CN204154737U - Realize the vehicle-mounted telescopic cantilever arrangement that sensor automation is arranged - Google Patents
Realize the vehicle-mounted telescopic cantilever arrangement that sensor automation is arranged Download PDFInfo
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- CN204154737U CN204154737U CN201420529815.4U CN201420529815U CN204154737U CN 204154737 U CN204154737 U CN 204154737U CN 201420529815 U CN201420529815 U CN 201420529815U CN 204154737 U CN204154737 U CN 204154737U
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- vehicle
- collecting box
- fixed
- signals collecting
- upper plate
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Abstract
The utility model discloses a kind of vehicle-mounted telescopic cantilever arrangement realizing sensor automation and arrange, comprise vehicle-mounted bracket, the overarm being fixed on the drive unit on vehicle-mounted bracket and being connected with described drive unit, overarm is provided with at least one signals collecting box, acceleration transducer is provided with in signals collecting box, spring and upper plate, accelerometer sensor is fixed on upper plate, spring housing to be located in described accelerometer sensor and between upper plate upper surface and signals collecting box inner top surface, the guidepost that one passes described signals collecting box lower end is also connected with in the lower end of described upper plate, a lower shoe is fixedly connected with in the lower end of guidepost, be fixed with a slide block in the upper end of described signals collecting box, this slide block is connected with described overarm.It can realize the accurate measurement the same with classic method, and specifically it can realize the accelerometer installation and removal of portable robotization, thus significantly saves test period and increase work efficiency.
Description
Technical field
The small bridge that the utility model relates to building and traffic engineering is tested and safety assessment field fast.The utility model is a kind of vehicular telescopic cantilever system being applicable to small bridge and testing fast, acceleration transducer is made to get final product Measurement accuracy without the need to being pasted onto bridge floor, thus reach the portable object measured and test fast, significantly improve testing efficiency and save cost.
Background technology
The test of bridge and Gernral Check-up work are to ensureing that bridge is on active service safely and avoids the serious accidents such as bridge collapse most important.By the end of the year 2009, Bridges in Our Country sum nearly 59.46 ten thousand, wherein medium and small bridges 55.28 ten thousand.Due to the restriction of each side such as fund, manpower, attention degree, numerous medium and small bridges is long neglected and in disrepair, may there is serious potential safety hazard, is badly in need of carrying out effective safety generaI investigation.Therefore, the small bridge health diagnosis that tempo of development is fast, cost is low is a urgent tasks of science.
The vibration-testing measuring car based on movable type is the new type health monitoring method that can realize small bridge rapid evaluation.It is by using a small amount of accelerometer, along with the movement Quick Measurement on bridge floor measuring car, efficiently convenient and swift.But will realize conveniently portable quick test of measuring car, traditional sensor arrangement method is no longer applicable.In conventional methods where, need to be fixed on bridge floor by manual operation degree of will speed up meter by the stickup such as glue or magnetic support, the dynamic response then carrying out structure is measured.This does not just cause sensor quick detachable and reuse, and cause manual operation many, expend time in length, cannot be applicable to the portable measuring vehicle for the purpose of testing fast.
In order to solve the problem of above-mentioned accelerometer traditional arrangement method, the requirement of engineering that novel movable type measures the quick test of car can be met, the utility model is pressed down by the jib system designing a kind of automatically retractable and movement but not is pasted accelerometer to bridge floor, and it can move freely and full-automatic installation and removal with car, thus the robotization achieving vehicular accelerometer is arranged and is effectively measured, be applicable to novel movable type and measure the requirement of engineering that car carries out the test of bridge block impact vibration, test fast for small bridge and create necessary condition with safety assessment.
Summary of the invention
Technical problem to be solved in the utility model is the problem that in the movable type measurement for background technology introduction, traditional accelerometer method for arranging is no longer suitable for, and provides a kind of novel vehicle-mounted telescopic cantilever arrangement realizing sensor automation layout based on vehicle-mounted telescopic jib system being applicable to traverse measurement.
For solving the problems of the technologies described above, the technical solution of the utility model is:
A kind of vehicle-mounted telescopic cantilever arrangement realizing sensor automation and arrange, it is characterized in that: comprise vehicle-mounted bracket, the overarm being fixed on the drive unit on vehicle-mounted bracket and being connected with described drive unit, overarm is provided with at least one signals collecting box, acceleration transducer is provided with in described signals collecting box, spring and upper plate, described accelerometer sensor is fixed on described upper plate, described spring housing to be located in described accelerometer sensor and between described upper plate upper surface and signals collecting box inner top surface, the guidepost that one passes described signals collecting box lower end is also connected with in the lower end of described upper plate, a lower shoe is fixedly connected with in the lower end of guidepost, be fixed with a slide block in the upper end of described signals collecting box, this slide block is connected with described overarm.
