CN217930188U - Anti-deformation measuring device - Google Patents
Anti-deformation measuring device Download PDFInfo
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- CN217930188U CN217930188U CN202122721050.7U CN202122721050U CN217930188U CN 217930188 U CN217930188 U CN 217930188U CN 202122721050 U CN202122721050 U CN 202122721050U CN 217930188 U CN217930188 U CN 217930188U
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Abstract
A deformation resistance measuring device relates to the field of anti-dazzle plate detection. The method comprises the following steps: a test platform: for fixing the antiglare shield, a holding device: a center for holding the dazzle prevention plate; a traction system: a connection clamping means for providing a traction force at a center side of the dazzle prevention plate; a distance measurement system: the anti-dazzle plate is arranged on one side of the test platform and used for acquiring the deformation quantity of the anti-dazzle plate in a traction state; the test platform is movably connected with a movable support, the traction device comprises a fixed pulley and a pull rope, the pull rope is in transmission connection with the traction system, and the fixed pulley is provided with a pulley support and used for adjusting the height of the lower edge of the fixed pulley. The central height of the antiglare shield is preliminarily adjusted by adjusting the height of the test platform, and the position of the fixed pulley on the pulley bracket is subjected to height compensation, so that the traction point and the lower edge of the fixed pulley are ensured to be on the same horizontal straight line, and the test operation is ensured to be simple and efficient.
Description
Technical Field
The utility model relates to an antiglare shield detection area, more specifically relates to a resistance to deformation measuring device.
Background
The anti-dazzle board is used as a road traffic safety facility and is usually arranged on a cement concrete guardrail of a central separation zone of an expressway, so that glare to headlights of opposite vehicles can be effectively shielded, meanwhile, the transverse visibility is good, an oblique front can be seen, and the psychological influence on drivers is small. The technical standard of the existing anti-dazzle plate product is GB/T24718-2009 anti-dazzle plate, the anti-dazzle plate mainly adopts a glass fiber reinforced plastic plate, a plastic plate and a steel metal plate, the width of the anti-dazzle plate is 80-250mm, the length of the anti-dazzle plate is 700-1000mm, and the anti-dazzle plate is usually provided with a straight plate, a reverse S shape, a leaf shape, a herringbone shape and the like in appearance.
At present, a principle sketch of an anti-wind load and deformation resistance measuring device of an anti-dazzle plate of GB/T24718 anti-dazzle plate is only given, but a standard clamp is not specified or described in detail, the existing plate traction clamp cannot meet the requirement that the anti-dazzle plate does not have a plate shape, and particularly the anti-S-shaped anti-dazzle plate which is applied more at present is provided. In an experimental diagram referred by the standard, as shown in fig. 1, the antiglare shield and the fixed pulley of the traction system thereof are fixed, but in an actual test experiment, because different antiglare shields have different heights, the adjustment amplitude can reach 150mm, and the antiglare shields with different heights need to be horizontally adjusted in the test process, so that certain difficulty exists; at present, the center height of the antiglare shield is adjusted through a liftable platform in the market to ensure that a traction point and the lower edge of a fixed pulley are on the same horizontal plane, but the adjustment is relatively complex, and the level can be ensured by continuously adjusting for many times.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming above-mentioned prior art's at least one defect (not enough), provide a resistance to deformation measuring device, examine for a nimble adjusting device is in same water flat line with the fixed pulley lower edge in order to ensure antiglare shield traction point.
