CN214583942U

CN214583942U - Automobile rear spring upper support impact strength test device

Info

Publication number: CN214583942U
Application number: CN202120669012.9U
Authority: CN
Inventors: 李一鸣; 吴勇; 曹建桥
Original assignee: Shanghai Huazhuang Mold Co ltd
Current assignee: Shanghai Huazhuang Mold Co ltd
Priority date: 2021-04-01
Filing date: 2021-04-01
Publication date: 2021-11-02
Anticipated expiration: 2031-04-01

Abstract

The utility model discloses a spring upper bracket impact strength test device behind car, including tensile test machine, coupling assembling, width adjustment subassembly and length adjustment subassembly, coupling assembling includes connecting block and two curb plates, two curb plate symmetric installations are in the lateral part of connecting block, the tensile end in tensile test machine is all installed to two curb plates, width adjustment subassembly includes the slide rail, two sliders, the threaded rod, two connecting plates and handle, slide rail mounting is in the lower part of connecting block, two equal slidable mounting in the lower part of slide rail of slider, the outer wall of threaded rod is provided with first screw thread section and second screw thread section, first screw thread section and second screw thread section link to each other with the middle part screw thread of two sliders respectively, two connecting plates are installed respectively in the lower part of two sliders, the handle is installed in the one end of threaded rod, length adjustment subassembly includes the electric jar, the connecting rod, the U-shaped plate, the round pin axle, the axle, A stop lever and a baffle. The utility model discloses, simple and convenient realization is to the test of multiple specification back spring upper bracket.

Description

Automobile rear spring upper support impact strength test device

Technical Field

The utility model relates to a back spring upper bracket test technical field, concretely relates to car back spring upper bracket impact strength test device.

Background

The upper support of the rear spring is an important stressed component of a damping support system of a rear suspension of a chassis of the whole vehicle, and has very high requirements on the structural strength and reliability of parts. The existing rear spring upper support mainly comprises two parts, namely a support barrel and a support upper plate, and an assembly part is formed after welding and is a support member for a spring support of a rear suspension of an automobile and a vibration collision of the rear suspension. After the production of back spring upper bracket is finished, generally need to resist impact strength and detect, current detection generally utilizes anchor clamps centre gripping back spring upper bracket to pull anchor clamps through deep-drawing test machine, and then realize detecting.

And current detection device is in the use, and the back spring upper bracket of a model can only be detected to anchor clamps generally, when the back spring upper bracket of the production different models, needs purchase multiple anchor clamps, and the cost is higher.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a spring upper bracket impact strength test device behind car to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a spring upper bracket impact strength test device behind car, includes tensile test machine, coupling assembling, width adjustment subassembly and length adjustment subassembly.

Coupling assembling includes connecting block and two curb plates, two the curb plate symmetry install in the lateral part of connecting block, two the curb plate all install in tensile testing machine's tensile end.

The width adjusting assembly comprises a slide rail, two slide blocks, a threaded rod, two connecting plates and a handle, the slide rail is arranged on the lower portion of the connecting block, the two slide blocks are arranged on the lower portion of the slide rail in a sliding mode, a first thread section and a second thread section are arranged on the outer wall of the threaded rod, the thread direction of the first thread section is opposite to that of the second thread section, the first thread section and the second thread section are respectively in threaded connection with the middle portions of the two slide blocks, the two connecting plates are respectively arranged on the lower portions of the two slide blocks, and the handle is arranged at one end of the threaded rod.

The length adjustment subassembly is provided with two, the length adjustment subassembly includes electric jar, connecting rod, U-shaped board, round pin axle, pin bar and baffle, the electric jar install in the lower part of connecting plate, the connecting rod install in the output of electric jar, the U-shaped board install in the lower part of connecting rod, the round pin axle install in the lateral part of U-shaped board, the pin bar rotate install in the lateral part of round pin axle, the baffle install in the lateral part of U-shaped board, the pin bar round the round pin axle rotate the back with the baffle is inconsistent.

In an embodiment of the present invention, two opposite lateral portions of the side plate are all connected with a rubber pad, two bolt holes are formed in the middle of the rubber pad.

The utility model discloses an in the embodiment, the lateral part of slide rail is provided with the scale mark, the inner wall of slide rail sets up to the smooth surface.

The utility model discloses an in the embodiment, the limiting plate is installed to the one end lower part of slide rail, the one end of threaded rod rotate install in the middle part of limiting plate.

The utility model discloses an in the embodiment, the section of slider is the setting of type of protruding, the outer wall of slider sets up to the smooth surface.

In an embodiment of the present invention, the cross-section of the handle is in a Z-shape, and the outer wall of the handle is wrapped with a silica gel cover with a rough surface.

In an embodiment of the present invention, a diagonal brace is connected between the side portion of the connecting rod and the upper wall of the U-shaped plate.

