CN217132749U - Pressing device for anti-wind load test of anti-dazzle plate - Google Patents
Pressing device for anti-wind load test of anti-dazzle plate Download PDFInfo
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- CN217132749U CN217132749U CN202123268682.9U CN202123268682U CN217132749U CN 217132749 U CN217132749 U CN 217132749U CN 202123268682 U CN202123268682 U CN 202123268682U CN 217132749 U CN217132749 U CN 217132749U
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- 238000003825 pressing Methods 0.000 title claims abstract description 62
- 238000012360 testing method Methods 0.000 title claims abstract description 58
- 230000007246 mechanism Effects 0.000 claims abstract description 106
- 238000006073 displacement reaction Methods 0.000 claims description 20
- 230000002265 prevention Effects 0.000 claims description 13
- 238000004891 communication Methods 0.000 claims description 4
- 230000003028 elevating effect Effects 0.000 claims description 3
- 230000004313 glare Effects 0.000 claims 1
- 230000002349 favourable effect Effects 0.000 description 6
- 239000000758 substrate Substances 0.000 description 4
- 230000001174 ascending effect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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- 230000007613 environmental effect Effects 0.000 description 1
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Abstract
The utility model relates to a road traffic facilities is experimental technical field, provides a antiglare shield is closing device for anti-wind load test, include: the device comprises a supporting plate, a sliding mechanism and a pressing mechanism; one side of the supporting plate is used for being attached to the base of the anti-dazzle plate, the sliding mechanism is arranged on one side of the supporting plate facing the anti-dazzle plate and can slide along a first direction and a second direction, and the first direction and the second direction are perpendicular to each other; the pressing mechanism is connected with the sliding mechanism and used for pressing the base on the supporting plate. The utility model discloses a closing device for antiglare shield anti-wind load test, antiglare shield place in the backup pad, the slide mechanism slides along first direction and second direction, moves closing mechanism to the base top of antiglare shield, and closing mechanism exerts pressure to the base, can realize fast that antiglare shield and backup pad compress tightly; after the test is finished, the pressing mechanism can be quickly separated from the base, the anti-dazzle plate is convenient and quick to install and uninstall, and the test efficiency is improved.
Description
Technical Field
The utility model relates to a road traffic facility test technical field especially relates to an antiglare shield is closing device for anti-wind load test.
Background
The anti-dazzle plate for the expressway is a traffic safety facility which is arranged in a central separation band and aims at solving the problem of dazzle of opposite car lamps, and is influenced by severe weather such as wind, rain and the like all the year round, so that whether the anti-dazzle plate meets the requirements of wind load resistance and environmental service performance or not needs to be detected before the anti-dazzle plate is arranged and constructed.
The most important performance parameter in the detection parameters of the anti-dazzle plate is wind load resistance, the existing anti-dazzle plate wind load resistance test device usually fixes a support on the ground, then a base of an anti-dazzle plate sample is installed on the support through bolts and a pressing plate for testing, the bolts are required to be manually and completely screwed or loosened for installing and unloading the anti-dazzle plate sample, the labor intensity is high, and the test efficiency is low.
SUMMERY OF THE UTILITY MODEL
The utility model provides a closing device is used in antiglare shield wind load resistance test for there is the antiglare shield sample installation and dismantles inconvenient, problem that test efficiency is low in the device is used in solving current antiglare shield wind load resistance test.
The utility model provides an anti-dazzle board anti-wind is closing device for load test, include: the device comprises a supporting plate, a sliding mechanism and a pressing mechanism;
one side of the supporting plate is used for being attached to a base of the anti-dazzle plate, the sliding mechanism is arranged on one side of the supporting plate facing the anti-dazzle plate and can slide along a first direction and a second direction, and the first direction and the second direction are perpendicular to each other;
the pressing mechanism is connected with the sliding mechanism and used for pressing the base on the supporting plate.
