CN204997328U - Differential mechanism sub -unit driven gear bolt tightening device - Google Patents
Differential mechanism sub -unit driven gear bolt tightening device Download PDFInfo
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- CN204997328U CN204997328U CN201520760184.1U CN201520760184U CN204997328U CN 204997328 U CN204997328 U CN 204997328U CN 201520760184 U CN201520760184 U CN 201520760184U CN 204997328 U CN204997328 U CN 204997328U
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Abstract
The utility model relates to automobile manufacturing's technical field discloses a differential mechanism sub -unit driven gear bolt tightening device. This differential mechanism sub -unit driven gear bolt tightening device includes: the supporting seat, the slip table subassembly, the gliding slip table of vertical direction can be followed at the supporting seat to the assembly of sliding, the gliding drive arrangement of drive slip table, the setting is on the slip table and be used for compressing tightly the closing device in the frock in the location with the differential mechanism sub -unit, tightening the device, tightening the device and include the mounting disc of being connected with the slip table rotation, the symmetry sets up in the mounting disc and is used for tightening two electronic subassemblies of tightening of driven gear bolt, the 2nd drive arrangement of drive installation dish pivoted. In above -mentioned technical scheme, compress tightly the differential mechanism sub -unit through adopting the closing device who sets up, through screwing up the device with driven gear bolt tightening to improved the assembly efficiency of differential mechanism sub -unit, simultaneously, when having guaranteed the connection, every driven gear bolt to screw up moment the same, improved assembly quality.
Description
Technical field
The utility model relates to the technical field of automobile making, refers more particularly to a kind of differential mechanism sub-unit driven gear fastener for bolt.
Background technology
Differential mechanism sub-unit of the prior art is when assembling, and by manually tightening the bolt of differential mechanism sub-unit driven gear, when specifically assembling, artificial hand-held tightening tool tightens multiple bolt by diagonal form.But adopt and be subject to interference from human factor in this way, there is the potential risk of leaking and tighting a bolt.
Utility model content
The utility model provides a kind of differential mechanism sub-unit driven gear fastener for bolt, in order to improve the quality level of driven gear bolt tightening, reduces cost of labor, increases work efficiency meanwhile.
The utility model provides a kind of differential mechanism sub-unit driven gear fastener for bolt, and this differential mechanism sub-unit driven gear fastener for bolt comprises:
Supporting seat;
Support platform, is fixed on described supporting seat, and described support platform is provided with the positioning tool for carrying differential mechanism sub-unit;
Slide unit assembly, comprising: be slidedly assemblied in described supporting seat and the slide unit that can vertically slide; Drive the first drive unit that described slide unit slides; To be arranged on described slide unit and for described differential mechanism sub-unit being pressed on the hold down gag on positioning tool; Also comprise device for screwing up, described device for screwing up comprises the mounting disc be rotationally connected with described slide unit, being symmetricly set in described mounting disc and two electric tightening shaft assemblies for tightening driven gear bolt, driving the second drive unit that described mounting disc is rotated.
In technique scheme, by adopting the hold down gag arranged, differential mechanism sub-unit is compressed, by device for screwing up by driven gear bolt tightening, thus improve the efficiency of assembling of differential mechanism sub-unit, simultaneously, when ensure that connection, the screw-down torque of each driven gear bolt is identical, improves assembly quality.
Preferably, described hold down gag comprises: the sleeve be fixedly connected with described slide unit, be slidedly assemblied in the telescopic shaft in described sleeve, and described telescopic shaft is provided with pressure head away from one end of described sleeve, Compress Spring is provided with in described sleeve, one end of described Compress Spring is pressed on the end of described sleeve, and the other end is pressed on the end of described telescopic shaft.
Preferably, described mounting disc is rotationally connected by turntable bearing and described slide unit.
Preferably, described second drive unit comprises: servomotor, and the output shaft of described deceleration device is connected with gear with the deceleration device be connected with described servomotor, and the sidewall of described mounting disc is provided with the gear ring with described gears meshing.
Preferably, described supporting seat is provided with the slide rail of vertical direction, described slide unit is slidedly assemblied on described slide rail.
Preferably, described first drive unit is for driving cylinder.
Preferably, also comprising control device, driving described slide unit to slide for controlling described first drive unit, and control described second drive unit and drive described mounting disc to rotate, control described electric tightening shaft assembly and rotate.
Preferably, described electric tightening shaft assembly comprises, be fixed on the drive motors in described mounting disc, being connected with the output shaft of described drive motors and the rotary extension axle of coaxial rotation, being fixed on described rotary extension axle away from one end of described drive motors and for being sleeved on the coupling sleeve on described driven gear bolt.
