CN210255019U - Tightening mechanism and wheel tightening system - Google Patents
Tightening mechanism and wheel tightening system Download PDFInfo
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- CN210255019U CN210255019U CN201920825483.7U CN201920825483U CN210255019U CN 210255019 U CN210255019 U CN 210255019U CN 201920825483 U CN201920825483 U CN 201920825483U CN 210255019 U CN210255019 U CN 210255019U
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Abstract
The utility model relates to an automobile assembling technical field discloses a screw up mechanism and wheel system of screwing up. The tightening mechanism comprises a plurality of tightening shafts, wherein the tightening shafts are arranged in parallel, one end of each tightening shaft is connected with a sleeve, and the inner diameter of each sleeve is matched with the outer diameter of a bolt to be tightened; a screw drive assembly configured to drive the tightening shaft in rotation; the two turntables are arranged coaxially at intervals, a plurality of strip-shaped grooves are formed in each turntable, connecting lines between two end points of the strip-shaped grooves and the circle center of each turntable are triangular, the plurality of strip-shaped grooves in each turntable are arranged in one-to-one correspondence with the plurality of tightening shafts, and each tightening shaft sequentially penetrates through the corresponding strip-shaped grooves in the two turntables; and the rotary driving assembly can drive the two turntables to rotate simultaneously. When the rotary table rotates, the plurality of tightening shafts can move in the strip-shaped groove, so that the tightening reference circle can be adjusted to adapt to tightening of wheel nuts of different vehicle types.
Description
Technical Field
The utility model relates to an automobile assembling technical field especially relates to a screw up mechanism and wheel system of screwing up.
Background
The automobile tire is one of the important parts of the automobile, is directly contacted with the road surface, and is used for relieving the impact on the automobile when the automobile runs together with an automobile suspension, the tire also bears the weight of the automobile, and in order to ensure that the automobile has good riding comfort and running smoothness, the requirement on the connection and fixation between the wheel and the wheel axle is higher and higher.
In the prior art, two general tightening modes are available for wheel nuts or bolts, the first mode is to tighten each nut one by manually holding a pneumatic wrench, the precision of the tightening torque of the pneumatic wrench is low, the labor intensity of workers is high, the efficiency is low, and the balance of the torque on each nut cannot be ensured; the other method is to screw the nut by using a screw mechanism, but the screw shaft position of most existing screw mechanisms is not adjustable, and different vehicle types are different in screw torque, screw reference circle and the like, so that the existing screw mechanism cannot adapt to screw nuts or bolts of different vehicle types.
SUMMERY OF THE UTILITY MODEL
Based on above, an object of the utility model is to provide a screw up mechanism and wheel system of screwing up, its axle reference circle of screwing up can be adjusted to the wheel nut or the screwing up of bolt that adapt to different motorcycle types, and the precision is higher, can reduce workman's intensity of labour simultaneously, and work efficiency is higher.
In order to achieve the purpose, the utility model adopts the following technical proposal:
a tightening mechanism for tightening wheel bolts, comprising: the bolt tightening device comprises a plurality of tightening shafts, wherein the tightening shafts are arranged in parallel, one end of each tightening shaft is connected with a sleeve, and the inner diameter of each sleeve is matched with the outer diameter of a bolt to be tightened; a screw drive assembly configured to drive the tightening shaft in rotation; the two turntables are arranged coaxially at intervals, a plurality of strip-shaped grooves are formed in each turntable, connecting lines between two end points of the strip-shaped grooves and the circle center of each turntable are triangular, the plurality of strip-shaped grooves in each turntable are arranged in one-to-one correspondence with the plurality of tightening shafts, and each tightening shaft sequentially penetrates through the corresponding strip-shaped grooves in the two turntables; and the rotary driving assembly can drive the two turntables to rotate simultaneously.
As a preferable aspect of the tightening mechanism, the sleeve is detachably connected to the tightening shaft.
As a preferred scheme of tightening mechanism, the rotary driving assembly includes a first motor, a first driving gear disposed at an output end of the first motor, and a first driven gear engaged with the first driving gear, and the first driven gear is coaxially connected with the two turntables.
As a preferable aspect of the tightening mechanism, the number of the tightening shafts is five.
As a preferable aspect of the tightening mechanism, the triangle is an obtuse triangle.
A wheel tightening system, comprising: a walking trolley; the tightening mechanism as described above; the vertical frame is arranged on the walking trolley, and the tightening mechanism is arranged on the vertical frame in a sliding manner; a lift drive assembly configured to drive the tightening mechanism to reciprocate in a vertical direction.
