CN210149345U - Safety contact manual switch device applied to electric switch machine - Google Patents
Safety contact manual switch device applied to electric switch machine Download PDFInfo
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- CN210149345U CN210149345U CN201921151186.5U CN201921151186U CN210149345U CN 210149345 U CN210149345 U CN 210149345U CN 201921151186 U CN201921151186 U CN 201921151186U CN 210149345 U CN210149345 U CN 210149345U
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Abstract
The utility model belongs to the technical field of safe contact auxiliary devices of switch machines, in particular to a safe contact manual switch device applied to an electric switch machine; the device comprises a connecting rod, a manual rod, a movable contact group, a fixed contact group and a limiting component, wherein the limiting component comprises a fixed part and a rotating part; the fixing piece comprises an outer limiting part and a connecting part, and the limiting component is detachably and fixedly connected to the inner wall of the side wall of the switch machine bottom shell through the connecting part; the manual lever is rotatably connected in an outer limiting part in the fixed part through a rotating part, and the movable contact point group is connected to the manual lever through a movable plug connecting frame; the static contact group is connected to the limiting component through a static plug connecting frame; one end of the connecting rod is indirectly and rotatably connected to the movable plug connecting frame, and the other end of the connecting rod is rotatably connected to a connecting plate; the utility model discloses can overcome the inconvenient, the poor problem of safety stability of operation that current safe contact manual switch device exists.
Description
Technical Field
The utility model belongs to the technical field of goat safety contact auxiliary device, especially, relate to a be applied to electronic goat's manual switching device of safety contact.
Background
The point switch is an important signal basic device for railway operation, and has the main functions of switching the position of a turnout, changing the opening direction of the turnout, reflecting the position of the turnout and ensuring the running safety of the railway. The safety contact switch is an important part when a point switch is maintained or a turnout needs to be manually adjusted, when the point switch is manually operated, a power supply can be disconnected for the whole switch, when the point switch normally operates, the anti-falling function is achieved, after the safety switch is closed, the outer part of the safety contact is externally locked in a locking mode, the safety contact is reliably disconnected before manual operation, and the safety contact cannot be connected after non-manual recovery, so that the safety of maintenance personnel is guaranteed.
When the prior switch machine safety contact manual switch is operated, on one hand, a machine cover needs to be opened; on one hand, in order to prevent the safety contact from being disconnected in the running process of the train, the outer part of the safety contact is externally locked in a locking mode, and the outer lock is often easily corroded or fails due to the field environment, so that the safety contact cannot be normally opened. This causes the difficulty when needing the manual switch to open safe contact for on-the-spot daily maintenance goat process, for satisfying customer's demand, improves the high efficiency and the security that the goat used the maintenance process, and the urgent need now is a novel goat safe contact switching device and replaces original safe contact device.
Disclosure of Invention
In view of this, the present invention is directed to a safety contact manual switch device for an electric switch machine, so as to overcome the problems of inconvenient operation and poor safety stability of the conventional safety contact manual switch device.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
a kind of hand-operated switch gear of safe contact applied to electronic goat, including tie rod, manual lever, moving contact group and stationary contact group, also include a stop member, the stop member includes stationary part and rotating part; the fixing piece comprises an outer limiting part and a connecting part, and the limiting component is detachably and fixedly connected to the inner wall of the side wall of the switch machine bottom shell through the connecting part; the manual rod is rotatably connected in the outer limiting part in the fixed part through the rotating part, and can realize clamping and fixing after rotating a certain specific angle;
the movable contact group is connected to the manual lever through a movable plug connecting frame; the static contact group is connected to the limiting component through a static plug connecting frame; one end of the connecting rod is indirectly and rotatably connected to the movable plug connecting frame, the other end of the connecting rod is rotatably connected to a connecting plate, and the connecting plate can swing under the driving of the connecting rod.
