CN110730580A - Portable acquisition station support for short-term monitoring of bridge - Google Patents
Portable acquisition station support for short-term monitoring of bridge Download PDFInfo
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- CN110730580A CN110730580A CN201910885919.6A CN201910885919A CN110730580A CN 110730580 A CN110730580 A CN 110730580A CN 201910885919 A CN201910885919 A CN 201910885919A CN 110730580 A CN110730580 A CN 110730580A
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- supporting rod
- strut
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- branch
- limiting bolt
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0204—Mounting supporting structures on the outside of casings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M13/00—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles
- F16M13/02—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles for supporting on, or attaching to, an object, e.g. tree, gate, window-frame, cycle
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- General Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Mechanical Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention provides a portable acquisition station bracket for short-term bridge monitoring, which is used for mounting a data acquisition station on a bridge to be monitored and is characterized by comprising the following components: the data acquisition station mounting mechanism is provided with a first supporting rod for mounting the data acquisition station; the suspension mechanism is U-shaped and is used for being suspended on the flange of a girder bridge, wherein the suspension mechanism is provided with: the second branch sets up in one side on the edge of a wing, and the one end of second branch is installed on first branch, and third branch sets up in the upper end on the edge of a wing, and the one end of third branch is installed on the other end of second branch, and the fourth branch sets up the opposite side on the edge of a wing, and the one end of fourth branch is movably installed on the other end of third branch to make the distance between second branch and the fourth branch can suit with the width on the edge of a wing.
Description
Technical Field
The invention relates to the field of bridge monitoring devices, in particular to a portable acquisition station support for short-term bridge monitoring.
Background
The number of constructed highway viaduct bridges in China is about 84 thousands, and the number of highway bridges serving as vital nodes in a traffic network is large, so that the research on the rapid monitoring of the universality of the highway bridges is of great significance.
In the current bridge monitoring scheme, a sensor is generally arranged at a to-be-detected section of a bridge, a data acquisition cabinet is generally arranged at a bridge abutment, and a longer cable is generally adopted between the sensor and the data acquisition cabinet for data transmission and power supply.
However, the length of the cable body of the data acquisition machine is long, and during installation, a fulcrum needs to be arranged below the bridge and distributed in a classified mode, so that the installation monitoring mode is complex in construction process, long in time consumption, capable of conducting punching operation on the bridge structure and possibly damaging the bridge structure.
Disclosure of Invention
In order to solve the problems, the invention adopts the following technical scheme:
the invention provides a portable acquisition station bracket for short-term bridge monitoring, which is used for mounting a data acquisition station on a bridge to be monitored and is characterized by comprising the following components: the data acquisition station mounting mechanism is provided with a first supporting rod for mounting the data acquisition station; the suspension mechanism is U-shaped and is used for being suspended on the flange of a girder bridge, wherein the suspension mechanism is provided with: the second branch sets up in one side on the edge of a wing, and the one end of second branch is installed on first branch, and third branch sets up in the upper end on the edge of a wing, and the one end of third branch is installed on the other end of second branch, and the fourth branch sets up the opposite side on the edge of a wing, and the one end of fourth branch is movably installed on the other end of third branch to make the distance between second branch and the fourth branch can suit with the width on the edge of a wing.
The invention provides a portable acquisition station bracket for short-term bridge monitoring, which can also be characterized in that a fourth supporting rod is arranged at the other end of a third supporting rod through a fourth limiting bolt, and the other end of the third supporting rod is provided with a third sliding groove which is matched with the fourth limiting bolt and extends along the length direction of the third supporting rod, so that when the fourth limiting bolt is in a loosening state, the fourth supporting rod can move along the length direction of the third supporting rod, and the distance between the fourth supporting rod and the second supporting rod is further adjusted.
The invention provides a portable acquisition station bracket for short-term bridge monitoring, which can also be characterized in that one end of a third strut is rotatably hinged on the other end of the second strut through a third limiting bolt, so that the third strut can rotate relative to the second strut when the third limiting bolt is in a relaxed state.
