CN114689447B

CN114689447B - Automobile parts intensity check out test set

Info

Publication number: CN114689447B
Application number: CN202210610987.3A
Authority: CN
Inventors: 王永刚; 王明辉; 甄冉; 李国强; 梁刚
Original assignee: Shandong Meichen Industrial Group Co ltd
Current assignee: Shandong Meichen Industrial Group Co ltd
Priority date: 2022-06-01
Filing date: 2022-06-01
Publication date: 2022-09-09
Anticipated expiration: 2042-06-01
Also published as: CN114689447A

Abstract

The invention relates to the technical field of automobile part strength detection equipment, and discloses automobile part strength detection equipment which comprises a fixed base, wherein a swinging shaft is arranged at the central position of the upper end of the fixed base, a lower placing mechanism is arranged at one end, far away from the fixed base, of the swinging shaft, U-shaped frames are symmetrically arranged at the upper end of the fixed base, and a driving shaft is rotatably arranged at the central position of the lower end of each U-shaped frame; one driven gear is provided with a rotating shaft, a worm wheel is arranged on the rotating shaft, and a worm arranged on the transmission shaft is meshed outside the worm wheel; and the other driven gear is provided with a connecting shaft, and the connecting shaft is provided with a lifting rod through a lifting part. According to the invention, the lower placing mechanism can swing in a reciprocating manner clockwise and anticlockwise so as to generate shearing force in two horizontal directions, the strength detection effect on the automobile parts is increased, and meanwhile, the lower placing mechanism can also move up and down in a reciprocating manner to generate load in the vertical direction, so that the strength detection effect on the automobile parts is further increased.

Description

Automobile parts intensity check out test set

Technical Field

The invention relates to the technical field of automobile part strength detection equipment, in particular to automobile part strength detection equipment.

Background

Automobile parts are used as the basis of the automobile industry, are necessary factors for supporting the continuous and healthy development of the automobile industry, and particularly, a strong part system is needed for supporting the autonomous development and innovation which are vigorously and vigorously developed in the current automobile industry.

At present, current automobile parts need carry out the strength test to it in order to guarantee installation quality before installing and using, to its strength test in-process, need artifically place automobile parts on putting the thing platform, then carry out intensity detection to it through the strength testing device, the manual work is taken automobile parts away after detecting, then carries out next group's test. However, when the strength of the existing automobile parts is detected, only a load in one direction of rotation or vertical direction can be generated when a load is loaded, and the complex situation under the actual working condition cannot be simulated, so that the device needs to be further improved.

Disclosure of Invention

The invention aims to provide an automobile part strength detection device to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

a strength detection device for automobile parts comprises a fixed base, wherein a swing shaft is arranged at the central position of the upper end of the fixed base, a swing gear is arranged on the swing shaft, a lower placing mechanism is arranged at one end, away from the fixed base, of the swing shaft, a U-shaped frame is symmetrically arranged at the upper end of the fixed base, a driving shaft is rotatably arranged at the central position of the lower end of the U-shaped frame, a driving gear is arranged on the driving shaft, driven gears are respectively meshed with two sides of the driving gear, a rotating shaft is arranged at the bottom of the driving shaft through a limiting part, and a placing mechanism is arranged at the bottom of the rotating shaft;

a rotating shaft is mounted on one driven gear, a worm wheel is mounted on the rotating shaft, a worm arranged on a transmission shaft is meshed with the outer side of the worm wheel, the top of the transmission shaft is rotatably arranged on a U-shaped frame, a rotating disc is mounted at the bottom of the transmission shaft, an eccentric column is mounted at the non-circle center position of the rotating disc, a sliding sleeve is sleeved on the outer side of the eccentric column, a sliding column is mounted on one side, close to a swing gear, of the sliding sleeve, and a straight rack meshed with the swing gear is arranged on the sliding column;

and a connecting shaft is arranged on the other driven gear, a lifting rod is arranged on the connecting shaft through a lifting part, and one end of the lifting rod, which is far away from the lifting part, is connected with a bearing seat which is rotatably arranged on the rotating shaft.

