CN214090094U

CN214090094U - Wet loader drive axle with high-strength gear pair

Info

Publication number: CN214090094U
Application number: CN202022764046.4U
Authority: CN
Inventors: 赵卫东; 陈加树
Original assignee: Yantai Longhui Metal Products Co ltd
Current assignee: Yantai Longhui Metal Products Co ltd
Priority date: 2020-11-25
Filing date: 2020-11-25
Publication date: 2021-08-31
Anticipated expiration: 2030-11-25

Abstract

The application relates to a wet-type loader drive axle with a high-strength gear pair, which comprises a drive axle housing, wherein a plurality of gear pairs are arranged in the drive axle housing, wheel-side support shafts are fixedly connected at two ends of the drive axle housing, a protection device is arranged outside the wheel-side support shafts and the drive axle housing, the protection device comprises a first shell and a second shell, the first shell comprises a hemispherical spherical shell I, and the rigid coupling is in the semicircular protection tube one of spherical shell both sides, casing two is including a hemispherical spherical shell two, the equal rigid coupling in both ends of spherical shell two has semicircle protection tube two, the global rigid coupling of spherical shell one has lug one, the surperficial rigid coupling of spherical shell two has lug two, the through-hole has all been seted up on a surface of each lug one, the screw hole has all been seted up on the surface of lug two, wear to be equipped with in the through-hole can threaded connection in the bolt of screw hole, this application has the effect that reduces because of the influence of oil leak to the transaxle.

Description

Wet loader drive axle with high-strength gear pair

Technical Field

The application relates to the field of loader drive devices, in particular to a wet type loader drive axle with a high-strength gear pair.

Background

The loader is a kind of earth and stone construction machinery widely used in highway, railway, building, water and electricity, port and mine, and is mainly used for shoveling and loading bulk materials such as soil, gravel, lime and coal, and also for light shoveling and digging of ore and hard soil. The different auxiliary working devices can be replaced to carry out bulldozing, hoisting and other material loading and unloading operations such as wood.

A plurality of gear pairs are arranged in the drive axle to transmit power, the gear pairs in the drive axle are basic structures formed by two meshed bevel gears, the loader moves through the transmission of the drive axle to the power, and the drive axle is usually formed by welding a drive axle housing and two wheel-edge support shafts.

In view of the above-mentioned related art, the inventor believes that oil leakage is likely to occur at the welded position between the transaxle case and the wheel-side support shaft, which reduces the service life of the transaxle.

SUMMERY OF THE UTILITY MODEL

In order to reduce because of the influence of oil leak to the transaxle, the application provides a wet loader transaxle with high strength gear pair.

The application provides a wet loader transaxle with high strength gear pair adopts following technical scheme: the utility model provides a wet-type loader transaxle with high strength gear pair, includes the transaxle shell, be provided with a plurality of gear pairs that drive the transaxle work in the transaxle shell surface and all scribble wear-resistant coating, the equal rigid coupling in both ends of transaxle shell has the round limit back shaft, round limit back shaft with the transaxle shell be provided with a protection device outward, protection device includes casing one and casing two, casing one is including the spherical shell one of half spherical form to and the semicircular protection tube one of rigid coupling in spherical shell one both sides, protection tube one communicates with spherical shell one, casing two is including the spherical shell two of half spherical, the equal rigid coupling in both ends of spherical shell two has the protection tube two of half spherical, protection tube two communicates with spherical shell two, the inboard of spherical shell one and spherical shell two can the butt in the transaxle shell, protection tube one and the inboard of protection tube two can the butt in round limit back shaft, the first bump is fixedly connected to the circumferential surface of the first spherical shell, the second bump is fixedly connected to the surface of the second spherical shell, a through hole is formed in one surface of each first bump, threaded holes are formed in the surface of each second bump, and a bolt capable of being in threaded connection with the threaded holes is arranged in each through hole in a penetrating mode.

Through adopting above-mentioned technical scheme, when installation protection device, pass through the bolt with casing two and screw up, can reduce the lubricating oil leakage of transaxle housing and wheel limit back shaft handing-over position, and a small amount of lubricating oil of leaking, can be difficult for flowing out in protection device, reduce because of the damage of lubricating oil outflow to the transaxle in the transaxle.

Optionally, the first shell and the second shell are both provided with chrome plating on the outer portions.

Through adopting above-mentioned technical scheme, the chromium plating setting can promote the corrosion resistance of casing one and casing two, prolongs the life-span of casing one and casing two.

