CN114199484A - Movable bridge deflection detection equipment - Google Patents
Movable bridge deflection detection equipment Download PDFInfo
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- CN114199484A CN114199484A CN202111383697.1A CN202111383697A CN114199484A CN 114199484 A CN114199484 A CN 114199484A CN 202111383697 A CN202111383697 A CN 202111383697A CN 114199484 A CN114199484 A CN 114199484A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M5/00—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings
- G01M5/0008—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings of bridges
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M5/00—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings
- G01M5/0075—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings by means of external apparatus, e.g. test benches or portable test systems
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Abstract
本发明涉及桥梁检测领域，具体公开了一种移动式桥梁挠度检测设备，包括第一工程车、第二工程车、第一支架单元和第二支架单元；第一支架单元包括有第一固定架和第一伸缩架，第一伸缩架滑动设置在第一固定架上，第一伸缩架的下端设置有第一平台，第一平台上设置有第一钢绳卷筒，第一钢绳卷筒上缠绕有钢索，钢索上固定设置有检测单元；第二支架单元包括第二固定架和第二伸缩架，第二伸缩架滑动设置在第二固定架上，第二伸缩架的底部设置有第二平台，第二平台上放置有U形的第一固定扣，第二固定架上设置有可转动的缠绕轴，缠绕轴上设置有固定孔。本发明的目的在于解决设备容易侧翻的技术问题。
The invention relates to the field of bridge detection, and specifically discloses a mobile bridge deflection detection device, comprising a first engineering vehicle, a second engineering vehicle, a first support unit and a second support unit; the first support unit includes a first fixing frame and the first telescopic frame, the first telescopic frame is slidably arranged on the first fixed frame, the lower end of the first telescopic frame is provided with a first platform, the first platform is provided with a first steel rope drum, the first steel rope drum A wire rope is wound on the wire rope, and a detection unit is fixed on the wire rope; the second bracket unit includes a second fixed frame and a second telescopic frame, the second telescopic frame is slidably arranged on the second fixed frame, and the bottom of the second telescopic frame is arranged There is a second platform, a U-shaped first fixing buckle is placed on the second platform, a rotatable winding shaft is arranged on the second fixing frame, and a fixing hole is arranged on the winding shaft. The purpose of the present invention is to solve the technical problem that the equipment is easy to roll over.
Description
Technical Field
The invention relates to the field of bridge detection, and particularly discloses a mobile bridge deflection detection device.
Background
Deflection detection is one of important items in bridge detection, and the prior art can adopt a dial indicator for detection, and specifically comprises the following steps: the long rod is held by a tester, the dial indicator is jacked below the bridge floor, and then the long rod and the dial indicator are moved to carry out detection.
The equipment that can set up on the bridge floor has appeared among the prior art, and this equipment can stretch out support to the bridge floor bottom and drive the check out test set removal, detects the bridge floor bottom, and this type of equipment has some shortcomings, for example: the weight of the bracket and the detection equipment part is large, and the whole equipment is likely to turn over to cause the equipment to fall under a bridge, so that the equipment with the lighter bracket part is needed at present, and the accident of side turning caused by unstable gravity center of the equipment is avoided.
Disclosure of Invention
In view of this, the present invention provides a mobile bridge deflection detection device to solve the technical problem that the device is prone to rollover.
In order to achieve the purpose, the invention provides the following technical scheme:
a mobile bridge deflection detection device comprises a first engineering truck, a second engineering truck, a first support unit and a second support unit, wherein the first support unit is arranged on the first engineering truck, and the second support unit is arranged on the second engineering truck; the first support unit comprises a first fixing frame and a first telescopic frame, the first telescopic frame is arranged on the first fixing frame in a sliding mode, a first platform is arranged at the lower end of the first telescopic frame, a first steel rope winding drum is arranged on the first platform, a steel rope is wound on the first steel rope winding drum, a detection unit is fixedly arranged on the steel rope, an unmanned aerial vehicle is further placed on the first platform, and the unmanned aerial vehicle grabs the end portion of the steel rope; the second support unit comprises a second fixing frame and a second telescopic frame, the second telescopic frame is arranged on the second fixing frame in a sliding mode, a second platform is arranged at the bottom of the second telescopic frame, a U-shaped first fixing buckle is placed on the second platform, a rotatable winding shaft is arranged on the second fixing frame, and a fixing hole capable of being clamped with the first fixing buckle is formed in the winding shaft. In this scheme, first expansion bracket and second expansion bracket can be on the bridge floor downwardly extending to under the bridge, then take the cable wire to the second expansion bracket through unmanned aerial vehicle, the cable wire falls into first fixed knot, then starts the second expansion bracket, the second expansion bracket drives first fixed knot and upwards removes and block to the winding epaxial, restart winding axle just can be with the cable wire winding on the winding epaxial to with detecting element pulling bridge bottom center department.
