Fixture for vibration detection of vehicle-mounted host

Abstract

The vehicle-mounted host vibration detection clamp comprises a clamp support, a containing groove and a V-shaped receding notch, a plurality of electric control telescopic rods are installed on the side wall of the clamp support, extrusion discs are installed at the output ends of the electric control telescopic rods, first inner grooves are formed in the extrusion discs, and second inner grooves are formed in the V-shaped receding notch. The inner walls of the first inner grooves are slidably connected with movable extrusion plates. The side edge of a host is subjected to self-adaptive extrusion through an extrusion disc, a movable extrusion plate and a first touch pressure sensor, and the top of the host is subjected to self-adaptive extrusion through an upper pressing block, an I-shaped movable pressing block and a second touch pressure sensor, so that timely quantification and quick positioning of the host can be quickly realized according to the size of the host by the device; and in addition, the extrusion force applied to the main machine cannot be too large or too small, and the damage conditions such as crushing damage and deformation on the surface of the main machine are avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to experimental fixture technical field, concretely is a kind of clamp for vehicle host vibration detection. BACKGROUND

[0002] The vibration detection of vehicle host is the important link of automobile electronic reliability test, by simulating the vibration environment under real working condition, ensure that host keeps function stable, structure safety in long-term use, meet the demand of industry standard and user to high quality vehicle experience simultaneously.

[0003] When carrying out vehicle host vibration detection, usually special fixture is used to fix host, to guarantee that host can keep stable state in detection process, to obtain accurate and reliable detection result. However, the material characteristics of vehicle host exist significant difference with metal workpiece. Generally speaking, the material of vehicle host is relatively soft, when adopting extrusion mechanism on clamp to extrude and fix host, face a thorny technical problem. If the extrusion force of extrusion mechanism is too large, due to the softness of host material, it is easy to cause the damage such as bruise, deformation on host surface, not only affect the appearance quality of host, but also can cause damage to the optical, electrical performance inside host, to reduce the service life and use performance of host. On the contrary, if the extrusion force is small, host cannot be firmly fixed on clamp in vibration detection process, and appear unstable phenomenon such as shaking, displacement, which will seriously affect the accuracy and effectiveness of vibration detection, so that the detection result cannot truly reflect the reliability condition of vehicle host in actual use.

[0004] Therefore, the utility model provides a kind of clamp for vehicle host vibration detection. UTILITY MODEL CONTENT

[0005] In view of the deficiency of prior art, the utility model provides a kind of clamp for vehicle host vibration detection to solve the above problems.

[0006] To achieve the above object, the utility model discloses a clamp for vehicle host vibration detection, including clamp support, containing groove and V type let -alone gap, a plurality of electric control telescopic link are installed to the clamp support lateral wall, a plurality of electric control telescopic link output all install extrusion disc, wherein a plurality of electric control telescopic link evenly distribute with the outside of clamp support, a plurality of recesses that correspond with extrusion disc are seted up in the containing groove inner wall, a plurality of first inner slots are seted up in the extrusion disc, the movable extrusion board that a plurality of first inner slot inner wall all slide connections has, movable extrusion board stretches out corresponding the outside of extrusion disc, a plurality of first inner slots all install first touch pressure sensor in, movable extrusion board and corresponding first touch pressure sensor contact, the movable extrusion board outside installs the limit ring, the limit ring is connected in the slide of corresponding first inner slot inner wall, wherein two movable extrusion board all are provided with U type lifting frame, two U type lifting frames one side all install upper pressing block, two second inner slots are seted up in two upper pressing blocks, the movable work type pressing block that two second inner slot inner wall all slide connections has, second touch pressure sensor is installed to second inner slot top side inner wall, and second touch pressure sensor and corresponding work type movable pressing block top end contact.

[0007] Preferably, the first inner groove is provided with an extension groove, the extension groove is provided with a first spring, the first spring is sleeved outside the first touch pressure sensor, and the first touch pressure sensor is not in contact with the first spring, one end of the first spring is installed on one side of the movable extrusion plate.

[0008] Preferably, the second inner groove is provided with two second springs, the two second springs are located at the top end of the work type movable pressing block, and the second touch pressure sensor is located between the two second springs.

[0009] Preferably, the movable extrusion plate is provided with a first anti-skid pad on one side, and the work type movable pressing block is provided with a second anti-skid pad on the bottom end.

[0010] Preferably, the movable extrusion plate is provided with a first anti-skid pad on one side, and the work type movable pressing block is provided with a second anti-skid pad on the bottom end.