As a modified scheme of the invention: and a driving motor is arranged at the center of the upper end of the U-shaped frame, and a driving shaft is arranged on an output shaft of the driving motor.

As a modified scheme of the invention: and one ends of the rotating shaft and the connecting shaft, which are far away from the driven gear, are respectively and rotatably arranged on the inner side of the U-shaped frame.

As a modified scheme of the invention: spacing portion is including setting up the spacing groove in the drive shaft bottom and setting up the spacing strip at the rotation axis top, spacing strip and spacing groove joint cooperation.

As a modified scheme of the invention: the lift portion is equipped with bent cover including setting up at the epaxial crank of connecting, the cover on the crank, installs the curved bar on the bent cover, and the curved bar bottom articulates there is the connecting rod, connecting rod bottom fixedly connected with lifter.

As a modified scheme of the invention: and a stop block is arranged at one end of the eccentric column, which is far away from the rotating disc.

As a modified scheme of the invention: one end, far away from the sliding sleeve, of the sliding column is connected with a guide cylinder through a buffer spring, and the guide cylinder is fixed on the U-shaped frame.

As a modified scheme of the invention: go up placement machine and lower placement machine and construct including placing the frame respectively, place frame one end and be provided with open structure, place the frame inner wall and install a plurality of clamping screw through helicitic texture, clamping screw outside one end installation handle, the inboard one end installation of clamping screw presss from both sides tight piece.

As a modified scheme of the invention: the driving gear and the two driven gears are arranged in a U-shaped structure.

Compared with the prior art, the invention has the beneficial effects that:

1. the swing gear is arranged on the swing shaft, and the lower placing mechanism can swing in a reciprocating manner clockwise and anticlockwise under the matching of the rotating disc and the sliding column, so that shearing force in two horizontal directions is generated, and the strength detection effect on automobile parts is improved;

2. through the lifting part, the limiting part and the bearing seat, the upper placing mechanism can not only rotate, but also reciprocate up and down to generate a load in the vertical direction, so that the strength detection effect on automobile parts is further improved;

3. the whole device only has one power source, the device cost is further reduced, the practicability is high, the reliability is high, and the device is worth of being popularized and used.

Drawings

FIG. 1 is a schematic view of an axial structure of the present invention;

FIG. 2 is an overall elevational schematic view of the present invention;

FIG. 3 is a schematic overall side view of the present invention;

FIG. 4 is an overall rear view of the present invention;

FIG. 5 is a schematic bottom view of the present invention;

FIG. 6 is a schematic view of a part of the enlarged structure of a in FIG. 2;

FIG. 7 is a partial enlarged structural view of b in FIG. 5;

FIG. 8 is a schematic structural view of a position-limiting portion of the present invention;

FIG. 9 is a schematic view showing an installation structure of a buffer spring according to the present invention;

fig. 10 is a schematic view of an installation structure of the buffer spring according to the present invention.

In the figure: 1. a fixed base; 2. a U-shaped frame; 3. a drive motor; 4. a swing shaft; 5. a swing gear; 6. a lower placement mechanism; 7. a sliding post; 8. a guide cylinder; 9. straight rack; 10. a drive shaft; 11. rotating the disc; 12. a worm; 13. a worm gear; 14. a rotating shaft; 15. a drive shaft; 16. a driving gear; 17. a driven gear; 18. a rotating shaft; 19. a bearing seat; 20. an upper placing mechanism; 21. a connecting shaft; 22. a lifting rod; 23. sheathing with a curved sleeve; 24. a curved bar; 25. a connecting rod; 26. a sliding sleeve; 27. an eccentric column; 28. a stopper; 29. a limiting groove; 30. a limiting strip; 31. a buffer spring; 32. a crank; 33. placing the frame; 34. a clamping block; 35. clamping the screw rod; 36. a handle.

Detailed Description

It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore are not to be construed as limiting the invention, and further, the terms "first", "second", etc., are used only for descriptive purposes and are not intended to indicate or imply relative importance or to implicitly indicate the number of technical features indicated, whereby the features defined as "first", "second", etc., may explicitly or implicitly include one or more of such features, in the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; the two elements may be directly connected or indirectly connected through an intermediate medium, and the two elements may be communicated with each other, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art through specific situations.