According to the pressing device for the anti-wind load test of the anti-dazzle plate, the sliding mechanism comprises a fixed plate, a first sliding piece and a second sliding piece;
the fixed plate is connected with the supporting plate, the fixed plate is provided with a first bulge extending along the length direction of the fixed plate, one side of the first sliding piece facing the fixed plate is provided with a first sliding groove extending along the width direction of the first sliding piece, one side of the first sliding piece facing the second sliding piece is provided with a second bulge extending along the length direction of the first sliding piece, one side of the second sliding piece is provided with a second sliding groove, and the other side of the second sliding piece is connected with the pressing mechanism;
the first protrusion is matched with the first sliding groove, the second protrusion is matched with the second sliding groove, the first sliding piece slides along the length direction of the first protrusion, and the second sliding piece slides along the length direction of the second protrusion;
the length direction of the first protrusion is perpendicular to the length direction of the second protrusion, and the first sliding groove and the second sliding groove are dovetail grooves.
According to the utility model provides a pair of antiglare shield closing device for anti-wind load test, at least two the second slider with first slider sliding connection.
According to the pressing device for the anti-glare shield wind load resistance test, provided by the utility model, the sliding mechanism further comprises a limiting block;
the end of the fixed plate and the end of the first sliding part are both provided with the limiting blocks.
According to the utility model provides a pair of antiglare shield is closing device for anti-wind load test, two slide mechanism about the central plane symmetry of backup pad is laid, hold-down mechanism with second slider one-to-one is connected.
According to the pressing device for the anti-glare shield wind load resistance test, which is provided by the utility model, the pressing device for the anti-glare shield wind load resistance test also comprises a lifting mechanism;
one end of the lifting mechanism is connected with the supporting plate, and the lifting mechanism is used for driving the supporting plate to move along the height direction.
According to the pressing device for the anti-wind load test of the anti-dazzle plate, the lifting mechanism comprises a supporting seat, a guide shaft, a linear bearing, a screw rod and a motor;
the linear bearing is arranged at one end of the supporting seat facing the supporting plate, and the motor is arranged at one end of the supporting seat departing from the supporting plate;
the guide shaft penetrates through the linear bearing, one end of the guide shaft is connected with the supporting plate, and the other end of the guide shaft is connected with an output shaft of the motor through the screw rod.
According to the pressing device for the anti-wind load test of the anti-dazzle plate, the lifting mechanism further comprises a first limit sensor, a second limit sensor and a controller;
the first limit sensor is arranged at one end, facing the motor, of the guide shaft; the second limit sensor is arranged at one end of the motor facing the guide shaft;
the first limit sensor, the second limit sensor and the motor are in communication connection with the controller, and the controller receives signals of the first limit sensor and the second limit sensor and controls the motor to be turned off.
According to the utility model provides a pair of antiglare shield is closing device for anti-wind load test, antiglare shield is closing device for anti-wind load test still includes displacement sensor, displacement sensor is used for detecting the displacement of backup pad.
According to the utility model provides a pair of antiglare shield is closing device for anti-wind load test, hold-down mechanism includes quick compactor.
The utility model provides a closing device for antiglare shield anti-wind load test, antiglare shield place in the backup pad, the slide mechanism slides along first direction and second direction, moves closing mechanism to antiglare shield's base top, and closing mechanism exerts pressure to the base, can realize rapidly that antiglare shield and backup pad compress tightly; after the test is finished, the pressing mechanism can be quickly separated from the base, the anti-dazzle plate is convenient and quick to mount and dismount, and the test efficiency is improved.
Drawings
In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of a pressing device for a wind load resistance test of an antiglare shield;
fig. 2 is a schematic structural diagram of a sliding mechanism provided by the present invention;
reference numerals are as follows:
1: a support plate; 2: a sliding mechanism;
201: a fixing plate; 202: a first slider;
203: a second slider; 3: a hold-down mechanism;
4: a supporting seat; 5: a linear bearing;
6: a guide shaft; 7: a screw rod;
8: a motor; 9: a first limit sensor;
10: a second limit sensor; 11: a PLC control box;
12: a pull-string type displacement sensor; 13: an antiglare shield.