Furthermore, a circular central hole is formed in the outer limiting part, the rotating part comprises an inner limiting part, the inner limiting part is of an annular structure, the inner limiting part is sleeved in the central hole of the outer limiting part and is in clearance fit with the outer limiting part, and meanwhile, a clamping structure is arranged between the outer limiting part and the inner limiting part; the manual rod and the inner limiting part are detachably and fixedly connected together.
Further, a bearing bush is installed between the outer ring surface of the inner limit portion and the inner wall of the central hole of the outer limit portion.
Furthermore, the clamping structure between the outer limiting part and the inner limiting part is a bead screw, meanwhile, a plurality of bead screw mounting holes are formed in the outer limiting part and communicated with the central hole, a bead screw is embedded in each bead screw mounting hole, and in cooperation with the bead screw, a plurality of limiting grooves corresponding to the bead screw mounting holes in position and quantity are formed in the outer annular surface of the inner limiting part.
Furthermore, the rotating part also comprises a one-way rotation preventing part which is a block-shaped structure formed by extending one side of the inner limiting part, and the outer edge of the one-way rotation preventing part is higher than the outer ring surface of the inner limiting part.
Furthermore, a pulling end is arranged in the hand lever and is positioned outside the bottom shell of the switch machine, a wrench matching groove is arranged in the pulling end, and the wrench matching groove is a special-shaped groove with an outer circle and an inner square.
Further, the connecting rod comprises a stud bolt and two connecting columns screwed at two ends of the stud bolt.
Furthermore, a connecting screw is also arranged on the connecting plate in a penetrating manner, the connecting screw is fixedly screwed on the motor reducer, and the connecting screw is in clearance fit with the connecting plate.
Further, be equipped with a shaft hole in the interior spacing, including one section installation department in the manual lever, installation department and the shaft hole interference fit of interior spacing.
Compared with the prior art, the utility model discloses following advantage has:
(1) be applied to manual switching device of safe contact of electric goat, the manual switching device of the current goat safe contact of fungible has avoided the mode of opening the complete machine cover when the on-the-spot maintenance process need be opened or break off safe contact, has greatly improved the convenience and the security of equipment maintenance, has that the structure is firm, advantages such as the exquisite ingenious, the convenient operation of outward appearance.
(2) The utility model discloses owing to be equipped with stop component, avoided safe contact manual switch's external lock mode, the profitability is higher with the practicality, has advantages such as maintenance volume is low, simple structure, regulation level and smooth.
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 schematic perspective view of the present invention;
FIG. 2 is a greatly enlarged view of portion A of FIG. 1;
fig. 3 is a schematic view of the left side structure of the present invention in fig. 2;
FIG. 4 is a schematic structural view of the fixing member;
FIG. 5 is a top view of FIG. 4;
FIG. 6 is a schematic view of the rotating member;
FIG. 7 is a top view of FIG. 6;
fig. 8 is a schematic structural view of the manual lever.
Description of reference numerals:
1-a stop member; 11-a fixing member; 111-an external restraint portion; 1111-central hole; 1112-wave ball screw mounting holes; 112-a connecting portion; 12-a rotor; 121-an inner limiting part; 1211-limit groove; 1212-shaft hole; 122-one-way rotation prevention part; 2-manual lever; 21-a mounting portion; 22-pulling end; 221-wrench mating grooves; 3-a movable contact group; 31-movable plug connecting frame; 4-stationary contact group; 41-static plug connecting frame; 5-a connecting rod; 51-stud bolts; 52-connecting column; 6-connecting the plates; 7-a connection screw; 8-fixing the plate.
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. 1-8, a manual switch device for safety contacts of an electric switch machine comprises a connecting rod 5, a limiting member 1 and a manual rod 2 cooperatively connected with the limiting member 1, wherein the manual rod 2 is rotatably connected in the limiting member 1, the manual rod 2 can realize clamping and fixing after rotating a certain specific angle through the limiting member 1, and a movable contact group 3 is connected to the manual rod 2 through a movable plug connecting frame 31; the static contact group 4 is connected with the fixed part of the limiting component 1 through a static plug connecting frame 41; one end of the connecting rod 5 is hinged to a fixed plate 8, the fixed plate 8 is fixedly connected to the movable plug connecting frame 31, the other end of the connecting rod 5 is connected with a connecting plate 6, the connecting plate 6 is movably connected to the motor reducer of the switch machine, and the connecting plate 6 swings under the driving of the connecting rod 5.
