CN220418352U - Support auxiliary device for bridge deflection measurement - Google Patents
Support auxiliary device for bridge deflection measurement Download PDFInfo
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- CN220418352U CN220418352U CN202321883344.2U CN202321883344U CN220418352U CN 220418352 U CN220418352 U CN 220418352U CN 202321883344 U CN202321883344 U CN 202321883344U CN 220418352 U CN220418352 U CN 220418352U
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- telescopic rod
- limiting
- telescopic
- bridge
- rod
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- 238000005259 measurement Methods 0.000 title claims abstract description 39
- 238000009434 installation Methods 0.000 description 13
- 238000000034 method Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The application discloses a support auxiliary device for bridge deflection measurement, which comprises a vertical line, a hoisting frame and a telescopic rod, wherein one end of the vertical line is fixed at a measuring point of a bridge, the hoisting frame is used for installing a measuring instrument, the vertical line is in adjustable connection with the hoisting frame, the hoisting frame is in movable connection with the telescopic rod, and the telescopic rod is provided with a limiting assembly for limiting and fixing the frame; the bottom connection of telescopic link can be dismantled and is connected with flexible foot rest. The bridge deflection measuring device has the advantages that the measuring instrument is convenient to erect below the bridge measuring point, and the accuracy of the bridge deflection measuring result is improved.
Description
Technical Field
The application relates to the field of bridge detection equipment, in particular to a support auxiliary device for bridge deflection measurement.
Background
Deflection is the linear displacement of the axis of the rod piece in the direction vertical to the axis or the linear displacement of the middle surface of the plate shell in the direction vertical to the middle surface when the stress or the uneven temperature changes; in bridge load test, deflection measurement is indispensable.
In the related art, in the current methods for measuring the deflection of the bridge, the method for measuring by adopting an electromechanical dial indicator (dial indicator) is widely applied; in order to achieve good stability of the results of the dial indicator, the measurement data of the dial indicator can be conveniently read, and a scaffold or a crane hanging hammer method is required to be built to realize the measurement of the bridge deflection before the dial indicator is used for measurement; but the site conditions of the bridge are easily affected by site environment and are difficult to realize: if the hanging hammer method is easily affected by the field environment of wading under the bridge, the stability requirement of the scaffold is difficult to meet, and the measuring instrument is difficult to erect below the bridge measuring point under the influence of the environment of strong wind weather, so that the accuracy of the bridge deflection measurement result is low, and the improvement space exists.
Disclosure of Invention
In order to facilitate the erection of measuring instruments below bridge measuring points and improve the accuracy of bridge deflection measurement results, the application provides a support auxiliary device for bridge deflection measurement.
The application provides a support auxiliary device for bridge deflection measurement adopts following technical scheme:
the supporting auxiliary device for bridge deflection measurement comprises a vertical line, a hoisting frame and a telescopic rod, wherein one end of the vertical line is fixed at the measuring point position of a bridge, the hoisting frame is used for installing a measuring instrument, the vertical line is in adjustable connection with the hoisting frame, the hoisting frame is in movable connection with the telescopic rod, and the telescopic rod is provided with a limiting piece for limiting and fixing the hoisting frame; the bottom of telescopic link is connected with the detachable flexible foot rest.
By adopting the technical scheme, the hoisting frame is used for installing a measuring instrument of a dial indicator or a dial indicator, and the hoisting frame is connected with a measured beam body through a vertical line; when the environment of the weather conditions such as the water-free field under the bridge or the strong wind is met, one end of the vertical line is fixed at the measuring point position of the bridge, then the bottom end of the vertical line is connected with the lifting frame, the lifting frame is provided with the measuring instrument, then the telescopic rod and the telescopic foot frame are fixed at the construction position (such as the river bank) right below the measuring point of the bridge, and then the lifting frame is fixed on the telescopic rod, namely, the dial indicator is stably arranged at the position right below the measuring point for measurement; the accuracy of the bridge deflection measurement result is improved; according to the technical scheme, the measuring instrument lifting device is formed by the vertical line and the lifting frame, then the lifting frame is mounted at the lower position of the bridge measuring point by the telescopic rod and the telescopic foot frame, the mounting and the dismounting are more convenient, namely the telescopic rod and the telescopic foot frame play a supporting auxiliary role in the stable measurement of the dial indicator, and accordingly the measuring instrument is conveniently erected below the bridge measuring point and is more convenient to operate.
Preferably, the vertical lines are provided with a plurality of hanging frames; the plurality of vertical lines are arranged in one-to-one correspondence with the plurality of hoisting frames.
By adopting the technical scheme, the same telescopic rod can simultaneously measure a plurality of bridge deflection measuring points, and a worker can select the measured group number according to the use condition of the worker, so that the applicability of the supporting auxiliary device is improved, and the accuracy of the measuring result is improved by the aid of the plurality of groups of measuring data.
