CN217620490U

CN217620490U - Automobile wheel hub location frock

Info

Publication number: CN217620490U
Application number: CN202221995614.4U
Authority: CN
Inventors: 张利宁; 王先芳; 杜磊; 王利辉
Original assignee: Air Force Logistics University Of Pla
Current assignee: Air Force Logistics University Of Pla
Priority date: 2022-07-29
Filing date: 2022-07-29
Publication date: 2022-10-21
Anticipated expiration: 2032-07-29

Abstract

The utility model discloses an automobile hub positioning tool, which comprises a base and a placing platform, wherein clamping rods are symmetrically arranged on two sides of the placing platform, are of inverted L-shaped structures and are rotatably arranged on the base through one hinge piece; a first telescopic rod cylinder is fixed on the base, a telescopic rod of the first telescopic cylinder is vertical, a horizontally arranged pressing plate is fixed at the top end of the first telescopic rod, and a second telescopic cylinder for supporting the placing platform is fixed on the top surface of the pressing plate; a baffle plate which is in contact with the pressing plate is fixed on the clamping rod, the baffle plate is positioned below the pressing plate, and a spring is arranged between the baffle plate and the base; the top rod part of the clamping rod points to the placing platform, and the end part of the top rod part is provided with a limiting mechanism for positioning the hub, and the limiting mechanism is abutted against the inner wall of the hub; the wheel hub can be stably positioned, and manual righting and fixing by workers are avoided; the limiting mechanisms are symmetrically arranged and act on the inner surface of the hub, so that abrasion to the outer surface of the hub is avoided.

Description

Automobile wheel hub location frock

Technical Field

The utility model relates to a wheel hub fixing device technical field, concretely relates to automobile wheel hub fixes a position frock.

Background

The hub is a rotating part of a wheel core, wherein the wheel core is connected with the inner profile steel of the tire through a stand column, namely a metal part which supports the center of the tire and is arranged on a shaft. Also called rim, steel ring, wheel and tire bell, the hub is made of various kinds according to the diameter, width, forming mode and material, and the existing hub for automobile tire is mostly made of metal material. The hub is the position of the wheel center installation axletree, namely "rim" or "steel ring" that people are said, and automobile wheel hub is an important component of automobile parts, and along with the growth of automobile parts industry in China, the hub industry develops greatly gradually.

At present, most automobile wheel hub is detecting or maintenance in-process, just put wheel hub on the ground or work platform usually, and the staff is more time-consuming and energy-consuming to wheel hub's fixed, and can not be with wheel hub accurate positioning, fixed, finally influences wheel hub's detection and maintenance efficiency, consequently, is necessary to provide a wheel hub positioner.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the above-mentioned problem among the prior art, provide an automobile wheel hub location frock.

The technical scheme of the utility model is that:

the automobile hub positioning tool comprises a base and a placing platform for placing a hub, and is characterized in that clamping rods are symmetrically arranged on two sides of the placing platform, the clamping rods are of inverted L-shaped structures, and the bottom ends of the clamping rods are rotatably mounted on the base through one hinge; a first telescopic rod cylinder for driving the clamping rod to rotate is fixed on the base, a telescopic rod of the first telescopic rod is vertical, a horizontally arranged pressing plate is fixed at the top end of the first telescopic rod, a second telescopic rod for supporting the placing platform is fixed on the top surface of the pressing plate, and the placing platform is rotatably installed on a telescopic rod of the second telescopic rod; a baffle plate used for being in contact with the pressing plate is fixedly arranged on the clamping rod, the baffle plate is positioned below the pressing plate, and a spring used for providing rotating force for the clamping rod is arranged between the baffle plate and the base; the top rod part of the clamping rod points to the placing platform, a limiting mechanism for positioning the wheel hub is arranged at the end part of the top rod part, and the limiting mechanism is abutted against the inner wall of the wheel hub.

Preferably, the limiting mechanism comprises a limiting plate, the limiting plate is vertically arranged, the top end of the limiting plate is rotatably mounted on the clamping rod through a second hinge part, and the bottom end of the limiting plate is provided with a roller which is abutted against the inner wall of the hub; a limiting rope used for limiting the rotation angle of the limiting plate is further arranged between the limiting plate and the clamping rod, and the included angle between the limiting plate and the top plate of the clamping rod ranges from 0 degree to 90 degrees.

Preferably, the limiting rope is made of a steel rope, one end of the limiting rope is fixed to the bottom surface of the top plate of the clamping rod, and the other end of the limiting rope is fixed to the limiting plate and located above the roller.