The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

Example 1

Referring to fig. 1 to 10, in the embodiment of the present invention, an automobile part strength detection apparatus includes a fixed base 1, a swing shaft 4 is installed at a central position of an upper end of the fixed base 1, a swing gear 5 is installed on the swing shaft 4, the swing shaft 4 is ensured to synchronously rotate along the central position of the fixed base 1 by rotating the swing gear 5, a lower placement mechanism 6 is installed at one end of the swing shaft 4 away from the fixed base 1, a U-shaped frame 2 is symmetrically installed at the upper end of the fixed base 1, a driving shaft 15 is rotatably installed at a central position of a lower end of the U-shaped frame 2, a driving gear 16 is installed on the driving shaft 15, driven gears 17 are respectively engaged at two sides of the driving gear 16, a torque is applied to the driving shaft 15, so that the driving gear 16 drives the driven gears 17 to synchronously rotate, a rotating shaft 18 is installed at a bottom of the driving shaft 15 through a limiting portion, and a placement mechanism 20 is installed at a bottom of the rotating shaft 18, specifically, during operation, automobile parts are installed between the upper placing mechanism 20 and the lower placing mechanism 6, dynamic load application is carried out on the whole automobile parts, and finally the requirement for strength detection is met.

One of the driven gears 17 is provided with a rotating shaft 14, the rotating shaft 14 is provided with a worm wheel 13, the outer side of the worm wheel 13 is meshed with a worm 12 arranged on a transmission shaft 10, the driven gear 17 drives the worm wheel 13 to rotate when rotating, and further is meshed with the worm 12, so that the whole transmission shaft 10 synchronously rotates, the top of the transmission shaft 10 is rotatably arranged on a U-shaped frame 2, and further the top of the transmission shaft 10 is limited to rotate, the bottom of the transmission shaft 10 is provided with a rotating disc 11, an eccentric column 27 is arranged at a non-circle center position of the rotating disc 11, the outer side of the eccentric column 27 is sleeved with a sliding sleeve 26, the sliding sleeve 26 is close to one side of a swing gear 5 to be provided with a straight rack 9 which is meshed with the swing gear 5, particularly, the rotating disc 11 can be driven to synchronously rotate by the rotation of the transmission shaft 10, and further the sliding sleeve 26 enables the sliding column 7 to synchronously move left and right in a reciprocating manner under the action of the eccentric column 27, finally, a spur rack 9 arranged on the sliding column 7 is meshed with the swing gear 5, so that the swing gear 5 drives the swing shaft 4 to synchronously swing in a reciprocating manner clockwise and anticlockwise.

Another driven gear 17 goes up installation connecting axle 21, through lift portion installation lifter 22 on connecting axle 21, lifter 22 keeps away from lift portion one end and is connected with and rotates the bearing frame 19 that sets up on rotation axis 18, and is concrete, driven gear 17 has driven connecting axle 21 to rotate when rotating, and then under the cooperation of lift portion for lifter 22 has driven rotation axis 18 under the rotation state through the effect of bearing frame 19 and has reciprocated in step, and then produces the ascending load in vertical direction.

In one aspect of this embodiment, the driving motor 3 is installed at the center of the upper end of the U-shaped frame 2, the driving shaft 15 is installed on the output shaft of the driving motor 3, and the driving motor 3 rotates the driving shaft 15, so as to provide a power source for the whole dynamic testing apparatus.

In a case of this embodiment, the ends of the rotating shaft 14 and the connecting shaft 21, which are far away from the driven gear 17, are respectively rotatably disposed on the inner side of the U-shaped frame 2, and the ends of the rotating shaft 14 and the connecting shaft 21, which are outside, are respectively rotatably disposed on the U-shaped frame 2, so that it is ensured that the rotating shaft 14 and the connecting shaft 21 do not shake during the rotation process, and finally, the meshing accuracy between the driven gear 17 and the driving gear 16 is ensured.

