CN213025851U - Manual safety switch for electric switch machine and electric switch machine - Google Patents

Manual safety switch for electric switch machine and electric switch machine Download PDF

Info

Publication number
CN213025851U
CN213025851U CN202021182108.4U CN202021182108U CN213025851U CN 213025851 U CN213025851 U CN 213025851U CN 202021182108 U CN202021182108 U CN 202021182108U CN 213025851 U CN213025851 U CN 213025851U
Authority
CN
China
Prior art keywords
manual
movable plug
limiting movable
static
limiting
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202021182108.4U
Other languages
Chinese (zh)
Inventor
王志文
刘畅
朴盛斌
李斌
张振
郭金贵
张华剑
李旺龙
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tianjin Railway Signal Co Ltd
Original Assignee
Tianjin Railway Signal Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tianjin Railway Signal Co Ltd filed Critical Tianjin Railway Signal Co Ltd
Priority to CN202021182108.4U priority Critical patent/CN213025851U/en
Application granted granted Critical
Publication of CN213025851U publication Critical patent/CN213025851U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Abstract

The utility model provides a manual safety switch for an electric switch machine and the electric switch machine, which comprises a manual rod, a spacing movable plug frame, a static plug frame and a link mechanism; the static plug frame is provided with a static plug group and is fixedly connected with the bottom shell; the limiting movable plug frame is provided with a safety contact group; the static contact piece of the static plug group corresponds to the movable contact ring of the safety contact group in position; the limiting movable plug frame is connected with a manual rod, the manual rod penetrates through the bottom shell, and the manual rod drives the limiting movable plug frame to move in position, so that connection and disconnection of the movable contact ring and the static contact piece are realized; the limiting movable plug rack is connected with the baffle through a connecting rod mechanism. The utility model discloses a special spanner rotates manual pole, realizes the conversion of disconnection, switch-on safety contact, has guaranteed the reliability of manual safety contact.

