CN211522686U

CN211522686U - Rail gap adjusting device for railway civil engineering

Info

Publication number: CN211522686U
Application number: CN202020033741.0U
Authority: CN
Inventors: 周珂; 杜伟; 王云; 高祥
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-01-08
Filing date: 2020-01-08
Publication date: 2020-09-18
Anticipated expiration: 2030-01-08

Abstract

The utility model discloses a rail seam adjusting device for railway civil engineering, including two bottom plates, the support column has all been welded to the top both sides of bottom plate, and the top welding of four support columns has same roof, the top both sides of roof all are provided with the rectangular channel, symmetrical welding has two guide arms on the both sides inner wall of rectangular channel, and sliding connection has same movable plate on the outer wall of two guide arms, and a lateral symmetry fixed mounting of roof has two second pneumatic cylinders. The utility model discloses simple structure, the longitudinal position of U template and clamping jaw can be adjusted to first pneumatic cylinder, the transverse position of U template and clamping jaw can be adjusted to the second pneumatic cylinder, two clamping jaws can block respectively in the both sides bottom of railhead, at clamping jaw rebound's in-process, the clamping jaw can drive the rail rebound for can be convenient for adjust the rail seam, make two sections rail parallels, only need two people can operate, labour saving and time saving has reduced intensity of labour, has improved the installation effectiveness, high durability and convenient use.

Description

Rail gap adjusting device for railway civil engineering

Technical Field

The utility model relates to a railway construction technical field especially relates to a rail gap adjusting device for railway civil engineering.

Background

The railway is a track line for the running of vehicles such as trains, and the railway transportation is a land transportation mode, wherein a locomotive pulls a train vehicle to run on two parallel rails, the rails are composed of a rail head, a rail web and a rail bottom, and the rail traditionally runs by steel wheels, and the rails can provide extremely smooth and hard media to enable train wheels to roll on the rails with minimum friction, so that people feel more comfortable on the rails, and the rail transportation can also save energy. Railway construction mainly refers to various civil engineering facilities on the railway, and also refers to the stages of railway construction (survey design, construction, maintenance and reconstruction).

In the prior art, a rail is usually placed on a sleeper by using large-scale hoisting equipment, the two sections of rails can only be roughly positioned, workers need to pry the rails by using crowbars for fine adjustment, the rail gap of the two sections of rails meets the installation requirement, and the rail is heavy, so that the rails need to be pried by common cooperation of a plurality of workers, the labor intensity is high, and the installation efficiency is low, so that the rail gap adjusting device for the railway civil engineering is provided for solving the problems.

Disclosure of Invention

The utility model aims at solving the defects in the prior art and providing a rail gap adjusting device for railway civil engineering.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a rail gap adjusting device for railway civil engineering comprises two bottom plates, wherein supporting columns are welded on two sides of the top of each bottom plate, a same top plate is welded on the tops of four supporting columns, rectangular grooves are formed in two sides of the top of each top plate, two guide rods are symmetrically welded on inner walls of two sides of each rectangular groove, a same moving plate is connected to outer walls of the two guide rods in a sliding mode, two second hydraulic cylinders are symmetrically and fixedly installed on one side of each top plate, piston rods of the second hydraulic cylinders penetrate through the top plates and extend into the rectangular grooves, and piston rods of the second hydraulic cylinders are fixedly connected with one sides of the moving plates;

the top center position of the movable plate is fixedly provided with a first hydraulic cylinder, a piston rod of the first hydraulic cylinder penetrates through the movable plate and extends to the lower part of the movable plate, the piston rod of the first hydraulic cylinder is fixedly connected with a U-shaped plate, the U-shaped plate is positioned below the movable plate, two slide bars are symmetrically welded at the top of the U-shaped plate, the top ends of the slide bars penetrate through the movable plate and extend to the upper part of the movable plate, grooves are respectively arranged on the inner walls of the two sides of the U-shaped plate, clamping jaws are rotatably connected on the inner walls of the two sides of the grooves, one ends, close to each other, of the two clamping jaws respectively penetrate through the two grooves and extend into the U-shaped plate, one ends, far away from each other, of the two clamping jaws respectively penetrate through the two grooves and extend to the two sides of the U-shaped plate, the extension spring is located the top of rectangular plate, and one side top that two clamping jaws are close to each other contacts with one side that two rectangular plates kept away from each other respectively, the top welding of clamping jaw has the bracing piece, the one end of extension spring welds mutually with one side of bracing piece.

