阅读说明：本技术 列车速度调整装置 (Train speed regulating device ) 是由 张国庆 张立国 刘海波 吉莉 焦京海 于 2019-08-09 设计创作，主要内容包括：本发明提供了一种列车速度调整装置,包括操作部,操作部具有初始位置、第一工作位置和第二工作位置；列车的总风管通过第一连通空间与列车管连通,通过第一控制组件控制第一连通空间内的气流流通面积；第二连通空间的至少部分与第一连通空间连通；列车管通过第二连通空间与大气连通,通过第二控制组件控制第二连通空间内的气流流通面积；操作部与第一控制组件和第二控制组件均连接,操作部由初始位置逐渐移动至第一工作位置的过程中,总风管向列车管内排放的气流的流量逐渐增大；在操作部由初始位置逐渐移动至第二工作位置的过程中,列车管向大气连通管内排放的气流的流量逐渐增大,以解决现有技术中的列车安全性能低的问题。(The present invention provides a kind of train speed regulating device, including operation portion, operation portion has initial position, the first operating position and the second operating position；The blast main of train is connected to by the first connected space with train pipe, controls the airflow area in the first connected space by the first control assembly；Second connected space is at least partly connected to the first connected space；Train pipe is communicated with the atmosphere by the second connected space, controls the airflow area in the second connected space by the second control assembly；Operation portion is all connected with the first control assembly and the second control assembly, and during operation portion is gradually moved to the first operating position by initial position, the flow for the air-flow that blast main is discharged into train pipe is gradually increased；During operation portion is gradually moved to the second operating position by initial position, the flow for the air-flow that train pipe is discharged into atmospheric communicating pipe is gradually increased, to solve the problems, such as that train security performance in the prior art is low.)

1. a kind of train speed regulating device characterized by comprising

Operation portion (10), the operation portion (10) has initial position, the first operating position and the second operating position, described initial Position is arranged between first operating position and second operating position；

First connected space (20), the blast main of train are connected to by first connected space (20) with train pipe, and described the The first control assembly (21) are provided in one connected space (20), to pass through first control assembly (21) control described first Airflow area in connected space (20), to control the circulation of the air-flow between the blast main and the train pipe；

Second connected space (30), second connected space (30) at least partly connect with first connected space (20) It is logical；The train pipe is communicated with the atmosphere by second connected space (30), has the in second connected space (30) Two control assemblies (31), to control the airflow in second connected space (30) by second control assembly (31) Area, to control the circulation of the air-flow between the train pipe and the atmospheric communicating pipe；

Wherein, the operation portion (10) is all connected with first control assembly (21) and second control assembly (31), In During the operation portion (10) is gradually moved to the first operating position by initial position, the blast main is to the train pipe The flow of the air-flow of interior discharge is gradually increased, to increase the release of brake speed of train；In the operation portion (10) by described first During beginning position is gradually moved to second operating position, gas that the train pipe is discharged into the atmospheric communicating pipe The flow of stream is gradually increased, so that the brake force of the checking cylinder of train is gradually increased, to increase the retro-speed of train.

2. train speed regulating device according to claim 1, which is characterized in that first connected space (20) has First communicating passage (210) and the second communicating passage (211), first communicating passage (210) are connected to the blast main, institute It states the second communicating passage (211) to be connected to the train pipe, first communicating passage (210) and second communicating passage (211) between by the first throughput be connected to, first control assembly (21) at least partly towards close to or far from described The direction of first throughput is mobile, to adjust the circulation of the air-flow of first throughput.

3. train speed regulating device according to claim 2, which is characterized in that first throughput includes first-class Port (212) and the first opening (2201), first opening (2201) are connected to first communication port (212), and described the The bore of one opening (2201) is less than the bore of first communication port (212), by controlling first opening respectively (2201) on-off of on-off and first communication port (212) controls the circulation of the air-flow in first connected space (20) Amount.

