CN112013081A - Emergency gear box for withdrawing electric cylinder - Google Patents
Emergency gear box for withdrawing electric cylinder Download PDFInfo
- Publication number
- CN112013081A CN112013081A CN202010867207.4A CN202010867207A CN112013081A CN 112013081 A CN112013081 A CN 112013081A CN 202010867207 A CN202010867207 A CN 202010867207A CN 112013081 A CN112013081 A CN 112013081A
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- Prior art keywords
- shaft
- electric cylinder
- bevel gear
- transmission shaft
- bearing
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/02—Toothed gearings for conveying rotary motion without gears having orbital motion
- F16H1/04—Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members
- F16H1/12—Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members with non-parallel axes
- F16H1/14—Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members with non-parallel axes comprising conical gears only
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/021—Shaft support structures, e.g. partition walls, bearing eyes, casing walls or covers with bearings
- F16H57/022—Adjustment of gear shafts or bearings
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
- H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Power Engineering (AREA)
- Gear Transmission (AREA)
Abstract
The invention relates to an emergency gear box for withdrawing an electric cylinder, which comprises a box body, a transmission shaft, an outer sleeve, a support sleeve and a withdrawing driving shaft, wherein the transmission shaft is transversely arranged in the box body, a first bevel gear is coaxially fixed on the transmission shaft, the outer sleeve is vertically fixed at an opening at the top of the box body, the support sleeve is coaxially arranged in the outer sleeve and enables the support sleeve and the withdrawing driving shaft to be in sliding fit, the withdrawing driving shaft is coaxially arranged in the support sleeve, a second bevel gear matched with the first bevel gear is arranged at the lower end of the withdrawing driving shaft, and a limiting pin shaft hole is formed in the upper half part of the withdrawing driving. The control device has the advantages of simple structure, convenience in operation and control, strong universality and high reliability.
Description
Technical Field
The invention relates to a gear box, in particular to a gear box for emergency withdrawing of an electric cylinder when a driving motor cannot work normally.
Background
With the development of technology, electric cylinders are widely used in various fields as actuators. In the fields of space launching and the like, the requirement on the reliability of the electric cylinder is high, and the electric cylinder can be removed in an emergency manner when a driving motor fails in some special application occasions. The existing electric cylinder and transmission system usually do not have an emergency withdrawing function, and although individual products can be withdrawn in an emergency, the problems of complex structure, inconvenient operation and poor universality exist.
Disclosure of Invention
The invention aims to provide an electric cylinder emergency retraction gearbox which has the advantages of simple structure, convenience in operation and control, strong universality and high reliability.
In order to solve the problems in the prior art, the invention provides an electric cylinder emergency retraction gear box which comprises a box body, a transmission shaft, an outer sleeve, a support sleeve and a retraction driving shaft, wherein the transmission shaft is transversely installed in the box body, a first bevel gear is coaxially fixed on the transmission shaft, the outer sleeve is vertically fixed at an opening at the top of the box body, the support sleeve is coaxially installed in the outer sleeve and enables the support sleeve and the outer sleeve to be in sliding fit, the retraction driving shaft is coaxially installed in the support sleeve, a second bevel gear matched with the first bevel gear is arranged at the lower end of the retraction driving shaft, and a limiting pin shaft hole is formed in the upper half part of the retraction driving shaft.
Further, the emergency retracting gearbox of the electric cylinder is characterized in that annular grooves are formed in the peripheral wall of the supporting sleeve and are distributed at intervals up and down, and guide belts attached to the outer sleeve are mounted in the annular grooves.
Further, the invention relates to an electric cylinder emergency retraction gearbox, wherein an end cover is fixed at the top of a box body through a screw, and the end cover is provided with a through hole; the lower end of the outer sleeve is provided with an annular connecting plate, and the connecting plate is fixed on the end cover through a screw; the through hole of the end cover is coaxial with the outer sleeve, and the diameter of the through hole is smaller than the inner diameter of the outer sleeve.
Further, the invention relates to an emergency retraction gearbox of an electric cylinder, wherein a connecting part is arranged at the upper end of an outer sleeve, the inner diameter and the outer diameter of the connecting part are correspondingly smaller than the inner diameter and the outer diameter of the outer sleeve, and a protective cover is arranged on the connecting part through external threads.
