CN111923940B - Automatic water supply joint for railway passenger car - Google Patents
Automatic water supply joint for railway passenger car Download PDFInfo
- Publication number
- CN111923940B CN111923940B CN202010957616.3A CN202010957616A CN111923940B CN 111923940 B CN111923940 B CN 111923940B CN 202010957616 A CN202010957616 A CN 202010957616A CN 111923940 B CN111923940 B CN 111923940B
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- water supply
- rubber sleeve
- protective cover
- pipe
- water
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 216
- 230000001681 protective effect Effects 0.000 claims abstract description 53
- 238000007789 sealing Methods 0.000 claims description 12
- 238000012840 feeding operation Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 9
- 239000003344 environmental pollutant Substances 0.000 description 5
- 231100000719 pollutant Toxicity 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61C—LOCOMOTIVES; MOTOR RAILCARS
- B61C17/00—Arrangement or disposition of parts; Details or accessories not otherwise provided for; Use of control gear and control systems
- B61C17/02—Bunkers; Tanks; Tenders; Water or fuel pick-up or scoop apparatus; Water or fuel supply fittings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61C—LOCOMOTIVES; MOTOR RAILCARS
- B61C17/00—Arrangement or disposition of parts; Details or accessories not otherwise provided for; Use of control gear and control systems
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D1/00—Carriages for ordinary railway passenger traffic
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Automation & Control Theory (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The invention provides an automatic water feeding connector of a railway carriage, which is used for solving the safety problem that the water feeding connector cannot fall off automatically in time after water feeding operation is finished, so that the railway carriage drags a water feeding pipe. The automatic water feeding connector comprises a protective cover, a rubber sleeve, a water feeding pipe connector and a controller; the outer part of the protective cover is cylindrical, and the inner part of the protective cover comprises a push-pull electromagnet, a limiting ring, a movable ring and a clamping ring; the rubber sleeve is arranged in the protective cover and fixed by the limiting ring, the outer part of the rubber sleeve is in a ladder cone shape with the lower port smaller than the caliber of the upper end, the edge of the lower end is in an I-shaped structure with an opening, and a pressure sensor can be arranged in the rubber sleeve; the upper part of the water supply pipe connector is embedded into the rubber sleeve, the lower part of the water supply pipe connector is connected with a water source, and the pressure sensor and the push-pull electromagnet are connected with the controller. The water supply connector can automatically separate from the water supply pipe of the train after the automatic water supply is finished through the controller, the built-in pressure sensor and the push-pull electromagnet, so that the safety accident that the train drags the water supply pipe is avoided.
Description
Technical Field
The invention relates to the field of water supply equipment of railway carriages, in particular to an automatic water supply joint capable of avoiding a water supply rubber pipe from being dragged away by a railway carriage due to errors of workers.
Background
At present, in the running process of a railway passenger car, water supply equipment is required to be arranged along the line to supply water for the passenger car in order to meet the water demand of the train. The existing water feeding mode is as follows: the water-feeding rubber pipe is inserted into the water injection port of the carriage by means of manpower, and then the valve of the water-feeding rubber pipe is opened to feed water. This approach requires the following drawbacks: (1) The manual dependence is relatively large, and because the general station-keeping time of the train is relatively short, a plurality of safety accidents of pulling away the water-feeding rubber tube of the railway passenger car caused by that the water inlet tube is not pulled out in time after the water feeding of the personnel is finished occur at a plurality of railway stations in the whole country, and even the personal casualty accidents are caused; (2) The water feeding efficiency is low due to the manual water feeding mode; (3) At present, passenger railway carriages running on China are more in types, the water injection ports of the railway carriages of different types are different to a certain extent, the pipe diameter of the tail end of the water supply pipe is generally DN25mm, so that the water supply pipe and part of railway carriage interfaces cannot be completely matched, and water leakage is serious in the water supply process; (4) At present, in the domestic railway carriage water supply operation process, the phenomenon that a water supply hose drags on the ground is common, so that the surface of the hose is polluted, and pollutants easily enter a water tank of the railway carriage through a water supply joint to influence the water quality.
