CN214010893U

CN214010893U - Static pressure test fixture for anti-collision beam

Info

Publication number: CN214010893U
Application number: CN202023152460.6U
Authority: CN
Inventors: 刘新良; 孟宪瑞; 贾伟超; 郝思源; 王锐
Original assignee: Ling Yun Industrial Corp Ltd; Ling Yun Industrial Co Ltd Automotive Parts R&D Branch
Current assignee: Ling Yun Industrial Corp Ltd; Ling Yun Industrial Co Ltd Automotive Parts R&D Branch
Priority date: 2020-12-24
Filing date: 2020-12-24
Publication date: 2021-08-20
Anticipated expiration: 2030-12-24

Abstract

The utility model relates to an anticollision roof beam hydrostatic test anchor clamps, including the test bench base, the test bench support column is installed to test bench base top, the test bench is installed to test bench support column top, install the hydraulic stem below the test bench, the hydraulic stem below is connected with the connecting plate, installs the test pressure head below the connecting plate; a lower support clamp is fixed above the test bed base, and a connecting clamp is arranged above the lower support clamp; the test pressure head is connected with the connecting plate through a bolt; the connecting clamp and the lower supporting clamp are connected through bolts. The utility model discloses anticollision roof beam static pressure test fixture can realize that the 25% of crossbeam overlaps the support intensity test of little offset collision crossbeam to simple structure, left and right parts are general; the shape of the connecting part of the cross beam is consistent with the connecting form of the actual cross beam, a customer does not need to provide a real connecting part, the stress state is consistent with the actual vehicle test, and the comparison consistency with the result of the vehicle test is good.

Description

Static pressure test fixture for anti-collision beam

Technical Field

The utility model relates to an anticollision roof beam hydrostatic test anchor clamps.

Background

With the gradual increase of the automobile holding capacity, the number of accidents of the automobile is gradually increased, and the safety of the automobile becomes a more and more concern of people in the collision process. The anti-collision beam cross beam serves as a safety part of an automobile, can effectively absorb and resist deformation of a vehicle structure in a collision process, enables the crumple energy absorption part to absorb energy, and reduces injury of personnel. A good collapse order is very important to the anticollision roof beam system, for guaranteeing that the energy-absorbing box will carry out the conquassation in advance of the crossbeam, needs the support intensity of crossbeam enough big, and the front portion collision system of some motorcycle types adopts the design of no detachable energy-absorbing box at present, and the crossbeam is direct to be connected with the longeron, need carry out the static pressure test in order to test the support intensity of anticollision roof beam crossbeam.

In order to solve the problem, the utility model discloses it is proposed to this end.

Disclosure of Invention

An object of the utility model is to provide an anticollision roof beam hydrostatic test anchor clamps.

The purpose of the utility model can be realized through the following technical scheme:

a static pressure test fixture for an anti-collision beam comprises a test bed base, wherein a test bed support column is arranged above the test bed base, a test bed is arranged above the test bed support column, a hydraulic rod is arranged below the test bed, a connecting plate is connected below the hydraulic rod, and a test pressure head is arranged below the connecting plate; and a lower supporting clamp is fixed above the test bed base, and a connecting clamp is installed above the lower supporting clamp.

Further, the test pressure head is connected with the connecting plate through a bolt.

Preferably, the connecting clamp comprises an upper connecting block and a connecting clamp connecting plate; the connection mode between the upper connecting block and the connecting clamp connecting plate is welding.

Preferably, the lower support fixture comprises a lower support fixture upper connecting plate, a lower support fixture supporting tube and a lower support fixture lower connecting plate; the upper connecting plate of the lower supporting fixture and the supporting tube of the lower supporting fixture are connected in a welding mode; the connection mode between the lower support clamp supporting tube and the lower support clamp lower connecting plate is welding.

Preferably, the lower connecting plate of the lower support clamp is connected with the base of the test bed through a bolt.

Preferably, the connection mode between the connection clamp and the lower support clamp is bolt connection.

Preferably, the section of the lower supporting clamp supporting tube is a square tube.

Preferably, the lower support clamp supporting tube and the lower support clamp lower connecting plate are overlapped along the axis direction.

Has the advantages that:

1. the utility model discloses anticollision roof beam static pressure test anchor clamps can realize that the 25% of crossbeam overlaps the support intensity test of little biasing collision crossbeam to simple structure, control a general.

2. The shape of the connecting part of the cross beam is consistent with the connecting form of the actual cross beam, a customer does not need to provide a real connecting part, the stress state is consistent with the actual vehicle test, and the comparison consistency with the result of the vehicle test is good.

Drawings

The present invention will be further described with reference to the accompanying drawings.

Fig. 1 is the utility model discloses crashproof roof beam static pressure test anchor clamps schematic diagram.

Fig. 2a is the structure schematic diagram of the connecting clamp of the present invention.

Fig. 2b is the schematic structural view of the lower supporting fixture of the present invention.

Fig. 3 is the schematic view of the connection structure of the lower supporting clamp and the test bed base of the utility model.

Fig. 4 is the utility model discloses experimental pressure head, crossbeam and coupling fixture's position structure sketch map.

Fig. 5a is the schematic view of the welding structure of the connection clamp of the present invention.

Fig. 5b is the utility model discloses lower supporting jig welded structure schematic diagram.

Fig. 6 is a schematic plan view of the connecting clamp of the present invention.

Fig. 7 is a schematic view of the connection between the connection clamp and the lower support clamp of the present invention.