Description

Manual safety switch for electric switch machine and electric switch machine
Technical Field
The utility model belongs to the technical field of railway switch conversion equipment, especially, relate to a manual safety switch and electric goat for electric goat.
Background
The electric switch machine is used for switching and locking the point rail, changing the opening direction of the switch and reflecting the position state of the point rail through the contact. The electric switch machine needs to manually switch the turnout under the condition of maintenance or other special conditions. The manual switch turnout needs to have the following two conditions: (1) the switched-on AC 380V power supply is switched off; (2) the short shaft baffle of the motor reducer is removed. A manual switch device is required to be arranged on a common point switch to realize the above two conditions; however, the existing manual switch mechanism can be used for disconnecting the safety contact on the premise of not opening the machine cover, if the on state needs to be recovered, the machine cover needs to be opened by using a special key, and then the machine cover can be recovered by stirring the toggle structure.
Disclosure of Invention
In view of this, the utility model aims at providing a manual safety switch for electric goat to guarantee that the goat overhauls, manually operation under the prerequisite of not opening the cover, and can resume switch-on fast, safely after finishing the operation, thereby accomplish the electronic and manually operation's of goat conversion reliably.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
a manual safety switch for an electric switch comprises a manual rod, a limiting movable plug frame, a static plug frame and a connecting rod mechanism;
the static plug frame is provided with a static plug group and is fixedly connected with the bottom shell;
the limiting movable plug frame is provided with a safety contact group; the static contact piece of the static plug group corresponds to the movable contact ring of the safety contact group in position;
the limiting movable plug frame is connected with a manual rod, the manual rod penetrates through the bottom shell, and the manual rod drives the limiting movable plug frame to move in position, so that connection and disconnection of the movable contact ring and the static contact piece are realized;
the limiting movable plug rack is connected with the baffle through a connecting rod mechanism.
Furthermore, a polygonal opening is formed in the position-limiting movable plug frame, the manual rod penetrates through the bottom shell and the polygonal opening to be connected with the position-limiting movable plug frame, and the external shape of the manual rod is consistent with that of the polygonal opening at the part corresponding to the position of the polygonal opening; the polygonal opening can be a triangular opening, a square opening, a pentagonal opening and the like, and the manual lever can be ensured to rotate to drive the position limiting plug frame to shift.
Optimized square opening
At least two hemispherical counter bores are formed in one side, corresponding to the bottom shell, of the limiting movable plug frame; the bottom shell is provided with a glass bead screw corresponding to the position of the counter bore. The number of the counter bores can be set according to the requirement, generally two counter bores are set, but the number of the counter bores is not changed according to the actual requirement; when two counter bores are arranged, one counter bore is matched with the glass bead screw, the position of the limiting movable plug frame ensures that the static contact piece is connected with the movable contact ring to be electrified, and when the other counter bore is matched with the glass bead screw, the position of the limiting movable plug frame ensures that the static contact piece is separated from the movable contact ring to be powered off.
When the state is switched from one state to another state, the hand feels obvious and sectional, and whether the switching is in place can be judged more accurately.
Furthermore, the limiting movable plug rack comprises a transverse plate and a vertical plate which are connected with each other, and a safety contact group is assembled on the transverse plate; the polygonal opening and the counter bore are arranged on the vertical plate. Namely, the transverse plate is used for installing and bearing the safety contact group, the vertical plate is used for being connected with the manual lever, and the position of the movable plug frame is determined through the counter bore.
Further, the connecting rod mechanism comprises a stud bolt and a fixing plate; two ends of the stud are respectively connected with the baffle and the fixing plate; the fixed plate is connected with the limiting movable plug frame. The whole connecting rod mechanism plays a role in driving the baffle to deviate when the position of the limiting movable plug frame deviates, so that the baffle is removed, and the conversion from electric operation to manual operation is realized.
Furthermore, stud one end is connected with the fixed plate through first joint, and the other end passes through the second and connects and be connected with the baffle.
Furthermore, the fixing plate comprises a connecting plate, the bottom end of the connecting plate extends out of the transverse fixing plate towards one side of the limiting movable plug rack, and the side end of the connecting plate extends out of the vertical fixing plate towards one side of the stud; the transverse fixed plate is connected with a transverse plate of the limiting movable plug rack; the vertical fixing plate is connected with the first joint.
Furthermore, one end of the first joint is provided with a thread connected with the stud, the other end of the first joint is provided with a groove, and the vertical fixing plate is clamped in the groove and fixed through a pin or the thread; one end of the second joint is provided with a thread connected with the stud, and the other end of the second joint is fixed with the baffle plate through a pin or a thread.
Furthermore, a cushion pipe is arranged between the baffle plate and the gear box; the manual rod is also provided with a cushion pipe, the cushion pipe is positioned between the limiting movable plug rack and the locknut, and the locknut and the cushion pipe fix the positions of the manual rod and the limiting movable plug rack.
Furthermore, the device also comprises a limit screw which is arranged on the bottom shell. The phenomenon that the limiting movable plug head frame has an overlarge rotation angle and interferes with other parts in a point switch is prevented.
The utility model discloses provide an electric goat simultaneously, include as above manual safety switch.
Compared with the prior art, electric goat is with manual safety switch, have following advantage:
(1) manual safety switch for electric goat, can drive manual lever rotation through special spanner (cooperate with the shape of manual lever operation end), realize the switching of disconnection, switch-on safety contact, guaranteed the reliability of manual safety contact.
(2) Manual safety switch for electric goat, this structure realizes under the prerequisite of not opening the cover, can break off, put through the function of safe contact.
