CN105014348A - Spring arm assembling tool and using method thereof - Google Patents
Spring arm assembling tool and using method thereof Download PDFInfo
- Publication number
- CN105014348A CN105014348A CN201510519390.8A CN201510519390A CN105014348A CN 105014348 A CN105014348 A CN 105014348A CN 201510519390 A CN201510519390 A CN 201510519390A CN 105014348 A CN105014348 A CN 105014348A
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- motor
- screw mandrel
- active
- spring arm
- plate
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/02—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same
- B23P19/021—Railroad wheels on axles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/04—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for assembling or disassembling parts
- B23P19/048—Springs
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
Abstract
The invention relates to a spring arm assembling tool and a using method thereof. The spring arm assembling tool and the using method are exquisite in structure, convenient to use, high in automation degree and accurate in nut installation accuracy. The spring arm assembling tool comprises a base, a motor, a driving transmission assembly, a driven transmission assembly, a lead screw, a nut and a clamping base used for clamping an outer barrel in a spring arm; the motor, the lead screw and the nut are fixedly connected to the top face of the base and are coaxially arranged, the motor is provided with an output shaft, and a transmission square button is detachably connected to the lateral wall of the output shaft; and the nut is located between the motor and the clamping base, the lead screw is connected to the interior of the nut through threads, and the lead screw and the motor are coaxial. According to the spring arm assembling tool and the using method, only a small amount of manual intervention is needed during initialization and discharging, the other steps can be completed through positive rotation and negative rotation of one motor, and therefore the spring arm assembling tool and the using method have the beneficial effects of being clear in orderliness, low in energy consumption, exquisite in structure, low in labor intensity and good in production safety.
Description
Technical field
The present invention relates to medicine equipment assembly equipment field, particularly relate to the improvement of the equipment for the wherein assembling of spring arm.
Background technology
The assembling of current spring is many have been come by artificial or simple apparatus, once the Chinese invention patent document that the portion announced on October 15th, 2014 as State Bureau is called " the pneumatic assembly tooling of Compress Spring ", application number is " 201410340454.X ", this case can complete the compression of spring by the simple stroke of cylinder, and is fixed.
But the spring arm adopted in the shadowless lamp in medicine equipment is made up of urceolus, inner core, spring and nut usually, wherein inner core is fixedly connected in urceolus, and spring housing is connected on inner core, and the nut be threaded connection on inner core completes compressed energy-storage.Therefore, assembly tooling of the prior art effectively can not be assembled it, and it in process of production must by manually assembling, and has that the work period is long, labour intensity is large and the defect such as the fitting depth inaccuracy of nut.To this, how to be efficiently assembled in order to those skilled in the art's technical problem urgently to be resolved hurrily by assembly tooling.
Summary of the invention
The present invention is directed to above problem, propose a kind of delicate structure, easy to use, automaticity is high and the accurate spring arm assembly tooling of nut fitting depth and using method thereof.
Technical scheme of the present invention is: comprise base, motor, initiatively transmission component, slave drive assembly, screw mandrel, screw and the holder for urceolus in clamp springs arm;
Described motor, screw and holder are all fixedly connected with on the end face of base, and three's concentric is arranged, described motor has output shaft, the sidewall of described output shaft is removably connected with transmission square key, described screw is between motor and holder, described screw mandrel is threaded connection in screw, and with the motor coaxle heart, described active transmission component and slave drive assembly are connected between the output shaft of motor and screw mandrel, described screw mandrel offers the hex shaped groove for nut in putting spring arm on the end face of holder, the bottom land of described hex shaped groove offers the deep trouth for inner core in putting spring arm, the outer wall of described screw mandrel is fixedly connected with restraining position ring block,
Described active transmission component comprises initiatively sleeve, initiatively stage clip and active plate, described active sleeve is socketed described output shaft and the inwall of active sleeve offers the active chute with transmission square key adaptation, described active chute is arranged along the axis of output shaft, described active plate vertically arranges and is fixedly connected on the side of active sleeve away from motor, and described active stage clip is against between output shaft and active plate;
Described slave drive assembly comprises driven socket, at least one driven sliding block and a follower plate, described driven socket is socketed described screw mandrel, axis on the inwall that described driven sliding block is fixedly connected on driven socket and along screw mandrel is arranged, described screw mandrel offers the driven chute with driven sliding block adaptation on the outer wall of one end of motor, and described follower plate is fixedly connected on driven socket towards the side of active plate and is oppositely arranged with active plate;
Described follower plate offers through hole, and described screw mandrel is fixedly connected with the push rod that external diameter is less than through-hole aperture towards one end of motor.
