Anti-skid protection device for lifting appliance

Abstract

The utility model relates to the technical field of lifting appliances, in particular to an anti-skid protection device for a lifting appliance. According to the technical scheme, the device comprises a cross beam, clamping sleeves, a support, a conical cylinder, a conical column and a connecting cylinder, the support is arranged above the cross beam, first lifting chains which are symmetrically distributed are arranged between the support and the cross beam, the conical column is arranged at the lower end of the support, the conical cylinder is arranged above the cross beam, and the clamping sleeves which are symmetrically distributed are arranged on one side of the cross beam. A second lifting chain is arranged at one end of the clamping sleeve, a stroke groove is formed in the clamping sleeve, a clamping plate is slidably inserted into the stroke groove, a C-shaped connecting cylinder is arranged at one end of the clamping plate, a limiting ring is connected to the outer wall of the connecting cylinder in a sleeving mode, and a second spring connected to the outer side of the connecting cylinder in a sleeving mode is arranged between the limiting ring and the clamping sleeve. The clamping sleeves for sleeving the two ends of the steel rail are arranged, the two ends of the steel rail are sleeved, the problem that the steel rail slides down in the moving process is solved, and the stability of the steel rail in the hoisting process is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a lifting appliance technical field especially relates to a lifting appliance antiskid protection device. BACKGROUND

[0002] Railway rail lifting appliance is a kind of tool specially used for hoisting and transporting steel rail, it plays an important role in railway construction, maintenance and steel rail storage, transportation etc. link, railway rail lifting appliance is usually composed of clamping device, connecting device and lifting device etc. Clamping device is responsible for firmly clamping steel rail, to prevent slipping in hoisting process;Connecting device connects clamping device and lifting device, to transfer lifting force;Lifting device is connected with hoisting machinery, such as crane, crane, gantry etc., to realize the lifting and transportation of steel rail.

[0003] Chinese patent discloses a kind of adjustable railway rail lifting appliance (authorized announcement No.CN208869187U), the patent technology includes clamping mechanism and crossbeam, the clamping mechanism top is equipped with lifting lug, and lifting lug lower side is hinged with transmission plate by rotating shaft, the transmission plate lower side is hinged with second clamping plate by rotating shaft, and second clamping plate side is hinged with first clamping plate by rotating shaft.In the utility model, the clamping mechanism including lifting lug, transmission plate, first clamping plate and second clamping plate is arranged, first clamping plate and second clamping plate are locked to steel rail, then lifting lug is lifted to drive first clamping plate and second clamping plate to clamp steel rail by transmission plate, self-locking of clamping mechanism is realized according to the weight of steel rail itself, to prevent steel rail from falling off, improve the safety of railway rail lifting appliance use, after hoisting is completed, the tension of lifting lug is directly released, the steel rail in the first clamping plate and second clamping plate clamping mouth can be opened, solve the action of artificial with sling binding and extracting sling.

[0004] The clamping structure of the patent technology is automatically clamped to steel rail by the gravity of steel rail itself during use, but there are still deficiencies during use, the bottom of steel rail is smooth, and there is no effective protection structure at both ends, in the moving process, because crossbeam is connected by chain, it will sway in the moving process, and there is a situation of sliding and falling off at both ends of steel rail, there is a security risk in hoisting process, therefore, the technical personnel in the art provides a kind of lifting appliance antiskid protection device to solve the problems raised in the above background technology, for this, we propose a kind of lifting appliance antiskid protection device to solve the existing problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at the problems in the background art, and provides a kind of lifting appliance antiskid protection device.

