CN219384483U

CN219384483U - Hydraulic clamping device of crane

Info

Publication number: CN219384483U
Application number: CN202320714037.5U
Authority: CN
Inventors: 杨涛; 吴建辉
Original assignee: Nanjing Chuansaide Industrial Technology Co ltd
Current assignee: Nanjing Chuansaide Industrial Technology Co ltd
Priority date: 2023-04-04
Filing date: 2023-04-04
Publication date: 2023-07-21
Anticipated expiration: 2033-04-04

Abstract

The utility model provides a hydraulic clamping device of a crane, which relates to the field of hydraulic clamps and comprises a fixed plate, a driving bin, a first clamping component and a second clamping component, wherein the driving bin is arranged at two ends of the fixed plate, the first clamping component is symmetrically arranged at the bottom of the driving bin, the second clamping component is arranged at the outer side of the first clamping component, the first clamping component comprises a mounting plate, an assembly groove, an assembly block, a fixed pin shaft, a clamping piece and a driving component, the driving component is arranged in the driving bin, and the mounting plate is symmetrically arranged below the driving bin; according to the clamping device, the clamping piece of the first clamping assembly is used for clamping the object, and the second clamping assembly is matched for limiting the two ends of the object, so that the stability of clamping the strip-shaped object is guaranteed, the safety performance of the device is greatly improved, and meanwhile, the whole installation operation is convenient, so that the device is beneficial to popularization.

Description

Hydraulic clamping device of crane

Technical Field

The utility model relates to the technical field of hydraulic clamps, in particular to a hydraulic clamping device of a crane.

Background

A crane, also known as a crown block, a crane or a hoist, refers to a multi-action lifting machine that vertically lifts and horizontally conveys weights within a certain range. According to different structural forms, the existing cranes are divided into bridge cranes, jib cranes and cable cranes. The electric hoist is special hoisting equipment capable of being mounted on a crane, and has the characteristics of small volume, light dead weight, simplicity in operation, convenience in use and the like. The electric hoist can mainly play two roles on the crane: firstly, because the dead weight of the parts of the crane is heavy, the parts cannot be replaced and maintained simply by manpower, and the parts are conveniently hoisted to a winch by installing the electric hoist on the crane, so that the replacement and maintenance of the parts are realized; secondly, the crane can conveniently hoist some small-tonnage components, reasonably utilize resources, and avoid the waste of resources and energy caused by hoisting the small-tonnage components by the crane;

as disclosed in Chinese patent: crane, patent number: CN208603595U, it is through going up the sliding connection of the operation frame on the girder, electric hoist sliding connection is on the operation frame down, and set the length of operation frame down to be greater than the length of operation frame, can make the orbit of electric hoist not receive the bracket that sets up in the factory building or the rail girder restriction on the hoist, be favorable to expanding the hoist range of electric hoist, improve hoist application range, reduce hoist workman's intensity of labour and hoist difficulty, in addition, because electric hoist passes through running gear setting in the below of girder, do not occupy the side space of hoist, thereby be favorable to improving hoist structure's compactness, reduce the space that the hoist needs, but when hoist is lifted some goods, only through the couple on the electric hoist, there is the mobility limitation, if be used for the hoist of shaft-like object, the couple still need cooperate other instrument to use together, just can accomplish the hoist work, therefore the utility model proposes a hydraulic clamping device of hoist in order to solve the problem that exists in the prior art.

Disclosure of Invention

According to the hydraulic clamping device of the crane, the clamping piece of the first clamping component is used for clamping the object, and meanwhile, the second clamping component is matched for limiting the two ends of the object, so that the stability of clamping the long-strip-shaped object is guaranteed.

In order to achieve the purpose of the utility model, the utility model is realized by the following technical scheme: the utility model provides a hydraulic clamping device of hoist, includes fixed plate, drive storehouse, first clamping assembly and second clamping assembly, the both ends of fixed plate all are equipped with the drive storehouse, the bottom symmetry of drive storehouse is equipped with first clamping assembly, the outside of first clamping assembly is equipped with the second clamping assembly, first clamping assembly includes mounting panel, fitting groove, assembly piece, fixed pin axle, clamping piece and drive assembly, the inside of drive storehouse is equipped with the drive assembly, the below symmetry of drive storehouse is equipped with the mounting panel, be fixed with the assembly groove on the inside wall of mounting panel, the inboard of mounting panel still is equipped with the clamping piece, one side that the clamping piece is close to the assembly groove is equipped with the assembly piece, all be equipped with the jack on assembly piece and the assembly groove, the assembly piece inserts in the assembly inslot and inserts the jack internal fixation through fixing pin axle, the top symmetry of drive storehouse is equipped with rings.