Optionally, a first telescopic cylinder is embedded into the upper end of the first fixing frame, the lower end of the first fixing frame is hollow, the first telescopic frame is slidably arranged in the lower end of the first fixing frame, and the output end of the first telescopic cylinder is connected with the first telescopic frame; the upper end of the second fixing frame is embedded with a second telescopic cylinder, the lower end of the second fixing frame is hollow, the second telescopic frame is arranged in the lower end of the second fixing frame in a sliding mode, and the output end of the second telescopic cylinder is connected with the second telescopic frame. In this scheme of adoption, first expansion bracket sets up inside first mount, and the second expansion bracket sets up inside the second mount.
Optionally, the lower part of the second expansion bracket is provided with an extension frame, the extension frame comprises two first frame rods and two second frame rods, the upper ends of the two first frame rods are respectively connected with the lower ends of the two sides of the first expansion bracket in a rotating manner through torsion springs, the lower ends of the first frame rods are connected with the upper ends of the second frame rods in a rotating manner through torsion springs, the lower ends of the second frame rods are connected with the second platform through torsion springs, when the torsion springs are in a natural state, the first frame rods incline towards the outside, the second frame rods incline towards the inside, and the first frame rods and the second frame rods form a transverse V shape. This scheme of adoption, when first hack lever and second hack lever break away from out from first mount or second mount, the first hack lever and the second hack lever of both sides form horizontal V font, and V font opening direction inwards, so the space grow that first hack lever and the second hack lever of both sides enclose can give the sufficient space of unmanned aerial vehicle like this, avoid unmanned aerial vehicle and first hack lever and second hack lever to bump and lead to the machine of exploding, this scheme is also very simple and convenient simultaneously.
Optionally, a plurality of side grooves are formed in the upper portions of the two sides of the first fixing buckle, a clamping elastic sheet is arranged in each side groove, the upper end of each clamping elastic sheet is fixedly connected with the inner upper portion of each side groove, the lower end of each clamping elastic sheet is turned out towards the outer side, and each clamping elastic sheet can be tightly abutted to the upper end of each fixing hole. This scheme of adoption, the both sides of first fixed knot are provided with the mechanism of simple one-way chucking, and the chucking shell fragment does not receive when the rebound in the fixed orifices and blocks, but just can't the rebound when the chucking shell fragment pops out the back.
Optionally, a rotating motor is arranged on the second fixing frame, an output end of the rotating motor is connected with one end of the winding shaft, and the other end of the winding shaft is rotatably connected with the second fixing frame. The rotating motor can drive the winding shaft to rotate.
Optionally, two circular baffles are arranged on the winding shaft. This scheme of adoption can form the space that is used for holding and restricts the cable wire between two baffles.
Optionally, the upper end of the middle part of the first fixing buckle and the bottom of the fixing hole are provided with magnets. This scheme of adoption, first fixed knot can insert in the fixed orifices to be attracted by magnet.
The working principle and the beneficial effects of the scheme are as follows:
in this scheme, set up first support unit and second support unit on first machineshop car and second machineshop car, first machineshop car and second machineshop car quality are enough big, and the focus is stable, can not take place the condition of turning on one's side. Simultaneously, first expansion bracket and second expansion bracket can stretch out downwards to reach the bridge bottom, pull the cable wire to the second expansion bracket by unmanned aerial vehicle again, because the bottom of second expansion bracket is provided with first hack lever and second hack lever, the space of enclosing between first hack lever and the second hack lever is great, so unmanned aerial vehicle can transport the cable wire to the top of first fixed knot very easily, and adjustable space is big, can not explode the machine. The second expansion bracket can upwards transport the first fixing buckle to the position near the winding shaft, so that the first fixing buckle can be fixed on the winding shaft, and the position of the detection unit can be adjusted by tightening or releasing the steel cable when the winding shaft rotates again.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment;
FIG. 2 is a schematic structural diagram of a second fixed frame, a second telescopic frame, an extension frame and a second platform;
FIG. 3 is a schematic structural view of the first fastener;
FIG. 4 is a longitudinal sectional view of a portion of the structure of the second fixed frame and the second telescopic frame;
fig. 5 is a schematic structural diagram of the first stage and the detection unit.