In a condition of this embodiment, spacing portion is including setting up spacing groove 29 in drive shaft 15 bottom and setting up the spacing 30 at rotation axis 18 top, spacing 30 and the cooperation of spacing groove 29 joint, it is concrete, utilize the clamping effect between spacing 30 and the spacing groove 29, ensured on the one hand that drive shaft 15 can drive rotation axis 18 synchronous rotation in the pivoted, still ensured simultaneously that rotation axis 18 can not produce the interference phenomenon with drive shaft 15 under the rotation state at the in-process that reciprocates, further increased and installed stability.

In the one aspect of this embodiment, lift portion is equipped with bent cover 23 including setting up the crank 32 on connecting axle 21 on crank 32, the cover is equipped with bent cover 23 on the bent cover 23, and installation bent lever 24 is gone up to

bent cover

23, and 24 bottom hinges have connecting rod 25, and connecting rod 25 bottom fixedly connected with lifter 22 is specific, connecting axle 21 can drive crank 32 at the rotation in-process and rotate, and then makes bent lever 24 drive connecting rod 25 and reciprocate in step under the effect of bent cover 23, has finally driven the synchronous up-and-down reciprocating motion of lifter 22.

In the condition of this embodiment, sliding column 7 is kept away from sliding sleeve 26 one end and is connected with guide cylinder 8 through buffer spring 31, and guide cylinder 8 is fixed on U type frame 2, and through buffer spring 31 and guide cylinder 8's setting, can make sliding column 7 remove the in-process on the one hand and can not take place rocking on a large scale, has ensured the meshing precision between spur rack 9 and swing gear 5, and on the other hand has still further guaranteed eccentric column 27 and sliding sleeve 26's cooperation in, sliding column 7 only takes place to remove, and the removal of front and back position does not take place.

In one aspect of this embodiment, on place mechanism 20 and place mechanism 6 down respectively including placing frame 33, place frame 33 one end and be provided with open structure, place the frame 33 inner wall and install a plurality of clamping screw 35 through helicitic texture, clamping screw 35 outside one end installation handle 36, clamping screw 35 inboard one end installation clamping block 34 has finally ensured through setting up above-mentioned structure that the detachable installation of the tip to waiting to detect automobile parts is fixed.

In the case of this embodiment, driving gear 16 and two driven gear 17 are the setting of U type structure, driving gear 16 and driven gear 17 are the bevel gear structure, have finally ensured that driving gear 16 can drive driven gear 17 synchronous emergence when the pivoted and rotate.

Example 2

In another embodiment of the present invention, the embodiment is different from the above-mentioned embodiment in that a stopper 28 is installed at one end of the eccentric column 27 far from the rotating disk 11, and by installing the stopper 28 on the eccentric column 27, the sliding sleeve 26 will not slide out of the bottom of the eccentric column 27 when being matched with the eccentric column 27, further increasing the reliability of the device.

The working principle of the invention is as follows: when the automobile component mounting device works, the head and the tail of an automobile component are respectively mounted on the upper placing mechanism 20 and the lower placing mechanism 6, then the driving motor 3 is started, the driving shaft 15 is directly driven by the driving motor 3 to rotate, the rotating shaft 18 is further driven to rotate under the action of the limiting portion, a horizontal upward shearing force is applied to the head of the automobile component, meanwhile, the driving gear 16 rotates under the action of the driving shaft 15 to drive the driven gear 17 to synchronously rotate, finally, the connecting shaft 21 and the rotating shaft 14 synchronously rotate, the rotating shaft 18 in a rotating state is driven to move up and down under the action of the lifting portion in the rotating process of the connecting shaft 21, so that a vertical load is applied to the head of the automobile component, the rotating shaft 14 drives the rotating disc 11 to synchronously rotate under the action of the worm wheel 13 and the worm 12 in the rotating process, and finally, under the matching of the eccentric column 27 and the sliding sleeve 26, make the reciprocal meshing about spur rack 9 on the slip post 7 and the swing gear 5 on the oscillating axle 4, finally make down 6 clockwise and anticlockwise reciprocating rotation of placement mechanism to apply two shearing forces on the level to automobile parts's afterbody, and then simulate out actual complex operating mode, improved the intensity detection needs to automobile parts greatly.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The strength detection equipment for the automobile parts comprises a fixed base (1) and is characterized in that a swing shaft (4) is arranged at the center of the upper end of the fixed base (1), a swing gear (5) is arranged on the swing shaft (4), a lower placement mechanism (6) is arranged at one end, far away from the fixed base (1), of the swing shaft (4), a U-shaped frame (2) is symmetrically arranged at the upper end of the fixed base (1), a driving shaft (15) is rotatably arranged at the center of the lower end of the U-shaped frame (2), a driving gear (16) is arranged on the driving shaft (15), driven gears (17) are respectively meshed with the two sides of the driving gear (16), a rotating shaft (18) is arranged at the bottom of the driving shaft (15) through a limiting part, and a placement mechanism (20) is arranged at the bottom of the rotating shaft (18);