Further, the invention relates to an electric cylinder emergency retraction gearbox, wherein a first sealing ring is arranged between an outer sleeve and the lower end face of a protective cover, and a second sealing ring is arranged between a connecting plate and an end cover; and a handle side sealing gasket is arranged between the box body and the end cover.
Further, the invention relates to an electric cylinder emergency retraction gear box, wherein the left end of the transmission shaft is provided with an insertion hole matched with an output shaft of a driving motor, the peripheral wall of the insertion hole is provided with a first flat key through a key groove, the right end of the transmission shaft is provided with an insertion head matched with a speed reducer, and the peripheral wall of the insertion head is provided with a second flat key through a key groove.
Further, the invention relates to an electric cylinder emergency retraction gearbox, wherein the upper end and the lower end of the inner wall of the support sleeve are correspondingly provided with a first ring platform and a second ring platform, the retraction driving shaft is provided with a third ring platform and a fourth ring platform which are distributed up and down, and the retraction driving shaft on the upper side of the third ring platform is provided with a first limit nut through threads; a first bearing is clamped between the first ring table and the first limiting nut, and a second bearing is clamped between the second ring table and the fourth ring table.
Further, the electric cylinder emergency retraction gearbox is characterized in that a shaft sleeve, a third bearing and a second limiting nut are sequentially arranged on the transmission shaft from left to right, the left side of the shaft sleeve is pressed against the first bevel gear, and the third bearing is installed in a bearing sleeve fixed on the box body through a screw.
Further, the emergency retraction gear box for the electric cylinder is characterized in that the first bevel gear is sleeved on the transmission shaft, a third flat key is arranged between the first bevel gear and the transmission shaft through a key groove, and the left side of the first bevel gear is pressed against a limit ring table arranged on the transmission shaft.
Further, the invention relates to an electric cylinder emergency retraction gearbox, wherein shaft side sealing gaskets are respectively arranged on the left side surface and the right side surface of the gearbox body; the upper end of the withdrawing driving shaft is provided with a driving joint; the first bearing and the second bearing are deep groove ball bearings, and the third bearing is a self-aligning roller bearing.
Compared with the prior art, the emergency retraction gearbox for the electric cylinder has the following advantages: the invention is characterized in that a box body, a transmission shaft, an outer sleeve, a support sleeve and a withdrawing drive shaft are arranged, the transmission shaft is transversely arranged in the box body, a first bevel gear is coaxially fixed on the transmission shaft, the outer sleeve is vertically fixed at the opening at the top of the box body, the support sleeve is coaxially arranged in the outer sleeve and is in sliding fit with the outer sleeve, the withdrawing drive shaft is coaxially arranged in the support sleeve, a second bevel gear matched with the first bevel gear is arranged at the lower end of the withdrawing drive shaft, and a limit pin shaft hole is arranged at the upper half part of the withdrawing drive shaft. Therefore, the electric cylinder emergency retraction gearbox is formed. In practical application, the driving motor, the emergency retraction gear box, the speed reducer and the electric cylinder are sequentially connected, and the left end and the right end of the transmission shaft are correspondingly connected with the output shaft of the driving motor and the input port of the speed reducer. Under the normal working condition, the cotter pin is arranged in the limiting pin shaft hole, two ends of the cotter pin are arranged on the upper end face of the outer sleeve, the withdrawing driving shaft, the second bevel gear and the supporting sleeve can be limited up and down through the blocking effect of the outer sleeve on the cotter pin, at the moment, the second bevel gear is lifted and separated from the first bevel gear, the rotation of the driving motor can be directly transmitted to the speed reducer through the transmission shaft and drives the electric cylinder to act, the second bevel gear and the withdrawing driving shaft can not generate any influence on the action of the electric cylinder, and the stability and the reliability of the electric cylinder during the normal work are ensured; when driving motor became invalid, and electronic jar was in when stretching out the state, demolish behind the split pin and remove the drive shaft through pushing down and make second bevel gear and first bevel gear meshing to remove through the upper end connection of removing the drive shaft and receive drive arrangement and can remove the operation of receiving to electronic jar, strengthened functional and practicality, and had simple structure, control convenient, the commonality is strong, the advantage of high reliability.
