CN110744476A

CN110744476A - Clamp for NVH test and clamping method thereof

Info

Publication number: CN110744476A
Application number: CN201911145091.7A
Authority: CN
Inventors: 崔新涛; 翟乃斌; 张增超
Original assignee: Qingyou Suzhou Automotive Technology Co Ltd
Current assignee: Qingyou Suzhou Automotive Technology Co Ltd
Priority date: 2019-11-21
Filing date: 2019-11-21
Publication date: 2020-02-04

Abstract

The invention discloses a clamp for NVH (noise, vibration and harshness) tests and a clamping method thereof, wherein the clamp comprises a base, wherein base plates are fixedly connected to two sides of the top end of the base, a fixing frame is fixedly connected to the top end of each base plate, a transverse plate is fixedly connected to the top end of the fixing frame, a fixing sleeve is inserted and connected into the transverse plate, a screw is in threaded connection with the inside of the fixing sleeve, the screw is rotatably connected to one end of the screw through a bearing and is provided with a pressing block, the other end of the screw is fixedly connected with a rotating rod, a carrying plate fixedly connected with the fixing frame is arranged at. When the mechanism is tightened, an operator can fix the mechanism only by rotating the rotating rod, and meanwhile, the force during tightening can be well controlled by rotating the screw rod, so that the mechanism is prevented from being damaged.

Description

Clamp for NVH test and clamping method thereof

Technical Field

The invention relates to the field of automobiles, in particular to a clamp for NVH (noise, vibration and harshness) testing and a clamping method thereof.

Background

The popularization of car has brought very big facility for people, simultaneously along with people's improvement of standard of living, people also become higher and higher to car operation requirement, also become the problem of car businessman's key research at car NVH's control, in carrying out vehicle NVH's test, when testing parts such as the transmission shaft to the car, use anchor clamps to fix usually, when carrying out the fixed of anchor clamps, current anchor clamps fixed mode is loaded down with trivial details, be not convenient for use, when simultaneously carrying out the use, when parts such as adoption pneumatic cylinder step up, the dynamics of pneumatic cylinder is difficult to control, inconvenient use, simultaneously the pneumatic cylinder is with high costs, manufacturing cost is higher.

Disclosure of Invention

The invention aims to provide a clamp for NVH test and a clamping method thereof, so as to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the clamp for the NVH test and the clamping method thereof comprise a base and are characterized in that: the utility model discloses a bearing of fixed base, including base, the both sides fixedly connected with backing plate on base top, the fixed frame of top fixedly connected with of backing plate, the top fixedly connected with diaphragm of fixed frame, the inside interlude of diaphragm is connected with fixed cover, the inside threaded connection of fixed cover has the screw rod, the one end of screw rod is rotated through the bearing and is connected with the briquetting, the other end fixedly connected with bull stick of screw rod, the bottom of briquetting is equipped with and carries the thing board with fixed frame fixed connection, it is connected with the cardboard to alternate on carrying the thing.

Preferably, the bottom fixedly connected with three stabilizer blades of base, the stabilizer blade is the rubber material, and three the stabilizer blade is triangular distribution.

Preferably, the pressing block is in a circular truncated cone shape, and the clamping plate is U-shaped.

Preferably, the two sides of the bottom of the pressing block are fixedly connected with limiting blocks, and the top end inside the pressing block is fixedly connected with a rubber pad.

Preferably, the bottom end of the object carrying plate is fixedly connected with a supporting rod, and the bottom end of the supporting rod is fixedly connected with a base plate.

Preferably, the middle part fixedly connected with fixed plate on base top, the top of fixed plate is through telescopic link fixedly connected with place the board, the top fixedly connected with sleeve of fixed plate, telescopic inside fixedly connected with bolt, the top fixedly connected with nut of bolt.

Preferably, the nut rotates, adjust the amount that stretches out of bolt, utilize bolt jack-up to place the board, adjust the height of placing the board, the mechanism that will carry out the centre gripping is placed on carrying the thing board, after placing, rotate the bull stick, the bull stick moves forward and drives the briquetting extrusion cardboard, the cardboard is spacing, the mechanism that needs the centre gripping is fixed, test fixed good mechanism, after the test is accomplished, the contra-rotation bull stick, the briquetting is not extruding the cardboard this moment, can take off the mechanism that the test was accomplished.

The invention has the technical effects and advantages that: when carrying out the fastening of mechanism, the operator only need rotate the bull stick and can accomplish the fixed of mechanism, and the mechanism is avoided damaging to the dynamics when simultaneously tightening through the control that rotates the screw rod can be fine, and the device simple structure, the realization of being convenient for can accomplish fixedly fast through briquetting extrusion card, also need very big arrangement space, and it is convenient to use.

Drawings

Fig. 1 is a schematic front structural view of the present invention.

FIG. 2 is a schematic side view of a card of the present invention.

FIG. 3 is a partial schematic view of FIG. A according to the present invention.

In the figure: 1. a base; 2. a loading plate; 3. a support leg; 4. a base plate; 5. a fixing frame; 6. a rotating rod; 7. a screw; 8. a bearing; 9. briquetting; 10. a transverse plate; 11. clamping a plate; 12. a support bar; 13. a fixing plate; 14. a telescopic rod; 15. placing the plate; 16. a rubber pad; 17. a limiting block; 18. a nut; 19. a bolt; 20. a sleeve.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The invention provides a clamp for NVH (noise, vibration and harshness) tests and a clamping method thereof, as shown in figures 1-3, the clamp comprises a base 1, wherein base plates 4 are fixedly connected to two sides of the top end of the base 1, a fixed frame 5 is fixedly connected to the top end of each base plate 4, a transverse plate 10 is fixedly connected to the top end of each fixed frame 5, a fixed sleeve is inserted and connected inside each transverse plate 10, a screw 7 and a screw 7 are connected to the inside of each fixed sleeve in a threaded manner, one end of each screw 7 is rotatably connected with a pressing block 9 through a bearing 8, the other end of each screw 7 is fixedly connected with a rotating rod 6, an object carrying plate 2 fixedly connected with.