Described active plate is fixedly connected with friction plate one on the end face of follower plate, and described follower plate is fixedly connected with friction plate two on the end face of active plate.
Described spacing ring is fixedly connected with cushion pad on the end face of holder, and described spacing ring is fixedly connected with some reinforcements between the end face of holder and the outer wall of screw mandrel dorsad.
Described active sleeve bottom is connected with supporting seat one, and the bottom of described driven socket is connected with supporting seat two, and described supporting seat one, supporting seat two are all fixedly connected on the end face of base.
Be equipped with ball one in the termination, side of described push rod screw mandrel dorsad, described driven socket is equipped with some balls two on the end face of screw, and some described balls two are fitted on the end face of screw.
Described screw mandrel has transition chamfering towards one end of holder.
Use according to the following steps:
1), initialize:
1.1), manually spring is put between urceolus and inner core, and urceolus is loaded in holder;
1.2), artificial outwards turn screw mandrel, make in push rod retraction driven socket, thus active plate moved ahead under the effect of stage clip, and fit with follower plate;
2), assemble:
2.1), motor is opened, make power via output shaft, initiatively sleeve, active plate, follower plate, driven socket and driven sliding block, resulting belt movable wire bar limit rotation limit feeding, thus the nut being contained in screw mandrel end is gradually reduced spring, and final and inner core completes overlap joint;
2.2), motor is kept to open, until spacing ring is against on urceolus;
3), discharging: manually open holder, extract the spring arm assembled out;
4), reset: oppositely open motor, screw mandrel is run towards the side at motor place, until driven socket stops the rotation automatically, namely push rod stretches out follower plate and is against on active plate;
5), shut down: disable motor; Complete.
Motion process of the present invention can be divided into forward travel and rollback to move two kinds from direction:
During forward travel, the rotary power of motor will via output shaft, initiatively sleeve, active plate, follower plate, driven socket and driven sliding block, thus advance in rotation limit, resulting belt movable wire bar limit, and then in the compression of assembling initial stage complete paired springs " diastema ", and in after this completing the connection of nut and inner core; Wherein, spacing ring can simple when advancing, effectively the fitting depth of nut is limited; And when spacing ring and urceolus are fitted, screw mandrel by locked between screw and urceolus, now, will will skid (stage clip can produce a small amount of, intermittent rollback) between active plate and follower plate, thus the effective overload protection of one is carried out to motor.
During rollback motion, push rod screws out the most at last to outside through hole, and continues to screw out one end distance under effect of inertia, thus effective jack-up active plate, make it to be separated with follower plate, cut off power transmission, namely effectively achieved the automatic stopping of slave drive assembly and screw mandrel by push rod.Like this, on the one hand, effectively prevent the damage brought because screw mandrel rollback is excessive; On the other hand, make motor brake, restart time non-loaded, effective protective effect is served to motor.
In conjunction with above-mentioned 2 points, the present invention assembles the features such as the degree of depth is accurate, electric motor protecting is effective, each parts long service life while having.