Preferably, the axis of the roller is vertically arranged, and the tread of the roller is abutted against the inner wall of the hub; and the limiting plate is also fixedly provided with a mounting plate for mounting the roller, and the roller is rotatably mounted on the mounting plate through a rotating shaft.

Preferably, a positioning bolt for fixing the position of the wheel hub is arranged at the center of the top surface of the placing platform, the positioning bolt is installed on the placing platform in an inserted manner, and a positioning hole matched with the positioning bolt is formed in the placing platform.

Preferably, the base is provided with a plurality of vertically arranged limiting rods, the pressing plate is provided with through holes for installing the limiting rods, linear bearings are fixed in the through holes, and the limiting rods are sleeved with the linear bearings in a matching manner.

The utility model has the advantages that:

the utility model provides an automobile hub positioning tool, which can stably position a hub to be detected or maintained, and avoids the manual righting and fixing by workers; the limiting mechanisms are symmetrically arranged and act on the inner surface of the hub, so that the outer surface of the hub is prevented from being abraded; the limiting mechanism is driven by the spring and the clamping rod to provide two symmetrically opposite pulling forces to the inner wall of the hub, so that the effect of positioning the hub is achieved; in addition, the limiting mechanism is internally provided with the roller which is used for being abutted against the inner wall of the hub, so that the inner wall of the hub is prevented from being abraded, meanwhile, the rotation of the hub by workers is facilitated, and the comprehensive detection and maintenance are facilitated.

Drawings

FIG. 1 is a schematic view of the overall structure of an automobile hub positioning tool provided by the present invention;

FIG. 2 is a schematic partial cross-sectional view of an automobile hub positioning tool provided by the present invention;

FIG. 3 is an enlarged view of portion A of FIG. 1;

fig. 4 is a first schematic perspective view of the placing platform provided by the present invention;

fig. 5 is a schematic perspective view of a second placement platform provided by the present invention;

fig. 6 is a schematic view of the positioning bolt structure provided by the present invention;

fig. 7 is a schematic view of the structural state of the wheel hub positioning tool when the wheel hub positioning tool starts to be used;

fig. 8 is a schematic view of the structure state of the wheel hub positioning tool of the present invention when positioning a wheel hub;

fig. 9 is a schematic view of the structural state of the wheel hub positioning tool when the wheel hub positioning tool is used;

in the figure, 1, a base; 101. a first hinge part; 102. a limiting rod;

2. a first telescopic cylinder;

3, pressing a plate; 301. a through hole; 302. a linear bearing;

4. a clamping rod; 401. a baffle plate; 402. a rubber pad; 403. a second hinge part;

5. a limiting mechanism; 501 limiting plates; 502. a roller; 503. a limiting rope; 504. mounting a plate; 505. a rotating shaft;

6. placing a platform; 601. positioning holes; 602. positioning bolts; 603. mounting a slotted hole; 604. a rolling bearing;

7. a second telescopic cylinder;

8. a spring;

9. a hub.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects of the present invention to be solved clearer, the present invention will be further described 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 do not limit the invention.

It is to be understood that the terms "horizontal, vertical, top, bottom, two sides, above, below, symmetrical" and the like are used herein to indicate orientations and positional relationships based on those shown in the drawings, and are used merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be taken as limiting the present invention.