The further improvement is that: the driving assembly comprises a bidirectional screw, a motor, nut sleeves, connecting rods, sliding grooves and a linkage assembly, wherein the bidirectional screw is installed in the driving bin in a rotating mode, one group of bidirectional screws are driven by the motor located on the outer wall of the driving bin, the other group of bidirectional screws are driven by the linkage assembly, the nut sleeves are symmetrically arranged on the bidirectional screws, the connecting rods are arranged on the nut sleeves, the sliding grooves are formed in the bottom of the driving bin, and the lower ends of the connecting rods penetrate through the sliding grooves and are fixedly connected with the mounting plate.

The further improvement is that: the linkage assembly comprises a chain wheel, wherein the chain wheel is rotatably arranged at one end, far away from the motor, of the driving bin, the chain wheel is fixedly connected with the bidirectional screw rod, and the two groups of chain wheels are in linkage through a chain.

The further improvement is that: the second clamping assembly comprises a bearing plate, a hydraulic oil cylinder, a supporting plate and a clamping baffle, wherein the bearing plate is fixed at the middle end of the top of the driving bin, the hydraulic oil cylinder is arranged on the bearing plate, the output end of the hydraulic oil cylinder is fixedly connected with the supporting plates positioned on two sides of the clamping piece, and the lower end of the supporting plate is fixedly connected with the clamping baffle.

The further improvement is that: the clamping piece comprises an arc-shaped block and a supporting rod, a plurality of groups of arc-shaped blocks are arranged on one side of the assembly block, and the lower ends of the arc-shaped blocks are fixedly connected with the supporting rod.

The further improvement is that: the clamping piece comprises a strip-shaped block and a supporting rod, a plurality of groups of strip-shaped blocks are arranged on one side of the assembly block, and the lower ends of the strip-shaped blocks are fixedly connected with the supporting rod.

The further improvement is that: the arc-shaped blocks or the strip-shaped blocks on the two groups of assembly blocks are distributed at equal intervals in a staggered manner, and the clamping pieces are arranged in a staggered manner.

The beneficial effects of the utility model are as follows: according to the clamping device, the clamping piece of the first clamping assembly is used for clamping the object, and the second clamping assembly is matched for limiting the two ends of the object, so that the stability of clamping the strip-shaped object is guaranteed, the safety performance of the device is greatly improved, and meanwhile, the whole installation operation is convenient, so that the device is beneficial to popularization.

Drawings

Fig. 1 is a schematic structural diagram of a first embodiment of the present utility model.

Fig. 2 is a schematic structural diagram of a second embodiment of the present utility model.

Fig. 3 is a schematic bottom view of a first embodiment of the present utility model.

Fig. 4 is a schematic view of the assembly of the clamping member of the present utility model.

Fig. 5 is a cross-sectional view of the drive assembly of the present utility model.

Wherein: 1. a fixing plate; 2. a driving bin; 3. a mounting plate; 4. an assembly groove; 5. a mounting block; 6. a fixed pin shaft; 7. a clamping member; 8. a jack; 9. a hanging ring; 10. a bidirectional screw; 11. a motor; 12. a nut sleeve; 13. a connecting rod; 14. a chute; 15. a sprocket; 16. a carrying plate; 17. a hydraulic cylinder; 18. a support plate; 19. clamping the baffle; 20. an arc-shaped block; 21. a support rod; 22. a bar block.

Detailed Description

The present utility model will be further described in detail with reference to the following examples, which are only for the purpose of illustrating the utility model and are not to be construed as limiting the scope of the utility model.

