CN216737420U - Wheel dynamic balance detection wheel lifting device - Google Patents
Wheel dynamic balance detection wheel lifting device Download PDFInfo
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- CN216737420U CN216737420U CN202220288078.8U CN202220288078U CN216737420U CN 216737420 U CN216737420 U CN 216737420U CN 202220288078 U CN202220288078 U CN 202220288078U CN 216737420 U CN216737420 U CN 216737420U
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Abstract
The utility model provides a wheel dynamic balance detection wheel lifting device, which is characterized in that: the rack is provided with a chassis positioned at the bottom, a bracket positioned at the top and a gear pivoted in the middle of the rack; the wheel tray is positioned above the chassis; the connecting rod is connected with the chassis and the wheel tray, the cylinder is hinged on the chassis by a hinge shaft, and a cylinder rod of the cylinder is connected with the connecting rod; the rack which is fixedly arranged on the wheel tray and extends upwards is meshed with the gear which is pivoted at the middle part of the rack; a rack which is fixedly arranged on the pressure plate and extends downwards penetrates through a through hole arranged on the bracket and then is meshed with a gear which is pivoted in the middle of the rack; the side of the frame is provided with a wheel dynamic balancer which is provided with a balancing shaft; in the initial state: the distance from the upper contact surface of the pressure plate to the horizontal plane where the central axis of the balance shaft is located is equal to the distance from the lower contact surface of the wheel tray to the horizontal plane where the central axis of the balance shaft is located. The utility model improves the work efficiency of the dynamic balance detection of the wheel and reduces the operation difficulty.
Description
Technical Field
The utility model relates to the technical field of automobile maintenance equipment, in particular to a wheel lifting device for detecting dynamic balance of a wheel.
Background
When the dynamic balance of the automobile wheel is detected, a dynamic wheel balancer is needed, before detection is started, the wheel is required to be moved to a balance shaft of the dynamic wheel balancer, an operator is required to use an arm to carry the wheel to the balance shaft of the dynamic wheel balancer, or a wheel lifting device is used.
SUMMERY OF THE UTILITY MODEL
The utility model provides a wheel dynamic balance detection wheel lifting device, and aims to solve the defects of the prior art, improve the working efficiency of lifting a wheel dynamic balance detection wheel and reduce the operation difficulty.
The technical scheme adopted by the utility model for solving the technical problems is as follows:
wheel dynamic balance detects wheel hoisting device, its characterized in that:
the rack is provided with a chassis positioned at the bottom, a bracket positioned at the top and a gear pivoted in the middle of the rack;
the wheel tray is positioned above the chassis;
the wheel tray is provided with a transverse wheel tray hinge shaft sliding chute, and the chassis is provided with a transverse chassis hinge shaft sliding chute;
the upper end of the first connecting rod is hinged on a hinge shaft arranged on the wheel tray, and the hinge shaft hinged at the lower end of the first connecting rod is slidably inserted in a chassis hinge shaft sliding groove;
the lower end of the second connecting rod is hinged on a hinge shaft arranged on the chassis, and the hinge shaft hinged at the upper end of the second connecting rod is slidably inserted in a hinge shaft chute of the wheel tray;
the middle parts of the first connecting rod and the second connecting rod are hinged by a connecting rod hinge shaft;
a second connecting rod hinge shaft sliding groove is formed in the second connecting rod, the air cylinder is hinged to the chassis through a hinge shaft, and a hinge shaft hinged to the top end of an air cylinder rod of the air cylinder is slidably inserted into the second connecting rod hinge shaft sliding groove;
the rack which is fixedly arranged on the wheel tray and extends upwards is meshed with the gear which is pivoted at the middle part of the rack;
a rack which is fixedly arranged on the pressure plate and extends downwards penetrates through a through hole arranged on the bracket and then is meshed with a gear which is pivoted in the middle of the rack;
the lower surface of the pressure plate is provided with an upper contact surface;
the side of the frame is provided with a wheel dynamic balancer which is provided with a balancing shaft;
the contact surface of the wheel and the wheel tray is a lower contact surface;
in the initial state: the distance from the upper contact surface to the horizontal plane where the central axis of the balance shaft is located is equal to the distance from the lower contact surface to the horizontal plane where the central axis of the balance shaft is located.
And the upper contact surface is provided with a pressure sensor which is connected with a cylinder control system.
The upper surface of the wheel tray is provided with a V-shaped positioning groove for supporting a wheel; the central symmetry plane of the positioning groove and the central axis of the balance shaft are in the same vertical plane, and after the wheel is installed in the positioning groove, the axis of the wheel and the central symmetry plane of the positioning groove are in the same vertical plane.
