CN215893612U

CN215893612U - Structural bearing testing arrangement for bridge design

Info

Publication number: CN215893612U
Application number: CN202121788373.1U
Authority: CN
Inventors: 周嵬; 王世纯; 左科; 刘小杰
Original assignee: Chongqing Yingjie Construction Engineering Design Co ltd
Current assignee: Chongqing Yingjie Construction Engineering Design Co ltd
Priority date: 2021-08-03
Filing date: 2021-08-03
Publication date: 2022-02-22
Anticipated expiration: 2031-08-03

Abstract

The utility model relates to the technical field of bearing test, in particular to a structural bearing test device for bridge design, which comprises a workbench, wherein a plurality of support rods are fixedly arranged on the upper surface of the workbench, a guide plate is fixedly arranged between every two support rods, the two support blocks are connected through a limiting mechanism, a hydraulic cylinder is fixedly arranged on one surface, close to the workbench, of a top plate, a pressure block is fixedly arranged at the output end of the hydraulic cylinder, and a pressure sensor is fixedly arranged on one surface, close to the workbench, of the pressure block. The center points of the bridge models with different lengths can be tested.

Description

Structural bearing testing arrangement for bridge design

Technical Field

The utility model relates to the technical field of load bearing tests, in particular to a structural load bearing test device for bridge design.

Background

In bridge design, can design the bridge model of a plurality of different structures, carry out the bearing test to fashioned bridge model again, test the bearing capacity of the bridge model of different structures, when testing the bridge structure of different length at present, be difficult for finding out the central point of bridge structure, lead to the result of testing not accurate enough.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a structural bearing testing device for bridge design, which can effectively solve the problems in the background technology.

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

the utility model provides a structural bearing testing arrangement for bridge design, includes the workstation, fixed surface installs a plurality of bracing pieces, per two on the workstation equal fixed mounting has a deflector, two on the deflector slidable mounting have a supporting shoe, two connect through stop gear between the supporting shoe, every all be equipped with the fixed slot on the supporting shoe, fixed surface installs the backup plate on the workstation, the one end fixed mounting that the workstation was kept away from to the backup plate has the roof, the one side fixed mounting that the roof is close to the workstation has the pneumatic cylinder, pneumatic cylinder output end fixed mounting has the pressure piece, the one side fixed mounting that the pressure piece is close to the workstation has pressure sensor, the pressure piece is located in the middle of two supporting shoes.

Preferably, a fixing plate is slidably mounted on the upper surface of the supporting block, a bolt is arranged on the fixing plate, a bolt hole is formed in the upper surface of the supporting block, and the bolt is arranged inside the bolt hole.

Preferably, the lower surface of the supporting block is provided with a sliding block, the upper surface of the guide plate is provided with a sliding groove, and the sliding block is slidably mounted inside the sliding groove.

Preferably, the limiting mechanism comprises two connecting rods and a rotating shaft, and the two connecting rods are fixedly mounted on the lower surfaces of the two supporting blocks respectively.

Preferably, the rotating shaft is rotatably mounted on the upper surface of the workbench, and a gear is fixedly mounted at the top end of the rotating shaft.

Preferably, toothed plates are fixedly mounted on the surfaces, close to each other, of the two connecting rods, and the toothed plates are meshed with the gears.

As preferred, slidable mounting has the sliding sleeve on the axis of rotation, the sliding sleeve is close to one side fixed mounting of workstation and has a plurality of stoppers, the workstation upper surface is equipped with a plurality of spacing holes, the stopper sets up at spacing downthehole portion.

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

(1) when the user removes one of them supporting shoe, thereby can make one of them pinion rack remove, thereby remove through one of them pinion rack and can drive the gear and rotate, rotate through the gear and can drive another pinion rack and remove, thereby can drive two supporting shoes to the same distance of opposite reverse movement, thereby can let the pneumatic cylinder output be located the position in the middle of two supporting shoes all the time, can test the central point of different length bridge models, the convenience of device has been increased.

(2) When moving two supporting blocks to suitable position, through setting up the stopper in spacing downthehole portion to can play fixed effect to the gear, prevent that the circumstances that the removal from appearing in the pinion rack, thereby play fixed effect to the supporting shoe, prevent that the circumstances that the removal from appearing in the supporting shoe.

Drawings

FIG. 1 is a schematic view of the overall structure of a structural load-bearing testing device for bridge design according to the present invention;

FIG. 2 is a schematic left-view structural diagram of a structural load-bearing testing device for bridge design according to the present invention;

FIG. 3 is a schematic structural view of a workbench of the structural load-bearing testing device for bridge design according to the present invention;

fig. 4 is a schematic diagram of a sliding sleeve structure of the structural load-bearing testing device for bridge design according to the present invention.