[0006] To achieve the above object, the utility model provides following technical scheme: a kind of sling antiskid protection device, including crossbeam, sleeve, support, cone cylinder, cone column and connecting barrel, support is provided in the upper portion of crossbeam, it is provided with symmetric distribution hoisting chain one between the support and crossbeam, the lower end of the support is provided with cone column, the upper portion of crossbeam is provided with cone cylinder, one side of crossbeam is provided with symmetric distribution sleeve, one end of the sleeve is provided with hoisting chain two, travel groove is opened in the inside of the sleeve, clamping plate is slidably inserted in the inside of travel groove, one end of the clamping plate is provided with the connecting barrel of C type, the outer wall of the connecting barrel is sleeved with limit ring, spring two is arranged on the outside of connecting barrel between the limit ring and sleeve.

[0007] Preferably, the crossbeam is provided with a side groove at both ends, the hoisting chain two is provided with an installation plate inside the side groove, and the installation plate is installed with the side groove through bolts. The bolt connection allows the installation plate to be flexibly adjusted in the side groove. When multiple sets of clamps are installed at the lower end of the crossbeam, the number of sleeves corresponding to the number of clamps is installed according to the number of clamps. The bolt fastening ensures the rigid connection of the hoisting chain two and the crossbeam, preventing the hoisting chain two from falling off due to shaking during hoisting.

[0008] Preferably, the limit ring is provided with a handle at the upper end, and the sleeve is provided with a guide rod two inside the spring two and slidably inserted into the connecting barrel. The handle is used for manual operation of the limit ring, the guide rod two is embedded in the connecting barrel to guide the compression direction of the spring two, and the handle provides a force point to quickly adjust the position of the clamping plate to release or lock the connecting barrel.

[0009] Preferably, the outer wall of the cone cylinder is sleeved with a support ring, and the lower end of the support ring is provided with a spring one connected with the crossbeam. The support ring is elastically supported by the spring one, and the elastic force of the support ring spring one is applied to the cone cylinder.

[0010] Preferably, the crossbeam is provided with symmetrically distributed hydraulic rods at the upper end, and the hydraulic rods are provided with a pressing block sleeved on the outside of the support ring. The hydraulic rod drives the pressing block to exert a pressing force on the support ring when it operates.

[0011] Preferably, the crossbeam is provided with symmetrically distributed guide rods one at the upper end, and the lower end of the cone cylinder is provided with symmetrically distributed positioning holes slidably inserted with the guide rods one. The guide rod one is inside the positioning hole, and when the sleeve moves longitudinally, the spring two is prevented from deviating to the outside, guiding the longitudinal movement of the sleeve and limiting the spring two.

[0012] Preferably, the lower end of the sleeve is open, the inside of the sleeve is provided with a clamping groove, and one end of the clamping plate is slidably inserted into the clamping groove. When the cone cylinder is connected with the cone column, the larger connecting opening facilitates the guidance of the cone column, and the large opening of the cone cylinder facilitates the connection of the cone column during the connection process.

[0013] Compared with the prior art, the utility model have the advantages that:

[0014] 1, the utility model discloses the crossbeam with support through chain one connection, and support and hoisting equipment direct installation connection, and the support is connected with the crossbeam through the taper column and taper cylinder butt joint, make chain one be limited, chain one avoided before and after swing, but can take the taper column as the pivot and rotate, angle is adjusted simultaneously, and in the process of using, the both ends of the steel rail are connected through the sleeve, when the steel rail is inclined, the sleeve is pulled through chain two, avoids the steel rail from both sides and falls, improves the stability when the steel rail hoisting. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the overhead perspective structure schematic diagram of the utility model;

[0016] Figure 2 It is the crossbeam side view three-dimensional structure schematic diagram of the utility model;

[0017] Figure 3 It is the spring one side view three-dimensional structure schematic diagram of the utility model;

[0018] Figure 4 It is the taper cylinder side sectional view three-dimensional structure schematic diagram of the utility model;

[0019] Figure 5 It is the spring two side sectional view three-dimensional structure schematic diagram of the utility model.

