CN210051526U

CN210051526U - Anti-dazzle board anti-wind load testing machine

Info

Publication number: CN210051526U
Application number: CN201921049624.7U
Authority: CN
Inventors: 元松; 申赟
Original assignee: Shanghai Municipal Highway Engineering Testing Co Ltd
Current assignee: Shanghai Municipal Highway Engineering Testing Co Ltd
Priority date: 2019-07-03
Filing date: 2019-07-03
Publication date: 2020-02-11
Anticipated expiration: 2029-07-03

Abstract

The utility model discloses an anti-dazzle board wind load test machine relates to road traffic anti-dazzle board sample capability test technical field and includes the fixed station, and one side of fixed station is provided with the test bench that is used for installing the sample, installs the force applying device who is used for exerting the testing force to the sample on the fixed station, and force applying device is connected with the pull wire, and force applying device's one end is kept away from to the pull wire is connected with anchor clamps, its characterized in that, anchor clamps include the staple bolt and are used for driving the closed tight or screw group of separation of two armful hoop piece relative motion of staple bolt. The problem of the adjustment of the anti-dazzle board sample that standard anchor clamps to prior art existence can not be according to different specifications, the utility model aims at providing an anti-dazzle board wind load testing machine, it has the advantage that anchor clamps can be according to the adjustment of the anti-dazzle board sample of different specifications.

Description

Anti-dazzle board anti-wind load testing machine

Technical Field

The utility model relates to a road traffic antiglare shield sample capability test technical field, more specifically say, it relates to an antiglare shield wind resistance load test machine.

Background

The anti-dazzle plate sample is a traffic safety product which is produced and manufactured for solving the glare of opposite car lamps and is arranged on a central separation belt of a highway. The guardrail is mainly arranged on the central separation belt guardrail of the highway or in the middle of the guardrail, and some guardrails are also arranged on the movable guardrail with the central opening.

For the existing anti-wind load testing machine of the anti-dazzle plate, such as a Chinese patent with an authorization publication number of CN204043626U, the anti-deformation measuring device of the anti-dazzle plate sample is disclosed, which comprises the following main components: the device comprises a fixed pulley, a traction wire, a standard clamp, a test bed with adjustable height and position, a high-precision laser range finder, a height-adjustable tripod, a tested sample, a concrete base, an electronic tensile machine and a sliding cross beam of the electronic tensile machine.

When the anti-deformation measuring device of the anti-dazzle plate sample is used, the measured sample is installed on a test bed with the adjustable height and position, the standard clamp is clamped at the center of the measured sample, one end of the traction wire is hung at the center of the standard clamp, the other end of the traction wire is connected with the sliding beam of the electronic tension machine through the fixed pulley, upward traction force is generated through the sliding beam of the electronic tension machine, and the high-precision laser distance meter is installed on a tripod with the adjustable height to start a test. In the test process, the standard clamp is generally an anchor ear, and if the anchor ear is connected by bolts, the clamping degree of the anchor ear is adjusted by means of tools so as to adapt to samples of different specifications; if the hoop is connected in a buckle mode, the specification of the standard clamp cannot be adjusted to adapt to samples of different specifications.

SUMMERY OF THE UTILITY MODEL

There is the problem of the sample adjustment of standard anchor clamps difficult according to different specifications to prior art, the utility model aims at providing an anti-dazzle board anti-wind load testing machine, it has the sample adjustment that anchor clamps can be according to different specifications to need not with the help of the instrument, the size of more convenient adjustment anchor clamps is with the advantage of the sample of adaptation different specifications.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides an antiglare shield wind load test machine, includes the fixed station, one side of fixed station is provided with the test bench that is used for installing the sample, install the force applying device who is used for exerting the testing force to the sample on the fixed station, force applying device is connected with the pull wire, the pull wire is kept away from force applying device's one end is connected with anchor clamps, anchor clamps include the staple bolt and are used for driving the closed tight or screw group of separation of two armful hoop piece relative motion of staple bolt.

