CN218524267U

CN218524267U - Shock absorber shows merit and detects tight device in top

Info

Publication number: CN218524267U
Application number: CN202222242488.1U
Authority: CN
Inventors: 赵红
Original assignee: Longchang Shanchuan Machinery Co ltd
Current assignee: Longchang Shanchuan Machinery Co ltd
Priority date: 2022-08-24
Filing date: 2022-08-24
Publication date: 2023-02-24
Anticipated expiration: 2032-08-24

Abstract

The utility model discloses a shock absorber shows merit and detects tight device in top relates to the tight device technical field in top of shock absorber that shows merit and examine time measuring, including body, top chucking spare, ejector pin and sliding body, the inside triangular groove that is used for pushing up tight spare activity of making a round trip that is provided with of body, the inside of ejector pin activity embedding body, the tight piece in top includes extension board, first pin and second pin, and first pin is fixed on the ejector pin, and the second pin is fixed on the sliding body, and first pin passes through the extension board with the second pin and is connected. The utility model discloses a tight principle in mechanical type top through the synergism of top piece and sliding body, controls the rising and the decline of ejector pin.

Description

Shock absorber shows merit and detects tight device in top

Technical Field

The utility model relates to a tight technical field in top of shock absorber that the merit detected time measuring specifically is a tight device in shock absorber merit detection top.

Background

In the automobile suspension system, a shock absorber is adopted to slow down the shock between a frame (or an automobile body) and an axle, a piston in the shock absorber moves up and down, and oil repeatedly flows into another cavity from one cavity through different pores to form reciprocating damping force, so that the effects of slowing down the impact and reducing the shock are achieved. Therefore, the damping performance detection of the shock absorber is an important process for producing the shock absorber, and generally, a professional indicator detection device and a corresponding indicator detection auxiliary tool are used for detecting the damping force value of the shock absorber.

At present, most of domestic vibration damper manufacturers adopt a hydraulic mode to tightly push and fix products in indicator detection equipment to perform indicator detection. The hydraulic jacking force is adjustable in size, the jacking force is large, the product with large compression force can be met, the hydraulic jacking force rises tightly, the hydraulic valve is required to receive instructions in the descending process and then runs, the time required by detection of the hydraulic jacking force indicator is long, the hydraulic jacking mode can be caused by factors such as sealing of a hydraulic system, pipelines and attenuation of the hydraulic valve after the service life of the equipment is long, the holding force of the jacking force is unstable during product detection, and the possibility that the detection force value is inaccurate exists. In order to ensure that enough jacking force is kept in the product detection process and the accuracy of a damping test is ensured, the jacking device for the damper dynamometer detection is specially designed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art's is not enough, provides a tight device in shock absorber merit detection top, adopts the tight principle in mechanical type top for shock absorber merit in-process holds the tight power in sufficient top, ensures the accuracy of damping test.

The purpose of the utility model is realized through the following technical scheme: the shock absorber dynamometer detection jacking device comprises a body, a jacking piece, an ejector rod and a sliding body, wherein a triangular groove used for enabling the jacking piece to move back and forth is formed in the body, the ejector rod is movably embedded into the body, the jacking piece comprises a support plate, a first pin and a second pin, the first pin is fixed on the ejector rod, the second pin is fixed on the sliding body, and the first pin is connected with the second pin through the support plate.

Furthermore, the sliding body is connected with a jacking cylinder, the jacking cylinder is fixed on the body and used for controlling the reciprocating motion of the sliding body, and the sliding body drives the jacking piece to reciprocate.

Furthermore, the ejector rod is sleeved with the supporting plate, and the top of the ejector rod is provided with an ejector block used for placing the shock absorber and used for fixing the shock absorber to keep still and avoiding the shock absorber from displacing.

Furthermore, the supporting plate is connected with the upper pressure plate through a supporting rod, and the vibration absorber is placed between the supporting plate and the upper pressure plate.

Furthermore, the body is embedded with a stud, and the stud is sleeved with a nut, so that the device can be conveniently fixed on an equipment workbench.

