CN111923940A - Automatic water supply connector for railway passenger car - Google Patents
Automatic water supply connector for railway passenger car Download PDFInfo
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- CN111923940A CN111923940A CN202010957616.3A CN202010957616A CN111923940A CN 111923940 A CN111923940 A CN 111923940A CN 202010957616 A CN202010957616 A CN 202010957616A CN 111923940 A CN111923940 A CN 111923940A
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- rubber sleeve
- water supply
- water
- protective cover
- pipe
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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 44
- 238000007789 sealing Methods 0.000 claims description 11
- 238000009434 installation Methods 0.000 claims description 7
- 238000012840 feeding operation Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 8
- 239000003344 environmental pollutant Substances 0.000 description 6
- 231100000719 pollutant Toxicity 0.000 description 6
- 230000009471 action Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000003911 water pollution Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 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
- 230000001960 triggered effect Effects 0.000 description 1
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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 joint for a railway carriage, which is used for solving the safety problem that the railway carriage drags a water feeding pipe because the water feeding joint cannot automatically fall off in time after the water feeding operation is finished. The automatic water feeding joint comprises a protective cover, a rubber sleeve, a water feeding pipe connector and a controller; wherein, the outer part of the protective cover is cylindrical, and the inner part of the protective cover comprises a push-pull electromagnet, a limit ring, a movable ring and a clamping ring; the rubber sleeve is arranged in the protective cover and fixed by a limit ring, the outer part of the rubber sleeve is in a ladder-shaped structure with a lower port smaller than the caliber of the upper end, the edge of the lower end part 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 upper water pipe connector is embedded into the rubber sleeve, the lower part of the upper water pipe connector is connected with a water source, and the pressure sensor and the push-pull type electromagnet are connected with the controller. The water feeding joint can realize that the water feeding joint is automatically separated from the water feeding pipe of the train after the automatic water feeding 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 feeding pipe is avoided.
Description
Technical Field
The invention relates to the field of railway passenger car water feeding equipment, in particular to an automatic water feeding joint capable of avoiding a water feeding rubber hose from being dragged away by a railway passenger car due to error of workers.
Background
At present, in the running process of a railway passenger car, in order to meet the water demand of the train, water supply equipment needs to be arranged along the line to supply water to the passenger car. The existing water feeding mode is as follows: the water filling rubber tube is inserted into the water filling opening of the carriage by manpower, and then the valve of the water filling rubber tube is opened for water filling. This approach requires the following drawbacks: (1) the dependence on manpower is large, and the train generally has short station-leaning time, so that a plurality of railway stations in the country have a plurality of safety accidents that the railway passenger car drags away the water-feeding rubber tube because workers do not pull down the water inlet tube in time after the water feeding is finished, and even personal casualty accidents are caused; (2) the water feeding efficiency is low due to the manual water feeding mode; (3) at present, the types of passenger railway carriages running on railways in China are more, the specifications of water filling ports of carriages of the railway carriages with different types also have certain difference, and the pipe diameter of the tail end of a water feeding pipe is generally DN25mm, so that the water feeding pipe cannot be completely matched with part of interfaces of the railway carriages, and serious water leakage is caused in the water feeding process; (4) at present, in the water supply operation process of domestic railway carriages, the water supply hose is generally dragged on the ground, so that the surface of the hose is polluted, and pollutants are easy to enter a railway carriage water tank through a water supply connector to influence the water quality.
Disclosure of Invention
In order to reduce the dependence on manpower and avoid the occurrence of water feeding safety accidents caused by human factors, the invention aims to solve the technical problem of providing the water feeding joint which has high automation degree and high operation efficiency and can automatically fall off after water feeding is finished.