A contact plate sliding rod is fixedly connected above the contact plate, the contact plate sliding rod penetrates through a through hole formed in the press plate, the upper part of the contact plate sliding rod is provided with a conical surface, the contact plate sliding rod and the contact plate are hung on the press plate, and the lower surface of the contact plate is an upper contact surface; the upper surface of the pressing plate is provided with a switch, the tail end of a pressure spring of the switch leans against the conical surface, and the switch is connected with a control system of the air cylinder; in the initial state: the distance from the lower contact surface to the horizontal plane where the central axis of the balance shaft is located is equal to the distance from the upper contact surface to the horizontal plane where the central axis of the balance shaft is located plus twice the wheel tray buffering distance.
The part of the contact plate slide bar below the conical surface is provided with a threaded section, an adjusting nut is screwed on the threaded section and presses the upper surface of the pressure plate, so that the contact plate slide bar and the contact plate are hung on the pressure plate.
The utility model has the advantages that:
the utility model utilizes the cylinder to drive the connecting rod mechanism to drive the wheel tray to rise, thereby driving the wheels to rise; the wheel tray and the contact plate are simultaneously meshed with the gear to realize that the wheel tray and the contact plate simultaneously move up and down for the same distance; the distance between the wheel tray and the contact plate is the same as that between the wheel tray and the balance shaft, the effect that the axis of the wheel can be finally overlapped with the axis of the balance shaft no matter the size of the wheel is achieved, the working efficiency of the dynamic balance detection of the wheel is improved, and the operation difficulty is reduced; the utility model also solves the adverse effect caused by the fact that the cylinder rod continues to extend after the cylinder is closed.
Drawings
The utility model is further illustrated with reference to the following figures and examples.
FIG. 1 is a diagram illustrating an action state of an unloaded wheel in embodiment 1 of the present invention;
FIG. 2 is a second diagram illustrating the operating state of the unloaded wheel in accordance with embodiment 1 of the present invention;
fig. 3 is a diagram illustrating a loading wheel operating state according to embodiment 1 of the present invention;
fig. 4 is a second diagram of the action state of the loading wheel in embodiment 1 of the present invention;
fig. 5 is a third diagram of the action state of the loading wheel in embodiment 1 of the present invention;
fig. 6 is a diagram illustrating a loading wheel operating state according to embodiment 2 of the present invention;
fig. 7 is a second diagram of the action state of the loading wheel in embodiment 2 of the present invention;
fig. 8 is a third diagram of the loading wheel action state in embodiment 2 of the present invention.
Detailed Description
In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description will be briefly introduced, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other embodiments can be obtained according to the drawings without inventive labor. In order to facilitate an understanding of the utility model, the utility model is described in more detail below with reference to the accompanying drawings and specific examples.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may be present. As used in this specification, the terms "upper," "lower," "inner," "outer," "bottom," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the utility model and simplicity in description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in fig. 1:
embodiment 1 of the present invention:
the utility model has a frame 1, the frame 1 has a chassis 11 at the bottom, a bracket 12 at the top, and a gear 13 pivoted in the middle of the frame 1.
The wheel tray 2 is located above the chassis 11.
The wheel tray 2 is provided with a transverse wheel tray hinge shaft sliding groove 22, and the chassis 11 is provided with a transverse chassis hinge shaft sliding groove 112.
The upper end of the first link 3 is hinged on a hinge shaft 31 mounted on the wheel tray 2, and a hinge shaft 32 hinged on the lower end of the first link 3 is slidably inserted in the chassis hinge shaft sliding groove 112.
The lower end of the second link 4 is hinged to a hinge shaft 41 mounted on the chassis 11, and a hinge shaft 42 hinged to the upper end of the second link 4 is slidably inserted in the wheel-pallet hinge shaft slide groove 22.
The middle portions of the first link 3 and the second link 4 are hinged by a link hinge shaft 34.
The second connecting rod 4 is provided with a second connecting rod hinge shaft sliding chute 43, the air cylinder 5 is hinged on the chassis 11 through a hinge shaft 50, and a hinge shaft 52 hinged at the top end of an air cylinder rod 51 of the air cylinder 5 is slidably inserted in the second connecting rod hinge shaft sliding chute 43.
In other embodiments, it is also possible to design that the top end of the cylinder rod 51 of the cylinder 5 is hinged on the hinge shaft 52, the hinge shaft 52 is slidably inserted in the first connecting rod hinge shaft sliding groove, and the second connecting rod hinge shaft sliding groove is opened on the first connecting rod 3, which is equivalent to the above solution.