Preferably, a limiting plate is welded at the top of the sliding rod and is located above the moving plate.

Preferably, two handles are symmetrically welded on two sides of the top plate.

Preferably, the cross rods are welded on one sides of the two support columns on the same bottom plate, and one ends of the two cross rods are respectively welded on one sides of the other two support columns.

Preferably, rotating shafts are welded on two sides of the clamping jaw, and one ends, far away from each other, of the two rotating shafts are respectively and rotatably connected with the inner walls of the two sides of the groove.

Preferably, all be provided with the sliding tray on the both sides inner wall of rectangular channel, the round bar has all been welded to the both sides of movable plate, the one end of round bar extends to in the sliding tray and swivelling joint has the round wheel, the bottom of round wheel contacts with the bottom inner wall of sliding tray.

Compared with the prior art, the beneficial effects of the utility model are that:

1. in the utility model, two hands respectively hold two handles and lift upwards, so that the top plate can be erected at the joint of two sections of rails, two second hydraulic cylinders are respectively opened, the two second hydraulic cylinders can respectively drive two movable plates to move transversely, the two movable plates can respectively drive two first hydraulic cylinders to move transversely, the two first hydraulic cylinders can respectively drive two U-shaped plates to move, and the piston rods of the second hydraulic cylinders can extend and retract to adjust the transverse position of the U-shaped plates;

2. in the utility model, when the positions of two U-shaped plates are respectively adjusted to be right above two sections of rails, one of the first hydraulic cylinders is started to extend the piston rod of the first hydraulic cylinder, the first hydraulic cylinder can drive the U-shaped plates and the two clamping jaws to move downwards, the two clamping jaws can contact with the two sides of the rail head in the process of moving downwards to continuously lower the clamping jaws, the clamping jaws can slide and rotate on the rail head due to the blockage of the rail head, and simultaneously can stretch the tension spring, when the end parts of the clamping jaws move to the position of the rail web, the clamping jaws can be separated from the rail head, and the tension spring can restore the clamping jaws to the original position, at the moment, the piston rod of the first hydraulic cylinder is stopped to extend and retract the piston rod of the first hydraulic cylinder, so that the U-shaped plates and the clamping jaws can move upwards, because the width of the rail head is greater than that of the rail web, the two clamping jaws are, when the clamping jaw moves upwards, the clamping jaw can drive the rail to move upwards, when the rail is slightly separated from the sleeper, the first hydraulic cylinder is closed, and the other first hydraulic cylinder is started in the same way, so that the other section of rail can be slightly separated from the sleeper;

3. in the utility model, when two sections of rails are separated from the sleeper, the piston rods of the two second hydraulic cylinders are respectively extended and retracted to adjust the transverse positions of the two sections of rails so as to enable the two sections of rails to be parallel, moreover, the rail gap of the two sections of rails can meet the installation requirement, in addition, the top plate and the bottom plate are hollowed out, so that workers can conveniently check the position and the rail gap of the rails, after the two sections of rails are adjusted, the piston rod of the first hydraulic cylinder extends out, the rails can be placed on the sleeper, the U-shaped plate continues to move downwards until the clamping jaws are separated from the rail head, the two support rods are pulled towards the direction far away from each other, the two support rods can drive the end parts of the two clamping jaws to rotate towards the direction far away from each other, when the distance between the two clamping jaw ends is larger than the width of the rail head, the piston rod of the first hydraulic cylinder is retracted, and the clamping jaws can be moved to the position above the rail.

The utility model discloses simple structure, the longitudinal position of U template and clamping jaw can be adjusted to first pneumatic cylinder, the transverse position of U template and clamping jaw can be adjusted to the second pneumatic cylinder, two clamping jaws can block respectively in the both sides bottom of railhead, at clamping jaw rebound's in-process, the clamping jaw can drive the rail rebound for can be convenient for adjust the rail seam, make two sections rail parallels, only need two people can operate, labour saving and time saving has reduced intensity of labour, has improved the installation effectiveness, high durability and convenient use.