Optionally, two the protection tube one is kept away from one end each other and two the protection tube two is kept away from the equal rigid coupling in one end each other and is had the sealing ring.

Through adopting above-mentioned technical scheme, the sealing ring can seal between protection tube and the round limit back shaft, avoids round limit back shaft to have lubricating oil to ooze the back and ooze from protection device.

Optionally, the side of each protection tube II is fixedly connected with a convex edge, and the side of each protection tube I is provided with a groove capable of accommodating the convex edge.

Through adopting above-mentioned technical scheme, the cooperation of bead and recess can make casing one and casing two zonulae occludens.

Optionally, the threaded hole penetrates through the second projection, an installation groove is formed in one end, far away from the first projection, of the threaded hole, and a silica gel ring is fixedly connected in the installation groove.

Through adopting above-mentioned technical scheme, after screwing up the bolt, the silica gel ring can promote the frictional force to the bolt, avoids not hard up of bolt.

Optionally, one side of the spherical shell is fixedly connected with a connecting rod made of two elastic materials, two sides of the spherical shell are fixedly connected with a connecting block, slots are formed in two sides of the spherical shell, the connecting rod can be inserted into the slots, and a clamping groove capable of being clamped in the connecting block is formed in each slot.

Through adopting above-mentioned technical scheme, when connecting protection device, can insert the connecting rod earlier and locate the slot in, and make the connecting block joint in the draw-in groove, carry out the initial joint to casing one and casing two, connect the two after good, use the bolt to screw up the connection gradually again.

Optionally, inclined planes are arranged on one sides, away from the connecting rod, of the connecting blocks, and one sides, close to the second shell, of the inclined planes tend to be obliquely arranged towards the connecting rod.

Through adopting above-mentioned technical scheme, the inclined plane can be convenient for insert the connecting rod and locate the slot in, and be convenient for the connecting block slides in the draw-in groove.

Optionally, one side of the connecting rod, which is far away from the connecting block, is fixedly connected with a hanging rope, and one end of the hanging rope extends out of the first shell.

Through adopting above-mentioned technical scheme, when protection device was dismantled to needs, can stimulate the string rope, pull out the connecting block from the draw-in groove, make casing one and two separation of casing.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when the protection device is installed, the first shell and the second shell are screwed through the bolts, so that the leakage of lubricating oil at the joint position of the drive axle housing and the wheel-side support shaft can be reduced, a small amount of leaked lubricating oil is difficult to flow out of the protection device, and the damage to the drive axle caused by the flowing-out of the lubricating oil in the drive axle is reduced;

2. the chromium plating arrangement can improve the corrosion resistance of the first shell and the second shell and prolong the service life of the first shell and the second shell;

3. when connecting protection device, can insert the connecting rod earlier and locate the slot in, and make the connecting block joint in the draw-in groove, carry out the initial joint to casing one and casing two, connect the two after good, gradually use the bolt to screw up the connection again.

Drawings

Fig. 1 is an exploded schematic view showing a transaxle case in the embodiment of the present application.

Fig. 2 is a schematic structural diagram of a first housing in the embodiment of the present application.

Fig. 3 is a schematic structural diagram of a second housing representing a silicone ring in the embodiment of the present application.

Fig. 4 is a partial structural schematic diagram of a second housing representing a card slot in the embodiment of the present application.

Description of reference numerals: 1. a drive axle housing; 11. a wheel edge supporting shaft; 2. a first shell; 21. a first spherical shell; 22. protecting a first tube; 221. a seal ring; 23. a groove; 24. a first bump; 241. a through hole; 242. a bolt; 25. a connecting rod; 251. connecting blocks; 252. hanging a rope; 253. a bevel; 3. a second shell; 31. a second spherical shell; 32. protecting a second tube; 33. a rib; 34. a second bump; 341. a threaded hole; 342. mounting grooves; 343. a silica gel ring; 35. a slot; 351. a card slot; 352. a long groove.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses wet loader transaxle with high strength gear pair.

Referring to fig. 1, wet loader transaxle with high strength gear pair, including globular transaxle 1 and rigid coupling in the global two-wheeled limit back shaft 11 of transaxle, two-wheeled limit back shaft 11 corresponds the axle center position symmetry setting of transaxle 1, is provided with a plurality of surfaces in the transaxle and all scribbles the gear pair (not shown in the figure) that wear-resistant coating drove the transaxle work, can drive the transaxle through the gear rotation in the gear pair and carry out work, and can promote the intensity of gear pair through scribbling wear-resistant coating.

Referring to fig. 1, a protection device is arranged on the outer side of a drive axle housing 1, the protection device comprises a first casing 2 and a second casing 3 which are symmetrically arranged corresponding to the drive axle housing 1 and are provided with chrome-plated surfaces, the first casing 2 comprises a first hemispherical spherical casing 21, the circumferential surface of the first spherical casing 21 is fixedly connected with a first semicircular protection pipe 22 corresponding to the position of a second wheel-side support shaft 11, the axial direction of the first protection pipe 22 is the same as the axial direction of the wheel-side support shaft 11, the two first protection pipes 22 are communicated with the first spherical casing 21, the second casing 3 comprises a second hemispherical casing 31, the circumferential surface of the second spherical casing 31 is fixedly connected with a second semicircular protection pipe 32 corresponding to the position of the first protection pipes 22, the axial direction of the second protection pipe 32 is the same as the axial direction of the wheel-side support shaft 11, the two protection pipes 32 are communicated with the first protection pipe 22, and the inner circumferential surfaces of the first spherical casing 21 and the second casing 31 can be abutted against the outer circumferential surface of the drive axle housing 1, the inner peripheral surfaces of the first protection pipe 22 and the second protection pipe 32 abut against the outer peripheral surface of the wheel edge supporting shaft 11, and when the first shell 2 and the second shell 3 are spliced together, the drive axle housing 1 and the wheel edge supporting shaft 11 can be wrapped, so that the drive axle housing 1 and the wheel edge supporting shaft 11 are protected.

Referring to fig. 1 and 2, the two side edges of the second protection tube 32 close to the first protection tube 22 are fixedly connected with the convex ribs 33, the length direction of the convex ribs 33 is the same as the axial direction of the second protection tube 32, the positions of the two side edges of the first protection tube 22 corresponding to the convex ribs 33 are provided with the grooves 23, and the first shell 2 and the second shell 3 can be quickly aligned and conveniently installed by aligning the convex ribs 33 with the grooves 23.

Referring to fig. 1 and 3, two first protruding blocks 24 are symmetrically arranged on the circumferential surface of the first spherical shell 21, two through holes 241 are formed in the surface of the first protruding blocks 24, the axial direction of the through holes 241 is perpendicular to the axial direction of the wheel-side support shaft 11, a second protruding block 34 is fixedly connected to the circumferential surface of the second spherical shell 31 corresponding to the positions of the two first protruding blocks 24, a threaded hole 341 is formed in one side of the second protruding block 34 close to the first protruding block 24, a mounting groove 342 is formed in a section, away from the first bottom protruding block 24, of the threaded hole 341, which can be in threaded connection with the threaded hole 341, is inserted into the through hole 241, the mounting groove 342 is coaxially arranged with the threaded hole 341, a silicone ring 343 is fixedly connected to the inside of the mounting groove 342, the first casing 2 and the second casing 3 can be fixed to the outer sides of the transaxle casing 1 and the wheel-side support shaft 11 by tightening the bolt 242, so that oil leakage at the connecting position of the transaxle casing 1 and the wheel-side support shaft 11 does not outflow, and loss of lubricating oil is reduced, protect in the transaxle, silica gel ring 343 can play the effect of indentation to the fixed of bolt 242, reduces the influence of vibration to bolt 242.

Referring to fig. 2 and 4, two connecting rods 25 made of elastic material and having length directions perpendicular to the axial direction of the wheel-side support shaft 11 are fixedly connected to the side of the first spherical shell 21 close to the second spherical shell 31, a connecting block 251 is fixedly connected to one end of each connecting rod 25 away from the second spherical shell, a hanging rope 252 is fixedly connected to one side of each connecting rod 25 away from the connecting block 251, one end of the hanging rope 252 can extend out of the first spherical shell 21, slots 35 are formed in the side of the second spherical shell 31 corresponding to the connecting rods 25, the connecting rods 25 can be inserted into the slots 35, slots 351 capable of being clamped with the connecting blocks 251 are formed in the slots 35, elongated slots 352 capable of accommodating the hanging rope 252 are formed in the slots 35 and the slots 351, an inclined surface 253 is formed on one side of the connecting block 251 far from the connecting rod 25, one side of the inclined surface 253 close to the second spherical shell 31 inclines towards the direction of the connecting rod 25, the connecting rod 25 is inserted into the slots 35, the connecting block 251 is clamped in the clamping groove 351, so that the first shell 2 and the second shell 3 can be conveniently and quickly connected, the problem that when the bolt 242 is screwed down, a worker is required to additionally fix the first spherical shell 21 and the second spherical shell 31 at all times is avoided, the hanging rope 252 can extend out of the first spherical shell 21 through the long groove 352, and when the first shell 2 and the second shell 3 are disassembled, the hanging rope 252 can be pulled to drive the connecting rod 25, so that the first shell 2 and the second shell 3 are separated.

Referring to fig. 1, a sealing ring 221 is fixedly connected to each end of the first protection tube 22 and the second protection tube 32 away from each other, and the sealing ring 221 can further reduce outflow of lubricating oil to protect the drive axle.

The implementation principle of the wet loader drive axle with the high-strength gear pair in the embodiment of the application is as follows: give the transaxle installation protective housing when, at first aim at bead 33 and recess 23, insert bead 33 and establish with recess 23 interpolation, connecting rod 25 inserts this moment and establishes in slot 35, connecting block 251 joint is in draw-in groove 351, can carry out preliminary fixed to 2 box casing two 3 of casing, avoid the workman to need carry out extra fixed to casing one 2 and two 3 of casing when twisting bolt 242, wear to locate in through-hole 241 with bolt 242 again, and threaded connection is in screw hole 341, fix casing one 2 and subject two, reduce the loss of transaxle oil leak, the protection transaxle.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a wet loader transaxle with high strength gear is vice, includes transaxle case (1), it all scribbles wear-resistant coating's gear pair to be provided with the surface of a plurality of drive transaxle work in transaxle case (1), the equal rigid coupling in both ends of transaxle case (1) has wheel limit back shaft (11), its characterized in that: the wheel rim supporting shaft (11) and the driving axle housing (1) are externally provided with a protecting device, the protecting device comprises a first shell (2) and a second shell (3), the first shell (2) comprises a first hemispherical spherical shell (21) and a first semicircular protecting tube (22) fixedly connected to two sides of the first spherical shell (21), the first protecting tube (22) is communicated with the first spherical shell (21), the second shell (3) comprises a second hemispherical spherical shell (31), two ends of the second spherical shell (31) are fixedly connected with a second semicircular protecting tube (32), the second protecting tube (32) is communicated with the second spherical shell (31), the inner sides of the first spherical shell (21) and the second spherical shell (31) can be abutted against the driving axle housing (1), the inner sides of the first protecting tube (22) and the second protecting tube (32) can be abutted against the wheel rim supporting shaft (11), and the peripheral surface of the first spherical shell (21) is fixedly connected with a first convex block (24), the surface of the second spherical shell (31) is fixedly connected with a second bump (34), one surface of each first bump (24) is provided with a through hole (241), the surface of each second bump (34) is provided with a threaded hole (341), and a bolt (242) capable of being in threaded connection with the threaded hole (341) penetrates through the through hole (241).

2. The wet loader transaxle with a high strength gear pair of claim 1 wherein: the first shell (2) and the second shell (3) are both provided with chrome plating on the outer portions.

3. The wet loader transaxle with a high strength gear pair of claim 1 wherein: one end of the two first protection tubes (22) and one end of the two second protection tubes (32) are both fixedly connected with a sealing ring (221).

4. The wet loader transaxle with a high strength gear pair of claim 1 wherein: and the side edge of the second protection tube (32) is fixedly connected with a convex edge (33), and the side edge of the first protection tube (22) is provided with a groove (23) capable of accommodating the convex edge (33).

5. The wet loader transaxle with a high strength gear pair of claim 1 wherein: the threaded hole (341) penetrates through the second bump (34), an installation groove (342) is formed in one end, far away from the first bump (24), of the threaded hole (341), and a silica gel ring (343) is fixedly connected into the installation groove (342).

6. The wet loader transaxle with a high strength gear pair of claim 1 wherein: ball shell one (21) side rigid coupling has connecting rod (25) of two elastic materials, two one side rigid coupling of connecting rod (25) has a connecting block (251), slot (35) have been seted up to ball shell two (31) side, connecting rod (25) can be inserted and locate in slot (35), just a draw-in groove (351) that can joint in connecting block (251) have been seted up in slot (35).

7. The wet loader transaxle with a high strength gear pair of claim 6 wherein: inclined planes (253) are formed in one sides, far away from the connecting rods (25), of the connecting blocks (251), and one sides, close to the second shell (3), of the two inclined planes (253) are inclined towards the connecting rods (25).

8. The wet loader transaxle with a high strength gear pair of claim 6 wherein: one side, far away from the connecting block (251), of the connecting rod (25) is fixedly connected with a hanging rope (252), and one end of the hanging rope (252) extends out of the first shell (2).