CN220508370U - Limiting device for heavy hammer in bridge load test - Google Patents
Limiting device for heavy hammer in bridge load test Download PDFInfo
- Publication number
- CN220508370U CN220508370U CN202322184159.0U CN202322184159U CN220508370U CN 220508370 U CN220508370 U CN 220508370U CN 202322184159 U CN202322184159 U CN 202322184159U CN 220508370 U CN220508370 U CN 220508370U
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- load test
- weight
- limiting
- inclined supporting
- bridge load
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- 238000012360 testing method Methods 0.000 title claims abstract description 34
- 238000001514 detection method Methods 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 3
- 239000003381 stabilizer Substances 0.000 description 4
- 238000007664 blowing Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000009711 regulatory function Effects 0.000 description 2
- 238000012876 topography Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The application discloses bridge is stop device for load test weight, it includes support and spacing casing, spacing casing is fixed in the support, spacing casing has been seted up and has been used for placing the placing cavity of weight, place the cavity and supply the weight to follow vertical direction and remove, the through-hole has all been seted up to the top and the bottom of spacing casing, the through-hole is used for the intercommunication place cavity and outside. The bridge load test device has the effect of improving the detection accuracy of the bridge load test.
Description
Technical Field
The application relates to the field of bridge load tests, in particular to a limiting device for a heavy hammer for a bridge load test.
Background
At present, strain and deflection detection are indispensable in the bridge load test process, based on the prior art and equipment limitation, the deflection measurement of the existing bridge load test mostly uses a sticky wood block, a steel wire is hung, then a heavy hammer is hung, the deformation of the bridge is transferred to a ground accessory, deflection measuring equipment (dial indicator and the like) is used for reading the deformation of the bridge, in the process, as the heavy hammer is suspended and not constrained by any, natural wind is blown under the bridge frequently, so that the heavy hammer can slightly swing, the accuracy of deflection measurement of the heavy hammer influenced by wind force is reduced, namely, the detection accuracy of the bridge load test is reduced, and therefore improvement is needed.
Disclosure of Invention
In order to improve the detection accuracy of bridge load test, the application provides a stop device for bridge load test weight.
The application provides a stop device for bridge load test weight adopts following technical scheme:
the utility model provides a bridge load is stop device for experimental weight, includes support and spacing casing, spacing casing is fixed in the support, spacing casing has been seted up and has been used for placing the placing cavity of weight, place the cavity and supply the weight to remove along vertical direction, the through-hole has all been seted up to spacing casing's top and bottom, the through-hole is used for the intercommunication place cavity and outside.
Through adopting above-mentioned technical scheme, during bridge load test, unsettled place the weight in placing the intracavity, spacing casing blocks the natural wind that blows through the bridge to prevent that the weight from receiving the exogenic action of natural wind and taking place the offset, play spacing effect to the weight, make the weight singly receive the action of gravity, shift the heavy burden to the bridge with the weight, avoid transmitting other exogenic forces to the bridge, improve bridge load test's detection accuracy.
Preferably, the support comprises three inclined supporting rods, one end of each inclined supporting rod is used for being connected with the ground, the other end of each inclined supporting rod is connected with the limiting shell, the three inclined supporting rods are arranged at intervals along the circumferential direction of the limiting shell, and the three inclined supporting rods jointly form a tripod.
By adopting the technical scheme, the tripod improves the stability of the bracket and has lower cost.
Preferably, the support further comprises three threaded pipes, three threaded pipes and three inclined supporting rods are in one-to-one correspondence, the threaded pipes and the inclined supporting rods are coaxially arranged, external threads are convexly arranged on the outer walls of the inclined supporting rods, internal threads are arranged in the threaded pipes, one ends, far away from the limiting shell, of the inclined supporting rods are in threaded connection with the threaded pipes, and one ends, far away from the inclined supporting rods, of the threaded pipes are used for being connected with the ground.
Through adopting above-mentioned technical scheme, make three stabilizer blade heights of tripod all possess regulatory function, stretch into the length of screwed pipe in order to adjust the whole length of stabilizer blade through adjusting the diagonal brace to make spacing casing all can be in vertical state in different topography.
Preferably, an end of the threaded pipe close to the ground is provided with a sliding prevention piece for increasing friction force.
By adopting the technical scheme, the anti-skid piece improves the overall stability of the bracket.
Preferably, the outer wall of the limit housing is provided with a level, and the extending direction of the level is perpendicular to the extending direction of the limit housing.
By adopting the technical scheme, the level gauge is used as a reference object of the adjusting bracket, and when the level gauge is in a horizontal state, the limiting shell is in a vertical state.
Preferably, the limiting shell is further provided with a fixing piece, and the fixing piece is fixed with a dial indicator for measuring the weight in the placing cavity.
Through adopting above-mentioned technical scheme, percentage table and spacing casing combine, do not need additionally to use the percentage table, improve holistic functionality, the bridge load test of being convenient for.
