CN219058269U - Hoisting cushion block - Google Patents

Abstract

The utility model belongs to the technical field of hoisting, and discloses a hoisting cushion block. The lifting cushion block comprises a cushion block body and a lock catch, wherein one side of the cushion block body is provided with an L-shaped contact surface, the other side of the cushion block body is provided with an arc-shaped contact surface, the L-shaped contact surface can be abutted against the corner of a member to be lifted, the lock catch comprises a fixing part, a movable part and a locking piece, the fixing part is connected to the cushion block body, the movable part is movably arranged on the fixing part, the movable part can relatively surround the fixing part to form a limiting groove, and a rope for lifting the member to be lifted can penetrate through the limiting groove and is abutted against the arc-shaped contact surface through the locking piece. The arc-shaped contact surface enlarges the bending radius of the rope, protects the rope to ensure that the rope is not easy to wear and break, ensures the hoisting safety, and the arrangement of the lock catch realizes the connection of the cushion block body and the rope, avoids the risk that the cushion block body falls off at high altitude in the hoisting process, and unloads the locking piece after the hoisting is completed, so that the hoisting cushion block is taken down from the rope, and has convenient installation and disassembly and high safety performance.

Description

Hoisting cushion block

Technical Field

The utility model relates to the technical field of hoisting, in particular to a hoisting cushion block.

Background

Hoisting refers to the general term that a crane or a hoisting mechanism installs and positions equipment, and various hoisting machines are used for hoisting the equipment, workpieces, appliances, materials and the like to change the positions of the equipment, the workpieces, the appliances, the materials and the like. Hoisting is often used for hoisting objects with larger weight and volume, such as road and bridge engineering construction, prefabricated beams are often adopted for assembly construction, prefabricated in factories according to design specifications, and then hoisting is carried out to field installation. The hoisting technology greatly saves manpower, improves the construction efficiency and creates convenience for living production.

In the hoisting construction process, in order to protect the rope for hoisting, the rope is prevented from being broken, scrapped or even broken due to stress concentration, and cushion blocks are often required to be placed at corners where the member to be hoisted is contacted with the rope. The traditional conventional cushion block is only simply connected between a member to be hoisted and a rope in a cushioning mode, a connecting structure of the cushion block and the rope is lacked, the cushion block is easily separated from the rope in the hoisting process, the cushion block falls off from the high altitude, and great potential safety hazards exist.

Disclosure of Invention

The utility model aims to provide a hoisting cushion block so as to realize connection with a rope, avoid separation and falling of the hoisting cushion block and the rope in the hoisting process and improve the safety performance.

To achieve the purpose, the utility model adopts the following technical scheme:

hoist and mount cushion includes:

the cushion block comprises a cushion block body, wherein one side of the cushion block body is provided with an L-shaped contact surface, and the other side of the cushion block body is provided with an arc-shaped contact surface, and the L-shaped contact surface can be abutted against the corner of a member to be hoisted;

the lock catch comprises a fixing part, a movable part and a locking piece, wherein the fixing part is connected to the cushion block body, the movable part is movably arranged on the fixing part, the movable part can relatively surround the fixing part to form a limiting groove, the locking piece is used for locking, and a rope for hoisting a member to be hoisted can pass through the limiting groove and is abutted to the arc-shaped contact surface.

Preferably, the cushion block body comprises a first contact plate, a second contact plate and two connecting plates, two ends of each connecting plate are respectively connected with the first contact plate and the second contact plate, two connecting plates are arranged at intervals, the first contact plate is of an L-shaped structure, the side wall, deviating from the second contact plate, of the first contact plate is of an L-shaped contact surface, the second contact plate is of an arc-shaped structure, the side wall, deviating from the first contact plate, of the second contact plate is of an arc-shaped contact surface, and the fixing part is connected to the second contact plate.

Preferably, the cushion block body further comprises a reinforcing plate, and two ends of the reinforcing plate are respectively connected with the corner of the first contact plate and the second contact plate.

Preferably, the lifting cushion block further comprises an anti-slip pad, and the anti-slip pad is attached to the L-shaped contact surface.

Preferably, the L-shaped contact surface is provided with a positioning groove, the bottom of the anti-slip pad is arranged in the positioning groove, and the top of the anti-slip pad protrudes out of the positioning groove.

Preferably, the locking member comprises a screw and a nut matched with the screw, the screw is mounted on the fixed portion, a through hole is formed in the movable portion, and the screw can penetrate through the through hole and is in threaded connection with the nut.