As a preferable scheme of the wheel tightening system, the wheel tightening system further comprises a cross beam and a horizontal driving piece, the tightening mechanism is slidably mounted on the cross beam, the lifting driving assembly can drive the cross beam to reciprocate in the vertical direction, and the horizontal driving piece can drive the tightening mechanism to reciprocate in the horizontal direction.
As a preferred aspect of a wheel tightening system, the wheel tightening system further includes a connecting assembly including: the vertical frame is provided with a slide rail, the slide block is in sliding fit with the slide rail, and the slide block is pivoted with the cross beam; the first cylinder comprises a first cylinder body and a first telescopic rod in sliding fit with the first cylinder body, the first cylinder body is pivoted with the sliding block, and the first telescopic rod is pivoted with the cross beam.
As a preferable scheme of the wheel tightening system, the lifting driving assembly comprises a second motor, a belt, a rotating shaft and a retractor; the output of second motor with the coiler links to each other, the pivot rotate connect in the top of grudging post, the one end of belt is fixed on the coiler, the other end of belt is walked around the pivot with the slider rigid coupling, the second motor can drive the coiler will the belt is rolled up or is released.
As a preferred scheme of the wheel tightening system, universal wheels are arranged on the walking trolley.
The utility model has the advantages that:
the utility model provides a screw up mechanism for screw up wheel bolt. Many tighten up the axle and wear to locate the bar inslot on first carousel and the second carousel in proper order, the one end in bar groove sets up to the centre of a circle slope of carousel, and it is rotatory through setting up the rotatory drive assembly drive carousel, when the carousel is rotatory, can make many tighten up the axle and remove in the bar inslot to realize adjusting and tighten the reference circle, in order to adapt to the tightening of the wheel nut of different motorcycle types.
The utility model provides a wheel tightening system, which comprises the tightening mechanism, wherein the tightening mechanism is arranged on a vertical frame in a sliding manner and is driven to move in the vertical direction by a lifting driving assembly, so that the height of the tightening mechanism is adjusted to adapt to tightening of wheels of vehicles with different tightening heights; through setting up the walking dolly, can push away this tightening mechanism to the operation of appointed region, reduce workman's intensity of labour and cost of labor.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.
Fig. 1 is a schematic view of a wheel tightening system provided by the present invention from a perspective;
fig. 2 is a schematic view of the wheel tightening system provided by the present invention from another perspective;
fig. 3 is a schematic structural view of a tightening mechanism provided by the present invention;
fig. 4 is a cross-sectional view of a turntable provided by the present invention;
fig. 5 is a schematic structural diagram of a retractor provided by the present invention.
In the figure:
11-tightening shaft, 12-rotating disc, 121-strip groove, 13-rotary driving component, 131-first motor, 132-first driven gear, 14-shell, 15-handle;
2-a walking trolley, 21-universal wheels;
3-erecting a frame;
4-lifting driving assembly, 41-second motor, 42-belt, 43-rotation shaft, 44-retractor, 441-retractor housing, 442-snap block, 443-reel, 444-clutch lever;
5-a cross beam;
61-slide, 62-first cylinder.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "right", etc. are used in an orientation or positional relationship based on that shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
As shown in fig. 1-2, the present embodiment provides a wheel tightening system that includes a tightening mechanism for tightening a wheel bolt or nut. For convenience of description, the present embodiment will be described by taking the tightening of the wheel bolts as an example.
As shown in fig. 3, the tightening mechanism includes a plurality of tightening shafts 11, a sleeve is connected to one end of the tightening shafts 11, the inner diameter of the sleeve is matched with the outer diameter of the bolt to be tightened, and a screw driving assembly is configured to drive the tightening shafts 11 to rotate to tighten the bolt to be tightened. Of course, in other embodiments, the outer diameter of the sleeve is adapted to the inner diameter of the wheel nut when the tightening mechanism is used to tighten the wheel nut. Specifically, in the present embodiment, the screwing driving assembly includes a third motor, a second driving gear disposed at an output end of the third motor, and a plurality of second driven gears engaged with the second driving gear, the plurality of second driven gears are uniformly distributed along a circumferential direction of the second driving gear, and the plurality of second driven gears are correspondingly connected to the plurality of tightening shafts 11 through a universal joint coupler, so that the plurality of tightening shafts 11 are simultaneously driven to rotate by the third motor. Of course, in other embodiments, a plurality of third motors may be provided, each having an output connected to one of the tightening shafts 11. By setting the rotation speeds of the plurality of third motors to be the same, simultaneous rotation of the plurality of tightening shafts 11 is achieved, and other arrangements capable of driving the plurality of tightening shafts 11 to rotate simultaneously may be adopted.