Through the technical scheme, in the practical application, the hoops are fixedly connected through the screw rod group, and the distance between the two hoop sheets is limited by the relative position of the screw rod group and the hoops by workers, so that the anti-dazzle plate sample is suitable for different specifications.

Further, the screw group comprises two reciprocating screws, a fixing block and a positioning block, the fixing block is located at one end of each reciprocating screw and is at least fixed in the axial direction of the reciprocating screw, the reciprocating screws are in threaded connection with the positioning block, and the connecting portion of the hoop is sleeved on the two reciprocating screws and is located between the fixing block and the positioning block.

Through above-mentioned technical scheme, in the in-service use, the locating piece rotates in reciprocating lead screw's axial and produces the displacement, and the locating piece is the butt staple bolt simultaneously with the fixed block, and the distance between two staple bolt pieces is restricted for the centre gripping sample that the staple bolt can be inseparable.

Furthermore, one end of each of the two reciprocating lead screws, which is far away from the fixed block, is provided with a transmission mechanism for synchronously rotating the two reciprocating lead screws.

Through above-mentioned technical scheme, in the in-service use, drive mechanism makes two reciprocal lead screws rotate in step, and two locating pieces produce the displacement in step, and butt anchor clamps simultaneously for the inseparable centre gripping sample of anchor clamps.

Furthermore, drive mechanism is including setting up two fixed case that fixed block one end was kept away from to reciprocal lead screw, the driving gear of setting in fixed incasement and the driven gear who sets up in the driving gear both sides, be fixed with the rotation hand wheel that is used for driving the driving gear in the pivot of driving gear.

Through the technical scheme, in the actual application, the staff rotates the driving gear to drive the two driven gears to rotate, so that the two positioning blocks can generate displacement on the reciprocating lead screw, and further the clamping fixture is clamped, the staff rotates the hand wheel to drive the driving gear to rotate, and the hand wheel is rotated to facilitate the operation of the staff.

Furthermore, the bottom of the fixed box is provided with a sliding groove, and one side of the sliding groove, which is far away from the fixed box, is provided with a sliding rail matched with the sliding groove.

Through above-mentioned technical scheme, in the in-service use, the spout slides with the slide rail and cooperates, and when the slide rail supported the fixed case for the fixed case does not hinder the sample in the experiment and takes place deformation.

Furthermore, two positioning waist holes are formed in the top of the test bed, and positioning bolts for fixing samples are arranged on the positioning waist holes.

Through the technical scheme, in the practical application, the positioning bolt penetrates through the sample and the waist hole to fix the sample on the test bed, so that the wind load condition in the practical application can be simulated by the sample in the test.

Furthermore, the force application device comprises an electronic tension machine and a scale fixed on one side of the electronic tension machine, the electronic tension machine comprises a sliding cross beam, and a mark post is fixed at one end of the sliding cross beam, which is close to the scale.

Through the technical scheme, in the actual application, the sliding beam is used for applying the pulling force, the staff can observe the working process of the force application device conveniently through the ruler, and the staff can observe the working interval of the electronic pulling force machine conveniently and accurately through the marker post.

Furthermore, a hook is fixed on one side of the force application device.

Through above-mentioned technical scheme, in the in-service use, the couple is used for hanging the test data book, makes things convenient for the staff to record test data.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the hoops are fixed through the screw group, gaps among the hoops can be different, and the clamp can adjust the clamping specification of the clamp according to anti-dazzle plate samples with different specifications;

(2) furthermore, through the arrangement of the transmission mechanism, workers can synchronously adjust the screw rod sets, so that time is saved, and the operation is convenient;

(3) further, through positioning bolt's setting, the staff is fixed with the sample, and the sample is fixed to be difficult for breaking away from among the experimentation, the experiment of being convenient for.

Drawings

FIG. 1 is a schematic view of the overall structure of the present embodiment;

FIG. 2 is an exploded schematic view of a test stand and an antiglare shield sample;

fig. 3 is a front view of an electronic tensile machine.