The drawings are numbered as follows: bridge 1, second machineshop car 2, horizontal steering unit 3, vertical steering unit 4, first mount 5, first expansion bracket 6, first platform 7, first steel cable reel 8, detecting element 9, second mount 10, second expansion bracket 11, extension frame 12, winding shaft 13, second platform 14, rotating electrical machines 15, winding shaft 16, fixed orifices 17, first hack lever 18, second hack lever 19, first fixing buckle 20, side recess 21, chucking shell fragment 22, first telescoping cylinder 23, shell 24, balancing weight 25, carriage 26, cable wire 27, collude claw 28.
Detailed Description
The following is further detailed by way of specific embodiments:
examples
A mobile bridge 1 deflection detection device is shown in figures 1-5 and comprises a first engineering truck, a second engineering truck 2, a first support unit and a second support unit. All be provided with horizontal steering unit 3 and vertical steering unit 4 on first machineshop car and the second machineshop car 2, horizontal steering unit 3 is fixed to be set up at the top of machineshop car, can realize through the motor, is provided with the linking arm on the horizontal steering unit 3, is provided with vertical steering unit 4 on the linking arm, also can realize through the motor, vertical steering unit 4 is used for with first support unit or second support unit fixed connection.
The first support unit comprises a first fixing frame 5 and a first telescopic frame 6, the first telescopic frame 6 is arranged on the first fixing frame 5 in a sliding mode, a first platform 7 is horizontally and fixedly arranged at the lower end of the first telescopic frame 6, a first steel rope reel 8 is fixedly arranged on the first platform 7, a steel rope 27 is wound on the first steel rope reel 8, a hook claw 28 is fixedly arranged at the free end of the steel rope 27, and a detection unit 9 is fixedly arranged on the steel rope 27. The detecting unit 9 includes a housing 24 and a weight 25, a through hole for passing a steel cable 27 is horizontally arranged at the center of the housing 24, and the steel cable 27 is fixedly connected with the through hole. Two sliding frames 26 are fixedly arranged at the upper end of the balancing weight 25, and the sliding frames 26 are vertically and slidably arranged at the bottom of the shell 24. Can place unmanned aerial vehicle on the first platform 7, unmanned aerial vehicle can snatch the front end of cable wire 27 and can loosen.
The second support unit comprises a second fixing frame 10 and a second telescopic frame 11, the second telescopic frame 11 is vertically arranged on the second fixing frame 10 in a sliding mode, a rotating motor 15 is fixedly arranged on the inner side of the bottom of the second fixing frame 10, a winding shaft 13 is fixedly arranged on the output end of the rotating motor 15, the other end of the winding shaft 13 is rotatably connected with the other end of the inner side of the second fixing frame 10, the winding shaft 13 is rectangular, and two fixing holes 17 are formed in the center of the winding shaft 13. Two round baffles are arranged on the winding shaft 13 and are respectively positioned at two sides of the fixing hole 17. The bottom of two second expansion brackets 11 all is provided with extension frame 12, extension frame 12 includes two first hack levers 18 and two second hack levers 19, the upper end of two first hack levers 18 passes through the torsional spring rotation with the both sides lower extreme of first expansion bracket 6 respectively and is connected, the lower extreme of first hack lever 18 passes through the torsional spring and is connected with the upper end rotation of second hack lever 19, the lower extreme of second hack lever 19 passes through the torsional spring and is connected with second platform 14, the torsional spring is when natural state, first hack lever 18 is towards the outside slope, second hack lever 19 is towards inboard slope, first hack lever 18 and second hack lever 19 form horizontal V font. The bottom of the two second frame bars 19 is provided with a second platform 14, a U-shaped first fixing buckle 20 is placed on the second platform 14, and two ends of the first fixing buckle 20 can be inserted into the fixing holes 17. A plurality of side grooves 21 are formed in the upper portions of the two sides of the first fixing buckle 20, a clamping elastic sheet 22 is arranged in each side groove 21, the upper end of each clamping elastic sheet 22 is fixedly connected with the inner upper portion of each side groove 21, the lower end of each clamping elastic sheet 22 is turned out towards the outer side, and each clamping elastic sheet 22 can be tightly abutted to the upper end of the corresponding fixing hole 17. Magnets are arranged at the upper end of the middle part of the first fixing buckle 20 and at the bottom of the fixing hole 17.
