CN115524117A

CN115524117A - Be used for axletree intensity measuring device

Info

Publication number: CN115524117A
Application number: CN202110024920.7A
Authority: CN
Inventors: 王义旭; 罗翥; 孙铭; 尤春梅; 彭璐; 苗娜; 张磊
Original assignee: Research Institute of Highway Ministry of Transport
Current assignee: Research Institute of Highway Ministry of Transport
Priority date: 2021-01-08
Filing date: 2021-01-08
Publication date: 2022-12-27

Abstract

The invention discloses a device for measuring the strength of an axle, and relates to the technical field of automobile part detection. Including workstation, first fixture, second fixture and bottom sprag mechanism, the top fixed mounting of workstation has first fixture and bottom sprag mechanism, the top sliding connection of workstation has second fixture, first fixture is the same with second fixture's model. Utilize the pneumatic cylinder can drive the second fixture and slide on the workstation for distance between two fixtures can be adjusted according to treating centre gripping axle type part, gear motor among the fixture can drive first gear montant and two second gear montants respectively and rotate simultaneously, make three grip slipper treat the surface of centre gripping axle type part gradually and fix, make this measuring device can be according to the regulation of actual conditions fixture position, make this measuring device can the centre gripping axle type part of different diameters.

Description

Be used for axletree intensity measuring device

Technical Field

The invention relates to the technical field of automobile part detection, in particular to an axle strength measuring device.

Background

With the development of science and technology, the total amount of domestic automobiles is increasing day by day, automobiles become important transportation tools for people to go out, but safety accidents, particularly accidents such as broken axles, are serious due to the fact that the quality of automobile parts is uneven, and in order to avoid or reduce the condition that the automobile parts are broken axles, strength detection needs to be carried out on the automobile parts before the automobile parts are produced.

In the prior art, the clamping device for detecting the strength of the automobile shaft parts is used for clamping and positioning equipment of shaft parts when the strength of the shaft parts is detected, the existing clamping device is mostly used for clamping the shaft parts with uniform specifications, when the shaft parts with different diameters are detected, the detection devices with various specifications are required to be purchased, and the clamping device is limited in use.

Disclosure of Invention

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a be used for axletree intensity measuring device, includes workstation, first fixture, second fixture and bottom sprag mechanism, the top fixed mounting of workstation has first fixture and bottom sprag mechanism, the top sliding connection of workstation has second fixture, first fixture is the same with second fixture's model.

As a preferable technical scheme of the present invention, a hydraulic cylinder is fixedly installed inside the workbench, an output shaft of the hydraulic cylinder is fixedly installed with a bottom end of the second clamping mechanism, a guide wheel is fixedly installed at a bottom of the output shaft of the hydraulic cylinder, and a bottom end of the guide wheel is slidably connected with the inside of the workbench.

As a preferred technical scheme of the present invention, the second clamping mechanism includes a fixed disk and a driving box, the driving box and the fixed disk are fixedly mounted, a gear motor and two driven gears are fixedly mounted inside the driving box, and an output shaft of the gear motor and the two driven gears are in transmission connection through a transmission chain.

As a preferable technical scheme, the surface of the fixed disk is rotatably connected with a first vertical gear rod and two second vertical gear rods, the top end of the first vertical gear rod is fixedly connected with the bottom end of an output shaft of a gear motor, the top end of the second vertical gear rod is fixedly connected with the bottom end of a driven gear, and conical gears are meshed with the outer sides of the first vertical gear rod and the two second vertical gear rods.

As a preferable technical scheme of the present invention, a screw is fixedly mounted on the other side of the bevel gear, a baffle is fixedly mounted on the other end of the screw, the baffle is rotatably connected to the surface of the fixed disk, a nut seat is in threaded connection with the outer side of the screw, a connecting frame is fixedly mounted on the outer side of the nut seat, and a clamping seat is fixedly mounted on the other end of the connecting frame.

As a preferable technical scheme of the invention, two sliding blocks are fixedly arranged on the outer side of the connecting frame, a sliding rod is fixedly arranged on the outer side of the fixed disk, and the sliding blocks are in sliding connection with the outer sides of the sliding rods.

As a preferred technical scheme of the present invention, the bottom support mechanism includes a driving frame, a brake motor is fixedly mounted on an inner wall of the driving frame, two lead screws are fixedly mounted on an output shaft of the brake motor, nut plates are connected to outer sides of the lead screws through threads, a transverse plate is movably connected between top ends of the two nut plates through a deflection rod, a support rod is fixedly mounted on a top of the transverse plate, a bottom plate is fixedly mounted on a top end of the transverse plate through the support rod, and the bottom plate is located above the driving frame.