4. train speed regulating device according to claim 3, which is characterized in that the first communication port (212) setting Between first communicating passage (210) and second communicating passage (211)；First control assembly (21) includes:

First stopper (220), first stopper (220) are at least partially seated at first communication port (212), First stopper (220) is movably disposed along the direction close to or far from first communication port (212), to control The on-off of the first communication port (212) is stated, first opening (2201) is arranged on first stopper (220)；

Second stopper (221), second stopper (221) are at least partially seated at first opening (2201), Second stopper (221) is movably disposed along the direction close to or far from first opening (2201), to control State the on-off of the first opening (2201)；

When the direction that second stopper (221) is directed away from first opening (2201) is moved to the first predetermined position When, first opening (2201) is access, when second stopper (221) continuously moves to the second predetermined position, institute The direction movement that the first stopper (220) is directed away from first communication port (212) is stated, so that first communication port It (212) is access.

5. train speed regulating device according to claim 4, which is characterized in that first control assembly (21) is also wrapped It includes:

One end of first catch bar (24), first catch bar (24) is connect with the operation portion (10), and described first pushes The other end of bar (24) is connect with second stopper (221), to push described second by first catch bar (24) Stopper (221) is mobile.

6. train speed regulating device according to claim 5, which is characterized in that first control assembly (21) is also wrapped It includes:

First impeller (25), first impeller (25) is arranged on first catch bar (24), described second When stopper (221) is moved to first predetermined position, first stopper is pushed by first impeller (25) (220) mobile.

7. the train speed regulating device according to any one of claim 2 to 6, which is characterized in that second connection Space (30) have third connecting channel (310) and the 4th communicating passage (311), the third connecting channel (310) with it is described Train pipe connection, the 4th communicating passage (311) is connected to the atmospheric communicating pipe, the third connecting channel (310) and It is connected between 4th communicating passage (311) by the second throughput；At least partly court of second control assembly (31) It is mobile to the direction close to or far from second throughput, it is described to adjust the circulation of the air-flow of second throughput Second communicating passage (211) is connected to the third connecting channel (310).

8. train speed regulating device according to claim 7, which is characterized in that second throughput includes second Port (312) and the second opening (3201), second opening (3201) are connected to second communication port (312), and described the The bore of two openings (3201) is less than the bore of second communication port (312), by controlling second opening respectively (3201) on-off of on-off and second communication port (312) controls the circulation of the air-flow in second connected space (30) Amount.

9. train speed regulating device according to claim 8, which is characterized in that the second communication port (312) setting Between the third connecting channel (310) and the 4th communicating passage (311), second control assembly (31) includes:

Third stopper (320), the third stopper (320) are at least partially seated at second communication port (312), The third stopper (320) is movably disposed along the direction close to or far from second communication port (312), to control The on-off of the second communication port (312) is stated, second opening (3201) is arranged on the third stopper (320)；

4th stopper (321), the 4th stopper (321) are at least partially seated at second opening (3201), 4th stopper (321) is movably disposed along the direction close to or far from second opening (3201), to control State the on-off of the second opening (3201)；

When the direction that the 4th stopper (321) is directed away from second opening (3201) is moved to third predetermined position When, second opening (3201) is access, when the 4th stopper (321) continuously moves to four predetermined positions, institute The direction movement that third stopper (320) is directed away from second communication port (312) is stated, so that second communication port It (312) is access.

10. train speed regulating device according to claim 9, which is characterized in that second control assembly (31) is also Include:

One end of second catch bar (33), second catch bar (33) is connect with the operation portion (10), and described second pushes The other end of bar (33) is connect with the 4th stopper (321), to push the described 4th by second catch bar (33) Stopper (321) is mobile.

11. train speed regulating device according to claim 10, which is characterized in that second control assembly (31) is also Include:

Second impeller (34), second impeller (34) is arranged on second catch bar (33), the described 4th When stopper (321) is moved to the second predetermined position, the third stopper (320) is pushed by second impeller (34) It is mobile.

12. train speed regulating device according to any one of claim 1 to 6, which is characterized in that the operation portion (10) include:

Control shaft (11), the control shaft (11) can be rotatably set around axial line；

First actuator (12), first actuator (12) are mounted on the end face of the control shaft (11), and described first drives Moving part (12) is at least partly contacted with first control assembly (21), to be moved in the control shaft (11) by initial position To the first operating position, drive first control assembly (21) mobile by first actuator (12), with Adjust the circulation of the air-flow between the blast main and the train pipe；

Second actuator (13), second actuator (13) are mounted on the end face of the control shaft (11), and described second drives Moving part (13) is at least partly contacted with second control assembly (31), second actuator (13) and first driving Part (12) is staggered along the axis direction of the control shaft (11), to push first control in first actuator (12) While component (21) processed is mobile, the direction for making second actuator (13) be directed away from second control assembly (31) is moved It is dynamic.