To sum up, owing to adopted above-mentioned technique, the beneficial effects of the utility model are that:

1. the side plate is connected with the pulling end of the tensile testing machine, so that the assembly with the tensile testing machine is simply and conveniently realized;

2. the threaded rod is driven to rotate by rotating the handle, and then the sliding blocks are driven to move at the lower part of the sliding rail under the matching of the first thread section and the second thread section;

3. the operation through the electric cylinder drives the connecting rod and removes, and then drives the U-shaped plate and remove, satisfies the use of the spring upper bracket of multiple length, and when the spring upper bracket was fixed, two convex spare parts of spring upper bracket entered into the cavity of U-shaped plate to when tensile, drive the pin and rotate round the round pin axle, make the pin contradict with the baffle, and then realize firm support.

Drawings

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

fig. 2 is an enlarged schematic view of the utility model at a in fig. 1;

FIG. 3 is a schematic sectional view of the slide rail and the slide block of the present invention;

FIG. 4 is a schematic side view of the slide rail and the slide block according to the present invention;

fig. 5 is a schematic side view of the U-shaped plate of the present invention.

In the figure: 100. a tensile testing machine; 200. a connecting assembly; 210. connecting blocks; 220. a side plate; 221. a rubber pad; 222. bolt holes; 300. a width adjustment assembly; 310. a slide rail; 311. scale lines; 312. a limiting plate; 320. a slider; 330. a threaded rod; 340. a connecting plate; 350. a handle; 351. a silica gel sleeve; 360. a first thread segment; 370. a second thread segment; 400. a length adjustment assembly; 410. an electric cylinder; 420. a connecting rod; 421. bracing; 430. a U-shaped plate; 440. a pin shaft; 450. a stop lever; 460. and a baffle plate.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments 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 work belong to the protection scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms indicating orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the equipment or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to the specific situation of the specification.

Example 1

Referring to fig. 1-5, the present invention provides an impact strength testing apparatus for a rear spring upper support of an automobile, which includes a tensile testing machine 100, a connecting assembly 200, a width adjusting assembly 300 and two length adjusting assemblies 400.

The connection assembly 200 includes a connection block 210 and two side plates 220, the two side plates 220 are symmetrically installed at the side of the connection block 210, and the two side plates 220 are both installed at the tensile end of the tensile testing machine 100.

The width adjustment assembly 300 comprises a sliding rail 310, two sliding blocks 320, a threaded rod 330, two connecting plates 340 and a handle 350, wherein the sliding rail 310 is mounted on the lower portion of the connecting block 210 through a bolt, the two sliding blocks 320 are all slidably mounted on the lower portion of the sliding rail 310, the outer wall of the threaded rod 330 is provided with a first threaded section 360 and a second threaded section 370, the thread directions of the first threaded section 360 and the second threaded section 370 are opposite, the first threaded section 360 and the second threaded section 370 are respectively in threaded connection with the middle portions of the two sliding blocks 320, the two connecting plates 340 are respectively mounted on the lower portions of the two sliding blocks 320 through screws, and the handle 350 is mounted at one end of the threaded rod 330.

The length adjustment assembly 400 comprises an electric cylinder 410, a connecting rod 420, a U-shaped plate 430, a pin 440, a stop lever 450 and a baffle 460, wherein the electric cylinder 410 is installed at the lower part of the connecting plate 340 through an electric cylinder seat, the connecting rod 420 is installed at the output end of the electric cylinder 410, the U-shaped plate 430 is installed at the lower part of the connecting rod 420, the pin 440 is rotatably installed at the side part of the U-shaped plate 430, the stop lever 450 is rotatably installed at the side part of the pin 440, the baffle 460 is installed at the side part of the U-shaped plate 430, and the stop lever 450 is abutted to the baffle 460 after rotating around the pin 440.

In order to increase the flexibility of the side plates 220 in contact with the tensile end of the tensile testing machine 100, rubber pads 221 are glued to the opposite side portions of the two side plates 220; in order to facilitate the connection between the side plates 220 and the stretching end of the tensile testing machine 100, bolt holes 222 are formed in the middle of the two side plates 220 and the two rubber pads 221.

In order to observe the moving distance of the slider 320, the side of the sliding rail 310 is provided with scale lines 311; to reduce the friction, the inner wall of the slide rail 310 is provided with a smooth surface.

In order to limit the threaded rod 330, a limiting plate 312 is mounted at the lower part of one end of the sliding rail 310, and one end of the threaded rod 330 is rotatably mounted at the middle part of the limiting plate 312 through a bearing.

In order to increase the connection strength between the slider 320 and the slide rail 310, the cross section of the slider 320 is formed in a convex shape, and in order to reduce the friction force, the outer wall of the slider 320 is formed in a smooth surface.

