CN112555290B - Drive shaft assembly for improving positioning precision of drive shaft - Google Patents
Drive shaft assembly for improving positioning precision of drive shaft Download PDFInfo
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- CN112555290B CN112555290B CN202011296298.7A CN202011296298A CN112555290B CN 112555290 B CN112555290 B CN 112555290B CN 202011296298 A CN202011296298 A CN 202011296298A CN 112555290 B CN112555290 B CN 112555290B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D1/00—Couplings for rigidly connecting two coaxial shafts or other movable machine elements
- F16D1/02—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for connecting two abutting shafts or the like
- F16D1/033—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for connecting two abutting shafts or the like by clamping together two faces perpendicular to the axis of rotation, e.g. with bolted flanges
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- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
The invention discloses a driving shaft assembly for improving the positioning precision of a driving shaft, which comprises a driving shaft main body, a brake connecting end, a fixed disc, a positioning and calibrating reinforced block and a positioning and locking mechanism.
Description
Technical Field
The invention relates to the technical field of driving shafts, in particular to a driving shaft assembly capable of improving positioning accuracy of a driving shaft.
Background
The driving shaft is one of loader working devices and is a device capable of pushing smoothness of the loader so that the driving wheels can rotate according to different angular speeds, and the driving shaft is a set of transmission devices used for transmitting torque and rotary motion output by a speed change mechanism (a gearbox, a reducer, a rear main reducer and the like) to the driving wheels; the driving shaft can be divided into two sections and three sections according to different arrangement structures of the driving shaft; according to the difference of the arrangement positions of the driving shaft in the whole vehicle, the driving shaft can be divided into a front driving shaft and a rear driving shaft; one end of the front driving shaft is connected with a differential mechanism, and is limited and fixed by a differential spring ring; the other end is connected with a brake assembly and is fixed through a locking nut or a screw, and the driving shaft generally comprises a fixed joint assembly, a movable joint assembly, a shaft lever, a locking nut, a gasket and the like.
When the driving shaft is installed and positioned, in the prior art, when one end of the driving shaft and a brake assembly are installed and fixed, the driving shaft and the brake assembly are positioned and installed in the same line, in the process of screwing the screw or the nut, the position of the driving shaft may deviate, the actual installation fixing position deviates from the ideal position, the positioning and installation work quality of the driving shaft is further reduced, and the normal operation of the driving work of the driving shaft may be influenced.
Disclosure of Invention
The present invention is directed to a drive shaft assembly for improving the positioning accuracy of a drive shaft, so as to solve the problems mentioned in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: a drive shaft assembly for improving the positioning accuracy of a drive shaft comprises a drive shaft main body, a brake connecting end, a fixed disc, a positioning and calibrating reinforcing block and a positioning and locking mechanism;
a fixed disc is arranged at one end of the driving shaft main body, a circular slot is formed in the brake connecting end, a thread groove and a connecting square groove are symmetrically formed in the brake connecting end, a screw is arranged in the thread groove in a threaded connection mode, a positioning side groove is symmetrically formed in the side of the circular slot, and a circular connecting insertion block is arranged in the circular slot in an inserting connection mode;
the circular connecting insertion blocks are arranged on one side of the fixed disc, positioning lugs are arranged on the outer side wall of each circular connecting insertion block at equal intervals, and positioning auxiliary blocks penetrate through the fixed disc at equal intervals;
a movable strip is movably arranged in the positioning auxiliary block, a first return spring is arranged at one end of the movable strip, the other end of the first return spring is arranged in the positioning auxiliary block, a movable groove is formed in the movable strip, extrusion fixing blocks are symmetrically arranged in the movable groove, a first extrusion inclined plane is arranged at one end of each extrusion fixing block, and a movable extrusion block is movably arranged at one side of the movable strip in the positioning auxiliary block;
one end of the movable extrusion block is movably arranged in the positioning calibration reinforced block, one end of the movable extrusion block is provided with a second reset spring, the other end of the second reset spring is arranged in the positioning calibration reinforced block, the positioning calibration reinforced block is provided with a third reset spring at the same end with the movable extrusion block, and one end of the movable extrusion block is provided with a second extrusion inclined surface;
and one end of the positioning auxiliary block is connected with a positioning locking mechanism.