The invention provides a portable acquisition station bracket for short-term bridge monitoring, which can also be characterized in that a second support rod is arranged at one end of a first support rod through a first limiting bolt, and one end of the first support rod is provided with a first sliding groove which is matched with the first limiting bolt and extends along the length direction of the first support rod, so that when the first limiting bolt is in a relaxed state, the first support rod can move along the length direction of the first support rod, and the distance between the other end of the first support rod and the side wall of a bridge is further adjusted.
The invention provides a portable acquisition station bracket for short-term bridge monitoring, which can also be characterized in that one end of a fifth supporting rod is rotatably hinged to one end of a first supporting rod through a fifth limiting bolt, the other end of the fifth supporting rod is mounted on one end of a second supporting rod through a second limiting bolt, one end of the second supporting rod is provided with a second sliding groove, matched with the fifth limiting bolt, of a second sliding groove, and the second sliding groove extends along the length direction of the second supporting rod, so that when the second limiting bolt and the fifth limiting bolt are in a loosening state, the fifth supporting rod can rotate relative to the first supporting rod, the other end of the fifth supporting rod can move along the length direction of the second supporting rod, and further the angle between the fifth supporting rod and the first supporting rod is adjusted.
The invention provides a portable acquisition station bracket for short-term bridge monitoring, which can also be characterized in that one end of the second strut is provided with a third strut accommodating part, the third strut accommodating part is used for accommodating the other end of the third strut, and the width of the third strut accommodating part is matched with the width of the other end of the third strut.
The invention provides a portable acquisition station bracket for short-term bridge monitoring, which can also be characterized in that a limiting component is arranged at one end of the third strut and is positioned at one side of the second strut far away from the flange, and the width of the limiting component is larger than that of the accommodating part of the third strut and is used for limiting the rotating angle of the third strut relative to the second strut.
The invention provides a portable acquisition station bracket for short-term bridge monitoring, which can also be characterized in that the data acquisition station mounting mechanism further comprises a wiring box, wherein the wiring box is mounted at the other end of the first supporting rod and is used for accommodating cables of a data acquisition station.
The invention provides a portable acquisition station bracket for short-term bridge monitoring, which can also be characterized in that a rubber piece is arranged on one side, close to a flange, of the other end of the fourth supporting rod.
Action and Effect of the invention
According to the portable collecting station bracket for short-term bridge monitoring, the portable collecting station bracket comprises a data collecting station mounting mechanism and a suspension mechanism, wherein the data collecting station mounting mechanism is provided with a first supporting rod, the suspension mechanism is provided with a second supporting rod, a third supporting rod and a fourth supporting rod which are sequentially mounted, and one end of the first supporting rod is abutted to the side wall of a bridge. Simultaneously, first pole plays the supporting role for portable collection station support more balanced stable can not take place the situation that drops because of bridge vibrations etc.. Further, because the one end of fourth branch is movably installed on the other end of third branch for distance between second branch and the fourth branch can suit with the width on edge of a wing, consequently, only need adjust the position of fourth branch just can adapt to the bridge construction of different dimensions, and it is very convenient to adjust, and the commonality is stronger.
Drawings
FIG. 1 is a schematic structural diagram of a portable acquisition station support for short-term bridge monitoring according to an embodiment of the invention;
FIG. 2 is a schematic structural view of a wiring box according to an embodiment of the present invention;
FIG. 3 is a schematic structural view of a first strut in accordance with an embodiment of the invention;
FIG. 4 is a schematic structural view of a second strut in accordance with an embodiment of the present invention;
FIG. 5 is a schematic structural view of a third strut according to an embodiment of the invention;
FIG. 6 is a schematic structural view of a fourth strut in accordance with embodiments of the present invention;
FIG. 7 is a schematic structural view of a fifth strut according to an embodiment of the present invention;
FIG. 8 is a schematic view of the installation of a portable acquisition station bracket for short term monitoring of bridges in accordance with an embodiment of the present invention;
fig. 9 is an installation sectional view of a portable acquisition station bracket for short-term bridge monitoring according to an embodiment of the invention.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the portable collecting station bracket 100 for short-term bridge monitoring of the invention is specifically described below with reference to the attached drawings.