Referring to fig. 1 to 9, the utility model provides an automobile hub positioning tool, which comprises a base 1 and a placing platform 6 for placing a hub 9, wherein the placing platform 6 is horizontally arranged, two clamping rods 4 are symmetrically arranged on two sides of the placing platform 6, the clamping rods 4 are in inverted L-shaped structures, the bottom ends of the vertical rods of the clamping rods 4 are rotatably arranged on the top surface of the base 1 through a first hinge part 101, and the clamping rods 4 can rotate through the first hinge part 101; in addition, a first telescopic cylinder 2 for driving the clamping rod 4 to rotate is fixed on the top surface of the base 1, the first telescopic cylinder 2 is located under the placing platform 6, a telescopic rod of the first telescopic cylinder 2 is vertically arranged, a horizontally arranged pressing plate 3 is fixed at the end of the first telescopic cylinder, and the first telescopic cylinder 2 drives the pressing plate 3 to vertically move up and down; a second telescopic cylinder 7 for supporting and supporting the placing platform 6 is fixed on the top surface of the pressure applying plate 3, the bottom surface of the placing platform 6 is rotatably connected with a telescopic rod of the second telescopic cylinder 7 through a rolling bearing 604, it should be noted that a mounting slot 603 is formed in the center of the bottom surface of the placing platform 6, an outer ring of the rolling bearing 604 is fittingly installed in the mounting slot 603, and an inner ring of the rolling bearing 604 is fixedly sleeved on the end part of the telescopic rod of the second telescopic cylinder 7, so that the placing platform 6 can rotate, and a worker can conveniently rotate the hub 9 placed on the placing platform 6 to perform omnibearing detection or maintenance; in addition, a baffle 401 used for contacting with the pressing plate 3 is fixed on the clamping rod 4, the baffle 401 is positioned below the pressing plate 3, the baffle 401 is parallel to the top rod part of the clamping rod 4, and a spring 8 is arranged between the bottom surface of the baffle 401 and the top surface of the base 1; the spring 8 is vertically arranged, the top end of the spring 8 is fixed on the bottom surface of the baffle 401, the bottom end of the spring 8 is fixed on the top surface of the base 1, and the spring 8 acts on the baffle 401 to provide rotating power for the clamping rod 4; it should be further noted that the top rod part of the clamping rod 4 points to the placing platform 6, a limiting mechanism 5 for positioning the hub 9 is arranged at the end part of the top rod part of the clamping rod 4, the limiting mechanism 5 extends into the hub 9, and the limiting mechanism 5 abuts against the inner wall of the hub 9; the clamping rod 4 rotates around the first hinge part 101 through the elastic force provided by the spring 8 for the clamping rod 4, the limiting mechanisms 5 are abutted against the inner wall of the hub 9, the position of the hub 9 is limited through the symmetrical outward pulling force of the two limiting mechanisms 5 for the inner wall body of the hub 9, and the hub 9 is prevented from deviating and shaking; a rubber pad 402 is fixedly bonded to the surface of the top rod portion of the clamping rod 4, so as to prevent the edge of the hub 9 from colliding with the clamping rod 4 and causing damage.

Referring to fig. 3, in an embodiment of the present invention, the limiting mechanism 5 includes a limiting plate 501, the limiting plate 501 is vertically disposed, and the top end of the limiting plate 501 is installed at the end of the top rod portion of the clamping rod 4 through a second hinge member 403, the rotation axis of the second hinge member 403 is axially parallel to the rotation axis of the first hinge member 101, and the limiting plate 501 can rotate around the rotation axis of the second hinge member 403 through the second hinge member 403; the bottom end of the limiting plate 501 is provided with a roller 502, the roller 502 is made of rubber, when the hub 9 is positioned, the tread of the roller 502 is abutted to the inner wall of the hub 9, and by arranging the roller 502, on one hand, the roller is in contact with the inner wall of the hub 9 and provides pressure for the inner wall of the hub 9 to limit the position of the hub 9, and on the other hand, by rolling contact of the roller 502 and the inner wall of the hub 9, when the hub 9 is rotated, the friction resistance can be reduced and the inner wall of the hub 9 can be prevented from being scratched or damaged; it should be noted that a limiting rope 503 is arranged between the limiting plate 501 and the clamping rod 4, the limiting plate 501 is pulled by the limiting rope 503, and the rotation angle of the limiting plate 501 is limited, so that the included angle range between the limiting plate 501 and the top plate of the clamping rod 4 is controlled to be 0-90 degrees; it should be further noted that, when the clamping rod 4 rotates and drives the roller 502 on the limiting plate 501 to abut against the inner wall of the hub 9, the limiting rope 503 is in a tightened state, and the included angle between the limiting plate 501 and the top rod portion of the clamping rod 4 is 90 °.

Further, referring to fig. 3, in an embodiment of the present invention, the limiting rope 503 is made of a steel rope, which has no elasticity and ductility, so as to prevent the limiting plate 501 from rotating excessively to make the roller 502 not contact with the inner wall of the hub 9, so that the hub 9 cannot be positioned; in addition, one end of the limiting rope 503 is fixed on the top rod part of the clamping rod 4, and the other end is fixed on one side of the limiting plate 501 facing the inner wall of the hub 9 and is positioned above the roller 502, so that the influence of the limiting rope 503 on the rolling of the roller 502 is avoided; in addition, a mounting plate 504 is fixed at the bottom of the limiting plate 501 on one side facing the inner wall of the hub 9, the roller 502 is rotatably mounted on the mounting plate 504 through a rotating shaft 505, and the central shaft of the rotating shaft 505 is vertically arranged, so that the tread of the roller 502 can roll with the inner wall of the hub 9, and friction loss is reduced.

