CN111332332B - Driving mechanism of contact switch of switch machine and switch machine - Google Patents
Driving mechanism of contact switch of switch machine and switch machine Download PDFInfo
- Publication number
- CN111332332B CN111332332B CN202010310108.6A CN202010310108A CN111332332B CN 111332332 B CN111332332 B CN 111332332B CN 202010310108 A CN202010310108 A CN 202010310108A CN 111332332 B CN111332332 B CN 111332332B
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- 230000005540 biological transmission Effects 0.000 claims abstract description 14
- 230000033001 locomotion Effects 0.000 description 5
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L5/00—Local operating mechanisms for points or track-mounted scotch-blocks; Visible or audible signals; Local operating mechanisms for visible or audible signals
- B61L5/06—Electric devices for operating points or scotch-blocks, e.g. using electromotive driving means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L5/00—Local operating mechanisms for points or track-mounted scotch-blocks; Visible or audible signals; Local operating mechanisms for visible or audible signals
- B61L5/06—Electric devices for operating points or scotch-blocks, e.g. using electromotive driving means
- B61L5/065—Construction of driving mechanism
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Push-Button Switches (AREA)
Abstract
The driving mechanism of the contact switch of the switch machine comprises a base (10), a first driving piece (20), a connecting piece (30), a sliding piece (51), a driving elastic piece (40) and a transmission assembly (50). The first driving piece is movably arranged on the base along a first direction (X). The connecting member is rotatably connected to the first driving member about a first axis (R1). The slider is movable relative to the base, and the connector is further rotatably connected to the slider about a second axis (R2). The second axis is located on the same side of the first axis in the second direction. The driving elastic piece is connected with the sliding piece and enables the second axis to move towards the other side of the first axis along the second direction. The transmission assembly is arranged on the base and drives the sliding piece to enable the second axis to move from one side of the first axis to the other side in the first direction when the locking block moves. The driving mechanism has a simple structure and can not generate rigid impact on the contact switch. The invention also provides a switch machine with the driving mechanism.
Description
Technical Field
The present invention relates to a driving mechanism, and more particularly, to a driving mechanism for a contact switch of a switch machine, and a switch machine having the driving mechanism.
Background
The switch machine is switching and locking equipment of a switch, and is key equipment directly related to driving safety. The switch machine is used for switching and locking the turnout, so that centralized control is easy, and automation is realized. The switch machine is an important signal base device and plays a very important role in ensuring driving safety, improving transportation efficiency and improving labor intensity of driving personnel. In the prior art, a contact switch of a contact type is adopted, and the contact switch is usually in hard contact during switching, so that rigid impact is easy to cause, abrasion of a contact conductive layer is increased, contact resistance is increased, and regular cleaning and maintenance work on the contact surface is required.
Disclosure of Invention
The invention provides a driving mechanism of a contact switch of a switch machine, which has a simple structure and does not generate rigid impact on the contact switch.
Another object of the present invention is to provide a switch machine in which the driving mechanism of the contact switch is simple in structure and does not generate rigid impact to the contact switch.
The invention provides a driving mechanism of a contact switch of a switch machine, which comprises a contact switch of a contact type and a locking block, wherein the locking block can move between an ejecting position and a pressing position along a first direction and the opposite direction. The driving mechanism comprises a base, a first driving piece, a connecting piece, a sliding piece, a driving elastic piece and a transmission assembly. The first driving piece is movably arranged on the base along a first direction and a reverse direction thereof so as to drive the contact switch to switch states. The connecting member is rotatably connected to the first driving member about a first axis perpendicular to the first direction. The slider is movable relative to the base in a plane perpendicular to the first axis, the connector is further rotatably connected to the slider about a second axis parallel to the first axis, and the second axis is always on the same side of the first axis in a second direction perpendicular to the first direction and the first axis. The driving elastic member is connected with the sliding member and provides elastic force for moving the second axis towards the other side of the first axis along the second direction. The transmission assembly is arranged on the base, and the locking block can drive the sliding piece to move the second axis from one side to the other side of the first axis in the first direction when moving from one of the ejection position and the pressing-in position to the other.
