CN112864924A - Drawer seat transmission device of drawer type circuit breaker - Google Patents
Drawer seat transmission device of drawer type circuit breaker Download PDFInfo
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- CN112864924A CN112864924A CN202110392404.XA CN202110392404A CN112864924A CN 112864924 A CN112864924 A CN 112864924A CN 202110392404 A CN202110392404 A CN 202110392404A CN 112864924 A CN112864924 A CN 112864924A
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 53
- 230000001360 synchronised effect Effects 0.000 claims abstract description 13
- 230000000694 effects Effects 0.000 description 6
- 230000033001 locomotion Effects 0.000 description 6
- 230000001965 increasing effect Effects 0.000 description 5
- 239000011435 rock Substances 0.000 description 4
- 230000002441 reversible effect Effects 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 244000309464 bull Species 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B11/00—Switchgear having carriage withdrawable for isolation
- H02B11/12—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal
- H02B11/173—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal drawer type
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Trip Switchboards (AREA)
Abstract
The invention discloses a drawer seat transmission device of a drawer type circuit breaker, belonging to the technical field of drawer type circuit breaker accessories and comprising a driver and an angle plate component, wherein the driver comprises a driving bolt connected with a rocking handle and driving bolts arranged on two sides of the driving bolt; change single drive bolt among traditional drawer seat transmission into the synchronous transmission who comprises single initiative bolt and two drive bolts, the moment of drive bolt to the drive groove of both sides has been reduced, thereby the effort that synchronous transmission received has been reduced, simultaneously two drive bolts can share the effort that originally received by single drive bolt, the structural strength of the drive bolt among this transmission has further been improved, the effectual deformation and the threaded wearing and tearing that have prevented drive bolt axle, the life of extension transmission, and then extension drawer type circuit breaker's life.
Description
Technical Field
The invention relates to the technical field of drawer type circuit breaker accessories, in particular to a drawer seat transmission device of a drawer type circuit breaker.
Background
The used drawer seat structure of current withdrawable circuit-breaker makes drive bolt rotate through the rocking handle, and drive bolt drive scute part converts drive bolt's moment of torsion into the horizontal migration of scute, and the scute motion is used the epaxial pinion of commentaries on classics, makes the pinion rotate to drive big gear drive cam part, make cam drive, axle synchronous motion on the scute subassembly is colluded to the intraoral curved surface of cam groove. For example, in the utility model having the name of "201220186809.4", the driving device for the drawer base of the drawout electrical switch and the drawer base thereof, the front and back movement of the angle plate component is driven by a rotating shaft screw rod arranged at the middle part of the driving device in the drawer base, thereby realizing the front and back movement of the left and right side plates, and continuously switching the separation, test and connection positions of the circuit breaker body in the drawer base. Because the step of constantly separating, experimental, connection need be carried out during the experiment, and circuit breaker weight is higher again, and the driver has played the effect of the whole drawer seat of drive again in the transmission process of drawer life, consequently, the driver has become the worst place among the whole drawer seat circuit breaker, and drive bolt is the core drive structure of whole action chain again, therefore drive bolt has just become the link of thinnest. All the existing drawer-type circuit breakers are driven by a thread structure transmission component, the distance between a single transmission bolt and a driving groove on the angle plate component is assumed to be L, the transmission counterforce is Fa, and a torque Fa multiplied by L with a twisting effect can be generated on the transmission bolt through the distance L, so that the acting force on the transmission bolt is increased undoubtedly; the increased acting force can simultaneously cause the deformation of the bolt shaft, so that the straightness of the bolt is poor, the stress direction of thread teeth on the bolt is changed, and the abrasion of threads on the bolt is increased. And because the counter force Fa on the driving groove is related to the clamping force of the contact bridge structure of the drawer seat, and the force value directly influences the breaking capacity, the reliability of the drawer seat transmission device cannot be improved by reducing the load of the drawer seat by reducing the size of Fa, so that how to improve the service life of the driving device and the service life of the whole drawer type circuit breaker become pain points in the prior art.
Disclosure of Invention
The invention aims to solve the technical problems and provides a drawer seat transmission device of a drawer type circuit breaker, wherein an original single transmission bolt is changed into a synchronous transmission mechanism consisting of a single driving bolt and two driving bolts, so that the moment from the driving bolts to driving grooves on two sides is reduced, the torsional force applied to the synchronous transmission mechanism is reduced, the applied force can be shared by the two driving bolts, the structural durability of the driving bolts is further improved, and the deformation of a bolt shaft and the abrasion of threads are effectively prevented.
