阅读说明：本技术 一种车桥用液压脉动疲劳试验装置 (Hydraulic pulsation fatigue test device for axle ) 是由 牛家忠 邾枝润 李兆杰 张海波 丁飞 于 2021-07-12 设计创作，主要内容包括：本发明公开一种车桥用液压脉动疲劳试验装置,包括支撑座和脉冲头,所述脉冲头活动安装在支撑座的上部,所述支撑座的上部固定套接有龙门固定架,所述支撑座包括第一卡座和第二卡座,所述第二卡座活动安装在第一卡座的一侧,且第一卡座和第二卡座之间活动套接有第一伸缩板,所述支撑座的上部固定安装有两组轴头夹具；利用升降架驱动脉冲头下移,令脉冲头插入至龙门固定架的圆形槽口中,使得脉冲头的一端顶在车桥上,通过液压缸配合油管驱动脉冲头,令脉冲头对车桥进行测试操作,利用支撑座和第一伸缩板的设置,使得该车桥用液压脉动疲劳试验装置具有固定调节结构,便于其适用不同型号的车桥,提升其适用范围。(The invention discloses a hydraulic pulse fatigue test device for an axle, which comprises a supporting seat and a pulse head, wherein the pulse head is movably arranged at the upper part of the supporting seat, the upper part of the supporting seat is fixedly sleeved with a gantry fixing frame, the supporting seat comprises a first clamping seat and a second clamping seat, the second clamping seat is movably arranged at one side of the first clamping seat, a first expansion plate is movably sleeved between the first clamping seat and the second clamping seat, and the upper part of the supporting seat is fixedly provided with two groups of axle head clamps; utilize crane drive pulse head to move down, make pulse head insert to the circular notch of longmen mount for pulse head's one end top is on the axle, through pneumatic cylinder cooperation oil pipe drive pulse head, makes pulse head carry out test operation to the axle, utilizes the setting of supporting seat and first expansion plate, makes this hydraulic pressure pulsation fatigue test device for axle have fixed regulation structure, is convenient for its axle that is suitable for different models, promotes its application scope.)

1. The utility model provides a hydraulic pressure pulsation fatigue test device for axle, includes supporting seat (1) and pulse head (7), pulse head (7) movable mounting is on the upper portion of supporting seat (1), its characterized in that, longmen mount (2) have been cup jointed to the upper portion of supporting seat (1) is fixed, supporting seat (1) is including first cassette (10) and second cassette (13), second cassette (13) movable mounting is in one side of first cassette (10), and has cup jointed first expansion plate (11) between first cassette (10) and second cassette (13) the activity, the upper portion fixed mounting of supporting seat (1) has two sets of spindle nose anchor clamps (16), the bottom surface fixed mounting of supporting seat (1) has PMKD (3).

2. The hydraulic pulsation fatigue test device for the axle according to claim 1, wherein the gantry fixing frame (2) comprises two groups of fixed foot frames (17) and two butt-joint sleeve plates (18), a circular notch is formed in the middle position of the inner side of each butt-joint sleeve plate (18) in a penetrating mode, the fixed foot frames (17) are movably installed at two ends of each butt-joint sleeve plate (18), a second expansion plate (20) is sleeved between each fixed foot frame (17) and each butt-joint sleeve plate (18), and a supporting block (19) is fixedly installed at the bottom of each fixed foot frame (17).

3. The hydraulic pulsation fatigue test device for the axle according to claim 2, wherein the outer surfaces of both ends of the second expansion plate (20) and the first expansion plate (11) are fixedly provided with a limit snap-gauge (14), the side edges of the second expansion plate (20) and the first expansion plate (11) are provided with limit sliding grooves (22), and the outer surfaces of the second expansion plate (20) and the first expansion plate (11) are provided with two sets of sliding casters (21).

4. The hydraulic pulsation fatigue test device for the axle according to claim 1, wherein portal frames (8) are arranged on two sides of the pulse head (7), the pulse head (7) and the portal frames (8) are movably connected through the crane (6), and a lifting chute is formed in the outer surface of the side edge of the portal frame (8).

5. The hydraulic pulse fatigue test device for the axle according to claim 4, wherein a hydraulic cylinder (4) is installed on one side of the portal frame (8), and an oil pipe (5) is arranged between the hydraulic cylinder (4) and the pulse head (7).