13. train speed regulating device according to claim 12, which is characterized in that the operation portion (10) further include:

Operating stick (14), the operating stick (14) connect with the control shaft (11), to control the control shaft (11) rotation；

Hand-held part (15), the hand-held part (15) are mounted on the operating stick (14), to be operated by the hand-held part (15) The operating stick (14) is mobile.

14. train speed regulating device according to any one of claim 1 to 6, which is characterized in that the train speed Adjust device further include:

The emergency braking electrical safety circuit in series of first electrical contact, first electrical contact and train；

Second electrical contact, second electrical contact is connect with the display device of the train, for showing the train On-position, the operation portion (10) are all connected with first electrical contact and second electrical contact；When the operation When portion (10) is located at the initial position or the first operating position, second electrical contact is open circuit, the described first electrical touching Point is access；When the operation portion (10) is located at second operating position, second electrical contact is access, described the One electrical contact is open circuit.

Technical field

The present invention relates to technical field of vehicle, in particular to a kind of train speed regulating device.

Background technique

Currently, the common mode of braking of track train is self-action air damping, checking cylinder when feature is train pipe decompression Pressurization, to brake.

But train an emergency situation is encountered in the process of moving or brake handle fail when, vehicle multiplies personnel can not be according to vehicle Operating condition adjusts the speed vehicle, is easy to cause the safety problem of train.

Summary of the invention

The main purpose of the present invention is to provide a kind of train speed regulating devices, to solve train peace in the prior art The low problem of full performance.

To achieve the goals above, the present invention provides a kind of train speed regulating devices, comprising: operation portion, operation portion With initial position, the first operating position and the second operating position, initial position setting is in the first operating position and the second work Between position；The blast main of first connected space, train is connected to by the first connected space with train pipe, in the first connected space It is provided with the first control assembly, to control the airflow area in the first connected space by the first control assembly, with control The circulation of air-flow between blast main and train pipe；Second connected space, the second connected space at least partly connect with first Logical space connection；Train pipe is communicated with the atmosphere by the second connected space, has the second control assembly in the second connected space, with The airflow area in the second connected space is controlled by the second control assembly, is communicated with the atmosphere between pipe with controlling train pipe Air-flow circulation；Wherein, operation portion is all connected with the first control assembly and the second control assembly, in operation portion by initial bit It sets during being gradually moved to the first operating position, the flow for the air-flow that blast main is discharged into train pipe is gradually increased, with Increase the release of brake speed of train；During operation portion is gradually moved to the second operating position by initial position, train The flow for the air-flow that pipe is discharged into atmospheric communicating pipe is gradually increased, so that the brake force of the checking cylinder of train is gradually increased, with Increase the retro-speed of train.

Further, the first connected space has the first communicating passage and the second communicating passage, the first communicating passage and total Air hose connection, the second communicating passage are connected to train pipe, pass through the first circulation between the first communicating passage and the second communicating passage Portion's connection, moving at least partly towards the direction close to or far from the first throughput for the first control assembly are first-class to adjust The circulation of the air-flow in logical portion.

Further, the first throughput includes the first communication port and the first opening, and the first opening is connected to the first communication port, The bore of first opening less than the first communication port bore, to pass through the on-off and first communication port of the first opening of control respectively On-off controls the circulation of the air-flow in the first connected space.

Further, the first communication port is arranged between the first communicating passage and the second communicating passage；First control assembly Include: the first stopper, the first stopper is at least partially seated at first-class passage port, the first stopper along close to or far from The direction of first communication port is movably disposed, and to control the on-off of the first communication port, the first opening is arranged in the first stopper On；Second stopper, the second stopper are at least partially seated at the first opening, and the second stopper is along close to or far from first The direction of opening is movably disposed, to control the on-off of the first opening；When the second stopper is directed away from the side of the first opening To when being moved to the first predetermined position, the first opening is access, when the second stopper continuously moves to the second predetermined position, the The direction that one stopper is directed away from the first communication port is mobile, so that the first communication port is access.

Further, the first control assembly further include: one end of the first catch bar, the first catch bar is connect with operation portion, The other end of first catch bar is connect with the second stopper, to push the second stopper mobile by the first catch bar.

