CN220246582U

CN220246582U - Rail lifting device

Info

Publication number: CN220246582U
Application number: CN202322219150.9U
Authority: CN
Inventors: 孟繁洁; 孟庆梁; 韩宇; 王红军
Original assignee: Zibo Jiexiang Electromechanical Technology Development Co ltd
Current assignee: Zibo Jiexiang Electromechanical Technology Development Co ltd
Priority date: 2023-08-17
Filing date: 2023-08-17
Publication date: 2023-12-26
Anticipated expiration: 2033-08-17

Abstract

A steel rail lifter belongs to the technical field of railway construction. The method is characterized in that: the hydraulic lifting device is fixed on the upper side of the fixed seat, the steel rail clamp is located on the lower side of the fixed seat in a lifting mode, the steel rail clamp comprises two clamping blocks (7) which are oppositely arranged and can be opened and closed, the upper ends of the two clamping blocks (7) are rotatably connected with the hydraulic lifting device, and clamping claws are oppositely arranged at the lower ends of the two clamping blocks (7). In this rail is carried and is drawn ware, through setting up hydraulic pressure and carry and draw ware and rotate the rail clamp of being connected with hydraulic pressure and carry and draw the rail, can make full use of skylight point time, accomplish more construction operations to for the mode that the crow bar promoted, improved the security of operation greatly. Two clamp blocks in the rail clamp are opened by virtue of the pull rod, are closed by self gravity and clamp the rail from two sides, and have the advantages of simple structure and high reliability.

Description

Rail lifting device

Technical Field

A steel rail lifter belongs to the technical field of railway construction.

Background

When the rail temperature of the seamless railway line is not consistent with the technical requirements, the stress relief operation of the rail is required to be implemented on the railway line, and the stress relief operation of the rail is required to place a roller between the bottom of the rail and the sleeper, so that the rail is separated from the sleeper to restrict the rail, and is in a free state completely free from the sleeper restriction force. When a small-size horizontal error occurs on the upper plane of a railway line rail, backing plates with different thicknesses are required to be placed between the bottom of the rail and a sleeper so as to ensure the size requirement and the operation quality of small-size horizontal adjustment operation, lifting of the rail is required to be implemented in the operation process of the operations, when the stress of the rail is required to be released or the backing plates are required to be operated, the rail is required to be lifted so as to release the stress of the rail, or the backing plates are required to be placed below the rail so as to adjust the levelness of the rail, corresponding construction operation is required to be completed by equipment capable of lifting the rail to a certain height, the operation is required to be convenient to go up and down, and the operation is performed in a skylight point allowing construction.

In the prior art, the following two main ways are adopted for realizing the steel rail lifting: (1) The mechanical or hydraulic track jack adopting the top track bottom mode is inconvenient in operation and low in working efficiency, and does not meet the operation requirement of efficiently working by fully utilizing the time of a skylight point because the top track bottom track jack needs to clear out a space capable of placing the track jack before placing tools on the track bottom. And (2) a crow bar is adopted. Besides the use of the runner, the lifting of the steel rail can be realized by manually prying the steel rail by using a pry bar. However, the steel rail is pried by adopting a manual prying bar mode, the roller or the backing plate is placed between the rail bottom and the sleeper, at least three persons are required to be matched to finish the process, the two persons use the prying bar to pry the steel rail, one person places the roller or the backing plate between the rail bottom and the sleeper, the operation mode is faster than the operation mode by using the runner, but three persons are required to be matched to operate, the waste of human resources is caused to a certain extent, and the operation mode of manually prying the steel rail by using the prying bar is very easy to cause injury to the person placing articles below the steel rail if the slippage of the prying bar occurs in the operation process, so that the operation mode has great potential safety hazard.

According to the requirement that railway construction must be safe, the above stress relief and pad work must be performed within a "skylight point" that allows railway construction, and since the skylight point is a construction time specially scheduled for various railway constructions by stopping the train operation, the skylight point time is very precious, and a rapid working means must be used to improve the construction efficiency.

Disclosure of Invention

The utility model aims to solve the technical problems that: the rail puller has the advantages of overcoming the defects of the prior art, being simple in structure and convenient to operate, and achieving convenient and quick rail pulling to fully utilize skylight point time and complete more construction operations.

