CN215711248U

CN215711248U - Portable hoisting device

Info

Publication number: CN215711248U
Application number: CN202121451708.0U
Authority: CN
Inventors: 祁玉勰; 陈玉兵; 张�雄
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-06-29
Filing date: 2021-06-29
Publication date: 2022-02-01
Anticipated expiration: 2031-06-29

Abstract

The utility model discloses a portable hoisting device which comprises a supporting rod and a suspension arm mounting seat, wherein the supporting rod is connected with a fixing device, the suspension arm mounting seat is detachably connected with the supporting rod, a suspension arm is connected onto the suspension arm mounting seat, one end of the suspension arm is provided with a hand winch, the other end of the suspension arm is provided with a pulley mechanism, a rope is arranged on the pulley mechanism, one end of the rope is connected with the hand winch, and the other end of the rope is connected with a lifting hook. The hoisting device is convenient to carry, is driven by manpower, does not need electric power support, solves the problem that hoisting operation is difficult to carry out in a field power-free environment, can ensure normal hoisting operation, saves time, increases the working efficiency, has good service performance and high working reliability, greatly reduces the operation time consumption, can improve the labor production efficiency, and saves the labor cost for enterprises.

Description

Portable hoisting device

Technical Field

The utility model belongs to the technical field of hoisting equipment, and particularly relates to a portable hoisting device.

Background

The hoisting operation is a common mode of daily maintenance and repair of railway bridge equipment, and in the process of maintenance and repair of bridges, particularly long bridges, due to limited material transportation conditions, materials are mostly hoisted, most of the existing hoists adopt electric hoists which need power supplies, the power supplies are troublesome to access, and hoisting operators need to carry tools such as generators, power lines, electric hoists, lifting ropes and the like by adopting generators, so that the transport and the assembly are inconvenient; also adopt artifical direct hoist and mount, the intensity of labour of artifical hoist and mount is big, and the operating efficiency is low, and safety can not be ensured, moreover very big degree the extravagant physical stamina and operating time of personnel, especially the operation in winter, the operation is more troublesome hard, injures the trick easily moreover.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a portable hoisting device, which solves the problems that an electric hoist is inconvenient to carry, high in labor intensity of manual hoisting, low in operation efficiency and incapable of guaranteeing safety in hoisting in the prior art.

In order to achieve the purpose, the utility model adopts the following technical scheme: the utility model provides a portable hoisting device, includes bracing piece and davit mount pad, the bracing piece is connected with fixing device, the davit mount pad can be dismantled with the bracing piece and be connected, is connected with the davit on the davit mount pad, the one end of davit is equipped with hand capstan winch, and the other end of davit is equipped with pulley mechanism, the last rope that is equipped with of pulley mechanism, the one end and the hand capstan winch of rope are connected, and the other end of rope is connected with the lifting hook.

As an alternative of the present invention, the suspension arm mounting seat is provided with a fixing nut, one end of the support rod is provided with an external thread, and the external thread is matched with an internal thread of the fixing nut.

As an alternative of the utility model, the boom mounting seat comprises a first limiting plate and a second limiting plate, a plurality of fixing nuts are arranged between the first limiting plate and the second limiting plate, the first limiting plate and the second limiting plate are both provided with a plurality of mounting holes, and the mounting holes are provided with connecting pieces for connecting the boom.

As an alternative of the utility model, the connecting piece comprises a connecting bolt and a connecting nut, and the connecting bolt penetrates through the first limiting plate, the suspension arm and the second limiting plate and then is connected with the connecting nut.

As an alternative of the present invention, the pulley mechanism includes a fixed pulley and a fixed seat, the fixed pulley is mounted on the fixed seat, and the fixed seat is connected with the suspension arm in a sliding manner.

As an alternative of the present invention, the fixing base includes a fixing rod, one end of the fixing rod is connected to the fixed pulley, and the other end of the fixing rod is slidably sleeved to the suspension arm.

As an alternative of the utility model, the hand winch comprises a winch body arranged on the suspension arm, a rope is wound on the winch body, and the winch body is provided with a rocker for driving the winch body to rotate.