Further, the first control assembly further include: the first impeller, the first impeller are arranged on the first catch bar, To push the first stopper mobile by the first impeller when the second stopper is moved to the first predetermined position.

Further, the second connected space has third connecting channel and the 4th communicating passage, third connecting channel and column Vehicle Guan Liantong, the 4th communicating passage are communicated with the atmosphere pipe connection, pass through second between third connecting channel and the 4th communicating passage Throughput connection；Second control assembly it is mobile at least partly towards the direction close to or far from the second throughput, to adjust the The circulation of the air-flow of two throughputs, the second communicating passage are connected to third connecting channel.

Further, the second throughput includes the second communication port and the second opening, and the second opening is connected to the second communication port, The bore of second opening less than the second communication port bore, to pass through the on-off and second communication port of the second opening of control respectively On-off controls the circulation of the air-flow in the second connected space.

Further, the second communication port is arranged between third connecting channel and the 4th communicating passage, the second control assembly Include: third stopper, third stopper is at least partially seated at second passage port, third stopper along close to or far from The direction of second communication port is movably disposed, and to control the on-off of the second communication port, the second opening is arranged in third stopper On；4th stopper, the 4th stopper are at least partially seated at the second opening, and the 4th stopper is along close to or far from second The direction of opening is movably disposed, to control the on-off of the second opening；When the 4th stopper is directed away from the side of the second opening To when being moved to third predetermined position, the second opening is access, when the 4th stopper continuously moves to four predetermined positions, the The direction that three stoppers are directed away from the second communication port is mobile, so that the second communication port is access.

Further, the second control assembly further include: one end of the second catch bar, the second catch bar is connect with operation portion, The other end of second catch bar is connect with the 4th stopper, to push the 4th stopper mobile by the second catch bar.

Further, the second control assembly further include: the second impeller, the second impeller are arranged on the second catch bar, To push third stopper mobile by the second impeller when the 4th stopper is moved to the second predetermined position.

Further, operation portion includes: control shaft, and control shaft can be rotatably set around axial line；First actuator, first Actuator is mounted on the end face of control shaft, and the first actuator is at least partly contacted with the first control assembly, in control shaft During being moved to the first operating position by initial position, drive the first control assembly mobile by the first actuator, to adjust Save the circulation of the air-flow between blast main and train pipe；Second actuator, the second actuator are mounted on the end face of control shaft, Second actuator is at least partly contacted with the second control assembly, and the second actuator and the first actuator are along the axis side of control shaft To being staggered, to make the second actuator be directed away from second while the first actuator pushes the first control assembly mobile The direction of control assembly is mobile.

Further, operation portion further include: operating stick, operating stick and control axis connection, to control control shaft rotation；It is hand-held Portion, hand-held part are mounted in operating stick, mobile to operate operating stick by hand-held part.

Further, train speed regulating device further include: the first electrical contact, the first electrical contact are promptly made with train Dynamic electrical safety circuit in series；The display device of second electrical contact, the second electrical contact and train connects, for showing train On-position, operation portion is all connected with the first electrical contact and the second electrical contact；When operating position is in initial position or When one operating position, the second electrical contact is open circuit, and the first electrical contact is access；When operating position is in the second operating position When, the second electrical contact is access, and the first electrical contact is open circuit.

It applies the technical scheme of the present invention, the train speed regulating device provided according to the present invention, including operation portion, first Connected space and the second connected space, operation portion have initial position, the first operating position and the second operating position, initial position It is arranged between the first operating position and the second operating position, the blast main of train is connected by the first connected space and train pipe It is logical, the first control assembly is provided in the first connected space, to control the gas in the first connected space by the first control assembly Flow circulation area, to control the circulation of the air-flow between blast main and train pipe, the second connected space at least partly with the The connection of one connected space；Train pipe is communicated with the atmosphere by the second connected space, has the second control group in the second connected space Part is communicated with the atmosphere with controlling the airflow area in the second connected space by the second control assembly with controlling train pipe The circulation of air-flow between pipe；Wherein, operation portion is all connected with the first control assembly and the second control assembly, operation portion by During initial position is gradually moved to the first operating position, the flow for the air-flow that blast main is discharged into train pipe gradually increases Greatly, to increase the release of brake speed of train；During operation portion is gradually moved to the second operating position by initial position, The flow for the air-flow that train pipe is discharged into atmospheric communicating pipe is gradually increased, so that the brake force of the checking cylinder of train gradually increases Greatly, to increase the retro-speed of train, to solve the problems, such as that train security performance in the prior art is low.

