CN214780236U

CN214780236U - Lifting appliance with wide applicability

Info

Publication number: CN214780236U
Application number: CN202120685008.1U
Authority: CN
Inventors: 徐胜
Original assignee: Shanghai Tongcheng Enterprise Development Co ltd
Current assignee: Shanghai Tongcheng Enterprise Development Co ltd
Priority date: 2021-04-02
Filing date: 2021-04-02
Publication date: 2021-11-19
Anticipated expiration: 2031-04-02

Abstract

The utility model relates to a hoist that suitability is wide relates to hoisting accessory technical field, it includes the crossbeam, go up chain and lower chain, the both ends of going up the chain and the top interconnect of crossbeam, lower chain is provided with two at the below symmetry of crossbeam, the groove of sliding has been seted up along its length direction in the bottom of crossbeam, the inslot symmetry of sliding is provided with the sliding block, the lower chain sets up in the bottom of sliding block, the inslot of sliding is provided with the guide bar along its length direction is fixed, the sliding block slides and sets up on the lateral wall of guide bar. This application has the hoist of being convenient for couple and live the thing of lifting by crane of different specifications size, improves the effect of hoist suitability.

Description

Lifting appliance with wide applicability

Technical Field

The application relates to the technical field of hoisting devices, in particular to a hoisting tool with wide applicability.

Background

At present, a lifting appliance refers to a device for lifting a heavy object in a lifting machine, and is widely applied to the lifting industry.

The related art is designed with a Chinese patent with an authorization publication number of CN202967864U, and provides a lifting appliance, which comprises a cross beam fixedly welded through a reinforcing plate, lifting lug plates are symmetrically arranged at two ends of the cross beam, the lifting lug plates are fixedly connected with the bottom of the cross beam in a welding manner, an upper rope is fixedly connected to the top of the cross beam, and a lower rope is connected to the lifting lug plates; when the heavy object is hoisted, the bottom of the lower rope is hooked by the hoisting ring to hoist the object, and the crane or the crane hook hooks the upper rope, so that the object to be hoisted is hoisted stably.

In view of the above-mentioned related technologies, the inventor believes that the lifting lug plate on the lifting appliance is fixed on the cross beam, the distance between the two lower ropes cannot be adjusted, the lifting appliance is inconvenient to hook lifting objects with different specifications and sizes, and the applicability is limited, so that improvement is needed.

SUMMERY OF THE UTILITY MODEL

In order to facilitate the hoist to hook the lifting object of different specifications and sizes, the applicability of the hoist is improved, and the application provides a wide hoist of applicability.

The application provides a hoist that suitability is wide adopts following technical scheme:

a lifting appliance with wide applicability comprises a cross beam, upper chains and lower chains, wherein the upper chains are arranged along the length direction of the cross beam, two ends of each upper chain are connected with the top of the cross beam, the lower chains are symmetrically arranged below the cross beam, the bottom of the cross beam is provided with a sliding groove along the length direction of the cross beam, sliding blocks are symmetrically arranged in the sliding grooves, and the lower chains are arranged at the bottoms of the sliding blocks; the sliding groove is fixedly provided with a guide rod along the length direction, and the sliding block is arranged on the outer side wall of the guide rod in a sliding mode.

Through adopting above-mentioned technical scheme, when lifting by crane the heavy object, catch on the chain with crane or driving couple, can drive the sliding block this moment and slide on the guide bar, make the sliding block slide along the length direction of crossbeam to can change the distance between two lower chains, so that lower chain bottom and the not hoisting object of specification size articulate each other, have improved the application scope of hoist.

Optionally, the sliding block includes first sliding block and the second sliding block that the symmetry set up, be provided with first rack and second rack along its length direction symmetry on the inside wall in sliding groove, first rack and second rack all slide with the inside wall in sliding groove and be connected, first sliding block and first rack reciprocal anchorage, second sliding block and second rack reciprocal anchorage, the sliding groove internal rotation is provided with the gear, the gear simultaneously with first rack and second rack intermeshing.

Through adopting above-mentioned technical scheme, when needing the drive sliding block to slide at the sliding tray, the user can drive first sliding block, first sliding block drives first rack and slides at the sliding tray this moment, drive gear revolve when first rack slides, gear revolve and then drive the second rack and slide, the second rack slides and drives the second sliding block and slide on the guide bar, realize the effect of the first sliding block of simultaneous drive and second sliding block motion or back of the body mutually, keep first sliding block and second sliding block symmetry to set up on the guide bar, the convenience of operation has been improved.