The rack 23 which is fixedly arranged on the wheel tray 2 and extends upwards is meshed with the gear 13 which is pivoted at the middle part of the frame 1.
The pressing plate 6 is provided, and a rack 63 which is fixedly arranged on the pressing plate 6 and extends downwards penetrates through a through hole 121 arranged on the bracket 12 and then is meshed with a gear 13 which is pivoted at the middle part of the frame 1.
The lower surface of the pressing plate 6 is provided with a contact plate 61. The lower surface of the contact plate 61 is an upper contact surface a.
The upper surface of the wheel tray 2 is provided with a V-shaped positioning groove (not shown) for supporting a wheel.
The wheel dynamic balancer 7 is provided on the side of the frame 1, and the wheel dynamic balancer 7 has a balancing shaft 71.
The central symmetry plane of the positioning groove and the central axis of the balance shaft 71 are on the same vertical plane. After the wheel 9 is installed in the positioning groove, the axis of the wheel 9 and the central symmetry plane of the positioning groove are on the same vertical plane. The axis of the wheel 9 is on the same vertical plane as the central axis of the balance shaft 71 so that the wheel 9 moves vertically up and down and the axis of the wheel 9 moves up and down on the vertical plane where the central axis of the balance shaft 71 is located.
The contact surface of the wheel 9 and the wheel tray 2 is a lower contact surface B.
In the initial state, in the vertical direction, the distance AC from the upper contact surface a to the horizontal plane C on which the center axis of the balance shaft 71 is located, and the distance BC from the lower contact surface B to the horizontal plane C on which the center axis of the balance shaft 71 is located, the distance AC being equal to the distance BC.
The cylinder rod 51 of the cylinder 5 extends, the hinge shaft 52 hinged to the top end of the cylinder rod 51 slides in the second link hinge shaft slide slot 43, and simultaneously drives the lower end of the second link 4 to rotate counterclockwise around the hinge shaft 41, and the hinge shaft 42 at the upper end of the second link 4 slides in the wheel tray hinge shaft slide slot 22.
So that the wheel tray 2 moves upward. The lower contact surface B moves upward.
Since the middle portions of the first link 3 and the second link 4 are hinged by the link hinge shaft 34, the first link 3 is simultaneously driven by the wheel pallet 2 and the second link 4, the upper end of the first link 3 is hinged to rotate clockwise about the hinge shaft 31, and the hinge shaft 32 of the lower end of the first link 3 slides in the chassis hinge shaft sliding groove 112.
The first link 3 and the second link 4 together support the wheel pallet 2.
The wheel tray 2 moves upward, the rack 23 moves upward, the driving gear 13 rotates clockwise, the gear 13 drives the rack 63 to move downward, and the pressing plate 6 and the contact plate 61 move downward. The upper contact surface a moves downward.
Since the rack 23 and the rack 63 are simultaneously engaged with the gear 13, the rack 23 moves upward by the same distance as the gear 63 moves downward.
That is, when the lower contact surface B moves upward by a distance Δ BC, the upper contact surface a moves downward by a distance Δ AC, and Δ BC is equal to Δ AC.
In the state shown in fig. 2, when the wheel tray 2 is raised by Δ BC, the distance BC from the lower contact surface B to the horizontal plane C on which the center axis of the balancer shaft 71 is located is BC- Δ BC, and the distance AC from the upper contact surface a to the horizontal plane C on which the center axis of the balancer shaft 71 is located is AC- Δ AC. Distance AC 'is equal to distance BC'.
That is, the horizontal plane C on which the center axis of the balance shaft 71 is located is always the right middle position from the upper contact surface a to the lower contact surface B, regardless of how much the wheel tray 2 is raised and lowered.
As shown in fig. 3:
the axis of the wheel 9 is the axis of the wheel center hole.
The wheel 9 is pushed into the V-shaped locating groove of the wheel tray 2. When no positioning groove is arranged, the bar wheel 9 is pushed to a position which is calibrated in advance so that the axis of the wheel 9 and the central axis of the balance shaft 71 are positioned on the same vertical plane, or the bar wheel can be pushed to an approximate position and then fine-tuned.
The contact surface of the wheel 9 and the wheel tray 2 is a lower contact surface B.
The distance between the top surface D of the wheel 9 and the upper contact surface A is AD, and the plane where the axis of the wheel 9 is located is a wheel axis plane E.
As shown in fig. 4:
the cylinder 5 is operated to drive the wheel tray 2 until the upper contact surface a contacts the top surface D of the wheel 9.