The utility model discloses the technical scheme who takes is, a resistance to deformation measuring device for detect the resistance to deformation of antiglare shield, include:
a test platform: for fixing the dazzle prevention plate,
a clamping device: a center for holding the dazzle prevention plate;
a traction system: a connection clamping means for providing a traction force at a center side of the dazzle prevention plate;
the distance measuring system comprises: the anti-dazzle plate deformation quantity testing device is arranged on one side of the testing platform and used for obtaining the deformation quantity of the anti-dazzle plate in a traction state;
the test platform is provided with a movable support, the platform is moved up and down through the movable support, the traction system comprises a fixed pulley and a pull rope, the pull rope is in transmission connection with the traction system, and the fixed pulley is movably connected with a pulley support and used for adjusting the height of the lower edge of the fixed pulley. The detection device of this scheme has included the test platform that removes, the clamping device of centre gripping antiglare shield, fixed antiglare shield and adjustable fixed pulley and pulley holder on test platform, through carrying out height adjustment to test platform on moving movable support, and to the adjustment of fixed pulley height, height through adjustment test platform carries out preliminary adjustment to the central height of antiglare shield, the position of adjustment fixed pulley on pulley holder carries out height compensation, ensure that draw point and fixed pulley lower edge are on same horizontal straight line, and is easy operation, high-efficient.
Preferably, adjusting blocks are arranged on two sides of the bottom of the test platform, and screw holes are formed in two sides of each adjusting block; the movable support is provided with vertically distributed sliding grooves, and the sliding grooves are matched with the screw holes.
Preferably, the movable support is provided with a sliding bolt and a sliding nut, the sliding bolt is movably connected with the sliding groove, the bolt is fixedly connected with the test platform, and the nut is matched with the bolt to adjust the height of the test platform.
Preferably, the test platform is provided with a fixing part, and the fixing part comprises a clamping plate attached and connected with the antiglare shield and a positioning plate positioned at the bottom of the clamping plate.
Preferably, the short sides surrounding the antiglare shield are arranged at the two ends of the clamping plate, and the short sides of the two fixing pieces are mutually attached and used for wrapping the antiglare shield.
Preferably, the positioning plate and the test platform are provided with corresponding fixing holes.
Preferably, the clamping device is provided with two pull plates, the pull plates are provided with a plurality of fixing screw holes, and one side of each pull plate, which is close to the traction system, is also provided with a first pull ring.
Preferably, the lowest point of the inner side of the fixed pulley is flush with the first pull ring.
Preferably, the pulley support is provided with a supporting bolt, the supporting bolt is rotatably connected with the fixed pulley, the pull rope is matched with the fixed pulley, and the supporting bolt is fixedly connected with the pulley support through a nut.
Furthermore, the tension system is also provided with a tension beam, the tension beam is provided with a second pull ring, and the rigid pull ring is pulled up
Preferably, the ranging system is equipped with range finding slide rail, range finding balladeur train, infrared distance meter set up in on the range finding balladeur train, the range finding balladeur train with range finding slide rail sliding connection.
Furthermore, the range finding balladeur train is equipped with corresponding locking device, locking device swing joint in the both ends of range finding balladeur train are used for fixing the range finding balladeur train is in the position of range finding slide rail.
Compared with the prior art, the beneficial effects of the utility model are that:
1) The novel anti-dazzle plate clamp is adopted, the clamping requirements of different plate shapes can be met, and the universality of the clamp is enhanced. The novel clamp has firm clamping and uniform stress within the width range of the anti-dazzle plate surface, effectively solves the problem of plate body distortion in the traction process of a non-straight-plate type anti-dazzle plate and improves the measurement accuracy;
2) The test platform and the pulley support are combined and optimized, the liftable test platform and the height compensation pulley support are designed, the center height of the antiglare shield can be preliminarily adjusted by adjusting the height of the test platform, and the position of the fixed pulley on the pulley support is adjusted to perform height compensation, so that the traction point and the lower edge of the fixed pulley are ensured to be on the same horizontal straight line, and the operation is simple and efficient;
3) By adopting an infrared distance measuring system and an infrared distance meter arranged behind the test platform, the deformation of the antiglare shield can be obtained by measuring the displacement before and after the test of the marker point at the upper end of the antiglare shield, and the method is simple, efficient and high in measurement precision;
the device has the advantages of being simple, efficient, easy to operate and strong in operability, and being capable of effectively preventing the distortion damage of the plate body caused by uneven stress in the traction process of the anti-dazzle plate, simultaneously achieving the leveling of the traction point and the lower edge of the fixed pulley simply and efficiently through the combined design of the liftable test platform and the height compensation pulley support, being capable of measuring the deformation amount of the anti-dazzle plate accurately through the infrared distance measurement system, eliminating the influence of the horizontal height of the end part of the anti-dazzle plate after bending deformation on deformation measurement, and improving the measurement precision.