Drawings

Fig. 1 is a three-dimensional schematic view of a rail gap adjusting device for railway civil engineering provided by the utility model;

FIG. 2 is a schematic view showing the connection between the round wheel and the sliding groove of the rail gap adjusting device for railway civil engineering of the present invention;

FIG. 3 is a front view of a rail gap adjusting device for railway civil engineering provided by the present invention;

FIG. 4 is a rear view of a rail gap adjusting device for railway civil engineering provided by the present invention;

FIG. 5 is a left side view of a rail gap adjusting device for railway civil engineering provided by the present invention;

fig. 6 is a top view of a rail gap adjusting device for railway civil engineering provided by the present invention;

fig. 7 is a three-dimensional schematic view of a moving plate of a rail gap adjusting device for railway civil engineering provided by the present invention;

fig. 8 is a three-dimensional schematic view of a U-shaped plate of a rail gap adjusting device for railway civil engineering provided by the present invention;

fig. 9 is a schematic view of the connection between the rotating shaft and the clamping jaw of the rail gap adjusting device for railway civil engineering.

In the figure: the device comprises a base plate 1, supporting columns 2, a cross rod 3, a U-shaped plate 4, a top plate 5, a rectangular groove 6, a guide rod 7, a sliding rod 8, a moving plate 9, a first hydraulic cylinder 10, a handle 11, a second hydraulic cylinder 12, a sliding groove 13, a round rod 14, a round wheel 15, a clamping jaw 16, a rotating shaft 17, a limiting plate 18, a tension spring 19, a groove 20, a rectangular plate 21 and a supporting rod 22.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-9, a rail gap adjusting device for railway civil engineering comprises two bottom plates 1, wherein supporting columns 2 are welded on two sides of the top of each bottom plate 1, a same top plate 5 is welded on the top of each supporting column 2, rectangular grooves 6 are formed in two sides of the top of each top plate 5, two guide rods 7 are symmetrically welded on inner walls of two sides of each rectangular groove 6, a same moving plate 9 is connected to outer walls of the two guide rods 7 in a sliding mode, two second hydraulic cylinders 12 are symmetrically and fixedly installed on one side of each top plate 5, piston rods of the second hydraulic cylinders 12 penetrate through the top plates 5 and extend into the rectangular grooves 6, and piston rods of the second hydraulic cylinders 12 are fixedly connected with one side of the moving;

a first hydraulic cylinder 10 is fixedly installed at the center of the top of the movable plate 9, a piston rod of the first hydraulic cylinder 10 penetrates through the movable plate 9 and extends to the lower portion of the movable plate 9, a U-shaped plate 4 is fixedly connected to the piston rod of the first hydraulic cylinder 10, the U-shaped plate 4 is located below the movable plate 9, two slide bars 8 are symmetrically welded to the top of the U-shaped plate 4, the top ends of the slide bars 8 penetrate through the movable plate 9 and extend to the upper portion of the movable plate 9, grooves 20 are formed in the inner walls of the two sides of the U-shaped plate 4, clamping jaws 16 are rotatably connected to the inner walls of the two sides of the grooves 20, one ends, close to each other, of the two clamping jaws 16 respectively penetrate through the two grooves 20 and extend into the U-shaped plate 4, one ends, far away from each other, of the two clamping jaws 16 respectively penetrate through the two grooves 20, the two sides of the U-shaped plate 4 are welded with the tension springs 19, the tension springs 19 are positioned above the rectangular plates 21, the tops of the sides, close to each other, of the two clamping jaws 16 are respectively contacted with the sides, far away from each other, of the two rectangular plates 21, the supporting rods 22 are welded at the tops of the clamping jaws 16, one ends of the tension springs 19 are welded with one sides of the supporting rods 22, two handles 11 are respectively held by two hands of two persons and lifted upwards, the top plate 5 can be erected at the joint of the two sections of rails, the two second hydraulic cylinders 12 are respectively opened, the two second hydraulic cylinders 12 can respectively drive the two movable plates 9 to transversely move, the two movable plates 9 can respectively drive the two first hydraulic cylinders 10 to transversely move, the two first hydraulic cylinders 10 can respectively drive the two U-shaped plates 4 to move, and piston rods of the second hydraulic cylinders 12 can extend and retract, when the positions of the two U-shaped plates 4 are respectively adjusted to be right above two sections of rails, one of the first hydraulic cylinders 10 is started, a piston rod of the first hydraulic cylinder 10 is extended, the first hydraulic cylinder 10 can drive the U-shaped plates 4 and the two clamping jaws 16 to move downwards, the two clamping jaws 16 can be contacted with two sides of a rail head of the rail in the process of moving downwards, the clamping jaws 16 are continuously lowered, the clamping jaws 16 can slide and rotate on the rail head due to the blocking of the rail head, meanwhile, the tension springs 19 can be stretched, when the end parts of the clamping jaws 16 move to the positions of rail waists, the clamping jaws 16 can be separated from the rail head, meanwhile, the tension springs 19 can enable the clamping jaws 16 to be restored to the original positions, at the moment, the piston rod of the first hydraulic cylinder 10 is stopped to extend out, the piston rod of the first hydraulic cylinder 10 is retracted, the U-shaped plates 4 and the clamping jaws 16 can move upwards, in the process that the clamping jaw 16 moves upwards, the clamping jaw 16 can drive a rail to move upwards, when the rail is slightly separated from a sleeper, the first hydraulic cylinder 10 is closed, the other first hydraulic cylinder 10 is started in the same way, the other rail can be slightly separated from the sleeper, when the two rails are separated from the sleeper, piston rods of the two second hydraulic cylinders 12 are respectively extended and retracted to adjust the transverse positions of the two rails, so that the two rails are parallel, and the rail gap of the two rails can meet the installation requirement, in addition, the space between the top plate 5 and the bottom plate 1 is hollow, so that a worker can conveniently check the position and the rail gap of the rail, after the two rails are adjusted, the piston rod of the first hydraulic cylinder 10 is extended, so that the rail can be placed on the sleeper, the U-shaped plate 4 continues to move downwards until the clamping jaw 16 is separated from the rail head, the two supporting rods 22 are pulled towards the directions far away, two bracing pieces 22 can drive the tip of two clamping jaws 16 and rotate to the direction of keeping away from each other, when the interval of two clamping jaw 16 tip is greater than the width of railhead, make the piston rod withdrawal of first pneumatic cylinder 10, then can remove clamping jaw 16 to the top of rail, the utility model discloses simple structure, the longitudinal position of U template 4 and clamping jaw 16 can be adjusted to first pneumatic cylinder 10, the horizontal position of U template 4 and clamping jaw 16 can be adjusted to second pneumatic cylinder 12, two clamping jaws 16 can block respectively in the both sides bottom of railhead, at clamping jaw 16 rebound's in-process, clamping jaw 16 can drive the rail rebound for can be convenient for adjust the rail seam, make two sections rail parallels, only need two people to operate, labour saving and time saving has reduced intensity of labour, has improved the installation effectiveness, convenient to use.