The following describes an electric cylinder emergency retraction gearbox in detail with reference to the specific embodiments shown in the accompanying drawings.
Drawings
Fig. 1 is a front view of an electric cylinder emergency retraction gearbox of the present invention;
fig. 2 is a top view of an electric cylinder emergency retraction gearbox of the present invention;
fig. 3 is a perspective view of an electric cylinder emergency retraction gearbox of the present invention;
fig. 4 is a view from a-a in fig. 1.
Detailed Description
First, it should be noted that, the directional terms such as up, down, left, right, front, rear, etc. described in the present invention are only described with reference to the accompanying drawings for easy understanding, and do not limit the technical solution and the claimed scope of the present invention.
As shown in fig. 1 to 4, the embodiment of the emergency gear box for withdrawing an electric cylinder according to the present invention includes a box body 1, a transmission shaft 2, an outer sleeve 3, a support sleeve 4, and a withdrawing driving shaft 5. The drive shaft 2 is transversely installed in the housing 1, and a first bevel gear 21 is coaxially fixed on the drive shaft 2. The outer sleeve 3 is vertically fixed at the opening at the top of the box body 1, the support sleeve 4 is coaxially arranged in the outer sleeve 3 and is in sliding fit with the outer sleeve 3, the withdrawing driving shaft 5 is coaxially arranged in the support sleeve 4, the lower end of the withdrawing driving shaft 5 is provided with a second bevel gear 51 matched with the first bevel gear 21, and the upper half part of the withdrawing driving shaft 5 is provided with a limit pin shaft hole 52 so as to install a limit cotter pin.
Through the structure, the electric cylinder emergency withdrawing gearbox is simple in structure, convenient to operate and control, strong in universality and high in reliability. In practical application, the driving motor, the emergency retraction gear box, the speed reducer and the electric cylinder are sequentially connected, and the left end and the right end of the transmission shaft 2 are correspondingly connected with the output shaft of the driving motor and the input port of the speed reducer. Under normal working conditions, a cotter pin is installed in the limiting pin shaft hole 52, two ends of the cotter pin are arranged on the upper end face of the outer sleeve 3, the withdrawing driving shaft 5, the second bevel gear 51 and the supporting sleeve 4 can be limited up and down through the blocking effect of the outer sleeve 3 on the cotter pin, at the moment, the second bevel gear 51 is lifted up and separated from the first bevel gear 21, the rotation of the driving motor can be directly transmitted to the speed reducer through the transmission shaft 2 and drives the electric cylinder to move, the second bevel gear 51 and the withdrawing driving shaft 5 cannot generate any influence on the movement of the electric cylinder, and the stability and the reliability of the electric cylinder during normal work are ensured; when the driving motor is out of work and the electric cylinder is in an extending state, the second bevel gear 51 is meshed with the first bevel gear 21 by pressing down the withdrawing driving shaft 5 after the cotter pin is removed, and the electric cylinder can be withdrawn by connecting the withdrawing driving device at the upper end of the withdrawing driving shaft 5, so that the functionality and the practicability are enhanced. It should be noted that, in practical application, the left and right sides of the box 1 are designed to be matched with the driving motor and the reducer, wherein the left side of the box 1 is provided with a screw hole for connecting the driving motor, the right side of the box 1 is provided with a screw for connecting the reducer, the left end of the transmission shaft 2 is provided with an insertion hole 22 matched with the output shaft of the driving motor, the peripheral wall of the insertion hole 22 is provided with a first flat key 221 through a key slot, the right end of the transmission shaft 2 is provided with an insertion head 23 matched with the reducer, and the peripheral wall of the insertion head 23 is provided with a second flat key 231 through a key slot, so as to improve the universality and the convenience of the connection operation of the gearbox, and the driving motor can be directly connected with the reducer and normally work without installing the gearbox. It should be further noted that the retraction driving device may be a tool in various forms such as a finger wrench, an electric wrench, etc.
