CN211769778U

CN211769778U - Special lifting appliance for vertical lifting of steel rail

Info

Publication number: CN211769778U
Application number: CN202020253322.8U
Authority: CN
Inventors: 陈建伟
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-03-04
Filing date: 2020-03-04
Publication date: 2020-10-27
Anticipated expiration: 2030-03-04

Abstract

The utility model discloses a special lifting appliance for vertical hoisting of steel rails, which comprises a clamp, a wedge block, a shackle and a steel wire rope, wherein one end of the steel wire rope is sleeved on the shackle, the shackle is movably connected with the wedge block, the clamp is clamped and matched to be arranged on the steel rail, and the clamp and the steel rail are clamped through the wedge block; the utility model has the advantages that: the lifting appliance is fixedly connected with the steel rail through the clamp and the wedge-shaped block, movably connected with the lifting ring through the shackle, and finally lifted through the shackle and the steel wire rope. The operation of a hanger installer is simple, and the hanger can be quickly put into use; meanwhile, double-clamp and double-insurance can be adopted, and the safety and reliability are high.

Description

Special lifting appliance for vertical lifting of steel rail

Technical Field

The utility model relates to a track construction technical field, concretely relates to be used for rail vertical hoisting special lifting device.

Background

The subway is on time, convenient and fast to travel and large in conveying capacity, so that the subway becomes the preferred transportation means for traveling of most office workers, and is more and more popular with people, subway construction cities are continuously increased, and construction scale is continuously enlarged.

In order to reduce the influence of prophase land acquisition and removal on the construction period of a subway, shorten the later construction time and finish the track laying of the whole subway line in the shortest time, the track laying must be carried out in sections, a run-through section is firstly carried out, and the track laying materials such as steel rails, sleepers and the like are hoisted to stations and tunnels by utilizing shield hoisting holes at the ends of the stations to carry out the construction of a manual scattered track bed; and (3) conventionally hoisting 25m long steel rails to the tunnel, and completing the hoisting by using 2 cranes in cooperation. In fact, when the tunnel is paved with rails, the station auxiliary structure and the professional installation unit are under construction, the site for paving and hoisting the rails is very limited, and the situation that 2 cranes cannot simultaneously stand frequently is encountered, so that the construction of hoisting the steel rails and the track bed is influenced.

The common lifting appliance can only lock the steel rail when the steel rail is horizontally arranged for lifting, the common lifting appliance cannot be used for vertical lifting, the lifting process is easy to slide off, safety accidents occur, the lifting risk is large, and meanwhile, two cranes are parked to occupy a large subway station ground.

Therefore, a special lifting appliance which is suitable for one crane to hoist, occupies a small area, can hoist vertically and has less safety risk needs to be urgently researched and solved.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems existing in the prior art, the utility model provides a special lifting device for vertical hoisting of steel rail, which has reasonable structural design, low cost and economical and practical properties.

The technical scheme of the utility model as follows:

the utility model provides a be used for rail vertical hoisting special lifting device which characterized in that, includes anchor clamps, wedge, shackle and wire rope, wire rope one end cover is on the shackle, swing joint between shackle and the wedge, the cooperation of anchor clamps joint sets up on the rail to carry out the chucking through the wedge between with anchor clamps and the rail.

The special lifting appliance for vertical hoisting of the steel rail is characterized in that the clamp comprises a first clamping foot and a second clamping foot, wherein a shaft hole and a pin hole are respectively formed in the first clamping foot and the second clamping foot, a pin shaft penetrates through the shaft hole, a lock pin is inserted in the pin hole, the first clamping foot and the second clamping foot are movably connected through the pin shaft, the two clamping feet are locked through the lock pin after the steel rail is clamped, and the middle position of the clamp is matched with the steel rail to form a rail groove after the steel rail is locked.

The special lifting appliance for vertically lifting the steel rail is characterized in that the wedge-shaped block comprises a lifting ring and an inclined block, a through hole for shackle installation is formed in the lifting ring, the upper surface of the inclined block is formed into an inclined plane and is tightly matched with the clamp, high and low ends are formed at two ends of the inclined block respectively, and the lifting ring and the inclined block are integrally processed at the low end positions.

The special lifting appliance for vertically lifting the steel rail is characterized in that the shackle comprises a U-shaped piece and a locking screw, and the locking screw penetrates through the U-shaped piece.

The special lifting appliance for vertically lifting the steel rail is characterized in that the upper surface of the rail groove is an inclined surface and is matched with the inclined surface of the wedge-shaped block.