(3) Electronic goat is with manual safety switch, guarantee when breaking off safe contact, remove minor axis baffle, when guaranteeing goat disconnection external control power promptly, guarantee can manual conversion switch, the reaction is rapid, and after accomplishing manual conversion switch, can realize closing of manual conversion switch function through rotating manual pole, open the external control power simultaneously, realize the electronic operation of goat.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:
fig. 1 is a front view of a manual safety switch for an electric switch according to an embodiment of the present invention (a bottom case is not shown);
fig. 2 is a top view of a manual safety switch for an electric switch according to an embodiment of the present invention (the safety contact cover 2 is not shown);
FIG. 3 is a partial view taken from the direction A of FIG. 1;
fig. 4 is a front view of a movement limiting plug frame according to an embodiment of the present invention;
fig. 5 is a top view of a motion limiting plug frame according to an embodiment of the present invention;
FIG. 6 is a cross-sectional view A-A of FIG. 4;
FIG. 7 is a top view of a manual lever according to an embodiment of the present invention;
fig. 8 is a top view of the linkage mechanism and the engagement of the manual lever with the bottom case according to the embodiment of the present invention;
fig. 9 is a top view of a first joint in an embodiment of the invention;
fig. 10 is a front view of a second joint in an embodiment of the invention;
fig. 11 is a front view of a fixing plate in an embodiment of the present invention;
fig. 12 is a top view of a fixing plate in an embodiment of the invention;
fig. 13 is a side view of a fixation plate in an embodiment of the invention;
description of reference numerals:
1. a manual lever; 2. a gear case; 3. a limiting movable plug rack; 4. a safety contact set; 5. a stationary plug frame; 6. a stationary plug group; 7. a fixing plate; 8. a first joint; 9. a pin; 10. a stud; 11. A second joint; 12. a cushion pipe; 13. a baffle plate; 14. a limit screw; 15. a locknut; 16. an insulating cover plate; 17. a bottom case; 18. square opening; 19. a static contact sheet; 20. a movable contact ring; 21. a transverse plate; 22. A vertical plate; 23. a counter bore; 24. a transverse fixing plate; 25. a connecting plate; 26. a vertical fixing plate; 27. a groove; 28. a safety contact cover.
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
As shown in fig. 1 to 13, a manual safety switch for an electric switch comprises a manual lever 1, a limiting movable plug frame 3, a static plug frame 5 and a link mechanism;
the static plug frame 5 is provided with a static plug group 6, and the static plug frame 5 is fixedly connected with a bottom shell 17;
the static plug frame 5 is fixed with a safety contact cover 28 through a screw; for protecting the contacts. And an insulating cover plate 16 is arranged outside the static plug frame 5.
The limiting movable plug frame 3 is provided with a safety contact group 4; the static contact sheet 19 of the static plug group 6 corresponds to the movable contact ring 20 of the safety contact group 4;
the limiting movable plug frame 3 is connected with the manual rod 1, the manual rod 1 penetrates through the bottom shell 17, and the manual rod 1 drives the limiting movable plug frame 3 to move in position, so that the connection and disconnection between the movable contact ring 20 and the static contact piece 19 are realized;
the limiting moving plug frame 3 is connected with a baffle 13 through a connecting rod mechanism.
The limiting movable plug frame 3 is provided with a square opening 18, the manual rod 1 penetrates through the bottom shell 17 and the square opening to realize connection with the limiting movable plug frame 3, and the external shape of the manual rod 1 corresponding to the square opening is kept consistent with that of the square opening; the hole on the bottom shell 17 for the manual lever 1 to pass through is a round hole, and the external shape of the manual lever 1 is a cylinder shape matched with the round hole at the position corresponding to the round hole.
At least two hemispherical counter bores 23 are formed in one side, corresponding to the bottom shell 17, of the limiting movable plug frame 3; the bottom shell 17 is provided with a bead screw corresponding to the position of the counter bore 23.
The limiting movable plug frame 3 comprises a transverse plate 21 and a vertical plate 22 which are connected with each other, and the transverse plate 21 is provided with a safety contact group 4; the polygonal opening and the counterbore 23 are both provided in the riser 22.
The connecting rod mechanism comprises a stud bolt 10 and a fixing plate 7; two ends of the stud 10 are respectively connected with the baffle 13 and the fixing plate 7; the fixed plate 7 is connected with the limiting movable plug frame 3.
One end of the stud 10 is connected with the fixing plate 7 through a first joint 8, and the other end of the stud is connected with the baffle 13 through a second joint 11.
The fixing plate 7 comprises a connecting plate 25, a transverse fixing plate 24 extends from the bottom end of the connecting plate 25 to one side of the limiting movable plug rack 3, and a vertical fixing plate 26 extends from the side end of the connecting plate 24 to one side of the stud 10; the transverse fixing plate 24 is connected with the transverse plate 21 of the movable limiting plug frame 3; the vertical fixing plate 26 is connected to the first joint 8.
One end of the first joint 8 is provided with a thread connected with the stud bolt 10, the other end of the first joint is provided with a groove 27, and the vertical fixing plate 26 is clamped in the groove 27 and fixed through a pin 9; one end of the second joint is provided with a thread connected with the stud bolt 10, and the other end of the second joint is fixed with the baffle 13 through a pin 9 or a thread.
A cushion pipe 12 is arranged between the baffle 13 and the gear box 2, the distance between the baffle 13 and the gear box 2 is adjusted, and meanwhile, the parallelism of the position relation between the stud 10 and the wall of the bottom shell can be ensured;
the manual rod 1 is also provided with a cushion tube 12, the cushion tube 12 is positioned between the movable limiting plug frame 3 and the locknut 15, and the locknut 15 and the cushion tube 12 fix the positions of the manual rod 1 and the movable limiting plug frame 3.
The two cushion tubes 12 can ensure that the position relation between the connecting rod mechanism and the bottom shell wall is horizontal, and the distance between the connecting rod mechanism and the bottom shell wall is adjusted, so that the safety switch component is ensured not to interfere with other parts in the machine.
The cushion tube 12 at the hand lever 1 can also play a role in limiting, namely limiting the axial rotation of the locknut 15.
The device further comprises a limit screw 14, and the limit screw 14 is arranged on the bottom shell 17.