As an alternative of the utility model, the rope is a steel wire rope.

As an alternative of the present invention, the fixing device includes a horizontal clamping member and a vertical clamping member, and the horizontal clamping member and the vertical clamping member are both fixed on the support rod.

As an alternative of the utility model, the transverse clamping member and the longitudinal clamping member each comprise a U-shaped clamping plate, which is welded to the surface of the support bar, and which is provided with a locking bolt.

The utility model has the beneficial effects that:

the utility model provides a portable hoisting device, wherein one end of a suspension arm is provided with a hand winch, the other end of the suspension arm is provided with a pulley mechanism, a rope is arranged on the pulley mechanism, one end of the rope is connected with the hand winch, and the other end of the rope is connected with a lifting hook. The hoisting device is convenient to carry, is driven by manpower, does not need electric power support, solves the problem that hoisting operation is difficult to carry out in a field power-free environment, can ensure normal hoisting operation, saves time, increases the working efficiency, has good service performance and high working reliability, greatly reduces the operation time consumption, can improve the labor production efficiency, and saves the labor cost for enterprises. The utility model effectively solves the problems of inconvenient carrying and assembly caused by the fact that tools such as a generator, a power line, an electric hoist, a lifting rope and the like need to be carried in the hoisting process of the electric hoist in the prior art, and the problems of high labor intensity, low operation efficiency, incapability of guaranteeing safety and easiness in damaging hands and feet in the manual hoisting process.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic diagram of a boom mount according to an embodiment of the present invention;

in the figure: 1-a support bar; 2-a suspension arm; 3-a rope; 4-a hook; 5-fixing the nut; 6-a first limiting plate; 7-a second limiting plate; 8-mounting holes; 9-a connector; 10-a fixed pulley; 11-a fixing bar; 12-a capstan body; 13-a rocker; 14-a cross clamp; 15-longitudinal clamp.

Detailed Description

Examples

As shown in fig. 1 and fig. 2, this embodiment provides a portable hoisting device, including bracing piece 1 and davit mount pad, bracing piece 1 is connected with fixing device, and fixing device is used for being connected with the bridge railing to fix hoisting device on the bridge railing, be convenient for hoist and mount operation. The davit mount pad can be dismantled with bracing piece 1 and be connected, its dismouting of being convenient for hoist device. Be connected with davit 2 on the davit mount pad, the one end of davit 2 is equipped with hand capstan winch, and the other end of davit 2 is equipped with pulley mechanism, the last rope 3 that is equipped with of pulley mechanism, the one end and the hand capstan winch of rope 3 are connected, and the other end of rope 3 is connected with lifting hook 4. The winding of 3 one ends of rope is on hand winch, and the 3 other ends of rope pass pulley mechanism and are connected with lifting hook 4, set up the material that needs the hoist and mount on lifting hook 4, through manual hand winch that rotates, make rope 3 withdraw gradually, and lifting hook 4 takes the material to rise, realizes the hoist and mount operation to the material.

Most of the existing hoists adopt electric hoists, but the electric hoists need a power supply, the power supply is troublesome to access, and hoisting operators need to carry tools such as the generator, a power line, the electric hoists, a lifting rope and the like by adopting the generator, so that the transporting and the assembling are inconvenient; the labor intensity of manual hoisting is large, the operation efficiency is low, the safety cannot be guaranteed, the physical ability and the working time of personnel are wasted to a great extent, particularly, the operation in winter is more troublesome and laborious, and hands and feet are easy to be injured. Compared with the traditional electric hoist and manual hoisting, the electric hoist has the advantages of good service performance, simplicity in operation and convenience in carrying, can improve the labor production efficiency, greatly reduces the operation time consumption, and saves the labor cost for enterprises; and the hoisting device is simple to assemble and maintain, does not need to use a power supply, has fewer carrying tools, saves labor and material cost (fuel oil), and creates good working conditions for the construction of the railway bridge.