6. The hydraulic pulsation fatigue test device for the axle according to claim 1, wherein a fixed fixture block (15) is fixedly sleeved on the upper portion of the spindle nose clamp (16), semicircular notches are formed in the inner sides of the spindle nose clamp (16) and the fixed fixture block (15), and the spindle nose clamp (16) and the fixed fixture block (15) are fixed through bolts.

7. The hydraulic pulsation fatigue test device for the axle according to claim 1, wherein a plurality of sets of butt joint clamping grooves (9) are formed in the inner side of the upper portion of the fixed base plate (3), the fixed base plate (3) and the support base (1) are fixed in a butt joint mode through the butt joint clamping grooves (9), and fixing clamping bolts (12) are sleeved on the side edges of the first clamping seat (10), the second clamping seat (13) and the fixed foot rest (17).

Technical Field

The invention belongs to the technical field of axle testing, and particularly relates to a hydraulic pulsation fatigue testing device for an axle.

Background

The automobile axle (also called axle) is connected with the frame (or the bearing type automobile body) through the suspension, wheels are arranged at two ends of the automobile axle, and the axle is used for bearing the load of the automobile and maintaining the normal running of the automobile on a road.

The utility model discloses a utility model document that patent number CN211668766U discloses an axle testing arrangement, the on-line screen storage device comprises a base, the top sliding connection of base has two movable supports, the one end that movable support kept away from the base is connected with the fixed plate, the top of fixed plate is connected with the working tube, the sliding connection piston of working tube inner wall, piston outer wall connection has first elastic element, first elastic element connects between piston outer wall and working tube inner wall, the piston outer wall is connected with the straight-bar, the working tube outer wall is connected with second elastic element, the one end that second elastic element kept away from the working tube is connected with the hinge lever, the outer wall at working tube and straight-bar is connected respectively at the both ends of hinge lever, compare with the present invention, it does not have fixed regulation structure, the flexibility when having reduced its use.

The traditional hydraulic pulse fatigue testing device for the axle has no fixed adjusting structure, and when the traditional hydraulic pulse fatigue testing device is used for testing different types of axles, different types of supporting seats need to be replaced for the hydraulic pulse fatigue testing device, so that the application range of the hydraulic pulse fatigue testing device is reduced, and the hydraulic pulse fatigue testing device cannot be suitable for axle structures of different types; secondly, traditional hydraulic pressure pulsation fatigue test device does not have the auxiliary control structure, has increased its degree of difficulty when adjusting the operation, and the axle of different models is suitable for to unable fine, brings certain adverse effect for the user.

Disclosure of Invention

The invention aims to provide a hydraulic pulsation fatigue test device for an axle, which can solve the existing problems.

The invention solves the problems that:

1. the hydraulic pulsation fatigue test device of the traditional equipment does not have a fixed adjusting structure, and cannot be suitable for frames of different models, so that the application range of the hydraulic pulsation fatigue test device is reduced;

2. the traditional hydraulic pressure pulsation fatigue test device does not have an auxiliary adjusting structure, and the difficulty in adjusting operation is increased.

The purpose of the invention can be realized by the following technical scheme:

the utility model provides a hydraulic pressure pulsation fatigue test device for axle, includes supporting seat and pulse head, pulse head movable mounting is on the upper portion of supporting seat, the fixed gantry fixing frame that has cup jointed in upper portion of supporting seat, the supporting seat includes first cassette and second cassette, second cassette movable mounting is in one side of first cassette, and the activity has cup jointed first expansion plate between first cassette and the second cassette, the upper portion fixed mounting of supporting seat has two sets of spindle nose anchor clamps, the bottom fixed surface of supporting seat installs PMKD.

According to a further technical scheme of the invention, the gantry fixing frame comprises two groups of fixed foot frames and two opposite sleeve plates, a circular notch is formed in the middle position of the inner side of each opposite sleeve plate in a penetrating mode, the fixed foot frames are movably mounted at two ends of each opposite sleeve plate, a second expansion plate is sleeved between each fixed foot frame and the corresponding opposite sleeve plate, a supporting block is fixedly mounted at the bottom of each fixed foot frame, and the fixed foot frames can be pulled to draw out the second expansion plates from the space between the fixed foot frames and the opposite sleeve plates by means of the arrangement of the second expansion plates when the fatigue test device is used for testing and operating different types of axles, so that the service length of the gantry fixing frame is adjusted, and the gantry fixing frame can be correspondingly adjusted according to the lengths of the axles.