The utility model has the advantages that:

1) the clamp is fixedly connected with the steel rail through the wedge-shaped block, the shackle is movably connected through a through hole in a hoisting ring of the wedge-shaped block, and the steel wire rope hoists the steel rail through the shackle; the lifting appliance is simple to install and operate and can be quickly put into use, and the clamp adopts the lock pin to lock the clamping feet, so that the safety and the reliability are realized; meanwhile, double safety can be adopted by adopting double lifting appliances, and the safety and the reliability are high.

2) Anchor clamps, lockpin and wedge modern design, processing is simple, all can be in the batch production of mill, and the quality assurance is with low costs, and the shackle belongs to the standard component, can follow market direct purchase.

3) The utility model increases the hoisting efficiency by 33 percent by using the special hoisting tool on the basis of the original hoisting equipment, improves the working efficiency and greatly reduces the hoisting cost; and the special lifting appliance only needs 1 crane, thus saving the lifting cost of one crane, reducing the lifting cost by 50 percent, and simultaneously reducing the noise generated by lifting machinery by 50 percent.

4) The utility model discloses can effectual solution subway station ground place little problem, extensive applicability.

Drawings

FIG. 1 is a schematic view of a hoisting installation structure of the present invention;

FIG. 2 is a schematic view of the fixture, wedge and rail mounting structure of the present invention;

FIG. 3 is a schematic view of the front structure of the clamp of the present invention;

fig. 4 is a schematic top view of the clamp of the present invention;

fig. 5 is a schematic view of the front structure of the wedge of the present invention;

fig. 6 is a schematic top view of the wedge block of the present invention;

FIG. 7 is a schematic view of the shackle of the present invention;

FIG. 8 is a schematic view of the locking pin structure of the present invention;

in the figure: 1-crane, 2-sling, 21-clamp, 2101-first clamping foot, 2102-second clamping foot, 2103-shaft hole, 2104-pin hole, 2105-rail groove, 22-wedge block, 2201-oblique block, 2202-hanging ring, 2203-through hole, 23-shackle, 2301-U-shaped part, 2302-locking screw, 24-locking pin, 3-steel wire rope and 4-steel rail.

Detailed Description

The invention is further described with reference to the accompanying drawings.

As shown in fig. 1 to 8, a special lifting appliance for vertical hoisting of a steel rail comprises a clamp 21, a first clamping leg 2101, a second clamping leg 2102, a shaft hole 2103, a pin hole 2104, a rail groove 2105, a wedge block 22, a sloping block 2201, a hanging ring 2202, a through hole 2203, a shackle 23, a U-shaped member 2301, a locking screw 2302, a locking pin 24 and a steel wire rope 3.

The implementation case is as follows:

the special lifting appliance for vertically lifting the steel rail comprises a clamp 21, a wedge block 22, a shackle 23, a lock pin 24 and a steel wire rope 3, wherein one end of the steel wire rope 3 is sleeved on the shackle 23, the shackle 23 is movably connected with the wedge block 22, the clamp 21 is clamped and matched on the steel rail 4, the clamp 21 and the steel rail 4 are clamped through the wedge block 22, finally, the other end of the steel wire rope 3 is hung on a lifting hook of a crane 1, and the crane 1 is used for lifting.

In this embodiment, the clamp 21 includes a first clamping leg 2101 and a second clamping leg 2102, wherein a shaft hole 2103 and a pin hole 2104 are respectively and correspondingly disposed on the first clamping leg 2101 and the second clamping leg 2102, the shaft hole 2103 is provided with a pin shaft, a lock pin 24 is inserted in the pin hole 2104, the first clamping leg 2101 and the second clamping leg 2102 are movably connected through the pin shaft and locked by the lock pin, and a rail groove 2105 is formed at the middle position of the clamp 21 after locking and matched with the rail 4, thereby realizing the fixed connection between the clamp and the rail. In addition, the upper surface of the track slot 2105 is inclined and closely fits the upper surface of the inclined block 2201 of the wedge block 22.

In this embodiment, the wedge block 22 includes a hanging ring 2202 and an inclined block 2201, the hanging ring 2202 is provided with a through hole 2203 for installing the shackle 23, the upper surface of the inclined block 2201 is obliquely arranged, and high and low ends are respectively formed at two ends of the inclined block 2201, and the hanging ring 2202 is arranged at the low end of the inclined block 2201. During installation, the wedge block 22 is flatly placed on the steel rail, the two clamping feet of the clamp are unfolded and sleeved on the wedge block and the rail head of the steel rail, the pin holes of the steel rail are clamped and aligned, the locking pins are inserted and screwed down, the inclined block 2201 is hammered by the hammer, and the rail head of the steel rail is clamped by the clamping feet of the clamp.