According to a preferable technical scheme of the invention, the thread directions of the two screw rods are opposite, the two sides of the transverse plate are fixedly provided with the follow-up blocks, and the other ends of the follow-up blocks are in sliding connection with the inner wall of the driving frame.

Advantageous effects

Compared with the prior art, the invention provides an axle strength measuring device, which has the following beneficial effects:

1. this be used for axletree intensity measuring device, through setting up first fixture and second fixture, utilize the pneumatic cylinder can drive second fixture and slide on the workstation, make the distance between two fixtures can be adjusted according to treating centre gripping axle class part, gear motor among the fixture can drive first gear montant and two second gear montants respectively simultaneously and rotate, make three grip slipper treat the surface of centre gripping axle class part gradually and fix, make this measuring device can be according to the regulation of actual conditions fixture position, make this measuring device can the different axle class parts of centre gripping diameter.

2. This be used for axletree intensity measuring device, through setting up bottom sprag mechanism, utilize brake motor to drive two lead screws and rotate in step, make the lead screw drive the deflection bar through the nut plate and rotate for the diaphragm carries out elevating movement at the deflection bar in-process that rotates gradually, makes bottom sprag mechanism can be treating to carry out the auxiliary stay to its bottom after centre gripping axle class part accomplishes the centre gripping, thereby has improved centre gripping stability.

Drawings

Fig. 1 is a schematic structural diagram of an axle strength measuring device according to the present invention;

FIG. 2 is a schematic structural view of a second clamping mechanism for an axle strength measuring device according to the present invention;

FIG. 3 is a structural side view of a second clamping mechanism for the axle strength measuring device according to the present invention;

FIG. 4 is a side sectional view of a drive case structure for an axle strength measuring apparatus according to the present invention;

FIG. 5 is a side sectional view of a fixing plate structure for an axle strength measuring device according to the present invention;

fig. 6 is a schematic structural diagram of a bottom support mechanism for an axle strength measuring device according to the present invention.

In the figure: 1. a work table; 2. a first clamping mechanism; 3. a second clamping mechanism; 4. a hydraulic cylinder; 5. a guide wheel; 6. fixing the disc; 7. a drive cartridge; 8. a gear motor; 9. a driven gear; 10. a drive chain; 11. a first gear vertical bar; 12. a second gear vertical rod; 13. a bevel gear; 14. a screw; 15. a nut seat; 16. a connecting frame; 17. a baffle plate; 18. a slider; 19. a slide bar; 20. a clamping seat; 21. a bottom support mechanism; 22. a driving frame; 23. braking the motor; 24. a screw rod; 25. a nut plate; 26. a deflection bar; 27. a transverse plate; 28. a follower block; 29. a support bar; 30. a base plate.

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 obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

Referring to fig. 1-6, an axle strength measuring device includes a workbench 1, a first clamping mechanism 2, a second clamping mechanism 3, and a bottom support mechanism 21, the first clamping mechanism 2 and the bottom support mechanism 21 are fixedly installed on the top of the workbench 1, the second clamping mechanism 3 is slidably connected to the top of the workbench 1, and the first clamping mechanism 2 and the second clamping mechanism 3 are the same in model.

As a specific technical solution of this embodiment, a hydraulic cylinder 4 is fixedly installed inside the workbench 1, an output shaft of the hydraulic cylinder 4 is fixedly installed with a bottom end of the second clamping mechanism 3, a guide wheel 5 is fixedly installed at a bottom of the output shaft of the hydraulic cylinder 4, and a bottom end of the guide wheel 5 is slidably connected with the inside of the workbench 1.

In this embodiment, the hydraulic cylinder 4 drives the second clamping mechanism 3 to slide, so that the distance between the first clamping mechanism 2 and the second clamping mechanism 3 is matched with the length of the shaft part to be clamped.

As a specific technical scheme of this embodiment, second fixture 3 includes fixed disk 6 and drive box 7, fixed mounting between drive box 7 and the fixed disk 6, the inside fixed mounting of drive box 7 has gear motor 8 and rotates and is connected with two driven gear 9, be connected through drive chain 10 transmission between gear motor 8's output shaft and two driven gear 9, the surface rotation of fixed disk 6 is connected with first gear montant 11 and two second gear montants 12, the top of first gear montant 11 and the bottom fixed connection of gear motor 8 output shaft, the top of second gear montant 12 and driven gear 9's bottom fixed connection, the outside of first gear montant 11 and two second gear montants 12 all meshes conical gear 13, the opposite side fixed mounting of conical gear 13 has screw rod 14, the other end fixed mounting of screw rod 14 has baffle 17, and baffle 17 is connected with the surface rotation of fixed disk 6, the outside threaded connection of screw rod 14 has nut seat 15, the outside fixed mounting of nut seat 15 has link 16, the other end fixed mounting of link 16 has centre gripping seat 20, the outside fixed mounting of slide bar 16 has slide bar 18, the outside fixed mounting has slide bar 18 and slide bar 19, slide bar 19 and fixed disk 6's slider connection.

In this embodiment, through setting up first fixture 2 and second fixture 3, utilize pneumatic cylinder 4 can drive second fixture 3 and slide on workstation 1, make the distance between two fixtures adjust according to treating centre gripping axle class part, gear motor 8 among the fixture can drive first gear montant 11 and two driven gear 9 montants respectively simultaneously and rotate, make three grip slipper 20 treat the surface of centre gripping axle class part gradually and fix, make this measuring device can be according to the regulation of actual conditions fixture position, make this measuring device can the different diameter axle class parts of centre gripping.

As a specific technical solution of this embodiment, the bottom support mechanism 21 includes a driving frame 22, a brake motor 23 is fixedly mounted on an inner wall of the driving frame 22, two lead screws 24 are fixedly mounted on an output shaft of the brake motor 23, nut plates 25 are connected to outer sides of the lead screws 24 through threads, a transverse plate 27 is movably connected between top ends of the two nut plates 25 through a deflection rod 26, a support rod 29 is fixedly mounted on a top portion of the transverse plate 27, a bottom plate 30 is fixedly mounted on a top end of the transverse plate 27 through the support rod 29, the bottom plate 30 is located above the driving frame 22, the thread directions of the two lead screws 24 are opposite, follower blocks 28 are fixedly mounted on both sides of the transverse plate 27, and the other end of the follower block 28 is slidably connected with an inner wall of the driving frame 22.

In this embodiment, by setting the bottom supporting mechanism 21, the braking motor 23 is utilized to drive the two lead screws 24 to rotate synchronously, so that the lead screws 24 drive the deflection rods 26 to rotate through the nut plates 25, the transverse plate 27 performs lifting motion in the process of gradually rotating the deflection rods 26, the bottom supporting mechanism 21 can perform auxiliary support on the bottoms of the shaft parts after the shaft parts to be clamped are clamped, and the clamping stability is improved.

The working principle and the using process of the invention are as follows: when the clamping device is used, a shaft part to be clamped is placed between the first clamping mechanism 2 and the second clamping mechanism 3, and the distance between the first clamping mechanism 2 and the second clamping mechanism 3 is adjusted according to the length of the shaft part to be clamped, so that the first clamping mechanism 2 and the second clamping mechanism 3 can clamp two ends of the shaft part to be clamped;

the method comprises the steps that firstly, a hydraulic cylinder 4 is started, the hydraulic cylinder 4 drives a second clamping mechanism 3 to slide, the distance between a first clamping mechanism 2 and a second clamping mechanism 3 is made to be matched with the length of a shaft part to be clamped, two ends of the length of the shaft part to be clamped are respectively inserted into the first clamping mechanism 2 and the second clamping mechanism 3, then the first clamping mechanism 2 and the second clamping mechanism 3 are started, a gear motor 8 rotates, the gear motor 8 drives two driven gears 9 to transmit through a transmission chain 10, the gear motor 8 and the two driven gears 9 respectively drive a first gear vertical rod 11 and two driven gear 9 vertical rods to rotate, the first gear vertical rod 11 and the two driven gear 9 vertical rods can drive a conical gear 13 to rotate, the conical gear 13 drives a screw rod 14 to rotate, the screw rod 14 drives a nut seat 15 to move in the axial direction, the nut seat 15 drives a connecting frame 16 to slide, three clamping seats 20 in the same clamping mechanism are made to gradually move towards the shaft part to be clamped, and the first clamping mechanism 2 and the second clamping mechanism 3 can respectively clamp two ends of the shaft part to be clamped;

after the clamping is completed, the bottom supporting mechanism 21 is started, so that the brake motor 23 drives the two screw rods 24 to rotate, the screw rods 24 drive the nut plates 25 to move in the axial direction, meanwhile, the thread directions of the two screw rods 24 are opposite, the moving directions of the two nut plates 25 are opposite, the directions in which the nut plates 25 drive the deflection rods 26 to deflect angles are opposite, the two deflection rods 26 drive the transverse plate 27 to lift up gradually, the transverse plate 27 drives the bottom plate 30 through the supporting rod 29 to clamp the shaft parts after the clamping is completed, and after the clamping and the auxiliary supporting are completed, a worker can detect the shaft parts by means of a measuring tool.