Detailed description of the invention

The accompanying drawings constituting a part of this application is used to provide further understanding of the present invention, and of the invention shows Examples and descriptions thereof are used to explain the present invention for meaning property, does not constitute improper limitations of the present invention.In the accompanying drawings:

Fig. 1 shows the structural schematic diagram of the embodiment of train speed regulating device according to the present invention；

Fig. 2 shows the explosive views of train speed regulating device according to the present invention；

Fig. 3 shows the structural schematic diagram of the embodiment of the first control assembly according to the present invention；And

Fig. 4 shows circuit connection diagram according to the present invention.

Wherein, the above drawings include the following reference numerals:

1, shell；10, operation portion；11, control shaft；12, the first actuator；13, the second actuator；14, operating stick；15, Hand-held part；16, the first connecting pin；17, the second connecting pin；

20, the first connected space；21, the first control assembly；210, the first communicating passage；211, the second communicating passage； 212, the first communication port；220, the first stopper；221, the second stopper；2201, the first opening；2202, the first limiting section； 23, the first compressed spring；24, the first catch bar；25, the first impeller；26, the second compressed spring；

30, the second connected space；31, the second control assembly；310, third connecting channel；311, the 4th communicating passage； 312, the second communication port；320, third stopper；3201, the second opening；321, the 4th stopper；322, the second limiting section；33, Second catch bar；34, the second impeller；35, third compressed spring；36, the 4th compressed spring.

Specific embodiment

It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase Mutually combination.The present invention will be described in detail below with reference to the accompanying drawings and embodiments.

The present invention provides a kind of train speed regulating devices, and please refer to figs. 1 to 4, comprising: operation portion 10, operation portion 10 have initial position, the first operating position and the second operating position, and initial position is arranged in the first operating position and the second work Make between position；The blast main of first connected space 20, train is connected to by the first connected space 20 with train pipe, the first connection The first control assembly 21 is provided in space 20, to control the air-flow stream in the first connected space 20 by the first control assembly 21 Logical area, to control the circulation of the air-flow between blast main and train pipe；Second connected space 30, the second connected space 30 At least partly it is connected to the first connected space 20；Train pipe is communicated with the atmosphere by the second connected space 30, the second connected space There is the second control assembly 31, to control the airflow face in the second connected space 30 by the second control assembly 31 in 30 Product, to control the circulation for the air-flow that train pipe is communicated with the atmosphere between pipe；Wherein, operation portion 10 and the first control assembly 21 and Second control assembly 31 is all connected with, during operation portion 10 is gradually moved to the first operating position by initial position, total wind The flow for the air-flow that pipe is discharged into train pipe is gradually increased, to increase the release of brake speed of train；In operation portion 10 by first During beginning position is gradually moved to the second operating position, the flow for the air-flow that train pipe is discharged into atmospheric communicating pipe is gradually Increase, so that the brake force of the checking cylinder of train is gradually increased, to increase the retro-speed of train.

The train speed regulating device provided according to the present invention, including operation portion 10, the first connected space 20 and second connect Logical space 30, operation portion 10 have initial position, the first operating position and the second operating position, and initial position is arranged in the first work Make between position and the second operating position, the blast main of train is connected to by the first connected space 20 with train pipe, the first connection The first control assembly 21 is provided in space 20, to control the air-flow stream in the first connected space 20 by the first control assembly 21 Logical area, to control the circulation of the air-flow between blast main and train pipe, the second connected space 30 at least partly with first Connected space 20 is connected to；Train pipe is communicated with the atmosphere by the second connected space 30, has the second control in the second connected space 30 Component 31 processed, to control the airflow area in the second connected space 30 by the second control assembly 31, to control train pipe The circulation of the air-flow between pipe is communicated with the atmosphere；Wherein, operation portion 10 and the first control assembly 21 and the second control assembly 31 It is all connected with, during operation portion 10 is gradually moved to the first operating position by initial position, blast main is arranged into train pipe The flow for the air-flow put is gradually increased, to increase the release of brake speed of train；It is gradually moved in operation portion 10 by initial position To the second operating position, the flow for the air-flow that train pipe is discharged into atmospheric communicating pipe is gradually increased, so that train The brake force of checking cylinder be gradually increased, to increase the retro-speed of train, to solve train security performance in the prior art Low problem.