Reference numerals: 1. a fixed table; 2. a force application device; 21. an electronic tensile machine; 211. a sliding beam; 22. a pulley; 23. a scale; 24. a marker post; 25. hooking; 3. a pull wire; 4. a clamp; 41. hooping; 42. a traction ring; 43. a lead screw group; 431. a reciprocating screw; 432. a fixed block; 433. positioning blocks; 434. a transmission mechanism; 4341. a driving gear; 43411. a rotating shaft; 43412. hole turning; 43413. a flat bond; 4342. a driven gear; 4343. an intermediate gear; 4344. a fixed box; 43441. a chute; 43442. a slide rail; 4345. rotating a hand wheel; 5. a test bed; 51. positioning a waist hole; 52. and (6) positioning the bolt.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the following provides a further detailed description of the present invention with reference to the following embodiments and accompanying drawings, but the embodiments of the present invention are not limited thereto.

The utility model provides an antiglare shield wind load test machine, as shown in figure 1, includes fixed station 1 and the test bench 5 of setting in fixed station 1 one side, installs force applying device 2 that is used for exerting the testing force to the sample on fixed station 1, and force applying device 2 is connected with the pull wire 3 of connecting the sample, and the one end that force applying device 2 was kept away from to pull wire 3 is connected with anchor clamps 4, and anchor clamps 4 suit is at the middle part of sample, and the sample is installed on test bench 5.

As shown in fig. 1 and 3, the force application device 2 comprises an electronic tension machine 21, the electronic tension machine 21 comprises a sliding beam 211, and the sliding beam 211 can be displaced in the electronic tension machine 21 along the vertical direction; a pulley 22 is fixed at the bottom of the electronic tensile machine 21 below the sliding cross beam 211, and the traction wire 3 is connected to the middle part of the sliding cross beam 211 and connected with the clamp 4 by bypassing the pulley 22; a scale 23 for displaying the working process of the electronic tensile machine 21 is fixed on one side of the electronic tensile machine 21 along the vertical direction, and a mark post 24 for facilitating the staff to determine the number of the electronic tensile machine 21 is fixed at one end of the sliding beam 211; a hook 25 for hanging a data book is fixed on one side of the top of the electronic tensile machine 21.

As shown in fig. 1 and 2, the clamp 4 includes an anchor ear 41, and the outer side of the anchor ear 41 is arranged in an arc shape to increase the contact area, so that the clamp 4 can clamp the sample more tightly; a traction ring 42 convenient for connecting the traction wire 3 is fixed in the middle of the outer side of the hoop 41 close to one side of the electronic tensile machine 21; the two ends of the hoop 41 are provided with screw rod groups 43, each screw rod group 43 comprises two reciprocating screw rods 431, each reciprocating screw rod 431 penetrates through the hoop 41 and is fixedly connected with a cylindrical fixed block 432, and the two fixed blocks 432 are respectively abutted to the two ends of one side, close to the traction ring 42, of the hoop 41; the middle part of the reciprocating screw 431 is connected with a positioning block 433 through a thread, the hoop 41 is positioned between the positioning block 433 and the fixing block 432, and one ends of the two reciprocating screw 431, which are far away from the fixing block 432, are provided with transmission mechanisms 434 for synchronously rotating the two reciprocating screw 431.

As shown in fig. 1 and 2, the transmission mechanism 434 includes a driving gear 4341, one end of a rotating shaft 43411 of the driving gear 4341 is inserted into a rotating hole 43412 of the driving gear 4341, the other end of the rotating shaft 43411 passes through a fixed box 4344 and is fixed with a rotating hand wheel 4345 convenient for a worker to operate, a flat key 43413 is fixed on a side wall of the rotating shaft 43411 and is used for driving the driving gear 4341 to rotate, and the rotating hole 43412 of the driving gear 4341 is arranged in cooperation with the rotating shaft 43411; driven gears 4342 are arranged on two sides of the driving gear 4341, the two driven gears 4342 are respectively fixed at one ends of the two reciprocating screw rods 431, which are far away from the fixed block 432, intermediate gears 4343 are respectively meshed with the two driven gears 4342 and the driving gear 4341, a fixed box 4344 is arranged outside the driving gear 4341, the two intermediate gears 4343 and the two driven gears 4342, two sliding grooves 43441 are formed in the bottom of the fixed box 4344, the length direction of each sliding groove 43441 is consistent with the axial direction of the reciprocating screw rod 431, two sliding rails 43442 matched with the sliding grooves 43441 are fixed on the test bed 5 and used for supporting the fixed box 4344, and meanwhile, the fixed box 4344, the driving gear 4341, the driven gears 4342 and the intermediate gears 4343 can move along the sliding rails 43442, so that the resistance of the fixed box 4344 to the deformation of the; one side of the two reciprocating lead screws 431 penetrating the fixed box 4344 is fixedly connected with a driven gear 4342.