[0011] Preferably, the clamp support is provided with a prompt light on both sides, and the two prompt lights are electrically connected with the plurality of first touch pressure sensors and the plurality of second touch pressure sensors respectively. Beneficial effects

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] The utility model discloses, through the self -adaptability extrusion of host side to first touch pressure sensor by extruding disc, movable extruding plate, through the self -adaptability extrusion of host top to second touch pressure sensor by upper pressure block, G -type movable pressure block, thereby making this device to the positioning of host can be based on the size of host realizes timely ration, fast positioning in time, improves the action efficiency, and, the extrusion force that will not be applied to host is too big or too small, avoid the damage condition such as the bruise, deformation of host surface, simultaneously, host can be firmly fixed on the fixture, prevent the instability phenomenon such as shaking, displacement, be favorable to the accuracy and effectiveness of host vibration detection, make the detection result can truly reflect the reliability condition of vehicle host in actual use. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the three -dimensional structure schematic diagram of the utility model;

[0015] Figure 2 It is the three -dimensional structure schematic diagram of the utility model;

[0016] Figure 3 It is the three -dimensional enlarged sectional enlarged structure schematic diagram of U -shaped lifting frame in the utility model;

[0017] Figure 4 It is the three -dimensional sectional enlarged structure schematic diagram of extruding disc in the utility model.

[0018] In the drawing: 1, fixture support;11, containing groove;12, V -type let -out notch;13, prompt light;2, electric control telescopic rod;21, extruding disc;211, first inner groove;212, extension groove;22, movable extruding plate;221, limit ring;222, first antiskid pad;23, first touch pressure sensor;24, first spring;3, U -shaped lifting frame;31, upper pressure block;311, second inner groove;32, G -type movable pressure block;321, second antiskid pad;33, second touch pressure sensor;34, second spring;35, support vertical plate;351, side slide groove;36, motor;361, screw rod. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0020] Please refer to Figures 1-4The utility model provides a kind of clamp for vehicle host vibration detection, including clamp support 1, containing groove 11 and V-shaped let gap 12, clamp support 1 side wall is equipped with several electric control telescopic rod 2, and several electric control telescopic rod 2 output end is equipped with extrusion disc 21.

[0021] Wherein, several electric control telescopic rod 2 are evenly distributed with clamp support 1 outside, containing groove 11 inner wall is provided with several recesses corresponding with extrusion disc 21.

[0022] It should be noted that the extrusion disc 21 described in this embodiment can be retracted into the corresponding recess before and after use.

[0023] Several extrusion discs 21 are provided with first inner grooves 211, and the inner walls of the first inner grooves 211 are slidably connected with movable extrusion plates 22.

[0024] It should be noted that the movable extrusion plate 22 described in this embodiment can be completely retracted into the first inner groove 211.

[0025] Several first inner grooves 211 are provided with first touch pressure sensors 23, and the movable extrusion plates 22 are in contact with the corresponding first touch pressure sensors 23.

[0026] It should be noted that the movable extrusion plate 22 described in this embodiment completes the maximum retraction amount when the first touch pressure sensor 23 is triggered by extrusion.

[0027] Two movable extrusion plates 22 are provided with U-shaped lifting frames 3, and the U-shaped lifting frames 3 are provided with upper pressing blocks 31.

[0028] It should be noted that the movable extrusion plate 22 described in this embodiment completes the maximum retraction amount when the first touch pressure sensor 23 is triggered by extrusion.

[0029] Specifically, in order to solve the problem that the pressing force is inconvenient to control when the host is pressed and positioned, the clamp support 1 is installed on the vibration generator, the clamp support 1 accommodates the vehicle-mounted host to be detected through the accommodation groove 11, the V-shaped accommodation gap 12 enables the internal space of the accommodation groove 11 to be partially open, so that the state during the detection of the host can be observed in real time, the electric control telescopic rod 2 supports and adjusts the position of the corresponding pressing disc 21, the movable pressing plate 22 moves in the first inner groove 211, the movable pressing plate 22 extends outside the pressing disc 21, so that the movable pressing plate 22 can contact the side wall of the detected host in advance, and similarly, the work-shaped movable pressing block 32 contacts the top of the host in advance with the upper pressing block 31, when the pressing and positioning are performed, the electric control telescopic rod 2 drives the pressing disc 21 to displace towards the host, the U-shaped lifting frame 3 drives the U-shaped lifting frame 3 to descend, under the influence of the reaction force of the host, the movable pressing plate 22 and the work-shaped movable pressing block 32 are all retracted, the first touch pressure sensor 23 and the second touch pressure sensor 33 are all subjected to the pressing induction, at this time, the driving mechanisms of the electric control telescopic rod 2 and the U-shaped lifting frame 3 are all stopped from driving, the movable pressing plate 22 contacts and presses the host together with the corresponding pressing disc 21, the work-shaped movable pressing block 32 cannot continue to move upwards due to the limitation of the upper pressing block 31, so that the positioning of the device to the host can be rapidly and quantitatively realized in time according to the size of the host, the host is rapidly positioned, the operation efficiency is improved, and the pressing force applied to the host is prevented from being too large or too small, so that the damage such as bruising and deformation of the surface of the host is prevented, meanwhile, the host can be firmly fixed on the clamp, so that the unstable phenomena such as shaking and displacement are prevented, which is beneficial to the accuracy and effectiveness of the vibration detection of the host, so that the detection result can truly reflect the reliability condition of the vehicle-mounted host in actual use.