Detailed Description
To make the objects, technical solutions and advantages of the present invention clearer, the drawings of the present invention are combined to clearly and completely describe the technical solutions of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The pressing device for the wind load resistance test of the antiglare shield according to the embodiment of the present invention is described below with reference to fig. 1 to 2.
As shown in FIG. 1, the embodiment of the utility model provides a pressure device for antiglare shield wind load resistance test includes: the device comprises a supporting plate 1, a sliding mechanism 2 and a pressing mechanism 3; one side of the supporting plate 1 is used for being attached to a base of the anti-dazzle plate 13, the sliding mechanism 2 is arranged on one side, facing the anti-dazzle plate 13, of the supporting plate 1, and the sliding mechanism 2 can slide along a first direction and a second direction which are perpendicular to each other; the pressing mechanism 3 is connected with the sliding mechanism 2, and the pressing mechanism 3 is used for pressing the base on the supporting plate 1.
Specifically, the supporting plate 1 can be a square body, and the supporting plate 1 can be fixed on a working table top or on the ground. The antiglare shield 13 is generally composed of a base and a substrate disposed perpendicular to the base, the antiglare shield 13 is placed on the support plate 1, the base of the antiglare shield 13 is attached to the support plate 1, and the substrate of the antiglare shield 13 is perpendicular to the support plate 1.
The pressing mechanism 3 is connected with the sliding mechanism 2, the sliding mechanism 2 moves along a first direction, the first direction is parallel to the width direction of the base, the pressing mechanism 3 moves to the upper portion of the base along with the sliding mechanism 2, further, the sliding mechanism 2 moves along a second direction, the second direction is parallel to the length direction of the base, and the pressing mechanism 3 moves to a proper area above the base along with the sliding mechanism 2. For example, the number of the pressing mechanisms 3 is two, the two pressing mechanisms 3 are moved to both ends of the base in the length direction, and the pressing mechanisms 3 apply a vertically downward force to the base to press the base and the support plate 1.
Hold-down mechanism 3 can be quick hold-down device, press the handle of quick hold-down device downwards, and the depression bar of quick hold-down device compresses tightly base and backup pad 1, at the middle part position installation standard anchor clamps of antiglare shield 13, and the one end and the standard anchor clamps of pull wire are connected, and the other end and the pulling force machine of pull wire are connected, ensure that the pull wire is in the horizontality, and the pull wire can be the steel wire pull wire, and the pulling force machine passes through the pull wire and applys horizontal pulling force to antiglare shield 13. For example, a tensile machine applies a horizontal tensile force to the dazzle prevention plate 13 at a speed of 100mm/min, and stops until the sample of the dazzle prevention plate 13 is broken or reaches a maximum load, and the tensile value at this time is the wind load resistance value of the sample of the dazzle prevention plate 13.
After the test is finished, the handle of the rapid pressing device is lifted upwards, the pressing rod of the rapid pressing device is separated from the base, the pressing mechanism 3 can be rapidly separated from the base, the tested anti-dazzle plate 13 is taken out, and the anti-dazzle plate 13 to be tested is placed on the supporting plate 1 for the next test. The wind load resistance test of the antiglare shield is usually carried out in a plurality of tests, for example, three tests, and the average of the three tests is taken as the final detection result.
In the embodiment of the present invention, the antiglare shield 13 is placed on the supporting plate 1, the sliding mechanism 2 slides along the first direction and the second direction, the pressing mechanism 3 is moved above the base of the antiglare shield 13, the pressing mechanism 3 applies pressure to the base, and the antiglare shield 13 and the supporting plate 1 can be quickly pressed; after the test is finished, the pressing mechanism 3 can be quickly separated from the base, and the anti-dazzle plate 13 is convenient and quick to mount and dismount, so that the test efficiency is improved.