Disclosure of Invention
In order to reduce the dependence on manpower and avoid the occurrence of water supply safety accidents caused by human factors, the invention aims to solve the technical problem of providing the water supply connector which has high automation degree and high operation efficiency and can automatically drop off after water supply is finished.
The technical scheme adopted by the invention for solving the technical problems is as follows: an automatic water feeding connector of a railway passenger car comprises a protective cover, a rubber sleeve, a water feeding pipe connector and a controller;
the outer part of the protective cover is cylindrical, the inner part of the protective cover is of a cavity structure, and a plurality of limiting rings are arranged on the cavity wall of the inner part of the protective cover from top to bottom;
The outer part of the rubber sleeve is of a ladder-shaped structure with a large upper end caliber and a small lower end caliber, the inner part of the rubber sleeve is a mounting cavity of a train water supply pipe, a conical bulge is arranged on the outer wall of the rubber sleeve, the diameter of the upper end surface of the conical bulge is larger than that of the lower end surface of the conical bulge, an I-shaped structure is arranged in an opening at the lower end of the rubber sleeve, a plurality of pressure sensors are arranged between annular grooves formed by the upper end surface and the lower end surface of the I-shaped structure and the rubber sleeve, and an annular cavity is arranged in the middle of the I-shaped structure;
the rubber sleeve can be embedded into the protective cover and is fixedly connected with a plurality of limiting rings on the inner wall of the protective cover and the edge of the bottom opening of the protective cover in a matched manner;
The plurality of limiting rings on the inner wall of the protective cover comprise bottom limiting rings, a plurality of transverse push-pull electromagnets which are uniformly distributed along the circumferential direction are arranged in annular grooves formed by the bottom limiting rings and the edges of the opening at the bottom of the protective cover, push rods are arranged on the transverse push-pull electromagnets, and the push rods can squeeze the outer wall of the rubber sleeve under the drive of electric power so that the rubber sleeve transversely deforms;
The bottom limiting ring is also provided with a movable ring which is in contact with the rubber sleeve and the protective cover, a plurality of longitudinal push-pull electromagnets are arranged on the movable ring along the circumferential direction, connecting rods are arranged on the longitudinal push-pull electromagnets, the top ends of the connecting rods are provided with clamping rings, and the clamping rings can move to the annular outer sides of the conical protrusions under the drive of the connecting rods so that the conical protrusions of the rubber sleeve generate transverse deformation;
The upper water pipe connector can be embedded into the annular cavity of the I-shaped structure, the upper end of the upper water pipe connector is an upper water inner pipe, the lower end of the upper water pipe connector is a water source connecting pipe, and the outer diameter of the upper water inner pipe is smaller than the inner diameter of the train upper water pipe;
The transverse push-pull electromagnet, the longitudinal push-pull electromagnet and the pressure sensor are connected with the controller.
Further, the controller is connected with the water inlet valve door, and the controller is a PLC controller.
Preferably, the inner diameter of the clamping ring is larger than the outer diameter of the train water supply pipe.
Further, the plurality of limiting rings further comprise a first limiting ring arranged at the top of the inner wall of the protective cover and a second limiting ring arranged at the middle lower part of the inner wall of the protective cover, the top of the rubber sleeve is provided with an annular protruding portion, the upper end face of the conical protruding portion is provided with an annular extending portion, and the rubber sleeve is fixedly connected with the first limiting ring and the second limiting ring of the protective cover in a matched mode through the annular protruding portion and the annular extending portion.
Preferably, the lower end face of the I-shaped structure extends out of the rubber sleeve and is in sealing connection with the edge of the opening at the bottom of the protective cover.
Preferably, a splicing part connected with the protective cover and the rubber sleeve is arranged between the water supply inner pipe and the water source connecting pipe, the splicing part is of a ladder-shaped structure, and connecting threads are arranged outside the water source connecting pipe.
Preferably, the water supply inner pipe is provided with a one-way valve.
Preferably, a plurality of annular grooves are formed in the outer wall of the water supply inner pipe, and sealing rings are arranged in the annular grooves.