In some embodiments, the boom mounting base is provided with a fixing nut 5, and one end of the support rod 1 is provided with an external thread which is matched with an internal thread of the fixing nut 5. The suspension arm mounting seat and the support rod 1 are in threaded connection, so that the suspension arm mounting seat is more convenient to disassemble, assemble and maintain, and is favorable for carrying and transporting the hoisting device.

As shown in fig. 2, in some embodiments, the boom mounting base includes a first limiting plate 6 and a second limiting plate 7, two fixing nuts 5 are disposed between the first limiting plate 6 and the second limiting plate 7, and the fixing nuts 5 are fixed to the first limiting plate 6 and the second limiting plate 7 by welding. The first limiting plate 6 and the second limiting plate 7 are both provided with a plurality of mounting holes 8, and the mounting holes 8 are provided with connecting pieces 9 used for connecting the suspension arms 2. The suspension arm 2 is a square tube, is clamped between the first limiting plate 6 and the second limiting plate 7, and is fixed to the square tube through the connecting piece 9, so that the hoisting operation is facilitated.

Specifically, the connecting piece 9 includes a connecting bolt and a connecting nut, and the connecting bolt penetrates through the first limiting plate 6, the suspension arm 2 and the second limiting plate 7 and then is connected with the connecting nut. The first limiting plate 6 and the second limiting plate 7 are both provided with a plurality of mounting holes 8, and two of the mounting holes 8 are selected to be used for connecting the suspension arm 2, so that the position of the suspension arm 2 can be conveniently adjusted, such as the pitch angle of the suspension arm 2.

In some embodiments, the pulley mechanism includes a fixed pulley 10 and a fixed seat, the fixed pulley 10 is mounted on the fixed seat, and the fixed seat is connected with the suspension arm 2 in a sliding manner. The rope 3 passes through the fixed pulley 10 and is connected with the lifting hook 4, and preferably, the rope 3 is a steel wire rope, so that the working stability of the hoisting device is improved. Because the fixing seat is connected with the suspension arm 2 in a sliding manner, a user can adjust the position of the fixed pulley 10, and the hoisting operation can be completed better.

In some embodiments, the fixing base includes a fixing rod 11, one end of the fixing rod 11 is connected to the fixed pulley 10, and the other end of the fixing rod 11 is slidably sleeved with the boom 2. The size of the fixing rod 11 is slightly smaller than that of the suspension arm 2, and the fixing rod 11 can extend into the suspension arm 2 and can slide along the suspension arm 2, so that the function of adjusting the position of the fixed pulley 10 is realized.

In some embodiments, the hand winch comprises a winch body 12 installed on the boom 2, the winch body 12 is fixed on the boom 2 by bolts, the rope 3 is wound on the winch body 12, the winch body 12 is provided with a rocker 13 for driving the winch body to rotate, and a user holds the rocker 13 and drives the winch body 12 to rotate, so that the material on the hook 4 is controlled to lift. The hoisting device can be operated by one person, is convenient to carry and labor-saving to operate, the winch body 12 is additionally provided with a self-locking function, the winch body is prevented from falling off during hoisting, the manufacturing cost is low, the use is convenient and fast, and the hoisting working efficiency is improved. The hoisting device is mainly applied to bridge hoisting operation and can also be used as tools for hoisting other professional articles.

In some embodiments, the fixing device comprises a horizontal clamping member 14 and a vertical clamping member 15, and both the horizontal clamping member 14 and the vertical clamping member 15 are fixed on the support rod 1. Horizontal holder 14 and indulge holder 15 and all weld on bracing piece 1 surface, and horizontal holder 14 cliies the horizontal railing of bridge, indulges holder 15 and cliies the vertical railing of bridge for fixed state is guaranteed to hoist device's bracing piece 1. Specifically, horizontal holder 14 and vertical holder 15 all include the grip block of U-shaped, the grip block welding is on bracing piece 1 surface, and the grip block sets and sets the locking bolt. After the clamping plate clamps the railing of the bridge, the clamping plate is locked and fixed by using a locking bolt machine type, and the working stability of the hoisting device is guaranteed.