In the figure: 1. a work table; 2. a limiting mechanism; 201. a connecting rod; 202. a toothed plate; 203. a gear; 204. a sliding sleeve; 205. a rotating shaft; 206. a limiting hole; 207. a limiting block; 3. a support bar; 4. a guide plate; 5. a chute; 6. a support block; 7. a backup plate; 8. a top plate; 9. a hydraulic cylinder; 10. a pressure block; 11. a pressure sensor; 12. fixing grooves; 13. a bolt; 14. a fixing plate; 15. bolt holes; 16. a slide block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Examples

As shown in fig. 1-4, a structural bearing testing device for bridge design, including workstation 1, fixed surface installs a plurality of bracing pieces 3 on workstation 1, equal fixed mounting has deflector 4 between per two bracing pieces 3, slidable mounting has supporting shoe 6 on two deflectors 4, connect through stop gear 2 between two supporting shoes 6, all be equipped with fixed slot 12 on every supporting shoe 6, fixed surface installs backup plate 7 on workstation 1, the one end fixed mounting that workstation 1 was kept away from to backup plate 7 has roof 8, the one side fixed mounting that roof 8 is close to workstation 1 has pneumatic cylinder 9, pneumatic cylinder 9 output end fixed mounting has pressure block 10, one side fixed mounting that pressure block 10 is close to workstation 1 has pressure sensor 11, pressure block 10 is located between two supporting shoes 6.

Through the technical scheme, firstly, the two supporting blocks 6 are moved according to the length of the bridge support, when one of the supporting blocks 6 is moved, one of the toothed plates 202 can be moved, the gear 203 can be driven to rotate by moving one of the toothed plates 202, the other toothed plate 202 can be driven to move by rotating the gear 203, so that the two supporting blocks 6 can be driven to reversely move for the same distance, so that the output end of the hydraulic cylinder 9 can be always positioned at the middle position of the two supporting blocks 6, when the two supporting blocks 6 are moved to the proper position, the limiting block 207 is arranged in the limiting hole 206, so that the gear 203 can be fixed, the supporting blocks 6 can be fixed to prevent the supporting blocks 6 from moving, when the two supporting blocks 6 are adjusted to the proper position, place the both ends of the bridge beam supports who will need the test inside fixed slot 12, through removing fixed plate 14, remove fixed plate 14 to fixed slot 12 upper surface, move bolt 13 through twisting this moment, set up the top of bolt 13 inside bolt hole 15, thereby can fix fixed plate 14 at supporting shoe 6 upper surface, can set up the bridge beam supports inside fixed slot 12, prevent that not hard up condition from appearing in the bridge beam supports, stretch out and draw back through pneumatic cylinder 9 output and can drive pressure piece 10 and remove downwards and carry out the bearing test to the bridge beam supports, can come out the pressure transmission that the bridge beam supports received through pressure sensor 11, the convenience of device has been increased.

Wherein, supporting shoe upper surface slidable mounting has fixed plate 14, fixed plate 14 is provided with

bolt

13, 6 upper surfaces of supporting shoe are equipped with bolt hole 15, bolt 13 sets up inside bolt hole 15, place the both ends of the bridge beam support that will need the test inside fixed slot 12, through removing fixed plate 14, remove fixed plate 14 to fixed slot 12 upper surface, through twisting bolt 13 this moment, set up the top of bolt 13 inside bolt hole 15, thereby can fix fixed plate 14 at 6 upper surfaces of supporting shoe, can be with bridge beam support setting inside fixed slot 12, prevent that not hard up condition from appearing in the bridge beam support.

It can be understood that the lower surface of the supporting block 6 is provided with the sliding block 16, the upper surface of the guide plate 4 is provided with the sliding groove 5, the sliding block 16 is slidably mounted inside the sliding groove 5, and the supporting block 6 can move on the guide plate 4 more stably by slidably mounting the sliding block 16 inside the sliding groove 5.

When the limiting mechanism 2 is specifically arranged, the limiting mechanism comprises two connecting rods 201 and a rotating shaft 205, the two connecting rods 201 are respectively and fixedly installed on the lower surfaces of the two supporting blocks 6, the rotating shaft 205 is rotatably installed on the upper surface of the workbench 1, a gear 203 is fixedly installed at the top end of the rotating shaft 205, toothed plates 202 are fixedly installed on the surfaces, close to each other, of the two connecting rods 201, the two toothed plates 202 are respectively meshed with the gear 203 and connected, a sliding sleeve 204 is slidably installed on the rotating shaft 205, a plurality of limiting blocks 207 are fixedly installed on the surface, close to the workbench 1, of the sliding sleeve 204, a plurality of limiting holes 206 are formed in the upper surface of the workbench 1, the limiting blocks 207 are arranged inside the limiting holes 206, when one supporting block 6 is moved, one of the toothed plates 202 can be moved, the gear 203 can be driven to rotate through the movement of one toothed plate 202, and the other toothed plate 202 can be driven to move through the rotation of the gear 203, thereby can drive two supporting shoe 6 to the same distance of opposite reverse movement, thereby can let pneumatic cylinder 9 output be located the position in the middle of two supporting shoe 6 all the time, when removing suitable position with two supporting shoe 6, through setting up stopper 207 inside spacing hole 206, thereby can play fixed effect to gear 203, prevent that the circumstances that the removal from appearing in pinion rack 202, can play fixed effect to supporting shoe 6 and prevent the circumstances that supporting shoe 6 from appearing the removal again.