Preferably, the present embodiment provides annular grooves spaced vertically on the outer peripheral wall of the support sleeve 4, and the guide strips 41 attached to the outer sleeve 3 are mounted in the annular grooves. The structure is arranged under the action of the guide belt 41, so that the flexibility of the up-and-down movement of the support sleeve 4 is ensured, the withdrawing driving shaft 5 and the second bevel gear 51 can keep good alignment, and the radial force can not generate great influence on the radial position of the withdrawing driving shaft 5 and the second bevel gear 51 during emergency withdrawal. Meanwhile, in the embodiment, the top of the box body 1 is provided with the end cover 6 through a screw, and the end cover 6 is provided with the through hole 61; and an annular connecting plate 31 is provided at the lower end of the jacket 3, so that the connecting plate 31 is fixed to the end cover 6 by screws. The through hole 61 of the end cover 6 is coaxial with the outer sleeve 3, and the diameter of the through hole 61 is smaller than the inner diameter of the outer sleeve 3. This setting has simple structure, easy dismounting's advantage, and through making the diameter of through-hole 61 be less than the internal diameter of overcoat 3 in order to form down keep off the platform, makes the lower extreme of support cover 4 just in time be in down keep off the bench when second bevel gear 51 meshes with first bevel gear 21, has not only improved the convenience that pushes down and remove drive shaft 5, and can effectively strengthen the emergent stability of removing the operation.
Preferably, in the present embodiment, the upper end of the outer sleeve 3 is provided with a connecting portion 32 integrally formed therewith, the inner and outer diameters of the connecting portion 32 are correspondingly smaller than those of the outer sleeve 3, and the connecting portion 32 is externally threaded with the protective cover 7. The arrangement enables the connecting part 32 to form an upper baffle table at the connecting part by enabling the inner diameter of the connecting part to be smaller than that of the outer sleeve 3 so as to limit the upward movement of the supporting sleeve 4 and improve the convenience of lifting and withdrawing the driving shaft 5; through letting the external diameter of connecting portion 32 be less than the external diameter of overcoat 3, can conveniently set up the external screw thread and install protection casing 7 on connecting portion 32, and protection casing 7 can play effectual dustproof guard action to the inside spare part of gear box. It should be noted that, after the protective cover 7 is installed, when the electric cylinder needs to be removed in an emergency, the protective cover 7 should be unscrewed and removed first, and then the subsequent operation is performed. In order to enhance the sealing performance of the gear box, in the present embodiment, a first seal ring 33 is provided between the outer sleeve 3 and the lower end surface of the protection cover 7, a second seal ring 34 is provided between the connection plate 31 and the end cover 6, and a handle-side seal 11 is provided between the case 1 and the end cover 6. It should be noted that, when the installation is used specifically, the left and right sides of the box body 1 are provided with shaft side sealing gaskets between the driving motor and the reducer respectively, so as to ensure the sealing performance of the corresponding connection.
As a specific embodiment, the present invention adopts the following mounting method for the retraction drive shaft 5: a first annular table and a second annular table are correspondingly arranged at the upper end and the lower end of the inner wall of the support sleeve 4, a third annular table and a fourth annular table which are distributed up and down are arranged on the withdrawing driving shaft 5, and a first limit nut 53 is arranged on the withdrawing driving shaft 5 at the upper side of the third annular table through threads; and a first bearing 8 and a second bearing 9 which are distributed up and down are arranged, the first bearing 8 is clamped between the first ring platform and the first limit nut 53, and the second bearing 9 is clamped between the second ring platform and the fourth ring platform. This setting has simple structure, easy dismounting, the steady advantage of transmission, through clamping the first bearing 8 and the second bearing 9 that distribute from top to bottom, both can make and remove the smooth rotation of receiving drive shaft 5, can make again and remove receiving drive shaft 5 and support cover 4 and reciprocate in step.
As a specific embodiment, the invention adopts the following mounting modes for the transmission shaft: a shaft sleeve 24, a third bearing 25 and a second limit nut 26 are sequentially arranged on the transmission shaft 2 from left to right, the left side of the shaft sleeve 24 is pressed on the first bevel gear 21, and the third bearing 25 is arranged in a bearing sleeve 27 fixed on the box body 1 through screws. The device has the advantages of simple structure, convenient assembly and disassembly and stable transmission. Meanwhile, the present embodiment adopts the following mounting and fixing manner for the first bevel gear 21: the first bevel gear 21 is sleeved on the transmission shaft 2, and the third flat key 28 is arranged between the first bevel gear 21 and the transmission shaft 2 through the key slot, so that the left side of the first bevel gear 21 is pressed against a limit ring table arranged on the transmission shaft 2, and the convenience of disassembly and assembly is further improved.