The working principle of the automatic water supply connector of the railway carriage is as follows:
according to the automatic water feeding connector of the railway passenger car, the pressure sensor is arranged to sense whether the water feeding pipe of the train is inserted into the bottom of the rubber sleeve and is connected with the water feeding inner pipe in a matched mode, when the pressure sensor detects pressure change, the controller firstly controls the transverse push-pull electromagnet and drives the push rod to generate transverse displacement, so that the inner wall of the rubber sleeve generates transverse deformation and clamps the water feeding pipe of the train, and then the water feeding pipe of the train is limited to generate displacement in the upper and lower directions; secondly, after the water pipe on the train is limited, the controller controls the longitudinal push-pull electromagnet to drive the connecting rod and the clamping ring to move upwards to the outside of the conical bulge of the rubber sleeve under the electric drive, and the rubber sleeve is transversely deformed, so that the sealing connection between the inner wall of the rubber sleeve and the outer wall of the water pipe on the train is realized; and finally, the controller controls the water inlet valve to finish train water injection.
Compared with the prior art, the invention has the following advantages and effects:
1. According to the automatic water feeding connector of the railway passenger car, the rubber sleeve capable of generating elastic deformation under the action of external force is embedded in the protective cover, and the train water feeding pipe installation cavity and the water feeding pipe connector are arranged in the rubber sleeve and used for accommodating and fixing the train water feeding pipe; in the whole water feeding process, the transverse push-pull electromagnet can limit the water feeding pipe of the train to generate longitudinal displacement, and the longitudinal push-pull electromagnet can realize the sealing connection between the rubber sleeve and the water feeding pipe of the train, so that the water leakage possibly occurring in the water feeding process is avoided.
2. According to the automatic water feeding connector of the railway passenger car, the pressure sensor, the transverse push-pull electromagnet and the longitudinal push-pull electromagnet which are connected with the controller are arranged to realize the sealing connection of the water feeding pipe connector and the water feeding pipe of the train, when water feeding is finished, the controller drives the push rod or the connecting rod on the transverse push-pull electromagnet and the longitudinal push-pull electromagnet to reset, so that the automatic separation of the water feeding pipe connector and the water feeding pipe of the train can be realized, and then the safety accident problem that the water glue leather pipe is pulled after the train is started due to the fact that a train worker forgets to pull the water feeding pipe in time after the water feeding operation is finished is avoided.
3. According to the automatic water supply connector of the railway carriage, under the sudden accident states such as power failure, the push rods or the connecting rods on the transverse push-pull type electromagnet and the longitudinal push-pull type electromagnet can reset under the elastic and gravity effects of the rubber sleeve, and the water supply pipe of the railway carriage can be automatically separated from the water supply connector, so that the situation that the water supply connector cannot be separated from the water supply pipe of the railway carriage due to power failure possibly exists and the water supply pipe is dragged by the railway carriage is avoided.
4. The automatic water feeding connector for the railway carriage is characterized in that the water feeding inner pipe is arranged in the protective cover, and pollutants on the surface of the external water inlet pipeline are difficult to enter the water feeding inner pipe, so that the pollution entering the water tank of the railway carriage through the water feeding connector can be prevented from influencing the water quality.
5. According to the automatic water supply joint of the railway passenger car, the sealing ring is arranged on the outer wall of the water supply inner pipe, when water supply operation is performed, the water supply inner pipe is further in sealing connection with the water supply pipe of the train through the sealing ring, the one-way valve is arranged at the upper part of the water supply inner pipe, water flows through the water supply inner pipe and directly flows into the water supply pipe of the train in one way through the one-way valve plate, water flow is prevented from contacting with other parts of the water supply joint, and water quality pollution is avoided.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
Fig. 1 is a schematic structural view of a rubber sleeve according to an embodiment of the present invention.
Fig. 2 is a schematic structural view of a protective cover according to an embodiment of the present invention.
Fig. 3 is a schematic structural view of a water supply pipe connector according to an embodiment of the present invention.
Fig. 4 is a schematic structural view of an automatic water supply joint for a railway carriage according to an embodiment of the present invention.