Herein it should be noted that above-mentioned train pipe is brake pipe, for braking, blast main is used to be 25G vehicle The air spring of body fills wind.

Specifically, as shown in Figure 1, train speed regulating device further includes shell 1, operation portion 10 is at least partially seated at On shell 1, the first connected space 20 and the second connected space 30 are arranged in shell 1.

In embodiment provided by the invention, it is logical that there is the first connected space 20 first communicating passage 210 to be connected to second Road 211, the first communicating passage 210 are connected to blast main, and the second communicating passage 211 is connected to train pipe, the first communicating passage 210 Be connected between the second communicating passage 211 by the first throughput, the first control assembly 21 at least partly towards close or remote Direction from the first throughput is mobile, to adjust the circulation of the air-flow of the first throughput.

Specifically, the first throughput includes the first communication port 212 and the first opening 2201, the first opening 2201 with it is first-class Port 212 is connected to, and the bore of the first opening 2201 is open less than the bore of the first communication port 212 with passing through control first respectively The on-off of 2201 on-off and the first communication port 212 controls the circulation of the air-flow in the first connected space 20.

As shown in figures 1 and 3, the setting of the first communication port 212 the first communicating passage 210 and the second communicating passage 211 it Between；First control assembly 21 includes: the first stopper 220, and the first stopper 220 is at least partially seated at the first communication port At 212, the first stopper 220 is movably disposed along the direction close to or far from the first communication port 212, with the first circulation of control The on-off of mouth 212, the first opening 2201 are arranged on the first stopper 220；Second stopper 221, the second stopper 221 is extremely Small part is mounted at the first opening 2201, and the second stopper 221 is removable along the direction close to or far from the first opening 2201 Ground setting, to control the on-off of the first opening 2201；When the direction that the second stopper 221 is directed away from the first opening 2201 is mobile When to the first predetermined position, the first opening 2201 is access, when the second stopper 221 continuously moves to the second predetermined position, The direction that first stopper 220 is directed away from the first communication port 212 is mobile, so that the first communication port 212 is access.

Wherein, between the second stopper 221 and the inner wall of the first communicating passage 210 have the first compressed spring 23, first The first end of compressed spring 23 is connect with the second stopper 221, the second end of the first compressed spring 23 and the first communicating passage 210 Inner wall connection, with using the first compressed spring 23 the second stopper of resilient force 221 towards close to first opening 2201 Direction movement；Preferably, the first stopper 220 has the first limiting section 2202, and the setting of the first limiting section 2202 is in the second resistance The outside of block 221, the first limiting section 2202 are arranged around the second stopper 221, the first limiting section 2202 and the second stopper It is provided with the first abutting end face between 221 blocking ontology, is set between the first abutting end face and the inner wall of the first communicating passage 210 It is equipped with the second compressed spring 26, to push the second stopper 221 to return back to resistance by the elastic-restoring force of the second compressed spring 26 Gear is set.

For the ease of the rate of air circulation in the first connected space 20 of control, the first control assembly 21 further include: first pushes away One end of lever 24, the first catch bar 24 is connect with operation portion 10, and the other end of the first catch bar 24 and the second stopper 221 connect It connects, to push the second stopper 221 mobile by the first catch bar 24.

First control assembly 21 further include: the first impeller 25, the first impeller 25 are arranged on the first catch bar 24, with When the second stopper 221 is moved to the first predetermined position, push the first stopper 220 mobile by the first impeller 25.It is excellent Selection of land, the first impeller 25 are the first promotion pin, and first pushes pin to extend along the first predetermined direction, the first predetermined direction and first There is predetermined angle, so that first pushes pin to push the first stopper 220 mobile between the extending direction of catch bar 24.

In embodiment provided by the invention, it is logical that there is the second connected space 30 third connecting channel 310 to be connected to the 4th Road 311, third connecting channel 310 are connected to train pipe, and pipe connection is communicated with the atmosphere in the 4th communicating passage 311, and third connecting is logical It is connected between road 310 and the 4th communicating passage 311 by the second throughput；Second control assembly 31 at least partly towards close Or the direction far from the second throughput is mobile, and to adjust the circulation of the air-flow of the second throughput, the second communicating passage 211 and the Tee joint channel 310 is connected to.