The present invention only need when initialization and discharging, and carry out a small amount of manual intervention, all the other procedure of processings only can complete by the forward and backward of a motor, have the advantage that this orderliness is clear, energy consumption is low, delicate structure, labour intensity are low and production security is good.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention,
Fig. 2 is the top view of Fig. 1,
Fig. 3 be the I-I of Fig. 2 to sectional view,
Fig. 4 is the A place partial enlarged drawing of Fig. 3,
Fig. 5 is the B direction view of Fig. 3,
Fig. 6 is embodiments of the present invention schematic diagrames,
Fig. 7 is the C place partial enlarged drawing of Fig. 6,
Fig. 8 be using state of the present invention with reference to figure mono-,
Fig. 9 be using state of the present invention with reference to figure bis-,
Figure 10 be using state of the present invention with reference to figure tri-,
Figure 11 is that using state of the present invention is with reference to figure tetra-;
In figure, 1 is base, and 2 is motors, and 20 is output shafts;
3 is active transmission components, and 31 is active sleeves, and 310 is active chutes, and 32 is active stage clips, and 33 is active plates, and 330 is friction plates one, and 34 is supporting seats one;
4 is slave drive assemblies, and 41 is driven socket, and 42 is driven sliding block, and 43 is follower plates, and 430 is friction plates two, and 44 is supporting seats two;
5 is screw mandrels, and 51 is spacing rings, and 52 is push rods, and 6 is screws, and 7 is holders;
8 is spring arms, and 81 is urceolus, and 82 is inner cores, and 83 is springs, and 84 is nuts.
Detailed description of the invention
The present invention as shown in figs. 1-11, comprises base 1, motor 2, initiatively transmission component 3, slave drive assembly 4, screw mandrel 5, screw 6 and the holder 7 for urceolus 81 in clamp springs arm 8;
Described motor 2, screw 6 and holder 7 are all fixedly connected with on the end face of base 1, and three's concentric is arranged, described motor 2 has output shaft 20, the sidewall of described output shaft 20 is removably connected with transmission square key, described screw 6 is between motor 2 and holder 7, described screw mandrel 5 is threaded connection in screw 6, and with motor 2 concentric, described active transmission component 3 and slave drive assembly 4 are connected between the output shaft 20 of motor 2 and screw mandrel 5, described screw mandrel 5 offers the hex shaped groove for nut 84 in putting spring arm 8 on the end face of holder 7, the bottom land of described hex shaped groove offers the deep trouth for inner core 82 in putting spring arm 8, the outer wall of described screw mandrel 5 is fixedly connected with restraining position ring block 51, like this, nut can be placed in hex shaped groove during use, thus the turn of screw mandrel effectively can be driven and be converted into the feeding of nut, deep trouth then can carry out effectively accommodating to inner core, in addition, because the depth location of spring nut when compressing directly cannot be observed from outside, therefore, being limited accurately by the depth location of spacing ring to nut in this case, thus having the advantages that installation site is accurate, installation effectiveness is high.
Described active transmission component 3 comprises initiatively sleeve 31, initiatively stage clip 32 and active plate 33, described active sleeve 31 is socketed described output shaft 20 and the inwall of active sleeve 31 offers the active chute 310 with transmission square key adaptation, described active chute 310 is arranged along the axis of output shaft 20, described active plate 33 vertically arranges and is fixedly connected on the side of active sleeve 31 away from motor 2, and described active stage clip 32 is against between output shaft 20 and active plate 33; Like this, while initiatively sleeve can carry out synchronous rotary with output shaft under the effect of rotating square key, straight reciprocating motion is done along the axis of output shaft freely by active chute, thus make active plate while rotating with output shaft synchronous, under the effect of stage clip, keep the trend of motor side motion dorsad.
Described slave drive assembly 4 comprises driven socket 41, at least one driven sliding block 42 and a follower plate 43, described driven socket 41 is socketed described screw mandrel 5, axis on the inwall that described driven sliding block 42 is fixedly connected on driven socket 41 and along screw mandrel 5 is arranged, described screw mandrel 5 offers the driven chute with driven sliding block 42 adaptation on the outer wall of one end of motor 2, and described follower plate 43 is fixedly connected on driven socket 41 towards the side of active plate 33 and is oppositely arranged with active plate 33; After active plate and follower plate fit, the two realizes synchronous axial system by under the effect of frictional force; After this, rotary motion will successively through driven socket and driven sliding block, and final effect is with on screw mandrel; Meanwhile, driven chute and driven sliding block be engaged in the synchronous transmission that ensure that rotary motion while, screw mandrel and do relative linear motion freely with driven socket; Thus make screw mandrel under the effect of screw, finally complete the motion of limit rotation limit feeding, and then finally complete the driving to nut.