Fig. 5 is a schematic diagram of an automatic water supply joint of a railway carriage and a water supply pipe of a train according to an embodiment of the invention.
Description of the reference numerals: 1. a protective cover; 101. a first stop collar; 102. a second limiting ring; 103. a bottom stop collar; 2. a rubber sleeve; 201. an annular protruding portion; 202. a conical protrusion; 203. an annular extension; 3. a clamping ring; 4. a longitudinal push-pull electromagnet; 401. a connecting rod; 5. a transverse push-pull electromagnet; 501. a push rod; 6. a water supply pipe connector; 601. a water supply inner pipe; 602. a water source connecting pipe; 7. a pressure sensor; 8. a one-way valve; 9. a movable ring; 10. a seal ring; 11. a water supply pipe of the train; 12. and (5) a retainer ring.
Detailed Description
The present invention will be described in further detail with reference to the following examples, which are illustrative of the present invention and are not intended to limit the present invention thereto.
Example 1: as shown in fig. 1 to 5, an automatic water supply connector of a railway passenger car comprises a protective cover 1, a rubber sleeve 2, a water supply pipe connector 6 and a controller;
the outside of the protective cover 1 is cylindrical, the inside of the protective cover is of a cavity structure, and a first limiting ring 101, a second limiting ring 102 and a bottom limiting ring 103 are respectively arranged on the cavity wall of the inside of the protective cover 1 from top to bottom;
The outside of the rubber sleeve 2 is of a trapezoid cone-shaped structure with a large upper end caliber and a small lower end caliber, the inside of the rubber sleeve is a mounting cavity of a train water pipe 11, an annular protruding part 201 and a conical protruding part 202 are sequentially arranged on the outer wall of the rubber sleeve 2 from top to bottom, the diameter of the upper end face of the conical protruding part 202 is larger than that of the lower end face, an annular extending part 203 is arranged on the upper end face of the conical protruding part 202, an I-shaped structure is arranged in an opening at the lower end of the rubber sleeve 2, the lower end face of the I-shaped structure extends out of the rubber sleeve 2, a plurality of pressure sensors 7 are arranged between annular grooves formed by the upper end face and the lower end face of the I-shaped structure and the rubber sleeve 2, and an annular cavity is arranged in the middle of the I-shaped structure;
the rubber sleeve 2 can be embedded into the protective cover 1 and is mutually matched, connected and fixed with the first limiting ring 101 and the second limiting ring 102 of the protective cover 1 and the bottom opening edge of the protective cover 1 through the annular protruding part 201, the annular extending part 203 and the lower end face of the I-shaped structure;
A plurality of transverse push-pull electromagnets 5 which are uniformly arranged along the circumferential direction are arranged in an annular groove formed by the bottom limiting ring 103 and the edge of the opening at the bottom of the protective cover 1, a push rod 501 is arranged on the transverse push-pull electromagnets 5, and the push rod 501 can squeeze the outer wall of the rubber sleeve 2 under the drive of electric power so as to enable the rubber sleeve 2 to transversely deform;
The bottom limiting ring 103 is also provided with a movable ring 9 which is in contact with the rubber sleeve 2 and the protective cover 1, the movable ring 9 is provided with a plurality of longitudinal push-pull electromagnets 4 along the circumferential direction, the longitudinal push-pull electromagnets 4 are provided with connecting rods 401, the top ends of the connecting rods 401 are provided with clamping rings 3, and the clamping rings 3 can move to the annular outer side of the conical protrusions 202 under the driving of the connecting rods 401 so as to enable the conical protrusions 202 of the rubber sleeve to generate transverse deformation;
The water supply pipe connector 6 can be embedded into the train water supply pipe installation cavity of the rubber sleeve 2 through an annular cavity with an I-shaped structure, the upper end of the water supply pipe connector 6 is a water supply inner pipe 601, the lower end of the water supply pipe connector is a water source connecting pipe 602, the outer diameter of the water supply inner pipe 601 is smaller than the inner diameter of the train water supply pipe 11, and in the use process, the water supply inner pipe 601 can be embedded into the train water supply pipe 11;
The transverse push-pull electromagnets 5, the longitudinal push-pull electromagnets 4 and the pressure sensors 7 are connected with a controller, and the controller is connected with a water inlet valve. Wherein, the controller is a PLC controller.