The technical scheme adopted for solving the technical problems is as follows: this rail draws ware, its characterized in that: the hydraulic lifting device is fixed on the upper side of the fixed seat, the steel rail clamp is located on the lower side of the fixed seat in a lifting mode, the steel rail clamp comprises two clamping blocks which are oppositely arranged and can be opened and closed, the upper ends of the two clamping blocks are rotatably connected with the hydraulic lifting device, and clamping claws are oppositely arranged at the lower ends of the two clamping blocks. No fixing seat in the part drawing

Preferably, the fixing base comprises an upper platform which is horizontally arranged and upright posts which are obliquely arranged at four corners of the bottom of the upper platform, the hydraulic lifting device is positioned at the upper side of the upper platform, and the steel rail clamp is positioned at the lower side of the upper platform.

Preferably, the hydraulic lifter comprises a cylinder body and a piston rod which is hydraulically driven to extend and retract in the cylinder body, and the bottom of the piston rod is fixed in the middle of the upper platform.

Preferably, a lifting shaft sleeve is sleeved outside the cylinder body, the cylinder body is connected with the lifting shaft sleeve through threads, at least one side of the lifting shaft sleeve is rotationally connected with a lifting plate, and the lower end of the lifting plate is rotationally connected with the upper ends of the two clamping blocks after extending to the lower part of the upper platform.

Preferably, a pull rod is rotatably mounted at the outer ends of the two clamping blocks, respectively.

Preferably, the top of the pull rod extends to the upper side of the fixing seat, and a pull ring is fixed on the pull rod.

Preferably, the end part of the pull rod is rotatably connected with a hinged plate, and the pull rod is fixed at the top of the hinged plate.

Compared with the prior art, the utility model has the following beneficial effects:

in this rail is carried and is drawn ware, through setting up hydraulic pressure and carry the ware through carrying the rail clamp that the pulling plate rotated and be connected with hydraulic pressure, implement and put this rail and carry out the operation mode of carrying out pulling operation to the rail with this rail and draw ware on the sleeper directly, can very convenient realization carry the pulling to the rail, make produce sufficient space that can place required parts between rail bottom and the sleeper, with accomplish the operation that rail stress diffuses the operation and place the cylinder between rail bottom and sleeper, and the backing plate operation of daily adjustment rail horizontal operation, because this rail is carried and is drawn ware and is a very light small-size operation machines, consequently can very convenient going up and down. Compared with the traditional manual rail lifting device for lifting the steel rail by using the crowbar, the rail lifting device for lifting the steel rail by using the top rail bottom has the characteristics of high operation speed, high safety coefficient in the operation process, convenience in ascending and descending and the like, can more effectively utilize the skylight point time to finish more construction operations aiming at the requirement that the current railway maintenance operation can only be performed in a specified skylight point, reduces the operation efficiency to one person by three persons compared with the operation mode of manually lifting the steel rail by using the crowbar, can completely eliminate the potential safety hazard of the operation and ensures the safety of the operation.

In this rail draws ware, two clamp splice in the rail clamp rely on the pull rod to realize closing and centre gripping rail's chin from both sides through self gravity, have simple structure, the advantage that the reliability is high.

Drawings

Fig. 1 is a front view of a rail puller.

Fig. 2 is a schematic view of fig. 1 omitted from the first connection plate.

Fig. 3 is an isometric view of fig. 2.

Fig. 4-6 are schematic views of the use process of the steel rail lifter.

Wherein: 1. the lifting device comprises a cylinder body 2, a compression bar 3, a lifting plate 4, a lifting shaft sleeve 5, a piston rod 6, a pull ring 7, a clamping block 8, an upper platform 9, a hinged plate 10, a stand column 11, a pull rod 12, a first connecting plate 13, a second connecting plate 14, a steel rail 15 and a sleeper.

Detailed Description

Fig. 1 to 6 are diagrams illustrating preferred embodiments of the present utility model, and the present utility model is further described below with reference to fig. 1 to 6.