Preferably, the positioning and locking mechanism comprises a fixing ring, a first movable clamping block, a second movable clamping block, a fixing clamping groove, a movable lantern ring, an extrusion arc chute, a circular groove, a positioning clamping column, an arc fixing block, a first movable extrusion column and a second movable extrusion column, wherein the fixing ring is arranged on the positioning auxiliary block, the first movable clamping block is movably arranged in the fixing ring, the second movable clamping block is arranged at one end of the first movable clamping block, a fourth reset spring is arranged at the same end of the first movable clamping block and the second movable clamping block, the fixing clamping groove is arranged at one side of the movable strip, the movable lantern ring is sleeved and arranged on the fixing ring, the extrusion arc chute is arranged in the movable lantern ring, one side of the movable lantern ring is provided with the circular groove, the positioning clamping column is movably arranged in the circular groove, the extrusion spring is arranged at one end of the positioning clamping column, the arc fixing block is arranged on the fixing ring, the first movable extrusion column is movably arranged in the arc fixing block, the second movable extrusion column is arranged at one end of the first movable extrusion column, and the fifth reset spring is arranged at the same end of the second movable extrusion column.
Preferably, the positioning auxiliary blocks correspond to the connecting square grooves on the brake connecting end in arrangement positions and are arranged in the same number, and the cross section of the end parts of the positioning auxiliary blocks is the same as that of the notches of the connecting square grooves, namely the cross sections of the positioning auxiliary blocks and the notches are equal in length and width.
Preferably, the second movable extrusion column corresponds to the positioning clamp column in arrangement position, and the arrangement diameters of the second movable extrusion column and the positioning clamp column are equal.
Preferably, the fixed clamping groove and the second movable clamping block are arranged at corresponding positions and are arranged in the same number, the area of the cross section of the notch of the fixed clamping groove is equal to that of the cross section of the end part of the second movable clamping block, and the side lengths of the two cross sections are equal.
Compared with the prior art, the invention has the beneficial effects that:
through the fixed disc, the circular slot, the positioning side groove, the circular connecting insertion block, the positioning lug, the positioning auxiliary block and the positioning calibration reinforcing block, the driving shaft can be well positioned, the mounting and fixing connection precision of the driving shaft is improved, the driving shaft is ensured not to generate position deviation during mounting and fixing work, the mounting quality of the driving shaft is further ensured, the driving shaft and the brake can be well locked and fixed through the arranged positioning locking mechanism, the connection firmness and the stability of the driving shaft are improved, the driving shaft is prevented from being disordered in the working process, and the normal operation of the driving shaft is further ensured.
Drawings
FIG. 1 is a schematic view of a connection structure according to the present invention;
FIG. 2 is a right side view of the connecting structure of the driving shaft main body and the brake connecting end according to the present invention;
FIG. 3 is a left side view of the connecting structure of the driving shaft main body and the brake connecting end according to the present invention;
FIG. 4 is a schematic left side view, partially in section, of an internal connection structure of a fixing disk according to the present invention;
FIG. 5 is a partially enlarged view of the connection structure shown in FIG. 4 according to the present invention;
FIG. 6 is a right side view of the internal connection structure of the fixing plate according to the present invention, partially cut away;
fig. 7 is a partially enlarged view of the connection structure of fig. 6 according to the present invention.
In the figure: the brake comprises a drive shaft main body 1, a brake connecting end 2, a fixed disc 3, a circular slot 4, a positioning side groove 5, a circular connecting insert block 6, a positioning lug 7, a positioning auxiliary block 8, a movable strip 9, a movable groove 10, an extrusion fixed block 11, a first extrusion inclined plane 12, a movable extrusion block 13, a positioning calibration reinforced block 14, a second extrusion inclined plane 15, a positioning locking mechanism 16, a fixed ring 1601, a first movable clamping block 1602, a second movable clamping block 1603, a fixed clamping groove 1604, a movable lantern ring 1605, an extrusion arc-shaped chute 1606, a circular groove 1607, a positioning clamping column 1608, an arc-shaped fixed block 1609, a first movable extrusion column 1610 and a second movable extrusion column 1611.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below. The embodiments of the present invention, and all other embodiments obtained by a person of ordinary skill in the art without any inventive work, belong to the scope of protection of the present invention.