This structural bearing testing arrangement for bridge design's theory of operation:

when the bridge support is used, firstly, the two supporting blocks 6 are moved according to the length of the bridge support, when one of the supporting blocks 6 is moved, so that one of the toothed plates 202 can be moved, the gear 203 can be driven to rotate by moving one of the toothed plates 202, the other toothed plate 202 can be driven to move by rotating the gear 203, so that the two supporting blocks 6 can be driven to reversely move for the same distance, so that the output end of the hydraulic cylinder 9 can be always positioned at the middle position of the two supporting blocks 6, when the two supporting blocks 6 are moved to the proper position, the limiting block 207 is arranged in the limiting hole 206, so that the gear 203 can be fixed, the toothed plate 202 is prevented from moving, the supporting block 6 can be fixed, the supporting block 6 is prevented from moving again, when the two supporting blocks 6 are adjusted to the proper position, place the both ends of the bridge beam supports who will need the test inside fixed slot 12, through removing fixed plate 14, remove fixed plate 14 to fixed slot 12 upper surface, move bolt 13 through twisting this moment, set up the top of bolt 13 inside bolt hole 15, thereby can fix fixed plate 14 at supporting shoe 6 upper surface, can set up the bridge beam supports inside fixed slot 12, prevent that not hard up condition from appearing in the bridge beam supports, stretch out and draw back through pneumatic cylinder 9 output and can drive pressure piece 10 and remove downwards and carry out the bearing test to the bridge beam supports, can come out the pressure transmission that the bridge beam supports received through pressure sensor 11, the convenience of device has been increased.

It should be noted that the specific model of the hydraulic cylinder 9 is MAL40x500, and the specific model selection calculation method adopts the prior art in the field, so detailed description is omitted.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a structural bearing testing arrangement for bridge design, includes workstation (1), its characterized in that: a plurality of supporting rods (3) are fixedly arranged on the upper surface of the workbench (1), a guide plate (4) is fixedly arranged between every two supporting rods (3), supporting blocks (6) are slidably arranged on the two guide plates (4), the two supporting blocks (6) are connected through a limiting mechanism (2), a fixing groove (12) is arranged on each supporting block (6), a backup plate (7) is fixedly arranged on the upper surface of the workbench (1), a top plate (8) is fixedly arranged at one end of the backup plate (7) far away from the workbench (1), a hydraulic cylinder (9) is fixedly arranged on one surface of the top plate (8) close to the workbench (1), the output end of the hydraulic cylinder (9) is fixedly provided with a pressure block (10), one surface, close to the workbench (1), of the pressure block (10) is fixedly provided with a pressure sensor (11), and the pressure block (10) is located between the two supporting blocks (6).

2. The structural load bearing test device for bridge design according to claim 1, wherein: the supporting block is characterized in that a fixing plate (14) is slidably mounted on the upper surface of the supporting block (6), a bolt (13) is arranged on the fixing plate (14), a bolt hole (15) is formed in the upper surface of the supporting block (6), and the bolt (13) is arranged inside the bolt hole (15).

3. The structural load bearing test device for bridge design according to claim 1, wherein: the lower surface of the supporting block (6) is provided with a sliding block (16), the upper surface of the guide plate (4) is provided with a sliding groove (5), and the sliding block (16) is slidably mounted inside the sliding groove (5).

4. The structural load bearing test device for bridge design according to claim 1, wherein: the limiting mechanism (2) comprises two connecting rods (201) and a rotating shaft (205), and the two connecting rods (201) are fixedly mounted on the lower surfaces of the two supporting blocks (6) respectively.

5. The structural load bearing test device for bridge design of claim 4, wherein: the rotating shaft (205) is rotatably arranged on the upper surface of the workbench (1), and a gear (203) is fixedly arranged at the top end of the rotating shaft (205).

6. The structural load bearing test device for bridge design of claim 4, wherein: two equal fixed mounting in one side that connecting rod (201) are close to each other has pinion rack (202), two pinion rack (202) all are connected with gear (203) meshing.

7. The structural load bearing test device for bridge design of claim 4, wherein: sliding mounting has sliding sleeve (204) on axis of rotation (205), sliding sleeve (204) are close to one side fixed mounting of workstation (1) and have a plurality of stopper (207), workstation (1) upper surface is equipped with a plurality of spacing holes (206), stopper (207) set up inside spacing hole (206).