CN212175523U

CN212175523U - High-speed railway assembled bridge face prefabricated section fine-tuning device

Info

Publication number: CN212175523U
Application number: CN202020766177.3U
Authority: CN
Inventors: 孟庆文
Original assignee: Hunan Tianxiang Building Technology Co ltd
Current assignee: Hunan Tianxiang Building Technology Co ltd
Priority date: 2020-05-11
Filing date: 2020-05-11
Publication date: 2020-12-18
Anticipated expiration: 2030-05-11

Abstract

The utility model discloses a high-speed railway assembled bridge face prefabricated section accurate adjustment device, including two liang of perpendicular and fixed connection crossbeams and longerons, every crossbeam both ends are all overlapped and are equipped with the link, every longeron both ends all are equipped with mounting bracket and walking subassembly, be fixed with the accurate adjustment ware on the mounting bracket, first round pin axle fixed mounting is in the upper portion of left side board and right side board, the wheel passes through the second round pin axle and installs in the lower part of left side board and right side board, left side board and right side board articulate on the longeron through the pivot, the support includes that rotatable cover locates first epaxial support upper portion of round pin and the support lower part that is equipped with the screw hole, all be equipped with the control rod between two supports of every longeron both ends setting, the control rod both ends are equipped with the screw thread that revolves to. The utility model discloses a fine tuning device has realized the accurate adjustment of high-speed railway assembled bridge face prefabricated section, has effectively improved construction precision and construction quality, has reduced intensity of labour.

Description

High-speed railway assembled bridge face prefabricated section fine-tuning device

Technical Field

The utility model relates to a high-speed railway assembled bridge face prefabricated section construction technical field especially relates to a high-speed railway assembled bridge face prefabricated section accurate adjustment device.

Background

At present, both a protective wall and a vertical wall of a high-speed railway are formed by pouring on a construction site on a bridge. However, the construction site on the bridge needs to be processed by the procedures of template supporting, steel bar binding, member pre-embedding, concrete pouring, curing, demolding and the like, so that the construction period is long, the efficiency is low, and the construction quality is difficult to unify because each section is constructed by different construction teams.

Along with the application of assembled bridge deck structure of high-speed railway, all can carry out whole prefabrication in the mill by protective wall, perpendicular wall, side wall and cable duct bottom plate, combine the progress of bridge erection, effectively organize transportation and on-the-spot construction of assembling, for having guaranteed construction quality, reach standardization, batch production, information-based construction and provide the guarantee. In order to meet the requirement of laying precision, in the assembling construction process of a construction site, each prefabricated block needs to be horizontally and precisely adjusted after being hoisted in place in the construction site.

In view of this, it is an urgent technical problem to be solved by those skilled in the art to design a fine adjustment device for accurately adjusting a prefabricated block of an assembled bridge deck of a high-speed rail.

Disclosure of Invention

An object of the utility model is to provide a high-speed railway assembled bridge face prefabricated section accurate adjustment device, through accurate adjustment can all be carried out to the direction of height of prefabricated section, transversely and longitudinally to the accurate adjustment device to effectively improved construction precision and construction quality, and reduced intensity of labour.

In order to solve the technical problem, the utility model provides a high-speed railway assembled bridge surface precast block fine adjustment device, which comprises a frame and a walking component, wherein the frame comprises at least two cross beams and at least two longitudinal beams, the cross beams are fixedly connected with the longitudinal beams and are perpendicular to each other in pairs, two ends of each cross beam are sleeved with a connecting frame for connecting precast blocks, two ends of each longitudinal beam are respectively provided with a mounting frame and a walking component, a fine adjustment device is fixedly arranged on the mounting frame, each walking component is positioned at the inner side of the two mounting frames arranged corresponding to the two ends of the longitudinal beam, the walking component comprises a left side plate and a right side plate which are arranged at the left side and the right side of the corresponding longitudinal beam in parallel, and a rotating shaft, a support, a first pin shaft, a wheel and a second pin shaft are arranged between the left side plate and the right side plate, the first pin shaft is fixedly arranged at the upper, the left side board and the right side board are hinged to the longitudinal beam through rotating shafts arranged in the middle of the left side board and the right side board, the support comprises a first pin shaft and a support lower portion provided with a threaded hole, the support upper portion and the support lower portion are integrally formed or fixedly connected, an operating rod is arranged between two supports arranged at two ends of each longitudinal beam, two ends of the operating rod are provided with threads which are opposite in rotating direction and correspond to threaded holes in the lower portion of the support, and the operating rod is screwed into the threaded holes in the corresponding lower portion of the support through the threads at two ends of the operating rod and is connected with the support.