The hoisting device is convenient to carry, is driven by manpower, does not need electric power support, solves the problem that hoisting operation is difficult to carry out in a field non-power-consumption environment, can ensure normal hoisting operation, save time, increase working efficiency, has good service performance and high working reliability, greatly reduces the operation time consumption, can improve the labor production efficiency, saves labor cost for enterprises, and effectively solves the problems that in the prior art, the hoisting of an electric hoist needs to carry tools such as a generator, a power line, the electric hoist, a lifting rope and the like, the carrying and the assembling are inconvenient, the manual hoisting has high labor intensity, the working efficiency is low, the safety cannot be guaranteed, and hands and feet are easily damaged.

In the description of the present invention, the terms "mounted," "connected," "fixed," and the like are to be understood broadly and may be fixedly connected, detachably connected, or integrated; may be a mechanical or electrical connection; either directly or indirectly through intervening media, either internally or in any other relationship. Those skilled in the art will understand the specific meaning of the above terms in the present invention. Furthermore, the particular features, structures, etc. described in the examples can be included in at least one implementation and can be combined by one skilled in the art without conflicting therewith. The protection scope of the present invention is not limited to the above specific examples, and embodiments that can be imagined by those skilled in the art without creative efforts based on the basic technical concept of the present invention belong to the protection scope of the present invention.

Claims

1. The utility model provides a portable hoisting device, its characterized in that, includes bracing piece (1) and davit mount pad, bracing piece (1) is connected with fixing device, the davit mount pad can be dismantled with bracing piece (1) and be connected, is connected with davit (2) on the davit mount pad, the one end of davit (2) is equipped with hand capstan winch, and the other end of davit (2) is equipped with pulley mechanism, the last rope (3) that is equipped with of pulley mechanism, the one end and the hand capstan winch of rope (3) are connected, and the other end of rope (3) is connected with lifting hook (4).

2. The portable hoisting device of claim 1, wherein the boom mounting base is provided with a fixing nut (5), and one end of the support rod (1) is provided with an external thread which is matched with an internal thread of the fixing nut (5).

3. The portable hoisting device according to claim 2, wherein the boom mounting seat comprises a first limiting plate (6) and a second limiting plate (7), a plurality of fixing nuts (5) are arranged between the first limiting plate (6) and the second limiting plate (7), a plurality of mounting holes (8) are arranged on the first limiting plate (6) and the second limiting plate (7), and the mounting holes (8) are provided with connecting pieces (9) for connecting the boom (2).

4. The portable hoisting device according to claim 3, wherein the connecting member (9) comprises a connecting bolt and a connecting nut, and the connecting bolt penetrates through the first limiting plate (6), the boom (2) and the second limiting plate (7) and then is connected with the connecting nut.

5. The portable hoisting device according to claim 1, wherein the pulley mechanism comprises a fixed pulley (10) and a fixed seat, the fixed pulley (10) is mounted on the fixed seat, and the fixed seat is connected with the boom (2) in a sliding manner.

6. The portable hoisting device of claim 5, wherein the fixing seat comprises a fixing rod (11), one end of the fixing rod (11) is connected with the fixed pulley (10), and the other end of the fixing rod (11) is slidably sleeved with the suspension arm (2).

7. Portable hoisting device according to claim 1, characterized in that the hand winch comprises a winch body (12) mounted on the boom (2), on which winch body (12) the rope (3) is wound, the winch body (12) being provided with a rocker (13) driving it in rotation.

8. Portable lifting device according to claim 1, characterised in that the rope (3) is a wire rope.

9. Portable lifting device according to claim 1, characterized in that the fixing means comprise a transverse clamp (14) and a longitudinal clamp (15), both the transverse clamp (14) and the longitudinal clamp (15) being fixed on the support bar (1).

10. Portable lifting device according to claim 9, characterised in that the transverse (14) and longitudinal (15) clamping members each comprise a U-shaped clamping plate welded to the surface of the support bar (1) and provided with locking bolts.