The movable contact group 3 and the static contact group 4 are existing electric elements in an existing ZD (J)9 model electric switch machine, the device aims to realize the disconnection and the closure of the movable contact group 3 and the static contact group 4 by rotating the manual rod 2, meanwhile, the manual rod 2 drives the connecting rod 5 to move, the connecting rod 5 further drives the connecting plate 6 to swing, and the connecting plate 6 avoids or shields a gear shaft of a motor reducer to realize the connection or the disconnection with the motor reducer.
Preferably, the connecting rod 5 comprises a stud 51 and two connecting posts 52 screwed to both ends of the stud 51, and the connecting posts 52 at both ends are respectively hinged to the fixing plate 8 and the connecting plate 6. Therefore, the inserting depth of the stud bolt 51 in the connecting column 52 is changed by rotating the stud bolt 51, the overall length of the connecting rod 5 can be changed, the distance between the connecting plate 6 and the fixing plate 8 is adjusted, and the fixing plate 8 and the connecting plate 6 are stably connected.
Specifically, a connecting column 52 close to one side of the connecting plate is hinged to the vicinity of the lower end of the connecting plate 6 through a pin, meanwhile, a connecting screw 7 penetrates through the connecting plate 6, the connecting screw 7 is fixedly screwed on a motor reducer, and the connecting screw 7 is in clearance fit with the connecting plate 6 to ensure that the connecting plate 6 can rotate around the connecting screw 7, so that the connecting plate 6 can swing around the connecting screw 7 under the driving of the connecting rod 5.
The stop member 1 comprises a fixed part 11 and a rotating part 12; the mounting 11 is divided into two parts, be outer spacing portion 111 and connecting portion 112 respectively, is equipped with the screw hole in the connecting portion 112, and stop member 1 can dismantle fixed connection on the switch machine chassis lateral wall inner wall through connecting portion 112, and during the installation, the screw hole in the connecting portion 112 and switch machine chassis lateral wall screw hole are relative, adopt fastening screw to connect both to scribble the sealed glue for the fastener on the fastening screw, guarantee connecting portion 112 and casing seamless connection.
Preferably, a bearing bush is additionally arranged between the outer ring surface of the inner limiting part 121 and the inner wall of the central hole 1111 of the outer limiting part 111, so that the friction resistance during rotation is reduced, and the abrasion is reduced.
In this embodiment, the implementation manner of the limiting between the outer limiting part 111 and the inner limiting part 121 is as follows: a plurality of wave ball screw mounting holes 1112 are arranged in the outer limiting part 111, the wave ball screw mounting holes 1112 are communicated with the central hole 1111, a wave ball screw is nested and mounted in each wave ball screw mounting hole 1112, during mounting, the steel ball end of the wave ball screw faces the central hole 1111, and the steel ball is higher than the hole wall of the central hole 1111; in cooperation with this, a plurality of position-limiting grooves 1211 corresponding to the positions and numbers of the bead screw mounting holes 1112 are formed on the outer circumferential surface of the inner limiting portion 121, and when the outer limiting portion 111 and the inner limiting portion 121 are relatively rotated until the bead screw mounting holes 1112 are aligned with the position-limiting grooves 1211, the steel balls of the bead screws are caught in the position-limiting grooves 1211, thereby preventing the inner limiting portion 121 from continuously rotating and performing a temporary position-limiting function.
As an alternative embodiment of the present invention, the number of the ball screw mounting holes 1112 and the limiting grooves 1211 and the included angle between two of them in the limiting member 1 can be set according to the requirement, so as to ensure the optimal matching.