Preferably, the movable part is a flexible semi-ring, the through holes are arranged at intervals along the length direction of the movable part, and the screw is selectively locked on any through hole.

Preferably, the locking member comprises a hoop shell and a worm, the hoop shell is mounted on the fixed portion, a cavity is formed in the hoop shell, one end of the worm is rotatably arranged in the cavity, the other end of the worm is a driving end, the driving end extends out of the cavity, the movable portion is a flexible hoop and is provided with helical teeth thereon, the movable portion can penetrate into the cavity, and the helical teeth are meshed with the worm.

Preferably, one end of the movable part is hinged with the fixed part, and the other end is locked with the fixed part through the locking piece.

Preferably, both ends of the movable portion are locked with the fixed portion through the locking member.

The utility model has the beneficial effects that:

the utility model provides a hoisting cushion block, which comprises a cushion block body and a lock catch, wherein one side of the cushion block body is provided with an L-shaped contact surface, the other side of the cushion block body is provided with an arc-shaped contact surface, the L-shaped contact surface can be abutted against a corner of a member to be hoisted, the stress area of the member to be hoisted during hoisting is increased, and edge collapse or abrasion of the corner of the member to be hoisted due to stress concentration is avoided; the rope for hoisting the member to be hoisted can be abutted against the arc-shaped contact surface, the arc-shaped contact surface enlarges the bending radius of the rope, reduces the stress concentration of the rope, protects the rope from being easily worn and broken, thereby prolonging the service life of the rope and ensuring the hoisting safety; the lock catch comprises a fixing part, a movable part and a locking part, wherein the fixing part is connected to the cushion block body, the movable part is movably arranged on the fixing part, the movable part can relatively surround with the fixing part to form a limiting groove, a rope penetrates through the limiting groove formed by the movable part and the fixing part in a relatively surrounding manner, the movable part and the fixing part are locked through the locking part, so that the cushion block body and the rope cannot be separated from each other, the risk of high-altitude falling of the cushion block body in the lifting process is avoided, the locking part is unlocked after the lifting is completed, the lifting cushion block is taken down from the rope, the installation and the disassembly are convenient, and the safety performance is high.

Drawings

FIG. 1 is a schematic diagram illustrating operation of a lifting pad according to an embodiment of the present utility model;

FIG. 2 is an enlarged view at A in FIG. 1;

FIG. 3 is a schematic view of a structure of a lifting pad according to an embodiment of the present utility model when not in operation;

FIG. 4 is a schematic view of a structure of a lifting pad according to an embodiment of the present utility model in operation;

FIG. 5 is a schematic view of another construction of a lifting pad provided in accordance with an embodiment of the present utility model when not in operation;

FIG. 6 is a schematic view of another construction of a lifting pad according to an embodiment of the present utility model in operation;

fig. 7 is a schematic view of a lifting pad provided in a second embodiment of the present utility model when not in operation;

fig. 8 is a schematic diagram of a lifting pad according to a second embodiment of the present utility model during operation.

In the figure:

1. a cushion block body; 11. a first contact plate; 12. a second contact plate; 13. a connecting plate; 14. a reinforcing plate;

2. locking; 21. a fixing part; 22. a movable part; 23. a locking member; 231. a screw; 232. a nut; 233. a hoop shell; 234. a worm; 24. a limit groove;

3. an anti-slip pad;

100. a member to be hoisted; 200. a rope; 300. and lifting appliance.

Detailed Description

The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present utility model are shown in the drawings.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", and the like are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.

The technical scheme of the utility model is further described below by the specific embodiments with reference to the accompanying drawings.

Embodiment one:

the present embodiment provides a lifting pad, as shown in fig. 1, for assisting in lifting equipment, workpieces, devices, materials, etc. to wait for a lifting member 100, especially for lifting large-scale to-be-lifted members 100, such as objects with larger weight and volume, e.g. containers, precast beams, etc. When the lifting appliance 300 pulls the rope 200 to lift the member to be lifted 100, great stress can be generated at the contact point between the rope 200 and the corner of the member to be lifted 100, and the lifting cushion block can avoid direct contact between the rope 200 and the corner of the member to be lifted 100, prevent the rope 200 from being scrapped or even broken due to stress concentration at the contact point, and also protect the surface of the member to be lifted 100 from being damaged.