Described drive unit comprise horizontal air cylinder, vertically cylinder and with described horizontal air cylinder and the vertical air pump brake system that is connected of the inlet end of cylinder and outlet side, described vertical cylinder is fixed on vehicle-mounted bracket, fix described horizontal air cylinder at the output terminal of described vertical cylinder, described overarm is fixed on the output terminal of described horizontal air cylinder.
Be fixed with a channel-section steel at the output terminal of described vertical cylinder, described horizontal air cylinder is fixed in channel-section steel.
The utility model acceierometer sensor is bound up with the automatic telescopic cantilever of vehicle chassis, can move freely, robotization installation and removal, repeatedly put and reuse, realize the requirement that robotization sensor is arranged and tested fast, do not need by glue or magnetic support etc., sensor to be fixed on bridge floor as classic method, open method is intended in test findings display can reach the same measuring accuracy of classic method, but can significantly save test period and cost;
Air pump brake system controls the left and right of cantilever and freely up and down moves, the collecting cassette that accelerometer is housed is connected with automatic cantilever by slide block, can freely arrive nominative testing region, then air pump system produces downforce and presses down collecting cassette on bridge floor by the transmission of cantilever, slide block, spring, thus ensureing that accelerometer can close proximity to ground, the sensor achieved required for traverse measurement is arranged fast.
The beneficial effect of technical scheme described in the utility model is:
A) accelerometer and movable type are measured car and are bound up, without the need to being fixed on bridge floor, and can move with car, achieve the requirement that robotization is arranged in mobile collection, cylinder activation system applies vertical force and presses down cantilever, transmit vertical downforce compressing accelerometer close proximity to ground by slide block, spring etc., thus ensure the accuracy of accelerometer measures;
B) cantilever arrangement is by level and vertical direction air cylinder driven, can realize whole-process automatic and move under the control of the control system be made up of solenoid valve, thus drives accelerometer to measuring position.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model device;
Fig. 2 is the structural representation of the utility model signals collecting box;
Fig. 3 is test design sketch of the present utility model.
Implication is identified: slide block 1, spring 2, acceleration transducer 3, upper plate 4, guidepost 5, lower shoe 6, signals collecting box, 7, cantilever 8, horizontal air cylinder 9, vertical cylinder 10, air pump brake system 11 in figure.
Embodiment
Below in conjunction with accompanying drawing, the utility model is elaborated:
As shown in Figure 1, the utility model realizes the vehicle-mounted telescopic cantilever arrangement that sensor automation is arranged, comprise and be arranged on vertical cylinder 10 on traverse measurement car vehicle-mounted bracket and air pump brake system 11, air pump brake system 11 is fixed on the midpoint of vertical cylinder line, fix with bolt and upper plate, the action that air pump use for brake system caulking gum pipe is connected for level of control cylinder 9 and vertical cylinder 10 with vertical cylinder 10 with horizontal air cylinder 9.Be arranged on the channel-section steel with rectangle and trapezium channel section measured below car bottom plate, the level inside channel-section steel of being placed on is to cylinder 7, cantilever 8 is connected on horizontal air cylinder 9, movable sliding block 1 cantilever 8 is equipped with, each slide block lower end connects collecting cassette 5, spring 2 is installed in collecting cassette, acceleration transducer 3 and upper plate 4, accelerometer sensor 3 is fixed on upper plate 4, spring 2 to be set in accelerometer sensor 3 and between upper plate upper surface and signals collecting box inner top surface, the guidepost 6 that one passes signals collecting box 5 lower end is also connected with in the lower end of upper base 4 plate, a lower shoe 7 is fixedly connected with in the lower end of guidepost 6, as shown in Figure 2.At air pump and controller and there is turnover feed channel to be connected between controller and cylinder, controller can control turnover automatically the opening and cut out of feed channel valve according to instruction.The acceleration transducer installed in collecting cassette to be connected with placement data collecting instrument (not drawing) onboard by data line and to gather and transmit data.
The using method of the utility model device is:
1) portable garage of measuring sails to after bridge floor nominative testing region comes to a complete stop, the gas that air pump produces is delivered in vertical two cylinders by air pump brake system, guide cantilever vertically to move to and keep static after high five centimeters in ground, and stop supplying gas to vertical cylinder;
2) gas is delivered in two cylinders of horizontal direction by air pump brake system, guides cantilever in the horizontal direction above telescopic moving to test point.While telescopic cantilever moves in the horizontal direction, the collecting cassette that cantilever is connected by slide block spreads out, and distribution, with on cantilever, now stops supplying gas to horizontal air cylinder;
3) air pump brake system is supplied gas to vertical cylinder, cantilever is guided vertically to move to ground, and root applies certain pressure collecting cassette, this vertical pressure presses down upper plate and accelerometer to ground by the transmission of collecting cassette inner spring, can start image data;
4), after data acquisition completes, air pump brake system control cylinder guides cantilever vertically to move with horizontal direction and sensor and cantilever are returned back to initial position uses for testing next time.