In addition, the rotating member 12 further includes a one-way rotation preventing portion 122, the one-way rotation preventing portion 122 is a block structure formed by extending one side of the inner limiting portion 121, and an outer edge of the one-way rotation preventing portion 122 is higher than an outer ring surface of the inner limiting portion 121, when the inner limiting portion 121 is sleeved in the central hole 1111 of the outer limiting portion 111 and rotates clockwise to a limit position (at this time, the movable contact group 3 and the stationary contact group 4 are closed), the connecting portion 112 can block the one-way rotation preventing portion 122 to prevent the one-way rotation preventing portion from rotating clockwise continuously, and prevent the movable contact group 3 and the stationary contact group 4 from being damaged by continuous rotation.
In order to avoid misoperation, the manual lever 2 is further provided with a pulling end 22, the pulling end 22 is provided with a wrench matching groove 221, and the manual lever 2 can be rotated only by matching a special-shaped manual switch wrench with the pulling end, so that misoperation is prevented. In this embodiment, the wrench engaging groove 221 is a special-shaped groove with an outer circle and an inner side, and the operation end of the manual switch wrench is engaged with the special-shaped groove and can be inserted into the special-shaped groove.
Use when the device carries out the operation of disconnection or closed safe contact, insert the manual switch spanner in spanner cooperation groove 221, according to the rotatory manual pole 2 of appointed direction of switch sign instruction on the goat, manual pole 2 further drives movable contact group 3 and removes, and quiet contact group 4 is fixed motionless. When the switch machine rotates anticlockwise to a designated position, the outer limiting portion 111 and the inner limiting portion 121 rotate relatively until the wave ball screw mounting hole 1112 is aligned with the limiting groove 1211, the steel ball of the wave ball screw is clamped in the limiting groove 1211 to prevent the manual rod 2 from continuing to rotate, so that the temporary limiting effect is achieved, at the moment, the movable contact group 3 and the static contact group 4 are disconnected, meanwhile, the manual rod 2 drives the connecting rod 5 to move, the connecting plate 6 is further driven by the connecting rod 5 to swing clockwise, the gear shaft of the motor reducer is avoided, and the switch machine is disconnected from the motor reducer. Similarly, when the manual lever 2 is rotated clockwise, the movable contact group 3 and the fixed contact group 4 are closed, the manual lever 2 is temporarily limited by the limiting component 1, and meanwhile, the connecting rod 5 drives the connecting plate 6 to swing anticlockwise to shield a gear shaft of the motor reducer, and the switch machine is connected with the motor reducer.
Be applied to manual switching device of safe contact of electric goat, the manual switching device of the current goat safe contact of fungible has avoided the mode of opening the complete machine cover when the on-the-spot maintenance process need be opened or break off safe contact, has greatly improved the convenience and the security of equipment maintenance, has that the structure is firm, advantages such as the exquisite ingenious, the convenient operation of outward appearance.
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 (9)
1. The utility model provides a be applied to electric goat's safe contact manual switch device, includes connecting rod (5), manual pole (2), movable contact group (3) and quiet contact group (4), its characterized in that: the limiting structure comprises a limiting component (1), wherein the limiting component (1) comprises a fixed part (11) and a rotating part (12); the fixing piece (11) comprises an outer limiting part (111) and a connecting part (112), and the limiting component (1) is detachably and fixedly connected to the inner wall of the side wall of the switch machine casing through the connecting part (112); the manual lever (2) is rotatably connected in an outer limiting part (111) in the fixed part (11) through a rotating part (12), and the manual lever (2) can realize clamping and fixing after rotating for a certain specific angle;
the movable contact group (3) is connected to the manual lever (2) through a movable plug connecting frame (31); the static contact group (4) is connected to the limiting component (1) through a static plug connecting frame (41); one end of the connecting rod (5) is indirectly and rotatably connected to the movable plug connecting frame (31), the other end of the connecting rod (5) is rotatably connected to a connecting plate (6), and the connecting plate (6) can swing under the driving of the connecting rod (5).