Referring to fig. 2 and fig. 4 to fig. 6, in an embodiment of the present invention, a positioning bolt 602 is disposed at the center of the top surface of the placing platform 6, a center hole on the hub 9 is installed on the positioning bolt 602, and the height of the positioning bolt 602 is greater than the thickness of the center hole of the hub 9, so as to perform preliminary positioning on the hub 9 through the positioning bolt 602; in addition, a positioning hole 601 matched with the positioning bolt 602 is formed in the top surface of the placing platform 6, and the positioning bolt 602 is inserted into the positioning hole 601, so that the position of the hub 9 is preliminarily limited.

Referring to fig. 2, in a specific embodiment of the present invention, a plurality of vertically disposed limiting rods 102 are further fixed on the top surface of the base 1, the height of the limiting rods 102 is greater than the maximum displacement height of the pressing plate 3, a through hole 301 for penetrating and installing the limiting rods 102 is formed in the pressing plate 3, a linear bearing 302 is fixedly installed in the through hole 301, the linear bearing 302 is coaxially disposed with the through hole 301 and the limiting rods 102, and the linear bearing 302 is sleeved on the limiting rods 102; stabilize to exerting pressure plate 3's position through setting up gag lever post 102, avoid exerting pressure plate 3 to take place the skew in the course of the work or rotate and lead to unable to play the pressure effect to baffle 401, through set up linear bearing 302 between gag lever post 102 and the board 3 of exerting pressure, reduce the frictional resistance between the board 3 of exerting pressure and the gag lever post 102, avoid telescopic cylinder 2 power overload, reduce the friction loss of the board 3 of exerting pressure and gag lever post 102, the life of the device is prolonged.

The utility model discloses a working process and principle:

referring to fig. 1, when the utility model discloses the frock is not used, supporting rod 4 leans out to open around articulated elements 101 under the spring action of spring 8, makes the interval between two stop gear 5 slightly be greater than wheel hub 9's external diameter, and then makes stop gear 5 not contact with wheel hub 9.

Referring to fig. 7 and 8, when the tooling is used, the positioning bolt 602 is inserted into the positioning hole 601 on the placing platform 6, then the center hole of the hub 9 is installed on the positioning bolt 602 in a sleeved mode, and the hub 9 is placed on the placing platform 6, and when the tooling is just used, the distance between the limiting mechanisms 5 is larger than the outer diameter of the hub 9, so that the hub 9 can be placed on the placing platform 6 in the vertical direction, and the hub 9 can be placed conveniently; then, the horizontal heights of the placing platform 6 and the hub 9 are adjusted by controlling the telescopic cylinder II 7, so that the highest level of the hub 9 and the highest point of the clamping rod 4 are in the same horizontal position; then starting the first telescopic cylinder 2 and controlling the telescopic rod of the first telescopic cylinder 2 to descend to drive the pressing plate 3 to descend, so that the second telescopic cylinder 7, the placing platform 6 and the hub 9 descend synchronously; when the pressing plate 3 descends, the pressing plate 3 is in contact with the baffle 401 on the clamping rod 4, downward force is applied to the baffle 4 through the pressing plate 3, the clamping rod 4 is driven to rotate, and the limiting mechanism 5 is in contact with the hub 9 and extends into the hub 9; in the rotation process of the clamping rod 4, the limiting plate 501 is in contact with the outer wall of the hub 9, the limiting plate 501 can rotate when in contact with the hub 9 through the second hinge piece 403, the included angle between the limiting plate 501 and the ejector rod of the clamping rod 4 is reduced, the horizontal height of the hub 9 continuously descends along with the continuous descending of the first telescopic cylinder 2, the limiting mechanisms 5 on the two clamping rods 4 are close to each other, and when the first telescopic cylinder 2 descends until the limiting plate 501 is not in contact with the outer wall of the hub 9 and enters the hub 9 under the action of self gravity, the distance between the two limiting plates 501 is smaller than the inner diameter of the hub 9; subsequently, the telescopic cylinder I2 is controlled to ascend to drive the wheel hub 9 to ascend, in the process that the telescopic cylinder I2 drives the pressing plate 3 to continuously ascend, the baffle 401 enables the clamping rods 4 to rotate again under the action of the reset elastic force of the springs 8 to drive the limiting mechanisms 5, the distance between the two limiting mechanisms 5 is increased, the rollers 502 in the limiting mechanisms 5 already stretch into the hubs 9, after the clamping rods 4 rotate to a certain angle, the rollers 502 are abutted to the inner wall of the hubs 9, the limiting plates 501 are under the action of the limiting tensile force of the limiting ropes 503, when the rollers 502 are abutted to the inner wall of the hubs 9, the limiting plates 501 are perpendicular to the ejector rods of the clamping rods 4, the springs 8 do not completely reset at the moment, the elastic force is still provided for the baffle 401, the clamping rods 4 still have a rotating trend, and therefore the two rollers 502 have two symmetrical and reverse pressures on the inner wall of the hubs 9, and the limiting effect on the hubs 9 is achieved.