As shown in fig. 1 and 2, in an alternative embodiment, the sliding mechanism 2 comprises a fixed plate 201, a first slide 202 and a second slide 203; the fixing plate 201 is connected with the supporting plate 1, the fixing plate 201 is provided with a first protrusion extending along the length direction of the fixing plate, one side of the first sliding part 202 facing the fixing plate 201 is provided with a first sliding groove extending along the width direction of the fixing plate, one side of the first sliding part 202 facing the second sliding part 203 is provided with a second protrusion extending along the length direction of the first sliding part, one side of the second sliding part 203 is provided with a second sliding groove, and the other side of the second sliding part 203 is connected with the pressing mechanism 3.
The first protrusion is matched with the first sliding groove, the second protrusion is matched with the second sliding groove, the first sliding piece 202 slides along the length direction of the first protrusion, and the second sliding piece 203 slides along the length direction of the second protrusion; the length direction of the first protrusion is perpendicular to the length direction of the second protrusion, and the first sliding groove and the second sliding groove are dovetail grooves.
Specifically, the fixing plate 201 can be fixed on the supporting plate 1 through a screw joint or a welding mode, a first protrusion extending along the length direction of the fixing plate 201 is arranged on the fixing plate 201, the length direction of the fixing plate 201 is consistent with the length direction of the supporting plate 1, the fixing plate 201 is located in the middle of the supporting plate 1, a first sliding groove extending along the width direction of the first sliding part 202 is arranged on one side, facing the fixing plate 201, of the first sliding part 202, the first sliding groove is matched with the first protrusion, the first sliding groove can be in a dovetail groove shape, the first sliding groove and the first protrusion are placed in a centering mode, the first sliding part 202 slides in from one end of the first protrusion, namely, the assembly of the first sliding part 202 and the fixing plate 201 is completed, the structure is simple, and the assembly is fast.
One side of the first sliding part 202 departing from the fixing plate 201 is provided with a second protrusion extending along the length direction of the fixing plate, one side of the second sliding part 203 is provided with a second sliding groove, the second protrusion is matched with the second sliding groove, the second sliding groove can also be in a dovetail groove shape, the second sliding groove and the second protrusion are placed in a centering mode, the second sliding part 203 slides in from one end of the second protrusion, and therefore the assembly of the second sliding part 203 and the first sliding part 202 is completed.
After the antiglare shield 13 is placed on the supporting plate 1, the first sliding part 202 moves the two pressing mechanisms 3 to the upper side of the base along the length direction of the first protrusion, then the two second sliding parts 203 move the two pressing mechanisms 3 to the two ends of the base along the length direction of the second protrusion, the specific position can be selected according to the length of the base without specific limitation, and then the two pressing mechanisms 3 apply a vertical downward force to the base to press the base and the supporting plate 1.
The embodiment of the utility model provides an in, fixed plate 201 is connected with backup pad 1, and first slider 202 can be followed first bellied length direction on fixed plate 201 and slided, and second slider 203 can be followed the bellied length direction of second on first slider 202 and slided, removes the top to the both ends of base with two hold-down mechanism 3 from this, realizes compressing tightly of base and backup pad 1, simple structure, and the assembly is swift, is favorable to the stability that antiglare shield 13 and backup pad 1 are connected simultaneously.
In an alternative embodiment, as shown in fig. 1 and 2, at least two second slides 203 are slidably connected to the first slide 202.
Specifically, the number of the second slider 203 slidably connected to the first slider 202 is at least two. The number of the pressing mechanisms 3 is the same as that of the second sliding members 203, for example, the number of the second sliding members 203 is two, and the two pressing mechanisms 3 are moved to both ends of the base by the first sliding member 202 and the second sliding member 203 to press the base against the supporting plate 1. For example, the number of the second slider 203 is three, and in the case where the antiglare plate 13 is long in length, the base is pressed against the support plate 1 by the three pressing mechanisms 3, and the three pressing mechanisms 3 are arranged at intervals along the longitudinal direction of the antiglare plate 13.