The structure of the hoisting cushion block is shown in fig. 2, and the hoisting cushion block comprises a cushion block body 1 and a lock catch 2, wherein one side of the cushion block body 1 is provided with an L-shaped contact surface, the other side of the cushion block body is provided with an arc-shaped contact surface, and the L-shaped contact surface can be abutted against a corner of a member 100 to be hoisted; the lock catch 2 comprises a fixed part 21, a movable part 22 and a locking piece 23, wherein the fixed part 21 is connected to the cushion block body 1, the movable part 22 is movably arranged on the fixed part 21, the movable part 22 can oppositely surround the fixed part 21 to form a limiting groove 24, and a rope 200 for hoisting the member 100 to be hoisted can pass through the limiting groove 24 and is abutted to the arc-shaped contact surface through the locking piece 23.

The L-shaped contact surface of the cushion block body 1 can be abutted against the corner of the member 100 to be hoisted, so that the stress area of the member 100 to be hoisted during hoisting is increased, and edge breakage or abrasion of the corner of the member 100 to be hoisted due to stress concentration is avoided; the rope 200 for hoisting the member 100 to be hoisted can be abutted against the arc-shaped contact surface, the arc-shaped contact surface enlarges the bending radius of the rope 200, reduces the stress concentration of the rope 200, protects the rope 200 from abrasion and fracture, prolongs the service life of the rope 200, and ensures the hoisting safety; the setting of hasp 2 has realized the connection of cushion body 1 and rope 200, and after rope 200 passed the spacing groove 24 that movable part 22 and fixed part 21 relatively encircleed, through retaining member 23 with movable part 22 and fixed part 21 closure to make cushion body 1 and rope 200 can not take place to break away from, avoided the risk that the high altitude of cushion body 1 dropped at the in-process of handling, untied retaining member 23 after the hoist and mount is accomplished, make hoist and mount cushion take off from rope 200, the installation is convenient with the dismantlement, and the security performance is high.

Further, the cushion block body 1 comprises a first contact plate 11, a second contact plate 12 and two connecting plates 13, two ends of each connecting plate 13 are respectively connected with the first contact plate 11 and the second contact plate 12, the two connecting plates 13 are arranged at intervals, the first contact plate 11 is of an L-shaped structure, the side wall, deviating from the second contact plate 12, of the first contact plate 11 is of an L-shaped contact surface, the second contact plate 12 is of an arc-shaped structure, the side wall, deviating from the first contact plate 11, of the second contact plate 12 is of an arc-shaped contact surface, and the fixing part 21 is connected to the second contact plate 12. The connecting plate 13 is used for fixing the relative positions of the first contact plate 11 and the second contact plate 12, and the first contact plate 11, the second contact plate 12 and the connecting plate 13 are connected to form a hollow structure, so that compared with a solid cushion block, the material consumption is reduced, and the device cost is saved.

Further, the pad body 1 further includes a reinforcing plate 14, and both ends of the reinforcing plate 14 are respectively connected to the corner of the first contact plate 11 and the second contact plate 12. The corner of the first contact plate 11 is most likely to deform due to stress concentration, and the reinforcing plate 14 is supported at the corner of the first contact plate 11, so that the deformation of the first contact plate 11 is avoided, and the deformation of the second contact plate 12 due to the pressing of the rope 200 is also avoided. Of course, in other embodiments, a plurality of reinforcing plates 14 may be provided, and the reinforcing plates 14 may be further connected to the connecting plates 13, thereby increasing the strength of the pad body 1 in many ways. In the present embodiment, the second contact plate 12 has a circular arc structure, and the reinforcing plate 14 extends along the radial direction of the second contact plate 12.

Preferably, the first contact plate 11, the second contact plate 12, the connecting plate 13 and the reinforcing plate 14 are all steel plates, and the steel plates have high rigidity and strength, are not easy to damage and deform, and can be recycled for a plurality of times.

Further, the hoisting cushion block further comprises an anti-slip pad 3, the anti-slip pad 3 is attached to the L-shaped contact surface and used for increasing friction force between the hoisting cushion block and the member to be hoisted 100 and preventing potential safety hazards caused by relative sliding of the hoisting cushion block and the member to be hoisted 100 in the hoisting process.

Furthermore, in order to increase the connection between the anti-slip pad 3 and the L-shaped contact surface, the anti-slip pad 3 is prevented from falling off, a positioning groove is formed in the L-shaped contact surface, the bottom of the anti-slip pad 3 is arranged in the positioning groove, and the top of the anti-slip pad 3 protrudes out of the positioning groove.