Referring to fig. 9, after the use is finished, the first telescopic cylinder 2 and the second telescopic cylinder 7 are synchronously started and controlled to descend, so that the limiting mechanism 5 is separated from the inside of the hub 9, the roller 502 is not in contact with the inner wall of the hub 9, and then the positioning bolt 602 is pulled out, and the hub 9 is horizontally pulled out from the placing platform 6; after the hub 9 is completely drawn out, the first telescopic cylinder 2 and the second telescopic cylinder 7 are reset, and at the moment, the clamping rod 4 is completely reset under the action of the spring 8.

The foregoing description of the specific embodiments of the invention has been presented for the purposes of illustration and description and is not intended to limit the invention to the precise form disclosed, and it is apparent that numerous modifications and variations are possible in light of the above description, the examples being selected and described to explain certain principles of the invention and the practical application to enable one skilled in the art to make and use various embodiments of the invention and various alternatives and modifications. It is intended that the scope of the invention be defined by the claims and their equivalents.

Claims

1. The automobile hub positioning tool comprises a base (1) and a placing platform (6) used for placing a hub (9), and is characterized in that clamping rods (4) are symmetrically arranged on two sides of the placing platform (6), the clamping rods (4) are of inverted L-shaped structures, and the bottom ends of the clamping rods are rotatably mounted on the base (1) through first hinge parts (101); a first telescopic cylinder (2) for driving the clamping rod (4) to rotate is fixed on the base (1), a telescopic rod of the first telescopic cylinder (2) is vertical, a horizontally arranged pressing plate (3) is fixed at the top end of the telescopic rod, a second telescopic cylinder (7) for supporting the placing platform (6) is installed on the top surface of the pressing plate (3), and the placing platform (6) is rotatably installed on a telescopic rod of the second telescopic cylinder (7); a baffle (401) which is used for being in contact with the pressure applying plate (3) is fixedly arranged on the clamping rod (4), the baffle (401) is positioned below the pressure applying plate (3), and a spring (8) which is used for lifting and rotating power of the clamping rod (4) is arranged between the baffle (401) and the base (1); the top rod part of the clamping rod (4) points to the placing platform (6), a limiting mechanism (5) for positioning the hub (9) is arranged at the end part of the top rod part, and the limiting mechanism (5) is abutted against the inner wall of the hub (9).

2. The automobile hub positioning tool according to claim 1, wherein the limiting mechanism (5) comprises a limiting plate (501), the limiting plate (501) is vertically arranged, the top end of the limiting plate is rotatably mounted on the clamping rod (4) through a second hinge (403), and the bottom end of the limiting plate is provided with a roller (502) which is abutted against the inner wall of the hub (9); a limiting rope (503) used for limiting the rotation angle of the limiting plate (501) is further arranged between the limiting plate (501) and the clamping rod (4), and the included angle range between the limiting plate (501) and the top plate of the clamping rod (4) is 0-90 degrees.

3. The automobile hub positioning tool according to claim 2, wherein the limiting rope (503) is made of a steel rope, one end of the limiting rope is fixed to the bottom surface of the top plate of the clamping rod (4), and the other end of the limiting rope is fixed to the limiting plate (501) and located above the roller (502).

4. The automobile hub positioning tool according to claim 2, characterized in that the axis of the roller (502) is vertically arranged, and the tread of the roller (502) is abutted against the inner wall of the hub (9); and a mounting plate (504) for mounting the roller (502) is further fixed on the limiting plate (501), and the roller (502) is rotatably mounted on the mounting plate (504) through a rotating shaft (505).

5. The automobile hub positioning tool according to claim 1, characterized in that a positioning bolt (602) for fixing the position of the hub (9) is arranged at the center of the top surface of the placing platform (6), the positioning bolt (602) is installed on the placing platform (6) in an inserting manner, and a positioning hole (601) matched with the positioning bolt (602) is formed in the placing platform (6).

6. The automobile hub positioning tool according to claim 1, wherein a plurality of vertically arranged limiting rods (102) are fixed on the base (1), through holes (301) for installing the limiting rods (102) are formed in the pressing plate (3), linear bearings (302) are fixed in the through holes (301), and the linear bearings (302) are fittingly sleeved on the limiting rods (102).