Drawings
Fig. 1 is a structural diagram of a deformation resistance measuring device according to the present invention.
Fig. 2 is a structural diagram of a testing platform of the deformation-resistant measuring device of the present invention.
Fig. 3 is a structural diagram of a movable support of a deformation resistance measuring device according to the present invention.
Fig. 4 is a structural diagram of a single fixing member of a deformation resistance measuring device according to the present invention.
Fig. 5 is an assembly plan view of two fixing members of a deformation-resistant measuring device according to the present invention.
Fig. 6 is a top view of the deformation resistance measuring device of the present invention.
Fig. 7 is an enlarged view of fig. 6 at c.
Fig. 8 is an assembly structure view of the fixed pulley of the deformation resistance measuring device and the fixed pulley assembly thereof according to the present invention.
Fig. 9 is a left side view of fig. 1.
Fig. 10 is a sectional view taken along line b-b of fig. 9.
Fig. 11 is a partially enlarged view of an ellipse a in fig. 1.
In the figure, the antiglare shield 100, the test platform 200, the mobile bracket 210, the sliding chute 211, the adjusting block 220, the fixing member 230, the clamping device 300, the first pull ring 310, the traction system 400, the fixed pulley 410, the pulley bracket 420, the long plate 421, the pulley long groove 422, the supporting bolt 423, the pull rope 430, the tension beam 440, the ranging system 500, the infrared range finder 510, the ranging slide 520, the ranging carriage 530, and the locking device 540.
Detailed Description
The drawings of the present invention are for illustration purposes only and are not to be construed as limiting the invention. For a better understanding of the following embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
Example 1
As shown in fig. 1, a deformation resistance measuring apparatus for detecting a deformation resistance of an dazzle prevention plate 100, includes:
the test platform 200: for fixing the dazzle prevention plate 100 in a state that,
the holding device 300: a center for holding the dazzle prevention plate 100;
the traction system 400: an attachment holding means 300 for providing a traction force at a center side of the dazzle prevention plate 100;
the distance measuring system 500: the deformation quantity measuring device is arranged on one side of the test platform 200 and is used for acquiring the deformation quantity of the antiglare shield 100 in a traction state;
the test platform 200 is provided with a movable support 210, the movable support 210 can move the platform up and down, the traction system comprises a fixed pulley 410 and a pull rope 430, the pull rope 430 is in transmission connection with the traction system 400, and the fixed pulley 410 is movably connected with a fixed pulley 410 support and used for adjusting the height of the lower edge of the fixed pulley 410. The detection device comprises a movable test platform 200, a clamping device 300 for clamping the antiglare shield 100, the antiglare shield 100 fixed on the test platform 200, an adjustable fixed pulley 410 and a fixed pulley 410 support, wherein the height of the test platform 200 on the movable support 210 and the height of the fixed pulley 410 are adjusted, the height of the center of the antiglare shield 100 is preliminarily adjusted by adjusting the height of the test stand for installing the antiglare shield 100, and the position of the fixed pulley 410 on the pulley support 420 is adjusted to compensate the height, so that the traction point and the lower edge of the fixed pulley 410 are ensured to be on the same horizontal straight line, and the operation is simple and efficient.
As shown in fig. 2, preferably, two sides of the bottom of the testing platform 200 are provided with adjusting blocks 220, and two sides of each adjusting block 220 are provided with screw holes; the movable support 210 is provided with sliding grooves 211 which are vertically distributed, and the sliding grooves 211 are adapted to the screw holes.