Referring to fig. 1 to 7, the present invention provides a technical solution: the invention provides a drive shaft assembly for improving the positioning accuracy of a drive shaft, which comprises a drive shaft main body 1, a brake connecting end 2, a fixed disc 3, a positioning calibration reinforcing block 14 and a positioning locking mechanism 16;
a fixed disc 3 is arranged at one end of the driving shaft main body 1, a circular slot 4 is arranged in the brake connecting end 2, a thread groove and a connecting square groove are symmetrically arranged in the brake connecting end 2, a screw is arranged in the thread groove in a threaded connection mode, a positioning side groove 5 is symmetrically arranged at the side of the circular slot 4, and a circular connecting insertion block 6 is arranged in the circular slot 4 in an inserting connection mode;
the circular connecting insertion blocks 6 are arranged on one side of the fixed disc 3, positioning lugs 7 are arranged on the outer side wall of each circular connecting insertion block 6 at equal intervals, and positioning auxiliary blocks 8 are arranged in the fixed disc 3 in an equidistant penetrating mode;
a movable strip 9 is movably arranged in the positioning auxiliary block 8, one end of the movable strip 9 is provided with a first return spring, the other end of the first return spring is arranged in the positioning auxiliary block 8, a movable groove 10 is arranged on the movable strip 9, extrusion fixed blocks 11 are symmetrically arranged in the movable groove 10, one end of each extrusion fixed block 11 is provided with a first extrusion inclined plane 12, and a movable extrusion block 13 is movably arranged on one side of the movable strip 9 in the positioning auxiliary block 8;
one end of the movable extrusion block 13 is movably arranged in the positioning calibration reinforced block 14, one end of the movable extrusion block 13 is provided with a second return spring, the other end of the second return spring is arranged in the positioning calibration reinforced block 14, the positioning calibration reinforced block 14 is provided with a third return spring at the same end with the movable extrusion block 13, and one end of the movable extrusion block 13 is provided with a second extrusion inclined plane 15;
one end of the positioning auxiliary block 8 is connected with a positioning locking mechanism 16.
Further, the positioning locking mechanism 16 includes a fixing ring 1601, a first movable clamping block 1602, a second movable clamping block 1603, a fixing clamping groove 1604, a movable lantern ring 1605, an extruded arc chute 1606, a circular groove 1607, a positioning clamp post 1608, an arc fixing block 1609, a first movable extruded column 1610, a second movable extruded column 1611, the fixing ring 1601 is disposed on the positioning auxiliary block 8, the fixing ring 1601 is movably provided with the first movable clamping block 1602, one end of the first movable clamping block 1602 is provided with the second movable clamping block 1603, the first movable clamping block 1602 is provided with a fourth return spring at the same end as the second movable clamping block 1603, the fixing clamping groove 1604 is disposed at one side of the movable strip 9, the movable lantern ring 1605 is sleeved on the fixing ring 1601, the extruded arc chute 1606 is disposed in the movable lantern ring 1605, one side of the movable lantern ring 1605 is provided with the circular groove 1607, the circular groove 1607 is movably provided with the positioning clamp post, one end of the positioning clamp post is provided with the extrusion spring at the same end of the first movable clamping column 1601, the first movable clamping column 1601 is provided with the second extrusion spring at the same end of the second movable clamping column 1601.
Furthermore, the positioning auxiliary blocks 8 are arranged at positions corresponding to the connecting square grooves on the brake connecting end 2 and have the same number of groups, and the cross section of the end parts of the positioning auxiliary blocks 8 is the same as that of the groove openings of the connecting square grooves, namely the cross sections of the positioning auxiliary blocks and the groove openings are equal in length and width.
Further, the second movable pressing post 1611 corresponds to the positioning pin 1608, and the diameters of the two are equal.
Furthermore, the fixed clamping groove 1604 corresponds to the second movable clamping block 1603 in arrangement position and is provided with the same number of groups, the area of the cross section of the notch of the fixed clamping groove 1604 is equal to the area of the cross section of the end part of the second movable clamping block 1603, and the side lengths of the two cross sections are equal.