In the utility model, a limiting plate 18 is welded on the top of a sliding rod 8, the limiting plate 18 is positioned above a movable plate 9, two handles 11 are symmetrically welded on two sides of a top plate 5, a cross rod 3 is welded on one side of two support columns 2 positioned on the same bottom plate 1, one end of each cross rod 3 is welded with one side of the other two support columns 2, rotating shafts 17 are welded on two sides of a clamping jaw 16, the mutually far ends of the two rotating shafts 17 are rotatably connected with the inner walls of two sides of a groove 20, sliding grooves 13 are arranged on the inner walls of two sides of a rectangular groove 6, round rods 14 are welded on two sides of the movable plate 9, one end of each round rod 14 extends into the sliding groove 13 and is rotatably connected with a round wheel 15, the bottom of the round wheel 15 is contacted with the inner wall of the bottom of the sliding groove 13, two hands respectively hold the two handles 11 and lift upwards, the top plate, two second hydraulic cylinders 12 are respectively opened, the two second hydraulic cylinders 12 can respectively drive two moving plates 9 to move transversely, the two moving plates 9 can respectively drive two first hydraulic cylinders 10 to move transversely, the two first hydraulic cylinders 10 can respectively drive two U-shaped plates 4 to move, so that piston rods of the second hydraulic cylinders 12 can extend and retract to adjust the transverse positions of the U-shaped plates 4, when the positions of the two U-shaped plates 4 are respectively adjusted to be right above two sections of rails, one first hydraulic cylinder 10 is started to extend the piston rod of the first hydraulic cylinder 10, the first hydraulic cylinder 10 can drive the U-shaped plate 4 and two clamping jaws 16 to move downwards, the two clamping jaws 16 can contact with two sides of a rail head in the process of moving downwards, so that the clamping jaws 16 continue to descend, and due to the blocking of the rail head, the clamping jaws 16 can slide and rotate on the rail head, the tension spring 19 is stretched at the same time, when the end part of the clamping jaw 16 moves to the position of the rail web, the clamping jaw 16 can be separated from the rail head, simultaneously, the tension spring 19 can enable the clamping jaw 16 to restore to the original position, at the moment, the piston rod of the first hydraulic cylinder 10 is stopped to extend out and the piston rod of the first hydraulic cylinder 10 is retracted, the U-shaped plate 4 and the clamping jaw 16 can move upwards, the two clamping jaws 16 are respectively clamped at the bottoms of the two sides of the rail head, in the process that the clamping jaw 16 moves upwards, the clamping jaw 16 can drive the rail to move upwards, when the rail slightly separates from the sleeper, the first hydraulic cylinder 10 is closed, the other first hydraulic cylinder 10 is started in the same way, the other rail can slightly separate from the sleeper, when the two rails both separate from the sleeper, the piston rods of the two second hydraulic cylinders 12 are respectively extended out and retracted to adjust the transverse positions of the two rails, so that the, in addition, the top plate 5 and the bottom plate 1 are hollowed out, so that a worker can conveniently check the position and the rail gap of a rail, after two sections of rails are adjusted, the piston rod of the first hydraulic cylinder 10 is extended out, the rail can be placed on a sleeper, the U-shaped plate 4 is continuously moved downwards until the clamping jaw 16 is separated from a rail head, the two support rods 22 are pulled towards the direction away from each other, the two support rods 22 can drive the end parts of the two clamping jaws 16 to rotate towards the direction away from each other, when the distance between the end parts of the two clamping jaws 16 is greater than the width of the rail head, the piston rod of the first hydraulic cylinder 10 is retracted, the clamping jaw 16 can be moved to the upper part of the rail, the utility model has the advantages that the structure is simple, the longitudinal positions of the U-shaped plate 4 and the clamping jaw 16 can be adjusted by the first hydraulic cylinder 10, the transverse positions of the U-shaped plate 4 and the clamping, in the process that the clamping jaw 16 moves upwards, the clamping jaw 16 can drive the rail to move upwards, so that the rail gap can be conveniently adjusted, two sections of rails are parallel, the operation can be carried out by only two persons, time and labor are saved, the labor intensity is reduced, the installation efficiency is improved, and the use is convenient.