a rotating shaft (14) is installed on one driven gear (17), a worm wheel (13) is installed on the rotating shaft (14), a worm (12) arranged on a transmission shaft (10) is meshed on the outer side of the worm wheel (13), the top of the transmission shaft (10) is rotatably arranged on a U-shaped frame (2), a rotating disc (11) is installed at the bottom of the transmission shaft (10), an eccentric column (27) is installed at the non-circle center position of the rotating disc (11), a sliding sleeve (26) is sleeved on the outer side of the eccentric column (27), a sliding column (7) is installed on one side, close to a swing gear (5), of the sliding sleeve (26), and a straight rack (9) meshed with the swing gear (5) is arranged on the sliding column (7);

and a connecting shaft (21) is arranged on the other driven gear (17), a lifting rod (22) is arranged on the connecting shaft (21) through a lifting part, and one end, far away from the lifting part, of the lifting rod (22) is connected with a bearing seat (19) rotatably arranged on the rotating shaft (18).

2. The automobile part strength detection device according to claim 1, wherein a driving motor (3) is installed at the center position of the upper end of the U-shaped frame (2), and a driving shaft (15) is installed on an output shaft of the driving motor (3).

3. The apparatus for testing strength of automobile parts according to claim 1, wherein the ends of the rotating shaft (14) and the connecting shaft (21) away from the driven gear (17) are rotatably disposed inside the U-shaped frame (2), respectively.

4. The automobile part strength detection device according to claim 2, wherein the limiting portion comprises a limiting groove (29) formed in the bottom of the driving shaft (15) and a limiting strip (30) arranged on the top of the rotating shaft (18), and the limiting strip (30) is in clamping fit with the limiting groove (29).

5. The automobile part strength detection device according to claim 3, wherein the lifting portion comprises a crank (32) arranged on the connecting shaft (21), a crank sleeve (23) is sleeved on the crank (32), a crank rod (24) is installed on the crank sleeve (23), a connecting rod (25) is hinged to the bottom of the crank rod (24), and a lifting rod (22) is fixedly connected to the bottom of the connecting rod (25).

6. The automobile part strength detecting device according to claim 1, wherein a stopper (28) is installed at an end of the eccentric column (27) away from the rotating disk (11).

7. The automobile part strength detection device according to claim 6, wherein one end of the sliding column (7) far away from the sliding sleeve (26) is connected with a guide cylinder (8) through a buffer spring (31), and the guide cylinder (8) is fixed on the U-shaped frame (2).

8. The automobile part strength detection device according to claim 1, wherein the upper placing mechanism (20) and the lower placing mechanism (6) respectively comprise a placing frame (33), an opening structure is arranged at one end of the placing frame (33), a plurality of clamping screws (35) are installed on the inner wall of the placing frame (33) through a thread structure, a handle (36) is installed at one end of the outer side of each clamping screw (35), and a clamping block (34) is installed at one end of the inner side of each clamping screw (35).

9. The apparatus for testing strength of automobile parts according to any one of claims 1-8, wherein the driving gear (16) and the two driven gears (17) are disposed in a U-shaped configuration.