It can be seen that the distance between lower contact level B and upper contact level a is reduced by distance AD, and from the upper analysis, lower contact level B rises by half distance AD (1/2AD), upper contact level a falls by half distance AD, and distance AC 'is equal to distance BC'.
At this time, the wheel axis plane E coincides with a horizontal plane C on which the center axis of the balance shaft 71 is located, at a position intermediate between the upper contact plane a and the lower contact plane B.
Then as shown in fig. 5:
the balance shaft 71 is inserted into the wheel center hole by pushing the frame 1 or the wheel dynamic balancer 7.
Regardless of the size of the wheel, as long as the wheel 9 is placed on the lower contact surface B of the wheel pallet 2 and the upper contact surface a contacts the top surface D of the wheel 9, the wheel axis plane E is inevitably coincident with the horizontal plane C on which the center axis of the balance shaft 71 is located, and the balance shaft 71 can be inserted into the wheel center hole without various complicated adjustments.
A pressure sensor can be arranged on the upper contact surface A, the pressure sensor is connected with a control system of the air cylinder 5, and when the pressure sensor receives pressure, a pressure signal is sent to the control system of the air cylinder 5 to control the automatic stop of the air cylinder 5, so that the automation is realized.
As shown in fig. 6, 7, and 8:
when the control cylinder 5 is powered off, the cylinder rods 51 of some cylinders 5 cannot stop immediately and can continue to extend out of the cylinders 5 for a certain distance, so that the wheel tray 2 can continue to rise, the rising distance is the wheel tray buffer distance F, and the pressing plate 6 also continues to fall by the wheel tray buffer distance F, so that the wheels 9 are pressed, and the deformation of the wheels 9 affects the accuracy.
Therefore, a contact plate slide rod 62 is fixedly connected above the contact plate 61, the contact plate slide rod 62 passes through a through hole 63 formed in the pressure plate 6, the upper part of the contact plate slide rod 62 is provided with a tapered surface 65, the part of the contact plate slide rod 62 below the tapered surface 65 is provided with a threaded section, an adjusting nut 64 is screwed on the threaded section, and the adjusting nut 64 presses on the upper surface of the pressure plate 6. So that contact plate slide bar 62 and contact plate 61 are hung on platen 6.
A switch 66 is also mounted on the upper surface of the pressure plate 6, and the end of a compression spring 67 of the switch 66 abuts against the tapered surface 65.
The switch 66 is connected with and controls the control system of the air cylinder 5, and the deformation of the switch compression spring 67 can trigger the switch 66 to close the air cylinder 5.
At the very beginning, corresponding to the state of fig. 1, the distance AC is equal to the distance BC.
Rotating the adjustment nut 64 lowers the contact plate slide bar 62 so that the adjustment nut 64 lowers until the lowering distance is twice the wheel tray cushion distance F.
The upper contact surface a is also lowered by twice the wheel-pallet cushion distance F from the original position at this time.
Thus, in the initial state of fig. 6, the distance BC is equal to the distance AC plus twice the wheel-pallet-cushioning distance F, i.e., BC is a + 2F.
The wheel 9 is then placed on the lower contact surface B of the wheel tray 2.
The switch pressure spring 67 is arranged so that in this position the switch 66 is not activated.
The cylinder 5 is activated and the wheel pallet 2 with the wheels 9 is lifted upwards, until the state of fig. 7: the upper contact surface a contacts the top surface D of the wheel 9.
Next, the wheel 9 continues to rise to push the contact plate 61, the contact plate slide rod 62 and the adjusting nut 64 upward, the end of the switch compression spring 67 abuts against the tapered surface 65, and as the tapered surface 65 rises, the switch compression spring 67 deforms, and the switch 66 is triggered to close the cylinder 5.
The rod 51 of the cylinder 5 will continue to extend out of the cylinder 5 by a distance, the wheel tray 2 will continue to rise by the wheel tray buffer distance F, and the pressing plate 6 will also continue to fall by the wheel tray buffer distance F, at which point the rod 51 stops extending, just reaching the state of fig. 8, where the distance AC 'is equal to the distance BC'. The wheel axis plane E coincides with the horizontal plane C on which the center axis of the balance shaft 71 is located. Referring then to FIG. 5: when the frame 1 is pushed or the wheel dynamic balancer 7 is pushed, the balancing shaft 71 is inserted into the wheel center hole.