The driving mechanism of the contact switch of the switch machine is linked with the locking block through the transmission component, and the locking block enables the second axis to move from one side to the other side of the first axis in the first direction when moving from one of the ejection position and the press-in position to the other. The first driving piece is driven to move along the first direction or the opposite direction by the driving elastic piece and the connecting piece so as to drive the contact switch to switch the state. The driving mechanism does not generate rigid impact on the contact switch, the contact pressure is determined by the elastic force of the driving elastic piece, and an additional adjusting mechanism is not needed, so that the whole structure of the driving structure is simpler.
In another exemplary embodiment of the drive mechanism, the transmission assembly includes a lift plate, a second drive member, and a return spring member. The lift plate is rotatably disposed to the base about an axis parallel to the second direction between a lowered position and a raised position. The locking block can push the lifting plate to rotate from the falling position to the lifting position when moving from the ejecting position to the pressing position along the first direction. The second driving piece is movably arranged on the base along the first direction and the reverse direction, the second driving piece can move from a forced driving position to a reset driving position along the first direction, and the sliding piece is slidably arranged on the second driving piece along the second direction and the reverse direction. The lifting plate can push the second driving piece to move from the reset driving position to the forced driving position when rotating from the falling position to the lifting position. The reset elastic piece respectively applies force to the base and the second driving piece to enable the second driving piece to move towards the reset driving position.
In another exemplary embodiment of the drive mechanism, the first drive element can be moved in the first direction from a reset position into a forced position. The drive mechanism further includes a stop member rotatably disposed on the base about a third axis parallel to the first axis between an initial position and a drive position. The first driving piece can push the limiting piece to rotate from the driving position to the initial position when moving from the forced position to the reset position. The second driving piece can drive the limiting piece to rotate from the initial position to the driving position when moving from the reset driving position to the forced driving position, and the limiting piece drives the first driving piece to be separated from the reset position. Thereby providing additional safety in case of breakage of the driving elastic member.
In another exemplary embodiment of the drive mechanism, the drive mechanism has two limiting members, and two third axes are arranged on both sides of the first drive member in the second direction. Thereby, the first driving member can be driven to move more stably.
In another exemplary embodiment of the drive mechanism, the transmission assembly further includes a first roller and a second roller. The first roller is rotatably arranged on the lifting plate around an axis parallel to the second direction, and the locking block can drive the lifting plate to rotate by pushing the first roller. The second roller is rotatably arranged on the lifting plate around an axis parallel to the second direction, and the lifting plate can push the second driving piece to move through the second roller. Therefore, friction force among the locking block, the lifting plate and the second driving piece is reduced, and stability of the driving mechanism is further improved.
In another exemplary embodiment of the drive mechanism, the drive mechanism has two connecting elements and two sliding elements, the two sliding elements are arranged on two sides of the first drive element along the second direction, the two connecting elements are rotatably connected with the first drive element, the two connecting elements are also rotatably connected with the two sliding elements in a one-to-one correspondence manner, and the two first axes and the two second axes are respectively arranged along the second direction. Thereby, the first driving member can be driven to move more stably.
In another exemplary embodiment of the driving mechanism, the driving mechanism further includes a cover plate disposed on the base and perpendicular to the first axis, and a limiting hole is formed in the cover plate, and the first driving member portion is disposed through the limiting hole.
The invention also provides a switch machine, which comprises a contact switch, a locking block and the driving mechanism. The locking block is movable in a first direction and in a reverse direction between an eject position and a press-in position. The first driving piece is movably arranged on the base along a first direction and the opposite direction to drive the contact switch to be switched, and the locking piece can drive the sliding piece to move from one side to the other side of the first axis in the first direction when moving from one of the ejection position and the pressing-in position to the other.
In another exemplary embodiment of the switch machine, the locking piece has a ramp surface, by means of which the locking piece can be rotated by pushing the lifting plate. Thereby making the movement of the lift plate smoother.
Drawings
The following drawings are only illustrative of the invention and do not limit the scope of the invention.
Fig. 1 is a schematic structural view for explaining an exemplary embodiment of a driving mechanism.
Fig. 2 is a schematic diagram of a variation of the driving mechanism used in fig. 1.
Fig. 3 to 6 are schematic views of a variation of a partial structure for the driving mechanism.