In order to achieve the purpose, the invention provides the following scheme: the invention provides a drawer seat transmission device of a drawer type circuit breaker, which comprises a driver and an angle plate assembly, wherein the driver comprises a driving bolt connected with a rocking handle and driving bolts arranged on two sides of the driving bolt, the driving bolt is respectively in synchronous transmission connection with the driving bolts, and the driving bolts are in threaded connection with the angle plate assembly.
Preferably, the axes of the driving bolt and the driving bolt are located in the same plane, and the diameter of the driving bolt is larger than that of the driving bolt.
Preferably, the driving bolt and the driving bolt are in synchronous transmission connection through gears meshed with each other, and the diameter of the gear on the driving bolt is larger than that of the gear on the driving bolt.
Preferably, the driver is including supporting the initiative bolt with the supporting component of drive bolt, supporting component is including being located the backup pad of gear terminal surface both sides, two correspond in the backup pad and be equipped with the confession the drive bolt rotates the first commentaries on classics hole of connecting, is close to simultaneously the rocking handle be equipped with the confession in the backup pad the second commentaries on classics hole that the initiative bolt rotated the connection.
Preferably, a third rotating hole is formed in the supporting plate far away from the rocking handle, and one end, far away from the rocking handle, of the driving bolt is rotatably connected to the third rotating hole.
Preferably, a supporting cushion block with the thickness thicker than that of the gear is fixedly connected between the two supporting plates.
Preferably, the driver comprises a plurality of cover plates which are buckled on the two support plates along the length direction of the support plates, the top walls of the plurality of cover plates are provided with accommodating holes, and the support plates are provided with protrusions which can be inserted into the accommodating holes; the side wall of the n-shaped cover plate is fixedly connected with the end of the supporting plate through a fastening bolt; the bottom wall of the n-shaped cover plate is fixedly connected with the base of the drawer seat.
Preferably, the gusset assembly includes an L-shaped gusset with a drive slot, the L-shaped gusset being threadedly coupled to the drive bolt.
Preferably, a bolt plate is fixedly connected to one side of the L-shaped angle plate, which is opposite to the driving groove, and the bolt plate is in threaded connection with the driving bolt.
Preferably, the bolt plate and the L-shaped angle plate are fixedly connected through a bolt shaft and a gasket.
Compared with the prior art, the invention has the following technical effects:
1. the driving structure in the driver consists of a driving bolt connected with the rocking handle and two driving bolts arranged on two sides of the driving bolt, the driving bolt is connected with the two driving bolts in a synchronous transmission manner, when the rocking handle is rotated to drive the driving bolt to rotate, the driving bolt can rotate synchronously along with the driving bolt, and then the driving angle plate component slides back and forth under the action of the driving bolt. The driver in the drawer seat transmission device changes the driving of a single transmission bolt in the traditional driver into a mode of being driven by a driving bolt and two driving bolts in a synchronous matching mode, the distance between the driving bolt and a driving groove on an angle plate assembly is shortened, then the moment of the driving bolt is reduced under the action of the same transmission counterforce Fa, so that the acting force acting on the driving bolt is reduced, meanwhile, the acting force exerted on the driving bolt can be shared by the two driving bolts, the acting force acting on the driving bolt is further reduced, the structural durability of the driving bolt is improved, the deformation of a bolt shaft of the driving bolt and the deformation of insections are effectively avoided, the straightness of the bolt are ensured, and the precision and the service life of the driver are ensured.
2. The axes of the driving bolt and the driving bolt are positioned in the same plane, so that the force transfer stability of the driving bolt and the driving bolt is ensured, and meanwhile, the distance from the driving bolt to the driving groove on the angle plate component is reduced to the maximum extent so as to reduce the torsional force applied to the driving bolt; meanwhile, the diameter of the driving bolt is larger than that of the driving bolt, so that the structural strength of the driving bolt is improved, and the driving bolt is a main force application structure and is easy to deform, so that the structural strength of the driving bolt is improved, and the service life of a driver can be further ensured.
3. The diameter of the gear on the driving bolt is larger than that of the gear on the driving bolt, when the gear on the driving bolt rotates for one circle, the corresponding rotation of the gear on the driving bolt can exceed one circle, so that the effect of accelerating the speed of the driving bolt can be achieved, and the number of turns required by the driving bolt in the driver can be less than that of the transmission bolt in the traditional driver under the condition that the angle plate moves for the same distance; the speed increasing effect can be changed by changing the ratio of the radius of the gear on the driving bolt to the radius of the gear on the driving bolt.