In this embodiment, the shackle 23 comprises a U-shaped member 2301 and a locking screw 2302, and the locking screw 2302 passes through one leg of the U-shaped member 2301 and the through hole 2203 on the hanging ring 2202 and is screwed with the other leg of the U-shaped member 2301, so that the shackle is movably connected with the wedge 22.

The construction process comprises the following steps:

the utility model is suitable for a 25 meters long rail vertical hoisting's special lifting device to adopt the form of double clamp, play the effect of dual fail-safe:

the first step is as follows: the steel rail 4 to be hoisted is stacked on the front or side of the wellhead of the station, and if the steel rail is not recommended to be transferred before hoisting at the wellhead, the occupied space caused by hoisting and translating the steel rail 4 is reduced; one end of two lifting steel flies 3 with equal length is sleeved on the shackle 23, and the shackle 23 is connected with the hanging ring 2202 of the wedge-shaped block 22.

The second step is that: the wedge block 22 is placed on the top surface of the steel rail 4 and is placed right, the clamp 21 abuts against the hanging ring 2202 to enable the two clamping legs of the clamp 21 to be spread and sleeved on the wedge block 22 and the rail head of the steel rail 4, the clamping legs are closed, the pin holes are aligned and then inserted with the locking pins to be screwed tightly, the two clamping legs of the clamp 21 are locked, the wedge block 22 is knocked by the hammer, and the clamping legs of the clamp are enabled to clamp the lower surface of the rail head of the steel rail; finally, the bottom of the steel rail 4 is tied with a wind rope.

The third step: the crane 1 is in place, the other end of the steel wire fly 3 is hung on a lifting hook of the crane, the speed is slowed down when the steel rail 4 is lifted, the steel rail 4 is lifted at a constant speed, and the wind-holding rope is tightened before the steel rail 4 is lifted off the ground to prevent the steel rail 4 from swinging off the ground.

The special lifting appliance can successfully solve the problems that the number of the wellhead fields of the subway station is small, a plurality of specialties use the wellhead fields simultaneously, and two cranes do not park the fields.

The utility model discloses broken through the great limitation of rail hoist and mount place demand for the speed of subway construction hoist and mount rail, further improved subway and laid rail construction speed, laid a solid foundation for the subway leads to the car on time, solved the urgent demand of city resident trip early.

Claims

1. The utility model provides a be used for rail vertical hoisting special lifting device, its characterized in that, includes anchor clamps (21), wedge (22), shackle (23) and wire rope (3), wire rope (3) overlap on shackle (23) one end, swing joint between shackle (23) and wedge (22), anchor clamps (21) joint cooperation sets up on rail (4) to carry out the chucking through wedge (22) between with anchor clamps (21) and rail (4).

2. The special lifting appliance for vertical hoisting of the steel rail as claimed in claim 1, wherein the clamp (21) comprises a first clamping leg (2101) and a second clamping leg (2102), the first clamping leg (2101) and the second clamping leg (2102) are respectively provided with a shaft hole (2103) and a pin hole (2104), a pin shaft is arranged in the shaft hole (2103) in a penetrating manner, a lock pin (24) is inserted in the pin hole (2104), the first clamping leg (2101) and the second clamping leg (2102) are movably connected through the pin shaft, the two clamping legs are locked through the lock pin (24) after being clamped, and the middle position of the clamp (21) is matched with the steel rail (4) to form a rail groove (2105) after being locked.

3. The special lifting appliance for vertical lifting of the steel rail as claimed in claim 1, wherein the wedge-shaped block (22) comprises a lifting ring (2202) and an inclined block (2201), a through hole (2203) for installing the shackle (23) is formed in the lifting ring (2202), the upper surface of the inclined block (2201) is provided with an inclined surface and is tightly matched with the clamp (21), high and low ends are respectively formed at two ends of the inclined block, and the lifting ring (2202) and the inclined block (2201) are integrally processed at the low end.

4. The special sling for vertically hoisting steel rails as recited in claim 1, wherein the shackle (23) comprises a U-shaped member (2301) and a locking screw (2302), and the locking screw (2302) is inserted into the U-shaped member (2301).

5. A spreader as claimed in claim 2, wherein the upper surface of the track groove (2105) is inclined and cooperates with the inclined surface of the wedge block (22).