Description of the reference numerals
10 Base
20 First driving member
30 Connector
40 Drive elastic member
50 Drive assembly
51 Slider
52 Lifting plate
54 Second driving member
56 Reset elastic piece
58 First roller
59 Second roller
60 Limiting piece
70 Cover plate
72 Limit hole
80-Contact switch
90 Locking block
92 Ramp surface
R1 first axis
R2 second axis
R3 third axis
X first direction
Y second direction
Detailed Description
For a clearer understanding of the technical features, objects and effects of the present invention, embodiments of the present invention will now be described with reference to the drawings, in which like reference numerals refer to identical or structurally similar but functionally identical components throughout the separate views.
In this document, "schematic" means "serving as an example, instance, or illustration," and any illustrations, embodiments described herein as "schematic" should not be construed as a more preferred or advantageous solution.
For simplicity of the drawing, only the portions related to the present exemplary embodiment are schematically shown in each drawing, which do not represent the actual structure thereof as a product.
Herein, "first", "second", etc. are used merely to distinguish one from another, and do not indicate their importance, order, etc.
Fig. 1 and 2 are exploded views for explaining an exemplary embodiment of a driving mechanism of a contact switch of a switch machine. Fig. 3 to 6 are schematic views of a variation of a partial structure for the driving mechanism. Referring to fig. 1 to 6, the switch machine includes a contact switch 80 and a locking block 90, the locking block 90 being movable in a first direction X and in a reverse direction between an ejecting position and a pressing position. The driving mechanism comprises a base 10, a first driving member 20, two connecting members 30, two sliding members 51, a driving elastic member 40 and a transmission assembly 50.
Referring to fig. 3 to 6, the first driving member 20 is movably disposed on the base 10 along a first direction X and a reverse direction thereof to drive the contact switch 80 to switch states. In the exemplary embodiment, referring to fig. 1 and 2, the driving mechanism further includes a cover plate 70, the cover plate 70 is disposed on the base 10 and perpendicular to the first axis R1, a limiting hole 72 is formed on the cover plate 70, and the first driving member 20 is partially disposed through the limiting hole 72. The inner wall of the limiting hole 72 can limit the movement of the first driving member 20 in the first direction X to correspond to the stroke of the contact switch 80.
The two coupling members 30 are each rotatably coupled to the first driving member 20 about a first axis R1 perpendicular to the first direction X, and the two first axes R1 are aligned in a second direction Y perpendicular to the first direction X and the first axis R1, the first axis R1 being perpendicular to the paper surface in fig. 3 to 6. Two slides 51 are provided on both sides of the first drive member 20 in the second direction Y and are movable relative to the base 10 in a plane perpendicular to the first axis R1. The two coupling members 30 are also rotatably coupled to the slider 51 in a one-to-one correspondence about a second axis R2 parallel to the first axis R1, the two second axes R2 being aligned along the second direction Y. The range of motion of the sliding member 51 in the first direction is limited such that the second axis R2 corresponding to each of the connecting members 30 is always located on the same side of the first axis R1 in the second direction Y. The driving elastic member 40 is, for example, a tension spring connecting the two sliding members 51 in the second direction, and the two sliding members 51 tend to move toward each other in the second direction and the opposite direction under the driving of the elastic force of the driving elastic member 40, and the driving connecting member 30 moves to move the second axis R2 toward the other side of the first axis R1 in the second direction Y. The connecting member 30 drives the first driving member 20 in a first direction or a direction opposite thereto, the direction of movement being dependent on the relative positions of the first axis R1 and the second axis R2 in the first direction. Although the coupling member 30 and the sliding member 51 are respectively two in the illustrated embodiment, the first driving member 20 can be more stably driven to move. However, not limited thereto, in other exemplary embodiments, the link 30 and the slider 51 may each include only one.
Referring to fig. 1 and 2, a transmission assembly 50 is provided to the base 10, and the locking block 90 is capable of driving the slider 51 to move the second axis R2 from one side to the other side of the first axis R1 in the first direction X when moving from one of the ejecting position and the pressing position to the other.
In the illustrated embodiment, the transmission assembly 50 includes a lift plate 52, a second drive member 54, and a return spring 56. The lifter plate 52 is rotatably disposed to the base 10 about an axis parallel to the second direction Y, which is perpendicular to the page in fig. 1 and 2, between a lowered position as shown in fig. 1 and a raised position as shown in fig. 2. The lock block 90 can push the lift plate 52 to rotate from the lowered position to the raised position when moving from the ejected position to the pushed-in position in the first direction X. The second driving member 54 is movably disposed on the base 10 along a first direction X and a reverse direction thereof, and the second driving member 54 is capable of moving from a forced driving position to a reset driving position along the first direction X.