As shown in fig. 1 and 2, two positioning waist holes 51 are formed in the test bed 5, positioning bolts 52 are arranged on the positioning waist holes 51, and the positioning bolts 52 penetrate through the sample and the positioning waist holes 51 to fix the sample on the test bed 5, so that the sample is stably installed on the test bed 5, and the test result is prevented from being influenced by instable sample installation.

During the use, the staff installs the sample on test bench 5 earlier, and then adjusts two staple bolts 41's relative position with anchor clamps 4 through the drive mechanism 434 of lead screw group 43 according to the specification of sample, overlaps it in the middle part of model, and pull wire 3 one end is connected to sliding beam 211, and the other end is walked around pulley 22 and is connected on traction ring 42, and the back of having installed starts electron pulling machine 21 and begins the experiment.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides an antiglare shield wind resistance load testing machine, includes fixed station (1), one side of fixed station (1) is provided with test bench (5) that are used for installing the sample, install force application device (2) that are used for exerting the testing force to the sample on fixed station (1), force application device (2) are connected with pull wire (3), pull wire (3) are kept away from the one end of force application device (2) is connected with anchor clamps (4), its characterized in that, anchor clamps (4) include staple bolt (41) and are used for driving two staple bolts (41) of staple bolt (41) piece relative motion closure press from both sides tight or the lead screw group (43) of separation.

2. The antiglare shield wind load resistance tester according to claim 1, wherein the screw set (43) comprises two reciprocating screws (431), a fixed block (432) and a positioning block (433), the fixed block (432) is located at one end of the reciprocating screws (431) and fixed at least in the axial direction thereof, the reciprocating screws (431) are in threaded connection with the positioning block (433), and the connecting portion of the hoop (41) is sleeved on the two reciprocating screws (431) and located between the fixed block (432) and the positioning block (433).

3. The antiglare shield wind load resistance tester of claim 2, wherein one end of the two reciprocating lead screws (431) far away from the fixed block (432) is provided with a transmission mechanism (434) for synchronously rotating the two reciprocating lead screws (431).

4. The machine for testing the wind load resistance of the antiglare shield according to claim 3, wherein the transmission mechanism (434) comprises a fixed box (4344) arranged at one end of the two reciprocating screw rods (431) far away from the fixed block (432), a driving gear (4341) arranged in the fixed box (4344) and driven gears (4342) arranged at two sides of the driving gear (4341), and a rotating hand wheel (4345) for driving the driving gear (4341) is fixed on a rotating shaft (43411) of the driving gear (4341).

5. The anti-glare shield wind load resistance testing machine according to claim 4, wherein a sliding groove (43441) is formed at the bottom of the fixed box (4344), and a sliding rail (43442) matched with the sliding groove (43441) is arranged at one side of the sliding groove (43441) far away from the fixed box (4344).

6. The anti-glare shield wind load resistance testing machine according to claim 1, wherein two positioning waist holes (51) are formed in the top of the test bed (5), and positioning bolts (52) for fixing a sample are arranged on the positioning waist holes (51).

7. The antiglare shield wind load resistance tester of claim 1, wherein the force applying device (2) comprises an electronic pulling machine (21) and a scale (23) fixed on one side of the electronic pulling machine (21), the electronic pulling machine (21) comprises a sliding beam (211), and a mark post (24) is fixed on one end of the sliding beam (211) close to the scale (23).

8. An antiglare shield wind load resistance tester as claimed in claim 1, wherein a hook (25) is fixed to one side of the force applying means (2).