CN214583822U - Hold-down mechanism for dynamic balance detection of outer edge of flywheel disc of automobile - Google Patents
Hold-down mechanism for dynamic balance detection of outer edge of flywheel disc of automobile Download PDFInfo
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- CN214583822U CN214583822U CN202120753920.6U CN202120753920U CN214583822U CN 214583822 U CN214583822 U CN 214583822U CN 202120753920 U CN202120753920 U CN 202120753920U CN 214583822 U CN214583822 U CN 214583822U
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Abstract
The utility model relates to the technical field of automobile zero detection, in particular to a pressing mechanism for detecting dynamic balance of the outer edge of an automobile flywheel panel, which is arranged right above a rotating bracket on a detection platform and comprises a support and a lifting type positioning pressing mechanism positioned below the support, wherein the support is of a disc-shaped cavity structure, the support is horizontally arranged right above the detection platform through a frame, and the lifting type positioning pressing mechanism comprises a driving mechanism, a lifting assembly and a synchronous lifting pressing assembly; the driving mechanism comprises a stepping motor, a central large bevel gear and a linear adjusting assembly, the lifting assembly comprises a guide pillar and a lifting ring, and the synchronous lifting pressing assembly is arranged at the lower end of the lifting ring and is positioned right above the rotating bracket arranged on the detection platform. The utility model discloses simple structure can be stable, reliable will place the rim plate on rotating the bracket and carry out longitudinal positioning for rotate the bracket and can not appear the phenomenon of beating from top to bottom in driving the rim plate pivoted, improved subsequent detection quality.
Description
Technical Field
The utility model relates to an automobile zero detects technical field, concretely relates to automobile flywheel dish outward flange dynamic balance detects uses hold-down mechanism.
Background
The flywheel is one of important parts of an automobile engine and is formed by combining a wheel disc and an inner gear ring welded on the circumference of the wheel disc. The end face of the wheel disc is provided with a plurality of through holes, such as a central hole arranged in the middle of the wheel disc, a positioning pin hole used for realizing the positioning of the wheel disc, a bolt hole used for being in threaded connection with an engine crankshaft, a mounting hole used for mounting a hydraulic torque converter and the like.
When the wheel disc is produced, certain requirements are met on the machining size of the wheel disc according to specific models and the installation requirements of the inner gear ring, and therefore after the wheel disc is machined, the quality of the wheel disc needs to be detected, and the qualification rate of products in the later period is improved.
Because when examining, can't make the judgement through the naked eye, examine time measuring at the wheel dish among the prior art, place its level on rotating the bracket, rotate the bracket and drive the wheel dish and rotate, utilize check out test set to its edge, but the phenomenon that the terminal surface can appear jumping from top to bottom in the wheel dish when detecting, lead to the detection quality relatively poor.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an outer edge dynamic balance of car flywheel dish detects uses hold-down mechanism.
To achieve the purpose, the utility model adopts the following technical proposal:
the pressing mechanism for the dynamic balance detection of the outer edge of the flywheel disc of the automobile is arranged right above a rotating bracket on a detection platform and comprises a support and a lifting type positioning pressing mechanism positioned below the support, wherein the support is of a disc-shaped cavity structure, the support is horizontally arranged right above the detection platform through a rack, and the lifting type positioning pressing mechanism comprises a driving mechanism, a lifting assembly and a synchronous lifting pressing assembly;
the driving mechanism comprises a stepping motor, a central large bevel gear and linear adjusting assemblies, the central large bevel gear is horizontally arranged in a support, the stepping motor is arranged on the support, a driving end of the stepping motor is connected with a driving shaft for installing the central large bevel gear, the linear adjusting assemblies are horizontally arranged in the support and annularly distributed on the periphery of the central large bevel gear, a power input end of each linear adjusting assembly is connected with the central large bevel gear, and adjusting grooves which correspond to the linear adjusting assemblies one to one are formed in the lower end of the support;
the lifting assembly comprises a guide pillar and a lifting ring, the guide pillar is vertically arranged at the central position of the lower end face of the support, the lifting ring is horizontally sleeved on the guide pillar in a sliding manner, the periphery of the lifting ring is connected with the adjusting end of the linear adjusting assembly through a support rod, one end of the support rod is hinged with the lifting ring, and the other end of the support rod is hinged with the adjusting end of the linear adjusting assembly;
the synchronous lifting compression assembly is arranged at the lower end of the lifting ring and is positioned right above the rotating bracket arranged on the detection platform.