Reference numerals:

1. a test bed base; 2. a test bed support column; 3. a hydraulic lever; 4. a connecting plate; 5. testing a pressure head; 6. connecting a clamp; 6.1, connecting blocks are arranged; 6.2, connecting the clamp connecting plate; 7. a lower support fixture; 7.1, connecting plates on the lower supporting clamp; 7.2, supporting a pipe by a lower supporting clamp; 7.3, a lower connecting plate of the lower supporting clamp; 8. a test bed; 9. a cross member.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Example 1

Referring to fig. 1, the anti-collision beam static pressure test fixture comprises a test bed base 1, a test bed support column 2 is installed above the test bed base 1, a test bed 8 is installed above the test bed support column 2, a hydraulic rod 3 is installed below the test bed 8, a connecting plate 4 is connected below the hydraulic rod 3, and a test pressure head 5 is installed below the connecting plate 4; a lower supporting clamp 7 is fixed above the test bed base 1, and a connecting clamp 6 is installed above the lower supporting clamp 7. The test pressure head 5 is connected with the connecting plate 4 through bolts.

When the test device is used, the cross beam 9 is arranged above the connecting clamp 6, the test pressure head 5 is pressed on the other side of the cross beam 9, and downward force is transmitted to the cross beam 9 through the hydraulic rod 3.

With reference to fig. 2a, the connecting clamp 6 comprises an upper connecting block 6.1 and a connecting clamp connecting plate 6.2; referring to fig. 5a, the connection between the upper connection block 6.1 and the connection clamp connection plate 6.2 is by welding.

Referring to fig. 2b, the lower support jig 7 includes a lower support jig upper connection plate 7.1, a lower support jig support tube 7.2, and a lower support jig lower connection plate 7.3; as shown in fig. 5b, the connection mode between the upper connecting plate 7.1 of the lower support fixture and the support tube 7.2 of the lower support fixture is welding; the lower support clamp supporting tube 7.2 and the lower support clamp lower connecting plate 7.3 are connected in a welding mode.

Referring to fig. 3, the lower support clamp lower connecting plate 7.3 is connected with the test bed base 1 through bolts.

As shown in fig. 4, for the position schematic diagram of experimental pressure head 5 and coupling fixture 6, the distance of experimental pressure head 5 apart from crossbeam 9 central line is L, wherein L0.25W, wherein W is the width size of car, the utility model is used for the static pressure test, for the support intensity of verifying crossbeam 9 under the little biasing operating mode of 25%. The included angle between the lower support clamp supporting tube 7.2 and the lower support clamp lower connecting plate 7.3 is theta, and theta is smaller than 90 degrees because the cross beam 9 has a radian, so that the direction of the lower support clamp supporting tube is consistent with that of the vehicle longitudinal beam.

The lower support clamp supporting tube 7.2 and the lower support clamp lower connecting plate 7.3 are overlapped along the axis direction, so that the supporting direction of the whole anti-collision beam static pressure test clamp is consistent with that of the longitudinal beam. Stringers are not shown in this application.

As shown in fig. 7, the connection between the connection jig 6 and the lower support jig 7 is a bolt connection.

As shown in fig. 5a, the outer contour of the lower support fixture support tube 7.2 is consistent with that of the actual longitudinal beam, so as to ensure that the stress form of the cross beam is consistent with that of the whole vehicle.

As shown in fig. 6, the cross section of the lower support fixture support tube 7.2 is a square tube, the thickness is determined according to the support strength required by the static pressure fixture, and the anti-collision beam static pressure test fixture cannot generate visible plastic deformation in the static pressure test process.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The anti-collision beam static pressure test fixture is characterized by comprising a test bed base (1), a test bed support column (2) is installed above the test bed base (1), a test bed (8) is installed above the test bed support column (2), a hydraulic rod (3) is installed below the test bed (8), a connecting plate (4) is connected below the hydraulic rod (3), and a test pressure head (5) is installed below the connecting plate (4); a lower supporting clamp (7) is fixed above the test bed base (1), and a connecting clamp (6) is installed above the lower supporting clamp (7).

2. The anti-collision beam static pressure test clamp according to claim 1, characterized in that the test pressure head (5) is connected with the connecting plate (4) through bolts.

3. The anti-collision beam static pressure test clamp according to claim 1, characterized in that the connecting clamp (6) comprises an upper connecting block (6.1) and a connecting clamp connecting plate (6.2); the upper connecting block (6.1) and the connecting clamp connecting plate (6.2) are connected by welding.

4. The anti-collision beam static pressure test clamp according to claim 1, characterized in that the lower support clamp (7) comprises a lower support clamp upper connecting plate (7.1), a lower support clamp supporting tube (7.2) and a lower support clamp lower connecting plate (7.3); the upper connecting plate (7.1) of the lower supporting fixture and the supporting tube (7.2) of the lower supporting fixture are connected in a welding mode; the lower support clamp supporting tube (7.2) and the lower support clamp lower connecting plate (7.3) are connected in a welding mode.

5. The anti-collision beam static pressure test clamp according to claim 4, characterized in that the lower support clamp lower connecting plate (7.3) is connected with the test bed base (1) through bolts.

6. The anti-collision beam static pressure test clamp according to claim 1, characterized in that the connection mode between the connecting clamp (6) and the lower supporting clamp (7) is bolt connection.

7. The anti-collision beam static pressure test clamp according to claim 4, characterized in that the section of the lower support clamp support tube (7.2) is a square tube.

8. The anti-collision beam static pressure test clamp according to claim 4, characterized in that the lower support clamp supporting tube (7.2) and the lower support clamp lower connecting plate (7.3) are overlapped in the axial direction.