2. A safety contact manual switch device for electric switch machines as claimed in claim 1, characterized in that: a circular central hole (1111) is formed in the outer limiting part (111), the rotating part (12) comprises an inner limiting part (121), the inner limiting part (121) is of an annular structure, the inner limiting part (121) is sleeved in the central hole (1111) of the outer limiting part (111), the inner limiting part and the outer limiting part are in clearance fit, and a clamping structure is arranged between the outer limiting part (111) and the inner limiting part (121); the manual lever (2) and the inner limiting part (121) are detachably and fixedly connected together.
3. A safety contact manual switch device for electric switch machines as claimed in claim 2, characterized in that: a bearing bush is arranged between the outer ring surface of the inner limiting part (121) and the inner wall of the central hole (1111) of the outer limiting part (111).
4. A safety contact manual switch device for electric switch machines as claimed in claim 2, characterized in that: the clamping structure between the outer limiting part (111) and the inner limiting part (121) is a wave bead screw, meanwhile, a plurality of wave bead screw mounting holes (1112) are formed in the outer limiting part (111), the wave bead screw mounting holes (1112) are communicated with the central hole (1111), a wave bead screw is embedded in each wave bead screw mounting hole (1112), and in cooperation with the wave bead screws, a plurality of limiting grooves (1211) corresponding to the positions and the number of the wave bead screw mounting holes (1112) are formed in the outer annular surface of the inner limiting part (121).
5. A safety contact manual switch device for electric switch machines as claimed in claim 4, characterized in that: the rotating piece (12) further comprises a one-way rotation preventing part (122), the one-way rotation preventing part (122) is a block-shaped structure formed by extending one side of the inner limiting part (121), and the outer edge of the one-way rotation preventing part (122) is higher than the outer annular surface of the inner limiting part (121).
6. A safety contact manual switch device for electric switch machines as claimed in claim 1, characterized in that: the hand lever (2) is also provided with a pulling end (22), the pulling end (22) is positioned outside the chassis of the switch machine, the pulling end (22) is provided with a wrench matching groove (221), and the wrench matching groove (221) is a special-shaped groove with an outer circle and an inner square.
7. A safety contact manual switch device for electric switch machines as claimed in claim 1, characterized in that: the connecting rod (5) comprises a stud bolt (51) and two connecting columns (52) screwed at two ends of the stud bolt (51).
8. The manual safety contact switching device for electric switch machines as claimed in claim 7, wherein: a connecting screw (7) penetrates through the connecting plate (6), the connecting screw (7) is fixedly screwed on the motor reducer, and the connecting screw (7) is in clearance fit with the connecting plate (6).
9. A safety contact manual switch device for electric switch machines as claimed in claim 2, characterized in that: be equipped with one shaft hole (1212) in spacing portion (121) in, including one section installation department (21) in manual pole (2), installation department (21) and shaft hole (1212) interference fit of spacing portion (121) in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921151186.5U CN210149345U (en) | 2019-07-22 | 2019-07-22 | Safety contact manual switch device applied to electric switch machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921151186.5U CN210149345U (en) | 2019-07-22 | 2019-07-22 | Safety contact manual switch device applied to electric switch machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210149345U true CN210149345U (en) | 2020-03-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921151186.5U Active CN210149345U (en) | 2019-07-22 | 2019-07-22 | Safety contact manual switch device applied to electric switch machine |
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| CN (1) | CN210149345U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021258487A1 (en) * | 2020-06-23 | 2021-12-30 | 天津铁路信号有限责任公司 | Manual safety switch for electric railroad switch |
| WO2023272810A1 (en) * | 2021-06-28 | 2023-01-05 | 天津铁路信号有限责任公司 | Smart management device for hand-crank tool of switch machine |
-
2019
- 2019-07-22 CN CN201921151186.5U patent/CN210149345U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021258487A1 (en) * | 2020-06-23 | 2021-12-30 | 天津铁路信号有限责任公司 | Manual safety switch for electric railroad switch |
| WO2023272810A1 (en) * | 2021-06-28 | 2023-01-05 | 天津铁路信号有限责任公司 | Smart management device for hand-crank tool of switch machine |
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