As shown in fig. 1-3, a steel rail puller comprises a fixing seat, wherein the fixing seat comprises an upper platform 8 which is horizontally arranged, and four corners of the bottom of the upper platform 8 are respectively and obliquely fixed with a stand column 10. Two upright posts 10 arranged along the length direction of the upper platform 8 are connected through a first connecting plate 12 on the front side and the rear side of the upper platform 8, and two upright posts 10 arranged along the width direction of the upper platform 8 on the left side and the right side of the upper platform 8 are respectively connected through a second connecting plate 13.

The surface of the upper platform 8 is provided with an oil cylinder, and the oil cylinder is realized by a manual vertical hydraulic rod known in the art and comprises a cylinder body 1 and a piston rod 5 arranged in the cylinder body 1, wherein the lower end surface of the piston rod 5 is fixedly arranged at the central part of the upper platform 8. The top of the cylinder body 1 is provided with the compression bar 2, and the piston rod 5 is output from the cylinder body 1 by continuously pressing the compression bar 2, so that the structure and the principle are the same as those of the prior art, and the description is omitted here.

A lifting shaft sleeve 4 is arranged at the lower part of the cylinder body 1, and the lifting shaft sleeve 4 is sleeved on the outer ring of the cylinder body 1 and is coaxially fixed with the cylinder body 1. The lifting shaft sleeve 4 and the cylinder body 1 can be fixed in a plurality of modes known in the art, in the steel rail lifting device, the lifting shaft sleeve 4 and the cylinder body 1 are connected in a threaded mode, and meanwhile, the height of the lifting shaft sleeve 4 on the surface of the cylinder body 1 is adjusted so as to adapt to the use requirements of different rail types.

A plurality of through holes penetrating through the upper surface and the lower surface of the upper platform 8 are formed around the upper platform 8 and used for reducing the weight and penetrating through the lifting plates 3 and the pull rods 11, the front side and the rear side of the lifting shaft sleeve 4 are respectively hinged with one lifting plate 3, and the lifting plates 3 on the front side and the rear side respectively penetrate through the corresponding through holes and then extend to the lower part of the upper platform 8.

The lower part of the upper platform 8 is provided with a steel rail clamp with an open bottom, the steel rail clamp comprises two clamping blocks 7 which are oppositely arranged, the bottom of each clamping block 7 is provided with a claw, and the claws at the bottoms of the two clamping blocks are oppositely arranged. The inboard tip of two clamp splice 7 articulates through the articulated shaft, and the front and back both ends of articulated shaft protrude respectively in the front and back surface of two clamp splice 7, and behind the lifting plate 3 of front and back both sides extended to the lower part of upper platform 8, be located the front and back both sides of clamp splice 7 respectively, and the lower extreme of lifting plate 3 is rotated with the front and back both ends of articulated shaft respectively and is connected.

The outer side ends of the two clamping blocks 7 are respectively and movably connected with a hinged plate 9, the hinged plate 9 is U-shaped, and the opening ends of the hinged plates are respectively positioned at the front side and the rear side of the clamping blocks 7 and are rotationally connected through a hinged shaft penetrating through the clamping blocks 7. A pull rod 11 is fixed on the top of the hinged plate 9, the top of the pull rod 11 extends upwards and passes through a through hole on the surface of the upper platform 8 to extend above the upper platform 8, and pull rings 6 are respectively arranged on the tops of the two pull rods 11.

The specific working process and working principle are as follows:

the pull rings 6 on the two sides are pulled by the hands of a worker respectively to lift the steel rail puller, the clamping jaws at the bottoms of the two clamping blocks 7 are in an open state as shown in fig. 4 under the action of the corresponding pull rings 6, and the distance between the openings at the bottoms of the two clamping blocks 7 is larger than the width of the top of the steel rail 14.

When a worker transfers the rail puller to the position of the rail 14 to be lifted by pulling the pull rings 6 on two sides, which is the position where the sleeper fastening bolts are loosened or removed, the rail puller is placed right above the rail 14, at the moment, four upright posts 10 are respectively positioned on the surface of the sleeper 15 on the lower part of the rail 14, then the pull rings 6 on two sides are respectively released by two hands, after the pull rings 6 on two sides are released, the pull force exerted on the two clamping blocks 7 by the pull rings 6 on two sides through the pull rods 11 disappears, and as the tops of the two clamping blocks 7 are hinged through the hinge shafts, the clamping blocks 7 on two sides rotate around the hinge shafts on the tops under the action of the respective gravity until the bottoms of the clamping blocks 7 on two sides are gradually folded, and after the bottoms of the clamping blocks 7 on two sides are folded, the clamping blocks on the bottoms of the two sides are respectively clamped on the lower jaw positions on the two sides of the rail 14, as shown in fig. 5.