Fig. 1 is a schematic structural diagram of a portable acquisition station bracket for short-term bridge monitoring according to an embodiment of the invention.
As shown in fig. 1, the portable collecting station support 100 of the present embodiment is used for short-term monitoring of a bridge, and includes a data collecting station mounting mechanism 10 and a suspension mechanism 20.
The data collection station mounting mechanism 10 is for mounting a data collection station and accommodating a communication cable of the data collection station, and includes a first pole support 11 and a walk-off box 12. In the present embodiment, the length direction of the first support 11 is perpendicular to the length direction of the wiring box 12, the number of the first support 11 is two, and the number of the wiring box 12 is one.
Fig. 2 is a schematic structural view of the wiring box of the embodiment of the invention.
As shown in fig. 2, the first bar 11 is uniformly provided with a plurality of screw holes 11a along the longitudinal direction of the first bar 11. The wiring box 12 is uniformly provided with a plurality of long waist holes 12a matched with the threaded holes 11a along the length direction of the wiring box 12. In the present embodiment, the other ends 112 of the first support bars 11 are respectively mounted on both ends of the wiring box 12 by screws.
The suspension mechanism 20 is U-shaped and is used for suspending on the flange 200 of the bridge, the number of the suspension mechanism corresponds to the number of the first supporting rods 11, and the suspension mechanism comprises a second supporting rod 21, a third supporting rod 22, a fourth supporting rod 23 and a fifth supporting rod 24 which are sequentially arranged. In the present embodiment, the number of the suspension mechanisms 20 is two.
FIG. 3 is a schematic structural view of a first bar according to an embodiment of the invention.
As shown in fig. 3, one end 111 of the first bar 11 is used to abut against a side wall of a bridge, and the other end 112 has a fifth bar receiving portion 112a and a first sliding groove 112 b.
FIG. 4 is a schematic structural view of a second strut in accordance with an embodiment of the present invention.
As shown in fig. 4, one end 211 of the second bar 21 is for mounting on the first bar 11, and has a first bar receiving portion 211a, and the other end 212 of the second bar 21 has a third bar receiving portion 212a and a second slide groove 212 b.
FIG. 5 is a schematic structural view of a third strut in accordance with embodiments of the present invention.
As shown in fig. 5, one end 221 of the third bar 22 is adapted to be mounted on the other end 212 of the second bar 21, and the other end 222 of the third bar 22 has a third runner 222 b.
FIG. 6 is a schematic structural view of a fourth strut in accordance with embodiments of the present invention.
As shown in fig. 6, one end 231 of the fourth bar 23 is adapted to be mounted on the other end 222 of the third bar 22, and has a third bar receiving portion 231 a.
FIG. 7 is a schematic structural view of a fifth strut in accordance with an embodiment of the present invention.
As shown in fig. 7, one end 241 of the fifth bar 24 is adapted to be mounted on the first bar 11, and the other end 242 of the fifth bar 24 is adapted to be mounted on the second bar 21.
Fig. 8 is a schematic installation diagram of a portable acquisition station bracket for short-term bridge monitoring according to an embodiment of the invention, and fig. 9 is a sectional installation diagram of the portable acquisition station bracket for short-term bridge monitoring according to an embodiment of the invention.
As shown in fig. 8 and 9, the first support rod 11 has a square column shape, and one end 111 of the first support rod 11 abuts against the side wall of the bridge.
The cross-section of second branch pole 21 is the H type, and second branch pole 21 is installed on the one end 111 of first branch pole 11 through first spacing bolt 213, and first spout 112b extends along the length direction of first branch pole 11, cooperatees with first spacing bolt 213 to make when first spacing bolt 213 is in the relaxed state, first branch pole 11 can be followed the length direction (as shown in figure 9X direction) of first branch pole 11 and removed, and then adjusts the distance between the lateral wall of the other end 112 of first branch pole 11 and beam bridge. The first leg receiving portion 211a has a U shape, and the width of the first leg receiving portion 211a is adapted to the width of the other end 112 of the first leg 11, for receiving the other end 112 of the first leg 11. The third strut receiving part 212a has a U-shape, the same shape as the first strut receiving part 211a, and receives one end 221 of the third strut 22.