Example 1

According to the figures 1, 3, 4 and 5, this embodiment provides a hydraulic clamping device of a crane, which comprises a fixed plate 1, a driving bin 2, a first clamping component and a second clamping component, wherein the two ends of the fixed plate 1 are respectively provided with the driving bin 2, the bottom of the driving bin 2 is symmetrically provided with the first clamping component, the outer side of the first clamping component is provided with the second clamping component, the first clamping component comprises a mounting plate 3, an assembly groove 4, an assembly block 5, a fixed pin shaft 6, a clamping piece 7 and a driving component, the driving component is arranged in the driving bin 2, the mounting plate 3 is symmetrically arranged below the driving bin 2, an assembly groove 4 is fixed on the inner side wall of the mounting plate 3, the inner side of the mounting plate 3 is also provided with a clamping piece 7, one side of the clamping piece 7 close to the assembly groove 4 is provided with the assembly block 5, the utility model discloses a clamping device for a rod-shaped article, including assembly piece 5, assembly groove 4, jack 8 is all equipped with on assembly piece 5 and the assembly groove 4, assembly piece 5 inserts assembly inslot and inserts jack 8 internal fixation through fixing pin 6, the top symmetry of drive storehouse 2 is equipped with rings 9, this device passes through rings 9's setting, can install on the couple of hoist, be used for the hoist to carry out the centre gripping to the goods fixedly, especially when lifting to some rod-shaped rectangular article, carry out the centre gripping to the article through the clamping piece of first clamping assembly, cooperate the second clamping assembly to spacing to the both ends of object simultaneously, and then guarantee the stability to rod-shaped article centre gripping, holistic operation is comparatively convenient, clamping piece 7 of this device is fixed through assembly piece 4 cooperation assembly piece 5 through jack 8 and round pin axle simultaneously, comparatively convenient when changing clamping piece 7.

The driving assembly comprises a bidirectional screw 10, a motor 11, a nut sleeve 12, a connecting rod 13, a sliding groove 14 and a linkage assembly, wherein the bidirectional screw 10 is installed in the driving bin 2 in a rotating mode, one group of bidirectional screws 10 are driven by the motor 11 located on the outer wall of the driving bin 2, the other group of bidirectional screws 10 are driven by the linkage assembly, the nut sleeve 12 is symmetrically arranged on the bidirectional screws 10, the connecting rod 13 is arranged on the nut sleeve 12, the sliding groove 14 is arranged at the bottom of the driving bin 2, the lower end of the connecting rod 13 penetrates through the sliding groove 14 and is fixedly connected with the mounting plate 3, the motor 11 is started, the motor 11 drives the bidirectional screws 10 to rotate, the nut sleeve 12 is driven to move, meanwhile, the connecting rod 13 synchronously drives the mounting plate 3 to move, and further drives the clamping piece 7 to clamp.

The linkage assembly comprises a chain wheel 15, the chain wheel 15 is rotatably arranged at one end, far away from the motor 11, of the driving bin 2, the chain wheel 15 is fixedly connected with the bidirectional screw rod 10, two groups of chain wheels 15 are linked through a chain, and the use of the motor 11 is reduced and the cost is reduced through a transmission mode of the chain wheels 15 and the chain.

The second clamping assembly comprises a bearing plate 16, a hydraulic cylinder 17, a supporting plate 18 and a clamping baffle 19, wherein the bearing plate 16 is fixed at the middle end of the top of the driving bin 2, the bearing plate 16 is provided with the hydraulic cylinder 17, the output end of the hydraulic cylinder 17 is fixedly connected with the supporting plate 18 positioned at two sides of the clamping piece, the lower end of the supporting plate 18 is fixedly connected with the clamping baffle 19, and the clamping baffle 19 is driven to move through the hydraulic cylinder 17, so that the clamping baffle 19 clamps and limits two ends of a strip-shaped object, and the safety of the device is greatly improved.

The clamping piece 7 includes arc piece 20 and bracing piece 21, one side of assembly piece 5 is equipped with multiunit arc piece 20, the lower extreme and the bracing piece 21 fixed connection of arc piece 20 through setting up clamping piece 7 into the arc, conveniently carry out the centre gripping to cylindrical object, and also better to cylindrical object's centre gripping effect, and the setting of bracing piece 21 can hold up the bottom of object.

The arc blocks 20 on the two groups of assembly blocks 5 are distributed at equal intervals in a staggered manner, and the clamping pieces 7 are arranged in a staggered manner, so that the clamping can be tighter during clamping.

According to the hydraulic clamping device of the crane, the motor 11 drives the bidirectional screw rod 10 to rotate through the starting motor 11, so that the nut sleeve 12 is driven to move, meanwhile, the connecting rod 13 synchronously drives the mounting plate 3 to move, and further the arc-shaped block 20 and the supporting rod 21 are driven to clamp.