[0020] Reference numeral: 1, crossbeam;2, sleeve;3, chain one;4, side groove;5, hydraulic rod;6, chain two;7, spring one;8, support;9, clamping plate;10, stroke groove;11, clamping groove;12, taper cylinder;13, taper column;14, handle;15, pressing block;16, guide rod one;17, positioning hole;18, support ring;19, guide rod two;20, mounting plate;21, spring two;22, limit ring;23, connecting cylinder. DETAILED DESCRIPTION

[0021] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0022] For example, Figures 1-5As shown, the present invention proposes a lifting device for anti-slip protection, including a crossbeam 1, a sleeve 2, a bracket 8, a cone 12, a cone column 13, and a connecting cylinder 23. The bracket 8 is provided above the crossbeam 1, and symmetrically distributed lifting chains 3 are provided between the bracket 8 and the crossbeam 1. The cone column 13 is provided at the lower end of the bracket 8, and the cone 12 is provided above the crossbeam 1. The sleeve 2 is symmetrically distributed on one side of the crossbeam 1. The second lifting chain 6 is provided at one end of the sleeve 2. The sleeve 2 has a travel groove 10 inside, and a card plate 9 is slidably inserted into the travel groove 10. The connecting cylinder 23 is C-shaped at one end of the card plate 9. A limit ring 22 is sleeved on the outer wall of the connecting cylinder 23. A second spring 21 is sleeved on the outside of the connecting cylinder 23 between the limit ring 22 and the sleeve 2.

[0023] The crossbeam 1 has side grooves 4 at both the front and rear ends. One end of the lifting chain 2 6 is provided with a mounting plate 20 located inside the side groove 4. The mounting plate 20 is installed with the side groove 4 by bolts.

[0024] The upper end of the limiting ring 22 is provided with a handle 14, and one end of the sleeve 2 is provided with a guide rod 19 located inside the spring 21 and slidably inserted into the connecting cylinder 23;

[0025] A support ring 18 is sleeved on the outer wall of the cone 12, and a spring 7 connected to the crossbeam 1 is provided at the lower end of the support ring 18.

[0026] The upper end of the crossbeam 1 is provided with symmetrically distributed hydraulic rods 5, and the upper end of the hydraulic rods 5 is provided with a pressure block 15 sleeved on the outside of the support ring 18.

[0027] The upper end of the crossbeam 1 is provided with symmetrically distributed guide rods 16, and the lower end of the cone 12 is provided with symmetrically distributed positioning holes 17 that are slidably inserted into the guide rods 16.

[0028] The lower end of the card sleeve 2 is open, and a card slot 11 is provided inside the card sleeve 2. One end of the card plate 9 is slidably inserted into the card slot 11.

[0029] Based on the implementation steps of example 1: the lifting device connects the support 8, the support 8 is suspended through the symmetrical chain 1, the conical column 13 at the lower end of the support 8 is inserted into the conical cylinder 12 above the beam 1, the inner wall of the conical cylinder 12 corresponding to the conical column 13 forms a surface contact with the conical column 13, which limits the front and back swing of the chain 1, while allowing a small rotation around the conical column 13, adapting to the change of lifting angle, the two ends of the steel rail are fixed through the sleeve 2, the clamping plate 9 in the sleeve 2 is inserted into the clamping groove 11 under the action of the spring 21, supporting the lower end of the steel rail, forming a mechanical locking, during lifting, the hydraulic rod 5 drives the pressing block 15 to apply pressure to the supporting ring 18, avoiding the longitudinal movement of the elastic supporting conical cylinder 12, when the conical cylinder 12 is pressed down, the conical column 13 is separated from the conical cylinder 12, when the steel rail is inclined or shakes, the sleeve 2 applies a reverse pulling force to the two ends of the steel rail through the chain 6, combined with the elastic locking of the C-shaped connecting cylinder 23, offsetting the tendency of lateral sliding, avoiding the steel rail from slipping out of the clamping device;