The third strut 22 has a square column shape and is disposed at the upper end of the flange 200, and one end 221 of the third strut 22 is located in the third strut receiving portion 212a and is rotatably hinged to the other end 212 of the second strut 21 by a third limit bolt 223, so that the third strut 22 can rotate relative to the second strut 21 with the third limit bolt 223 as an axis when the third limit bolt 223 is in a loosened state.
The fourth supporting rod 23 is in a square column shape and is disposed on the other side of the flange 200, and the fourth supporting rod 23 is mounted on the other end 222 of the third supporting rod 22 through a fourth limit bolt 233. The third bar receiving part 231a has a U-shape, the same shape as the first bar receiving part 211a, and receives the other end 222 of the third bar 22. The third sliding slot 222b extends along the length direction of the third supporting rod 22 (the X direction shown in fig. 9) and is engaged with the fourth limiting bolt 233, so that when the fourth limiting bolt 233 is in a relaxed state, the fourth supporting rod 23 can move along the length direction of the third supporting rod 22, and further, the distance between the fourth supporting rod 23 and the second supporting rod 21 is adjusted, so that the distance is adapted to the width of the flange 200 (the X direction width shown in fig. 9).
The cross section of the fifth strut 24 is i-shaped, one end 241 of the fifth strut 24 is rotatably and hingedly mounted at one end 111 of the first strut 11 through a fifth limit bolt 243, the other end 242 is mounted 244 at one end 211 of the second strut 21 through a second limit bolt, the second sliding groove 212b extends along the length direction of the second strut (in the Y direction shown in fig. 9) and is matched with the fifth limit bolt 243, so that when the second limit bolt 244 and the fifth limit bolt 243 are in a relaxed state, the fifth strut 24 can rotate relative to the first strut 11, and the other end 242 of the fifth strut 24 can move along the length direction of the second strut 21, thereby adjusting the angle between the fifth strut 24 and the first strut 11.
The operation of the portable collecting station support 100 for short-term bridge monitoring according to the present embodiment is described below with reference to fig. 8 and 9.
When monitoring personnel need to monitor the bridge condition, the portable acquisition station support 100 for short-term bridge monitoring in the embodiment needs to be unfolded from a folded state and hung at a corresponding position of the bridge according to the size of the bridge to be monitored, and the method specifically comprises the following steps:
step S1, loosening the fourth limit bolt 233 and the third limit bolt 223, adjusting the distance between the fourth supporting rod 23 and the second supporting rod 21 and the angle between the third supporting rod 22 and the second supporting rod 21 according to the flange 200 of the bridge to be measured, and then entering step S2;
step S2, tightening the fourth limit bolt 233 and the third limit bolt 223 to fix the positions of the second support rod 21, the third support rod 22, and the fourth support rod 23 relatively to form a U-shaped structure (i.e., the hanging mechanism 20), hanging the U-shaped structure on the flange, and then proceeding to step S3;
step S3, loosening the first limit bolt 213, the second limit bolt 244 and the fifth limit bolt 243, adjusting the relative positions of the first strut 11 and the second strut 21 and the angle between the first strut 11 and the fifth strut 24 according to the position of the side wall of the bridge to be measured, and then proceeding to step S4;
step S4 is to tighten the first stopper bolt 213, the second stopper bolt 244, and the fifth stopper bolt 243 to fix the positions of the first support rod 11, the fifth support rod 24, and the second support rod 21 relative to each other, so that the end 111 of the first support rod 11 abuts against the side wall of the bridge, and then the process proceeds to step S5.
Step S5, the cables of the data collection station are arranged in the routing box 12 in a predetermined monitoring specification classification, and the routing box 12 is mounted on the one end 111 of the first pole 11 by bolts.