Assembling and working processes: the static plug frame 5 is provided with a static plug group 6 through a screw, and the static plug frame 5 is fixedly connected with the bottom shell 17 through a screw; the limiting movable plug frame 3 is provided with a safety contact group 4 through a screw; the static contact sheet 19 of the static plug group 6 corresponds to the movable contact ring 20 of the safety contact group 4; the manual rod 1 passes through the bottom shell 17 and the square opening to realize the connection with the limiting movable plug frame 3, and the external shape of the manual rod 1 corresponding to the square opening is consistent with that of the square opening; the manual lever 1 is cylindrical at a position corresponding to the circular hole of the bottom case 17 and has an outer shape fitting the circular hole. Meanwhile, the position of the counter bore 23 on the limiting movable plug frame 3 is ensured to correspond to the position of the glass bead screw 2 arranged on the bottom shell 17.
One end of the stud 10 is connected with the first joint 8, and the other end of the stud passes through the second joint 11. The transverse fixing plate 24 of the fixing plate 7 is connected with the transverse plate 21 of the movable limiting plug frame 3; the vertical fixing plate 26 is clamped in the groove 27 and is fixed by the pin 9; the other end of the stud 10 is connected with a second joint 11, and the second joint 11 is fixed with a baffle 13 through a pin 9.
When the movable contact ring 20 and the static contact piece 19 are in a power-on state, the counter bore 23 on the limiting movable plug frame 3 corresponds to a glass bead screw on the bottom shell 17, and the baffle 13 is in a position for blocking the gear box 2; when the state needs to be changed, the manual rod 1 only needs to be rotated, the manual rod 1 rotates to drive the position of the position-limiting movable plug frame 3 to deviate to the position of the other counter bore 23 corresponding to the position of the glass bead screw, namely, the state is switched to the other state, a hand can feel obvious section feeling, whether the switching is in place can be judged accurately, when the position of the position-limiting movable plug frame 3 deviates, the baffle 13 is driven to deviate from the position of the gear box 2, and the switching from the electric working state to the manual working state can be realized. When the power-on state needs to be recovered, the working state can be switched by only rotating the manual lever 1.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A manual safety switch for an electric switch machine is characterized in that: comprises a manual lever (1), a limiting movable plug head frame (3), a static plug head frame (5) and a connecting rod mechanism;
the static plug frame (5) is provided with a static plug group (6), and the static plug frame (5) is fixedly connected with the bottom shell (17);
a safety contact group (4) is assembled on the limiting movable plug frame (3); the static contact sheet (19) of the static plug group (6) corresponds to the movable contact ring (20) of the safety contact group (4);
the limiting movable plug rack (3) is connected with the manual rod (1), the manual rod (1) penetrates through the bottom shell (17), and the manual rod (1) drives the limiting movable plug rack (3) to move in position, so that the movable contact ring (20) and the static contact piece (19) are connected and disconnected;
the limiting movable plug frame (3) is connected with the baffle (13) through a connecting rod mechanism.
2. The manual safety switch for an electric switch according to claim 1, wherein: the limiting movable plug frame (3) is provided with a polygonal opening, the manual rod (1) penetrates through the bottom shell (17) and the polygonal opening to be connected with the limiting movable plug frame (3), and the external shape of the manual rod (1) is consistent with that of the polygonal opening at the part corresponding to the position of the polygonal opening;
at least two hemispherical counter bores (23) are formed in one side, corresponding to the bottom shell (17), of the limiting movable plug frame (3); the bottom shell (17) is provided with a glass bead screw corresponding to the position of the counter bore (23).
3. The manual safety switch for an electric switch according to claim 2, wherein: the limiting movable plug rack (3) comprises a transverse plate (21) and a vertical plate (22) which are connected with each other, and the transverse plate (21) is provided with a safety contact group (4); the polygonal opening and the counter bore (23) are both arranged on the vertical plate (22).
4. The manual safety switch for an electric switch according to claim 1, wherein: the connecting rod mechanism comprises a stud (10) and a fixing plate (7); two ends of the stud (10) are respectively connected with the baffle (13) and the fixing plate (7); the fixed plate (7) is connected with the limiting movable plug frame (3).
5. The manual safety switch for an electric switch according to claim 4, wherein: one end of the double-end stud (10) is connected with the fixing plate (7) through the first joint (8), and the other end of the double-end stud is connected with the baffle (13) through the second joint (11).
6. The manual safety switch for an electric switch according to claim 4 or 5, wherein: the fixing plate (7) comprises a connecting plate (25), a transverse fixing plate (24) extends from the bottom end of the connecting plate (25) to one side of the limiting movable plug rack (3), and a vertical fixing plate (26) extends from the side end of the connecting plate (25) to one side of the stud (10); the transverse fixing plate (24) is connected with a transverse plate (21) of the limiting movable plug rack (3); the vertical fixing plate (26) is connected with the first joint (8).
7. The manual safety switch for an electric switch according to claim 6, wherein: one end of the first joint (8) is provided with a thread connected with the stud (10), the other end of the first joint is provided with a groove (27), and the vertical fixing plate (26) is clamped in the groove (27) and fixed through a pin (9) or the thread; one end of the second joint (11) is provided with a thread connected with the stud (10), and the other end of the second joint is fixed with the baffle (13) through a pin (9) or the thread.
8. The manual safety switch for an electric switch according to claim 1, wherein: a cushion pipe (12) is arranged between the baffle (13) and the gear box (2); the manual rod (1) is also provided with a cushion tube (12), the cushion tube (12) is positioned between the limiting movable plug rack (3) and the locknut (15), and the locknut (15) and the cushion tube (12) fix the positions of the manual rod (1) and the limiting movable plug rack (3).
9. The manual safety switch for an electric switch according to claim 1, wherein: the automatic packaging machine further comprises a limiting screw (14), wherein the limiting screw (14) is arranged on the bottom shell (17).
10. An electric switch machine, characterized in that it comprises a manual safety switch according to any one of claims 1 to 9.
CN202021182108.4U 2020-06-23 2020-06-23 Manual safety switch for electric switch machine and electric switch machine Active CN213025851U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021182108.4U CN213025851U (en) 2020-06-23 2020-06-23 Manual safety switch for electric switch machine and electric switch machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021182108.4U CN213025851U (en) 2020-06-23 2020-06-23 Manual safety switch for electric switch machine and electric switch machine