Referring to fig. 3 to 6, the slider 51 is slidably disposed at the second driving member 54 in the second direction Y and the opposite direction thereof. When the lift plate 52 is rotated from the lowered position to the raised position, the second driving member 54 is pushed to move from the reset driving position to the forced driving position in the opposite direction of the first direction X, and the second driving member 54 drives the sliding member 51 to displace in the opposite direction of the first direction X, so that the second axis R2 moves from the right side to the left side of the first axis R1 (see fig. 3 to 4). The reset elastic member 56 applies force to the base 10 and the second driving member 54, respectively, to move the second driving member 54 toward the reset driving position. When the lock block 90 moves from the pushed-in position to the pushed-out position in the opposite direction of the first direction X, the lift plate 52 loses support, the reset elastic member 56 drives the second driving member 54 to move from the forced driving position to the reset driving position in the first direction X, and the second driving member 54 drives the sliding member 51 to displace in the first direction X, so that the second axis R2 moves from the left side to the right side of the first axis R1 (refer to fig. 5 to 6).
Preferably, as shown in fig. 3 to 6, the second driving member 54 is provided with a recess extending in the second direction Y on a side facing the contact switch 80 for accommodating the slider 51. At the same time, the second drive element 54 is provided with a recess on the side facing the locking block 90, which recess can receive one drive end of the lifting plate 52. Thus, when the lift plate 52 is rotated about an axis parallel to the second direction Y by the lock block 90, the driving end portion accommodated in the groove of the second driving member 54 may move the second driving member 54 in the X direction or the opposite direction thereof, thereby simultaneously moving the sliding member 51 accommodated in the second driving member 54 in the X direction or the opposite direction thereof.
The contact switch driving mechanism of the switch machine of the present invention is coupled to the locking block 90 by the transmission assembly 50, and the locking block 90 moves from one of the ejecting position and the pushing position to the other, thereby moving the second axis R2 from one side to the other side of the first axis R1 in the first direction X. Thereby driving the first driving member 20 to move along the first direction X or the opposite direction thereof by driving the elastic member 40 and the connecting member 30 to drive the contact switch 80 to switch states. The driving mechanism does not generate rigid impact to the contact switch 80, and the contact pressure is determined by the elastic force of the driving elastic member 40, so that an additional adjusting mechanism is not required, and the overall structure of the driving structure is simpler.
In the illustrated embodiment, referring to fig. 3-6, the first driver 20 is movable in the first direction X from a reset position, as shown in fig. 3, to a forced position, as shown in fig. 5. The driving mechanism further comprises two limiting members 60, wherein each limiting member 60 is rotatably arranged on the base 10 between an initial position shown in fig. 3 and a driving position shown in fig. 4 around a third axis R3 parallel to the first axis R1, and the two third axes R3 are arranged on both sides of the first driving member 20 along the second direction Y. The first driving member 20 can push the limiting member 60 to rotate from the driving position to the initial position when moving from the forced position to the reset position. The second driving member 54 can drive the limiting member 60 to rotate from the initial position to the driving position when moving from the reset driving position to the forced driving position, and the limiting member 60 drives the first driving member 20 to be separated from the reset position to open the contact switch 80. Whereby additional safety can be provided in case of breakage of the driving elastic member 40. Although the exemplary embodiment has two stoppers 60, the first driving member 20 may be more stably driven to move. However, without limitation, in other exemplary embodiments, the stopper 60 may include only one.
In the illustrated embodiment, referring to fig. 1 and 2, the drive assembly 50 further includes a first roller 58 and a second roller 59. The first roller 58 is rotatably disposed on the lift plate 52 about an axis parallel to the second direction Y, and the locking block 90 can drive the lift plate 52 to rotate by pushing the first roller 58. The second roller 59 is rotatably disposed at the driving end of the lift plate 52 about an axis parallel to the second direction Y, and the lift plate 52 can push the second driving member 54 to move by the second roller 59 (e.g., the second roller 59 is disposed in a groove of the driving member 54 facing the locking block 90). The first roller 58 and the second roller 59 can reduce friction between the locking block 90, the lifting plate 52 and the second driving member 54, further improving stability of the driving mechanism.
