CN221000632U - Bridge supports adjustment mechanism - Google Patents
Bridge supports adjustment mechanism Download PDFInfo
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- CN221000632U CN221000632U CN202322712950.4U CN202322712950U CN221000632U CN 221000632 U CN221000632 U CN 221000632U CN 202322712950 U CN202322712950 U CN 202322712950U CN 221000632 U CN221000632 U CN 221000632U
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- 230000007246 mechanism Effects 0.000 title claims abstract description 22
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 230000008093 supporting effect Effects 0.000 claims description 22
- 238000010276 construction Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- Bridges Or Land Bridges (AREA)
Abstract
The utility model discloses a bridge support adjusting mechanism, which relates to the technical field of bridge construction and comprises a base, wherein two symmetrically arranged hydraulic cylinders are fixedly arranged at the top of the base, support plates are fixedly arranged at the tail ends of piston rods of the two hydraulic cylinders together, movable grooves are formed in the two ends of the support plates, auxiliary plates are arranged in the movable grooves in a sliding mode, support blocks are fixedly arranged at the two ends of the top of the base, a cross rod is fixedly arranged in the auxiliary plates in a penetrating mode, rotating sleeves are sleeved at the two ends of a rod wall of the cross rod in a rotating mode, telescopic rods are fixedly arranged at the bottoms of the rotating sleeves, and the lower ends of the telescopic rods are in rotating connection with the support blocks. According to the bridge support, the distance between the two auxiliary plates can be adjusted according to the width of the bridge, so that the bridge with various width specifications can be stably supported.
Description
Technical Field
The utility model relates to the technical field of bridge construction, in particular to a bridge support adjusting mechanism.
Background
When the bridge is constructed or relevant detection is carried out, the bridge is required to be stably supported by an external device, so that the bridge can be stably constructed.
Through retrieving, patent number CN216999356U discloses a bridge supports adjusting device for bridge construction, the device is provided with the extension board through the four sides at the base, compressive strength of this device has been improved, the pneumatic cylinder on the base passes through the push rod and drives the backup pad and carry out preliminary support with the bridge, the bracing piece cooperation of backup pad bottom has played stable support's effect with the swivel nut on the connecting plate and screw rod, the pressure of pneumatic cylinder has been reduced, the life of pneumatic cylinder has been improved, the homogeneity of backup pad atress has been improved simultaneously for the backup pad can not fracture because of the atress is uneven, the supporting effect of this device has been improved.
Because the width specification of the bridge is different, and the length of the supporting part is fixed, the bridge cannot be stably supported, and the supporting device has certain limitation.
Disclosure of utility model
The present utility model has been made in view of the above-mentioned problems with the existing bridge support adjustment mechanisms.
Therefore, the utility model aims to provide a bridge support adjusting mechanism, which solves the problems that the width specifications of bridges are different, and the length of a support part is fixed, so that various bridges cannot be stably supported.
In order to achieve the above object, the present utility model provides the following technical solutions:
the utility model provides a bridge supports adjustment mechanism, includes the base, the fixed pneumatic cylinders that are equipped with two symmetries in top of base, two the piston rod end of pneumatic cylinder is fixed jointly and is equipped with the backup pad, the movable groove has all been seted up at the both ends of backup pad, the auxiliary plate that wears to be equipped with in the movable groove in the sliding way, the top both ends of base are all fixed and are equipped with the supporting shoe, the inside of auxiliary plate is fixed wears to be equipped with the horizontal pole, the pole wall both ends of horizontal pole rotate the cover jointly and are equipped with the rotation cover, the bottom of rotating the cover is fixed and is equipped with the telescopic link, the lower extreme and the supporting shoe rotation of telescopic link are connected, and two pneumatic cylinders work simultaneously, can carry out vertical promotion to the backup pad to make backup pad and bridge bottom contact, carry out steady support to the bridge;
and a positioning support mechanism for limiting the telescopic length of the telescopic rod is arranged between the sleeve rod ends at the two ends of the telescopic rod.