Preferably, the ejector rod, the support plate, the body, the ejector block and the support plate are made of steel.

Preferably, the supporting plate is subjected to thermal refining, namely a double thermal treatment method of quenching and high-temperature tempering, the purpose of the thermal refining is to adjust the performance and the material of the steel to a great extent, the strength, the plasticity and the toughness of the steel are good, and the steel has good comprehensive mechanical properties, and the high-temperature tempering refers to tempering at 500-650 ℃. The ejector rod, the support plate, the body and the ejector block are all subjected to heat treatment, and the heat treatment refers to a metal hot working process for changing the chemical components and tissues on the surface or in the material to obtain the required performance by means of heating, heat preservation and cooling of the metal material in a solid state.

The beneficial effects of the utility model are that:

1. the utility model discloses a tight principle in mechanical type top through the synergism of top piece and sliding body, controls the rising and the decline of ejector pin.

2. The utility model discloses a tight cylinder control in top piece carries out reciprocating motion, and the operation beat is short, can effectively improve production efficiency.

Drawings

FIG. 1 is a schematic structural view of the present invention when the tightening member is in an inclined state;

FIG. 2 is a top view of FIG. 1;

FIG. 3 is a schematic structural view of the present invention when the tightening member is in a vertical state;

in the figure: 2-supporting plate, 3-stud, 4-body, 5-sliding body, 6-supporting plate, 7-first pin, 8-ejector rod, 9-ejector block, 10-second pin, 11-tightening cylinder and 13-nut.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the invention, as presented in the figures, 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 efforts belong to the protection scope of the present invention.

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

As shown in fig. 1-3, the shock absorber dynamometer detection tightening device comprises a body 4, a tightening piece, a top rod 8 and a sliding body 5, wherein a triangular groove used for back and forth movement of the tightening piece is formed in the body 4, the top rod 8 is movably embedded in the body 4, the tightening piece comprises a supporting plate 6, a first pin 7 and a second pin 10, the first pin 7 is fixed on the top rod 8, the second pin 10 is fixed on the sliding body 5, and the first pin 7 is connected with the second pin 10 through the supporting plate 6. The sliding body 5 is pushed, the lower end of a support plate 6 connected to the sliding body 5 through a second pin 10 rotates around the second pin 10, the support plate 6 slowly moves to a vertical position from an initial inclined position, and the support plate 6 pushes an ejector rod 8 to move upwards as the upper end of the support plate 6 is connected to the ejector rod 8 through a first pin 7; when the sliding body 5 resets, the upper end of the support plate 6 rotates around the first pin 7, the support plate 6 slowly moves to an initial inclined position state from a vertical position state, the support plate 6 drives the ejector rod 8 to move downwards, the sliding body drives the ejector piece to perform reciprocating motion inside the body 4, and the support plate 6 is guaranteed to be vertically jacked in place and reset after falling back.

The sliding body 5 is connected with a jacking cylinder 11, the jacking cylinder 11 is fixed on the body 4, the jacking cylinder 11 selects an air source of 0.4-0.6Mpa, the ejector rod 8 is sleeved with the supporting plate 2, the top of the ejector rod 8 is provided with an ejector block 9 used for placing the shock absorber, the ejector block 9 is designed according to the shape of a bottom cover used by various types of shock absorber products and used for fixing the shock absorber to keep still and avoiding the shock absorber from displacing, the supporting plate 2 is connected with the upper pressure plate through a supporting rod, and the shock absorber is placed between the supporting plate 2 and the upper pressure plate. When a product (namely a shock absorber) performs power-indicating detection, a jacking switch of the jacking cylinder 11 is started, a piston rod of the jacking cylinder 11 moves forwards to push the sliding body 5 to move 27mm, the lower end of a support plate 6 connected to the sliding body 5 through a second pin 10 rotates around the second pin 10, the support plate 6 slowly moves from an initial inclined position state to a vertical position state, the upper end of the support plate 6 is connected to a jacking rod 8 through a first pin 7, the support plate 6 pushes the jacking rod 8 to further push a jacking block 9 to move upwards for 13mm, the jacking block 9 drives the shock absorber placed on the jacking block 9 to ascend, at this time, an upper pressing plate of an oil seal end of the shock absorber is tightly attached, a bottom cover end of the shock absorber is tightly attached to the jacking block 9, the shock absorber is firmly fixed on the device, at this time, a test button for power-indicating detection is started, the power-indicating detection equipment vibrates up and down for several times according to a set vibration exciting speed, after the equipment finishes data reading and stopping, the jacking switch of the jacking cylinder 11 is closed, the piston rod of the jacking cylinder 11 resets, the sliding body 5 resets, the support plate 6 moves from the vertical position state to the initial inclined position state, the support plate 6 further drives the jacking block 9 to move downwards, an operator to drive the jacking block 9 to descend, and finish the product detection, and the operator to finish the product detection, and the product detection.