Preferably, the cross beam is detachably and fixedly connected with the longitudinal beam.

Preferably, an upper pressing plate, a lower pressing plate and a plurality of pull rods are arranged at the lap joint of the cross beam and the longitudinal beam, the cross beam and the longitudinal beam are located between the upper pressing plate and the lower pressing plate, and the upper pressing plate and the lower pressing plate are connected through the plurality of pull rods and are used for fixedly connecting the cross beam and the longitudinal beam at the lap joint.

Preferably, the pull rods are four, and the four pull rods are uniformly distributed on four corners of the upper pressing plate and the lower pressing plate.

Preferably, the walking assembly further comprises a connecting shaft and a connecting sleeve which are arranged between the left side plate and the right side plate, the connecting sleeve is located between the rotating shaft and the second pin shaft, and the left side plate and the right side plate are connected into a whole through the connecting shaft.

Preferably, the front end of the operating rod is provided with left-handed threads, and the rear end of the operating rod is provided with right-handed threads.

Preferably, the machine frame comprises two cross beams parallel to each other and two longitudinal beams parallel to each other, and the two cross beams and the two longitudinal beams form a structure shaped like a Chinese character 'jing'.

Preferably, the vertical height between the bottom of the fine adjuster and the precast block is not equal to the vertical height between the bottom of the wheel and the precast block.

Compared with the prior art, the utility model can lead the walking components arranged at the two ends of each longitudinal beam to respectively approach to the middle part by rotating the control rod, further lead the fine-tuning devices at the two ends of the longitudinal beam to gradually descend to the precast blocks at the two sides of the precast block to be adjusted, then fix the connecting frame on the precast block to be adjusted and realize the fine adjustment of the precast block to be adjusted in the longitudinal direction, the transverse direction and the height direction by the fine-tuning devices, disassemble the connection between the connecting frame and the precast block to be adjusted and rotate the control rod in the opposite direction after reaching the installation precision, thereby leading the fine-tuning devices to be separated from the precast blocks at the two sides of the precast block to be adjusted, pushing the fine-tuning devices to move to the next precast block and carry out the fine tuning of the next precast block after the wheels return to the original walking state, realizing the fine tuning of the prefabricated block of the high-speed railway assembled bridge floor, effectively, and reduces labor intensity.

Drawings

FIG. 1 is a perspective view of the fine adjustment device for prefabricated bridge deck blocks of the high-speed rail assembly of the present invention,

FIG. 2 is a front view of the working state of the assembly type bridge surface precast block fine adjustment device for the high-speed rail of the present invention,

figure 3 is a right side view of figure 2,

FIG. 4 is a front view of a walking state of the high-speed rail assembly type bridge surface precast block fine adjustment device,

fig. 5 is a schematic connection diagram of the right side plate, the support, the first pin and the operating rod.

Fig. 6 is a schematic structural view of the holder.

In the figure: 11. the transverse beam, 12, a longitudinal beam, 13, an upper pressing plate, 14, a lower pressing plate, 15, a pull rod, 2, a walking assembly, 21, a left side plate, 22, a right side plate, 23, a rotating shaft, 24, a support, 241, an upper support part, 242, a lower support part, 25, a first pin shaft, 26, a wheel, 27, a second pin shaft, 28, a connecting shaft, 29, a connecting sleeve, 3, a fine adjuster, 4, an installation frame, 5, a connecting frame, 6, an operating rod, 61, a left-handed thread, 62, a right-handed thread, 7, a precast block, 71, a reference precast block, 72, a precast block to be adjusted and 73 a next precast block.

Detailed Description

In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.

It should be noted that, in the present invention, the terms "first" and "second" only represent different components, and do not have any order; the inner side is arranged between the two mounting frames arranged at the two ends of the same longitudinal beam; the vertical height of the bottom of the fine adjuster refers to the shortest distance from the bottom of the fine adjuster to the upper surface of the precast block, and the vertical height of the bottom of the wheel refers to the shortest distance from the bottom of the wheel to the upper surface of the precast block; also for example in FIG. 2, vertical page in is right, vertical page out is left, vertical page right is front, vertical page left is back, vertical page up is up, vertical page down is down.