The working principle is as follows: two persons respectively hold the two handles 11 with two hands and lift the handles upwards, the two bottom plates 1 are respectively placed on two sides of a rail, the top plate 5 can be erected at the joint of the two sections of rails, the two second hydraulic cylinders 12 are respectively opened, the two second hydraulic cylinders 12 can respectively drive the two movable plates 9 to move transversely, meanwhile, the movable plates 9 can slide on the guide rods 7, the movable plates 9 can drive the round rods 14 to move, the round rods 14 can drive the round wheels 15 to rotate on the sliding grooves 13, the other two movable plates 9 can respectively drive the two first hydraulic cylinders 10 to move transversely, the two first hydraulic cylinders 10 can respectively drive the two U-shaped plates 4 to move, the piston rods of the second hydraulic cylinders 12 can be extended and retracted to adjust the transverse positions of the U-shaped plates 4, when the positions of the two U-shaped plates 4 are respectively adjusted to be right above the two sections of rails, starting one of the first hydraulic cylinders 10 to extend a piston rod of the first hydraulic cylinder 10, wherein the first hydraulic cylinder 10 can drive the U-shaped plate 4 to move downwards, the U-shaped plate 4 can drive the sliding rod 8 to slide upwards on the moving plate 9, in addition, the U-shaped plate 4 can drive the clamping jaws 16 to move downwards, the two clamping jaws 16 can contact with two sides of a rail head in the process of moving downwards, so that the clamping jaws 16 continuously descend, due to the blocking of the rail head, the clamping jaws 16 can slide and rotate on the rail head, the clamping jaws 16 can drive the rotating shaft 17 to rotate, simultaneously, the tension spring 19 can be stretched, when the end parts of the clamping jaws 16 move to the position of a rail web, the clamping jaws 16 can be separated from the rail head, meanwhile, the tension spring 19 can enable the clamping jaws 16 to recover to the original position, at the moment, the piston rod of the first hydraulic cylinder 10 is stopped to extend and the piston rod of the first hydraulic cylinder 10 is, because the width of the railhead is larger than that of the rail web, the two clamping jaws 16 are respectively clamped at the bottoms of the two sides of the railhead, in the process that the clamping jaws 16 move upwards, the clamping jaws 16 can drive the rail to move upwards, when the rail is slightly separated from the sleeper, the first hydraulic cylinder 10 is closed, the other first hydraulic cylinder 10 is started in the same way, the other rail can be slightly separated from the sleeper, when the two sections of rails are separated from the sleeper, piston rods of the two second hydraulic cylinders 12 are respectively extended out and retracted to adjust the transverse positions of the two sections of rails, so that the two sections of rails are parallel, the rail gap of the two sections of rails can meet the installation requirement, in addition, the top plate 5 and the bottom plate 1 are hollowed, so that a worker can conveniently check the position and the rail gap of the rail, after the two sections of rails are adjusted, the first hydraulic cylinder 10 is started, the piston rod of the first hydraulic cylinder, continue to make U template 4 remove downwards, until clamping jaw 16 breaks away from the railhead, to two bracing pieces 22 of the orientation pulling of keeping away from each other, two bracing pieces 22 can drive the tip of two clamping jaws 16 to the orientation rotation of keeping away from each other, when the interval of two clamping jaw 16 tip is greater than the width of railhead, make the piston rod withdrawal of first pneumatic cylinder 10, then can remove clamping jaw 16 to the top of rail, make the adjustment rail seam of can being convenient for, make two sections rail parallel, only need two people to operate, time saving and labor saving, labor intensity is reduced, installation effectiveness is improved, high durability and convenient use.