Further, this tightening mechanism still includes carousel 12 and rotation driving assembly 13, carousel 12 is provided with two, two carousel 12 intervals and coaxial setting, all be provided with a plurality of bar grooves 121 on each carousel 12, the line between two liang of centers of a circle of bar groove 121 and carousel 12 is triangle-shaped, a plurality of bar grooves 121 on each carousel 12 all with a plurality of tightening shaft 11 one-to-one setting, tightening shaft 11 passes corresponding bar groove 121 on two carousels 12 in proper order, rotation driving assembly 13 can drive two carousel 12 and rotate simultaneously. When the rotary driving assembly 13 drives the rotary table 12 to rotate, the tightening shaft 11 can move in the strip-shaped groove 121, so that the function of adjusting the tightening reference circle is realized. The plurality of strip-shaped grooves 121 are uniformly distributed on the circumference with the center of rotation of the rotary table 12 as the center of circle, preferably, a triangle formed between two ends of the strip-shaped grooves 121 and a connecting line between every two centers of circle of the rotary table 12 is an obtuse triangle, so that the adjustment of the tightening reference circle and the movement of the plurality of tightening shafts 11 in the corresponding strip-shaped grooves 121 are facilitated. As shown in fig. 4, in the current view, when the rotary driving assembly 13 drives the rotary table 12 to rotate clockwise, the plurality of tightening shafts 11 all move towards the center of the rotary table 12, and the diameter of the tightening reference circle decreases; when the rotary driving assembly 13 drives the rotary table 12 to rotate counterclockwise, the tightening shafts 11 all move away from the center of the rotary table 12, and the diameter of the tightening reference circle increases.
Preferably, the sleeve and the tightening shaft 11 are detachably connected, in the embodiment, the sleeve is provided with a plurality of types, nuts which can be screwed by the sleeves of different types are different in size, and the sleeve is installed on the tightening shaft 11 according to different types of vehicles and types of wheel nuts during field operation, so that the operation is simple and the adaptability is strong.
In the present embodiment, the number of tightening shafts 11 is five, which can accommodate tightening of five-axis wheel nuts. Of course, in other embodiments, the number of the tightening shafts 11 may be four to adapt to tightening of the four-axis wheel nuts, and the number of the tightening shafts 11 may also be adjusted according to actual operation needs to adapt to vehicle models with inconsistent wheel nuts.
Further, the rotation driving assembly 13 includes a first motor 131, a first driving gear disposed at an output end of the first motor 131, and a first driven gear 132 engaged with the first driving gear, wherein the first driven gear 132 is coaxially connected to the rotating disc 12. The first motor 131 drives the first driving gear to rotate, and the first driving gear drives the first driven gear 132 to rotate, so as to realize the rotation of the turntable 12 coaxially connected with the first driven gear 132.
Further, the tightening mechanism further comprises a housing 14, the screw driving assembly and the rotary disk 12 are both arranged inside the housing 14, the tightening shaft 11 partially penetrates through the end face of the housing 14, and the first motor 131 is arranged on the outer surface of the housing 14. Preferably, a handle 15 is further provided on the housing 14, a switch button of the third motor is provided on the handle 15, and an operator adjusts the rotation of the plurality of tightening shafts 11 by touching the switch button on the handle 15, which is simple and convenient to operate.
With continued reference to fig. 1-2, due to the different heights of the wheel bolts of different vehicle models in the prior art, in order to facilitate adjustment of the tightening height of the tightening mechanism, the wheel tightening system further comprises a stand 3 and a lifting drive assembly 4, the tightening mechanism is slidably disposed on the stand 3, and the lifting drive assembly 4 is configured to drive the tightening mechanism to reciprocate in the vertical direction.
In order to conveniently adjust the position of the tightening mechanism in the horizontal direction so as to accurately tighten the wheel nuts, the wheel tightening system further comprises a cross beam 5 and a horizontal driving piece, wherein the tightening mechanism is slidably mounted on the cross beam 5, the lifting driving assembly 4 can drive the cross beam 5 to reciprocate in the vertical direction, and the horizontal driving piece can drive the tightening mechanism to reciprocate in the horizontal direction. Preferably, in this embodiment, the horizontal driving member is a second cylinder, a second cylinder of the second cylinder is disposed on the cross beam 5, and a second telescopic rod of the second cylinder is connected to the tightening mechanism, so as to realize the reciprocating motion of the tightening mechanism along the horizontal direction.