Preferably, the through groove is formed in the middle end of the inside of the supporting plate, the double-shaft motor is fixedly arranged on the inner wall of the through groove, the screw rods are fixedly arranged at the two ends of the double-shaft motor, the rod wall of the screw rods penetrates into the moving groove and penetrates through the inside of the auxiliary plate through threads, the screw rods are matched with the auxiliary plate through the threads in a transmission manner, the auxiliary plate can be transversely moved under the driving of the double-shaft motor, and therefore bridges of various specifications can be stably supported under the matching of the two auxiliary plates.
Preferably, the positioning support mechanism comprises a rotating block, a fixed rod is fixedly arranged at the outer side of the lower end of the telescopic rod, the rotating block is slidably sleeved on the outer side of the fixed rod, a screw rod is arranged at the end portion of the rotating block in a rotating mode, a threaded pipe is sleeved on the outer side of the screw rod, the end portion of the threaded pipe is fixedly provided with a positioning rod in a penetrating mode, a positioning groove matched with the positioning rod for insertion is formed in the upper end of the outer side of the telescopic rod, an elastic limiting assembly is arranged at the lower end of the rotating block, after the positioning rod and the positioning groove are inserted, the telescopic rod is adjusted in height, the telescopic length of the telescopic rod is fixed, and accordingly stress uniformity of the supporting plate is guaranteed through three-point support, and the bridge is stably supported.
Preferably, the elastic limiting assembly comprises a baffle and a spring, the baffle is fixedly sleeved on the outer side of the fixing rod, the spring is sleeved on the outer side of the fixing rod, one end of the spring is fixedly connected with the baffle, the other end of the spring is in contact connection with the rotating block, the rotating block can be rotated, the locating rod and the locating groove are inserted before the telescopic rod stretches out and draws back, stable stretching of the telescopic rod is not affected, and meanwhile the locating rod can be conveniently inserted into the locating groove.
Further, the lower end of the telescopic rod is in shaft pin rotation connection with the supporting block.
Preferably, the rotating sleeve is arranged in a U shape, so that the rotating sleeve can stably rotate on the outer side of the auxiliary plate.
In the technical scheme, the utility model has the technical effects and advantages that:
1. According to the bridge girder erection device, the distance between the two auxiliary plates can be adjusted according to the width of the bridge girder through the base, the hydraulic cylinder, the supporting plate, the auxiliary plates, the cross rod, the rotating sleeve, the supporting block, the telescopic rod, the double-shaft motor and the reciprocating screw rod, so that the bridge girder erection device can stably support bridges with various width specifications.
2. According to the utility model, the telescopic rods, the positioning supporting mechanism and the elastic limiting assembly are arranged, so that the telescopic lengths of the two telescopic rods can be fixed after the telescopic rods are adjusted in a lengthening way, the bridge can be supported at three points, the stress is uniform, and the supporting stability is improved while the hydraulic cylinder is protected.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings required for the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is an enlarged schematic view of portion A of FIG. 1 in accordance with the present utility model;
fig. 3 is an enlarged schematic view of the portion B of fig. 1 according to the present utility model.
Reference numerals illustrate:
1. A base; 2. a hydraulic cylinder; 3. a support plate; 4. an auxiliary plate; 5. a support block; 6. a cross bar; 7. a rotating sleeve; 8. a telescopic rod; 9. a biaxial motor; 10. a screw rod; 11. a rotating block; 12. a fixed rod; 13. a screw; 14. a threaded tube; 15. a positioning rod; 16. a baffle; 17. and (3) a spring.
Detailed Description
In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.
The embodiment of the utility model discloses a bridge support adjusting mechanism.