Specifically, the second throughput includes the second communication port 312 and the second opening 3201, the second opening 3201 and second Port 312 is connected to, and the bore of the second opening 3201 is open less than the bore of the second communication port 312 with passing through control second respectively The on-off of 3201 on-off and the second communication port 312 controls the circulation of the air-flow in the second connected space 30.

As shown in Figure 1, the second communication port 312 is arranged between third connecting channel 310 and the 4th communicating passage 311, the Two control assemblies 31 include: third stopper 320, and third stopper 320 is at least partially seated at the second communication port 312, Third stopper 320 is movably disposed along the direction close to or far from the second communication port 312, to control the second communication port 312 On-off, second opening 3201 be arranged on third stopper 320；4th stopper 321, at least portion of the 4th stopper 321 Divide and be mounted at the second opening 3201, the 4th stopper 321 is movably set along the direction close to or far from the second opening 3201 It sets, to control the on-off of the second opening 3201；When the direction that the 4th stopper 321 is directed away from the second opening 3201 is moved to When three predetermined positions, the second opening 3201 is access, when the 4th stopper 321 continuously moves to four predetermined positions, third The direction that stopper 320 is directed away from the second communication port 312 is mobile, so that the second communication port 312 is access.

Wherein, third compressed spring 35 is provided between the 4th stopper 321 and the inner wall in third connecting channel 310, the The first end of three compressed springs 35 is abutted with the connecting end surface of the 4th stopper 321, the second end of third compressed spring 35 and the The inner wall in tee joint channel 310 abuts, and returns back to the 4th stopper 321 with the elastic-restoring force by third compressed spring 35 The blocking position of second opening 3201；The second limiting section 322 is provided on third stopper 320, the setting of the second limiting section 322 exists The outside of 4th stopper 321, the second limiting section 322 are arranged around the 4th stopper 321, and the second limiting section 322 is hindered with third Have second to abut end face between the blocking ontology of block 320, is provided between the second abutting end face and third connecting channel 310 4th compressed spring 36, to push third stopper 320 to return back to second by the elastic-restoring force of the 4th compressed spring 36 The blocking position of port 312.

For the ease of the rate of air circulation in the second connected space 30 of control, the second control assembly 31 further include: second pushes away One end of lever 33, the second catch bar 33 is connect with operation portion 10, and the other end of the second catch bar 33 and the 4th stopper 321 connect It connects, to push the 4th stopper 321 mobile by the second catch bar 33.

Second control assembly 31 further include: the second impeller 34, the second impeller 34 are arranged on the second catch bar 33, with When the 4th stopper 321 is moved to the second predetermined position, push third stopper 320 mobile by the second impeller 34.It is excellent Selection of land, the second impeller 34 are second to push pin, and second pushes extending along the second predetermined direction for pin, the second predetermined direction and the There is predetermined angle, so that second pushes pin to push third stopper 320 mobile between the extending direction of two catch bars 33.

In the specific implementation, multiply personnel's operation for the ease of vehicle, operation portion 10 includes: control shaft 11, and control shaft 11 is around axis Heart line can be rotatably set；First actuator 12, the first actuator 12 are mounted on the end face of control shaft 11, the first actuator 12 At least partly contacted with the first control assembly 21, the process of the first operating position is moved to by initial position in control shaft 11 In, drive the first control assembly 21 mobile by the first actuator 12, to adjust the stream of the air-flow between blast main and train pipe Flux；Second actuator 13, the second actuator 13 are mounted on the end face of control shaft 11, the second actuator 13 at least partly with The contact of second control assembly 31, the second actuator 13 are staggered with the first actuator 12 along the axis direction of control shaft 11, with While the first actuator 12 pushes the first control assembly 21 mobile, the second actuator 13 is made to be directed away from the second control assembly 31 direction is mobile.Wherein, the first actuator 12 is connect by the first connecting pin 16 with control shaft 11, and the second actuator 13 passes through Second connecting pin 17 is connect with control shaft 11, and the first actuator 12 can be rotatably set around the axis of the first connecting pin 16, and second Actuator 13 can be rotatably set around the axis of the second connecting pin 17.