4. When rotating rocking handle and initiative bolt drive bolt and rotate, can make initiative bolt and drive bolt take place to rock very easily, and rock the precision that will influence biography power inevitably, consequently be provided with the gear centre gripping on two backup pads bolt and the drive bolt of will taking the initiative in this driver in the supporting component at the middle part of two backup pads, can reduce rocking handle's the influence of bringing and guarantee the stable biography power of initiative bolt to drive bolt through the spacing of backup pad, thereby improve the precision of driver, guarantee that the circuit breaker body can be accurate separate, it is experimental, hookup location's switching.
5. A few style of calligraphy apron passes through the accommodation hole lock in the backup pad, when improving the stability of backup pad, still transmits the power that the backup pad received for the drawer seat, effectively shifts the stress that initiative bolt and drive bolt that the backup pad received brought to and rocking handle brought rock, further improves the structural stability of whole driver, guarantees that the circuit breaker can be accurate separate, experimental and connect.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments 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 it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
Fig. 1 is a schematic structural view of the whole drawer base;
fig. 2 is a schematic structural view of a drawer base transmission device;
FIG. 3 is a schematic diagram of the structure of the driver;
FIG. 4 is a schematic view of the construction of the corner plate assembly;
fig. 5 is a schematic diagram of the drawer base transmission device under stress.
Description of reference numerals:
1. a driver; 2. a gusset assembly; 3. a sliding assembly; 4. a base; 5. a rocking handle; 111. an active bolt; 112. a drive bolt; 113. a driving gear; 114. a drive gear; 115. a support plate; 116. a first rotary hole; 117. a second rotary hole; 118. a third rotary hole; 119. supporting the cushion block; 120. a cover plate shaped like a Chinese character 'ji'; 121. an accommodation hole; 122. a protrusion; 123. a front cylindrical surface of the active bolt; 124. a rear cylindrical surface of the active bolt; 125. a drive bolt front cylindrical surface; 126. driving a rear cylindrical surface of the bolt; 127. a connecting member; 128. fastening a bolt; 211. an L-shaped gusset; 212. a drive slot; 213. a threaded hole; 214. connecting holes; 215. a gasket; 216. a bolt shaft; 217. a bolt plate; 311. a rotating shaft; 312. a pinion gear; 313. a bull gear; 314. a cam; 315. a side plate; l, distance; fa. The transmission force is reversed.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The embodiment provides a drawer base transmission device of a drawer type circuit breaker, as shown in fig. 1 to 5, including a driver 1 and an angle plate assembly 2, the driver 1 is fixedly connected to a base 4 of a drawer base, the driver 1 includes a driving bolt 111 and a driving bolt 112, the driving bolt 111 is connected to a rocking handle 5, the two driving bolts 112 are disposed on two sides of the driving bolt 111, and are in synchronous transmission connection with the driving bolt 111, the driving bolt 112 is in threaded connection with the angle plate assembly 2, and the angle plate assembly 2 is slidably connected to the base 4 of the drawer base. As shown in FIG. 1, by rotating the rocking handle 5, the driving bolt 111 is driven to rotate, and then the driving bolt 112 is driven to rotate, the driving bolt 112 is engaged with the angle plate assembly 2, so that the torsion of the driving bolt 112 is converted into the horizontal movement of the angle plate assembly 2. The driving slot 212 of the angle plate assembly 2 acts on the small gear 312 on the rotating shaft 311, so that the small gear 312 rotates, and the large gear 313 is driven to drive the cam 314 to rotate, and then the curved surface in the notch of the cam 314 hooks the shaft on the side plate 315 of the sliding plate assembly 3 to move synchronously, and then the whole drawer seat is driven to slide. As shown in FIG. 5, the distance between the driving bolt 112 and the driving slot 212 of the corner plate assembly 2 is L, and the two driving bolts 112 will be commonly subjected to the reverse driving force Fa when they are rotated, and the torque of the reverse driving force Fa on the driving bolt 112 is Fa L. Assuming that the reverse driving force applied to a single driving bolt of the conventional drawer base transmission is also Fa, the moment Fa × La must also be greater than the moment Fa × L since the distance La from the driving slot 212 to the single driving bolt is greater than L. Therefore, the acting force applied to a single driving bolt in the conventional device is larger than the acting force applied to the driving bolt 112 in the present embodiment, and therefore, the service life of the driving bolt 112 structure in the present embodiment is longer than that of the conventional drawer base transmission device.