The body 4 is embedded with a stud 3, and the stud 3 is sleeved with a nut 13. The device is installed and connected on the working table of the equipment through a stud 3 and a nut 13.

The ejector rod 8, the support plate 6, the body 4, the ejector block 9 and the support plate 2 are made of steel materials, wherein the support plate 2 is made of 45 steel (namely oil steel) or Q235 (namely A3 steel), the ejector rod 8, the support plate 6, the body 4 and the ejector block 9 are made of 45 steel, the 45 steel is high-quality carbon structural steel, and the steel is not high in hardness and easy to cut; q235 is common carbon structural steel, Q represents the yield limit of the material, 235 means that the yield value of the material is about 235MPa, and the yield value of the material is reduced along with the increase of the thickness of the material, and the material has moderate carbon content, good comprehensive performance, good matching of strength, plasticity, welding and other properties and wide application.

The supporting plate 2 is quenched and tempered, and then tempered at 500-650 ℃. The ejector rod 8, the support plate 6, the body 4 and the ejector block 9 are all subjected to heat treatment HRC32-38, HRC32-38 refers to a hardness range commonly used in the mechanical industry, HRC represents Rockwell hardness, and the high impact toughness and comprehensive mechanical properties are achieved.

The foregoing is illustrative of the preferred embodiments of the present invention, and it is to be understood that the invention is not limited to the precise forms disclosed herein, and that various other combinations, modifications, and environments may be resorted to, falling within the scope of the invention as defined by the appended claims. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.

Claims

1. The utility model provides a tight device in shock absorber merit detection top which characterized in that: including body (4), top piece, ejector pin (8) and slider (5), body (4) inside is provided with the triangular groove that is used for pushing up the back and forth activity of tight piece, the inside of ejector pin (8) activity embedding body (4), the tight piece of top includes extension board (6), first pin (7) and second pin (10), first pin (7) are fixed on ejector pin (8), second pin (10) are fixed on slider (5), first pin (7) are connected through extension board (6) with second pin (10).

2. The damper indicator detection tightening device according to claim 1, characterized in that: the sliding body (5) is connected with the jacking cylinder (11), and the jacking cylinder (11) is fixed on the body (4).

3. The damper indicator detection tightening device according to claim 1, characterized in that: the support plate (2) is sleeved on the ejector rod (8), and an ejector block (9) used for placing the shock absorber is arranged at the top of the ejector rod (8).

4. The damper indicator detection tightening device according to claim 3, characterized in that: the support plate (2) is connected with the upper pressure plate through a support rod, and the vibration absorber is placed between the support plate (2) and the upper pressure plate.

5. The damper indicator detection tightening device according to claim 4, characterized in that: the body (4) is embedded with a stud (3), and the stud (3) is sleeved with a nut (13).

6. The damper indicator detection tightening device according to claim 3 or 5, characterized in that: the ejector rod (8), the support plate (6), the body (4), the ejector block (9) and the support plate (2) are all made of steel.

7. The indicator detection tightening device of the shock absorber according to claim 6, characterized in that: the supporting plate (2) is subjected to quenching and tempering, and the ejector rod (8), the supporting plate (6), the body (4) and the ejector block (9) are subjected to heat treatment.