This eliminates the effect of the continued extension of cylinder rod 51 on tire 9 after cylinder 5 is turned off.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (5)
1. Wheel dynamic balance detects wheel hoisting device, its characterized in that: the rack is provided with a chassis positioned at the bottom, a bracket positioned at the top and a gear pivoted in the middle of the rack; the wheel tray is positioned above the chassis; the wheel tray is provided with a transverse wheel tray hinge shaft sliding chute, and the chassis is provided with a transverse chassis hinge shaft sliding chute; the upper end of the first connecting rod is hinged on a hinge shaft arranged on the wheel tray, and the hinge shaft hinged at the lower end of the first connecting rod is slidably inserted in a chassis hinge shaft sliding groove; the lower end of the second connecting rod is hinged on a hinge shaft arranged on the chassis, and the hinge shaft hinged at the upper end of the second connecting rod is slidably inserted in a hinge shaft chute of the wheel tray; the middle parts of the first connecting rod and the second connecting rod are hinged by a connecting rod hinge shaft; a second connecting rod hinge shaft sliding groove is formed in the second connecting rod, the air cylinder is hinged to the chassis through a hinge shaft, and a hinge shaft hinged to the top end of an air cylinder rod of the air cylinder is slidably inserted into the second connecting rod hinge shaft sliding groove; the rack which is fixedly arranged on the wheel tray and extends upwards is meshed with the gear which is pivoted at the middle part of the rack; a rack which is fixedly arranged on the pressure plate and extends downwards penetrates through a through hole arranged on the bracket and then is meshed with a gear which is pivoted in the middle of the rack; the lower surface of the pressure plate is provided with an upper contact surface; the side of the frame is provided with a wheel dynamic balancer which is provided with a balancing shaft; the contact surface of the wheel and the wheel tray is a lower contact surface; in the initial state: the distance from the upper contact surface to the horizontal plane where the central axis of the balance shaft is located is equal to the distance from the lower contact surface to the horizontal plane where the central axis of the balance shaft is located.
2. The wheel dynamic balance detecting wheel lifting apparatus according to claim 1, wherein: and the upper contact surface is provided with a pressure sensor which is connected with a cylinder control system.
3. The wheel dynamic balance detecting wheel lifting apparatus according to claim 1, wherein: the upper surface of the wheel tray is provided with a V-shaped positioning groove for supporting a wheel; the central symmetry plane of the positioning groove and the central axis of the balance shaft are in the same vertical plane, and after the wheel is installed in the positioning groove, the axis of the wheel and the central symmetry plane of the positioning groove are in the same vertical plane.
4. The wheel dynamic balance detecting wheel lifting apparatus according to claim 1, wherein: a contact plate sliding rod is fixedly connected above the contact plate, penetrates through a through hole formed in the pressing plate, a conical surface is arranged at the upper part of the contact plate sliding rod, the contact plate sliding rod and the contact plate are hung on the pressing plate, and the lower surface of the contact plate is an upper contact surface; the upper surface of the pressing plate is provided with a switch, the tail end of a pressure spring of the switch leans against the conical surface, and the switch is connected with a control system of the air cylinder; in the initial state: the distance from the lower contact surface to the horizontal plane where the central axis of the balance shaft is located is equal to the distance from the upper contact surface to the horizontal plane where the central axis of the balance shaft is located plus twice the wheel tray buffering distance.
5. The wheel dynamic balance detecting wheel lifting device according to claim 4, wherein: the part of the contact plate slide bar below the conical surface is provided with a threaded section, an adjusting nut is screwed on the threaded section and presses the upper surface of the pressure plate, so that the contact plate slide bar and the contact plate are hung on the pressure plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220288078.8U CN216737420U (en) | 2022-02-14 | 2022-02-14 | Wheel dynamic balance detection wheel lifting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220288078.8U CN216737420U (en) | 2022-02-14 | 2022-02-14 | Wheel dynamic balance detection wheel lifting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216737420U true CN216737420U (en) | 2022-06-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220288078.8U Active CN216737420U (en) | 2022-02-14 | 2022-02-14 | Wheel dynamic balance detection wheel lifting device |
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| Country | Link |
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| CN (1) | CN216737420U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116443777A (en) * | 2023-06-09 | 2023-07-18 | 南京沃宇机电有限公司 | Vertical wheel self-centering lifting equipment, lifting method and application |
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2022
- 2022-02-14 CN CN202220288078.8U patent/CN216737420U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116443777A (en) * | 2023-06-09 | 2023-07-18 | 南京沃宇机电有限公司 | Vertical wheel self-centering lifting equipment, lifting method and application |
| CN116443777B (en) * | 2023-06-09 | 2023-09-19 | 伺轮智能机器人(南京)有限公司 | Vertical wheel self-centering lifting equipment, lifting method and application |
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