According to a further technical scheme of the invention, the outer surfaces of two ends of the second expansion plate and the first expansion plate are fixedly provided with limiting clamping plates, the side edges of the second expansion plate and the first expansion plate are respectively provided with a limiting sliding chute, the outer surfaces of the second expansion plate and the first expansion plate are respectively provided with two groups of sliding trundles, and the arrangement of the sliding trundles can effectively reduce the friction force during the expansion and contraction adjustment operation of the second expansion plate and the first expansion plate, so that the second expansion plate and the first expansion plate can be used more smoothly, and meanwhile, the falling-off phenomenon of the second expansion plate and the first expansion plate can be avoided by the arrangement of the limiting clamping plates.

According to the further technical scheme, two sides of the pulse head are provided with portal frames, the pulse head is movably connected with the portal frames through the lifting frames, the outer surface of the side edge of each portal frame is provided with a lifting chute, the portal frames drive the lifting frames in a hydraulic mode, so that the lifting frames can drive the pulse head to move up and down, the pulse head is inserted into a circular notch of the butt-joint sleeve plate after moving, and hydraulic pulsation fatigue testing of the mounted axle structure is facilitated.

As a further technical scheme of the invention, a hydraulic cylinder is installed on one side of the portal frame, an oil pipe is arranged between the hydraulic cylinder and the pulse head, and the hydraulic cylinder is used for providing power for the pulse head through the oil pipe, so that the pulse head moves downwards to test the axle structure.

According to the further technical scheme, the upper portion of the spindle head clamp is fixedly sleeved with the fixing clamping block, the inner sides of the spindle head clamp and the fixing clamping block are respectively provided with the semicircular notches, the spindle head clamp and the fixing clamping block are fixed through bolts, the spindle head clamp is matched with the fixing clamping block, and spindle head structures at two ends of the axle can be fixed after the axle is installed.

According to a further technical scheme of the invention, a plurality of groups of butt joint clamping grooves are formed in the inner side of the upper part of the fixed bottom plate, the fixed bottom plate and the supporting seat are in butt joint and fixed through the butt joint clamping grooves, fixed clamping bolts are sleeved on the side edges of the first clamping seat, the second clamping seat and the fixed foot rest, the first expansion plate and the second expansion plate can be locked and fixed after being pulled out by the aid of the fixed clamping bolts, meanwhile, bolts are inserted between the fixed bottom plate and the supporting seat, and the bolts are matched with the butt joint clamping grooves, so that the supporting seat can be fixed in installation.

The invention has the beneficial effects that:

1. by arranging the supporting seat and the first expansion plate, when the hydraulic pulsation fatigue test device for the axle is used, a user can loosen the first clamping seat, the second clamping seat and the first expansion plate by rotating the fixed clamping bolt according to the length of an axle structure, when the axle is installed, the first expansion plate is pulled out from between the first clamping seat and the second clamping seat by pulling the first clamping seat and the second clamping seat at the two ends of the supporting seat, so that the using length of the supporting seat is adjusted, the distance between the two groups of axle head clamps on the supporting seat is adjusted at the same time, so that the two groups of axle head clamps can fixedly install axle head with different lengths, the axle heads at the two ends of the axle are respectively clamped on the two groups of axle head clamps by the user, meanwhile, the fixed clamping blocks are installed on the axle head clamps by bolts, the installation and fixation operation of the axle head at the two ends of the axle is completed, and the axle is installed on the supporting seat, after installing the longmen mount on the supporting seat, utilize the crane drive pulse head to move down, make the pulse head insert to the circular notch of longmen mount in for the one end of pulse head pushes up on the axle, through pneumatic cylinder cooperation oil pipe drive pulse head, make the pulse head carry out test operation to the axle, utilize the setting of supporting seat and first expansion plate, make this hydraulic pressure pulsation fatigue test device for axle have fixed regulation structure, be convenient for its axle that is suitable for different models, promote its application scope.

2. Through setting up longmen mount and second expansion plate, when this hydraulic pressure pulsation fatigue test device for axle used, the user is through the fixed foot rest of pulling longmen mount both ends, can take the second expansion plate out from the inboard of fixed foot rest, adjust the whole use length of longmen mount, when the longmen mount is installed the operation, make the longmen mount can be according to the supporting seat after the adjustment, do corresponding length adjustment operation, promote the flexibility when it uses, install the longmen mount on the supporting seat, through supporting shoe cooperation bolt, accomplish the fixed operation to the longmen mount, utilize the setting of slip truckle simultaneously, frictional force when can reducing first expansion plate and second expansion plate and use, make the regulation operation of longmen mount and supporting seat more laborsaving, make it have supplementary regulation structure, high durability and convenient use.