Described follower plate 43 offers through hole, and described screw mandrel 5 is fixedly connected with the push rod 52 that external diameter is less than through-hole aperture towards one end of motor 2.Motion process of the present invention can be divided into forward travel and rollback to move two kinds from direction:
During forward travel, the rotary power of motor will via output shaft, initiatively sleeve, active plate, follower plate, driven socket and driven sliding block, thus advance in rotation limit, resulting belt movable wire bar limit, and then in the compression of assembling initial stage complete paired springs " diastema ", and in after this completing the connection of nut and inner core; Wherein, spacing ring can simple when advancing, effectively the fitting depth of nut is limited; And when spacing ring and urceolus are fitted, screw mandrel by locked between screw and urceolus, now, will will skid (stage clip can produce a small amount of, intermittent rollback) between active plate and follower plate, thus the effective overload protection of one is carried out to motor.Have the advantages that the nut assembling degree of depth is accurate, electric motor protecting is effective.
During rollback motion, push rod screws out the most at last to outside through hole, and continues to screw out one end distance under effect of inertia, thus effective jack-up active plate, make it to be separated with follower plate, cut off power transmission, namely effectively achieved the automatic stopping of slave drive assembly and screw mandrel by push rod.Like this, on the one hand, effectively prevent the damage brought because screw mandrel rollback is excessive; On the other hand, make motor brake, restart time non-loaded, effective protective effect is served to motor.
Described active plate 33 is fixedly connected with friction plate 1 on the end face of follower plate 43, and described follower plate 43 is fixedly connected with friction plate 2 430 on the end face of active plate 33.Thus the power transmission effect effectively improved between active plate, follower plate.
Described spacing ring 51 is fixedly connected with cushion pad on the end face of holder 7, and described spacing ring 51 is fixedly connected with some reinforcements between the end face of holder 7 and the outer wall of screw mandrel 5 dorsad.Thus simply, effectively improve the structural strength of spacing ring.
Be connected with supporting seat 1 bottom described active sleeve 31, the bottom of described driven socket 41 is connected with supporting seat 2 44, and described supporting seat 1, supporting seat 2 44 are all fixedly connected on the end face of base 1.Thus simply, effectively improve operation stability and the connection reliability of equipment.
Be equipped with ball one in the termination, side of described push rod 52 screw mandrel 5 dorsad, thus make the rotary motion of active plate to be directly passed on push rod; Described driven socket 41 is equipped with some balls two on the end face of screw 6, and some described balls two are fitted on the end face of screw 6, thus the extra power loss between the driven socket that effectively prevent because frictional force causes and screw.
Described screw mandrel 5 has transition chamfering towards one end of holder 7.
Use according to the following steps:
1), initialize:
1.1), manually spring is put between urceolus and inner core, and urceolus is loaded in holder;
1.2), artificial outwards turn screw mandrel, make in push rod retraction driven socket, thus active plate moved ahead under the effect of stage clip, and fit with follower plate; (now can progressively starter motor)
2), assemble:
2.1), motor (motor is opened completely) is opened, make power via output shaft, initiatively sleeve, active plate, follower plate, driven socket and driven sliding block, the rotation limit feeding of resulting belt movable wire bar limit, thus the nut being contained in screw mandrel end is gradually reduced spring, and final and inner core completes overlap joint;
2.2), motor is kept to open, until spacing ring is against on urceolus;
3), discharging: manually open holder, extract the spring arm assembled out;
4), reset: oppositely open motor, screw mandrel is run towards the side at motor place, until driven socket stops the rotation automatically, namely push rod stretches out follower plate and is against on active plate;
5), shut down: disable motor; Complete.