In actual installation, a plurality of transverse push-pull electromagnets 5 and push rods 501 thereof can be placed in annular grooves formed by the bottom edge of the protective cover 1 and the bottom limiting ring 103, then the movable ring 9 is placed on the limiting ring 101, a plurality of longitudinal push-pull electromagnets 4 and connecting rods 401 thereof are placed on the movable limiting ring 9 in sequence, and the clamping ring 3 is placed at the upper ends of the connecting rods 401. Then, the rubber sleeve 2 with the pressure sensor 7 is placed in the cavity of the protective sleeve 1, and the positions of the rubber sleeve are fixed by the first limiting ring 101 and the second limiting ring 102.
Specifically, in the use process, when the train water supply pipe 11 is inserted into the bottom of the installation cavity of the rubber sleeve 2, the annular retainer ring 12 arranged at the bottom of the train water supply pipe 11 can be embedded between the rubber sleeve 2 and the water supply inner pipe 601 to realize the matched connection; simultaneously, a plurality of pressure sensors 7 are touched, the sensors transmit signals to a controller, the controller controls a plurality of transverse push-pull electromagnets 5 to push a push rod 501 to move transversely inwards under the drive of electric power, then the lower end of a rubber sleeve 2 is extruded, so that the rubber sleeve 2 is transversely deformed, and the lower annular retainer ring of a train water pipe 11 is further clamped, so that the train water pipe 11 is difficult to move upwards; then the controller controls a plurality of longitudinal push-pull electromagnets 4 to drive the connecting rod 401 and the clamping ring 3 to move longitudinally upwards to the outside of the conical bulge 202 under the electric drive, and the conical bulge has small diameter of the lower end surface and large diameter of the upper end surface, when the clamping ring 3 moves upwards to clamp the rubber sleeve, the conical bulge 202 of the rubber sleeve generates transverse deformation, so that the inner wall of the rubber sleeve is clamped with the outer wall of the water supply pipe of the train to play a sealing role, and then the controller controls the water inlet valve to be opened, so that the water supply operation starts.
When the water feeding is completed, the controller firstly closes the water inlet valve, then drives the push rods or the connecting rods on the transverse push-pull type electromagnet 5 and the longitudinal push-pull type electromagnet 4 to reset under the electric drive, and the train water feeding pipe 11 is separated from the water feeding inner pipe 601 and slides out of the water feeding joint. When the emergency such as power failure occurs, the push rod 501 on the horizontal push-pull electromagnet 5 is reset under the elastic action of the rubber sleeve, the connecting rod 401 on the vertical push-pull electromagnet 4 can be reset under the action of gravity, and the water feeding pipe 11 of the train is naturally separated from the automatic water feeding joint and is positioned in situ by a water feeding robot or a manual work.
According to the automatic water feeding connector of the railway carriage, after water feeding ends, the controller automatically controls the connecting rod or the push rod on the push-pull electromagnet to reset, so that the water feeding pipe of the train is separated from the water feeding connector, and further, the safety accident that the water feeding pipe is pulled after the train is started due to the fact that a worker forgets to remember that the water feeding operation is completed is effectively avoided.
Example 2: as shown in fig. 1 to 5, in the automatic water supply joint for a railway passenger car according to embodiment 1, a one-way valve 8 may be further disposed at the top of the water supply inner pipe 601 for controlling the flow direction of water, a plurality of annular grooves are disposed on the outer wall of the water supply inner pipe 601, and a sealing ring 10 is disposed in the annular grooves. During water feeding operation, the water feeding inner pipe 601 is inserted into the train water feeding pipe 11, water flows through the water feeding inner pipe 601 to flow into the train water feeding pipe 11 directly in one direction through the one-way valve plate 8, water flow is prevented from contacting with other parts of the water feeding connector of the railway passenger car, and water quality pollution is avoided.