As shown in fig. 1 to 6, a high-speed rail assembly type bridge surface precast block fine adjustment device comprises a rack and a traveling assembly 2, wherein the rack comprises at least two cross beams 11 and at least two longitudinal beams 12, the cross beams 11 and the longitudinal beams 12 are fixedly connected and are perpendicular to each other in pairs, two ends of each cross beam 11 are respectively sleeved with a connecting frame 5 for connecting a precast block 7, two ends of each longitudinal beam 12 are respectively provided with a mounting frame 4 and a traveling assembly 2, a fine adjustment device 3 is fixedly arranged on the mounting frame 4, each traveling assembly 2 is positioned at the inner side of the two mounting frames 4 arranged at the two ends of the corresponding longitudinal beam 12, the traveling assembly 2 comprises a left side plate 21 and a right side plate 22 which are arranged at the left and right sides of the corresponding longitudinal beam 12 in parallel, and a rotating shaft 23, a support 24, a first pin shaft 25, a wheel 26 and a second pin shaft 27 which are arranged between the left side plate 21 and the right side plate 22, the wheel 26 is installed in the lower part of left side board 21 and right side board 22 through second round pin axle 27, left side board 21 and right side board 22 articulate on longeron 12 through pivot 23 of locating left side board 21 and right side board 22 middle part, support 24 includes rotatable cover and locates support upper portion 241 on first round pin axle 25 and the support lower part 242 that is equipped with the screw hole, and support upper portion 241 and support lower part 242 integrated into one piece or fixed connection, all be equipped with control rod 6 between two supports 24 that each longeron 12 both ends set up, control rod 6's both ends be equipped with the opposite and with correspond support lower part 242 screw hole assorted screw thread of turning to, control rod 6 is connected with support 24 in the screw hole that corresponds support lower part 242 assorted screw hole through the screw thread of its both ends respectively screw in.

In this embodiment, the upper support portion 241 is sleeved on the first pin shaft 25 through a hollow hole, the threaded hole formed in the lower support portion 242 is perpendicular to the hollow hole formed in the upper support portion 241, and a certain friction force exists between the upper support portion 241 and the first pin shaft 25, in other words, the upper support portion 241 and the first pin shaft 25 are matched to enable the support 24 to rotate on the first pin shaft 25, and the support 24 is driven to rotate around the rotating shaft 23 through the upper support portion 241 when the operating lever 6 drives the support 24 to rotate, because the rotating angle of the support 24 around the rotating shaft 23 is larger than the swinging angle of the support 24 around the first pin shaft 25, when the operating lever 6 is rotated by an operator, the traveling assemblies 2 arranged at two ends of each longitudinal beam 12 are respectively close to the middle or separate to two sides. The walking components 2 are positioned between each mounting frame 4 and the closest cross beam 11 corresponding to the mounting frame 4, the precast block 7 comprises a precast block 72 to be adjusted, and a reference precast block 71 and a next precast block 73 which are positioned at the front side and the rear side of the precast block 72 to be adjusted, when the precast block 72 to be adjusted needs to be accurately adjusted, firstly, the walking components 2 arranged at the two ends of each longitudinal beam 12 are respectively close to the middle part by rotating the operating rod 6, and further, the fine adjusters 3 fixedly arranged at the two ends of the longitudinal beam 12 gradually descend until the fine adjusters 3 are pressed on the reference precast block 71 and the next precast block 73 at the two sides of the precast block 72 to be adjusted, simultaneously, after the wheels 26 completely leave the precast block 72 to be adjusted, the connecting frame 5 sleeved on each cross beam 11 is fixed on the precast block 72 to be adjusted, and then, the fine adjusters 3 are utilized to accurately adjust the precast blocks 72 to be adjusted in the longitudinal direction, the transverse direction and the height direction, the connection between the connecting frame 5 and the precast block 72 to be adjusted is disassembled until the installation precision is reached, finally, the walking component 2 is respectively rotated to the front side and the rear side to be separated by rotating the operating rod 6 in the opposite direction, at the moment, the fine adjuster 3 gradually rises and is respectively separated from the reference precast block 71 and the next precast block 73, and after the wheel 26 returns to the original walking state, the fine adjustment device can be pushed to move to the next precast block 73 and accurately adjust the next precast block 73, so that the accurate adjustment of the high-speed rail assembly type bridge surface precast block is realized, the construction precision and the construction quality are effectively improved, and the labor intensity is reduced.

