CN202879524U - Locking mechanism for switch machine - Google Patents
Locking mechanism for switch machine Download PDFInfo
- Publication number
- CN202879524U CN202879524U CN 201220610663 CN201220610663U CN202879524U CN 202879524 U CN202879524 U CN 202879524U CN 201220610663 CN201220610663 CN 201220610663 CN 201220610663 U CN201220610663 U CN 201220610663U CN 202879524 U CN202879524 U CN 202879524U
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- CN
- China
- Prior art keywords
- locking
- lock dog
- push pedal
- switch
- iron
- 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.)
- Expired - Lifetime
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 32
- 229910052742 iron Inorganic materials 0.000 claims abstract description 15
- 238000000034 method Methods 0.000 claims description 17
- 238000006243 chemical reaction Methods 0.000 claims description 8
- 230000002787 reinforcement Effects 0.000 claims description 6
- 241000282472 Canis lupus familiaris Species 0.000 description 40
- 238000010586 diagram Methods 0.000 description 5
- 230000002349 favourable effect Effects 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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Abstract
The utility model provides a locking mechanism for a switch machine. The locking mechanism comprises an actuating rod, a locking iron, a pushing plate and a locking piece; the locking iron is fixed on a housing; two straight surfaces are formed at the lower part of the locking piece; two inclined surfaces are formed at the upper part of the locking piece; the pushing plate is provided with two straight surfaces; two inclined surfaces are formed on the locking iron; when the locking piece is placed in two terminal positions, namely, a left side locking position and a right side locking position, a switch can be locked; if the locking piece is in the left side locking position, the inclined surfaces of the locking piece are in contact with the inclined surfaces of the locking iron, and the plane of the locking piece is contacted with the plane of the pushing plate, so that the rotating and the translation of the locking piece are limited; the condition in the right side locking position is contrary to the condition in the left side locking position; and when the locking piece and the actuating rod are pushed to switch rightwards by the pushing plate, the straight surfaces of the pushing plate are in contact with the straight surfaces of the locking piece. According to the locking mechanism for the switch machine, the force generated in switching is completely the horizontal force, and no inclined component force is generated, so that the smoothness in switching is ensured; and when in locking, little locking force is increased, so that the accuracy and the reliability in indication under the switch point closure can be ensured. The locking mechanism for the switch machine is simple in structure, safe and reliable.
Description
Technical field
The utility model relates to a kind of locking mechanism that is mainly used in the railway switch conversion equipment switch machine.
Background technology
Switch machine is core and the main body of railway switch converting system, is used for traction track switch and finishes conversion and locking process.Locking mechanism is the critical component in the switch machine, the effect of locking mechanism be when track switch driven by switch pole be converted to certain position after, in switch machine inside with the throw rod locking, thereby the realization switch machine is to the locking of track switch.
Its locking mechanism of the switch machine of present domestic use generally has two lock dogs, this structure is locked in the process that locking finishes at switch machine can produce certain locking reinforcement, can affect the reliability that switch closure represents, in addition, the locking face of lock dog is the inclined-plane, thus, can produce oblique component in switch machine conversion and locking process, so that strained condition is bad in the switch machine switching process, move steady not.
The utility model content
The utility model technical issues that need to address are: a kind of switch machine locking mechanism is provided, and this locking mechanism is simple in structure, and without oblique component, stable during motion, the locking reinforcement is less, represents accurately and reliably in the time of can guaranteeing switch closure.
Technical solution of the present utility model is: a kind of switch machine locking mechanism, comprise throw rod, locking iron, push pedal, lock dog, described locking ferropexy is characterized in that on casing: described lock dog bottom have two face directly, two inclined-planes are arranged at this lock dog top; Described push pedal has two to face directly; Described locking iron has two inclined-planes; Described lock dog all can carry out locking to track switch in locking position, left side and during two terminal locations in locking position, right side, when locking position, left side, the inclined-plane of lock dog contacts with the inclined-plane of locking iron, and lock dog plane and push pedal plane contact have limited rotation and the translation of lock dog; Situation during locking position, right side is opposite during with locking position, left side;
When described push pedal promotion lock dog and throw rod were changed to the right, facing directly with facing directly of lock dog of push pedal contacted; Otherwise, when changing left, facing directly of push pedal and facing directly and contacting of lock dog because contact surface is for facing directly, the power that push pedal promotes lock dog and throw rod in the switching process is entirely horizontal force, without oblique component, change steady.