Example 3: as shown in fig. 3, in the automatic water supply joint for a railway passenger car according to embodiment 1 and embodiment 2, a splicing part connected with the protective cover 1 and the rubber sleeve 2 is arranged between the water supply inner pipe 601 and the water source connecting pipe 602, the splicing part is in a ladder-shaped structure, connecting threads are arranged outside the water source connecting pipe 602, and the external threads can be used for being connected with a water inlet pipe. The arrangement of the ladder-shaped splicing part can effectively improve the tightness among the protective cover 1, the rubber sleeve 2 and the water supply connector 6, and avoid water leakage in the water supply process.
Example 4: furthermore, in order to improve the applicability of the automatic water feeding connector, the inner diameter of the clamping ring 3 can be set to be larger than the outer diameter of the existing train water feeding pipe 11, and the automatic water feeding connector is suitable for railway passenger train water feeding pipes with different specifications through the mode of clamping the rubber sleeve 2.
In summary, the automatic water feeding connector for the railway passenger car has the advantages of simple structure, reasonable design and simple and convenient use and operation, can realize automatic water feeding opening and closing through PLC control by the built-in pressure sensor and the push-pull electromagnet, can be matched with a water feeding robot for use, replaces manpower, and increases water feeding efficiency and safety; under the accident states such as power failure, the push-pull electromagnet connecting rod can reset under the elastic and gravity actions of the rubber sleeve, and the water feeding connector automatically drops off, so that a passenger train is prevented from dragging the water feeding pipe; the water-supply device can be matched with the interfaces of most railway buses, has wide application range, and avoids the water leakage problem in the water supply process; the inner water pipe is arranged in the protective cover, pollutants are difficult to enter the inner water pipe, and the upper part of the inner water pipe is provided with the one-way valve plate, so that the pollutants can be prevented from entering the inner water pipe, and the pollutants can be prevented from entering the water tank of the railway passenger car through the water connector to influence the water quality.
In addition, the specific embodiments described in the present specification may differ in terms of parts, shapes of components, names, and the like. All equivalent or simple changes of the structure, characteristics and principle according to the inventive concept are included in the protection scope of the present invention. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions in a similar manner without departing from the scope of the invention as defined in the accompanying claims.
Claims (6)
1. An automatic water feeding connector of a railway passenger car is characterized by comprising a protective cover (1), a rubber sleeve (2), a water feeding pipe connector (6) and a controller;
The outside of the protective cover (1) is cylindrical, the inside of the protective cover is of a cavity structure, and a plurality of limiting rings are arranged on the wall of the cavity inside the protective cover (1) from top to bottom;
the outside of the rubber sleeve (2) is of a ladder-shaped structure with a large upper end caliber and a small lower end caliber, the inside of the rubber sleeve is a mounting cavity of a train water supply pipe (11), a conical bulge (202) is arranged on the outer wall of the rubber sleeve (2), the diameter of the upper end surface of the conical bulge (202) is larger than that of the lower end surface, an I-shaped structure is arranged in an opening at the lower end of the rubber sleeve (2), a plurality of pressure sensors (7) are arranged between annular grooves formed by the upper end surface and the lower end surface of the I-shaped structure and the rubber sleeve (2), and an annular cavity is arranged in the middle of the I-shaped structure;
the rubber sleeve (2) can be embedded into the protective cover (1) and is fixedly connected with a plurality of limiting rings on the inner wall of the protective cover (1) and the edge of the bottom opening of the protective cover (1) in a matched manner;
The device comprises a protective cover (1), and is characterized in that a plurality of limiting rings on the inner wall of the protective cover (1) comprise a bottom limiting ring (103), a plurality of transverse push-pull electromagnets (5) which are uniformly distributed along the circumferential direction are arranged in an annular groove formed by the bottom limiting ring (103) and the edge of an opening at the bottom of the protective cover (1), push rods (501) are arranged on the transverse push-pull electromagnets (5), and the push rods (501) can squeeze the outer wall of a rubber sleeve (2) under electric drive to enable the rubber sleeve (2) to transversely deform;