In order to facilitate the rotation of the handle 350, the cross section of the handle 350 is arranged in a Z shape; in order to increase the comfort level of the hand holding the handle 350, the outer wall of the handle 350 is wrapped with a silica gel sleeve 351 with a rough surface.

In order to increase the coupling strength between the connection bar 420 and the U-shaped plate 430, a diagonal brace 421 is coupled between the side of the connection bar 420 and the upper wall of the U-shaped plate 430.

The working principle is as follows: when the device is used, the side plate 220 is connected with the pulling end of the tensile testing machine 100, so that the device is simply assembled with the tensile testing machine 100; the threaded rod 330 is driven to rotate by rotating the handle 350, and then the sliding blocks 320 are driven to move at the lower parts of the sliding rails 310 under the matching of the first threaded section 360 and the second threaded section 370, and because the thread directions of the first threaded section 360 and the second threaded section 370 are opposite, the distances between the two sliding blocks 320 are enabled to be close to or far away from each other at the same time, and then the distances between the two connecting plates 340 are driven to change, so that the use of the spring upper supports with various diameters is met; operation through electric cylinder 410 drives connecting rod 420 and removes, and then drives U-shaped plate 430 and remove, satisfy the use of the spring upper bracket of multiple length, and when the spring upper bracket is fixed, two convex spare parts of spring upper bracket enter into the cavity of U-shaped plate 430, and when tensile, drive pin 450 and rotate round pin axle 440, make pin 450 contradict with baffle 460, and then realize firm support, wholly can adapt to the centre gripping of multiple specification spring upper bracket, and then be convenient for carry on subsequent strength test.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Claims

1. The utility model provides a spring upper bracket impact strength test device behind car which characterized in that includes:

a tensile testing machine (100);

the connecting assembly (200) comprises a connecting block (210) and two side plates (220), the two side plates (220) are symmetrically arranged on the side part of the connecting block (210), and the two side plates (220) are arranged at the stretching end of the tensile testing machine (100);

a width adjustment assembly (300), the width adjustment assembly (300) comprises a slide rail (310), two slide blocks (320), a threaded rod (330), two connecting plates (340) and a handle (350), the sliding rail (310) is arranged at the lower part of the connecting block (210), the two sliding blocks (320) are arranged at the lower part of the sliding rail (310) in a sliding way, the outer wall of the threaded rod (330) is provided with a first threaded section (360) and a second threaded section (370), the first thread segments (360) are threaded in an opposite direction to the second thread segments (370), the first thread section (360) and the second thread section (370) are respectively in threaded connection with the middle parts of the two sliding blocks (320), the two connecting plates (340) are respectively arranged at the lower parts of the two sliding blocks (320), and the handle (350) is arranged at one end of the threaded rod (330);

length adjustment subassembly (400), length adjustment subassembly (400) are provided with two, length adjustment subassembly (400) include electric cylinder (410), connecting rod (420), U-shaped board (430), round pin axle (440), pin spacer (450) and baffle (460), electric cylinder (410) install in the lower part of connecting plate (340), connecting rod (420) install in the output of electric cylinder (410), U-shaped board (430) install in the lower part of connecting rod (420), round pin axle (440) install in the lateral part of U-shaped board (430), pin spacer (450) rotate install in the lateral part of round pin axle (440), baffle (460) install in the lateral part of U-shaped board (430), pin spacer (450) round pin axle (440) rotate the back with baffle (460) are inconsistent.

2. The device for testing the impact strength of the upper support of the rear spring of the automobile according to claim 1, is characterized in that: two lateral parts that curb plate (220) are relative all glue joint have rubber pad (221), two curb plate (220) and two bolt hole (222) have all been seted up in the middle part of rubber pad (221).

3. The device for testing the impact strength of the upper support of the rear spring of the automobile according to claim 1, is characterized in that: the side of slide rail (310) is provided with scale mark (311), the inner wall of slide rail (310) sets up to the smooth surface.

4. The device for testing the impact strength of the upper support of the rear spring of the automobile according to claim 1, is characterized in that: a limiting plate (312) is installed on the lower portion of one end of the sliding rail (310), and one end of the threaded rod (330) is rotatably installed in the middle of the limiting plate (312).

5. The device for testing the impact strength of the upper support of the rear spring of the automobile according to claim 1, is characterized in that: the section of slider (320) is the setting of type shape, the outer wall of slider (320) sets up to the smooth surface.

6. The device for testing the impact strength of the upper support of the rear spring of the automobile according to claim 1, is characterized in that: the section of handle (350) is the setting of Z style of calligraphy, the outer wall parcel of handle (350) has surperficial coarse silica gel cover (351).

7. The device for testing the impact strength of the upper support of the rear spring of the automobile according to claim 1, is characterized in that: and an inclined strut (421) is connected between the side part of the connecting rod (420) and the upper wall of the U-shaped plate (430).