Preferably, also comprise:
Detect the torque sensor of the moment of torsion of described rotary extension axle;
Described control device also for, the moment of torsion of the rotary extension axle that described torque sensor detects reach setting require torque value time, control described drive motors to stop operating, and control described first drive unit and drive described slide unit upward sliding, control described second drive unit and drive described mounting disc to rotate the angle of setting.
Accompanying drawing explanation
The structural representation of the differential mechanism sub-unit driven gear fastener for bolt that Fig. 1 provides for the utility model embodiment;
The structural representation of the slide unit assembly that Fig. 2 provides for the utility model embodiment;
The structural representation of the electric tightening shaft assembly that Fig. 3 provides for the utility model embodiment.
Reference numeral:
10-supporting seat 11-support platform 111-positioning tool
12-slide rail 20-slide unit assembly 21-slide unit
22-device for screwing up 221-electric tightening shaft assembly 2211-drive motors
2212-deceleration device 2213-rotary extension axle 2214-torque sensor
2215-coupling sleeve 222-second drive unit 2221-servomotor
2222-deceleration device 2223-gear 223-mounting disc
224-turntable bearing 23-hold down gag 231-support bar
232-sleeve 233-telescopic shaft 234-pressure head
235-Compress Spring 24-first drive unit 30-differential mechanism sub-unit
Detailed description of the invention
Below in conjunction with accompanying drawing, specific embodiment of the utility model is described in detail.Should be understood that, detailed description of the invention described herein, only for instruction and explanation of the utility model, is not limited to the utility model.
As shown in Figure 1, Figure 2 and Figure 3, the structural representation of differential mechanism sub-unit driven gear fastener for bolt that provides for the utility model embodiment of Fig. 1; The structural representation of the slide unit assembly that Fig. 2 provides for the utility model embodiment; The structural representation of the electric tightening shaft assembly that Fig. 3 provides for the utility model embodiment.
The utility model embodiment provides a kind of differential mechanism sub-unit driven gear fastener for bolt, and this device for screwing up comprises:
Supporting seat 10;
Support platform 11, is fixed on described supporting seat 10, and support platform 11 is provided with the positioning tool 111 for carrying differential mechanism sub-unit 30;
Slide unit assembly 20, comprising: be slidedly assemblied in supporting seat 10 and the slide unit 21 that can vertically slide; Drive the first drive unit 24 that slide unit 21 slides; To be arranged on slide unit 21 and for differential mechanism sub-unit 30 being pressed on the hold down gag 23 on positioning tool 111; Also comprise device for screwing up 22, device for screwing up 22 comprises the mounting disc 223 be rotationally connected with slide unit 21, to be symmetricly set in mounting disc 223 and two electric tightening shaft assemblies 221 for tightening driven gear bolt, the second drive unit 222 that drive installation dish 223 rotates.
In the above-described embodiments, by adopting the hold down gag 23 arranged, differential mechanism sub-unit 30 is compressed, by device for screwing up 22 by driven gear bolt tightening, thus improve the efficiency of assembling of differential mechanism sub-unit 30, simultaneously, when ensure that connection, the screw-down torque of each driven gear bolt is identical, improves assembly quality.
Conveniently to the understanding of the differential mechanism sub-unit driven gear fastener for bolt that the utility model embodiment provides, be described in detail below in conjunction with accompanying drawing and specific embodiment.
As shown in Figure 1, Fig. 1 shows the structural representation of the differential mechanism sub-unit driven gear fastener for bolt that the utility model embodiment provides.The differential mechanism sub-unit driven gear fastener for bolt that the present embodiment provides, primarily of three parts, is respectively: supporting seat 10, support platform 11 and slide unit assembly 20.Wherein, supporting seat 10 is vertical frame structure, and support platform 11 is fixed on the bottom of supporting seat 10, and for carrying differential mechanism sub-unit 30, slide unit assembly 20 is for fixing by differential mechanism sub-unit 30 and by driven gear bolt tightening.When specifically arranging, support platform 11 is fixed on supporting seat 10, and support platform 11 is provided with the positioning tool 111 for fixing differential mechanism sub-unit 30.When placing differential mechanism sub-unit 30, differential mechanism sub-unit 30 is placed in positioning tool 111, positioned by positioning tool 111 pairs of differential mechanism sub-units 30, ensure that slide unit assembly 20 glide time, electric tightening shaft assembly 221 can accurately with the contraposition of driven gear bolt.