The bottom end of the base 1 is fixedly connected with three supporting legs 3, the supporting legs 3 are made of rubber materials, the three supporting legs 3 are distributed in a triangular shape, shock absorption can be better performed, accuracy during testing is improved, the pressing block 9 is in a round table shape, limiting of the clamping plate 11 can be better performed, the clamping plate 11 is in a U shape, limiting blocks 17 are fixedly connected to two sides of the bottom of the pressing block 9, a rubber pad 16 is fixedly connected to the top end of the inside of the pressing block 9, a supporting rod 12 is fixedly connected to the bottom end of the carrying plate 2, the bottom end of the supporting rod 12 is fixedly connected with the backing plate 4, a fixing plate 13 is fixedly connected to the middle of the top end of the base 1, a placing plate 15 is fixedly connected to the top end of the fixing plate 13 through a telescopic rod 14, a sleeve 20 is fixedly connected to the top end of the fixing plate 13, utilize 19 jack-ups of bolt to place board 15, adjust the height of placing board 15, the mechanism that will carry out the centre gripping is placed on carrying thing board 2, after placing, rotate bull stick 6, bull stick 6 moves forward and drives briquetting 9 extrusion cardboard 11, cardboard 11 is spacing, the mechanism that needs the centre gripping is fixed tests fixed good mechanism, after the test is accomplished, the contra-rotation bull stick 6, briquetting 9 is not extruding cardboard 11 this moment, can take off the mechanism that the test was accomplished.

The working principle of the invention is as follows: at first place the device and operate in the horizontally position, when using, at first place the regulation of 15 height of board according to user's needs, place the high regulation of board 15 back, the operator will need carry out the mechanism of fixing and place on carrying thing board 2, for example when carrying out the test of transmission shaft, can place the both ends of transmission shaft on carrying thing board 2, then rotate bull stick 6, utilize bull stick 6 to drive screw rod 7 and remove, briquetting 9 pushes down cardboard 11 this moment, cardboard 11 carries on spacingly to the mechanism simultaneously, when taking off the mechanism, operator reversal bull stick 6, drive briquetting 9 and retreat, remove spacingly to cardboard 11.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a anchor clamps are used in NVH test, includes base (1), its characterized in that: the utility model discloses a bearing support device for a bicycle, including base (1), both sides fixedly connected with backing plate (4) on base (1) top, the fixed frame (5) of top fixedly connected with of backing plate (4), the top fixedly connected with diaphragm (10) of fixed frame (5), the inside interlude of diaphragm (10) is connected with fixed cover, the inside threaded connection of fixed cover has screw rod (7), the one end of screw rod (7) is passed through bearing (8) and is rotated and be connected with briquetting (9), the other end fixedly connected with bull stick (6) of screw rod (7), the bottom of briquetting (9) is equipped with carries thing board (2) with fixed frame (5) fixed connection, it is connected with cardboard (11) to alternate on thing board (2.

2. The clamp for the NVH test according to claim 1, wherein: the three stabilizer blade (3) of bottom fixedly connected with of base (1), stabilizer blade (3) are the rubber material, and three stabilizer blade (3) are triangular distribution.

3. The clamp for the NVH test according to claim 1, wherein: the pressing block (9) is in a circular truncated cone shape, and the clamping plate (11) is U-shaped.

4. The clamp for the NVH test according to claim 1, wherein: both sides fixedly connected with stopper (17) of briquetting (9) bottom, the inside top fixedly connected with rubber pad (16) of briquetting (9).

5. The clamp for the NVH test according to claim 1, wherein: the bottom end of the object carrying plate (2) is fixedly connected with a supporting rod (12), and the bottom end of the supporting rod (12) is fixedly connected with the base plate (4).

6. The clamp for the NVH test according to claim 1, wherein: the middle part fixedly connected with fixed plate (13) on base (1) top, telescopic link (14) fixedly connected with is passed through on the top of fixed plate (13) and is placed board (15), the top fixedly connected with sleeve (20) of fixed plate (13), the inside fixedly connected with bolt (19) of sleeve (20), the top fixedly connected with nut (18) of bolt (19).

7. The clamp clamping method for the NVH test according to any one of claims 1 to 6, wherein the clamp clamping method comprises the following steps:

the first step is as follows: the nut (18) is rotated, the extension amount of the bolt (19) is adjusted, the bolt (19) is utilized to jack up the placing plate (15), and the height of the placing plate (15) is adjusted;

the second step is that: placing a mechanism to be clamped on the object carrying plate (2), rotating the rotating rod (6) after the mechanism to be clamped is placed, moving the rotating rod (6) forwards to drive the pressing block (9) to extrude the clamping plate (11), limiting the clamping plate (11), and fixing the mechanism to be clamped;

the third step: the fixed mechanism is tested, after the test is completed, the rotating rod (6) is rotated reversely, and the pressing block (9) does not extrude the clamping plate (11) at the moment, so that the mechanism which is tested can be taken down.