After the monitoring is completed, the monitoring personnel can disassemble, recover and fold and store the portable collecting station bracket 100 for short-term monitoring of the bridge in the embodiment, and the method specifically comprises the following steps:
step T1, loosening the bolt, detaching the wiring box 12 from one end 111 of the first support bar 11, taking the cable of the data acquisition station away, and then entering step T2;
step T2, loosening the fourth limit bolt 233, rotating the fourth support bar 23 (clockwise as shown in fig. 9) to be flush with the third support bar 22, removing the suspension mechanism 20 from the flange 200 of the bridge, and then proceeding to step T3;
step T3, loosening the third limit bolt 223, rotating the third support rod 22 and the fourth support rod 23 (counterclockwise as shown in fig. 9) to be flush with the second support rod 21, and then proceeding to step T4;
at step T4, the first stopper bolt 213, the second stopper bolt 244 and the fifth stopper bolt 243 are loosened, and the second bar 21 and the fifth bar 24 are rotated (counterclockwise as shown in fig. 9) to be flush with the first bar 11, thereby completing the folding.
Examples effects and effects
According to the portable collection station support for short-term monitoring of bridge of this embodiment, including data acquisition station installation mechanism and suspension mechanism, acquisition station installation mechanism has first branch, suspension mechanism has the second branch of installing in proper order, third branch and fourth branch, because suspension mechanism is the U type, the one end and the bridge lateral wall looks butt of first branch, therefore, when monitoring, install data acquisition station on first branch and hang on the edge of a wing of bridge through suspension mechanism, adopt the mode of suspension installation promptly, and need not to carry out the operation of punching to the bridge structure and just can arrange data acquisition station in the position of required monitoring, its installation is all very convenient with the dismantlement, also can not cause unnecessary damage to the bridge structure. Simultaneously, first pole plays the supporting role for portable collection station support more balanced stable can not take place the situation that drops because of bridge vibrations etc.. Further, because the one end of fourth branch is movably installed on the other end of third branch for distance between second branch and the fourth branch can suit with the width on edge of a wing, consequently, only need adjust the position of fourth branch just can adapt to the bridge construction of different dimensions, and it is very convenient to adjust, and the commonality is stronger.
Owing to have and walk the line box, consequently, only need place the cable of data acquisition station in the line box is walked to the correspondence, just can carry out classification to the cable of data acquisition station, when the monitoring installation, need not to install extra fulcrum, installation arrange more simple and conveniently, also can reduce the harm to bridge structures simultaneously.
Because the one end of third branch is rotatably articulated to be installed on the other end of second branch, the movably one of installing at first branch of second branch is served, consequently, not only can when the installation, can adapt to the structure size of different bridges through the position of adjusting each branch, and after accomplishing the monitoring, can move and rotate through each branch, fold the portable collection station support that is used for the short-term monitoring of bridge of this embodiment, make its occupation space littleer, more be favorable to accomodating and storing.
Because first branch has the fifth branch portion of accomodating that is used for holding the fifth branch, and second branch 21 has the first branch portion of accomodating that is used for holding first branch, and the one end of second branch has and is used for holding third branch portion of accomodating, consequently, when folding, each branch can rotary movement to the position with corresponding branch looks parallel and level to let each branch overlap completely, further reduced the occupation space of the portable collection station support that is used for short-term monitoring of bridge of this embodiment.
Due to the fifth supporting rod, the first supporting rod and the second supporting rod are connected and supported, so that the structure of the portable acquisition station bracket for short-term bridge monitoring is more stable and firm when the portable acquisition station bracket is in the unfolded use state.
Because the other end of fourth branch has the rubber spare, this rubber spare can laminate mutually with the side on the edge of a wing when using, has not only reduced the vibrations between the portable collection station support that is used for the short-term monitoring of bridge of this embodiment and the bridge edge of a wing, can also increase the frictional force between the portable collection station support that is used for the short-term monitoring of bridge of this embodiment and the bridge edge of a wing, consequently, can further improve the stability of structure.
The foregoing detailed description of the preferred embodiments of the invention has been presented. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions available to those skilled in the art through logic analysis, reasoning and limited experiments based on the prior art according to the concept of the present invention should be within the scope of protection defined by the claims.