In the embodiment of the present invention, at least two second sliding members 203 are slidably connected to the first sliding member 202, and at least two pressing mechanisms 3 press the base and the supporting plate 1, which is favorable for ensuring the connection stability between the antiglare shield 13 and the supporting plate 1.
In an alternative embodiment, the sliding mechanism 2 further includes a stopper; the end of the fixing plate 201 and the end of the first slider 202 are provided with stoppers.
An end of the fixing plate 201 facing the center of the supporting plate 1 is defined as a first end of the fixing plate 201, and an end of the fixing plate 201 facing the end of the supporting plate 1 is defined as a second end of the fixing plate 201. A first end of the fixing plate 201 is provided with a limiting block which can limit the moving distance of the first sliding piece 202 towards the center of the supporting plate 1 and prevent the first sliding piece 202, the second sliding piece 203 connected with the first sliding piece 202 and the pressing mechanism 3 from colliding with the anti-dazzle plate 13; the second end of the fixing plate 201 is provided with a limiting block, and after the first sliding member 202 is assembled with the fixing plate 201, the first sliding member 202 can be prevented from falling off from the fixing plate 201.
The two ends of the first sliding member 202 are both provided with a limiting block, and after the second sliding member 203 is assembled with the first sliding member 202, the limiting blocks can prevent the second sliding member 203 from falling off from the two ends of the first sliding member 202.
The structure of the limiting block is not particularly limited, and after the limiting block is assembled with the fixing plate 201, the upper surface of the limiting block is at least higher than the first protrusion to prevent the first sliding member 202 from falling off; after the limiting block is assembled with the first sliding part 202, the upper surface of the limiting block is at least higher than the second protrusion to prevent the second sliding part 203 from falling off, and the lower surface of the limiting block is not lower than the bottom surface of the first sliding part 202 to prevent the limiting block from colliding with the support plate 1 in the sliding process. The limiting block is detachably connected with the fixing plate 201, and the limiting block is also detachably connected with the first sliding part 202.
In the embodiment of the present invention, a limiting block is installed at one end of the fixing plate 201 to prevent the first sliding member 202 from colliding with the antiglare plate 13, and a limiting block is installed at the other end of the fixing plate 201 to prevent the first sliding member 202 from falling off from the fixing plate 201; the two ends of the first sliding part 202 are both provided with limiting blocks, so that the second sliding part 203 can be prevented from falling off from the two ends of the first sliding part 202, and the use safety of the sliding mechanism 2 can be ensured.
As shown in fig. 1 and 2, in an alternative embodiment, two sliding mechanisms 2 are symmetrically arranged about the central plane of the supporting plate 1, and the pressing mechanisms 3 are connected to the second sliding members 203 in a one-to-one correspondence.
Specifically, two sliding mechanisms 2 are symmetrically installed along the length direction of the support plate 1, the antiglare shield 13 is placed on the support plate 1, the antiglare shield 13 is in a T-shaped structure, that is, the substrate of the antiglare shield 13 is located in the middle area of the base of the antiglare shield 13, and the bases on both sides of the substrate are respectively defined as a first side of the base and a second side of the base.
The sliding mechanisms 2 on the two sides of the base plate respectively drive the pressing mechanisms 3 on the two sides of the base plate to move to the upper portion of the base, the pressing mechanisms 3 on the first side of the base plate and the pressing mechanisms 3 on the second side of the base plate simultaneously press the base, the connection stability of the base and the supporting plate 1 is ensured, and the test accuracy is further ensured.
Under the condition that hold-down mechanism 3 is all equipped with in the both sides of base plate, can compress tightly first side of base and the second side of base with supporting seat 4 simultaneously through two hold-down mechanism 3 of the oblique diagonal angle of base plate both sides, also can the hold-down mechanism 3 simultaneous working of base both sides, compress tightly first side of base and the second side of base with supporting seat 4 simultaneously, specifically use according to actual conditions.