The utility model provides a bridge support adjusting mechanism shown in fig. 1-3, which comprises a base 1, wherein two symmetrically arranged hydraulic cylinders 2 are fixedly arranged at the top of the base 1, support plates 3 are fixedly arranged at the tail ends of piston rods of the two hydraulic cylinders 2 together, moving grooves are formed in two ends of each support plate 3, auxiliary plates 4 are penetrated in the moving grooves in a sliding manner, support blocks 5 are fixedly arranged at the two ends of the top of the base 1, a cross rod 6 is fixedly penetrated in the auxiliary plates 4, a rotating sleeve 7 is sleeved at the two ends of the rod wall of the cross rod 6 in a rotating manner, the rotating sleeve 7 is arranged in a U-shaped manner, a telescopic rod 8 is fixedly arranged at the bottom of the rotating sleeve 7, the lower end of the telescopic rod 8 is in rotating connection with the support blocks 5, and the lower end of the telescopic rod 8 is in shaft pin rotating connection with the support blocks 5.
When the bridge is required to be stably supported in bridge construction, the base 1 can be firstly fixed at the bottom of the bridge, then the two hydraulic cylinders 2 are simultaneously started, the supporting plate 3 starts to move upwards and contacts with the bottom of the bridge, the width of the bottom of the bridge can be observed before the supporting plate is contacted with the supporting plate, the two auxiliary plates 4 are transversely moved, the distance between the two auxiliary plates 4 is matched with the width of the bridge, and therefore when the supporting plate 3 supports the bridge, the auxiliary plates 4 are matched with each other, the bottom of the bridge can be comprehensively wrapped and supported, and the supporting stability is improved.
In order to perform stable transverse adjustment on the auxiliary plate 4, as shown in fig. 1, a through groove is formed in the middle end of the inner portion of the supporting plate 3, a double-shaft motor 9 is fixedly arranged on the inner wall of the through groove, screw rods 10 are fixedly arranged at two ends of the double-shaft motor 9, and the rod wall of the screw rods 10 penetrates into the moving groove and penetrates into the inner portion of the auxiliary plate 4 in a threaded manner.
Before the support work is carried out, the double-shaft motor 9 can be driven, so that the two screw rods 10 can rotate simultaneously, and the auxiliary plate 4 can only move transversely under the limit of the moving groove because the auxiliary plate 4 slides in the moving groove, so that the distance between the two auxiliary plates 4 can be conveniently adjusted.
In order to stably support the auxiliary plate 4 and the support plate 3 after the position of the auxiliary plate 4 is adjusted, so as to ensure that the bridge is supported at multiple points, and avoid damage to a hydraulic cylinder caused by uneven stress as much as possible, as shown in fig. 1-3, a positioning support mechanism for limiting the telescopic length of the telescopic rod 8 is arranged between two end sleeve rod ends of the telescopic rod 8, the positioning support mechanism comprises a rotating block 11, a fixed rod 12 is fixedly arranged at the outer side of the lower end of the telescopic rod 8, the rotating block 11 is slidably sleeved at the outer side of the fixed rod 12, a screw rod 13 is rotatably arranged at the end part of the rotating block, a threaded pipe 14 is sleeved at the outer side of the screw rod 13, a positioning rod 15 is fixedly arranged at the end part of the threaded pipe 14 in a penetrating manner, a positioning groove matched with the positioning rod 15 is formed at the outer upper end of the telescopic rod 8, and an elastic limiting component is arranged at the lower end of the rotating block 11;
The elastic limiting assembly comprises a baffle 16 and a spring 17, the baffle 16 is fixedly sleeved on the outer side of the fixed rod 12, the spring 17 is sleeved on the outer side of the fixed rod 12, one end of the spring 17 is fixedly connected with the baffle 16, and the other end of the spring is in contact connection with the rotating block 11.