The working principle is as follows: when the invention is used for installing, connecting and fixing the driving shaft, firstly, the circular connecting and inserting block 6 on the fixed disc 3 arranged at the end part of the driving shaft main body 1 is inserted into the circular slot 4 on the brake connecting end 2, meanwhile, the positioning lug 7 arranged at the side of the circular connecting and inserting block 6 is clamped in the positioning side slot 5, the positioning auxiliary block 8 is clamped in the connecting square slot on the brake connecting end 2, then the movable strip 9 in the positioning auxiliary block 8 is pressed, the movable strip 9 drives the extrusion fixed block 11 in the movable slot 10 to extrude the movable extrusion block 13, the movable extrusion block 13 extrudes the positioning calibration reinforced block 14 through the third return spring, so that the third return spring is in an extrusion state, the positioning calibration reinforced block 14 extrudes the inner side wall of the connecting square slot, and the positioning auxiliary block 8 cannot have loose connecting and positioning in the connecting square slot, the precision of the installation and connection of the driving shaft is ensured, then the movable lantern ring 1605 in the positioning and locking mechanism 16 is rotated, the movable lantern ring 1605 drives the extrusion arc-shaped chute 1606 to extrude the first movable clamping block 1602, the first movable clamping block 1602 pushes the second movable clamping block 1603 to enter the fixed clamping groove 1604 on one side of the movable strip 9, meanwhile, the positioning clamping column 1608 arranged in the arc-shaped fixed block 1609 reaches the position of the second movable extrusion column 1611, the positioning clamping column 1608 is clamped in the arc-shaped fixed block 1609 under the action of an extrusion spring, the movable lantern ring 1605 is fixed, the position of the movable strip 9 is fixed, and finally the screw is installed for fixing, so that the high-precision installation and the connection firmness of the driving shaft can be improved, and the fixed disc 3, the circular slot 4, the positioning side groove 5 and the circular connection inserting block 6 which are arranged by the invention, locating convex block 7 and location auxiliary block 8, piece 14 is reinforceed in location calibration, can carry out fine position location to the drive shaft, and then improve its installation fixed connection precision, ensure can not produce the offset when installation fixed work, and then guarantee its installation quality, moreover fix a position locking mechanism 16 through setting up and fix the locking that can carry out fine to being connected of drive shaft and stopper and fix, improve the firm in connection nature and the stability of drive shaft, avoid the drive shaft disorder to appear in the course of the work, and then guarantee the normal clear of its work.
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)
1. The utility model provides an improve drive shaft positioning accuracy drive shaft subassembly which characterized in that: the brake device comprises a driving shaft main body (1), a brake connecting end (2), a fixed disc (3), a positioning calibration reinforcing block (14) and a positioning locking mechanism (16);
a fixed disc (3) is arranged at one end of the driving shaft main body (1), a circular slot (4) is arranged in the brake connecting end (2), a thread groove and a connecting square groove are symmetrically arranged in the brake connecting end (2), a screw is arranged in the thread groove in a threaded connection mode, a positioning side groove (5) is symmetrically arranged at the side of the circular slot (4), and a circular connecting insertion block (6) is arranged in the circular slot (4) in an inserting connection mode;
the circular connecting and inserting blocks (6) are arranged on one side of the fixed disk (3), positioning lugs (7) are arranged on the outer side wall of the circular connecting and inserting blocks (6) at equal intervals, and positioning auxiliary blocks (8) penetrate through the fixed disk (3) at equal intervals;
a movable strip (9) is movably arranged in the positioning auxiliary block (8), one end of the movable strip (9) is provided with a first return spring, the other end of the first return spring is arranged in the positioning auxiliary block (8), a movable groove (10) is arranged on the movable strip (9), extrusion fixing blocks (11) are symmetrically arranged in the movable groove (10), one end of each extrusion fixing block (11) is provided with a first extrusion inclined plane (12), and a movable extrusion block (13) is movably arranged at one side of the movable strip (9) in the positioning auxiliary block (8);
one end of the movable extrusion block (13) is movably arranged in the positioning calibration reinforced block (14), one end of the movable extrusion block (13) is provided with a second return spring, the other end of the second return spring is arranged in the positioning calibration reinforced block (14), the positioning calibration reinforced block (14) is provided with a third return spring at the same end with the movable extrusion block (13), and one end of the movable extrusion block (13) is provided with a second extrusion inclined plane (15);
one end of the positioning auxiliary block (8) is connected with a positioning locking mechanism (16);