Example two

According to fig. 2, this embodiment differs from the above embodiment in that the clamping member 7 includes a bar block 22 and a supporting rod 21, one side of the assembly block 5 is provided with a plurality of groups of bar blocks 22, the lower end of the bar block 22 is fixedly connected with the supporting rod 21, the clamping member 7 is arranged in a bar shape, so that the clamping of the prismatic object is facilitated, the clamping effect of the prismatic object is also good, and the supporting rod 21 is arranged to support the bottom of the object.

The strip-shaped blocks 22 on the two groups of assembly blocks 5 are distributed at equal intervals in a staggered manner, and the clamping pieces 7 arranged in a staggered manner can clamp more tightly during clamping.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A hydraulic clamping device of a crane, characterized in that: including fixed plate (1), drive storehouse (2), first clamping assembly and second clamping assembly, the both ends of fixed plate (1) all are equipped with drive storehouse (2), the bottom symmetry of drive storehouse (2) is equipped with first clamping assembly, the outside of first clamping assembly is equipped with second clamping assembly, first clamping assembly includes mounting panel (3), fitting groove (4), fitting block (5), fixed pin axle (6), clamping piece (7) and drive assembly, the inside of drive storehouse (2) is equipped with driving assembly, the below symmetry of drive storehouse (2) is equipped with mounting panel (3), be fixed with fitting groove (4) on the inside wall of mounting panel (3), the inboard of mounting panel (3) still is equipped with clamping piece (7), one side that clamping piece (7) is close to fitting groove (4) is equipped with fitting block (5), all be equipped with jack (8) on fitting block (5) and the fitting groove (4), fitting block (5) insert in fitting groove (4) and through inserting fixed pin axle (8) in the jack, the symmetry of drive storehouse (2) is equipped with rings (9).

2. A hydraulic gripping device for a crane according to claim 1, characterized in that: the driving assembly comprises a bidirectional screw (10), a motor (11), a nut sleeve (12), a connecting rod (13), a sliding chute (14) and a linkage assembly, wherein the bidirectional screw (10) is installed in the driving bin (2) in a rotating mode, one group of the bidirectional screw (10) is driven by the motor (11) located on the outer wall of one group of the driving bin (2), the other group of the bidirectional screw (10) is driven by the linkage assembly, the nut sleeve (12) is symmetrically arranged on the bidirectional screw (10), the connecting rod (13) is arranged on the nut sleeve (12), the sliding chute (14) is arranged at the bottom of the driving bin (2), and the lower end of the connecting rod (13) penetrates through the sliding chute (14) to be fixedly connected with the mounting plate (3).

3. A hydraulic gripping device for a crane according to claim 2, characterized in that: the linkage assembly comprises a chain wheel (15), wherein the chain wheel (15) is rotatably arranged at one end, far away from the motor (11), of the driving bin (2), the chain wheel (15) is fixedly connected with the bidirectional screw rod (10), and the two groups of chain wheels (15) are in linkage through a chain.

4. A hydraulic gripping device for a crane according to claim 1, characterized in that: the second clamping assembly comprises a bearing plate (16), a hydraulic cylinder (17), a supporting plate (18) and a clamping baffle (19), wherein the bearing plate (16) is fixed at the middle end of the top of the driving bin (2), the bearing plate (16) is provided with the hydraulic cylinder (17), the output end of the hydraulic cylinder (17) is fixedly connected with the supporting plate (18) positioned at two sides of the clamping piece, and the lower end of the supporting plate (18) is fixedly connected with the clamping baffle (19).

5. A hydraulic gripping device for a crane according to claim 1, characterized in that: the clamping piece (7) comprises arc blocks (20) and supporting rods (21), a plurality of groups of arc blocks (20) are arranged on one side of the assembly block (5), and the lower ends of the arc blocks (20) are fixedly connected with the supporting rods (21).

6. A hydraulic gripping device for a crane according to claim 1, characterized in that: the clamping piece (7) comprises a strip-shaped block (22) and a supporting rod (21), a plurality of groups of strip-shaped blocks (22) are arranged on one side of the assembly block (5), and the lower ends of the strip-shaped blocks (22) are fixedly connected with the supporting rod (21).

7. A hydraulic gripping device for a crane according to any one of claims 5 or 6, characterized in that: the arc-shaped blocks (20) or the strip-shaped blocks (22) on the two groups of assembly blocks (5) are distributed at equal intervals in a staggered manner, and the clamping pieces (7) are arranged in a staggered manner.