CN114199484B - Portable bridge deflection check out test set - Google Patents
Portable bridge deflection check out test set Download PDFInfo
- Publication number
- CN114199484B CN114199484B CN202111383697.1A CN202111383697A CN114199484B CN 114199484 B CN114199484 B CN 114199484B CN 202111383697 A CN202111383697 A CN 202111383697A CN 114199484 B CN114199484 B CN 114199484B
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- 238000004804 winding Methods 0.000 claims abstract description 40
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 38
- 239000010959 steel Substances 0.000 claims abstract description 38
- 238000001514 detection method Methods 0.000 claims abstract description 27
- 210000000078 claw Anatomy 0.000 claims description 3
- 230000005484 gravity Effects 0.000 claims description 3
- 230000007306 turnover Effects 0.000 abstract 1
- 239000012634 fragment Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
Classifications
-
- 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
-
- 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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- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention relates to the field of bridge detection, and particularly discloses movable bridge deflection detection equipment which comprises a first engineering truck, a second engineering truck, a first support unit and a second support unit; the first bracket 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 manner, 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, and a detection unit is fixedly arranged on 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 fixing holes are formed in the winding shaft. The invention aims to solve the technical problem that equipment is easy to turn over.
Description
Technical Field
The invention relates to the field of bridge detection, and particularly discloses movable bridge deflection detection equipment.
Background
Deflection detection is one of important items in bridge detection, and the prior art can adopt a dial indicator to detect, specifically comprises the following steps: the detection staff holds the long rod, pushes the dial indicator below the bridge deck, then moves the long rod and the dial indicator to detect, and the method is simple and convenient, low in cost and short in detection time, is most practical, but can only detect bridges on land, and cannot be realized for some bridges crossing rivers and mountain bodies.
In the prior art, a device capable of being arranged on a bridge deck is presented, which can extend out of a bracket to the bottom of the bridge deck and drive a detection device to move, and the device of the type has some disadvantages, such as: the weight of the bracket and the detection equipment part is large, and the whole equipment can be turned over, so that the equipment falls under the bridge, and the equipment with a lighter bracket part is needed at present, so that the accident that the equipment is turned over due to unstable gravity center is avoided.
Disclosure of Invention
Therefore, the invention aims to provide the mobile bridge deflection detection equipment so as to solve the technical problem that the equipment is easy to roll over.
In order to achieve the above purpose, the present invention provides the following technical solutions:
The mobile bridge deflection detection equipment comprises a first engineering vehicle, a second engineering vehicle, a first support unit and a second support unit, wherein the first support unit is arranged on the first engineering vehicle, and the second support unit is arranged on the second engineering vehicle; the first bracket 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 arranged 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 arranged 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 extend under the bridge downwards on the bridge floor, then take the cable wire to the second expansion bracket through unmanned aerial vehicle, the cable wire falls into first fixed knot in, then starts the second expansion bracket, and the second expansion bracket drives first fixed knot and upwards moves and block into winding epaxially, and the winding epaxially just can twine the cable wire at the winding epaxially again to with detecting element pulling to bridge bottom center department.
Optionally, a first telescopic cylinder is embedded in 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 embedding of second mount is provided with the flexible jar of second, and the lower extreme cavity of second mount, and the flexible frame slip of second sets up in the lower extreme of first mount, and the output of the flexible jar of second is connected with the flexible frame of second. 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 second expansion bracket is provided with the extension frame, the extension frame includes two first hack levers and two second hack levers, the upper end of two first hack levers passes through the torsional spring with the both sides lower extreme of first expansion bracket respectively and rotates to be connected, the lower extreme of first hack lever passes through the torsional spring and rotates to be connected with the upper end of second hack lever, the lower extreme of second hack lever passes through the torsional spring and is connected with the second platform, when the torsional spring is under natural state, first hack lever inclines towards the outside, the second hack lever inclines towards the inboard, first hack lever and second hack lever form the V font of horizontal. By adopting the scheme, when the first hack lever and the second hack lever break away 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 that first hack lever and second hack lever of both sides encloses becomes big, can give unmanned aerial vehicle sufficient space like this, avoid unmanned aerial vehicle to collide with first hack lever and second hack lever and lead to the frying machine, and this scheme is also very simple and convenient simultaneously.