Below in conjunction with a specific embodiment, specifically set forth measurement effect of the present utility model:
Embodiment
According to the step in embodiment by controller control air pump system guide cantilever vertically and horizontal direction move freely to measuring position, press down cantilever, this vertical downforce is passed to the spring in collecting cassette by slide block, and then presses down accelerometer and make its close contact bridge floor to ensure the accuracy of measurement result.For research downforce size is on the impact of measurement result, adopts different vertical forces to press down accelerometer respectively, and carry out the acceleration analysis of bridge floor respectively.For verifying the accuracy of measured acceleration in portable method for arranging, conventionally paste other accelerometer simultaneously and measure to same position, measured precise measurements as a reference.By the precise measurements in the measured value in more portable method for arranging and traditional method of attaching, the validity of portable method for arranging can be verified.Their related coefficient is used to the consistance comparing two Acceleration time course.The related coefficient of two Acceleration time course, between 0 to 1, if be 1, illustrates that they are completely the same.This related coefficient is larger, illustrates that consistance is stronger.Test result display in Fig. 3, along with the enhancing gradually of vertical downforce, the correlativity of the Acceleration time course of two kinds of method gained strengthens gradually.After vertical downforce reaches 40N, related coefficient approaches 1, illustrates that the effect of portable method for arranging is consistent with the effect of traditional adhesive type method for arranging.In order to the stability of validation test result, second time has been carried out in same test, and acquired results is consistent with first time test result, indicates the reliability of institute's announcing the law.This embodiment shows, when applying portable method for arranging of the present utility model, as long as vertical downforce reaches more than 40N, the effect the same with traditional method of attaching can be obtained, and this inventive method full automatic working, being applicable to portable measurement, its convenient and swift degree is much better than traditional adhesive type method for arranging.
Claims (3)
1. the vehicle-mounted telescopic cantilever arrangement realizing sensor automation and arrange, it is characterized in that: comprise vehicle-mounted bracket, the overarm being fixed on the drive unit on vehicle-mounted bracket and being connected with described drive unit, overarm is provided with at least one signals collecting box, acceleration transducer is provided with in described signals collecting box, spring and upper plate, described accelerometer sensor is fixed on described upper plate, described spring housing to be located in described accelerometer sensor and between described upper plate upper surface and signals collecting box inner top surface, the guidepost that one passes described signals collecting box lower end is also connected with in the lower end of described upper plate, a lower shoe is fixedly connected with in the lower end of guidepost, be fixed with a slide block in the upper end of described signals collecting box, this slide block is connected with described overarm.
2. the vehicle-mounted telescopic cantilever arrangement realizing sensor automation and arrange according to claim 1, it is characterized in that: described drive unit comprise horizontal air cylinder, vertically cylinder and with described horizontal air cylinder and the vertical air pump brake system that is connected of the inlet end of cylinder and outlet side, described vertical cylinder is fixed on vehicle-mounted bracket, fix described horizontal air cylinder at the output terminal of described vertical cylinder, described overarm is fixed on the output terminal of described horizontal air cylinder.
3. the vehicle-mounted telescopic cantilever arrangement realizing sensor automation and arrange according to claim 2, is characterized in that: be fixed with a channel-section steel at the output terminal of described vertical cylinder, described horizontal air cylinder is fixed in channel-section steel.
Priority Applications (1)
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CN201420529815.4U CN204154737U (en) | 2014-09-16 | 2014-09-16 | Realize the vehicle-mounted telescopic cantilever arrangement that sensor automation is arranged |
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CN201420529815.4U CN204154737U (en) | 2014-09-16 | 2014-09-16 | Realize the vehicle-mounted telescopic cantilever arrangement that sensor automation is arranged |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104198760A (en) * | 2014-09-16 | 2014-12-10 | 东南大学 | Vehicle-mounted telescopic cantilever device capable of implementing automatic layout of sensors |
-
2014
- 2014-09-16 CN CN201420529815.4U patent/CN204154737U/en not_active Withdrawn - After Issue
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104198760A (en) * | 2014-09-16 | 2014-12-10 | 东南大学 | Vehicle-mounted telescopic cantilever device capable of implementing automatic layout of sensors |
CN104198760B (en) * | 2014-09-16 | 2016-08-17 | 东南大学 | Realize the vehicle-mounted telescopic cantilever arrangement that sensor automation is arranged |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
AV01 | Patent right actively abandoned |
Granted publication date: 20150211 Effective date of abandoning: 20160817 |
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C25 | Abandonment of patent right or utility model to avoid double patenting |