Preferably, the outer wall of the limit housing is provided with a vertical guide rail, the fixing piece is provided with a sliding part, the sliding part is installed on the guide rail and used for sliding along the guide rail, the guide rail is also provided with a limit piece, and the limit piece is used for limiting the movement of the sliding part.
Through adopting above-mentioned technical scheme, adjust the position that the mounting is located the guide rail to adjust the position of percentage table, make the position of percentage table have adjustability, when the percentage table is located required position, through the position of mounting fixed.
Preferably, the size of the placing cavity is larger than that of the heavy hammer, and when the heavy hammer is placed in the placing cavity, a gap is reserved between the inner wall of the placing cavity and the heavy hammer.
Through adopting above-mentioned technical scheme, make the weight be difficult for with place the inner wall contact in chamber, then avoid the weight and place the inner wall friction in chamber to avoid placing the chamber and influence testing result, improve bridge load test's detection accuracy.
In summary, the present application includes at least one of the following beneficial technical effects:
1. when the bridge load test is carried out, the heavy hammer is suspended in the placing cavity, and the limiting shell blocks natural wind blowing through the bridge, so that the heavy hammer is prevented from generating position deviation under the action of external force of natural wind, the heavy hammer is limited, the heavy hammer is enabled to be acted by gravity alone, the load of the heavy hammer is transferred to the bridge, other external force is prevented from being transferred to the bridge, and the detection accuracy of the bridge load test is improved;
2. three stabilizer blade heights of tripod all possess regulatory function, stretch into the length of screwed pipe in order to adjust the whole length of stabilizer blade through adjusting the diagonal brace to make spacing casing all can be in vertical state in different topography.
Drawings
Fig. 1 is a schematic overall structure of an embodiment of the present application.
FIG. 2 is a schematic front view of a part of the structure of the embodiment of the present application when a weight is placed.
Fig. 3 is an enlarged view of section a of fig. 1 of the present application.
Reference numerals illustrate:
1. a limit housing; 2. a bracket; 3. a placement cavity; 4. a diagonal brace; 5. a threaded tube; 6. a guard; 7. a level gauge; 8. a guide rail; 9. a fixing member; 91. a sliding part; 10. a dial indicator; 11. a bar-shaped hole; 12. a limiting piece; 121. a screw; 122. a nut; 13. and a heavy hammer.
Detailed Description
The present application is described in further detail below in conjunction with figures 1-3.
The embodiment of the application discloses a bridge load test stop device for weight. Referring to fig. 1 and 2, a bridge is stop device for load test weight, including support 2 and spacing casing 1, spacing casing 1 is fixed in support 2, spacing casing 1 has offered the chamber 3 of placing that is used for placing weight 13, in this application embodiment, spacing casing 1 and the shape of placing chamber 3 are the cylinder, can be other shapes in other embodiments, place chamber 3 and supply weight 13 to follow vertical direction and remove, place the size of chamber 3 and be greater than the size of weight 13, when weight 13 is placed in placing chamber 3, leave the clearance between the inner wall of placing chamber 3 and weight 13, the through-hole has all been seted up to the top and the bottom of spacing casing 1, the through-hole is used for the intercommunication to place chamber 3 and outside.
Referring to fig. 1 and 2, the bracket 2 includes three diagonal braces 4 and three screwed pipes 5, three diagonal braces 4 and three screwed pipes 5 one-to-one, screwed pipes 5 and diagonal braces 4 are coaxially arranged, external threads are convexly arranged on the outer wall of diagonal brace 4, internal threads are arranged in screwed pipes 5, one end of diagonal brace 4 far away from limiting shell 1 is in threaded connection with screwed pipes 5, one end of screwed pipes 5 far away from diagonal brace 4 is used for being connected with the ground, one end of diagonal brace 4 far away from screwed pipes 5 is fixedly connected with limiting shell 1, three diagonal braces 4 are arranged along the circumferential interval of limiting shell 1, three diagonal braces 4 and three screwed pipes 5 jointly form a tripod, one end of screwed pipes 5 close to the ground is fixed with an anti-slip piece, and the surface of the anti-slip piece is convexly provided with anti-slip patterns for increasing friction force.
Referring to fig. 1 and 2, the level gauge 7 is installed on the outer wall of the limit housing 1, the extending direction of the level gauge 7 is perpendicular to the extending direction of the limit housing 1, and when the level gauge 7 is in a horizontal state, the limit housing 1 is in a vertical state by means of the level gauge 7 as a reference of the adjusting bracket 2.