Optionally, the both sides upper portion of first fixed knot is provided with a plurality of side grooves, be provided with the chucking shell fragment in the side groove, the upper end of chucking shell fragment and the interior upper portion fixed connection of side groove, the lower extreme of chucking shell fragment rolls out towards the outside, and the chucking shell fragment can support tightly with the upper end of fixed orifices. By adopting the scheme, the two sides of the first fixing buckle are provided with simple unidirectional clamping mechanisms, the clamping elastic sheet is not blocked when moving upwards in the fixing hole, but cannot move downwards after the clamping elastic sheet pops up.
Optionally, a rotating motor is arranged on the second fixing frame, the output end of the rotating motor is connected with one end of the winding shaft, and the other end of the winding shaft is rotationally connected with the second fixing frame. The rotary motor can drive the winding shaft to rotate.
Optionally, two circular baffles are arranged on the winding shaft. By adopting the scheme, a space for accommodating and limiting the steel rope can be formed between the two baffles.
Optionally, magnets are arranged at the upper end of the middle part of the first fixing buckle and at the bottom of the fixing hole. By adopting the scheme, the first fixing buckle can be inserted into the fixing hole and is attracted by the magnet.
The working principle and the beneficial effects of the scheme are as follows:
In this scheme, with first support unit and second support unit setting on first engineering truck and second engineering truck, first engineering truck and second engineering truck 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 again by unmanned aerial vehicle, because the bottom of second expansion bracket is provided with first hack lever and second hack lever, enclose into the space between first hack lever and the second hack lever 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 fry the machine. The second expansion bracket can transport the first fixing buckle upwards to the vicinity of the winding shaft, and enable the first fixing buckle to be fixed to the winding shaft, and the winding shaft can tighten or loosen the steel cable to adjust the position of the detection unit when rotating again.
Drawings
FIG. 1 is a schematic diagram of an embodiment;
FIG. 2 is a schematic structural view of a second mount, a second expansion bracket, an extension bracket, and a second platform;
FIG. 3 is a schematic structural view of a first fastener;
FIG. 4 is a longitudinal cross-sectional view of a portion of the structure of the second mount and the second telescoping mount;
Fig. 5 is a schematic structural diagram of the first platform and the detection unit.
The figures are marked as follows: bridge 1, second engineering truck 2, horizontal steering unit 3, vertical steering unit 4, first mount 5, first expansion bracket 6, first platform 7, first steel rope reel 8, detecting unit 9, second mount 10, second expansion bracket 11, extension bracket 12, winding shaft 13, second platform 14, rotating electrical machine 15, winding shaft 16, fixed hole 17, first hack lever 18, second hack lever 19, first fixing buckle 20, side groove 21, clamping spring piece 22, first expansion cylinder 23, shell 24, balancing weight 25, carriage 26, wire rope 27, hook 28.
Detailed Description
The following is a further detailed description of the embodiments:
Examples
The deflection detection equipment for the movable bridge 1 is shown in fig. 1-5, and comprises a first engineering truck, a second engineering truck 2, a first bracket unit and a second bracket unit. The first engineering vehicle and the second engineering vehicle 2 are both provided with a horizontal steering unit 3 and a vertical steering unit 4, the horizontal steering unit 3 is fixedly arranged at the top of the engineering vehicle and can be realized through a motor, the horizontal steering unit 3 is provided with a connecting arm, the connecting arm is provided with the vertical steering unit 4 and can also be realized through the motor, and the vertical steering unit 4 is used for being fixedly connected with the first bracket unit or the second bracket unit.