Optionally, dovetail grooves are symmetrically formed in the inner side wall of the sliding groove, the length direction of each dovetail groove is arranged along the length direction of the sliding groove, dovetail blocks are integrally arranged on the outer side walls of the first rack and the second rack, and the dovetail blocks are matched with the dovetail grooves.

Through adopting above-mentioned technical scheme, when the sliding block drove first rack and second rack and slided, the dovetail piece slided in the dovetail, and the dovetail piece offsets with the dovetail inside wall, has improved the stability of first rack and second rack to the intensity of hoist has been improved.

Optionally, a locking rod penetrates through the outer side wall of the first sliding block, and a plurality of locking holes for the locking rod to be inserted are equidistantly formed in the outer side wall of the guide rod; the locking pole is kept away from the integrative spacing dish that is provided with of one end of locking hole direction, the cover is equipped with the spring on the lateral wall of locking pole, the both ends of spring are fixed mutually with spacing dish lateral wall and first sliding block lateral wall respectively.

Through adopting above-mentioned technical scheme, the spacing dish of pulling makes the spring elongate, and the locking pole breaks away from each other with the locking hole, can drive the sliding block and slide on the guide bar this moment, treats to adjust the position back of sliding block, loosens spacing dish, and the spring kick-backs drives the locking pole and inserts and establish to the locking hole downthehole, when lifting by crane the heavy object, and the locking pole offsets with the downthehole lateral wall of locking, avoids the sliding block to slide on the guide bar, has improved the security of hoist work.

Optionally, one end of the limiting disc, which is far away from the spring direction, is fixedly provided with a pull ring, and one end of the locking rod, which faces the locking hole direction, is arc-shaped.

Through adopting above-mentioned technical scheme, the pulling ring, convenient to use person drive locking lever slide, loosen the pull ring after, circular-arc tip is favorable to the locking hole to insert fast and establishes to the locking downthehole, has further improved the convenience of operation.

Optionally, the bottom of the sliding block is provided with a safety buckle, and the lower chain is connected with the safety buckle.

Through adopting above-mentioned technical scheme, be convenient for carry out the dismouting to the lower chain, be favorable to maintaining the hoist.

Optionally, an end wall of the sliding block is provided with a mounting hole for the safety buckle to penetrate through.

Through adopting above-mentioned technical scheme, with safety buckle and mounting hole interconnect, the safety buckle can with take place to rotate between the sliding block, when lifting by crane the heavy object, the difficult emergence of safety buckle damages, has prolonged the life of hoist.

Optionally, a protecting sleeve is sleeved on the outer side wall of the lower chain.

By adopting the technical scheme, the lower chain is isolated by the protective sleeve, and when articles are hoisted, the lower chain is not easy to damage the articles, so that a certain protection effect on the hoisted articles is achieved.

In summary, the present application includes at least one of the following beneficial technical effects:

1. by arranging the cross beam, the upper chains, the lower chains, the sliding grooves, the sliding blocks and the guide rods, when a hoisted object is hoisted, the sliding blocks can be driven to slide on the guide rods, and the distance between the two lower chains is changed, so that the bottom ends of the lower chains are conveniently hung with hoisted objects of different specifications, and the application range of the hanger is improved;

2. by arranging the first sliding block, the second sliding block, the first rack, the second rack and the gear, the effect of simultaneously driving the first sliding block and the second sliding block to move in the opposite direction or in the opposite direction is realized, the sliding blocks are symmetrically arranged on the guide rod, and the convenience of operation is improved;

3. through setting up locking pole, locking hole, spacing dish, spring and pull ring, when lifting by crane the heavy object, the locking pole offsets with the downthehole lateral wall of locking, avoids the sliding block to slide on the guide bar, has improved the security of hoist work.

Drawings

Fig. 1 is a schematic structural diagram of a spreader with wide applicability in the embodiment.

Fig. 2 is an enlarged view of a portion a in fig. 1.

Fig. 3 is a schematic diagram for showing a connection relationship between the sliding block and the cross beam in the embodiment.

Fig. 4 is an enlarged view of a portion B in fig. 3.