The embodiment of the utility model provides an in, two 2 symmetric distributions of slide mechanism are in the both ends of backup pad 1, exert pressure simultaneously through hold-down mechanism 3 to the both sides of base, compress tightly base and backup pad 1, are favorable to the connection steadiness of base and backup pad 1.
In an alternative embodiment, as shown in fig. 1, the pressing device for the anti-glare shield wind load resistance test further comprises a lifting mechanism; one end of the lifting mechanism is connected with the supporting plate 1, and the lifting mechanism is used for driving the supporting plate 1 to move along the height direction.
The height of the antiglare shield 13 has various specifications according to the practical application requirements. One end of the lifting mechanism is connected with the ground, and the other end of the lifting mechanism is connected with the supporting plate 1. The lifting mechanism adjusts the height of the central plane of the anti-dazzle plate 13 from the ground according to the height of the anti-dazzle plate 13, so that one end of a traction wire is connected with the position of the central plane of the anti-dazzle plate 13, the traction wire is in a horizontal state after the other end of the traction wire is connected with a tensile machine, and the central plane of the anti-dazzle plate 13 is a plane parallel to the base.
The embodiment of the utility model provides an in, when experimenting antiglare shield 13 of co-altitude, remove along direction of height through elevating system drive backup pad 1 for the central plane of antiglare shield 13 is in on the coplanar with the pull wire of pulling force machine, so that the pulling force machine applys horizontal tension, simple operation to antiglare shield 13.
As shown in fig. 1, in an alternative embodiment, the lifting mechanism includes a support base 4, a guide shaft 6, a linear bearing 5, a screw rod 7 and a motor 8; the linear bearing 5 is arranged at one end of the supporting seat 4 facing the supporting plate 1, and the motor 8 is arranged at one end of the supporting seat 4 deviating from the supporting plate 1; the guide shaft 6 penetrates through the linear bearing 5, one end of the guide shaft 6 is connected with the supporting plate 1, and the other end of the guide shaft 6 is connected with an output shaft of the motor 8 through a screw rod 7.
Specifically, the supporting seat 4 may be a box structure, and the supporting seat 4 includes a top plate, a bottom plate, and side plates, the top plate and the bottom plate being arranged at a parallel interval, and the top plate and the bottom plate being connected through the side plates. The bottom plate can be equipped with the through-hole through rag bolt and ground fixed connection on the roof, and linear bearing 5 wears to establish the through-hole, and linear bearing 5 can be the linear bearing who takes the ring flange, and linear bearing 5 passes through ring flange and roof fixed connection.
One end of the screw rod 7 is provided with a blind hole with a key groove; the guide shaft 6 penetrates through the linear bearing 5, one end of the guide shaft 6 is connected with the support plate 1, a threaded hole is formed in the other end of the guide shaft 6, and the other end of the guide shaft 6 is in threaded connection with the screw rod 7; one end of the screw rod 7 provided with the blind hole with the key slot is in key connection with an output shaft of the motor 8.
The output shafts of the guide shaft 6, the linear bearing 5, the screw rod 7 and the motor 8 are coaxially arranged, after the motor 8 is started, the motor 8 drives the screw rod 7 to rotate, the screw rod 7 rotates to enable the guide shaft 6 to linearly move along the height direction, and then the support plate 1 is driven to move along the height direction, so that the support plate 1 is lifted or lowered, and the central plane of the anti-dazzle plate 13 and the ground are enabled to meet the test requirement.
Further, the motor 8 is a speed-adjustable bidirectional motor, the motor 8 can rotate in the forward direction and the reverse direction to realize the ascending or descending of the support plate 1, and the ascending or descending speed of the support plate 1 can be controlled by controlling the rotating speed of the motor 8.