The first bracket unit comprises a first fixing frame 5 and a first telescopic frame 6, wherein the first telescopic frame 6 is arranged on the first fixing frame 5 in a sliding manner, a first platform 7 is horizontally and fixedly arranged at the lower end of the first telescopic frame 6, a first steel rope winding drum 8 is fixedly arranged on the first platform 7, a steel rope 27 is wound on the first steel rope winding drum 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 comprises a shell 24 and a balancing weight 25, wherein a through hole for penetrating a steel cable 27 is horizontally penetrated in the center of the shell 24, and the steel cable 27 is fixedly connected with the through hole. The upper end of balancing weight 25 is fixed and is provided with two carriage 26, and carriage 26 vertical sliding setting is in the bottom of shell 24. An unmanned aerial vehicle can be placed on the first platform 7, and the unmanned aerial vehicle can grasp the front end of the steel cable 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 and slidably arranged on the second fixing frame 10, a rotary 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 at the output end of the rotary motor 15, the other end of the winding shaft 13 is rotationally 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 circular baffles are arranged on the winding shaft 13 and are respectively positioned at two sides of the fixed 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 is connected through the torsional spring rotation with the both sides lower extreme of first expansion bracket 6 respectively, the lower extreme of first hack lever 18 is connected through the upper end rotation of torsional spring and second hack lever 19, the lower extreme of second hack lever 19 is connected with second platform 14 through the torsional spring, when the torsional spring is under natural state, first hack lever 18 inclines towards the outside, second hack lever 19 inclines towards the inboard, first hack lever 18 and second hack lever 19 form the V font of horizontal. The bottoms of the two second hack levers 19 are 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. The upper portions of two sides of the first fixing buckle 20 are provided with a plurality of side grooves 21, clamping elastic pieces 22 are arranged in the side grooves 21, the upper ends of the clamping elastic pieces 22 are fixedly connected with the inner upper portions of the side grooves 21, the lower ends of the clamping elastic pieces 22 roll outwards, and the clamping elastic pieces 22 can be abutted against the upper ends of the fixing holes 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.
The upper end of the first fixing frame 5 is embedded with a first telescopic cylinder 23, the lower end of the first fixing frame 5 is hollow, the first telescopic frame 6 is arranged in the lower end of the first fixing frame 5 in a sliding manner, and the output end of the first telescopic cylinder 23 is connected with the first telescopic frame 6; the upper end embedding of second mount 10 is provided with the flexible jar of second, and the lower extreme cavity of second mount 10, and second expansion bracket 11 slides and sets up in the lower extreme of first mount, and the output of the flexible jar of second is connected with second expansion bracket 11.
The specific implementation method comprises the following steps:
The using steps are as follows:
S1, driving a first engineering vehicle and a second engineering vehicle 2 onto a bridge 1, respectively positioned at two sides of the bridge 1, and starting a horizontal steering unit 3 and a vertical steering unit 4 to enable a first fixing frame 5 and a second fixing frame 10 to be respectively lowered to two sides of the bridge 1;
S2, starting a first telescopic cylinder 23 and a second telescopic cylinder, wherein the first telescopic cylinder 23 and the second telescopic cylinder drive the first telescopic frame 6 and the second telescopic frame 11 to move downwards; when the second telescopic frame 11 moves downwards, the extension frame 12 gradually extends out of the second fixing frame 10, and at the moment, under the action of a plurality of torsion springs, the first hack lever 18 and the second hack lever 19 form a transverse V shape;
S3, starting the unmanned aerial vehicle, enabling the unmanned aerial vehicle to capture the steel cable 27 and fly in the direction of the second telescopic rod, and then releasing the steel cable 27 when the steel cable 27 reaches the upper side of the first fixed buckle 20, wherein the hook claw 28 of the steel cable 27 is hooked on the second platform 14 and the steel cable 27 falls into the first fixed buckle 20;
S4, starting a second telescopic cylinder, wherein the second telescopic cylinder drives 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, at the moment, the clamping elastic sheet 22 can be clamped in the fixing hole 17 from above after being separated from the fixing hole 17, and meanwhile, the magnet can also clamp the fixing hole 17 and the first fixing buckle 20;
S5, starting a first telescopic cylinder 23, wherein the first telescopic cylinder 23 drives the first telescopic frame 6 to move upwards, so that the upper end of the first steel rope drum 8 is level with the winding shaft 13, and the steel rope 27 is ensured to be horizontal;
S6, starting a rotating motor 15, wherein the rotating motor 15 drives a winding shaft 13 to rotate and drags 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 down from the shell 24 so as to lower the center of gravity of the whole detection unit 9;
S6, starting the first engineering truck and the second engineering truck 2, and driving the detection unit 9 to move and detecting the bottom of the bridge 1.
The foregoing is merely exemplary embodiments of the present invention, and specific structures and features that are well known in the art are not described in detail herein. It should be noted that modifications and improvements can be made by those skilled in the art without departing from the structure of the present invention, and these should also be considered as the scope of the present invention, which does not affect the effect of the implementation of the present invention and the practical applicability of the present invention.
Claims (2)
1. The utility model provides a portable bridge deflection check out test set which characterized in that: the system comprises a first engineering vehicle, a second engineering vehicle, a first support unit and a second support unit, wherein the first support unit is arranged on the first engineering vehicle, and the second support unit is arranged on the second engineering vehicle; the first bracket 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, and a detection unit is fixedly arranged on the steel rope; the second bracket 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; the upper end of the first fixing frame is embedded with a first telescopic cylinder, the lower end of the first fixing frame is hollow, the first telescopic frame is arranged in the lower end of the first fixing frame in a sliding manner, 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 first fixing frame in a sliding manner, and the output end of the second telescopic cylinder is connected with the second telescopic frame; the lower part of the second expansion bracket is provided with an extension bracket, the extension bracket comprises two first hack levers and two second hack levers, the upper ends of the two first hack levers are respectively connected with the lower ends of the two sides of the second expansion bracket in a rotating way through torsion springs, the lower ends of the first hack levers are connected with the upper ends of the second hack levers in a rotating way through torsion springs, the lower ends of the second hack levers are connected with a second platform through torsion springs, when the torsion springs are in a natural state, the first hack levers incline outwards, the second hack levers incline inwards, and the first hack levers and the second hack levers form a transverse V shape; the upper parts of the two sides of the first fixing buckle are provided with a plurality of side grooves, clamping elastic pieces are arranged in the side grooves, the upper ends of the clamping elastic pieces are fixedly connected with the inner upper parts of the side grooves, the lower ends of the clamping elastic pieces roll out outwards, and the clamping elastic pieces can be abutted against the upper ends of the fixing holes; the second fixing frame is provided with a rotating motor, the output end of the rotating motor is connected with one end of a winding shaft, and the other end of the winding shaft is rotationally connected with the second fixing frame;
When the unmanned aerial vehicle is used, the unmanned aerial vehicle is required to grab the steel cable and fly towards the direction of the second telescopic rod, then when the steel cable reaches the upper part of the first fixing buckle, the unmanned aerial vehicle releases the steel cable, the hook claw of the steel cable is hooked on the second platform, and the steel cable falls into the first fixing buckle; starting a first telescopic cylinder, wherein the first telescopic cylinder drives a first telescopic frame to move upwards, so that the upper end of a first steel rope winding drum is level with a winding shaft, and the steel rope level is ensured; starting a rotating motor, driving a winding shaft to rotate by the rotating motor and dragging the detection unit to the center of the bottom of the bridge, and when the detection unit is separated from the first platform, dropping the balancing weight from the shell to lower the gravity center of the whole detection unit;
The upper end of the middle part of the first fixing buckle and the bottom of the fixing hole are provided with magnets.
2. The mobile bridge deflection detection apparatus of claim 1, wherein: two round baffles are arranged on the winding shaft.
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 |
Applications Claiming Priority (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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| Publication Number | Publication Date |
|---|---|
| CN114199484A CN114199484A (en) | 2022-03-18 |
| CN114199484B true CN114199484B (en) | 2024-04-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111383697.1A Active CN114199484B (en) | 2021-11-22 | 2021-11-22 | Portable bridge deflection check out test set |
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| CN (1) | CN114199484B (en) |
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|---|---|
| CN114199484A (en) | 2022-03-18 |
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