A first telescopic cylinder 23 is embedded into the upper end of the first fixing frame 5, the lower end of the first fixing frame 5 is hollow, a first telescopic frame 6 is slidably arranged in the lower end of the first fixing frame 5, and the output end of the first telescopic cylinder 23 is connected with the first telescopic frame 6; the upper end of the second fixing frame 10 is embedded with a second telescopic cylinder, the lower end of the second fixing frame 10 is hollow, the second telescopic frame 11 is arranged in the lower end of the second fixing frame in a sliding mode, and the output end of the second telescopic cylinder is connected with the second telescopic frame 11.
In the specific implementation:
the use steps are as follows:
s1, driving the first engineering truck and the second engineering truck 2 onto the bridge 1 and respectively locating at two sides of the bridge 1, and starting the horizontal steering unit 3 and the vertical steering unit 4 to respectively lower the first fixing frame 5 and the second fixing frame 10 to two sides of the bridge 1;
s2, starting the first telescopic cylinder 23 and the second telescopic cylinder, and driving the first telescopic frame 6 and the second telescopic frame 11 to move downwards by the first telescopic cylinder 23 and the second telescopic cylinder; when the second telescopic frame 11 moves downwards, the extension frame 12 gradually extends out of the second fixed frame 10, and at the moment, under the action of a plurality of torsion springs, the first frame rod 18 and the second frame rod 19 form a transverse V shape;
s3, starting the unmanned aerial vehicle, wherein the unmanned aerial vehicle grabs the steel cable 27 to fly towards the direction of the second telescopic rod, and then when the steel cable 27 reaches the position above the first fixing buckle 20, the unmanned aerial vehicle releases the steel cable 27, the claw 28 of the steel cable 27 is hooked on the second platform 14, and the steel cable 27 falls into the first fixing buckle 20;
s4, starting a second telescopic cylinder, driving the second telescopic frame 11 to move upwards until two ends of the first fixing buckle 20 are inserted into the fixing hole 17 of the winding shaft 13, clamping the clamping elastic sheet 22 after being separated from the fixing hole 17 can be clamped in the fixing hole 17 from above, and meanwhile, the magnet can also clamp the fixing hole 17 and the first fixing buckle 20;
s5, starting the first telescopic cylinder 23, and driving the first telescopic frame 6 to move upwards by the first telescopic cylinder 23 so that the upper end of the first steel rope winding drum 8 is flush with the winding shaft 13 and the steel rope 27 is ensured to be horizontal;
s6, starting the rotating motor 15, wherein the rotating motor 15 drives the winding shaft 13 to rotate and drag the detection unit 9 to the center of the bottom of the bridge 1, and when the detection unit 9 is separated from the first platform 7, the balancing weight 25 falls from the shell 24 to lower the center of gravity of the whole detection unit 9;
and S6, starting the first engineering truck and the second engineering truck 2, and driving the detection unit 9 to move and detect the bottom of the bridge 1.
The foregoing is merely an example of the present invention and common general knowledge of known specific structures and features of the embodiments is not described herein in any greater detail. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the present invention.
Claims (7)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111383697.1A CN114199484B (en) | 2021-11-22 | 2021-11-22 | Portable bridge deflection check out test set |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111383697.1A CN114199484B (en) | 2021-11-22 | 2021-11-22 | Portable bridge deflection check out test set |
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| CN114199484A true CN114199484A (en) | 2022-03-18 |
| CN114199484B CN114199484B (en) | 2024-04-19 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116337372A (en) * | 2023-02-08 | 2023-06-27 | 浙江大港桥梁科学研究有限公司 | A bridge deflection detection device and detection method thereof |
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| CN114199484B (en) | 2024-04-19 |
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Address after: 310015 room 1077, building 4, No. 188, Keyuan Road, Gongshu District, Hangzhou City, Zhejiang Province Patentee after: Zhongcheng Jiaofa Engineering Consulting Group Co.,Ltd. Country or region after: China Patentee after: Zhejiang Provincial Governor's Triangle Infrastructure Science Research Institute Patentee after: Jiangshan Municipal Engineering Management Office Address before: 310000 4th floor, building 7, Xinlian Cultural Innovation Park, No. 188, Keyuan Road, Gongshu District, Hangzhou City, Zhejiang Province Patentee before: Zhongcheng Jiankan (Zhejiang) Testing Technology Co.,Ltd. Country or region before: China Patentee before: Zhejiang provincial Yangtze River Delta Urban Infrastructure Research Institute Patentee before: Jiangshan Municipal Engineering Management Office |
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Denomination of invention: A mobile bridge deflection detection device Granted publication date: 20240419 Pledgee: Hangzhou United Rural Commercial Bank Co.,Ltd. Dengta sub branch Pledgor: Zhongcheng Jiaofa Engineering Consulting Group Co.,Ltd. Registration number: Y2025330001645 |