Description of reference numerals: 1. a cross beam; 11. a sliding groove; 12. a guide bar; 121. a locking hole; 21. chain feeding; 22. a lower chain; 3. a sliding block; 31. a first sliding block; 32. a second sliding block; 41. a first rack; 42. a second rack; 5. a gear; 6. a dovetail groove; 61. a dovetail block; 7. a lock lever; 71. a limiting disc; 72. a spring; 73. a pull ring; 8. a safety buckle; 81. mounting holes; 9. a protective sleeve.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses hoist that application degree is wide. Referring to fig. 1, including crossbeam 1, last chain 21 and lower chain 22, going up chain 21 and setting up along the length direction of crossbeam 1, going up the both ends of chain 21 and being articulated each other with the top of crossbeam 1, when lifting by crane, hitching last chain 21 through crane or driving couple, and then lifting by crane crossbeam 1.

Referring to fig. 1, the bottom of crossbeam 1 has seted up sliding groove 11 along its length direction, and the symmetry is provided with sliding block 3 in sliding groove 11, and sliding block 3 is including first sliding block 31 and the second sliding block 32 that the symmetry set up, and the bottom of first sliding block 31 and second sliding block 32 all is provided with lower chain 22 that is used for articulating article.

Referring to fig. 1 and 2, the end wall of the sliding block 3 is provided with a mounting hole 81 at the bottom, a safety buckle 8 is arranged in the mounting hole 81, and the lower chain 22 and the safety buckle 8 are connected with each other, so that the lifting appliance is maintained and the service life of the lifting appliance is prolonged. The outer side wall of the lower chain 22 is sleeved with a protective sleeve 9, and after the lifting appliance lifts an object, the protective sleeve 9 plays a certain role in protecting the lifted object.

Referring to fig. 2 and 3, a guide rod 12 is fixedly welded in the sliding groove 11 along the length direction thereof, the sliding block 3 is slidably arranged on the outer side wall of the guide rod 12, the sliding block 3 can slide along the length direction of the cross beam 1, and the distance between the two lower chains 22 is changed, so that the lower chains 22 can be conveniently used for hanging hoisted objects of different specifications and sizes.

Referring to fig. 3 and 4, a first rack 41 and a second rack 42 are symmetrically disposed on the inner side wall of the sliding slot 11, and the length direction of the first rack 41 and the length direction of the second rack 42 are disposed along the length direction of the cross beam 1. Dovetail 6 has been seted up to the symmetry on the inside wall of the groove 11 that slides, and the length direction of dovetail 6 sets up along the length direction of the groove 11 that slides, and an organic whole is provided with dovetail block 61 on the lateral wall of first rack 41 and second rack 42, and dovetail block 61 and dovetail 6 looks adaptation each other, and dovetail block 61 can slide in dovetail 6 to first rack 41 and second rack 42 can slide along the length direction of crossbeam 1 in the groove 11 that slides.

Referring to fig. 3, the first sliding block 31 and the first rack 41 are fixed to each other by welding, the second sliding block 32 and the second rack 42 are fixed to each other by welding, a gear 5 is rotatably provided in the sliding groove 11 and at the center by a pin, and the gear 5 is simultaneously engaged with the first rack 41 and the second rack 42. When the first sliding block 31 is driven to slide, the first rack 41 is driven to slide, and then the gear 5 is driven to rotate, and then the second rack 42 is driven to slide, and then the second sliding block 32 is driven to slide, so that the effect of simultaneously driving the first sliding block 31 and the second sliding block 32 to move in the opposite direction or move back to back is realized. Gaps for sliding the first rack 41 or the second rack 42 exist between the first sliding block 31 and the second sliding block 32 and the inner side wall of the sliding groove 11.

Referring to fig. 2, the outer side wall of the first sliding block 31 is provided with a locking rod 7 in a penetrating manner, the outer side wall of the guide rod 12 is provided with a plurality of locking holes 121 at equal intervals for the locking rod 7 to insert, and the distance between the lower chains 22 is adjusted. Insert with locking pole 7 and establish to locking hole 121 in, locking pole 7 offsets with locking hole 121 inside wall, avoids sliding block 3 to slide on guide bar 12, has improved the security of hoist during operation.

Referring to fig. 2, an integrated limiting disc 71 is arranged at one end of the locking rod 7, which is far away from the locking hole 121, a spring 72 is sleeved on the outer side wall of the locking rod 7, two ends of the spring 72 are respectively welded and fixed with the limiting disc 71 and the first sliding block 31, the spring 72 drives the locking rod 7 to slide towards the locking hole 121, and stability of the locking rod 7 in the locking hole 121 is improved.