Publications (1)

Publication Number Publication Date
CN213025851U true CN213025851U (en) 2021-04-20

Family

ID=75496840

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021182108.4U Active CN213025851U (en) 2020-06-23 2020-06-23 Manual safety switch for electric switch machine and electric switch machine

Country Status (1)

Country Link
CN (1) CN213025851U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022262058A1 (en) * 2021-06-18 2022-12-22 天津铁路信号有限责任公司 Motor gearbox capable of implementing two-way hand-cranking operation for electric switch machine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022262058A1 (en) * 2021-06-18 2022-12-22 天津铁路信号有限责任公司 Motor gearbox capable of implementing two-way hand-cranking operation for electric switch machine

Similar Documents

Publication Publication Date Title
CN107045958B (en) A kind of operating mechanism of rotary switch
CN213025851U (en) Manual safety switch for electric switch machine and electric switch machine
CN108831792B (en) Electric switch and operating mechanism thereof
CN205609423U (en) Unipolar operation three -station isolation switch operating device
CN102881486A (en) Interlocking mechanism of medium pressure switchgear
CN111668035A (en) Manual safety switch for electric switch machine
KR101075539B1 (en) 3-position disconnector
CN101484960A (en) Ground disconnector
CN113232693A (en) Motor gear box capable of realizing bidirectional hand-operated operation of electric switch machine
CN210223830U (en) Interlocking device of circuit breaker
CN209981011U (en) Knife switch
CN202905516U (en) Medium voltage switch cabinet interlocking mechanism
CN215870489U (en) Handcart circuit breaker and switching device
CN217983237U (en) Electric operating mechanism of low-voltage circuit breaker
CN220381943U (en) Double-confirmation position signal conversion structure
CN110137054A (en) To the overload fusing of circuit and the method for controlling opening and closing of quick-make
CN219267533U (en) Operating mechanism of isolating switch
CN220796513U (en) Dual-power change-over switch operation structure
CN114613641B (en) Spring operating mechanism and circuit breaker
CN215008043U (en) Contact system of isolating switch
CN217035496U (en) Double-open electric tool switch
CN220306153U (en) Bipolar linkage isolating switch
CN215496526U (en) Manual isolation load switch mechanism
CN217386973U (en) Rotary three-position switch and gas insulated switchgear with same
CN102592863B (en) Turn-off circular lock control device and method for circuit breaker

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant