CN211222906U

CN211222906U - Novel differential drive wheel

Info

Publication number: CN211222906U
Application number: CN201922140882.2U
Authority: CN
Inventors: 张国治
Original assignee: Jiangsu Zhiyuan Precision Technology Co ltd
Current assignee: Jiangsu Zhiyuan Precision Technology Co ltd
Priority date: 2019-12-03
Filing date: 2019-12-03
Publication date: 2020-08-11
Anticipated expiration: 2029-12-03

Abstract

The utility model discloses a novel differential drive wheel, its structure includes the main drive bevel gear pole, this differential drive wheel, through having set up anti-drop installation mechanism between drive bevel gear pivot and the drive wheel, original connection mounting means has been changed through anti-drop installation mechanism, it is more convenient to make the in-process of dismantlement and installation, reduce the work load of dismantling, improve maintenance efficiency, keep on same centre of circle through the effectual axle center that will drive bevel gear pivot and drive wheel of direction fixture block simultaneously, avoid the axle center skew, ensure that the drive wheel rotates normal pivoted efficiency.

Description

Novel differential drive wheel

Technical Field

The utility model relates to a differential wheel technical field, concretely relates to novel differential drive wheel.

Background

A differential gear train is a gear train having two or more degrees of freedom, i.e. a gear train having two or more corresponding prime mover members, which may be constituted by gears or tie rods, all of whose centre wheels are "planetary gear trains" rotatable about an axis, for distributing the rotation of one shaft to two shafts, or for combining the rotation of two shafts into the rotation of one shaft, e.g. a differential gear train for rear wheels of a vehicle.

Because the connection between current differential gear and the drive wheel adopts the screw fixation, in the in-process of dismantling the maintenance, it is comparatively loaded down with trivial details, increase work load to differential gear and drive wheel are when carrying out long-time rotation, and the screw of junction takes place to become flexible easily, leads to the axle center skew between differential gear and the drive wheel, causes the drive wheel to rotate normal pivoted efficiency and reduces.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to overcome the prior art not enough, present a novel differential drive wheel, solved because the connection between current differential gear and the drive wheel adopts the screw fixation, at the in-process of dismantling the maintenance, comparatively loaded down with trivial details, increase work load to differential gear and drive wheel are when carrying out long-time rotation, and the screw of junction takes place to become flexible easily, leads to the axle center skew between differential gear and the drive wheel, causes the problem of the normal pivoted efficiency reduction of drive wheel rotation.

(II) technical scheme

The utility model discloses a following technical scheme realizes: the utility model provides a novel differential driving wheel, which comprises a main driving bevel gear rod and an anti-drop installation mechanism, wherein the main driving bevel gear rod is penetrated inside a connecting cylinder by clearance fit, the anti-drop installation mechanism is installed between a driving bevel gear rotating shaft and a driving wheel, the anti-drop installation mechanism comprises a guide fixture block, a connecting plate, an embedded fixture block, a rotating locking plate, a pulling rod and a fixed clamping mechanism, the guide fixture block is fixedly installed on the inner shaft center of the driving wheel, the guide fixture block is embedded and installed inside the end of the driving bevel gear rotating shaft by clearance fit, the connecting plate is fixed with the left side surface of the driving wheel, the left end of the connecting plate is provided with the embedded fixture block, the embedded fixture block is embedded and installed inside the driving bevel gear rotating shaft, the driving bevel gear rotating shaft is penetrated inside the connecting plate by clearance fit, the end of the rotating locking plate is, the utility model discloses a locking mechanism, including rotation locking piece, arm-tie, pull plate, pull rod, fixed screens mechanism lower extreme and the inside counterbalance of drive bevel gear pivot, rotation locking piece left end and the laminating of arm-tie left side surface mutually, the arm-tie is installed on connecting plate left side surface, the arm-tie is fixed with the pull rod left end, the pull rod adopts clearance fit to run through inside the connecting plate, the pull rod is terminal to be articulated with fixed screens mechanism upper end, fixed screens mechanism lower.

Furthermore, a connecting cylinder is fixed with the side face of the fixing plate, the fixing plate is fixed with the outside of the differential gear shell through a fixing screw, the connecting cylinder is communicated with the differential gear shell, an auxiliary driving bevel gear rod penetrates through the inside of the differential gear shell, the tail end of the main driving bevel gear rod is meshed with the head end of the driving bevel gear rotating shaft, the tail end of the auxiliary driving bevel gear rod is meshed with the head end of the driving bevel gear rotating shaft, and the tail end of the driving bevel gear rotating shaft is fixed with the driving wheel.

Further, fixed screens mechanism includes skew pole group, connection diaphragm, screens pole, nose bar, reset spring and fixed deflector, skew pole group upper end is articulated mutually with the pull rod end, skew pole group lower extreme is articulated mutually with being connected the diaphragm, it is equipped with the screens pole to connect the diaphragm lower extreme, the screens pole adopts clearance fit to run through inside driving bevel gear pivot, it is fixed mutually with the nose bar lower extreme to connect the diaphragm, the nose bar runs through inside reset spring, reset spring upper end and fixed deflector lower surface are fixed mutually, the nose bar upper end adopts clearance fit to run through inside fixed deflector, fixed deflector fixed mounting is on connecting plate right side surface.

Furthermore, the direction fixture block is the cylinder structure to drive bevel gear pivot end and be equipped with the cylinder recess, direction fixture block size and the inside recess phase-match of drive bevel gear pivot.

Furthermore, the embedded clamping blocks are two in number and are respectively arranged at the upper end and the lower end of the connecting plate.

Furthermore, the rotating locking pieces are provided with two rotating locking pieces which are of vertically symmetrical structures and are respectively attached to the upper end and the lower end of the left side surface of the pulling plate.

Furthermore, the fixed clamping mechanisms are totally two and are respectively arranged at the upper end and the lower end of the rotating shaft of the driving bevel gear, and the head ends of the two fixed clamping mechanisms are respectively hinged with the two pull rods.

Furthermore, the convex rod is of a cylindrical structure, a cylindrical through hole is formed in the fixed guide plate, and the diameter of the convex rod is matched with the through hole in the fixed guide plate.

Further, the embedded fixture block is made of No. 45 steel.

Furthermore, the return spring is made of alloy spring steel.

(III) advantageous effects

Compared with the prior art, the utility model, following beneficial effect has:

in order to solve the problems that the existing differential gear and the driving wheel are fixed by screws, the process of disassembly and maintenance is complicated, the workload is increased, and when the differential gear and the driving wheel rotate for a long time, the screw at the connecting part is easy to loosen, so that the axle center between the differential gear and the driving wheel is deviated, and the efficiency of the normal rotation of the driving wheel is reduced, the anti-drop installation mechanism is arranged between the driving bevel gear rotating shaft and the driving wheel, the original connection installation mode is changed through the anti-drop installation mechanism, so that the disassembly and assembly processes are more convenient, the disassembly workload is reduced, the maintenance efficiency is improved, meanwhile, the axes of the bevel gear driving shaft and the driving wheel are effectively kept on the same circle center through the guide clamping block, so that the axis deviation is avoided, and the normal rotating efficiency of the driving wheel is ensured.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic top view of the differential driving wheel of the present invention;

fig. 3 is a schematic view of the internal structure of the anti-drop mounting mechanism of the present invention;

fig. 4 is a schematic view of a partially enlarged structure at a position a of the anti-falling off mounting mechanism of the present invention;

fig. 5 is a schematic view of a partial three-dimensional structure of the fixing and positioning mechanism of the present invention.

In the figure: the bevel gear driving mechanism comprises a main driving bevel gear rod-1, a connecting cylinder-2, a fixing plate-3, a fixing screw-4, a differential gear shell-5, an auxiliary driving bevel gear rod-6, a driving bevel gear rotating shaft-7, a driving wheel-8, an anti-falling mounting mechanism-9, a guide clamping block-91, a connecting plate-92, an embedded clamping block-93, a rotating locking plate-94, a pulling plate-95, a pulling rod-96, a fixed clamping mechanism-97, a deflection rod group-971, a connecting transverse plate-972, a clamping rod-973, a convex rod-974, a return spring-975 and a fixed guide plate-976.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, the present invention provides a novel differential driving wheel: the anti-falling mechanism comprises a main driving bevel gear rod 1 and an anti-falling mounting mechanism 9, wherein the main driving bevel gear rod 1 penetrates through the inside of a connecting cylinder 2 in a clearance fit manner, the anti-falling mounting mechanism 9 is mounted between a driving bevel gear rotating shaft 7 and a driving wheel 8, the anti-falling mounting mechanism 9 comprises a guide clamping block 91, a connecting plate 92, an embedded clamping block 93, a rotating locking piece 94, a pulling plate 95, a pulling rod 96 and a fixed clamping mechanism 97, the guide clamping block 91 is fixedly mounted on the inner shaft center of the driving wheel 8, the guide clamping block 91 is embedded inside the tail end of the driving bevel gear rotating shaft 7 in a clearance fit manner, the connecting plate 92 is fixed with the left side surface of the driving wheel 8, the left end of the connecting plate 92 is provided with the embedded clamping block 93, the embedded clamping block 93 is embedded inside the driving bevel gear rotating shaft 7 to perform preliminary guide clamping, the driving bevel gear rotating shaft 7, the left end of the rotary locking piece 94 is attached to the left side surface of the pulling plate 95, so that the rotary locking piece 94 fixes the pulling plate 95, the pulling plate 95 is installed on the left side surface of the connecting plate 92, the pulling plate 95 is fixed to the left end of the pulling rod 96, the pulling rod 96 penetrates through the connecting plate 92 in a clearance fit mode, the tail end of the pulling rod 96 is hinged to the upper end of the fixed clamping mechanism 97, and the lower end of the fixed clamping mechanism 97 is abutted to the inside of the rotating shaft 7 of the drive bevel gear.

The connecting cylinder 2 is fixed to the side face of the fixing plate 3, the fixing plate 3 is fixed to the outside of the differential gear shell 5 through a fixing screw 4, the connecting cylinder 2 is communicated with the differential gear shell 5, an auxiliary driving bevel gear rod 6 penetrates through the inside of the differential gear shell 5, the tail end of the main driving bevel gear rod 1 is meshed with the head end of a driving bevel gear rotating shaft 7, the tail end of the auxiliary driving bevel gear rod 6 is meshed with the head end of the driving bevel gear rotating shaft 7, and the tail end of the driving bevel gear rotating shaft 7 is fixed to a driving wheel 8.

Wherein, fixed screens mechanism 97 includes skew pole group 971, connects diaphragm 972, screens pole 973, nose bar 974, reset spring 975 and fixed deflector 976, skew pole group 971 upper end is terminal articulated mutually with pull rod 96, skew pole group 971 lower extreme is articulated mutually with being connected diaphragm 972, it is equipped with screens pole 973 to connect the diaphragm 972 lower extreme, screens pole 973 adopts clearance fit to run through inside driving bevel gear pivot 7, it is fixed mutually with the nose bar 974 lower extreme to connect diaphragm 972, nose bar 974 runs through inside reset spring 975, makes nose bar 974 carry out automatic re-setting through reset spring 975, reset spring 975 upper end is fixed mutually with fixed deflector 976 lower surface, inside nose bar 974 upper end adopts clearance fit to run through fixed deflector 976, fixed deflector 976 fixed mounting is on 92 right side surface.

The guide clamping block 91 is of a cylindrical structure, a cylindrical groove is formed in the tail end of the drive bevel gear rotating shaft 7, the size of the guide clamping block 91 is matched with that of the inner groove of the drive bevel gear rotating shaft 7, and the guide clamping block is favorable for better aligning the drive bevel gear rotating shaft 7 to the axis of the drive wheel 8.

Wherein, two are established altogether to the embedding fixture block 93, install both ends about connecting plate 92 respectively, do benefit to and play the effect of carrying out preliminary direction screens.

The two rotation locking pieces 94 are arranged, are of a vertically symmetrical structure, and are respectively attached to the upper end and the lower end of the left side surface of the pulling plate 95, so that the pulling plate 95 can be prevented from moving better.

Wherein, fixed screens mechanism 97 is equipped with two altogether, installs both ends about driving bevel gear pivot 7 respectively, and two fixed screens mechanism 97 head ends are articulated mutually with two pull rods 96 respectively, do benefit to play better and carry out the effect fixed with drive wheel 8 and drive bevel gear pivot 7.

Wherein, the nose bar 974 is the cylinder structure, and fixed deflector 976 is inside to be equipped with the cylinder through-hole to the diameter of nose bar 974 and the inside through-hole phase-match of fixed deflector 976 do benefit to and play the effect that the nose bar 974 carries out vertical migration inside fixed deflector 976.

The embedded fixture block 93 is made of 45 # steel, and has the advantage of high strength.

The return spring 975 is made of alloy spring steel, and has the advantage of high corrosion resistance.

The alloy spring steel is a steel grade for manufacturing springs or other elastic parts, the springs generally work under alternating stress, and the common failure mode is fatigue failure, so the alloy spring steel must have high yield point and yield ratio, elastic limit and fatigue resistance so as to ensure that the springs have enough elastic deformation capacity and can bear larger load, and meanwhile, the alloy spring steel also needs to have certain plasticity and toughness and certain hardenability, is not easy to decarbonize and is not easy to overheat.

The working principle is as follows: before use, the differential driving wheel is firstly arranged at a proper position and is connected with an external driving rotating shaft through a main driving bevel gear rod 1; when the bevel gear auxiliary driving device is used, in the first step, the main driving bevel gear rod 1 is driven to rotate through an external driving rotating shaft, and at the moment, the two driving bevel gear rotating shafts 7 meshed with the main driving bevel gear rod 1 rotate along with the main driving bevel gear rod, so that the driving wheel 8 rotates, and meanwhile, the auxiliary driving bevel gear rod 6 also rotates along with the auxiliary driving bevel gear rod; secondly, when the driving wheel 8 needs to be detached for maintenance, the rotating locking piece 94 is rotated, the pulling plate 95 is separated from the rotating locking piece 94, the pulling plate 95 is pulled at this time, the pulling rod 96 drives the upper end of the offset rod group 971 to move leftwards, the lower end of the offset rod group 971 moves upwards at this time, the connecting transverse plate 972 is driven to move upwards, the connecting transverse plate 972 vertically moves in the fixed guide plate 976 through the action of the convex rod 974, the connecting transverse plate 972 drives the clamping rod 973 to vertically move, the clamping rod 973 is separated from the inside of the driving bevel gear rotating shaft 7, then the driving bevel gear rotating shaft 7 is separated from the driving wheel 8, and the driving wheel 8 is rapidly detached; and thirdly, after maintenance is finished, the driving wheel 8 is installed back to the inside of the rotating shaft 7 of the driving bevel gear, clamping is carried out on the rotating shaft 7 of the driving bevel gear through the guide clamping block 91, the rotating shaft 7 of the driving bevel gear and the axis of the driving wheel 8 are kept on the same center of circle, then, embedding clamping is carried out through the embedding clamping block 93, then, the pulling plate 95 is loosened, elastic resetting is carried out through the reset spring 975 on the convex rod 974, the connecting transverse plate 972 is reset, clamping installation is carried out on the clamping rod 973 and the inside of the rotating shaft 7 of the driving bevel gear again, and after installation is finished, next work can be carried out.

The basic principle and the main characteristics of the utility model and the advantages of the utility model have been shown and described above, and the utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the record of the description with the drawing, and the concrete connection mode of each part all adopts conventional means such as ripe bolt rivet among the prior art, welding, and machinery, part and equipment all adopt prior art, conventional model, and conventional connection mode in the prior art is adopted in addition to circuit connection, and the details are not repeated here.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A novel differential driving wheel comprises a main driving bevel gear rod (1), wherein the main driving bevel gear rod (1) penetrates through the inside of a connecting cylinder (2) in a clearance fit manner;