At this time, the staff continuously presses the dynamic pressure rod 2, the piston rod 5 is output from the cylinder body 1, the bottom of the piston rod 5 is fixedly connected with the upper platform 8, so that the relative position between the piston rod 5 and the upper platform 8 is kept unchanged, the cylinder body 1 is lifted on the upper part of the upper platform 8 under the action of the piston rod 5, and the lifting shaft sleeve 4 and the cylinder body 1 are synchronously lifted at this time.

In the lifting process of the lifting shaft sleeve 4, the steel rail clamp is pulled to rise through the lifting plates 3 on the front side and the rear side of the steel rail clamp, and the clamping jaws at the bottoms of the two clamping blocks 7 of the steel rail clamp are clamped at the lower jaw positions on the two sides of the steel rail 14, so that the steel rail 14 is separated from the sleeper 15 under the action of the clamping blocks 7, and the steel rail 14 is lifted, as shown in fig. 6.

When the rail 14 is lifted to a predetermined height, a worker can perform a roller or a pad for placing a stress relief operation in a space between the bottom of the rail 14 and the sleeper 15. After the operation is finished, the worker releases the oil pressure of the cylinder body 1, so that the piston rod 5 is retracted, and the pull ring 6 can be pulled by both hands again to lift the steel rail lifter to the next position where the steel rail 14 needs to be lifted. In order to further reduce the working strength of the staff, a trolley moving along the steel rail 14 can be further arranged, and when the work at a certain place is completed, the steel rail lifter is lifted to the surface of the trolley, and the transfer of the steel rail lifter is realized by pushing the movable trolley.

The above description is only a preferred embodiment of the present utility model, and is not intended to limit the utility model in any way, and any person skilled in the art may make modifications or alterations to the disclosed technical content to the equivalent embodiments. However, any simple modification, equivalent variation and variation of the above embodiments according to the technical substance of the present utility model still fall within the protection scope of the technical solution of the present utility model.

Claims

1. A rail puller which is characterized in that: the hydraulic lifting device is fixed on the upper side of the fixed seat, the steel rail clamp is located on the lower side of the fixed seat in a lifting mode, the steel rail clamp comprises two clamping blocks (7) which are oppositely arranged and can be opened and closed, the upper ends of the two clamping blocks (7) are rotatably connected with the hydraulic lifting device, and clamping claws are oppositely arranged at the lower ends of the two clamping blocks (7).

2. The rail puller of claim 1, wherein: the fixing base comprises an upper platform (8) which is horizontally arranged and upright posts (10) which are obliquely arranged at four corners of the bottom of the upper platform (8), the hydraulic lifter is positioned at the upper side of the upper platform (8), and the rail clamp is positioned at the lower side of the upper platform (8).

3. A rail puller as claimed in claim 1 or claim 2, characterised in that: the hydraulic lifter comprises a cylinder body (1) and a piston rod (5) which is hydraulically driven to stretch and retract in the cylinder body (1), and the bottom of the piston rod (5) is fixed in the middle of an upper platform (8).

4. A rail puller as claimed in claim 3, characterised in that: the outside cover at cylinder body (1) is equipped with and carries and draws axle sleeve (4), adopts threaded connection between cylinder body (1) and the carrying and drawing axle sleeve (4), and at least one side rotation around carrying and drawing axle sleeve (4) is connected with carries and draws board (3), carries behind the lower extreme of drawing board (3) extends to the below of upper platform (8) and rotates with the upper end of two clamp splice (7) and be connected.

5. The rail puller of claim 1, wherein: a pull rod (11) is rotatably arranged at the outer end parts of the two clamping blocks (7).

6. The rail puller of claim 5, wherein: the top of the pull rod (11) extends to the upper side of the fixed seat and is fixed with a pull ring (6).

7. The rail puller of claim 6, wherein: the end part of the pull rod (11) is rotatably connected with the hinged plate (9), and the pull rod (11) is fixed at the top of the hinged plate (9).