In this embodiment, the fine tuning device 3 is a fine tuning device body with a motor removed from a wrench device in a numerical control intelligent high-speed railway track board fine tuning device disclosed in patent No. 201911298802.4, and then the fine tuning device 3 can be manually adjusted by an operator (in other embodiments, the fine tuning device can also be a numerical control intelligent high-speed railway track board fine tuning device disclosed in patent No. 201911298802.4, and can be adjusted automatically by the motor in the wrench device). While the front end of the operating lever 6 in this embodiment is provided with a left-hand thread 61 and the rear end of the operating lever 6 is provided with a right-hand thread 62 with a reverse direction to the left-hand thread 61, in other embodiments, the front end of the operating lever 6 may be provided with a right-hand thread 62 and the rear end of the operating lever 6 may be provided with a left-hand thread 61 with a reverse direction to the right-hand thread 62.

In this embodiment, the machine frame includes two parallel cross beams 11 and two parallel longitudinal beams 12, and the two cross beams 11 and the two longitudinal beams 12 form a structure shaped like a Chinese character 'jing'. In other embodiments, the number of the cross beams 11 and the longitudinal beams 12 may be more than two, and the cross beams and the longitudinal beams may be in other shapes and perpendicular to each other.

As shown in fig. 1 to 4, the cross beam 11 is detachably and fixedly connected with the longitudinal beam 12, an upper pressing plate 13, a lower pressing plate 14 and a plurality of pull rods 15 are arranged at the joint of the cross beam 11 and the longitudinal beam 12, the cross beam 11 and the longitudinal beam 12 are located between the upper pressing plate 13 and the lower pressing plate 14, and the upper pressing plate 13 and the lower pressing plate 14 are connected through the plurality of pull rods 15 and are used for fixedly connecting the cross beam 11 and the longitudinal beam 12 at the joint.

As shown in fig. 1 to 4, the four tie rods 15 are uniformly distributed at four corners of the upper pressing plate 13 and the lower pressing plate 14.

In this embodiment, utilize four pull rods 15 with

top board

13 and 14 fixed connection of holding down plate so that crossbeam 11 and longeron 12 detachable fixed connection, both guaranteed the reliability of being connected between crossbeam 11 and the longeron 12, also made things convenient for the dismouting maintenance of crossbeam 11 and longeron 12 simultaneously, improved dismouting efficiency in the very big degree.

As shown in fig. 1 to 4, the walking assembly 2 further includes a connecting shaft 28 and a connecting sleeve 29, which are disposed between the left side plate 21 and the right side plate 22, the connecting sleeve 29 is located between the rotating shaft 23 and the second pin 27, and the connecting sleeve 29 connects the left side plate 21 and the right side plate 22 into a whole through the connecting shaft 28.

In this embodiment, the left side plate 21 and the right side plate 22 are connected into a whole through the connecting sleeve 29, so that the rigidity of the walking assembly 2 is effectively increased, and the working stability of the whole fine adjustment device is ensured, thereby providing a powerful guarantee for the accurate adjustment of the precast block.

As shown in fig. 1 to 4, the vertical height between the bottom of the fine adjuster 3 and the precast block 7 is not equal to the vertical height between the bottom of the wheel 26 and the precast block 7. In this embodiment, the vertical height between the bottom of the fine adjuster 3 and the precast block 7 is not equal to the vertical height between the bottom of the wheel 26 and the precast block 7, and when the fine adjusting device is in a walking state, the vertical height between the bottom of the fine adjuster 3 and the precast block 7 is greater than the vertical height between the bottom of the wheel 26 and the precast block 7; when the fine tuning device is in a working state, the vertical height between the bottom of the fine tuning device 3 and the precast block 7 is smaller than the vertical height between the bottom of the wheel 26 and the precast block 7, so that the fine tuning device 3 cannot rub against the precast block 7 to cause component damage under the walking state of the fine tuning device, and meanwhile, when the operating lever 6 is rotated under the working state of the fine tuning device, the fine tuning device 3 can be quickly pressed onto the precast blocks 7 at two sides of the precast block 72 to be adjusted to quickly and accurately adjust the precast block 72 to be adjusted, and the working efficiency is improved to a certain extent.