To sum up, the axle strength measuring device is provided with the first clamping mechanism 2 and the second clamping mechanism 3, the hydraulic cylinder 4 can be used for driving the second clamping mechanism 3 to slide on the workbench 1, so that the distance between the two clamping mechanisms can be adjusted according to the axle parts to be clamped, and meanwhile, the gear motor 8 in the clamping mechanisms can respectively drive the first gear vertical rod 11 and the two driven gear 9 vertical rods to rotate, so that the three clamping seats 20 gradually fix the surfaces of the axle parts to be clamped, the measuring device can be adjusted according to the positions of the clamping mechanisms in actual conditions, and the measuring device can clamp the axle parts with different diameters; through setting up bottom sprag mechanism 21, utilize brake motor 23 to drive two lead screws 24 synchronous rotations, make lead screw 24 drive deflection pole 26 through nut plate 25 and rotate for diaphragm 27 carries out elevating movement at deflection pole 26 pivoted in-process gradually, makes bottom sprag mechanism 21 can treat to carry out the auxiliary stay to its bottom after centre gripping axle class part accomplishes the centre gripping, thereby has improved centre gripping stability.

It should be noted that, in this document, terms such as "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. Without further limitation, an element defined by the phrase "comprising a … …" does not exclude the presence of another identical element in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a be used for axletree intensity measuring device, includes workstation (1), first fixture (2), second fixture (3) and bottom sprag mechanism (21), its characterized in that: the top fixed mounting of workstation (1) has first fixture (2) and bottom sprag mechanism (21), the top sliding connection of workstation (1) has second fixture (3), first fixture (2) are the same with the model of second fixture (3).

2. An axle strength measuring apparatus according to claim 1, wherein: the inside fixed mounting of workstation (1) has pneumatic cylinder (4), the output shaft of pneumatic cylinder (4) and the bottom fixed mounting of second fixture (3), the output shaft bottom fixed mounting of pneumatic cylinder (4) has guide pulley (5), the inside sliding connection of the bottom of guide pulley (5) and workstation (1).

3. An axle strength measuring apparatus according to claim 1, wherein: second fixture (3) are including fixed disk (6) and drive box (7), fixed mounting between drive box (7) and fixed disk (6), the inside fixed mounting of drive box (7) has gear motor (8) and rotates and is connected with two driven gear (9), connect through drive chain (10) transmission between the output shaft of gear motor (8) and two driven gear (9).

4. A device for measuring strength of an axle according to claim 3, wherein: the surface of fixed disk (6) rotates and is connected with first gear montant (11) and two second gear montants (12), the bottom fixed connection of the top of first gear montant (11) and gear motor (8) output shaft, the bottom fixed connection of the top of second gear montant (12) and driven gear (9), the outside of first gear montant (11) and two second gear montants (12) all meshes there is conical gear (13).

5. An axle strength measuring apparatus according to claim 4, wherein: the opposite side fixed mounting of conical gear (13) has screw rod (14), the other end fixed mounting of screw rod (14) has baffle (17), and baffle (17) and the surface rotation of fixed disk (6) are connected, the outside threaded connection of screw rod (14) has nut seat (15), the outside fixed mounting of nut seat (15) has link (16), the other end fixed mounting of link (16) has centre gripping seat (20).

6. An axle strength measuring apparatus according to claim 5, wherein: two sliding blocks (18) are fixedly mounted on the outer side of the connecting frame (16), a sliding rod (19) is fixedly mounted on the outer side of the fixed disc (6), and the sliding blocks (18) are connected with the outer side of the sliding rod (19) in a sliding mode.

7. An axle strength measuring apparatus according to claim 1, wherein: bottom sprag mechanism (21) is including carriage (22), the inner wall fixed mounting of carriage (22) has brake motor (23), the output shaft fixed mounting of brake motor (23) has two lead screws (24), the outside threaded connection of lead screw (24) has nut plate (25), has diaphragm (27) through deflection pole (26) swing joint between the top of two nut plates (25), the top fixed mounting of diaphragm (27) has bracing piece (29), there is bottom plate (30) on the top of diaphragm (27) through bracing piece (29) fixed mounting, bottom plate (30) are located the top of carriage (22).

8. An axle strength measuring apparatus according to claim 7, wherein: the thread directions of the two screw rods (24) are opposite, the two sides of the transverse plate (27) are fixedly provided with follow-up blocks (28), and the other ends of the follow-up blocks (28) are connected with the inner wall of the driving frame (22) in a sliding mode.