As shown in Figure 2, the structural representation of slide unit assembly 20 that provides for the utility model embodiment of Fig. 2.The slide unit assembly 20 that the present embodiment provides mainly contains three part compositions, is respectively: slide unit 21, hold down gag 23 and device for screwing up 22.Wherein, slide unit 21 is slidedly assemblied on supporting seat 10, and when specifically arranging, supporting seat 10 is provided with the slide rail 12 of vertical direction, slide unit 21 is slidedly assemblied on slide rail 12.By the slip of slide unit 21 on slide rail 12, achieve slide unit 21 near differential mechanism sub-unit 30 and the motion departing from differential mechanism sub-unit 30.When slide unit 21 slides, drive slide unit 21 to slide on slide rail 12 by the first drive unit 24, this first drive unit 24 is for driving cylinder.When it is arranged, drive the cylinder body of cylinder to be fixed on supporting seat 10, drive the piston rod of cylinder to be fixedly connected with slide unit 21, by the flexible realization of piston rod, the slip of slide unit 21 is driven.
Hold down gag 23 is arranged on slide unit 21, this hold down gag 23 comprises: the sleeve 232 be fixedly connected with slide unit 21, be slidedly assemblied in the telescopic shaft 233 in sleeve 232, and telescopic shaft 233 is provided with pressure head 234 away from one end of sleeve 232, Compress Spring 235 is provided with in sleeve 232, one end of Compress Spring 235 is pressed on the end of sleeve 232, and the other end is pressed on the end of telescopic shaft 233.Wherein, sleeve 232 is fixedly connected with slide unit 21 by support bar 231.This hold down gag 23 is pressed on differential mechanism sub-unit 30 by the pressure head 234 arranged, concrete, when the first drive unit 24 drives slide unit 21 to decline, pressure head 234 contacts with differential mechanism sub-unit 30, and slide unit 21 continues to decline, telescopic shaft 233 bounces back, Compress Spring 235 is compressed, until electric tightening shaft assembly 221 is sleeved on when differential mechanism sub-unit 30 needing the driven gear bolt tightened, slide unit 21 stops slide downward, now, pressure is provided to pressure head 234 under the effect of Compress Spring 235.
In the lump with reference to figure 2 and Fig. 3, the device for screwing up 22 that the present embodiment provides comprises: the mounting disc 223 be rotationally connected with slide unit 21, to be symmetricly set in mounting disc 223 and two electric tightening shaft assemblies 221 for tightening driven gear bolt, the second drive unit 222 that drive installation dish 223 rotates.Wherein, mounting disc 223 is tightened axle for driving electric and is moved, second drive unit 222 rotates for drive installation dish 223, when specifically using, electric tightening shaft assembly 221 is after by driven gear bolt tightening, drive mounting disc 223 to rotate by the second drive unit 222, and then driving electric tighten the top that shaft assembly 221 moves to down the driven gear bolt that a pair needs are tightened.When specifically arranging, mounting disc 223 is rotationally connected by turntable bearing 224 and slide unit 21, thus reduces the frictional force between mounting disc 223 and slide unit 21.In addition, the second drive unit 222 comprises: servomotor 2221, and the deceleration device 2222 be connected with servomotor 2221, the output shaft of deceleration device 2222 is connected with gear 2223, and the sidewall of mounting disc 223 is provided with the gear ring engaged with gear 2223.Servomotor 2221 has good motion control effects, can realize rotating control accurately, therefore, can control the rotational angle of mounting disc 223 accurately, ensures that electric tightening shaft assembly 221 moves to the position needing the driven gear bolt tightened.Concrete, when specifically connecting, the output shaft of servomotor 2221 is connected with deceleration device 2222, and the output shaft of this deceleration device 2222 is provided with gear 2223, the sidewall of mounting disc 223 is provided with the gear ring engaged with this gear 2223, i.e. the lateral wall of mounting disc 223 is surrounded with multiple tooth, and namely mounting disc 223 is equivalent to a gear, by the multistage reduction of speed of deceleration device 2222 and gear 2223, mounting disc 223 is rotated with a lower speed.
As shown in Figure 3, electric tightening shaft assembly 221 wherein comprises, be fixed on the drive motors 2211 in mounting disc 223, being connected with the output shaft of drive motors 2211 and the rotary extension axle 2213 of coaxial rotation, being fixed on rotary extension axle 2213 away from one end of drive motors 2211 and for being sleeved on the coupling sleeve 2215 on driven gear bolt.Concrete, the output shaft of drive motors 2211 is provided with deceleration device 2212, rotary extension axle 2213 is connected with this deceleration device 2212.When electric tightening shaft assembly 221 is sleeved on driven gear bolt, drive motors 2211 starts to rotate, and driven rotary telescopic shaft 2213 rotates, and rotary extension axle 2213 drives coupling sleeve 2215 to rotate, and then driven gear bolt is tightened.