As shown in fig. 3, in the present embodiment, the axial centers of the driving bolt 111 and the driving bolt 112 are located in the same plane, so that the driving bolt 111 and the driving bolt 112 stably transmit. And the driving bolts 112 are located at both sides of the driving bolt 111, increasing the distance between the driving bolts 112, decreasing the distance L from the driving groove 212, and then decreasing the moment. In this embodiment, the diameter of the driving bolt 111 is greater than the diameter of the driving bolt 112 to enhance the structural strength of the driving bolt 111 itself, and the driving bolt 111 is a force application structure and is also a vulnerable component, so as to ensure the structural strength of the driving bolt 111, and further effectively improve the overall service life of the driver 1.
Further, as shown in fig. 3, in the present embodiment, a driving gear 113 is disposed at an end of the driving bolt 111, a driving gear 114 is disposed at an end of the driving bolt 112, and then the two driving gears 114 are engaged with two sides of the driving gear 113, and the driving gear 114 is rotated by the rotation of the driving gear 113, so as to drive the driving bolt 112 to rotate, so as to achieve synchronous transmission connection between the driving bolt 111 and the driving bolt 112. Meanwhile, the diameter of the driving gear 113 is larger than that of the driving gear 114, when the driving gear 113 rotates for one circle, the driving gear 114 rotates for more than one circle, and compared with the traditional transmission device in which the transmission bolt rotates for one circle, the driving gear 114 in the embodiment achieves the effect of speed increase. By changing the ratio of the radii of the pinion gear 113 and the pinion gear 114, the effect of changing the speed can be achieved.
Further, in the present embodiment, as shown in fig. 3, the driver 1 further includes a support assembly supporting the driving bolt 111 and the driving bolt 112, the support assembly includes two support plates 115, the two support plates 115 are respectively located at the front side and the rear side of the driving gear 114 and the driving bolt 113, and the two support plates 115 are fixedly connected through the connecting members 127 at the two ends. The two ends of the supporting plate 115 are correspondingly provided with first rotating holes 116, and the middle part of the supporting plate 115 at the front side is provided with a second rotating hole 117. The driving bolt 111 is inserted into the second rotating hole 117, the front end of the driving bolt 111 is fixedly connected with the rocking handle 5, the driving bolt 112 is simultaneously inserted into the first rotating holes 116 at the two ends of the front supporting plate 115 and the rear supporting plate 115, and the rear end of the driving bolt 112 is screwed on the angle plate component 2. The driving bolt 111 and the driving bolt 112 are supported by the two supporting plates 115 and limited, so that stable rotation of the driving bolt is ensured, and shaking is avoided.
Further, in this embodiment, as shown in fig. 3, a third rotating hole 118 is formed on the supporting plate 115 located at the rear side of the driving gear 113 and the driving gear 114 corresponding to the second rotating hole 117, and the rear end of the driving bolt 111 is inserted into the third rotating hole 118, so that the driving bolt 111 is simultaneously supported by the two supporting plates 115, and stable transmission of the driving bolt 111 is ensured. Meanwhile, the forces applied to the driving bolt 111 and the driving bolt 112 can be transmitted to the two support plates 115 through the two support plates 115, so that stable force transmission of the driving bolt 111 and the driving bolt 112 is ensured.
Further, in this embodiment, as shown in fig. 3, a front end and a rear end of the active bolt 111 are respectively provided with a front active bolt cylindrical surface 123 and a rear active bolt cylindrical surface 124, the front active bolt cylindrical surface 123 is inserted into the second rotation hole 117, and the rear active bolt cylindrical surface 124 is inserted into the third rotation hole 118, so that the active bolt 111 is rotatably connected to the two support plates 115. The front end of the driving bolt 112 is provided with a driving bolt front cylindrical surface 125, the front end of the threaded section at the rear end of the driving bolt 112 is provided with a driving bolt rear cylindrical surface 126, and the driving bolt front cylindrical surface 125 and the driving bolt rear cylindrical surface 126 extend into the first rotation hole 116. The front driving bolt cylindrical surface 123, the rear driving bolt cylindrical surface 124, the front driving bolt cylindrical surface 125 and the rear driving bolt cylindrical surface 126 are smooth cylindrical surfaces, which is beneficial to the smooth rotation of the driving bolt 111 and the driving bolt 112 on the support plate 115.