It should be noted that, in order to facilitate connection of the withdrawing driving device, in practical application, the upper end of the withdrawing driving shaft 5 is further provided with a driving joint 54, and the driving joint 54 may adopt various structural forms such as a hexagonal head, a square head or a quincuncial head; in order to conveniently press and lift the withdrawing driving shaft 5, the upper half part of the withdrawing driving shaft 5 adopts a threaded column structure so as to be connected with an operating handle. In addition, the present invention generally employs deep groove ball bearings for the first bearing 8 and the second bearing 9 to reduce frictional resistance thereof, and self-aligning roller bearings for the third bearing 25 to improve adaptability to errors by utilizing self-aligning performance.
The above examples are only for describing the preferred embodiments of the present invention, and do not limit the scope of the claimed invention, and various modifications made by those skilled in the art according to the technical solutions of the present invention should fall within the scope of the invention defined by the claims without departing from the design concept of the present invention.
Claims (10)
1. The utility model provides an emergent gear box of withdrawing of electronic jar, its characterized in that, includes box (1), transmission shaft (2), overcoat (3), supports cover (4) and withdraws drive shaft (5), transmission shaft (2) transversely install in box (1), and the coaxial first bevel gear (21) that is fixed with on transmission shaft (2), the vertical open-top department at box (1) of fixing of overcoat (3), support cover (4) coaxial arrangement in overcoat (3) and make both sliding fit, withdraw drive shaft (5) coaxial arrangement in supporting cover (4), the lower extreme of withdrawing drive shaft (5) is equipped with second bevel gear (51) that matches with first bevel gear (21), and the upper half portion of withdrawing drive shaft (5) is equipped with spacing round pin shaft hole (52).
2. The electric cylinder emergency retraction gearbox according to claim 1, wherein the peripheral wall of the support sleeve (4) is provided with annular grooves which are distributed at intervals up and down, and guide belts (41) attached to the outer sleeve (3) are installed in the annular grooves.
3. The electric cylinder emergency retraction gearbox according to claim 2, characterized in that an end cover (6) is fixed to the top of the box body (1) through screws, and the end cover (6) is provided with through holes (61); the lower end of the outer sleeve (3) is provided with an annular connecting plate (31), and the connecting plate (31) is fixed on the end cover (6) through screws; the through hole (61) of the end cover (6) is coaxial with the outer sleeve (3), and the diameter of the through hole (61) is smaller than the inner diameter of the outer sleeve (3).
4. The electric cylinder emergency retraction gearbox according to claim 3, wherein a connecting part (32) is arranged at the upper end of the outer sleeve (3), the inner diameter and the outer diameter of the connecting part (32) are correspondingly smaller than the inner diameter and the outer diameter of the outer sleeve (3), and the connecting part (32) is provided with a protective cover (7) through external threads.
5. The electric cylinder emergency retraction gearbox according to claim 4, characterized in that a first sealing ring (33) is arranged between the outer sleeve (3) and the lower end face of the protective cover (7), and a second sealing ring (34) is arranged between the connecting plate (31) and the end cover (6); and a handle side sealing gasket (11) is arranged between the box body (1) and the end cover (6).
6. The electric cylinder emergency retraction gearbox according to claim 5, wherein the left end of the transmission shaft (2) is provided with an insertion hole (22) matched with the output shaft of the driving motor, a first flat key (221) is installed on the peripheral wall of the insertion hole (22) through a key slot, an insertion head (23) matched with the speed reducer is installed at the right end of the transmission shaft (2), and a second flat key (231) is installed on the peripheral wall of the insertion head (23) through a key slot.