The present invention only need when initialization and discharging, and carry out a small amount of manual intervention, all the other procedure of processings only can complete by the forward and backward of a motor, have the advantage that this orderliness is clear, energy consumption is low, delicate structure, labour intensity are low and production security is good.
Claims (7)
1. a spring arm assembly tooling, is characterized in that, comprises base, motor, initiatively transmission component, slave drive assembly, screw mandrel, screw and the holder for urceolus in clamp springs arm;
Described motor, screw and holder are all fixedly connected with on the end face of base, and three's concentric is arranged, described motor has output shaft, the sidewall of described output shaft is removably connected with transmission square key, described screw is between motor and holder, described screw mandrel is threaded connection in screw, and with the motor coaxle heart, described active transmission component and slave drive assembly are connected between the output shaft of motor and screw mandrel, described screw mandrel offers the hex shaped groove for nut in putting spring arm on the end face of holder, the bottom land of described hex shaped groove offers the deep trouth for inner core in putting spring arm, the outer wall of described screw mandrel is fixedly connected with restraining position ring block,
Described active transmission component comprises initiatively sleeve, initiatively stage clip and active plate, described active sleeve is socketed described output shaft and the inwall of active sleeve offers the active chute with transmission square key adaptation, described active chute is arranged along the axis of output shaft, described active plate vertically arranges and is fixedly connected on the side of active sleeve away from motor, and described active stage clip is against between output shaft and active plate;
Described slave drive assembly comprises driven socket, at least one driven sliding block and a follower plate, described driven socket is socketed described screw mandrel, axis on the inwall that described driven sliding block is fixedly connected on driven socket and along screw mandrel is arranged, described screw mandrel offers the driven chute with driven sliding block adaptation on the outer wall of one end of motor, and described follower plate is fixedly connected on driven socket towards the side of active plate and is oppositely arranged with active plate;
Described follower plate offers through hole, and described screw mandrel is fixedly connected with the push rod that external diameter is less than through-hole aperture towards one end of motor.
2. a kind of spring arm assembly tooling according to claim 1, is characterized in that, described active plate is fixedly connected with friction plate one on the end face of follower plate, and described follower plate is fixedly connected with friction plate two on the end face of active plate.
3. a kind of spring arm assembly tooling according to claim 1, it is characterized in that, described spacing ring is fixedly connected with cushion pad on the end face of holder, and described spacing ring is fixedly connected with some reinforcements between the end face of holder and the outer wall of screw mandrel dorsad.
4. a kind of spring arm assembly tooling according to claim 1, it is characterized in that, described active sleeve bottom is connected with supporting seat one, and the bottom of described driven socket is connected with supporting seat two, and described supporting seat one, supporting seat two are all fixedly connected on the end face of base.
5. a kind of spring arm assembly tooling according to claim 1, it is characterized in that, be equipped with ball one in the termination, side of described push rod screw mandrel dorsad, described driven socket is equipped with some balls two on the end face of screw, and some described balls two are fitted on the end face of screw.
6. a kind of spring arm assembly tooling according to claim 1, is characterized in that, described screw mandrel has transition chamfering towards one end of holder.