In this embodiment, as shown in fig. 3, a supporting pad 119 is further disposed between the two supporting plates 115, the supporting pad 119 and the two supporting plates 115 are fixed together by a connecting member 127, and the thickness of the supporting pad 119 is thicker than that of the driving gear 113 and the driving gear 114, so as to prevent the two supporting plates 115 from affecting the rotation of the driving gear 113 and the driving gear 114.
In this embodiment, the connecting member 127 may be a screw or any other structure capable of connecting the support block 119 and the two support plates 115.
In this embodiment, as shown in fig. 2 and 3, the driver 1 further includes a n-shaped cover plate 120, two parallel long-strip-shaped receiving holes 121 are formed along the length direction of the top wall of the n-shaped cover plate 120, and a long-strip-shaped protrusion 122 protrudes from the middle of the top of the support plate 115; the protrusions 122 are inserted into the receiving holes 121, the cover plate 120 is then snapped onto the support plates 115, the support plates 115 are pressed against the base 4, and the cover plate 120 is then fixed to the base 4 by fasteners such as screws. Meanwhile, the side walls of the cover plate 120 are fixedly connected with the ends of the two support plates 115 through fastening bolts 128. When rocking the rocking handle 5, inevitable will produce and rock, compresses tightly the backup pad 115 on base 4 through having set up several style of calligraphy apron 120, can guarantee that backup pad 115 gives the stable support of initiative bolt 111 and drive bolt 112 to offset the rocking problem that rocking handle 5 brought, improve the transmission accuracy nature of driver 1. Meanwhile, the n-shaped cover plate 120 can transmit the acting force applied to the driving bolt 111 and the driving bolt 112 to the base 4, and the acting force is shared by the whole drawer seat, so that the stability of the whole drawer seat is improved.
In the present embodiment, as shown in fig. 2 and 4, the gusset assembly 2 includes an L-shaped gusset 211 having a driving groove 212, two threaded holes 213 are formed in a vertical plate of the L-shaped gusset 211, two driving bolts 112 are threaded into the two threaded holes 213, and when the driving bolts 112 rotate, the L-shaped gusset 211 converts the torque of the driving bolts 112 into horizontal movement of the L-shaped gusset 211 to drive the L-shaped gusset 211 to slide back and forth. Then, under the sliding of the L-shaped angle plate 211, the driving groove 212 acts on the small gear 312 on the rotating shaft 311, so that the small gear 312 rotates, and the large gear 313 is driven to drive the cam 314 to rotate, then the curved surface in the notch of the cam 314 hooks the shaft on the side plate 315 of the sliding plate assembly 3 to synchronously move, and then the whole drawer seat is driven to slide, and the separation, test and connection changes of the circuit breaker body are realized.
In this embodiment, as shown in fig. 2 and 4, an elongated bolt plate 217 is fixedly connected to the front side of the L-shaped angle plate 211, and the bolt plate 217 has threaded holes 213 with the same position and size corresponding to the threaded holes 213 on the L-shaped angle plate 211 for the driving bolt 112 to be screwed. The bolt plate 217 is arranged to improve the structural strength of the L-shaped angle plate 211, increase the thread contact area of the driving bolt 112 and improve the thread stress area, so that the threads of the driving bolt 112 are protected from deformation.
In this embodiment, as shown in fig. 2 and 4, three connecting holes 214 are correspondingly formed in the bolt plate 217 and the L-shaped angle plate 211, the bolt shaft 216 is inserted into the connecting hole 214 from one side of the bolt plate 217, and then extends out of the connecting hole 214 from one side of the L-shaped angle plate 211, and a gasket 215 is mounted on the end of the bolt shaft 216 extending out of the L-shaped angle plate 211, so as to ensure stable connection between the bolt plate 217 and the L-shaped angle plate 211.
The principle and the implementation mode of the invention are explained by applying a specific example, and the description of the embodiment is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.
Claims (10)
1. The drawer base transmission device of the drawer type circuit breaker comprises a driver and an angle plate assembly and is characterized in that the driver comprises a driving bolt connected with a rocking handle and driving bolts arranged on two sides of the driving bolt, the driving bolt is respectively in synchronous transmission connection with the driving bolts, and the driving bolts are in threaded connection with the angle plate assembly.
2. The drawer base transmission of a withdrawable circuit-breaker according to claim 1, wherein the axes of the driving bolt and the driving bolt are located in the same plane, and the diameter of the driving bolt is larger than that of the driving bolt.
