CN214700025U - Auxiliary device for bridge load test detection - Google Patents
Auxiliary device for bridge load test detection Download PDFInfo
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- CN214700025U CN214700025U CN202121433272.2U CN202121433272U CN214700025U CN 214700025 U CN214700025 U CN 214700025U CN 202121433272 U CN202121433272 U CN 202121433272U CN 214700025 U CN214700025 U CN 214700025U
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Abstract
The utility model provides a pair of auxiliary device that bridge load test detected, including frame, lift supporting part, a plurality of stabilizer. The lifting supporting part is arranged on the rack and used for supporting the strain sensor on the bridge. The stabilizing part is arranged on the rack, and the stabilizing part is fixedly connected to the rack through a rope, so that the lifting supporting part is more stable. The embodiment of the utility model provides an auxiliary device that bridge load test detected supports strain inductor through the lift supporting part of liftable to in carrying out bridge load test, and will fix the lift supporting part to the frame through the rope that adopts in the stabilizing part, and then make when the lift supporting part is in higher height, any has better stability, and the difficult appearance takes place bending deformation because of the lifter of lift supporting part and leads to lift supporting part unstability.
Description
Technical Field
The utility model relates to a bridge building field especially relates to an auxiliary device that bridge load test detected.
Background
The bridge plays an important role in the process of developing economy as an important part in traffic. In recent years, various bridges are built in China, and the bridges need to be subjected to load inspection in the process of construction and use so as to ensure the safe use of the bridges.
The static and dynamic load test of the bridge applies load action to the bridge according to a preset test purpose and a test scheme, and the structural response of the bridge structure under the test load action is measured, if: static strain, settlement and other parameters, and accordingly determining the bridge detection and calculation coefficient Z2 to perform detection and calculation evaluation on the bearing capacity again or directly judging whether the bearing capacity of the bridge is met. However, when a static load test is performed on a bridge at present, a scaffold needs to be erected on a strain sensor or a platform provided by a bridge inspection vehicle and the like is adopted for installation; however, the erection of the support needs a lot of manpower and material resources, and the bridge inspection vehicle is expensive, occupies the road surface, affects the traffic and brings inconvenience to the actual operation.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an auxiliary device that bridge load test detected for when carrying out static test to the bridge among the solution prior art, strain sensor installs inconvenient technical problem.
In order to achieve the above object, the utility model adopts the following technical scheme: the auxiliary device for bridge load test detection is provided, and comprises:
a frame;
the lifting support part is arranged on the rack and is used for supporting a strain sensor on a bridge;
the lifting support part is fixedly connected to the rack through a rope, and the lifting support part is more stable.
In one embodiment, the stabilizing portion comprises:
the winder is arranged on the rack;
the traction rope is wound on the winder, and one end of the traction rope is fixed on the lifting supporting part;
the rope locking device is arranged on the traction rope between the winder and the lifting supporting part and used for locking the traction rope, and the length of the traction rope between the rope locking device and the lifting supporting part is fixed.
In one embodiment, the stabilizing part further comprises a recovery motor, and a power output shaft of the recovery motor is connected with the winder.
In one embodiment, the cord locking apparatus comprises:
the locking main body is fixed on the rack, a through hole is formed in the locking main body, and the traction rope penetrates through the through hole of the locking main body;
the locking block is arranged in the through hole of the locking main body in a sliding manner;
the locking screw is arranged on the locking main body in a threaded fit mode, and the end of the locking screw is connected with the locking block in a riveting mode.
In one embodiment, an arc-shaped groove is formed in the surface, in contact fit with the traction rope, of the locking block.
In one embodiment, the head of the locking screw is provided with a handle.
In one embodiment, the elevation support part includes:
the lifting rods are in sliding fit with the rack, a plurality of tooth sockets are arranged on the surfaces of the lifting rods, an external thread connector is arranged at one end of each lifting rod, an internal thread connecting hole is formed in the other end of each lifting rod, and the external thread connectors of the adjacent lifting rods are in fit connection with the internal thread connecting holes;
the lifting power part is arranged on the rack, is matched with the lifting rods in a gear tooth matching mode and is used for providing power for lifting the lifting rods;
the lifting platform is arranged at the top of the lifting rod.