It also comprises bearing pin, and described lock dog rotates around bearing pin, and to be locked to the locking reinforcement that produces in the process that locking finishes very little entering for lock dog.
The utility model compared with prior art has following advantage: it is mainly used in the railway switch conversion equipment switch machine, it mainly comprises throw rod, locking iron, push pedal, lock dog and bearing pin, a lock dog all can carry out locking to track switch at two terminal locked positions, and the power that this locking mechanism produces in switching process is entirely horizontal force.When carrying out locking, push pedal promotes lock dog and rotates around bearing pin, finishes locking.When release, push pedal is moved to reversing sense, promotes lock dog and turns to the normal conversion position around bearing pin, realizes release.This locking mechanism in the switch machine switching process without oblique component, conversion steadily.The locking reinforcement that locking mechanism produces in being locked to the process that locking finishes is very little, and is favourable to the closely connected inspection of track switch, the accurate reliability that represents in the time of can guaranteeing switch closure.This apparatus structure is simple, and locking is reliable.
Description of drawings
Fig. 1 is described locking mechanism overall schematic;
Fig. 2 is locking position, described locking mechanism left side schematic diagram;
Fig. 3 is that described locking mechanism begins the release schematic diagram;
Fig. 4 is schematic diagram after the described locking mechanism release;
Fig. 5 is described locking mechanism switching process schematic diagram;
Fig. 6 is that described locking mechanism is converted to locking position, right side schematic diagram.
The specific embodiment
Describe embodiment of the present utility model in detail below in conjunction with accompanying drawing.
Figure 2 shows that the situation of switch machine locking mechanism described in the utility model when the locking of left side.Lock dog inclined-plane 4-3 contacts with the inclined-plane 2-1 of locking iron, and lock dog plane 4-5 contacts with push pedal plane 3-3, has limited rotation and the translation of lock dog 4, and throw rod 1 can't move, and is in locking states.
Fig. 3 to Figure 6 shows that switch machine locking mechanism described in the utility model from locking position, left side through release, conversion, arrive again the situation of locking position, right side.
From locking position, left side, push pedal 3 moves right, when push pedal 3 face the facing 4-2 directly and begin to contact of 3-2 and lock dog 4 directly the time, locking mechanism begins release, as shown in Figure 3, lock dog 4 under the promotion of push pedal 3 around bearing pin 5 left-hand revolutions.When lock dog 4 left-hand revolutions during to level, the inclined-plane 4-3 of lock dog 4 breaks away from the locking face 2-1 of locking iron 2, and locking mechanism is finished release, as shown in Figure 4.
When push pedal 3 face the facing 4-2 directly and contact fully of 3-2 and lock dog 4 directly after, locking mechanism enters switching process, push pedal 3 continues to move right, push pedal 3 promotes lock dogs 4 and then drives throw rod 1 to move right, as shown in Figure 5, until when moving to locking position, right side, lock dog 4 begins around bearing pin 5 left-hand revolutions, when lock dog 4 left-hand revolutions to the inclined-plane 4-4 of lock dog 4 with after the locking face 2-2 of locking iron 2 contacts fully, locking mechanism is finished locking, as shown in Figure 6.
The situation from locking position, right side to locking position, left side of described locking mechanism is opposite with said process.
When push pedal 3 promotion lock dogs 4 and throw rod 1 were changed to the right, the 3-2 that faces directly of push pedal 3 contacted with the 4-2 that faces directly of lock dog 4; Otherwise, when changing left, push pedal 3 face facing 4-1 directly and contacting of 3-1 and lock dog 4 directly because contact surface is for facing directly, the power that push pedal 3 promotes lock dogs 4 and throw rod 1 in the switching process is entirely horizontal force, without oblique component, change steady.