3. The drawer base transmission of a withdrawable circuit-breaker according to claim 2, wherein the driving bolt and the driving bolt are in synchronous transmission connection through gears engaged with each other, and a diameter of the gear on the driving bolt is larger than a diameter of the gear on the driving bolt.
4. The drawer base transmission device of a drawer type circuit breaker according to claim 3, wherein the driver includes a support assembly for supporting the driving bolt and the driving bolt, the support assembly includes support plates disposed at two sides of the end surface of the gear, the two support plates are correspondingly provided with first rotation holes for the driving bolt to rotatably connect, and the support plate near the rocking handle is provided with second rotation holes for the driving bolt to rotatably connect.
5. The drawer base transmission of a withdrawable circuit-breaker according to claim 4, wherein a third rotation hole is provided on the supporting plate away from the rocking handle, and an end of the driving bolt away from the rocking handle is rotatably connected to the third rotation hole.
6. The drawer base transmission of a withdrawable circuit-breaker according to claim 4, wherein a supporting pad having a thickness thicker than that of the gear is fixedly connected between the two supporting plates.
7. The drawer seat transmission device of a drawer type circuit breaker according to any one of claims 4 to 6, wherein the driver includes a cover plate of a shape of Chinese character 'ji' which is fastened to the two support plates along the length direction of the support plates, the top wall of the cover plate of the shape of Chinese character 'ji' is provided with a receiving hole, and the support plates are provided with a projection which can be inserted into the receiving hole; the side wall of the n-shaped cover plate is fixedly connected with the end of the supporting plate through a fastening bolt; the bottom wall of the n-shaped cover plate is fixedly connected with the base of the drawer seat.
8. The drawer base transmission of a withdrawable circuit breaker according to claim 1, wherein the angle plate assembly comprises an L-shaped angle plate with a driving groove, the L-shaped angle plate being screw-coupled with the driving bolt.
9. The drawer seat transmission of a withdrawable circuit-breaker according to claim 8, wherein a bolt plate is fixedly connected to a side of the L-shaped angle plate opposite to the driving groove, and the bolt plate is threadedly connected to the driving bolt.
10. The drawer seat transmission of the withdrawable circuit breaker according to claim 9, wherein the bolt plate is fixedly connected with the L-shaped angle plate by a bolt shaft and a washer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110392404.XA CN112864924A (en) | 2021-04-13 | 2021-04-13 | Drawer seat transmission device of drawer type circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110392404.XA CN112864924A (en) | 2021-04-13 | 2021-04-13 | Drawer seat transmission device of drawer type circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112864924A true CN112864924A (en) | 2021-05-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110392404.XA Pending CN112864924A (en) | 2021-04-13 | 2021-04-13 | Drawer seat transmission device of drawer type circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112864924A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001509359A (en) * | 1997-01-21 | 2001-07-10 | シーメンス アクチエンゲゼルシヤフト | Loading / unloading device for power low-voltage circuit breakers |
| EP2228812A1 (en) * | 2009-03-11 | 2010-09-15 | LS Industrial Systems Co., Ltd | Withdrawable device of main circuit for vacuum circuit breaker |
| CN106558848A (en) * | 2015-09-24 | 2017-04-05 | 浙江正泰电器股份有限公司 | The stopping means of universal circuit breaker drawer seat |
| CN206789507U (en) * | 2017-05-12 | 2017-12-22 | 常熟开关制造有限公司(原常熟开关厂） | A kind of breaker |
| CN210640607U (en) * | 2019-09-23 | 2020-05-29 | 兴机电器有限公司 | Double-end screw rod propelling device |
-
2021
- 2021-04-13 CN CN202110392404.XA patent/CN112864924A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001509359A (en) * | 1997-01-21 | 2001-07-10 | シーメンス アクチエンゲゼルシヤフト | Loading / unloading device for power low-voltage circuit breakers |
| EP2228812A1 (en) * | 2009-03-11 | 2010-09-15 | LS Industrial Systems Co., Ltd | Withdrawable device of main circuit for vacuum circuit breaker |
| CN106558848A (en) * | 2015-09-24 | 2017-04-05 | 浙江正泰电器股份有限公司 | The stopping means of universal circuit breaker drawer seat |
| CN206789507U (en) * | 2017-05-12 | 2017-12-22 | 常熟开关制造有限公司(原常熟开关厂） | A kind of breaker |
| CN210640607U (en) * | 2019-09-23 | 2020-05-29 | 兴机电器有限公司 | Double-end screw rod propelling device |
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Application publication date: 20210528 |