Claims (9)
1. A portable acquisition station support for short-term bridge monitoring, for mounting a data acquisition station on a bridge to be monitored, comprising:
a data acquisition station mounting mechanism having a first strut for mounting the data acquisition station;
the suspension mechanism is U-shaped and is used for being suspended on the flange of the beam bridge,
wherein the suspension mechanism has:
a second supporting rod arranged on one side of the flange, one end of the second supporting rod is arranged on the first supporting rod,
a third supporting rod arranged at the upper end of the flange, one end of the third supporting rod is arranged at the other end of the second supporting rod,
and the fourth supporting rod is arranged on the other side of the flange, and one end of the fourth supporting rod is movably arranged at the other end of the third supporting rod, so that the distance between the second supporting rod and the fourth supporting rod can be adapted to the width of the flange.
2. The portable collection station support for short term monitoring of bridges of claim 1, wherein:
wherein the fourth supporting rod is arranged at the other end of the third supporting rod through a fourth limiting bolt,
the other end of the third supporting rod is provided with a third sliding groove which is matched with the fourth limiting bolt and extends along the length direction of the third supporting rod, so that the fourth limiting bolt is in a loosening state, the fourth supporting rod can move along the length direction of the third supporting rod, and then the distance between the fourth supporting rod and the second supporting rod is adjusted.
3. The portable collection station support for short term monitoring of bridges of claim 1, wherein:
one end of the third supporting rod is rotatably and hingedly mounted at the other end of the second supporting rod through a third limiting bolt, so that when the third limiting bolt is in a loosening state, the third supporting rod can rotate relative to the second supporting rod.
4. The portable collection station support for short term monitoring of bridges of claim 1, wherein:
wherein the second support rod is arranged on one end of the first support rod through a first limit bolt,
one end of the first supporting rod is provided with a first sliding groove which is matched with the first limiting bolt and extends along the length direction of the first supporting rod, so that the first limiting bolt is in a loosening state, the first supporting rod can move along the length direction of the first supporting rod, and then the distance between the other end of the first supporting rod and the side wall of the bridge is adjusted.
5. The portable collection station support for short term monitoring of bridges of claim 1, further comprising:
one end of a fifth supporting rod is rotatably hinged with one end of the first supporting rod through a fifth limiting bolt, the other end of the fifth supporting rod is arranged on one end of the second supporting rod through a second limiting bolt,
one end of the second supporting rod is provided with a second sliding groove which is matched with the fifth limiting bolt and extends along the length direction of the second supporting rod, so that the second limiting bolt and the fifth limiting bolt are in a loosening state, the fifth supporting rod can rotate relative to the first supporting rod, the other end of the fifth supporting rod can move along the length direction of the second supporting rod, and then the angle between the fifth supporting rod and the first supporting rod is adjusted.
6. The portable collection station support for short term monitoring of bridges of claim 1, wherein:
wherein one end of the second supporting rod is provided with a third supporting rod accommodating part,
the third strut receiving part is used for receiving the other end of the third strut,
the width of the third strut receiving portion is adapted to the width of the other end of the third strut.
7. The portable collection station support for short term monitoring of bridges of claim 6, further comprising:
a limiting part which is arranged at one end of the third supporting rod and is positioned at one side of the second supporting rod far away from the flange,
the width of the limiting component is larger than that of the third strut accommodating part, and the limiting component is used for limiting the rotating angle of the third strut relative to the second strut.
8. The portable collection station support for short term monitoring of bridges of claim 1, wherein:
wherein the data acquisition station mounting mechanism also comprises a wiring box,
the cable box is arranged at the other end of the first supporting rod and used for accommodating a cable of the data acquisition station.
9. The portable collection station support for short term monitoring of bridges of claim 1, wherein:
and one side of the other end of the fourth supporting rod, which is close to the flange, is provided with a rubber part.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910885919.6A CN110730580B (en) | 2019-09-19 | 2019-09-19 | Portable acquisition station support for short-term monitoring of bridge |
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| CN201910885919.6A CN110730580B (en) | 2019-09-19 | 2019-09-19 | Portable acquisition station support for short-term monitoring of bridge |
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| CN110730580B CN110730580B (en) | 2020-09-29 |
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