Further, this wheel system of screwing up still includes coupling assembling, and coupling assembling includes slider 61 and first cylinder 62, installs the slide rail on the grudging post 3, slider 61 and slide rail sliding fit, slider 61 and the pin joint of crossbeam 5, first cylinder 62 include first cylinder body and with first cylinder body sliding fit's first telescopic link, first cylinder body and the pin joint of slider 61, first telescopic link and the pin joint of crossbeam 5. Through the extension and the shortening of the first telescopic link of first cylinder 62, can adjust the contained angle of screwing up mechanism and horizontal direction.
Further, the lifting driving assembly 4 comprises a second motor 41, a belt 42, a rotating shaft 43 and a retractor 44, an output end of the second motor 41 is connected with the retractor 44, the rotating shaft 43 is rotatably connected to a top end of the stand 3, one end of the belt 42 is fixed on the retractor 44, the other end of the belt 42 is fixedly connected with the sliding block 61 by bypassing the rotating shaft 43, and the second motor 41 can drive the retractor 44 to wind up or release the belt 42. Specifically, when the second motor 41 drives the retractor 44 to rotate in the first direction, the belt 42 can be retracted on the retractor 44, so that one end of the belt 42 away from the second motor 41 can drive the cross beam 5 and the tightening mechanism to move upwards; when the second motor 41 drives the retractor 44 to rotate in the second direction, the belt 42 slackens, causing the tightening mechanism to move downward due to its weight.
Further, as shown in fig. 5, the retractor 44 includes a retractor housing 441 and a spool 443 rotatably coupled to the retractor housing 441, the belt 42 is fixed to the spool 443, and the second motor 41 is configured to drive the spool 443 to rotate to wind up or release the belt 42. Preferably, the retractor 44 further includes a catching block 442 and a clutch lever 444, the catching block 442 is provided on the retractor housing 441, a middle portion of the clutch lever 444 is coupled to the spool 443 by a shaft pin, and one end of the clutch lever 444 is coupled to the spool 443 by a spring. When the second motor 41 drives the spool 443 to rotate in the first direction or the second direction during normal operation, the clutch lever 444 can rotate synchronously with the spool 443, and at this time, the clutch lever 444 does not contact the catching block 442 during rotation. When the tightening mechanism is dropped rapidly, such as the cross beam 5 and the slider 61 are broken or the second motor 41 is failed to cause the tightening mechanism to fall freely, the rotation speed of the reel 443 exceeds V1At this time, the clutch lever 444 is rotated in the direction of the compression spring by the centrifugal force, and the tooth end of the clutch lever 444 is extended in the direction away from the center of the spool 443 and can be abutted and clamped against the engaging piece 442, so that the tightening mechanism stops dropping, thereby protecting the tightening mechanism from being damaged. Wherein the maximum rotation speed of the second motor 41 during normal operation of the wheel tightening system is less than V1。
Further, this wheel system of screwing up still includes walking dolly 2, and grudging post 3 sets up on walking dolly 2, is provided with universal wheel 21 on the walking dolly 2, and it can be 360 rotations in the horizontal plane to allow it to the structure of universal wheel 21, makes things convenient for operating personnel to push away this hoist to the optional position in the horizontal plane. The walking trolley 2 is also provided with a brake, and after the walking trolley 2 is pushed to a proper position by an operator, the walking trolley 2 is locked, so that the walking trolley 2 can be ensured to be fixed at any position in a horizontal plane. Preferably, the traveling trolley 2 is made of aluminum alloy, so that the weight of the lifting appliance can be reduced. In order to facilitate the operator to move the walking trolley 2, the walking trolley 2 is also provided with a handle.
It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.
Claims (10)
1. A tightening mechanism for tightening a wheel bolt, comprising:
the bolt tightening device comprises a plurality of tightening shafts (11), wherein the tightening shafts (11) are arranged in parallel, one end of each tightening shaft (11) is connected with a sleeve, and the inner diameter of each sleeve is matched with the outer diameter of a bolt to be tightened;
a screw drive assembly configured to be able to drive the tightening shaft (11) in rotation;
the two turntables (12) are arranged coaxially at intervals, a plurality of strip-shaped grooves (121) are formed in each turntable (12), connecting lines between two end points of each strip-shaped groove (121) and the circle center of each turntable (12) are triangular, the plurality of strip-shaped grooves (121) in each turntable (12) are arranged in one-to-one correspondence with the plurality of tightening shafts (11), and each tightening shaft (11) sequentially penetrates through the corresponding strip-shaped grooves (121) in the two turntables (12);
a rotary drive assembly (13) capable of driving the two turntables (12) to rotate simultaneously.