In this embodiment, as shown in fig. 3 to 6, the locking member 23 includes a screw 231 and a nut 232 adapted to the screw 231, the screw 231 is mounted on the fixed portion 21, a through hole is formed in the movable portion 22, and the screw 231 can pass through the through hole and be screwed with the nut 232. The locking member 23 of this form is simple in structure, good in locking effect, and convenient to install and detach the nut 232.

Alternatively, as shown in fig. 3 and 4, one end of the movable portion 22 is hinged to the fixed portion 21, and the other end is locked to the fixed portion 21 by a locking member 23. Specifically, an arc-shaped groove is formed at one end of the fixed portion 21, which is close to the movable portion 22, and the movable portion 22 has a semi-annular structure. The first hinge hole has been seted up to the one end of fixed part 21, the other end and screw 231 fixed connection, the second hinge hole has been seted up to the one end of movable part 22, the through-hole has been seted up to the other end, first hinge hole and second hinge hole pass through the articulated shaft connection, the rotation connection of movable part 22 and fixed part 21 has been realized, when movable part 22 rotates to with fixed part 21 in the time of, screw 231 passes the through-hole, through nut 232 and screw 231 threaded connection has realized the closure of movable part 22 and fixed part 21.

Alternatively, the movable portion 22 is a rigid half ring, a through hole is formed in the movable portion 22, and when the movable portion 22 is aligned with the fixed portion 21, the area of the limiting groove 24 is fixed. Optionally, the movable portion 22 is a flexible half ring, the through holes are arranged in a plurality along the length direction of the movable portion 22, the screw 231 is selectively locked on any one through hole, and the locked through holes are selected according to the diameter of the rope 200, so as to be suitable for ropes 200 with more various diameters.

Alternatively, as shown in fig. 5 and 6, both ends of the movable portion 22 are locked with the fixed portion 21 by the locking member 23. Specifically, an arc-shaped groove is formed at one end of the fixed portion 21, which is close to the movable portion 22, the movable portion 22 is a rigid semi-ring, both ends of the fixed portion 21 are fixedly connected with the screw 231, both ends of the movable portion 22 are provided with a through hole, and when the movable portion 22 is aligned with the fixed portion 21, the area of the limiting groove 24 can be changed through the alignment interval between the movable portion 22 and the fixed portion 21, so that the limiting groove is adapted to ropes 200 with different diameters.

When the hoisting work is carried out, the hoisting cushion block is placed at the corner of the hoisting position of the member 100 to be hoisted, the rope 200 winds the member 100 to be hoisted and passes through the limit groove 24 of the hoisting cushion block to be abutted on the arc-shaped contact surface of the hoisting cushion block, and the rope 200 is in a loosening state; when the hoisting is ready, the movable part 22 is locked with the fixed part 21 through the locking part 23, so that the hoisting cushion block and the rope 200 cannot be separated and fall off in the hoisting process; when the hoisting is carried out to a designated place and the rope is ready to fall, the hoisting cushion block is connected to the rope 200, and can only slide along the rope 200 without falling, so that the locking piece 23 is required to be unlocked by a worker to be taken down, and the hoisting safety is ensured.

Embodiment two:

the present embodiment provides a lifting pad, wherein the same or corresponding parts as those in the first embodiment are denoted by the same reference numerals as those in the first embodiment. For simplicity, only the points of distinction between the second embodiment and the first embodiment are described:

in this embodiment, as shown in fig. 7 and 8, the locking member 23 includes a collar shell 233 and a worm 234, the collar shell 233 is mounted on the fixed portion 21, a cavity is provided in the collar shell 233, one end of the worm 234 is rotatably disposed in the cavity, the other end is a driving end, the driving end extends out of the cavity, the movable portion 22 is a flexible strap, helical teeth are disposed thereon, the movable portion 22 can penetrate into the cavity, and the helical teeth are engaged with the worm 234. The movable part 22 is fixed through the engagement of the worm 234 and the helical teeth, and when the worm 234 is rotated, the worm 234 drives the movable part 22 to move, so that the movable part 22 continuously penetrates into or out of the hoop shell 233, thereby changing the size of the limit groove 24 and adapting to ropes 200 with different diameters.

The combination of the fixed portion 21, the movable portion 22, the collar 233 and the worm 234 is similar to the prior art collar structure, which is torque balanced and tightly locked. The mating steps and locking principle of the ferrule housing 233 and the flexible ferrule are conventional in the art and will not be described in detail herein.