[0030] The chain 6 is bolted through the side groove 4, which can flexibly adjust the position of the sleeve 2, adapt to different specifications of steel rails and multiple clamp scenes, it is worth noting that when the support 8 is installed in the same lifting device, only the outermost beam 1 of the multiple beams 1 needs to be installed with the chain 6 and the sleeve 2, and the two ends of the steel rail are sleeved, the clamps are installed at the lower end of the steel rail, and the number of the sleeve 2 corresponds to the number of the clamps, different clamps of different steel rails clamp different sections of the same steel rail, the clamps are the clamps in the comparative file, and the clamps can also be selected by the user, the prior art relies on the self-weight clamping of the steel rail, but the two ends of the steel rail lack protection, and the steel rail is easy to slip during movement due to shaking, the device locks the two ends of the steel rail through the sleeve 2, completely eliminating the risk of side slipping, and the position of the chain 6 is freely adjusted through the bolt installation of the side groove 4.

[0031] The above specific embodiments are only several preferred embodiments of the present application, based on the technical scheme of the present application and the related inspiration of the above embodiments, those skilled in the art can make various alternative improvements and combinations on the above specific embodiments.

[0032] It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and the present application can be realized in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the present application is defined by the appended claims rather than the above description, therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims involved.

Claims

1. A sling anti-skid protection device, comprising a crossbeam (1), a sleeve (2), a support (8), a conical cylinder (12), a conical column (13) and a connecting cylinder (23), characterized in that: The crossbeam (1) is provided with a support (8) above, the support (8) and the crossbeam (1) are provided with the symmetrical distribution of the chain (3), the support (8) is provided with the taper column (13) at the lower end, the crossbeam (1) is provided with the taper cylinder (12) above, the crossbeam (1) is provided with the symmetrical distribution of the sleeve (2) on one side, the sleeve (2) is provided with the chain (6) at one end, the sleeve (2) is internally provided with the stroke slot (10), the stroke slot (10) is internally slidably inserted with the clamping plate (9), the clamping plate (9) is provided with the C-shaped connecting cylinder (23) at one end, the connecting cylinder (23) is provided with the limiting ring (22) on the outer wall, the limiting ring (22) and the sleeve (2) are provided with the spring (21) that is sleeved on the outer side of the connecting cylinder (23).

2. The anti-slip protection device for a lifting tool according to claim 1, characterized in that: The crossbeam (1) is provided with the side groove (4) at both ends, the chain (6) is provided with the mounting plate (20) at one end and is arranged in the side groove (4), and the mounting plate (20) and the side groove (4) are bolted.

3. The anti-slip protection device for a lifting tool according to claim 1, characterized in that: The limiting ring (22) is provided with the handle (14) at the upper end, and the sleeve (2) is provided with the guide rod (19) at one end and is slidably inserted into the connecting cylinder (23).

4. The anti-slip protection device for a lifting tool according to claim 1, characterized in that: The taper cylinder (12) is provided with the supporting ring (18) on the outer wall, and the supporting ring (18) is provided with the spring (7) connected with the crossbeam (1) at the lower end.

5. The anti-slip protection device for a lifting tool according to claim 1, characterized in that: The crossbeam (1) is provided with the symmetrical distribution of the hydraulic rod (5) at the upper end, and the hydraulic rod (5) is provided with the pressing block (15) sleeved on the outer side of the supporting ring (18) at the upper end.

6. The anti-slip protection device for a lifting tool according to claim 4, characterized in that: The crossbeam (1) is provided with the symmetrical distribution of the guide rod (16) at the upper end, and the taper cylinder (12) is internally provided with the symmetrical distribution of the positioning hole (17) and is slidably inserted with the guide rod (16).

7. The anti-slip protection device for a lifting tool according to claim 1, characterized in that: The sleeve (2) is open at the lower end, and the sleeve (2) is internally provided with the clamping groove (11), and the clamping plate (9) is slidably inserted into the clamping groove (11) at one end.

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