The present invention also provides a switch machine, referring to fig. 1 to 6, which includes a contact switch 80, a locking block 90 and a driving mechanism as described above. The locking block 90 is movable in a first direction X and vice versa between an ejected position and a pressed position. The first driving member 20 is movably disposed on the base 10 along a first direction X and a direction opposite thereto to drive the contact switch 80 to switch states, and the locking block 90 is capable of driving the sliding member 51 to move the second shaft R2 from one side to the other side of the first axis R1 in the first direction X when moving from one of the ejecting position and the pressing position to the other. In the illustrated embodiment, the lock block 90 has a ramped surface 92, and the lock block 90 can rotate by pushing the lift plate 52 through the ramped surface 92. Thereby making the movement of the lift plate 52 smoother.
It should be understood that although the present disclosure has been described in terms of various embodiments, not every embodiment is provided with a separate technical solution, and this description is for clarity only, and those skilled in the art should consider the disclosure as a whole, and the technical solutions in the various embodiments may be combined appropriately to form other embodiments that will be understood by those skilled in the art.
The above list of detailed descriptions is only specific to practical examples of the present invention, and they are not intended to limit the scope of the present invention, and all equivalent embodiments or modifications, such as combinations, divisions or repetitions of features, without departing from the technical spirit of the present invention are included in the scope of the present invention.
Claims (9)
1. A drive mechanism for a contact switch of a switch machine, said switch machine comprising a contact switch (80) and a locking block (90) movable in a first direction (X) and in a reverse direction between an ejecting position and a pressing position, characterized in that said drive mechanism comprises:
a base (10);
a first driving member (20) movably disposed on the base (10) along the first direction (X) and the opposite direction thereof to drive the contact switch (80) to switch states;
a connecting member (30) rotatably connected to said first driving member (20) about a first axis (R1) perpendicular to said first direction (X);
-a slider (51) movable relative to said base (10) in a plane perpendicular to said first axis (R1), said connector (30) being further rotatably connected to said slider (51) about a second axis (R2) parallel to said first axis (R1), and said second axis (R2) being always on the same side of said first axis (R1) in a second direction (Y) perpendicular to said first direction (X) and to said first axis (R1);
A driving elastic member (40) connected to the slider (51) and providing an elastic force for moving the second axis (R2) in the second direction (Y) toward the other side of the first axis (R1), and
-A transmission assembly (50) provided to the base (10), the locking block (90) being able to drive the slider (51) to move the second axis (R2) from one side to the other side of the first axis (R1) in the first direction (X) when moving from one of the ejection position and the pressing-in position to the other;
the driving elastic member (40) is a tension spring connected with the sliding member (51) along the second direction (Y).
2. The drive mechanism of claim 1, wherein the transmission assembly (50) comprises:
A lifting plate (52) rotatably arranged on the base (10) about an axis parallel to the second direction (Y) between a lowered position and a raised position, the locking block being able to push the lifting plate (52) from the lowered position to the raised position when moving from the ejected position to the pressed-in position along the first direction (X);
A second driving member (54) movably disposed on the base (10) in the first direction (X) and the opposite direction, the second driving member (54) being movable from a forced driving position to a reset driving position in the first direction (X), the sliding member (51) being slidably disposed on the second driving member (54) in the second direction (Y) and the opposite direction, the lifting plate (52) being capable of pushing the second driving member (54) from the reset driving position to the forced driving position when rotating from the lowered position to the raised position, and
And a return elastic member (56) which applies force to the base (10) and the second driving member (54) respectively to move the second driving member (54) toward the return driving position.
3. The drive mechanism according to claim 2, wherein the first drive member (20) is movable in the first direction (X) from a reset position to a forced position;
The driving mechanism further comprises a limiting piece (60) which is rotatably arranged on the base (10) around a third axis (R3) parallel to the first axis (R1) between an initial position and a driving position, the limiting piece (60) can be pushed to rotate from the driving position to the initial position when the first driving piece (20) moves from the forced position to the reset position, the limiting piece (60) can be driven to rotate from the initial position to the driving position when the second driving piece (54) moves from the reset driving position to the forced driving position, and the limiting piece (60) drives the first driving piece (20) to be separated from the reset position.