Further, the end face of the driving end of the worm 234 is provided with a cross groove or a straight groove, so that the worm 234 can be rotated by using a screwdriver, and convenience is provided for a user to rotate the worm 234.

Preferably, one end of the movable portion 22 is hinged to the fixed portion 21, and the other end is locked to the fixed portion 21 by a locking member 23. Because the size of the limit groove 24 can be changed by using one locking piece 23 in the embodiment, one end of the movable portion 22 is hinged with the fixed portion 21, the hinged connection mode is simple and firm, the other end is locked with the fixed portion 21 through the locking piece 23, the length of the movable portion 22 can be adjusted, the connection mode is lower than the connection mode of locking the two ends of the movable portion 22 with the fixed portion 21 through the locking piece 23, the device cost is saved, and the same technical effect can be achieved.

It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Various obvious changes, rearrangements and substitutions can be made by those skilled in the art without departing from the scope of the utility model. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims (10)

1. Hoist and mount cushion, its characterized in that includes:

the cushion block comprises a cushion block body (1), wherein one side of the cushion block body (1) is provided with an L-shaped contact surface, the other side of the cushion block body is provided with an arc-shaped contact surface, and the L-shaped contact surface can be abutted against a corner of a member (100) to be hoisted;

the lock catch (2) comprises a fixing part (21), a movable part (22) and a locking piece (23), wherein the fixing part (21) is connected to the cushion block body (1), the movable part (22) is movably arranged on the fixing part (21), the movable part (22) can relatively surround the fixing part (21) to form a limiting groove (24), and the rope (200) of the member to be hoisted (100) is locked by the locking piece (23), and can pass through the limiting groove (24) and be abutted to the arc-shaped contact surface.

2. The hoisting cushion block according to claim 1, wherein the cushion block body (1) comprises a first contact plate (11), a second contact plate (12) and two connecting plates (13), two ends of each connecting plate (13) are respectively connected with the first contact plate (11) and the second contact plate (12), the two connecting plates (13) are arranged at intervals, the first contact plate (11) is of an L-shaped structure, the side wall, deviating from the second contact plate (12), of the first contact plate (11) is of an L-shaped contact surface, the second contact plate (12) is of an arc-shaped structure, the side wall, deviating from the first contact plate (11), of the second contact plate (12) is of an arc-shaped contact surface, and the fixing part (21) is connected with the second contact plate (12).

3. The lifting pad according to claim 2, characterized in that the pad body (1) further comprises a reinforcing plate (14), both ends of the reinforcing plate (14) being connected with the corner of the first contact plate (11) and the second contact plate (12), respectively.

4. The lifting pad according to claim 1, further comprising a non-slip mat (3), the non-slip mat (3) being attached to the L-shaped contact surface.

5. The hoisting cushion according to claim 4, wherein a positioning groove is formed in the L-shaped contact surface, the bottom of the anti-slip pad (3) is arranged in the positioning groove, and the top of the anti-slip pad (3) protrudes out of the positioning groove.

6. The hoisting cushion block according to claim 1, wherein the locking piece (23) comprises a screw (231) and a nut (232) matched with the screw (231), the screw (231) is installed on the fixed portion (21), a through hole is formed in the movable portion (22), and the screw (231) can penetrate through the through hole and is in threaded connection with the nut (232).

7. The lifting cushion block according to claim 6, wherein the movable portion (22) is a flexible half ring, the through holes are arranged at intervals along the length direction of the movable portion (22), and the screw (231) is selectively locked on any one through hole.

8. The lifting cushion block according to claim 1, wherein the locking piece (23) comprises a hoop shell (233) and a worm (234), the hoop shell (233) is mounted on the fixed portion (21), a cavity is formed in the hoop shell (233), one end of the worm (234) is rotatably arranged in the cavity, the other end of the worm is a driving end, the driving end extends out of the cavity, the movable portion (22) is a flexible hoop, helical teeth are arranged on the flexible hoop, the movable portion (22) can penetrate into the cavity, and the helical teeth are meshed with the worm (234).

9. The lifting pad according to any one of claims 1-8, characterized in that one end of the movable part (22) is hinged to the fixed part (21) and the other end is locked to the fixed part (21) by the locking member (23).

10. The lifting pad according to any one of claims 1-8, characterized in that both ends of the movable part (22) are locked with the fixed part (21) by means of the locking member (23).

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