7. The electric cylinder emergency retraction gearbox according to claim 6, wherein the upper end and the lower end of the inner wall of the support sleeve (4) are correspondingly provided with a first ring platform and a second ring platform, the retraction driving shaft (5) is provided with a third ring platform and a fourth ring platform which are distributed up and down, and a first limit nut (53) is installed on the retraction driving shaft (5) on the upper side of the third ring platform through threads; a first bearing (8) is clamped between the first ring table and the first limiting nut (53), and a second bearing (9) is clamped between the second ring table and the fourth ring table.
8. The electric cylinder emergency retraction gearbox according to claim 7, wherein a shaft sleeve (24), a third bearing (25) and a second limit nut (26) are sequentially arranged on the transmission shaft (2) from left to right, the left side of the shaft sleeve (24) is pressed against the first bevel gear (21), and the third bearing (25) is installed in a bearing sleeve (27) fixed on the box body (1) through screws.
9. The electric cylinder emergency retraction gearbox according to claim 8, wherein the first bevel gear (21) is sleeved on the transmission shaft (2), a third flat key (28) is installed between the first bevel gear (21) and the transmission shaft (2) through a key slot, and the left side of the first bevel gear (21) is pressed against a limit ring table arranged on the transmission shaft (2).
10. The electric cylinder emergency retraction gearbox according to claim 9, wherein shaft side gaskets are respectively arranged on the left side surface and the right side surface of the box body (1); the upper end of the withdrawing driving shaft (5) is provided with a driving joint (54); the first bearing (8) and the second bearing (9) are deep groove ball bearings, and the third bearing (25) is a self-aligning roller bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010867207.4A CN112013081B (en) | 2020-08-26 | 2020-08-26 | Emergency gear box for withdrawing electric cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010867207.4A CN112013081B (en) | 2020-08-26 | 2020-08-26 | Emergency gear box for withdrawing electric cylinder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112013081A true CN112013081A (en) | 2020-12-01 |
| CN112013081B CN112013081B (en) | 2021-11-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010867207.4A Active CN112013081B (en) | 2020-08-26 | 2020-08-26 | Emergency gear box for withdrawing electric cylinder |
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| Country | Link |
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| CN (1) | CN112013081B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4111242A1 (en) * | 1990-05-28 | 1991-12-05 | Auerbach Werkzeugmaschf Veb | Bevel gear drive for machine tool spindle - has recess cut in spindle sleeve to make room for bevel gear |
| CN108895120A (en) * | 2018-07-06 | 2018-11-27 | 甘肃省机械科学研究院有限责任公司 | Bevel Gear Transmission pair engages disengaging gear |
| CN209786951U (en) * | 2019-02-27 | 2019-12-13 | 无锡迈茨工业自动化有限公司 | Electric cylinder manual device |
| CN209963899U (en) * | 2019-04-12 | 2020-01-17 | 无锡迈茨工业自动化有限公司 | Two-shaft synchronous manual electric cylinder |
| CN210531568U (en) * | 2019-04-20 | 2020-05-15 | 沈阳乾鼎机械制造有限公司 | Speed reducer for coke pusher |
| CN111585382A (en) * | 2019-02-17 | 2020-08-25 | 程浩鹏 | Double-speed electric cylinder |
-
2020
- 2020-08-26 CN CN202010867207.4A patent/CN112013081B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4111242A1 (en) * | 1990-05-28 | 1991-12-05 | Auerbach Werkzeugmaschf Veb | Bevel gear drive for machine tool spindle - has recess cut in spindle sleeve to make room for bevel gear |
| CN108895120A (en) * | 2018-07-06 | 2018-11-27 | 甘肃省机械科学研究院有限责任公司 | Bevel Gear Transmission pair engages disengaging gear |
| CN111585382A (en) * | 2019-02-17 | 2020-08-25 | 程浩鹏 | Double-speed electric cylinder |
| CN209786951U (en) * | 2019-02-27 | 2019-12-13 | 无锡迈茨工业自动化有限公司 | Electric cylinder manual device |
| CN209963899U (en) * | 2019-04-12 | 2020-01-17 | 无锡迈茨工业自动化有限公司 | Two-shaft synchronous manual electric cylinder |
| CN210531568U (en) * | 2019-04-20 | 2020-05-15 | 沈阳乾鼎机械制造有限公司 | Speed reducer for coke pusher |
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| Publication number | Publication date |
|---|---|
| CN112013081B (en) | 2021-11-30 |
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