In one embodiment, the lifting support further comprises a hydraulic support disposed at the bottom of the frame, the hydraulic support being configured to support the lifting rod.
In one embodiment, a buffer platform is arranged on the upper surface of the lifting platform, and the buffer platform is connected with the lifting platform through an elastic piece.
In one embodiment, the bottom of the rack is provided with a moving device.
The embodiment of the present invention provides one or more technical solutions, which at least have the following technical effects or advantages:
the embodiment of the utility model provides an auxiliary device that bridge load test detected, including frame, lift supporting part, a plurality of stabilizer. The lifting supporting part is arranged on the rack and used for supporting the strain sensor on the bridge. The stabilizing part is arranged on the rack, and the stabilizing part is fixedly connected to the rack through a rope, so that the lifting supporting part is more stable. The embodiment of the utility model provides an auxiliary device that bridge load test detected supports strain inductor through the lift supporting part of liftable to in carrying out bridge load test, and will fix the lift supporting part to the frame through the rope that adopts in the stabilizing part, and then make when the lift supporting part is in higher height, any has better stability, and the difficult appearance takes place bending deformation because of the lifter of lift supporting part and leads to lift supporting part unstability.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an auxiliary device for bridge load test detection provided by an embodiment of the present invention;
FIG. 2 is a schematic structural view of the hydraulic support part of FIG. 1 after being engaged with a support rod;
fig. 3 is a schematic structural view of a support rod according to an embodiment of the present invention;
fig. 4 is a schematic structural view of a rope locking device according to an embodiment of the present invention;
fig. 5 is a schematic view of the rope locking apparatus of fig. 4 in a locked state.
Wherein the respective reference numerals are as follows:
1. a frame; 2. a lifting support; 3. a stabilizer; 4. a mobile device; 21. a lifting rod; 22. a lifting power part; 23. a lifting platform; 24. a hydraulic support; 31. a winder; 32. a hauling rope; 33. a rope locking device; 34. recovering the motor; 211. a tooth socket; 212. an external thread connector; 213. an internal thread connecting hole; 231. a buffer platform; 232. an elastic member; 331. a locking body; 332. a locking block; 333. locking the screw; 3321. an arc-shaped groove; 3331. a handle.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Referring to fig. 1 to 5, an embodiment of the present application provides an auxiliary device for testing a bridge load, including a frame 1, a lifting support portion 2, and a plurality of stabilizing portions 3. The lifting support part 2 is arranged on the rack 1, and the lifting support part 2 is used for supporting a strain sensor on a bridge. The stabilizing part 3 is arranged on the frame 1, and the stabilizing part 3 is used for fixedly connecting the lifting supporting part 2 to the frame 1 through a rope, so that the lifting supporting part 2 is more stable. The embodiment of the utility model provides an auxiliary device that bridge load test detected, lift supporting part 2 through the liftable supports strain inductor, so that carry out bridge load test, and will fix lift supporting part 2 to frame 1 through the rope that adopts in the stabilizing part 3, and then make when lift supporting part 2 is in higher height, the thing has better stability, difficult appearance takes place bending deformation because of lift supporting part 2's lifter 21 and leads to lift supporting part 2 unstable. When the load test of bridge is carried out to needs, the lifting support part 2 risees up, rises to suitable position so that test until the lifting support part 2, and the portion 3 of stabilizing this moment passes through the rope with the lifting support part 2 and fixes in frame 1, and then makes the lifting support part 2 difficult emergence crooked slope under the traction of rope, and then makes the top of lifting support part 2 more stable to in order to carry out the experimental detection of roof beam load.