Preferably, the telescopic foot rest is provided with a plurality of telescopic foot rest, and a plurality of telescopic foot rest are arranged along the bottom interval of telescopic link.
Through adopting above-mentioned technical scheme, a plurality of telescopic foot rest have improved the installation stability of telescopic link, are favorable to installing measuring instrument and hoist and mount frame and measure in the position under the bridge measurement station.
Preferably, the telescopic rod comprises a plurality of telescopic rods hollow in the interior, wherein the upper telescopic rod in each two adjacent telescopic rods can be contracted into the hole of the lower telescopic rod.
By adopting the technical scheme, the installation length of the telescopic rod can be adaptively adjusted.
Preferably, the limiting component comprises an adjusting rotating rod, a limiting block and an elastic knob; the adjusting rotating rod is detachably connected with the telescopic rod, the telescopic rod is provided with a limiting groove, and the telescopic rod is provided with a limiting hole communicated with the limiting groove; the bottom of adjusting the dwang is provided with the stopper, the stopper peg graft in the spacing inslot, elasticity knob pass spacing hole and support tightly in the stopper.
Through adopting above-mentioned technical scheme, the telescopic link realizes detachable installation through stopper, elasticity knob and the regulation dwang of bottom to be convenient for fix hoist and mount frame and measuring apparatu table in the top position of telescopic link and measure.
Preferably, the lifting frame is provided with a limiting ring, the inner ring of the limiting ring is communicated with the lifting frame for the measuring rod of the measuring instrument to pass through for installation, the side wall of the limiting ring is in threaded connection with a limiting knob, and the end part of the limiting knob is abutted to the measuring rod of the measuring instrument.
Through adopting above-mentioned technical scheme, when installing measuring instrument, the accessible passes measuring instrument's measuring stick behind the inner circle of spacing ring, and the spacing knob of reuse supports tightly installs, conveniently installs measuring instrument.
Preferably, a hanging ring is arranged at the top of the hanging frame, and the bottom end of the vertical line is sleeved and bound to the hanging ring.
Through adopting above-mentioned technical scheme, the plumb line is tied up on rings to when actual measurement, according to the high suitable plumb line length of selection of measuring, in order to adjust the installation height of hoist and mount frame.
Preferably, the adjusting rotating rod is provided with an elastic piece, one end of the elastic piece is connected with the adjusting rotating rod, and the other end of the elastic piece is connected with the hoisting frame.
Through adopting above-mentioned technical scheme, the length of elastic component is adjustable, and the elastic component has improved the shock resistance of hoist and mount frame and measuring instrument, is convenient for stabilize measuring instrument under bridge measurement station position.
In summary, the present application includes at least one of the following beneficial technical effects:
1. when the environment of the weather conditions such as the water-free field under the bridge or the strong wind is met, one end of the vertical line is fixed at the measuring point position of the bridge, then the bottom end of the vertical line is connected with the lifting frame, the lifting frame is provided with the measuring instrument, then the telescopic rod and the telescopic foot frame are fixed at the construction position (such as the river bank) right below the measuring point of the bridge, and then the lifting frame is fixed on the telescopic rod, namely, the dial indicator is stably arranged at the position right below the measuring point for measurement; the accuracy of the bridge deflection measurement result is improved; according to the technical scheme, the measuring instrument lifting device is formed by the vertical line and the lifting frame, then the lifting frame is arranged below the bridge measuring point by the telescopic rod and the telescopic foot frame, so that the mounting and the dismounting are convenient, namely the telescopic rod and the telescopic foot frame play a supporting auxiliary role in the stable measurement of the dial indicator, and the measuring instrument is conveniently erected below the bridge measuring point and is convenient to operate;
2. the installation length of the telescopic rod can be adaptively adjusted;
3. the telescopic link passes through stopper, elasticity knob and the regulation dwang of bottom and realizes detachable installation to be convenient for fix hoist and mount frame and measuring apparatu table in the top position of telescopic link and measure.
Drawings
Fig. 1 is a schematic view of an overall installation structure of a support auxiliary device for bridge deflection measurement according to an embodiment of the present application.
Fig. 2 is a schematic diagram of an installation structure of a lifting telescopic rod and a limiting assembly of a support auxiliary device for bridge deflection measurement according to an embodiment of the application.
Reference numerals illustrate:
1. a vertical line; 2. hoisting the frame; 21. a hanging ring; 22. a limiting ring; 23. a limit knob; 3. a telescopic rod; 31. a telescopic tube rod; 4. a limit component; 41. adjusting the rotating rod; 42. a limiting block; 43. an elastic member; 5. a tightening knob; 6. a telescopic foot rest; 61. a telescopic tube; 80. a measuring instrument; 90. and (3) a bridge.