the circular connecting plug block (6) is inserted into a circular slot (4) on the brake connecting end (2), a positioning lug (7) on the side of the circular connecting plug block (6) is clamped in a positioning edge groove (5), a positioning auxiliary block (8) is clamped in a connecting square groove on the brake connecting end (2), a movable strip (9) drives an extrusion fixing block (11) in a movable groove (10) to extrude a movable extrusion block (13), the movable extrusion block (13) extrudes a positioning calibration reinforcing block (14) through a third return spring, and the positioning calibration reinforcing block (14) extrudes the inner side wall of the connecting square groove;
the positioning locking mechanism (16) comprises a fixing ring (1601), a first movable clamping block (1602), a second movable clamping block (1603), a fixed clamping groove (1604), a movable lantern ring (1605), an extrusion arc chute (1606), a circular groove (1607), a positioning clamp column (1608), an arc fixing block (1609), a first movable extrusion column (1610) and a second movable extrusion column (1611), wherein the fixing ring (1601) is arranged on the positioning auxiliary block (8), the fixing ring (1601) is movably provided with the first movable clamping block (1602), one end of the first movable clamping block (1602) is provided with the second movable clamping block (1603), the first movable clamping block (1602) is provided with a fourth reset spring at the same end as the second movable clamping block (1603), the fixed clamping block (1604) is arranged at one side of the movable strip (9), the movable lantern ring (1605) is sleeved on the fixing ring (1601601) and is provided with the extrusion arc chute (1606) in the movable lantern ring (1601), the circular groove (1602) is provided with the circular groove (1602) at one side of the movable clamping block (1607), the positioning clamp column (1609) is provided with the positioning clamp column (1609), the first movable clamping block (1609) is provided with the extrusion chute (1605), and the first movable clamping block (1609) is provided with the extrusion chute (1609), one end of the first movable extrusion column (1610) is provided with a second movable extrusion column (1611), and the same end of the first movable extrusion column (1610) and the second movable extrusion column (1611) is provided with a fifth return spring;
the positioning auxiliary blocks (8) correspond to the arrangement positions of the square connecting grooves on the brake connecting end (2) and are arranged in the same number, and the cross section of the end parts of the positioning auxiliary blocks (8) is the same as that of the groove openings of the square connecting grooves, namely the cross sections of the positioning auxiliary blocks and the groove openings are equal in length and width;
the second movable extrusion column (1611) corresponds to the position of the positioning clamp column (1608), and the diameters of the two arranged movable extrusion columns are equal;
the fixed clamping groove (1604) corresponds to the second movable clamping block (1603) in arrangement position and is the same in arrangement number, the area of the cross section of the notch of the fixed clamping groove (1604) is equal to that of the cross section of the end part of the second movable clamping block (1603), and the side lengths of the two cross sections are equal;
when the device works, firstly, a circular connecting inserting block (6) on a fixed disc (3) arranged at the end part of a main body (1) of a driving shaft is inserted into a circular slot (4) on a connecting end (2) of a brake, meanwhile, a positioning lug (7) arranged at the side of the circular connecting inserting block (6) is clamped in a positioning side slot (5), a positioning auxiliary block (8) is clamped in a connecting square slot on the connecting end (2) of the brake, then a movable strip (9) in the positioning auxiliary block (8) is pressed, the movable strip (9) drives an extrusion fixed block (11) in a movable slot (10) to extrude a movable extrusion block (13), the movable extrusion block (13) extrudes a positioning calibration reinforced block (14) through a third reset spring, so that the third reset spring is in an extrusion state, the positioning calibration reinforced block (14) extrudes the inner side wall of the connecting square slot, thereby preventing the positioning auxiliary block (8) from having loose connection positioning in the connecting square slot, ensuring the mounting connection precision, then, rotating a positioning locking mechanism (16) pushes a movable extrusion lantern ring (1605) in a movable driving shaft (1605) to drive a first extrusion lantern ring (1605) to push a first extrusion lantern ring (1609), meanwhile, a positioning clamp column (1608) arranged in the arc-shaped fixing block (1609) reaches the position of a second movable extrusion column (1611), the positioning clamp column (1608) is clamped in the arc-shaped fixing block (1609) under the action of an extrusion spring, fixing is achieved for a movable lantern ring (1605), fixing of the position of the movable strip (9) is achieved, and finally the bolt is installed to fix.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011296298.7A CN112555290B (en) | 2020-11-18 | 2020-11-18 | Drive shaft assembly for improving positioning precision of drive shaft |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011296298.7A CN112555290B (en) | 2020-11-18 | 2020-11-18 | Drive shaft assembly for improving positioning precision of drive shaft |
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| CN112555290A CN112555290A (en) | 2021-03-26 |
| CN112555290B true CN112555290B (en) | 2022-11-11 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114011568A (en) * | 2021-10-22 | 2022-02-08 | 中建八局第一建设有限公司 | Job site portable reinforcing bar recovery unit |
| CN115126786B (en) * | 2022-08-10 | 2024-04-30 | 新昌县天拓机械有限公司 | Bearing with high-precision mounting auxiliary piece and mounting process thereof |
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