In one embodiment, the stabilizing section 3 comprises a winder 31, a rope locking device 33, a pull rope 32. The winder 31 is provided on the frame 1. The traction rope 32 is wound around the winder 31, and one end of the traction rope 32 is fixed to the elevation support part 2. A rope locking device 33 is provided on the traction rope 32 between the winder 31 and the lifting support 2, the rope locking device 33 being used to lock the traction rope 32, so that the length of the traction rope 32 between the rope locking device 33 and the lifting support 2 is fixed. When the lifting support 2 is in a rising state, the rope locking device 33 is in a loosening state and does not lock the traction rope 32, so that the traction rope 32 cannot prevent the lifting support 2 from rising, and after the lifting support 2 rises to a proper position, the rope locking device 33 locks the traction rope 32, so that the length of the traction rope 32 between the lifting support 2 and the rope locking device 33 is kept unchanged, and the top of the lifting support 2 is not easy to bend due to the pressure of a bridge under the action of the traction rope 32.
In one embodiment, the stabilizing section 3 further comprises a recovery motor 34, and a power output shaft of the recovery motor 34 is connected with the winder 31. After the bridge load test is completed, the lifting support 2 starts to descend, the rope locking device 33 releases the traction rope 32 at the moment, the recovery motor 34 starts to work, the winder 31 rotates, and the traction rope 32 is wound on the winder 31 so as to be used next time. Therefore, the purpose of automatically recovering the traction rope 32 can be realized by arranging the recovery motor 34, and compared with the mode of manually rotating the winder 31 to recover the rope, the mode of adopting the recovery motor 34 has the advantages of rapidness and convenience.
In one embodiment, the rope locking device 33 includes a locking body 331, a locking block 332, and a locking screw 333. The locking body 331 is fixed on the frame 1, a through hole is provided on the locking body 331, and the pulling rope 32 passes through the through hole of the locking body 331. The locking block 332 is slidably disposed in the through hole of the locking body 331. The locking screw 333 is disposed on the locking body 331 by screw-fitting, and an end of the locking screw 333 is connected with the locking block 332 by riveting. When the pulling rope 32 needs to be locked, only the locking screw 333 needs to be rotated to move the locking screw 333 downwards, so that the locking block 332 compresses the pulling rope 32, and the pulling rope 32 is fixed. Conversely, when it is desired to release the pull-cord 32, the locking screw 333 is simply rotated so that the locking screw 333 is moved upwardly.
In one embodiment, the locking block 332 has an arcuate groove 3321 on the surface that engages the pull-cord 32. Because the cross-section of haulage rope 32 is circular, so through set up arc recess 3321 on latch segment 332 for when rope locking device 33 locks haulage rope 32, arc recess 3321 on the latch segment 332 can cooperate with haulage rope 32, makes the contact inseparabler between latch segment 332 and the haulage rope 32, improves locking effect.
In one embodiment, the head of the locking screw 333 is provided with a handle 3331. By arranging the handle 3331 at the head of the locking screw 333, a field tester can manually rotate the locking screw 333 to lock or unlock the traction rope 32 without using other tools, so that the rope locking device 33 is more convenient to use.
In one embodiment, the lifting support 2 comprises a plurality of lifting rods 21, a lifting power part 22 and a lifting platform 23. The lifting rod 21 is in sliding fit with the frame 1, a plurality of tooth grooves 211 are formed in the surface of the lifting rod 21, an external thread connector 212 is arranged at one end of the lifting rod 21, an internal thread connecting hole 213 is formed in the other end of the lifting rod 21, and the external thread connector 212 and the internal thread connecting hole 213 of the adjacent lifting rod 21 are in fit connection. The lifting power part 22 is arranged on the frame 1, the lifting power part 22 is matched with the lifting rods 21 in a gear tooth matching mode, and the lifting power part 22 is used for providing power for lifting the lifting rods 21. The lifting platform 23 is disposed on the top of the lifting rod 21. Because lifter 21 can carry out end to end connection, and then make the rising height of lift supporting part 2 can set for at will according to concrete demand, need not to receive the length restriction of lifter 21, improves auxiliary device's suitability.
In one embodiment, the lifting support 2 further comprises a hydraulic support 24, the hydraulic support 24 is disposed at the bottom of the frame 1, and the hydraulic support 24 is used for supporting the lifting rod 21. By supporting the lift lever 21 with the hydraulic support portion 24, the lift lever 21 is made more stable and does not fall due to pressure.