It is right above the utility model provides a high-speed railway assembled bridge face prefabricated section accurate adjustment device has carried out detailed introduction. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the core concepts of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims

1. The utility model provides a high-speed railway assembled bridge face prefabricated section accurate adjustment device, a serial communication port, including frame and walking subassembly (2), the frame includes two at least crossbeams (11) and two at least longerons (12), fixed connection and two liang of perpendicular between crossbeam (11) and longeron (12), each crossbeam (11) both ends all overlap and are equipped with link (5) that are used for connecting prefabricated section (7), each longeron (12) both ends all are equipped with mounting bracket (4) and walking subassembly (2), fixed accurate ware (3) of transferring that are equipped with on mounting bracket (4), and each walking subassembly (2) all are located the inboard that corresponds two mounting bracket (4) that longeron (12) both ends set up, walking subassembly (2) are including parallel arrangement in left side board (21) and right side board (22) that correspond longeron (12) left and right side board (22), and locate pivot (23) between left side board (21) and right side board (22), The wheel support comprises support seats (24), first pin shafts (25), wheels (26) and second pin shafts (27), wherein the first pin shafts (25) are fixedly installed on the upper portions of a left side plate (21) and a right side plate (22), the wheels (26) are installed on the lower portions of the left side plate (21) and the right side plate (22) through the second pin shafts (27), the left side plate (21) and the right side plate (22) are hinged to longitudinal beams (12) through rotating shafts (23) arranged in the middle portions of the left side plate (21) and the right side plate (22), the support seats (24) comprise support seat upper portions (241) rotatably sleeved on the first pin shafts (25) and support seat lower portions (242) provided with threaded holes, the support seat upper portions (241) and the support seat lower portions (242) are integrally formed or fixedly connected, control levers (6) are arranged between two support seats (24) arranged at two ends of each longitudinal beam (12), two ends of each control lever (6) are provided with threads which are opposite in rotating directions, the operating rod (6) is respectively screwed into the matched threaded holes of the corresponding lower part (242) of the support through threads at two ends of the operating rod and is connected with the support (24).

2. The high-speed rail fabricated bridge deck precast block fine adjustment device according to claim 1, wherein the cross beam (11) is detachably and fixedly connected with the longitudinal beam (12).

3. The high-speed rail fabricated bridge surface precast block fine adjustment device according to claim 2, wherein an upper pressing plate (13), a lower pressing plate (14) and a plurality of pull rods (15) are arranged at the joint of the cross beam (11) and the longitudinal beam (12), the cross beam (11) and the longitudinal beam (12) are located between the upper pressing plate (13) and the lower pressing plate (14), and the upper pressing plate (13) and the lower pressing plate (14) are connected through the plurality of pull rods (15) for fixedly connecting the cross beam (11) and the longitudinal beam (12) at the joint.

4. The high-speed rail fabricated bridge deck precast block fine tuning device as claimed in claim 3, wherein the number of the tie rods (15) is four, and the four tie rods (15) are evenly distributed at four corners of the upper platen (13) and the lower platen (14).

5. The assembly type bridge floor precast block fine adjustment device of the high-speed rail according to claim 4, characterized in that the walking assembly (2) further comprises a connecting shaft (28) and a connecting sleeve (29) which are arranged between the left side plate (21) and the right side plate (22), the connecting sleeve (29) is arranged between the rotating shaft (23) and the second pin shaft (27), and the connecting sleeve (29) connects the left side plate (21) and the right side plate (22) into a whole through the connecting shaft (28).

6. The high-speed rail fabricated bridge deck preform fine-tuning device as claimed in claim 5, wherein the front end of the operating lever (6) is provided with a left-handed thread (61), and the rear end of the operating lever (6) is provided with a right-handed thread (62).

7. The high-speed rail fabricated bridge surface precast block fine adjustment device according to claim 6, wherein the machine frame comprises two cross beams (11) and two longitudinal beams (12) which are parallel to each other, and the two cross beams (11) and the two longitudinal beams (12) form a structure like a Chinese character 'jing'.

8. The assembled bridge floor precast block fine tuning device of the high-speed railway according to claim 7, characterized in that the vertical height between the bottom of the fine tuning device (3) and the precast block (7) is not equal to the vertical height between the bottom of the wheel (26) and the precast block (7).