover plate 7 through the chain holes 5 on the cover plate 7 under the action of the hoist body 1, when the length of the chain 3 is adjusted, the chain 3 is accumulated at the bottom of the box body 8, the air cylinder 10 is started to push the movable pressing plate 4 to move towards the bottom of the box body 8, the guide rod 11 on the pressing plate 4 extends along with the downward movement of the pressing plate 4, the spring 13 between the cover plate 7 and the pressing plate 4 extends until the sponge layer 25 on the pressing plate 4 is abutted against the chain 3, so that the convex part of the chain 3 is sunk into the sponge layer 25, with the level that keeps whole clamp plate 4, strengthen chain 3 in the inside stability of box body 8 to reduce chain 3 in the inside space that slides of box body 8, and then reduce the winding of knoing of 3 chains of chain 3, be favorable to electric block's normal use.

The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.

Claims

1. The utility model provides a chain electric block, include calabash body (1), set up in chain box (2) on calabash body (1), set up in chain (3) on calabash body (1), chain box (2) are used for accomodating chain (3), its characterized in that: chain box (2) inside is equipped with clamp plate (4) that slides along vertical direction, clamp plate (4) with leave the confession between the inside wall of chain box (2) through-hole (9) that chain (3) passed, be equipped with driving piece (6) on chain box (2), driving piece (6) drive clamp plate (4) slide.

2. The electric chain hoist according to claim 1, characterized in that: chain box (2) including articulate in apron (7) on calabash body (1), set up in box body (8) of apron (7) below, clamp plate (4) are located in box body (8), offer the confession on apron (7) chain hole (5) that chain (3) got into, driving piece (6) including set up in cylinder (10) on apron (7), the piston rod of cylinder (10) wear to establish to in box body (8) and be connected in on clamp plate (4).

3. The electric chain hoist according to claim 2, characterized in that: the pressing plate (4) faces the side wall of the cover plate (7) and is vertically provided with a plurality of guide rods (11), and the cover plate (7) is provided with guide holes (12) for the guide rods (11) to pass through.

4. The electric chain hoist according to claim 2, characterized in that: one side, facing the pressing plate (4), of the cover plate (7) is fixedly connected with a plurality of springs (13), and one ends, far away from the cover plate (7), of the springs (13) are fixedly connected to the pressing plate (4).

5. The electric chain hoist according to claim 2, characterized in that: a plurality of first grooves (15) are formed in the side wall of the cover plate (7), second grooves (16) corresponding to the first grooves (15) are formed in the side wall of the box body (8), and fasteners (17) are arranged between the first grooves (15) and the second grooves (16).

6. The electric chain hoist as claimed in claim 5, characterized in that: fastener (17) including set up in pothook (18), fixed connection in second recess (16) on pothook (18) lateral wall articulated slab (19), articulated slab (19) are kept away from the one end of pothook (18) articulate in second recess (16), seted up in first recess (15) with hook groove (20) of pothook (18) looks joint, pothook (18) court apron (7) rotate the back joint extremely in first recess (15), and make pothook (18) joint extremely in hook groove (20).

7. The electric chain hoist according to claim 2, characterized in that: the apron (7) orientation the protrusion has card strip (21) on the lateral wall of calabash body (1), offer the confession on the lateral wall of calabash body (1) draw-in groove (22) of card strip (21) joint.

8. The electric chain hoist as claimed in claim 7, characterized in that: a plurality of soft bulges (23) are arranged on two opposite side walls of the clamping strip (21), and grooves (24) for clamping the soft bulges (23) are formed in the groove wall of the clamping groove (22).

9. The electric chain hoist according to claim 2, characterized in that: a sponge layer (25) is arranged on one side of the pressing plate (4) back to the cover plate (7).