2. Tightening mechanism according to claim 1, characterized in that the sleeve is detachably connected to the tightening shaft (11).
3. The tightening mechanism according to claim 1, characterized in that the rotary drive assembly (13) comprises a first motor (131), a first driving gear provided at an output of the first motor (131), and a first driven gear (132) engaged with the first driving gear, the first driven gear (132) being coaxially connected to the two rotary discs (12).
4. Tightening mechanism according to claim 1, characterized in that the number of tightening shafts (11) is five.
5. The tightening mechanism according to any one of claims 1 to 4, wherein the triangle is an obtuse triangle.
6. A wheel tightening system, comprising:
a walking trolley (2);
the tightening mechanism of any one of claims 1-5;
the vertical frame (3) is arranged on the walking trolley (2), and the tightening mechanism is arranged on the vertical frame (3) in a sliding manner;
a lift drive assembly (4), the lift drive assembly (4) configured to drive the tightening mechanism to reciprocate in a vertical direction.
7. The wheel tightening system according to claim 6, characterized in that the wheel tightening system further comprises a cross beam (5) on which the tightening mechanism is slidably mounted, the lifting drive assembly (4) being capable of driving the cross beam (5) to reciprocate in a vertical direction, and a horizontal drive capable of driving the tightening mechanism to reciprocate in a horizontal direction.
8. The wheel tightening system according to claim 7, further comprising a connection assembly, the connection assembly including:
the sliding block (61) is provided with a sliding rail, the sliding block (61) is in sliding fit with the sliding rail, and the sliding block (61) is pivoted with the cross beam (5);
the first cylinder (62) comprises a first cylinder body and a first telescopic rod in sliding fit with the first cylinder body, the first cylinder body is pivoted with the sliding block (61), and the first telescopic rod is pivoted with the cross beam (5).
9. The wheel tightening system according to claim 8, characterized in that the lifting drive assembly (4) includes a second motor (41), a belt (42), a rotating shaft (43), and a retractor (44);
the output of second motor (41) with retractor (44) links to each other, pivot (43) rotate connect in the top of grudging post (3), the one end of belt (42) is fixed on retractor (44), the other end of belt (42) is walked around pivot (43) with slider (61) rigid coupling, second motor (41) can drive retractor (44) will belt (42) is curled up or is released.
10. Wheel tightening system according to claim 6, characterized in that the walking trolley (2) is provided with universal wheels (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920825483.7U CN210255019U (en) | 2019-06-03 | 2019-06-03 | Tightening mechanism and wheel tightening system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920825483.7U CN210255019U (en) | 2019-06-03 | 2019-06-03 | Tightening mechanism and wheel tightening system |
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| Publication Number | Publication Date |
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| CN210255019U true CN210255019U (en) | 2020-04-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920825483.7U Active CN210255019U (en) | 2019-06-03 | 2019-06-03 | Tightening mechanism and wheel tightening system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112264791A (en) * | 2020-10-15 | 2021-01-26 | 山东中车同力达智能机械有限公司 | Ground moving type shaft end bolt tightening machine and use method thereof |
| CN114161131A (en) * | 2021-12-20 | 2022-03-11 | 浙江广厦建设职业技术大学 | Machining assembly equipment |
| CN114227230A (en) * | 2021-12-09 | 2022-03-25 | 山东中车同力达智能装备有限公司 | Shaft end and shaft box cover reducing bolt tightening machine and using method thereof |
-
2019
- 2019-06-03 CN CN201920825483.7U patent/CN210255019U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112264791A (en) * | 2020-10-15 | 2021-01-26 | 山东中车同力达智能机械有限公司 | Ground moving type shaft end bolt tightening machine and use method thereof |
| CN114227230A (en) * | 2021-12-09 | 2022-03-25 | 山东中车同力达智能装备有限公司 | Shaft end and shaft box cover reducing bolt tightening machine and using method thereof |
| CN114161131A (en) * | 2021-12-20 | 2022-03-11 | 浙江广厦建设职业技术大学 | Machining assembly equipment |
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