Drawings

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

Fig. 1 is a schematic overall structure diagram of a hydraulic pulsation fatigue test device for an axle according to the present invention.

FIG. 2 is an overall structure diagram of a support seat in the hydraulic pulsation fatigue testing device for an axle according to the present invention.

FIG. 3 is an overall structure diagram of a gantry fixing frame in the hydraulic pulsation fatigue testing device for the axle.

Fig. 4 is an overall configuration diagram of a first expansion plate in the hydraulic pulsation fatigue test apparatus for an axle according to the present invention.

In the figure: 1. a supporting seat; 2. a gantry fixing frame; 3. fixing the bottom plate; 4. a hydraulic cylinder; 5. an oil pipe; 6. a lifting frame; 7. a pulse head; 8. a gantry; 9. butting the clamping grooves; 10. a first card holder; 11. a first expansion plate; 12. fixing the clamping bolt; 13. a second card holder; 14. a limiting clamping plate; 15. fixing the fixture block; 16. a shaft head clamp; 17. fixing a foot rest; 18. butting sleeve plates; 19. a support block; 20. a second expansion plate; 21. a sliding caster; 22. and a limiting sliding groove.

Detailed Description

To further illustrate the technical means and effects of the present invention adopted to achieve the predetermined objects, the following detailed description of the embodiments, structures, features and effects according to the present invention will be made with reference to the accompanying drawings and preferred embodiments.

As shown in fig. 1-4, a hydraulic pulsation fatigue test device for an axle comprises a supporting seat 1 and a pulse head 7, wherein the pulse head 7 is movably mounted on the upper portion of the supporting seat 1, a gantry fixing frame 2 is fixedly sleeved on the upper portion of the supporting seat 1, the supporting seat 1 comprises a first clamping seat 10 and a second clamping seat 13, the second clamping seat 13 is movably mounted on one side of the first clamping seat 10, a first expansion plate 11 is movably sleeved between the first clamping seat 10 and the second clamping seat 13, two groups of spindle head fixtures 16 are fixedly mounted on the upper portion of the supporting seat 1, and a fixing bottom plate 3 is fixedly mounted on the outer surface of the bottom of the supporting seat 1.

Example 1

The gantry fixing frame 2 comprises fixed foot frames 17 and butt joint sleeve plates 18, circular notches are formed in the middle positions of the inner sides of the butt joint sleeve plates 18 in a penetrating mode, the number of the fixed foot frames 17 is two, the fixed foot frames 17 are movably mounted at two ends of the butt joint sleeve plates 18, second expansion plates 20 are sleeved between the fixed foot frames 17 and the butt joint sleeve plates 18, supporting blocks 19 are fixedly mounted at the bottoms of the fixed foot frames 17, the second expansion plates 20 are arranged, when the fatigue test device is used for testing and operating axles of different models, the fixed foot frames 17 can be pulled, the second expansion plates 20 are pulled out from the space between the fixed foot frames 17 and the butt joint sleeve plates 18, the service length of the gantry fixing frame 2 is adjusted, and the gantry fixing frame 2 can be correspondingly adjusted according to the lengths of the axles.

The equal fixed mounting in both ends surface of second expansion plate 20 and first expansion plate 11 has spacing cardboard 14, spacing spout 22 has all been seted up to the side of second expansion plate 20 and first expansion plate 11, the surface of second expansion plate 20 and first expansion plate 11 all is provided with two sets of slip truckles 21, utilize the setting of slip truckle 21, frictional force when can effectively reduce second expansion plate 20 and the flexible regulation operation of first expansion plate 11, make the use of second expansion plate 20 and first expansion plate 11 more smooth, utilize spacing cardboard 14's setting simultaneously, can avoid second expansion plate 20 and first expansion plate 11 the obscission to appear.

Example 2

Pulse head 7's both sides are provided with portal frame 8, through crane 6 swing joint between pulse head 7 and the portal frame 8, the lift spout has been seted up to portal frame 8's side surface, portal frame 8 utilizes hydraulic pressure mode drive crane 6 for crane 6 can drive pulse head 7 and reciprocate, thereby makes pulse head 7 insert after removing to the circular notch of butt joint lagging 18 in, conveniently carries out hydraulic pressure pulsation fatigue test to its axle structure after the installation.