Detailed Description
The present application is described in further detail below in conjunction with figures 1-2.
The embodiment of the application discloses a support auxiliary device for bridge deflection measurement. Referring to fig. 1 and 2, the support auxiliary device for bridge deflection measurement comprises a vertical line 1 with one end fixed at the measuring point position of a bridge 90, a hoisting frame 2 for installing a measuring instrument 80 (such as a dial indicator) and a telescopic rod 3; the vertical lines 1 are provided with a plurality of hanging frames 2; the plurality of vertical lines 1 are arranged in one-to-one correspondence with the plurality of hoisting frames 2; in the embodiment, two vertical lines 1 and two hoisting frames 2 are arranged; the top of the lifting frame 2 is provided with a lifting ring 21, the bottom end of the vertical line 1 is sleeved and bound on the lifting ring 21, so that the vertical line 1 is in adjustable connection with the lifting frame 2, the lifting frame 2 is in movable connection with the telescopic rod 3, and the telescopic rod 3 is provided with a limiting assembly 4 for limiting and fixing the lifting frame 2; the bottom connection of telescopic link 3 can be dismantled and be connected with telescopic foot rest 6.
Referring to fig. 1 and 2, a limit ring 22 is installed at the bottom of a hoisting frame 2, an inner ring of the limit ring 22 is communicated with the hoisting frame 2 for the measuring rod of a measuring instrument 80 to pass through, a limit knob 23 is connected with the side wall of the limit ring 22 in a threaded manner, and the end part of the limit knob 23 is abutted against the measuring rod of the measuring instrument 80; when the measuring instrument 80 is installed, the measuring instrument 80 can be conveniently installed by penetrating the measuring rod of the measuring instrument 80 through the inner ring of the limiting ring 22 and then using the limiting knob to tightly support and install.
Referring to fig. 1 and 2, the limit assembly 4 includes an adjustment rotation lever 41, a limit block 42, and a tightening knob 5; the adjusting rotating rod 41 is detachably connected with the telescopic rod 3, the telescopic rod 3 is provided with a limiting groove, and the telescopic rod 3 is provided with a limiting hole communicated with the limiting groove; a limiting block 42 is arranged at the bottom of the adjusting rotating rod 41, the limiting block 42 is inserted into the limiting groove, and the elastic knob 5 passes through the limiting hole and abuts against the limiting block 42; the adjusting rotating rod 41 can adjust the installation angle so as to adjust the installation angle and the verticality of the whole lifting frame 2; the telescopic rod 3 is detachably installed with the adjusting rotating rod 41 through the limiting block 42 and the elastic knob 5 at the bottom, so that the lifting frame 2 and the measuring instrument 80 are conveniently fixed at the upper position of the telescopic rod 3 for measurement.
Referring to fig. 1 and 2, the adjustment rotation lever 41 is provided with an elastic member 43, one end of the elastic member 43 is connected with the adjustment rotation lever 41, and the other end of the elastic member 43 is connected with the hoist frame 2; each adjusting rotating rod 41 is connected with two elastic pieces 43 which are arranged at intervals, and the elastic pieces 43 are springs; the length of the elastic piece 43 is adjustable, the elastic piece 43 improves the anti-vibration performance of the hoisting frame 2 and the measuring instrument 80, and the measuring instrument 80 can be conveniently stabilized at the position right below the measuring point position of the bridge 90.
Referring to fig. 1 and 2, a plurality of telescopic foot frames 6 are provided, the plurality of telescopic foot frames 6 are arranged at intervals along the bottom of the telescopic rod 3, and the telescopic foot frames 6 are in two support forms which are arranged in a forked manner towards the bottom; the telescopic foot rests 6 which are arranged in a mutually forked manner are convenient for workers to place the telescopic rod 3 on soft soil layers such as under-bridge wading; the telescopic foot rest 6 comprises a plurality of telescopic pipes 61 with hollow interiors, wherein the telescopic pipe 61 at the top in each two adjacent telescopic pipes 61 can be telescopic into the pipe hole of the telescopic pipe 61 at the bottom, and each two adjacent telescopic rods 3 are provided with an elastic knob 5, so that the installation height of the telescopic foot rest 6 can be conveniently adjusted by staff according to actual use conditions, and the applicability is higher.
Referring to fig. 1 and 2, the telescopic rod 3 includes a plurality of telescopic rods 31 having hollow interiors, wherein the upper telescopic rod 31 of each adjacent two telescopic rods 31 is retractable into the hole of the lower telescopic rod 31; two adjacent telescopic pipe rods 31 are tightly abutted and installed through the elastic knob 5, so that the installation length of the telescopic rod 3 can be conveniently adjusted.