As shown in fig. 1 to 3, preferably, the movable bracket 210 is provided with a sliding bolt and a sliding nut, the sliding bolt is movably connected to the sliding groove 211, the bolt is fixedly connected to the testing platform 200, and the nut and the bolt are matched to adjust the height of the testing platform 200.
As shown in fig. 1, 4 and 5, preferably, the testing platform 200 is provided with a fixing member 230, and the fixing member 230 includes a clamping plate attached to the antiglare shield 100 and a positioning plate located at the bottom of the clamping plate.
Preferably, both ends of the clamping plate are provided with short sides surrounding the dazzle prevention plate 100, and the short sides of the two fixing pieces 230 are attached to each other for surrounding the dazzle prevention plate 100.
Preferably, the positioning plate and the testing platform 200 are provided with corresponding fixing holes.
As shown in fig. 1, 6 and 7, preferably, the clamping device 300 is provided with two pull plates, the pull plates are provided with a plurality of fixing screw holes, and one side of the pull plate close to the traction system 400 is further provided with a first pull ring 310.
As shown in fig. 1 and 6-11, a rigid pull rope 430 is preferably provided, the fixed pulley 410 bracket comprises a pulley bracket 420 and a fixed pulley 410 body, and the fixed pulley 410 is slidably connected with the pulley bracket 420. The pulley support 420 is located on the long plate 421 at both sides of the fixed pulley 410, and is located on the workpiece support at the bottom side of the long plate 421, and the long plate 421 is provided with a corresponding pulley long groove 422.
Preferably, the lowest point inside the fixed pulley 410 is flush with the first tab 310.
Preferably, a supporting bolt 423 is provided, the supporting bolt 423 is rotatably connected with the fixed pulley 410, the pulling rope 430 is adapted to the fixed pulley 410, and the supporting bolt 423 is fixedly connected with the pulley bracket 420 through a nut.
Furthermore, the tension system is further provided with a tension beam 440, the tension beam 440 is provided with a second pull ring, and the rigid pull ring is pulled up
Preferably, the distance measuring system 500 is provided with a distance measuring slide rail 520, a distance measuring carriage 530 and an infrared distance measuring instrument 510, wherein the infrared distance measuring instrument 510 is arranged on the distance measuring carriage 530, and the distance measuring carriage 530 is slidably connected with the distance measuring slide rail 520.
Further, the distance measuring carriage 530 is provided with corresponding locking devices 540, and the locking devices 540 are movably connected to two ends of the distance measuring carriage 530 and are used for fixing the position of the distance measuring carriage 530 on the distance measuring slide rail 520.
Compared with the prior art, the beneficial effects of the utility model are that:
1) By adopting the universal clamping device 300, the clamping requirements of different plate shapes can be met, and the universality is enhanced. The clamping device 300 has firm clamping and uniform stress in the width range of the surface of the anti-dazzle plate 100, effectively solves the problem of plate body distortion in the traction process of the non-straight-plate type anti-dazzle plate 100 and improves the measurement accuracy;
2) The liftable test platform 200 and the height compensation pulley support 420 are designed by performing combined optimization design on the test platform 200 and the pulley support 420, the height of the center of the antiglare shield can be preliminarily adjusted by adjusting the height of the test platform 200, the position of the fixed pulley 410 on the pulley support 420 is adjusted for height compensation, a traction point, namely the center of the first pull ring 310 and the lower edge of the fixed pulley 410 are ensured to be on the same horizontal straight line, and the operation is simple and efficient;
3) By adopting the infrared distance measuring system 500 and the infrared distance measuring instrument 510 arranged behind the test platform 200, the deformation of the antiglare shield 100 can be obtained by measuring the displacement before and after the test of the marker point at the upper end of the antiglare shield 100, and the method is simple, efficient and high in measurement accuracy;
the device has the advantages of being simple, efficient, easy to operate and strong in operability, and can effectively prevent the distortion damage of the plate body caused by uneven stress in the traction process of the anti-dazzle plate, meanwhile, the combination design of the liftable test platform 200 and the height compensation pulley support 420 can simply and efficiently realize the leveling of the traction point and the lower edge of the fixed pulley, the infrared distance measurement system can measure and accurately measure the deformation of the anti-dazzle plate, the influence of the horizontal height of the end part of the anti-dazzle plate after bending deformation on the deformation measurement is eliminated, and the measurement precision is improved.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the technical solutions of the present invention, and are not limitations to the specific embodiments of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.