Preferably, the synchronous lifting and pressing assembly comprises a lifting seat and a rotating and pressing assembly, the lifting seat is horizontally arranged at the lower end of the lifting ring through a positioning frame, the rotating and pressing assembly is arranged at the lower end of the lifting seat, and the lifting seat is located right above the rotating bracket.
Preferably, each linear adjusting assembly comprises a lead screw, a small bevel gear and a transverse sliding seat, the lead screw is horizontally and rotatably installed in the support and is positioned right above the adjusting groove, the small bevel gear is installed at the end part of the lead screw, the small bevel gear is meshed with the large bevel gear, and the transverse sliding seat is installed on the lead screw in a threaded manner and is in sliding fit with the support;
the upper end of the stay bar is hinged with the lower end of the transverse sliding seat.
Preferably, the rotating and pressing assembly comprises a rotating bearing and a pressing plate, the pressing plate is horizontally and rotatably mounted at the lower end of the lifting seat through the rotating bearing, and a rubber pad is bonded on the lower end face of the pressing plate.
Preferably, the lower end surface of the pressure plate is provided with an inverted circular truncated cone-shaped bulge.
Has the advantages that: the utility model discloses when using, set up directly over testing platform to be located and rotate the bracket directly over, before carrying on the detection of rim plate, utilize the utility model discloses compress tightly the rim plate level on rotating the bracket, realize the location to the rim plate, prevent to rotate the bracket and drive the rim plate and rotate the phenomenon that the rim plate appears jumping from top to bottom, improved the detection quality of follow-up detection;
after the wheel disc is horizontally prevented from being on the rotating bracket, a stepping motor is started, the stepping motor drives a central large bevel gear to rotate through a driving shaft, the central large bevel gear drives a small bevel gear to rotate, so that a lead screw is driven to rotate, the lead screw drives a transverse sliding seat to do linear motion when rotating, and drives a lifting ring to descend along a guide pillar in the vertical direction through a support rod, the lifting ring drives a lifting seat to synchronously descend through a positioning frame when descending, so that a pressing plate positioned at the lower end of a synchronous seat presses the upper surface of the wheel disc, the wheel disc is positioned, the phenomenon that the wheel disc jumps up and down during detection is prevented, and the positioning mode is stable, reliable and convenient;
in order to facilitate the rotation of the wheel disc, the pressing plate is connected with the lifting seat through the rotating bearing, and the circumferential rotation of the wheel disc driven by the rotating bracket is not influenced while the wheel disc is pressed;
the utility model discloses simple structure can be stable, reliable will place the rim plate on rotating the bracket and carry out longitudinal positioning for rotate the bracket and can not appear the phenomenon of beating from top to bottom in driving the rim plate pivoted, improved subsequent detection quality.
Drawings
In order to more clearly illustrate the technical solution of the embodiments of the present invention, the drawings in the embodiments of the present invention are briefly described below.
FIG. 1 is a schematic view of the internal structure of a support;
FIG. 2 is an enlarged view taken at A in FIG. 1;
fig. 3 is a cross-sectional view of a bottom view of the present invention;
FIG. 4 is an enlarged view at B in FIG. 3;
fig. 5 is a structural view of the bottom view of the present invention;
FIG. 6 is an enlarged view at C of FIG. 5;
1-support, 2-adjusting groove, 3-driving shaft, 4-central big bevel gear, 5-lead screw, 6-small bevel gear, 7-transverse sliding seat, 8-guide column, 9-lifting ring, 10-support rod, 11-positioning frame, 12-lifting seat, 13-rotating bearing, 14-pressing plate and 15-truncated cone-shaped bulge.
Detailed Description
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; for a better understanding of the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product.