Operation portion 10 further include: operating stick 14, operating stick 14 are connect with control shaft 11, to control the rotation of control shaft 11；Hand Portion 15 is held, hand-held part 15 is mounted in operating stick 14, mobile to operate operating stick 14 by hand-held part 15.

Train speed regulating device further include: the first electrical contact, the first electrical contact are electrically pacified with train emergency braking Full loop series connection；The display device of second electrical contact, the second electrical contact and train connects, for showing the braking shape of train State, operation portion 10 are all connected with the first electrical contact and the second electrical contact；When operation portion 10 is located at initial position or the first work When making position, the second electrical contact is open circuit, and the first electrical contact is access；When operation portion 10 is located at the second operating position, Second electrical contact is access, and the first electrical contact is open circuit.

In the specific implementation, as shown in Figure 1, II is the first operating position, V is the second operating position, and III is initial bit It sets, DMV orifice blast main, HL orifice train pipe, O Interface is connected to atmospheric communicating pipe；By operation portion 10 by initial bit When setting gradually L angle mobile to the first operating position, angle L is preferably 8 °, and control shaft 11 pushes the first catch bar mobile, is continued Moving operation portion 10, the second stopper 221 is mobile, and the first opening is access, and train starts to alleviate braking, when the second stopper 221 when being moved to the first predetermined position, and the first impeller 25 pushes the first stopper 220 mobile, makes the first communication port access, Increase release of brake speed, when operation portion is in the first operating position, release of brake speed is maximum；By operation portion 10 by initial When B angle is gradually moved to the second operating position in position, angle B is preferably 8 °, and control shaft 11 pushes the second catch bar mobile, after Continuous moving operation portion 10, the 4th blocking portion is mobile, and the second opening is access, and train starts to brake, when the 4th blocking portion is moved to When the second predetermined position, the second impeller pushes third blocking portion mobile, makes the second communication port access, increases the system of checking cylinder Power increases retro-speed, and when operation portion is in the second operating position, retro-speed is maximum；When operation portion 10 is in initial When position, operation portion 10 does not stress, and train does not apply braking also without alleviating.When operation portion is in the second operating position, Train carries out emergency braking, and the first electrical contact disconnects, and emergency braking electrical safety circuit disconnects, and leads to the police on safety return circuit Cautious exhaust valve power loss air draft triggers redundant emergency brake, even if the failure of vehicle commander's speed governing valve degassing function still can trigger emergency braking； Second electrical contact closure simultaneously prompts driver vehicle commander to apply the emergency brake.When vehicle commander's speed governing valve handle is from after leaving for V, Emergency braking releases, and each contact is restored to Fig. 4 state

It can be seen from the above description that the above embodiments of the present invention realized the following chievements:

The train speed regulating device provided according to the present invention, including operation portion 10, the first connected space 20 and second connect Logical space 30, operation portion 10 have initial position, the first operating position and the second operating position, and initial position is arranged in the first work Make between position and the second operating position, the blast main of train is connected to by the first connected space 20 with train pipe, the first connection The first control assembly 21 is provided in space 20, to control the air-flow stream in the first connected space 20 by the first control assembly 21 Logical area, to control the circulation of the air-flow between blast main and train pipe, the second connected space 30 at least partly with first Connected space 20 is connected to；Train pipe is communicated with the atmosphere by the second connected space 30, has the second control in the second connected space 30 Component 31 processed, to control the airflow area in the second connected space 30 by the second control assembly 31, to control train pipe The circulation of the air-flow between pipe is communicated with the atmosphere；Wherein, operation portion 10 and the first control assembly 21 and the second control assembly 31 It is all connected with, during operation portion 10 is gradually moved to the first operating position by initial position, blast main is arranged into train pipe The flow for the air-flow put is gradually increased, to increase the release of brake speed of train；It is gradually moved in operation portion 10 by initial position To the second operating position, the flow for the air-flow that train pipe is discharged into atmospheric communicating pipe is gradually increased, so that train The brake force of checking cylinder be gradually increased, to increase the retro-speed of train, to solve train security performance in the prior art Low problem.

These are only the preferred embodiment of the present invention, is not intended to restrict the invention, for those skilled in the art For member, the invention may be variously modified and varied.All within the spirits and principles of the present invention, it is made it is any modification, Equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.