[0030] In an embodiment of the present application, as shown in Figures 1-4 The first inner groove 211 is provided with an extension groove 212, the first spring 24 is installed in the extension groove 212, the first spring 24 is sleeved on the outer side of the first touch pressure sensor 23, the first touch pressure sensor 23 is not in contact with the first spring 24, and one end of the first spring 24 is installed on one side of the movable pressing plate 22.

[0031] It should be noted that the extension groove 212 described in this embodiment accommodates the first spring 24.

[0032] Specifically, when the movable pressing plate 22 is pressed and shortened, the first spring 24 can be accommodated in the extension groove 212, so that the first spring 24 does not hinder the normal sliding of the movable pressing plate 22, and the normal operation of the first spring 24 and the first touch pressure sensor 23 is not interfered.

[0033] In an embodiment of the present application, as shown in Figures 1-4As shown, two second springs 34 are mounted on the inner wall of the second inner groove 311, and the top end of the workpiece-shaped movable pressing block 32 is located between the two second springs 34.

[0034] It should be noted that the second touch sensor 33 and the second spring 34 described in this embodiment are not in contact.

[0035] Specifically, the second spring 34 pushes down the workpiece-shaped movable pressing block 32, so that the workpiece-shaped movable pressing block 32 can be disconnected from the second touch sensor 33 after use, preventing the second touch sensor 33 from being triggered all the time, and the second spring 34 and the second touch sensor 33 do not interfere with each other's work.

[0036] In an embodiment of the present application, as shown in Figures 1-4 As shown, the movable pressing plate 22 is provided with a first anti-skid pad 222 on one side, and the workpiece-shaped movable pressing block 32 is provided with a second anti-skid pad 321 at the bottom end.

[0037] Specifically, the movable pressing plate 22 is in contact with the host through the first anti-skid pad 222, and the workpiece-shaped movable pressing block 32 is in contact with the host through the second anti-skid pad 321, which increases the limiting force on the host and reduces the problem of accidental damage to the host.

[0038] In an embodiment of the present application, as shown in Figures 1-4 As shown, the inner side of the two workpiece-shaped movable pressing blocks 32 is slidably connected with a support vertical plate 35, the two sides of the support vertical plate 35 are provided with a side sliding groove 351, and the two support vertical plates 35 are respectively installed at the top end of the corresponding pressing disc 21. The top end of the two U-shaped lifting frames 3 is provided with a motor 36, the output end of the motor 36 is provided with a screw rod 361, and the screw rod 361 is threadedly connected to the inner wall of the corresponding support vertical plate 35.

[0039] It should be noted that the inner side of the U-shaped lifting frame 3 described in this embodiment is provided with two sliding blocks corresponding to the side sliding grooves 351.

[0040] Specifically, the support vertical plate 35 is supported and controlled by the corresponding pressing disc 21, so that the upper pressing block 31 can realize position adjustment, and the host can be taken and placed conveniently. The support vertical plate 35 is connected with the sliding block of the U-shaped lifting frame 3 through the side sliding groove 351, realizes the guiding work when the U-shaped lifting frame 3 rises and falls, and the motor 36 drives the screw rod 361 to rotate, so that the screw rod 361 can complete the lifting driving work of the U-shaped lifting frame 3 under the cooperation of the support vertical plate 35.

[0041] In an embodiment of the present application, as shown in Figures 1-4As shown, the clamp support 1 is provided with a prompt light 13 on each side, and the two prompt lights 13 are respectively electrically connected with a plurality of first touch pressure sensors 23 and a plurality of second touch pressure sensors 33.

[0042] It should be noted that the first touch pressure sensor 23 and the second touch pressure sensor 33 described in this embodiment respectively transmit signals to the corresponding prompt light 13.

[0043] Specifically, when the plurality of first touch pressure sensors 23 and the plurality of second touch pressure sensors 33 are all triggered by extrusion, the fixing work of the host is completed, and at this time, the two prompt lights 13 emit prompt light, indicating that the staff can start the vibration generator to start the detection work.

[0044] Meanwhile, the contents not described in detail in the specification all belong to the prior art known to those skilled in the art.