The implementation principle of the support auxiliary device for bridge deflection measurement is as follows: in the environment of the weather conditions such as the under-bridge wading site or the strong wind, one end of the vertical line 1 is fixed at the measuring point position of the bridge 90, then the bottom end of the vertical line 1 is connected with the lifting frame 2, the measuring instrument 80 is arranged on the lifting frame 2, then the telescopic rod 3 and the telescopic foot rest 6 are fixed at the construction position (such as the river bank) right below the measuring point of the bridge 90, and then the lifting frame 2 is fixed on the telescopic rod 3 in the next step, namely, the dial indicator is stably arranged at the position right below the measuring point for measurement; the accuracy of the bridge 90 deflection measurement result is improved; according to the technical scheme, the measuring instrument 80 hoisting device is formed by the vertical line 1 and the hoisting frame 2, then the hoisting frame 2 is mounted below the bridge 90 measuring point by the telescopic rod 3 and the telescopic foot stool 6, the mounting and the dismounting are more convenient, namely the telescopic rod 3 and the telescopic foot stool 6 play a supporting auxiliary role in the stable measurement of the measuring instrument 80 such as the dial indicator, and accordingly the measuring instrument 80 is conveniently erected below the bridge 90 measuring point and is more convenient to operate.
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 supporting auxiliary device for bridge deflection measurement is characterized by comprising a vertical line (1) with one end fixed at a measuring point position of a bridge (90), a hoisting frame (2) for installing a measuring instrument (80) and a telescopic rod (3), wherein the vertical line (1) is adjustably connected with the hoisting frame (2), the hoisting frame (2) is movably connected with the telescopic rod (3), and the telescopic rod (3) is provided with a limiting assembly (4) for limiting and fixing the hoisting frame (2); the bottom of the telescopic rod (3) is connected with a detachable telescopic foot rest (6).
2. Support aid for bridge deflection measurement according to claim 1, characterized in that the vertical line (1) is provided with a plurality of hoisting frames (2); the plurality of vertical lines (1) are arranged in one-to-one correspondence with the plurality of hoisting frames (2).
3. Support aid for bridge deflection measurement according to claim 1, characterized in that the telescopic foot rest (6) is provided in plurality, a plurality of telescopic foot rests (6) being arranged at intervals along the bottom of the telescopic rod (3).
4. A support aid for bridge deflection measurement according to claim 1, characterized in that the telescopic rod (3) comprises a plurality of telescopic rods (31) which are hollow in the interior, wherein the upper telescopic rod (31) in each adjacent two telescopic rods (31) is retractable into the hole of the lower telescopic rod (31).
5. A support aid for bridge deflection measurement according to claim 1, characterized in that the limit assembly (4) comprises an adjusting rotation lever (41), a limit block (42) and a tightening knob (5); the adjusting rotating rod (41) is detachably connected with the telescopic rod (3), the telescopic rod (3) is provided with a limiting groove, and the telescopic rod (3) is provided with a limiting hole communicated with the limiting groove; the bottom of the adjusting rotating rod (41) is provided with a limiting block (42), the limiting block (42) is inserted into the limiting groove, and the elastic knob (5) passes through the limiting hole and abuts against the limiting block (42).
6. The support auxiliary device for bridge deflection measurement according to claim 5, wherein the lifting frame (2) is provided with a limiting ring (22), an inner ring of the limiting ring (22) is communicated with the lifting frame (2) so that a measuring rod of a measuring instrument (80) can pass through the lifting frame, a side wall of the limiting ring (22) is in threaded connection with a limiting knob (23), and the end part of the limiting knob (23) is abutted to the measuring rod of the measuring instrument (80).
7. The support auxiliary device for bridge deflection measurement according to claim 5, wherein a hanging ring (21) is arranged at the top of the hanging frame (2), and the bottom end of the vertical line (1) is sleeved and bound to the hanging ring (21).
8. Support aid for bridge deflection measurement according to claim 5, characterized in that the adjusting swivel rod (41) is provided with an elastic member (43), one end of the elastic member (43) is connected with the adjusting swivel rod (41), the other end of the elastic member (43) is connected with the hoisting frame (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321883344.2U CN220418352U (en) | 2023-07-17 | 2023-07-17 | Support auxiliary device for bridge deflection measurement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321883344.2U CN220418352U (en) | 2023-07-17 | 2023-07-17 | Support auxiliary device for bridge deflection measurement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220418352U true CN220418352U (en) | 2024-01-30 |
Family
ID=89645310
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321883344.2U Active CN220418352U (en) | 2023-07-17 | 2023-07-17 | Support auxiliary device for bridge deflection measurement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220418352U (en) |
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2023
- 2023-07-17 CN CN202321883344.2U patent/CN220418352U/en active Active
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