7. a using method for spring arm assembly tooling according to claim 1, is characterized in that, use according to the following steps:
1), initialize:
1.1), manually spring is put between urceolus and inner core, and urceolus is loaded in holder;
1.2), artificial outwards turn screw mandrel, make in push rod retraction driven socket, thus active plate moved ahead under the effect of stage clip, and fit with follower plate;
2), assemble:
2.1), motor is opened, make power via output shaft, initiatively sleeve, active plate, follower plate, driven socket and driven sliding block, resulting belt movable wire bar limit rotation limit feeding, thus the nut being contained in screw mandrel end is gradually reduced spring, and final and inner core completes overlap joint;
2.2), motor is kept to open, until spacing ring is against on urceolus;
3), discharging: manually open holder, extract the spring arm assembled out;
4), reset: oppositely open motor, screw mandrel is run towards the side at motor place, until driven socket stops the rotation automatically, namely push rod stretches out follower plate and is against on active plate;
5), shut down: disable motor; Complete.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510519390.8A CN105014348B (en) | 2015-08-21 | 2015-08-21 | A kind of spring arm assembly tooling and its using method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510519390.8A CN105014348B (en) | 2015-08-21 | 2015-08-21 | A kind of spring arm assembly tooling and its using method |
Publications (2)
| Publication Number | Publication Date |
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| CN105014348A true CN105014348A (en) | 2015-11-04 |
| CN105014348B CN105014348B (en) | 2017-03-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510519390.8A Active CN105014348B (en) | 2015-08-21 | 2015-08-21 | A kind of spring arm assembly tooling and its using method |
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| Country | Link |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105290760A (en) * | 2015-11-30 | 2016-02-03 | 中国北车集团大同电力机车有限责任公司 | Locomotive suspension arm press-fitting device |
| CN106514244A (en) * | 2016-11-29 | 2017-03-22 | 中车齐齐哈尔车辆有限公司 | Assembling device and method for compression type brake shoe stack adjuster |
| WO2021135001A1 (en) * | 2019-12-31 | 2021-07-08 | 横店集团英洛华电气有限公司 | Device for mounting spring pieces on machine housing |
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| US4509240A (en) * | 1981-05-14 | 1985-04-09 | Canon Kabushiki Kaisha | Spring installing device |
| CN203273225U (en) * | 2013-04-16 | 2013-11-06 | 贵州天泉医疗科技发展有限公司 | Spring arm for operating astral lamp and medical instruments |
| CN204123043U (en) * | 2014-09-15 | 2015-01-28 | 奇瑞汽车股份有限公司 | A kind of parking shoe plate press spring base installs accessory |
| CN204321528U (en) * | 2014-12-17 | 2015-05-13 | 重庆小康工业集团股份有限公司 | Engine valve lock clamp assembly tooling |
| CN204534483U (en) * | 2015-04-26 | 2015-08-05 | 湖南太阳龙医疗科技有限公司 | A kind of shadowless lamp lifting arm |
| CN204843444U (en) * | 2015-08-21 | 2015-12-09 | 江苏科凌医疗器械有限公司 | Spring arm assembly fixture |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US4509240A (en) * | 1981-05-14 | 1985-04-09 | Canon Kabushiki Kaisha | Spring installing device |
| CN203273225U (en) * | 2013-04-16 | 2013-11-06 | 贵州天泉医疗科技发展有限公司 | Spring arm for operating astral lamp and medical instruments |
| CN204123043U (en) * | 2014-09-15 | 2015-01-28 | 奇瑞汽车股份有限公司 | A kind of parking shoe plate press spring base installs accessory |
| CN204321528U (en) * | 2014-12-17 | 2015-05-13 | 重庆小康工业集团股份有限公司 | Engine valve lock clamp assembly tooling |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105290760A (en) * | 2015-11-30 | 2016-02-03 | 中国北车集团大同电力机车有限责任公司 | Locomotive suspension arm press-fitting device |
| CN106514244A (en) * | 2016-11-29 | 2017-03-22 | 中车齐齐哈尔车辆有限公司 | Assembling device and method for compression type brake shoe stack adjuster |
| WO2021135001A1 (en) * | 2019-12-31 | 2021-07-08 | 横店集团英洛华电气有限公司 | Device for mounting spring pieces on machine housing |
| GB2595838A (en) * | 2019-12-31 | 2021-12-08 | Hengdian Group Innuovo Electric Co Ltd | Device for mounting spring pieces on machine housing |
| GB2595838B (en) * | 2019-12-31 | 2022-08-17 | Hengdian Group Innuovo Electric Co Ltd | Device for mounting spring pieces on machine housing |
Also Published As
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| CN105014348B (en) | 2017-03-08 |
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