[0045] Working principle: when in use, the host is placed in the containing groove 11, and the plurality of electric control telescopic rods 2 push the extrusion disc 21 to approach the host, the movable extrusion plate 22 first contacts the sidewall of the host, and the movable extrusion plate 22 is affected by the reaction force of the host to shrink and slide to the inside of the first inner groove 211, the movable extrusion plate 22 extrudes and triggers the first touch pressure sensor 23, and then the two motors 36 start the screw rod 361, so that the U-shaped lifting frame 3 drives the upper pressing block 31 to descend, the work-type movable pressing block 32 first contacts and extrudes the top end of the host, and the work-type movable pressing block 32 is affected by the reaction force to shrink and extrude and trigger the second touch pressure sensor 33, the first touch pressure sensor 23 and the second touch pressure sensor 33 are both extruded and sensed, at this time, the electric control telescopic rod 2 and the motor 36 are both stopped from driving, and the two prompt lights 13 emit prompt light, indicating that the staff can start the vibration generator to start the detection work, so that the positioning of the device to the host can be quickly and timely quantified according to the size of the host, and the action efficiency is improved.

[0046] It should be noted that in this paper, the relationship terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between the entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.

[0047] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A clamp for detecting vibration of a vehicle-mounted host computer, comprising a clamp support (1), a receiving groove (11), and a V-shaped clearance notch (12), characterized in that, The clamp support (1) has several electrically controlled telescopic rods (2) installed on its side wall. Each of the several electrically controlled telescopic rods (2) has a pressing disc (21) installed at its output end. Several of the electrically controlled telescopic rods (2) are evenly distributed on the outside of the clamp support (1), and several grooves corresponding to the extrusion plate (21) are opened in the inner wall of the receiving groove (11); Each of the extrusion discs (21) has a first inner groove (211) and a movable extrusion plate (22) is slidably connected to the inner wall of each of the first inner grooves (211). The movable extrusion plate (22) extends out of the corresponding extrusion disc (21). A first pressure sensor (23) is installed in each of the first inner grooves (211). The movable extrusion plate (22) contacts the corresponding first pressure sensor (23). A limit ring (221) is installed on the outside of the movable extrusion plate (22). The limit ring (221) is slidably connected to the inner wall of the corresponding first inner groove (211). Both of the movable extrusion plates (22) are provided with U-shaped lifting frames (3), and each of the two U-shaped lifting frames (3) is equipped with an upper pressure block (31) on one side. Each of the two upper pressure blocks (31) is provided with a second inner groove (311). The inner walls of the two second inner grooves (311) are slidably connected with I-shaped movable pressure blocks (32). A second touch pressure sensor (33) is installed on the top inner wall of the second inner groove (311). The second touch pressure sensor (33) is in contact with the top of the corresponding I-shaped movable pressure block (32).

2. The clamp for detecting vibration of a host machine mounted in a vehicle according to claim 1, characterized by An extension groove (212) is provided in the first inner groove (211), and a first spring (24) is installed in the extension groove (212). The first spring (24) is sleeved on the outside of the first pressure sensor (23), and the first pressure sensor (23) does not contact the first spring (24). One end of the first spring (24) is installed on one side of the movable extrusion plate (22).

3. The clamp for detecting vibration of a host machine mounted in a vehicle according to claim 1, characterized by Two second springs (34) are installed on the inner wall of the second inner groove (311). Both second springs (34) are located at the top of the I-shaped movable pressure block (32), and the second touch sensor (33) is located between the corresponding two second springs (34).

4. The clamp for detecting vibration of a host machine mounted in a vehicle according to claim 1, characterized by A first anti-slip pad (222) is installed on one side of the movable extrusion plate (22), and a second anti-slip pad (321) is installed at the bottom of the I-shaped movable pressure block (32).

5. The clamp for detecting vibration of a host machine mounted in a vehicle according to claim 1, characterized by The inner sides of the two I-shaped movable pressure blocks (32) are slidably connected with support vertical plates (35). The support vertical plates (35) are provided with side sliding grooves (351) on both sides. The two support vertical plates (35) are respectively installed on the top of the corresponding extrusion plate (21). The top of the two U-shaped lifting frames (3) are each equipped with a motor (36). The output end of the motor (36) is equipped with a screw (361). The screw (361) is threadedly connected to the inner wall of the corresponding support vertical plate (35).

6. The clamp for detecting vibration of a host machine mounted in a vehicle according to claim 1, characterized by The clamp support (1) is provided with prompt lights (13) on both sides, and the two prompt lights (13) are electrically connected with the first touch pressure sensors (23) and the second touch pressure sensors (33) respectively.

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