Referring to fig. 1 to 3, the surface of the limit housing 1 is further provided with a vertically arranged guide rail 8 in a protruding manner, two sides of the guide rail 8 are provided with penetrating strip-shaped holes 11, a fixing member 9 of an L shape is connected in a sliding manner in the guide rail 8, a sliding portion 91 of the fixing member 9 is arranged in the guide rail 8, the fixing member 9 is provided with penetrating limit holes, a screw 121 penetrates through the limit holes from one side of the guide rail 8 to the other side of the guide rail 8, penetrates through the strip-shaped holes 11 to the outside of the guide rail 8 at the other side of the guide rail, and is connected with a nut 122 in a threaded manner, when the screw 121 and the nut 122 are screwed down, the screw 121 and the nut 122 are respectively abutted against two side outer walls of the guide rail 8, so that the sliding portion 91 of the fixing member 9 is limited, and in the embodiment of the application, the screw 121 and the nut 122 are jointly used as the limit member 12 to limit the sliding portion 91. The horizontal part of the fixing piece 9 is fixed with a dial indicator 10, and the detection end of the dial indicator 10 extends from the lower part of the placing cavity 3 to the inside of the placing cavity 3 and is used for contacting with a heavy hammer 13 placed in the placing cavity 3 and testing the vertical deflection degree of the heavy hammer 13.
The implementation principle of the limiting device for the heavy hammer for the bridge load test in the embodiment of the application is as follows: and the tripod is adjusted, so that the limiting shell 1 is in a vertical state, and the heavy hammer 13 is suspended in the placing cavity 3 during bridge load test, so that the limiting shell 1 blocks natural wind blowing through a bridge, thereby preventing the heavy hammer 13 from receiving the external force of the natural wind and improving the detection accuracy of the bridge load test.
The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.
Claims (8)
1. The utility model provides a stop device for bridge load test weight, its characterized in that, includes support (2) and spacing casing (1), spacing casing (1) is fixed in support (2), spacing casing (1) has been seted up and has been used for placing cavity (3) of weight, place cavity (3) and supply the weight to follow vertical direction and remove, the through-hole has all been seted up at the top and the bottom of spacing casing (1), the through-hole is used for the intercommunication place cavity (3) and outside.
2. The limiting device for the bridge load test heavy hammer according to claim 1, wherein the bracket (2) comprises three inclined supporting rods (4), one end of each inclined supporting rod (4) is connected with the ground, the other end of each inclined supporting rod is connected with the limiting shell (1), the three inclined supporting rods (4) are arranged at intervals along the circumferential direction of the limiting shell (1), and the three inclined supporting rods (4) jointly form a tripod.
3. The limiting device for the bridge load test heavy hammer according to claim 2, wherein the bracket (2) further comprises three threaded pipes (5), the three threaded pipes (5) and the three inclined supporting rods (4) are in one-to-one correspondence, the threaded pipes (5) and the inclined supporting rods (4) are coaxially arranged, external threads are convexly arranged on the outer wall of the inclined supporting rods (4), internal threads are arranged in the threaded pipes (5), one end, far away from the limiting shell (1), of the inclined supporting rods (4) is in threaded connection with the threaded pipes (5), and one end, far away from the inclined supporting rods (4), of the threaded pipes (5) is used for being connected with the ground.
4. A limiting device for a bridge load test weight according to claim 3, wherein an end of the threaded pipe (5) close to the ground is provided with an anti-slip member for increasing friction.
5. The limiting device for the bridge load test heavy hammer according to claim 1, wherein a level meter (7) is installed on the outer wall of the limiting shell (1), and the extending direction of the level meter (7) is perpendicular to the extending direction of the limiting shell (1).
6. The limiting device for the bridge load test heavy hammer according to claim 1, wherein the limiting shell (1) is further provided with a fixing piece (9), the fixing piece (9) is fixed with a dial indicator (10), and the dial indicator is used for measuring the heavy hammer in the placing cavity (3).
7. The limiting device for the bridge load test weight according to claim 6, wherein a vertical guide rail (8) is arranged on the outer wall of the limiting shell (1), a sliding part (91) is arranged on the fixing piece (9), the sliding part (91) is installed on the guide rail (8), the sliding part (91) is used for sliding along the guide rail (8), a limiting piece (12) is further arranged on the guide rail (8), and the limiting piece (12) is used for limiting the sliding part (91) to move.
8. The limiting device for the bridge load test weight according to claim 1, wherein the size of the placing cavity (3) is larger than that of the weight, and when the weight is placed in the placing cavity (3), a gap is reserved between the inner wall of the placing cavity (3) and the weight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322184159.0U CN220508370U (en) | 2023-08-14 | 2023-08-14 | Limiting device for heavy hammer in bridge load test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322184159.0U CN220508370U (en) | 2023-08-14 | 2023-08-14 | Limiting device for heavy hammer in bridge load test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220508370U true CN220508370U (en) | 2024-02-20 |
Family
ID=89874013
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322184159.0U Active CN220508370U (en) | 2023-08-14 | 2023-08-14 | Limiting device for heavy hammer in bridge load test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220508370U (en) |
-
2023
- 2023-08-14 CN CN202322184159.0U patent/CN220508370U/en active Active
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