the bottom limiting ring (103) is also provided with a movable ring (9) which is in contact with the rubber sleeve (2) and the protective cover (1), a plurality of longitudinal push-pull electromagnets (4) are arranged on the movable ring (9) along the circumferential direction, connecting rods (401) are arranged on the longitudinal push-pull electromagnets (4), the top ends of the connecting rods (401) are provided with clamping rings (3), and the clamping rings (3) can move to the annular outer side of the conical protrusions (202) under the driving of the connecting rods (401) so that the conical protrusions (202) of the rubber sleeve transversely deform;
The water supply pipe connector (6) can be embedded into the annular cavity of the I-shaped structure, the upper end of the water supply pipe connector (6) is provided with a water supply inner pipe (601), the lower end of the water supply pipe connector is provided with a water source connecting pipe (602), and the outer diameter of the water supply inner pipe (601) is smaller than the inner diameter of the train water supply pipe (11);
The transverse push-pull electromagnet (5), the longitudinal push-pull electromagnet (4) and the pressure sensor (7) are connected with the controller;
The plurality of limiting rings further comprise a first limiting ring (101) arranged at the top of the inner wall of the protective cover (1) and a second limiting ring (102) arranged at the middle lower part of the inner wall of the protective cover (1), an annular protruding part (201) is arranged at the top of the rubber sleeve (2), an annular extending part (203) is arranged on the upper end face of the conical protruding part (202), and the rubber sleeve (2) is fixedly connected with the first limiting ring (101) and the second limiting ring (102) of the protective cover (1) in a matched mode through the annular protruding part (201) and the annular extending part (203);
The water supply inner pipe (601) and the water source connecting pipe (602) are connected with the protective cover (1) and the rubber sleeve (2), the spliced part is of a ladder cone-shaped structure, and connecting threads are arranged outside the water source connecting pipe (602).
2. The automatic water supply joint for a railway carriage according to claim 1, wherein the controller is connected with a water inlet valve, and the controller is a PLC controller.
3. An automatic water supply joint for railway carriages according to claim 1, characterized in that the inner diameter of the clamping ring (3) is larger than the outer diameter of the train water supply pipe (11).
4. An automatic water supply joint for a railway carriage according to claim 1, wherein the lower end face of the I-shaped structure extends out of the rubber sleeve (2) and is in sealing connection with the edge of the bottom opening of the protective cover (1).
5. An automatic water supply joint for railway carriages according to claim 2, characterized in that the water supply inner pipe (601) is provided with a one-way valve (8).
6. An automatic water supply joint for a railway carriage according to claim 5, wherein a plurality of annular grooves are formed in the outer wall of the water supply inner pipe (601), and sealing rings (10) are arranged in the annular grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010957616.3A CN111923940B (en) | 2020-09-11 | 2020-09-11 | Automatic water supply joint for railway passenger car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010957616.3A CN111923940B (en) | 2020-09-11 | 2020-09-11 | Automatic water supply joint for railway passenger car |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111923940A CN111923940A (en) | 2020-11-13 |
| CN111923940B true CN111923940B (en) | 2024-05-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010957616.3A Active CN111923940B (en) | 2020-09-11 | 2020-09-11 | Automatic water supply joint for railway passenger car |
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| CN (1) | CN111923940B (en) |
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| CN212243351U (en) * | 2020-09-11 | 2020-12-29 | 中铁第六勘察设计院集团有限公司 | Automatic water supply connector for railway passenger car |
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| CN205534755U (en) * | 2016-04-18 | 2016-08-31 | 陕西千方科技发展有限责任公司 | Train upper hose quick -operation joint |
| CN109502536A (en) * | 2018-11-15 | 2019-03-22 | 中铁第四勘察设计院集团有限公司 | Multifunctional train water-supply apparatus |
| CN212243351U (en) * | 2020-09-11 | 2020-12-29 | 中铁第六勘察设计院集团有限公司 | Automatic water supply connector for railway passenger car |
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| Publication number | Publication date |
|---|---|
| CN111923940A (en) | 2020-11-13 |
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