Claims (10)
1. A deformation-resistant amount measuring device for detecting deformation-resistant amount of an antiglare shield, comprising:
a test platform: for fixing the dazzle prevention plate, and a fixing part,
a clamping device: a center for holding the dazzle prevention plate;
a traction system: a connection clamping means for providing a traction force at a center side of the dazzle prevention plate;
a distance measurement system: the anti-dazzle plate deformation quantity testing device is arranged on one side of the testing platform and used for obtaining the deformation quantity of the anti-dazzle plate in a traction state;
the method is characterized in that: the test platform is provided with a movable support, the platform is moved up and down through the movable support, the traction system comprises a fixed pulley, and the fixed pulley is movably connected with a pulley support and used for adjusting the height of the lower edge of the fixed pulley.
2. The deformation resistance measuring device of claim 1, wherein two sides of the bottom of the test platform are provided with adjusting blocks, and two sides of each adjusting block are provided with screw holes; the movable support is provided with vertically distributed sliding grooves, and the sliding grooves are matched with the screw holes.
3. The deformation-resistant measuring device of claim 1, wherein the testing platform is provided with a fixing member, and the fixing member comprises a clamping plate attached to the antiglare shield and a positioning plate at the bottom of the clamping plate.
4. The deformation-resistant measuring apparatus according to claim 3, wherein both ends of the clamping plate are provided with short sides surrounding the dazzle prevention plate, and the short sides of the two fixing members are attached to each other for surrounding the dazzle prevention plate.
5. The deformation-resistant measuring device of claim 3 or 4, wherein the positioning plate and the testing platform are provided with fixing holes corresponding to each other.
6. The deformation-resistant measuring device as claimed in claim 1, wherein the holding device has two pull plates, the pull plates have a plurality of fixing screw holes, and a first pull ring is further provided on a side of the pull plate close to the traction system.
7. The deformation-resistant measuring device of claim 6, wherein the lowest point inside the fixed pulley is flush with the first tab.
8. The deformation-resistant measuring device according to claim 7, wherein a support bolt is provided, the support bolt is rotatably connected with the fixed pulley, a pull rope is adapted to the fixed pulley, and the support bolt is fixedly connected with the pulley bracket through a nut.
9. The deformation-resistant measuring device according to claim 1, wherein the distance measuring system comprises a distance measuring slide rail, a distance measuring carriage, and an infrared distance measuring device, the infrared distance measuring device is disposed on the distance measuring carriage, and the distance measuring carriage is slidably connected to the distance measuring slide rail.
10. The deformation-resistant measuring device as claimed in claim 9, wherein the distance measuring carriage is provided with corresponding locking devices, and the locking devices are movably connected to two ends of the distance measuring carriage for fixing the position of the distance measuring carriage on the distance measuring slide rail.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122721050.7U CN217930188U (en) | 2021-11-08 | 2021-11-08 | Anti-deformation measuring device |
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| CN202122721050.7U CN217930188U (en) | 2021-11-08 | 2021-11-08 | Anti-deformation measuring device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117969307A (en) * | 2024-04-01 | 2024-05-03 | 东北大学 | Intensity testing device for hard coating |
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2021
- 2021-11-08 CN CN202122721050.7U patent/CN217930188U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117969307A (en) * | 2024-04-01 | 2024-05-03 | 东北大学 | Intensity testing device for hard coating |
| CN117969307B (en) * | 2024-04-01 | 2024-06-11 | 东北大学 | Intensity testing device for hard coating |
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