the method is characterized in that: the anti-falling mechanism is characterized by further comprising an anti-falling mounting mechanism (9), the anti-falling mounting mechanism (9) is mounted between the driving bevel gear rotating shaft (7) and the driving wheel (8), the anti-falling mounting mechanism (9) comprises a guide clamping block (91), a connecting plate (92), an embedding clamping block (93), a rotating locking piece (94), a pulling plate (95), a pulling rod (96) and a fixed clamping mechanism (97), the guide clamping block (91) is fixedly mounted on the inner shaft center of the driving wheel (8), the guide clamping block (91) is embedded in the tail end of the driving bevel gear rotating shaft (7) in a clearance fit mode, the connecting plate (92) is fixed with the left side surface of the driving wheel (8), the embedding clamping block (93) is arranged at the left end of the connecting plate (92), the embedding clamping block (93) is embedded in the driving bevel gear rotating shaft (7), the driving bevel gear rotating shaft (7) penetrates through the, rotation locking piece (94) end adopts clearance fit to install inside connecting plate (92) left end, rotation locking piece (94) left end laminates with arm-tie (95) left side surface mutually, arm-tie (95) are installed on connecting plate (92) left side surface, arm-tie (95) are fixed mutually with pull rod (96) left end, pull rod (96) adopt clearance fit to run through inside connecting plate (92), pull rod (96) end is articulated mutually with fixed screens mechanism (97) upper end, fixed screens mechanism (97) lower extreme and the inside conflict of drive bevel gear pivot (7).

2. A novel differentially driven wheel as claimed in claim 1, wherein: connecting cylinder (2) are fixed mutually with stationary blade (3) side, stationary blade (3) are fixed mutually through fixed screw (4) and differential gear shell (5) outside, connecting cylinder (2) link up mutually with differential gear shell (5), differential gear shell (5) inside runs through there is auxiliary drive bevel gear pole (6), main drive bevel gear pole (1) end meshes with drive bevel gear pivot (7) head end mutually, auxiliary drive bevel gear pole (6) end meshes with drive bevel gear pivot (7) head end mutually, drive bevel gear pivot (7) end is fixed mutually with drive wheel (8).

3. A novel differentially driven wheel as claimed in claim 1, wherein: the fixed position-clamping mechanism (97) comprises a deflection rod group (971), a connecting transverse plate (972), a position-clamping rod (973), a convex rod (974), a return spring (975) and a fixed guide plate (976), the upper end of the offset rod group (971) is hinged with the tail end of the pull rod (96), the lower end of the offset rod group (971) is hinged with the connecting transverse plate (972), the lower end of the connecting transverse plate (972) is provided with a clamping rod (973), the clamping rod (973) penetrates through the rotating shaft (7) of the driving bevel gear in a clearance fit manner, the connecting transverse plate (972) is fixed with the lower end of a convex rod (974), the convex rod (974) penetrates through the inside of a return spring (975), the upper end of the return spring (975) is fixed with the lower surface of the fixed guide plate (976), the upper end of the convex rod (974) is in clearance fit and penetrates through the inside of the fixed guide plate (976), the fixed guide plate (976) is fixedly arranged on the right side surface of the connecting plate (92).

4. A novel differentially driven wheel as claimed in claim 1, wherein: the guide clamping block (91) is of a cylindrical structure, a cylindrical groove is formed in the tail end of the driving bevel gear rotating shaft (7), and the size of the guide clamping block (91) is matched with that of the inner groove of the driving bevel gear rotating shaft (7).

5. A novel differentially driven wheel as claimed in claim 1, wherein: the two embedded clamping blocks (93) are respectively arranged at the upper end and the lower end of the connecting plate (92).

6. A novel differentially driven wheel as claimed in claim 1, wherein: the rotary locking pieces (94) are provided with two parts in total, are of a vertically symmetrical structure and are respectively attached to the upper end and the lower end of the left side surface of the pulling plate (95).

7. A novel differentially driven wheel as claimed in claim 1, wherein: the two fixed clamping mechanisms (97) are arranged at the upper end and the lower end of the driving bevel gear rotating shaft (7) respectively, and the head ends of the two fixed clamping mechanisms (97) are hinged with the two pull rods (96) respectively.

8. A novel differentially driven wheel as claimed in claim 3, wherein: the protruding rod (974) is of a cylindrical structure, a cylindrical through hole is formed in the fixed guide plate (976), and the diameter of the protruding rod (974) is matched with the through hole in the fixed guide plate (976).