In one embodiment, a buffer platform 231 is disposed on the upper surface of the lifting platform 23, and the buffer platform 231 is connected to the lifting platform 23 by an elastic member 232. The elastic member 232 is a spring or a spring plate having a certain elasticity, and the buffering platform 231 can greatly reduce the impact on the stress sensing piece when the lifting support part 2 contacts the stress sensing piece, thereby protecting the stress sensing piece.
In one embodiment the bottom of the housing 1 is provided with a moving means 4. The moving device 4 is arranged at the bottom of the rack 1, so that the auxiliary device is more convenient to carry and transport.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The utility model provides an auxiliary device that bridge load test detected which characterized in that, auxiliary device that bridge load test detected includes:
a frame;
the lifting support part is arranged on the rack and is used for supporting a strain sensor on a bridge;
the lifting support part is fixedly connected to the rack through a rope, and the lifting support part is more stable.
2. The auxiliary device for bridge load test detection as claimed in claim 1, wherein the stabilizer comprises:
the winder is arranged on the rack;
the traction rope is wound on the winder, and one end of the traction rope is fixed on the lifting supporting part;
the rope locking device is arranged on the traction rope between the winder and the lifting supporting part and used for locking the traction rope, and the length of the traction rope between the rope locking device and the lifting supporting part is fixed.
3. The auxiliary device for bridge load test detection according to claim 2, wherein:
the stabilizing part further comprises a recovery motor, and a power output shaft of the recovery motor is connected with the winder.
4. The auxiliary device for bridge load test detection according to claim 2, wherein the rope locking device comprises:
the locking main body is fixed on the rack, a through hole is formed in the locking main body, and the traction rope penetrates through the through hole of the locking main body;
the locking block is arranged in the through hole of the locking main body in a sliding manner;
the locking screw is arranged on the locking main body in a threaded fit mode, and the end of the locking screw is connected with the locking block in a riveting mode.
5. The auxiliary device for bridge load test detection according to claim 4, wherein:
an arc-shaped groove is formed in the surface, in contact fit with the traction rope, of the locking block.
6. The auxiliary device for bridge load test detection according to claim 4, wherein:
the head of the locking screw is provided with a handle.
7. The auxiliary device for bridge load test detection according to claim 1, wherein the lifting support part comprises:
the lifting rods are in sliding fit with the rack, a plurality of tooth sockets are arranged on the surfaces of the lifting rods, an external thread connector is arranged at one end of each lifting rod, an internal thread connecting hole is formed in the other end of each lifting rod, and the external thread connectors of the adjacent lifting rods are in fit connection with the internal thread connecting holes;
the lifting power part is arranged on the rack, is matched with the lifting rods in a gear tooth matching mode and is used for providing power for lifting the lifting rods;
the lifting platform is arranged at the top of the lifting rod.
8. The auxiliary device for bridge load test detection according to claim 7, wherein:
the lifting support part further comprises a hydraulic support part, the hydraulic support part is arranged at the bottom of the rack, and the hydraulic support part is used for supporting the lifting rod.
9. The auxiliary device for bridge load test detection according to claim 7, wherein:
the upper surface of lift platform is provided with buffering platform, buffering platform with adopt the elastic component to connect between the lift platform.
10. The auxiliary device for bridge load test detection according to claim 1, wherein:
and a moving device is arranged at the bottom of the rack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121433272.2U CN214700025U (en) | 2021-06-25 | 2021-06-25 | Auxiliary device for bridge load test detection |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121433272.2U CN214700025U (en) | 2021-06-25 | 2021-06-25 | Auxiliary device for bridge load test detection |
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| CN214700025U true CN214700025U (en) | 2021-11-12 |
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| CN202121433272.2U Active CN214700025U (en) | 2021-06-25 | 2021-06-25 | Auxiliary device for bridge load test detection |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112923187A (en) * | 2021-02-03 | 2021-06-08 | 北京地铁科技发展有限公司 | Subway management video monitoring and playing device and adjusting method thereof |
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2021
- 2021-06-25 CN CN202121433272.2U patent/CN214700025U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112923187A (en) * | 2021-02-03 | 2021-06-08 | 北京地铁科技发展有限公司 | Subway management video monitoring and playing device and adjusting method thereof |
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