Pneumatic cylinder 4 is installed to one side of portal frame 8, is equipped with oil pipe 5 between pneumatic cylinder 4 and the pulse head 7, utilizes pneumatic cylinder 4 to provide power for pulse head 7 through oil pipe 5 for pulse head 7 moves down, tests the operation to the axle structure.

The upper portion of spindle nose anchor clamps 16 is fixed to be cup jointed fixed fixture block 15, and the inboard of spindle nose anchor clamps 16 and fixed fixture block 15 has all seted up semi-circular notch, passes through the bolt fastening between spindle nose anchor clamps 16 and the fixed fixture block 15, utilizes spindle nose anchor clamps 16 cooperation fixed fixture block 15, can be after the axle installation, fixes the operation to the spindle nose structure at axle both ends.

A plurality of groups of butt joint draw-in grooves 9 have been seted up to PMKD 3's upper portion inboard, and it is fixed to dock through butt joint draw-in grooves 9 between PMKD 3 and the supporting seat 1, first cassette 10, fixing clip 12 has all been cup jointed to the side of second cassette 13 and fixed foot rest 17, utilize the setting of fixing clip 12, can take the back out at first expansion plate 11 and second expansion plate 20, lock fixed operation to it, insert the bolt simultaneously between PMKD 3 and supporting seat 1, cooperation butt joint draw-in groove 9, can play the fixed action to the installation of supporting seat 1.

When the hydraulic pulsation fatigue test device for the axle is used, a support seat 1 and a first expansion plate 11 are arranged, when the hydraulic pulsation fatigue test device for the axle is used, a user can loosen a first clamping seat 10, a second clamping seat 13 and the first expansion plate 11 by rotating a fixed clamping bolt 12 according to the length of an axle structure, when the axle is installed, the first expansion plate 11 is pulled out from between the first clamping seat 10 and the second clamping seat 13 by pulling the first clamping seat 10 and the second clamping seat 13 at two ends of the support seat 1, so that the use length of the support seat 1 is adjusted, meanwhile, the distance between two groups of shaft head fixtures 16 on the support seat 1 is adjusted, so that the two groups of shaft head fixtures 16 can be fixedly installed on axle heads with different lengths, the user respectively clamps the shaft heads at two ends of the axle on the two groups of shaft head fixtures 16, and simultaneously installs a fixed fixture block 15 on the shaft head fixtures 16 by utilizing bolts, accomplish the installation fixed operation to axle both ends spindle nose, make the axle install on supporting seat 1, install longmen mount 2 backs on supporting seat 1, utilize crane 6 drive pulse head 7 to move down, make pulse head 7 insert in the circular notch of longmen mount 2, make the one end top of pulse head 7 on the axle, drive pulse head 7 through pneumatic cylinder 4 cooperation oil pipe 5, make pulse head 7 carry out test operation to the axle, utilize supporting seat 1 and first expansion plate 11's setting, make this hydraulic pressure pulsation fatigue test device for axle have fixed regulation structure, be convenient for its axle that is suitable for different models, promote its application scope.

By arranging the gantry fixing frame 2 and the second expansion plate 20, when the hydraulic pulsation fatigue test device for the axle is used, a user can pull the fixing foot stands 17 at the two ends of the gantry fixing frame 2 to draw the second expansion plate 20 out of the inner sides of the fixing foot stands 17 to adjust the overall using length of the gantry fixing frame 2, when the gantry fixing frame 2 is installed, the gantry fixing frame 2 can perform corresponding length adjustment operation according to the adjusted supporting seat 1 to improve the flexibility of the gantry fixing frame in use, the gantry fixing frame 2 is installed on the supporting seat 1, the fixing operation of the gantry fixing frame 2 is completed by matching bolts through the supporting blocks 19, and meanwhile, by utilizing the arrangement of the sliding caster wheels 21, the friction force when the first expansion plate 11 and the second expansion plate 20 are used can be reduced, so that the adjusting operation of the gantry fixing frame 2 and the supporting seat 1 is more labor-saving, and the gantry fixing frame has an auxiliary adjusting structure, is convenient to use.

Although the present invention has been described with reference to the preferred embodiments, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.