Described locking mechanism only has a lock dog 4, lock dog 4 all can carry out locking to track switch at two terminal locations in locking position, left side and locking position, right side, lock dog 4 is connected on the throw rod 1 by bearing pin 5, lock dog 4 is locked in the process that locking finishes entering, lock dog 4 is around bearing pin 5 rotations, the locking reinforcement that produces in the process is very little, and is favourable to strained condition and the closely connected inspection of track switch, the accurate reliability that represents in the time of can guaranteeing switch closure.
Claims (2)
1. switch machine locking mechanism, comprise throw rod (1), locking iron (2), push pedal (3), lock dog (4), described locking iron (2) is fixed on the casing, it is characterized in that: described lock dog (4) bottom have two face directly (4-1) and (4-2), two inclined-planes (4-3) and (4-4) are arranged at this lock dog (4) top; Described push pedal (3) has two to face (3-1) and (3-2) directly; Described locking iron (2) has two inclined-planes (2-1) to reach (2-2); Described lock dog (4) all can carry out locking to track switch in locking position, left side and during two terminal locations in locking position, right side, when locking position, left side, the inclined-plane (4-3) of lock dog (4) contacts with the inclined-plane (2-1) of locking iron (2), lock dog plane (4-5) contacts with push pedal plane (3-3), has limited rotation and the translation of lock dog (4); Situation during locking position, right side is opposite during with locking position, left side;
Described push pedal (3) promotion lock dog (4) and throw rod (1) are when changing to the right, and face directly (3-2) of push pedal (3) contacts with face directly (4-2) of lock dog (4); Otherwise, when changing left, the facing directly of push pedal (3) (3-1) faced (4-1) directly and contacted with lock dog (4), because contact surface is for facing directly, the power that push pedal in the switching process (3) promotes lock dog (4) and throw rod (1) is entirely horizontal force, without oblique component, conversion steadily.
2. a kind of switch machine locking mechanism according to claim 1, it is characterized in that: it also comprises bearing pin (5), described lock dog (4) is around bearing pin (5) rotation, and to be locked to the locking reinforcement that produces in the process that locking finishes very little entering for lock dog (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220610663 CN202879524U (en) | 2012-11-16 | 2012-11-16 | Locking mechanism for switch machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220610663 CN202879524U (en) | 2012-11-16 | 2012-11-16 | Locking mechanism for switch machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202879524U true CN202879524U (en) | 2013-04-17 |
Family
ID=48070981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220610663 Expired - Lifetime CN202879524U (en) | 2012-11-16 | 2012-11-16 | Locking mechanism for switch machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202879524U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108263437A (en) * | 2016-12-30 | 2018-07-10 | 比亚迪股份有限公司 | Track switch locking device and with its Rail Transit System |
| WO2020140467A1 (en) * | 2019-01-03 | 2020-07-09 | 北京全路通信信号研究设计院集团有限公司 | Locking mechanism for point machine |
| CN115263881A (en) * | 2021-12-30 | 2022-11-01 | 苏州劲山电动工具有限公司 | Telescopic mechanism capable of transmitting force |
-
2012
- 2012-11-16 CN CN 201220610663 patent/CN202879524U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108263437A (en) * | 2016-12-30 | 2018-07-10 | 比亚迪股份有限公司 | Track switch locking device and with its Rail Transit System |
| WO2020140467A1 (en) * | 2019-01-03 | 2020-07-09 | 北京全路通信信号研究设计院集团有限公司 | Locking mechanism for point machine |
| CN115263881A (en) * | 2021-12-30 | 2022-11-01 | 苏州劲山电动工具有限公司 | Telescopic mechanism capable of transmitting force |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170222 Address after: 100073 Beijing, Fengtai District, South Fourth Ring Road West, No. 1, building 12, (Park) Patentee after: CRSC RESEARCH & DESIGN INSTITUTE GROUP Co.,Ltd. Address before: 100166 Beijing West Fourth Ring Road, Fengtai District, No. 49 Patentee before: BEIJING ZHONGTIETONG TECHNOLOGY DEVELOPMENT CENTER OF SIGNAL & COMMUNICATION CO.,LTD. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20130417 |
|
| CX01 | Expiry of patent term |