4. A drive mechanism according to claim 3, characterized in that it has two of said limit members (60) and two third axes (R3) arranged on either side of said first drive member (20) in said second direction (Y).
5. The drive mechanism of claim 2, wherein the transmission assembly (50) further comprises:
a first roller (58) rotatably provided to the lift plate (52) about an axis parallel to the second direction (Y), the lock block being capable of driving the lift plate (52) to rotate by pushing the first roller (58), and
A second roller (59) rotatably arranged on the lifting plate (52) around an axis parallel to the second direction (Y), wherein the lifting plate (52) can push the second driving piece (54) to move through the second roller (59).
6. The drive mechanism according to claim 1, characterized in that the drive mechanism has two said connecting members (30) and two said sliding members (51), the two said sliding members (51) being arranged on both sides of the first drive member (20) in the second direction (Y), the two said connecting members (30) being rotatably connected to the first drive member (20), the two said connecting members (30) being further rotatably connected to the two said sliding members (51) in one-to-one correspondence, the two said first axes (R1) and the two said second axes (R2) being arranged in the second direction (Y), respectively.
7. The driving mechanism as recited in claim 1, further comprising a cover plate (70), said cover plate (70) being disposed on said base (10) and perpendicular to said first axis (R1), a limiting hole (72) being formed in said cover plate (70), said first driving member (20) being partially disposed through said limiting hole (72).
8. A switch machine, comprising:
A contact switch (80);
A locking block (90) movable in a first direction (X) and in a reverse direction between an eject position and a press-in position, and
A drive mechanism as claimed in any one of claims 1 to 7, a first drive member (20) being movably arranged to the base (10) in the first direction (X) and in a direction opposite thereto to drive the contact switch (80) into a switched state, the locking block (90) being capable of driving the slider (51) to move the second axis (R2) from one side of the first axis (R1) to the other side in the first direction (X) when moved from one of the ejection position and the push-in position to the other.
9. The switch machine of claim 8, wherein said locking block (90) has a ramp surface (92), said locking block (90) being capable of rotating by pushing said lifting plate (52) through said ramp surface (92).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010310108.6A CN111332332B (en) | 2020-04-20 | 2020-04-20 | Driving mechanism of contact switch of switch machine and switch machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010310108.6A CN111332332B (en) | 2020-04-20 | 2020-04-20 | Driving mechanism of contact switch of switch machine and switch machine |
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| Publication Number | Publication Date |
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| CN111332332A CN111332332A (en) | 2020-06-26 |
| CN111332332B true CN111332332B (en) | 2025-02-28 |
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| CN111791917B (en) * | 2020-07-08 | 2025-06-17 | 西安铁路信号有限责任公司 | A switch switching device and method suitable for tram tracks |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN212220247U (en) * | 2020-04-20 | 2020-12-25 | 西门子信号有限公司 | Driving mechanism of contact switch of switch machine and switch machine |
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| CN2521102Y (en) * | 2002-01-15 | 2002-11-20 | 奉化市皓盛铁路电务器材有限公司 | Electric switcher contact group driving apparatus |
| CN101875359B (en) * | 2009-04-30 | 2012-07-18 | 西门子信号有限公司 | Contact group driving mechanism |
| CN202320401U (en) * | 2011-11-16 | 2012-07-11 | 何家林 | Intermittent start plate device for electric hydraulic trip switcher and intermittent start plate |
| CN207550219U (en) * | 2017-10-31 | 2018-06-29 | 西门子信号有限公司 | Driving mechanism, contact unit and the goat of the contact unit of goat |
| DE202018101643U1 (en) * | 2018-03-23 | 2019-06-27 | Hanning & Kahl Gmbh & Co. Kg | Weichenantrieb |
| CN208915184U (en) * | 2018-08-31 | 2019-05-31 | 宁波市皓盛铁路电务器材有限公司 | A kind of novel contact group of subway |
| CN110525481B (en) * | 2019-09-03 | 2025-04-22 | 西安一信铁路器材有限公司 | A moving point linear motion mechanism for railway switch machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN212220247U (en) * | 2020-04-20 | 2020-12-25 | 西门子信号有限公司 | Driving mechanism of contact switch of switch machine and switch machine |
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