The embodiment of the utility model provides an in, it is rotatory that 8 rotatory drive lead screws 7 of motor, 7 rotatory leading axles 6 that make the assembly in linear bearing 5 along direction of height linear motion of lead screws, and then drive backup pad 1 and rise or descend along direction of height, simple structure, easy operation is favorable to improving test efficiency.
As shown in fig. 1, in an alternative embodiment, the lifting mechanism further comprises a first limit sensor 9, a second limit sensor 10 and a controller; the first limit sensor 9 is arranged at one end of the guide shaft 6 facing the motor 8; the second limit sensor 10 is arranged at one end of the motor 8 facing the guide shaft 6; first limit sensor 9, second limit sensor 10 and motor 8 all with controller communication connection, the signal of first limit sensor 9 and second limit sensor 10 is received to the controller, and control motor 8 closes.
Specifically, first limit sensor 9, second limit sensor 10 and motor 8 all with controller communication connection, first limit sensor 9 and second limit sensor 10 can be proximity switch, define two proximity switch as first proximity switch and second proximity switch respectively, first proximity switch installs the one end towards motor 8 on guiding axle 6, the induction surface is up, when guiding axle 6 upward movement was to the one end of being close linear bearing 5, first proximity switch outage, controller control motor 8 stop work, prevent that guiding axle 6 from breaking away from lead screw 7. The second proximity switch is installed at the end part of one end of the motor 8 facing the guide shaft 6, and when the guide shaft 6 moves downwards to be close to the end surface of the motor 8, the second proximity switch is powered off, the controller controls the motor 8 to stop working, and the guide shaft 6 and the motor 8 are prevented from colliding to damage the device.
The wires of the two proximity switches and the power line of the motor 8 are both arranged in the PLC control box 11.
The embodiment of the utility model provides an in, first spacing sensor 9 is installed in the one end of guiding axle 6 towards motor 8, and the spacing sensor 10 of second is installed in the one end of motor 8 towards guiding axle 6, can restrict the distance that guiding axle 6 upwards perhaps moved downwards, ensures elevating system's safety in utilization.
In an alternative embodiment, as shown in fig. 1, the pressing device for the wind load resistance test of the dazzle prevention plate further comprises a displacement sensor for detecting the displacement of the support plate 1.
Specifically, the displacement sensor may be a pull-wire type displacement sensor 12, the pull-wire type displacement sensor 12 may be fixed on the top plate of the support seat 4, the pull-wire type displacement sensor 12 has a pull wire, a free end of the pull wire is connected with the bottom surface of the support plate 1, and an axis of the pull wire is parallel to an axis of the guide shaft 6.
Stay-supported displacement sensor 12 passes through the cable and is connected with the data acquisition instrument, the data acquisition instrument is used for gathering displacement data, in the in-process that backup pad 1 moved upwards, detect the displacement that backup pad 1 removed through stay-supported displacement sensor 12, acquire displacement data through the data acquisition instrument, judge by displacement data that the high back that reaches the experimental requirement on the central plane of antiglare shield 13 and ground, close motor 8, do not need to move just to close motor 8 for a period of time, measure, judge that backup pad 1 moves in place, be favorable to improving efficiency of software testing.
The embodiment of the utility model provides an in, through the displacement that displacement sensor detected backup pad 1 and removed, can judge fast whether backup pad 1 removes and targets in place, whether the central plane of antiglare shield 13 and the height on ground reach experimental requirement, are favorable to improving test efficiency.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (10)
1. The utility model provides a closing device for antiglare shield anti-wind load test which characterized in that includes: the device comprises a supporting plate, a sliding mechanism and a pressing mechanism;
one side of the supporting plate is used for being attached to a base of the anti-dazzle plate, the sliding mechanism is arranged on one side of the supporting plate facing the anti-dazzle plate and can slide along a first direction and a second direction, and the first direction and the second direction are perpendicular to each other;
the pressing mechanism is connected with the sliding mechanism and used for pressing the base on the supporting plate.