Referring to fig. 1 to 6, the pressing mechanism for detecting the dynamic balance of the outer edge of the flywheel disc of the automobile is arranged right above a rotating bracket on a detection platform and comprises a support 1 and a lifting type positioning pressing mechanism positioned below the support 1, wherein the support 1 is of a disc-shaped cavity structure, the support 1 is horizontally arranged right above the detection platform through a rack, and the lifting type positioning pressing mechanism comprises a driving mechanism, a lifting assembly and a synchronous lifting pressing assembly;
the driving mechanism comprises a stepping motor (not shown in the figure), a central large bevel gear 4 and linear adjusting assemblies, wherein the central large bevel gear 4 is horizontally arranged in a support 1, the stepping motor is arranged on the support 1, a driving end of the stepping motor is connected with a driving shaft 3 for mounting the central large bevel gear 4, a plurality of linear adjusting assemblies are horizontally arranged in the support 1 and annularly distributed on the periphery of the central large bevel gear 4, a power input end of each linear adjusting assembly is connected with the central large bevel gear 4, and the lower end of the support 1 is provided with adjusting grooves 2 which are in one-to-one correspondence with the linear adjusting assemblies;
the lifting assembly comprises a guide pillar 8 and a lifting ring 9, the guide pillar 8 is vertically arranged at the central position of the lower end face of the support 1, the lifting ring 9 is horizontally sleeved on the guide pillar 8 in a sliding manner, the periphery of the lifting ring 9 is connected with the adjusting end of the linear adjusting assembly through a support rod 10, one end of the support rod 10 is hinged with the lifting ring 9, and the other end of the support rod is hinged with the adjusting end of the linear adjusting assembly;
the synchronous lifting pressing assembly is arranged at the lower end of the lifting ring 9 and is positioned right above the rotating bracket arranged on the detection platform.
In this embodiment, synchronous lift compresses tightly the subassembly and includes lift seat 12 and rotation and compresses tightly the subassembly, lift seat 12 passes through locating rack 11 level and sets up the lower extreme at the lift ring, rotates to compress tightly the subassembly and installs the lower extreme of lift seat 12, and lift seat 12 is located and rotates the bracket directly over.
In the embodiment, each linear adjusting assembly comprises a lead screw 5, a small bevel gear 6 and a transverse sliding seat 7, wherein the lead screw 5 is horizontally and rotatably installed in the support 1 and is positioned right above the adjusting groove 2, the small bevel gear 6 is installed at the end part of the lead screw 5, the small bevel gear 6 is meshed with the large bevel gear 4, and the transverse sliding seat 7 is threadedly installed on the lead screw 5 and is in sliding fit with the support 1;
the upper end of the stay bar 10 is hinged with the lower end of the cross sliding seat 7.
In this embodiment, the rotating pressing assembly includes a rotating bearing 13 and a pressing plate 14, the pressing plate 14 is horizontally and rotatably mounted at the lower end of the lifting seat 12 through the rotating bearing 13, and a rubber pad is bonded to the lower end surface of the pressing plate 14, so as to improve the friction force during contact.
In this embodiment, the lower end surface of the pressing plate is provided with an inverted circular truncated cone-shaped protrusion 15, which corresponds to the upper end surface of the wheel disc in shape, so as to facilitate better positioning and pressing.
The utility model discloses when using, set up directly over testing platform to be located and rotate the bracket directly over, before carrying on the detection of rim plate, utilize the utility model discloses compress tightly the rim plate level on rotating the bracket, realize the location to the rim plate, prevent to rotate the bracket and drive the rim plate and rotate the phenomenon that the rim plate appears jumping from top to bottom, improved the detection quality of follow-up detection;
after the wheel disc is horizontally prevented from being on the rotating bracket, a stepping motor is started, the stepping motor drives a central large bevel gear 4 to rotate through a driving shaft 3, the central large bevel gear 4 drives a small bevel gear 6 to rotate, so that a lead screw 5 is driven to rotate, the lead screw 5 drives a transverse sliding seat 7 to do linear motion when rotating, and drives a lifting ring 9 to descend along a guide post 8 in the vertical direction through a support rod 10, the lifting ring 9 drives a lifting seat 12 to synchronously descend through a positioning frame 11 when descending, so that a pressing plate 14 positioned at the lower end of the synchronous seat 12 presses the upper surface of the wheel disc, the wheel disc is positioned, the phenomenon that the wheel disc jumps up and down when detecting is prevented, and the positioning mode is stable, reliable and convenient;
in order to facilitate the rotation of the wheel disc, the pressing plate is connected with the lifting seat through the rotating bearing, and the circumferential rotation of the wheel disc driven by the rotating bracket is not influenced while the wheel disc is pressed;
the utility model discloses simple structure can be stable, reliable will place the rim plate on rotating the bracket and carry out longitudinal positioning for rotate the bracket and can not appear the phenomenon of beating from top to bottom in driving the rim plate pivoted, improved subsequent detection quality.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (5)