The above, only be the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the present invention, the technical solution and the utility model concept of the present invention should be covered within the protection scope of the present invention.

Claims

1. The rail gap adjusting device for the railway civil engineering comprises two bottom plates (1) and is characterized in that supporting columns (2) are welded on two sides of the top of each bottom plate (1), a same top plate (5) is welded on the tops of four supporting columns (2), rectangular grooves (6) are formed in two sides of the top of each top plate (5), two guide rods (7) are symmetrically welded on inner walls of two sides of each rectangular groove (6), a same moving plate (9) is connected to outer walls of the two guide rods (7) in a sliding mode, two second hydraulic cylinders (12) are symmetrically and fixedly installed on one side of each top plate (5), piston rods of the second hydraulic cylinders (12) penetrate through the top plates (5) and extend into the rectangular grooves (6), and piston rods of the second hydraulic cylinders (12) are fixedly connected with one side of the moving plate (9);

the top central point of movable plate (9) puts fixed mounting with first pneumatic cylinder (10), the piston rod of first pneumatic cylinder (10) runs through movable plate (9) and extends to the below of movable plate (9), and the piston rod fixedly connected with U template (4) of first pneumatic cylinder (10), U template (4) are located the below of movable plate (9), the top symmetric welding of U template (4) has two slide bars (8), the top of slide bar (8) runs through movable plate (9) and extends to the top of movable plate (9), all be provided with recess (20) on the both sides inner wall of U template (4), it is connected with clamping jaw (16) to rotate on the both sides inner wall of recess (20), and two recesses (20) are run through respectively and extend to in U template (4) to the one end that two clamping jaws (16) are close to each other, and the one end that two clamping jaws (16) kept away from each other runs through two recesses (20) respectively and extends to the one end of U template (4) respectively Both sides, rectangular plate (21) have all been welded to the both sides of U template (4), rectangular plate (21) are located the top of recess (20), extension spring (19) have all been welded to the both sides of U template (4), extension spring (19) are located the top of rectangular plate (21), and one side top that two clamping jaws (16) are close to each other contacts with one side that two rectangular plate (21) kept away from each other respectively, the top welding of clamping jaw (16) has bracing piece (22), the one end of extension spring (19) welds with one side of bracing piece (22) mutually.

2. Railway civil engineering rail gap adjusting device according to claim 1, characterized in that a limiting plate (18) is welded on top of the sliding bar (8), the limiting plate (18) being located above the moving plate (9).

3. A rail gap adjusting device for railway civil engineering as claimed in claim 1, characterized in that two handles (11) are symmetrically welded to both sides of the top plate (5).

4. A rail gap adjusting device for railway civil engineering as claimed in claim 1, characterized in that the cross bar (3) is welded to one side of two supporting columns (2) on the same base plate (1), and one end of each cross bar (3) is welded to one side of each of the other two supporting columns (2).

5. Railway civil engineering rail gap adjusting device according to claim 1, characterized in that the clamping jaw (16) has a pivot (17) welded to both sides, the ends of the two pivot (17) remote from each other being in rotational connection with the inner walls of the groove (20) on both sides, respectively.

6. A rail gap adjusting device for railway civil engineering as claimed in claim 1, characterized in that the inner walls of both sides of the rectangular groove (6) are provided with sliding grooves (13), the moving plate (9) is welded with round bars (14) on both sides, one end of each round bar (14) extends into the sliding groove (13) and is rotatably connected with a round wheel (15), and the bottom of each round wheel (15) is in contact with the inner wall of the bottom of the sliding groove (13).