Referring to fig. 2, a pull ring 73 is fixedly welded to one end of the limiting plate 71 away from the spring 72, and the locking rod 7 can be slid against the force of the spring 72 by pulling the pull ring 73. Locking pole 7 is circular-arc towards the one end of locking hole 121 direction, and after loosening pull ring 73, the locking pole 7 of being convenient for is inserted fast and is established into locking hole 121 in, improves the agility of operation.

The implementation principle of the wide hoist of this application embodiment a suitability is: when needing to catch the lower chain 22 on the article of different specifications and sizes, the user can stimulate the pull ring 73, break away from locking pole 7 and locking hole 121 each other, can drive first sliding block 31 to slide on guide bar 12 this moment, and then drive first rack 41 and second rack 42 to slide in sliding groove 11, and then drive second sliding block 32 to slide on guide bar 12, the distance between first sliding block 31 of quick adjustment and the second sliding block 32, so that the bottom of lower chain 22 articulates with the lifting object of different specifications and sizes each other, and convenient and fast operation, the application scope of the lifting appliance is improved.

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

Claims

1. The utility model provides a hoist that application degree is wide, includes crossbeam (1), upper chain (21) and lower chain (22), the length direction who goes up chain (21) along crossbeam (1) sets up, the both ends of going up chain (21) and the top interconnect of crossbeam (1), lower chain (22) are provided with two, its characterized in that in the below symmetry of crossbeam (1): the bottom of the cross beam (1) is provided with a sliding groove (11) along the length direction, sliding blocks (3) are symmetrically arranged in the sliding groove (11), and the lower chain (22) is arranged at the bottom of the sliding blocks (3); the sliding block is characterized in that a guide rod (12) is fixedly arranged in the sliding groove (11) along the length direction of the sliding groove, and the sliding block (3) is arranged on the outer side wall of the guide rod (12) in a sliding mode.

2. The wide-applicability sling according to claim 1, wherein: the utility model discloses a sliding block, including the first sliding block (31) and the second sliding block (32) that the symmetry set up, be provided with first rack (41) and second rack (42) along its length direction symmetry on the inside wall of sliding groove (11), first rack (41) and second rack (42) all slide with the inside wall of sliding groove (11) and be connected, first sliding block (31) and first rack (41) reciprocal anchorage, second sliding block (32) and second rack (42) reciprocal anchorage, sliding groove (11) internal rotation is provided with gear (5), gear (5) simultaneously with first rack (41) and second rack (42) intermeshing.

3. The wide-applicability sling according to claim 2, wherein: dovetail (6) have been seted up to the symmetry on the inside wall in groove (11) slides, the length direction of dovetail (6) sets up along the length direction in groove (11) slides, an organic whole is provided with dovetail block (61) on the lateral wall of first rack (41) and second rack (42), dovetail block (61) and dovetail (6) mutual adaptation.

4. The wide-applicability sling according to claim 2, wherein: a locking rod (7) penetrates through the outer side wall of the first sliding block (31), and a plurality of locking holes (121) for the locking rod (7) to insert are formed in the outer side wall of the guide rod (12) at equal intervals; the locking hole (121) direction is kept away from in locking pole (7) one end an organic whole and is provided with spacing dish (71), the cover is equipped with spring (72) on the lateral wall of locking pole (7), the both ends of spring (72) respectively with spacing dish (71) lateral wall and first sliding block (31) lateral wall reciprocal anchorage.

5. The wide-applicability spreader of claim 4, wherein: the limiting disc (71) is fixedly provided with a pull ring (73) at one end far away from the spring (72), and one end, facing the direction of the locking hole (121), of the locking rod (7) is arc-shaped.

6. The wide-applicability sling according to claim 1, wherein: the bottom of sliding block (3) is provided with safety buckle (8), lower chain (22) and safety buckle (8) interconnect.

7. The wide-applicability sling according to claim 6, wherein: and the end wall of the sliding block (3) is provided with a mounting hole (81) for the safety buckle (8) to penetrate through.

8. The wide-applicability sling according to claim 1, wherein: and a protective sleeve (9) is sleeved on the outer side wall of the lower chain (22).