1. A hold-down mechanism for dynamic balance detection of the outer edge of an automobile flywheel disc is arranged right above a rotating bracket on a detection platform and comprises a support (1) and a lifting type positioning hold-down mechanism positioned below the support (1), and is characterized in that the support (1) is of a disc-shaped cavity structure, the support (1) is horizontally arranged right above the detection platform through a rack, and the lifting type positioning hold-down mechanism comprises a driving mechanism, a lifting assembly and a synchronous lifting hold-down assembly;
the driving mechanism comprises a stepping motor, a central large bevel gear (4) and linear adjusting assemblies, the central large bevel gear (4) is horizontally arranged in a support (1), the stepping motor is installed on the support (1), a driving end of the stepping motor is connected with a driving shaft (3) for installing the central large bevel gear (4), the linear adjusting assemblies are horizontally arranged in the support (1) and annularly distributed on the periphery of the central large bevel gear (4), the power input ends of the linear adjusting assemblies are connected with the central large bevel gear (4), and adjusting grooves (2) corresponding to the linear adjusting assemblies one to one are formed in the lower end of the support (1);
the lifting assembly comprises a guide post (8) and a lifting ring (9), the guide post (8) is vertically arranged at the central position of the lower end face of the support (1), the horizontal sliding sleeve of the lifting ring (9) is arranged on the guide post (8), the periphery of the lifting ring (9) is connected with the adjusting end of the linear adjusting assembly through a support rod (10), one end of the support rod (10) is hinged with the lifting ring (9), and the other end of the support rod is hinged with the adjusting end of the linear adjusting assembly;
the synchronous lifting pressing assembly is arranged at the lower end of the lifting ring (9) and is positioned right above the rotating bracket arranged on the detection platform.
2. The pressing mechanism for detecting the dynamic balance of the outer edge of the automobile flywheel disc as claimed in claim 1, wherein the synchronous lifting pressing assembly comprises a lifting seat (12) and a rotating pressing assembly, the lifting seat (12) is horizontally arranged at the lower end of the lifting ring (9) through a positioning frame (11), the rotating pressing assembly is installed at the lower end of the lifting seat (12), and the lifting seat (12) is located right above the rotating bracket.
3. The pressing mechanism for detecting the dynamic balance of the outer edge of the flywheel disc of the automobile as claimed in claim 1, wherein each linear adjusting assembly comprises a lead screw (5), a small bevel gear (6) and a traverse slide (7), the lead screw (5) is horizontally and rotatably installed in the support (1) and is positioned right above the adjusting groove (2), the small bevel gear (6) is installed at the end of the lead screw (5), the small bevel gear (6) is meshed with the large bevel gear (4), and the traverse slide (7) is threadedly installed on the lead screw (5) and is in sliding fit with the support (1);
the upper end of the stay bar (10) is hinged with the lower end of the transverse sliding seat (7).
4. The pressing mechanism for detecting the dynamic balance of the outer edge of the flywheel disc of the automobile according to claim 2, wherein the rotating pressing assembly comprises a rotating bearing (13) and a pressing plate (14), the pressing plate (14) is horizontally and rotatably installed at the lower end of the lifting seat (12) through the rotating bearing (13), and a rubber pad is bonded on the lower end surface of the pressing plate (14).
5. The pressing mechanism for detecting the dynamic balance of the outer edge of the flywheel disc of the automobile as claimed in claim 4, wherein the lower end face of the pressing plate (14) is provided with an inverted truncated cone-shaped protrusion (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120753920.6U CN214583822U (en) | 2021-04-13 | 2021-04-13 | Hold-down mechanism for dynamic balance detection of outer edge of flywheel disc of automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120753920.6U CN214583822U (en) | 2021-04-13 | 2021-04-13 | Hold-down mechanism for dynamic balance detection of outer edge of flywheel disc of automobile |
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| Publication Number | Publication Date |
|---|---|
| CN214583822U true CN214583822U (en) | 2021-11-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120753920.6U Active CN214583822U (en) | 2021-04-13 | 2021-04-13 | Hold-down mechanism for dynamic balance detection of outer edge of flywheel disc of automobile |
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| CN (1) | CN214583822U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116147837A (en) * | 2023-04-18 | 2023-05-23 | 湖北工业大学 | Centroid inertia measuring system and measuring method of aircraft |
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2021
- 2021-04-13 CN CN202120753920.6U patent/CN214583822U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116147837A (en) * | 2023-04-18 | 2023-05-23 | 湖北工业大学 | Centroid inertia measuring system and measuring method of aircraft |
| CN116147837B (en) * | 2023-04-18 | 2023-06-30 | 湖北工业大学 | Centroid inertia measuring system and measuring method of aircraft |
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