As a kind of preferred embodiment, the differential mechanism sub-unit driven gear fastener for bolt that the utility model embodiment provides also comprises control device, this control device drives slide unit 21 to slide for controlling the first drive unit 24, and control the second drive unit 222 drive installation dish 223 and rotate, control electric tightening shaft assembly 221 and rotate.Namely the motion of the first drive unit 24, second drive unit 222 and electric tightening shaft assembly 221 is controlled by control device, thus achieve Automated condtrol, wherein, this control device can be single-chip microcomputer, PLC or industrial PC, has good controlling functions.
In addition, this device for screwing up 22 also comprises: the torque sensor 2214 detecting the moment of torsion of rotary extension axle 2213; Control device also for, the moment of torsion of rotary extension axle 2213 that torque sensor 2214 detects reach setting require torque value time, control drive motors 2211 to stop operating, and control the first drive unit 24 and drive slide unit 21 upward sliding, control the angle that the second drive unit 222 drive installation dish 223 rotates setting.Concrete, continue with reference to figure 3, torque sensor 2214 is arranged on electric tightening shaft assembly 221, the moment of torsion on rotary extension axle 2213 is detected by torque sensor 2214, namely the moment of torsion on the driven gear bolt be tightened, and when moment of torsion reaches setting value, stop tightening driven gear bolt, make the moment of torsion on each driven gear bolt identical, improve assembly quality.
In addition, this control device also has display unit, and the real-time output torque value curve map tightening axle drawn by control device; Whether qualifiedly tighten result, shown respectively by the green in display unit and red window.
Conveniently to the understanding of the differential mechanism sub-unit driven gear fastener for bolt that the present embodiment provides, below in conjunction with concrete operating process, it is described in detail.
1, manually differential mechanism sub-unit 30 is put into positioning tool 111.
2, manually press start button, device for screwing up carries out tightening operation automatically:
A, the first drive unit 24 drive that slide unit 21 is descending to put in place, and differential mechanism sub-unit 30 contacts with positioning tool 111 firmly by pressure head 234:
B, electric tightening shaft assembly 221 first tighten two bolts;
C, slide unit 21 are up, and the second drive unit 222 drive installation dish 223 rotates set angle; Slide unit 21 goes further downwards to position, and electric tightening shaft assembly 221 tightens two driven gear bolts again;
D, repeat above-mentioned operation procedure, tighten follow-up driven gear bolt;
The real-time output torque value curve map of electric tightening shaft assembly 221 drawn automatically by e, control device at interface; Whether qualifiedly tighten result, shown respectively by the green in interface and red window.
3, after the operation of automatic tightening whole driven gear bolt completes, slide unit 21 and mounting disc 223 reset.
4, manually differential mechanism sub-unit 30 is put into subsequent processing.
Obviously, those skilled in the art can carry out various change and modification to the utility model and not depart from spirit and scope of the present utility model.Like this, if these amendments of the present utility model and modification belong within the scope of the utility model claim and equivalent technologies thereof, then the utility model is also intended to comprise these change and modification.
Claims (9)
1. a differential mechanism sub-unit driven gear fastener for bolt, is characterized in that, comprising:
Supporting seat;
Support platform, is fixed on described supporting seat, and described support platform is provided with the positioning tool for carrying differential mechanism sub-unit;
Slide unit assembly, comprising: be slidedly assemblied in described supporting seat and the slide unit that can vertically slide; Drive the first drive unit that described slide unit slides; To be arranged on described slide unit and for described differential mechanism sub-unit being pressed on the hold down gag on positioning tool; Also comprise device for screwing up, described device for screwing up comprises the mounting disc be rotationally connected with described slide unit, being symmetricly set in described mounting disc and two electric tightening shaft assemblies for tightening driven gear bolt, driving the second drive unit that described mounting disc is rotated.
2. differential mechanism sub-unit driven gear fastener for bolt as claimed in claim 1, it is characterized in that, described hold down gag comprises: the sleeve be fixedly connected with described slide unit, be slidedly assemblied in the telescopic shaft in described sleeve, and described telescopic shaft is provided with pressure head away from one end of described sleeve, be provided with Compress Spring in described sleeve, one end of described Compress Spring is pressed on the end of described sleeve, and the other end is pressed on the end of described telescopic shaft.
3. differential mechanism sub-unit driven gear fastener for bolt as claimed in claim 2, it is characterized in that, described mounting disc is rotationally connected by turntable bearing and described slide unit.