2. The hold-down device for a wind load resistance test of a dazzle prevention plate according to claim 1, wherein the slide mechanism includes a fixed plate, a first slide member, and a second slide member;
the fixed plate is connected with the supporting plate, the fixed plate is provided with a first bulge extending along the length direction of the fixed plate, one side of the first sliding piece facing the fixed plate is provided with a first sliding groove extending along the width direction of the first sliding piece, one side of the first sliding piece facing the second sliding piece is provided with a second bulge extending along the length direction of the second sliding piece, one side of the second sliding piece is provided with a second sliding groove, and the other side of the second sliding piece is connected with the pressing mechanism;
the first protrusion is matched with the first sliding groove, the second protrusion is matched with the second sliding groove, the first sliding piece slides along the length direction of the first protrusion, and the second sliding piece slides along the length direction of the second protrusion;
the length direction of the first protrusion is perpendicular to the length direction of the second protrusion, and the first sliding groove and the second sliding groove are dovetail grooves.
3. The hold-down device for a glare shield against wind load test according to claim 2, wherein at least two of said second sliding members are slidably connected to said first sliding member.
4. The pressing device for a wind load resistance test of a dazzle prevention plate according to claim 2, wherein the sliding mechanism further includes a stopper;
the end of the fixed plate and the end of the first sliding part are both provided with the limiting blocks.
5. The pressing device for wind load resistance test of a dazzle prevention plate according to claim 2, wherein two sliding mechanisms are symmetrically arranged about a central plane of the support plate, and the pressing mechanisms are connected to the second sliding members in a one-to-one correspondence.
6. The hold-down device for a wind load resistance test of a dazzle prevention plate according to claim 1, wherein the hold-down device for a dazzle prevention plate wind load resistance test further comprises a lifting mechanism;
one end of the lifting mechanism is connected with the supporting plate, and the lifting mechanism is used for driving the supporting plate to move along the height direction.
7. The pressing device for the wind load resistance test of the antiglare shield according to claim 6, wherein the lifting mechanism comprises a support base, a guide shaft, a linear bearing, a screw rod and a motor;
the linear bearing is arranged at one end of the supporting seat facing the supporting plate, and the motor is arranged at one end of the supporting seat departing from the supporting plate;
the guide shaft penetrates through the linear bearing, one end of the guide shaft is connected with the supporting plate, and the other end of the guide shaft is connected with an output shaft of the motor through the screw rod.
8. The pressing device for a wind load resistance test of a dazzle prevention plate according to claim 7, wherein the elevating mechanism further includes a first limit sensor, a second limit sensor, and a controller;
the first limit sensor is arranged at one end, facing the motor, of the guide shaft; the second limit sensor is arranged at one end of the motor facing the guide shaft;
the first limit sensor, the second limit sensor and the motor are in communication connection with the controller, and the controller receives signals of the first limit sensor and the second limit sensor and controls the motor to be turned off.
9. The hold-down device for a dazzle prevention plate wind load resistance test of claim 6, wherein the hold-down device for a dazzle prevention plate wind load resistance test further comprises a displacement sensor for detecting a displacement of the support plate.
10. The hold-down device for a dazzle prevention plate wind load resistance test according to any one of claims 1 to 9, wherein the hold-down mechanism includes a quick hold-down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123268682.9U CN217132749U (en) | 2021-12-23 | 2021-12-23 | Pressing device for anti-wind load test of anti-dazzle plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123268682.9U CN217132749U (en) | 2021-12-23 | 2021-12-23 | Pressing device for anti-wind load test of anti-dazzle plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217132749U true CN217132749U (en) | 2022-08-05 |
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ID=82618364
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123268682.9U Active CN217132749U (en) | 2021-12-23 | 2021-12-23 | Pressing device for anti-wind load test of anti-dazzle plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217132749U (en) |
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2021
- 2021-12-23 CN CN202123268682.9U patent/CN217132749U/en active Active
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