When the height of the support plate 3 is adjusted, the two rotating blocks 11 are pulled, the rotating blocks 11 move along the fixed rod 12, at the moment, under the limit of the baffle 16, the rotating blocks 11 squeeze the springs 17 and drive the threaded pipes 14 to move, the positioning rods 15 are pulled out of the positioning grooves, when the support plate 3 moves longitudinally, the telescopic rods 8 are pulled under the rotating support of the rotating sleeves 7, the cross rods 9 and the support blocks 5, after the bridge is supported, the threaded pipes 14 can be held, the threaded rods 13 are rotated, the distance between the threaded pipes 14 and the threaded rods 13 can be adjusted, and after the rotating blocks 11 rotate back to the original position, the positioning rods 15 can be continuously inserted into the positioning grooves under the elasticity of the springs 17 to fix the telescopic distances of the telescopic rods 8, at the moment, the bridge can be supported in multiple points under the support of the telescopic rods 8, the uniformity of stress is ensured, and the support stability is improved.
While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.
Claims (6)
1. The utility model provides a bridge supports adjustment mechanism, includes base (1), its characterized in that, the top of base (1) is fixed to be equipped with two pneumatic cylinders (2) that symmetry set up, two the piston rod end of pneumatic cylinder (2) is fixed jointly and is equipped with backup pad (3), the removal groove has all been seted up at the both ends of backup pad (3), it wears to be equipped with auxiliary plate (4) to slide in the removal groove, the top both ends of base (1) are all fixed and are equipped with supporting shoe (5), the inside of auxiliary plate (4) is fixed wears to be equipped with horizontal pole (6), the pole wall both ends joint rotation cover of horizontal pole (6) is equipped with rotation cover (7), the bottom of rotation cover (7) is fixed and is equipped with telescopic link (8), the lower extreme and the supporting shoe (5) of telescopic link (8) rotate and are connected;
a positioning support mechanism for limiting the telescopic length of the telescopic rod (8) is arranged between the two end sleeve rod ends of the telescopic rod (8).
2. Bridge support adjusting mechanism according to claim 1, characterized in that the inner middle end of the supporting plate (3) is provided with a through groove, the inner wall of the through groove is fixedly provided with a double-shaft motor (9), two ends of the double-shaft motor (9) are fixedly provided with screw rods (10), and the rod wall of the screw rods (10) penetrates into the moving groove and is threaded through the inside of the auxiliary plate (4).
3. The bridge support adjusting mechanism according to claim 1, wherein the positioning supporting mechanism comprises a rotating block (11), a fixed rod (12) is fixedly arranged at the outer side of the lower end of the telescopic rod (8), the rotating block (11) is slidably sleeved on the outer side of the fixed rod (12), a screw rod (13) is rotatably arranged at the end part of the rotating block, a threaded pipe (14) is sleeved on the outer side of the screw rod (13), a positioning rod (15) is fixedly arranged at the end part of the threaded pipe (14) in a penetrating manner, a positioning groove for being matched with the positioning rod (15) in a plugging manner is formed in the upper end of the outer side of the telescopic rod (8), and an elastic limiting component is arranged at the lower end of the rotating block (11).
4. The bridge support adjusting mechanism according to claim 3, wherein the elastic limiting assembly comprises a baffle plate (16) and a spring (17), the baffle plate (16) is fixedly sleeved on the outer side of the fixed rod (12), the spring (17) is sleeved on the outer side of the fixed rod (12), one end of the spring (17) is fixedly connected with the baffle plate (16), and the other end of the spring is in contact connection with the rotating block (11).
5. Bridge support adjustment mechanism according to claim 1, characterized in that the lower end of the telescopic rod (8) is pivotally connected to the support block (5).
6. Bridge support adjustment mechanism according to claim 1, characterized in that the swivel sleeve (7) is arranged in a U-shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322712950.4U CN221000632U (en) | 2023-10-10 | 2023-10-10 | Bridge supports adjustment mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322712950.4U CN221000632U (en) | 2023-10-10 | 2023-10-10 | Bridge supports adjustment mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221000632U true CN221000632U (en) | 2024-05-24 |
Family
ID=91088698
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322712950.4U Active CN221000632U (en) | 2023-10-10 | 2023-10-10 | Bridge supports adjustment mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221000632U (en) |
-
2023
- 2023-10-10 CN CN202322712950.4U patent/CN221000632U/en active Active
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