4. differential mechanism sub-unit driven gear fastener for bolt as claimed in claim 1, it is characterized in that, described second drive unit comprises: servomotor, the deceleration device be connected with described servomotor, the output shaft of described deceleration device is connected with gear, and the sidewall of described mounting disc is provided with the gear ring with described gears meshing.
5. differential mechanism sub-unit driven gear fastener for bolt as claimed in claim 1, it is characterized in that, described supporting seat is provided with the slide rail of vertical direction, described slide unit is slidedly assemblied on described slide rail.
6. differential mechanism sub-unit driven gear fastener for bolt as claimed in claim 1, is characterized in that, described first drive unit is for driving cylinder.
7. the differential mechanism sub-unit driven gear fastener for bolt as described in any one of claim 1 ~ 6, it is characterized in that, also comprise control device, described slide unit is driven to slide for controlling described first drive unit, and control described second drive unit and drive described mounting disc to rotate, control described electric tightening shaft assembly and rotate.
8. differential mechanism sub-unit driven gear fastener for bolt as claimed in claim 7, it is characterized in that, described electric tightening shaft assembly comprises, be fixed on the drive motors in described mounting disc, being connected with the output shaft of described drive motors and the rotary extension axle of coaxial rotation, being fixed on described rotary extension axle away from one end of described drive motors and for being sleeved on the coupling sleeve on described bolt.
9. differential mechanism sub-unit driven gear fastener for bolt as claimed in claim 8, is characterized in that, also comprise:
Detect the torque sensor of the moment of torsion of described rotary extension axle;
Described control device also for, the moment of torsion of the rotary extension axle that described torque sensor detects reach setting require torque value time, control described drive motors to stop operating, and control described first drive unit and drive described slide unit upward sliding, control described second drive unit and drive described mounting disc to rotate the angle of setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520760184.1U CN204997328U (en) | 2015-09-28 | 2015-09-28 | Differential mechanism sub -unit driven gear bolt tightening device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520760184.1U CN204997328U (en) | 2015-09-28 | 2015-09-28 | Differential mechanism sub -unit driven gear bolt tightening device |
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| Publication Number | Publication Date |
|---|---|
| CN204997328U true CN204997328U (en) | 2016-01-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520760184.1U Active CN204997328U (en) | 2015-09-28 | 2015-09-28 | Differential mechanism sub -unit driven gear bolt tightening device |
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| CN (1) | CN204997328U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107186469A (en) * | 2017-06-20 | 2017-09-22 | 东北大学 | Aero-engine disk rouses structural member bolt automatic screwing-down tool arm and its method of work |
| CN107598545A (en) * | 2017-09-19 | 2018-01-19 | 侯欢欢 | A kind of device for screwing up and belt wheel of automobile engine servo tightening machine |
| CN109304604A (en) * | 2018-12-13 | 2019-02-05 | 山东中车同力达智能机械有限公司 | A kind of locomotive gear hub bolt automatic screwing-down |
| CN114714071A (en) * | 2022-03-31 | 2022-07-08 | 西安航天发动机有限公司 | Automatic screwing structure and method for turbine pump shafting nut |
-
2015
- 2015-09-28 CN CN201520760184.1U patent/CN204997328U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107186469A (en) * | 2017-06-20 | 2017-09-22 | 东北大学 | Aero-engine disk rouses structural member bolt automatic screwing-down tool arm and its method of work |
| CN107186469B (en) * | 2017-06-20 | 2019-04-19 | 东北大学 | Aero-engine disk drum structural member bolt automatic screwing-down tool arm and its working method |
| CN107598545A (en) * | 2017-09-19 | 2018-01-19 | 侯欢欢 | A kind of device for screwing up and belt wheel of automobile engine servo tightening machine |
| CN109304604A (en) * | 2018-12-13 | 2019-02-05 | 山东中车同力达智能机械有限公司 | A kind of locomotive gear hub bolt automatic screwing-down |
| CN114714071A (en) * | 2022-03-31 | 2022-07-08 | 西安航天发动机有限公司 | Automatic screwing structure and method for turbine pump shafting nut |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: 101, 1st Floor, No. 2, Yard 16, Xinghai Third Street, Beijing Economic and Technological Development Zone, Daxing District, Beijing, 100176 Patentee after: BEIJING TAICHENGXIN MEASUREMENT&CONTROL TECHNOLOGY CO.,LTD. Address before: 1 Zhanqian Road, Gonghua Street, Shahe Town, Changping District, Beijing 102206 Patentee before: BEIJING TAICHENGXIN MEASUREMENT&CONTROL TECHNOLOGY CO.,LTD. |
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| CP02 | Change in the address of a patent holder |