The technical scheme adopted by the invention for solving the technical problems is as follows: an automatic water supply joint for a railway passenger car comprises a protective cover, a rubber sleeve, a water supply 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 in the protective cover from top to bottom;
the rubber sleeve is externally of a ladder-shaped structure with a large upper end diameter and a small lower end diameter, an installation cavity of a train water supply pipe is arranged inside the rubber sleeve, a conical bulge is arranged on the outer wall of the rubber sleeve, the diameter of the upper end face of the conical bulge is larger than that of the lower end face 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 an annular groove formed by the upper end face and the lower end face of the I-shaped structure and the rubber sleeve, and an annular cavity is arranged in the middle;
the rubber sleeve can be embedded into the protective cover and is matched, connected and fixed with the plurality of limiting rings on the inner wall of the protective cover and the edge of the bottom opening of the protective cover;
the plurality of limiting rings on the inner wall of the protective cover comprise a bottom limiting ring, a plurality of transverse push-pull electromagnets which are uniformly distributed along the circumferential direction are arranged in an annular groove formed by the bottom limiting ring and the edge of the bottom opening of the protective cover, a push rod is arranged on each transverse push-pull electromagnet, and the push rod can extrude the outer wall of the rubber sleeve under the drive of electric power to enable the rubber sleeve to generate transverse deformation;
the bottom limiting ring is also provided with a movable ring which is contacted with the rubber sleeve and the protective cover, the movable ring is provided with a plurality of longitudinal push-pull electromagnets along the circumferential direction, the longitudinal push-pull electromagnets are provided with connecting rods, the top ends of the connecting rods are provided with clamping rings, and the clamping rings can move to the annular outer side of the conical bulge under the driving of the connecting rods, so that the conical bulge of the rubber sleeve generates 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 a water inlet valve, and the controller is a PLC controller.
Preferably, the internal diameter of the clamping ring is larger than the external diameter of the water supply pipe of the train.
Further, a plurality of spacing rings still including set up in the first spacing ring at safety cover inner wall top, set up in the second spacing ring of safety cover inner wall middle and lower part, the gum cover top is equipped with annular bulge, the protruding up end of toper is equipped with annular extension, the gum cover is connected fixedly through annular bulge and annular extension and the cooperation of the first spacing ring of safety cover, second spacing ring.
Preferably, the lower end face of the I-shaped structure extends out of the rubber sleeve and is connected with the edge of the opening at the bottom of the protective cover in a sealing mode.
Preferably, a splicing part connected with the protective cover and the rubber sleeve is arranged between the water feeding inner pipe and the water source connecting pipe, the splicing part is of a trapezoid-cone-shaped structure, and connecting threads are arranged outside the water source connecting pipe.
Preferably, a check valve is arranged on the water feeding inner pipe.
Preferably, the outer wall of the water feeding inner pipe is provided with a plurality of annular grooves, and sealing rings are arranged in the annular grooves.
The working principle of the automatic water supply joint of the railway passenger car is as follows:
according to the automatic water feeding joint of the railway passenger car, the pressure sensor is arranged to sense whether a water feeding pipe of the train is inserted into the bottom of the rubber sleeve and is in matched connection with the water feeding inner pipe, when the pressure sensor detects pressure change, the controller firstly controls the transverse push-pull type 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 up-and-down direction; secondly, after the train water supply pipe is limited, the controller controls the longitudinal push-pull type 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 drive of electric power, and the rubber sleeve generates transverse deformation, so that the sealing connection between the inner wall of the rubber sleeve and the outer wall of the train water supply pipe is realized; and finally, the controller controls the water inlet valve to complete water injection of the train.
Compared with the prior art, the invention has the following advantages and effects:
1. the automatic water supply connector for the railway passenger car is characterized in that a rubber sleeve which can generate elastic deformation under the action of external force is embedded in the protective cover, and a train water supply pipe installation cavity and a water supply pipe connector are arranged in the rubber sleeve and used for accommodating and fixing a train water supply 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 condition possibly occurring in the water feeding process is avoided.
2. According to the automatic water supply connector for 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 sealed connection of the water supply pipe connector and the train water supply pipe, and after water supply is finished, the controller drives the transverse push-pull electromagnet and the push rod or the connecting rod on the longitudinal push-pull electromagnet to reset, so that the automatic separation of the water supply pipe connector and the train water supply pipe can be realized, and the problem of safety accidents that the water supply pipe is dragged away after the train is started due to the fact that train workers forget to pull down the train water supply pipe in time after the water supply operation is finished due to negligence is avoided.
3. The push rod or the connecting rod on the transverse push-pull electromagnet and the longitudinal push-pull electromagnet can reset under the elasticity of the rubber sleeve and the action of gravity when the automatic water supply connector of the railway passenger car is in an emergency state such as power failure, and the like, and the water supply pipe of the train can automatically separate from the water supply connector, so that the possible situation that the water supply connector cannot separate from the water supply pipe of the train when the power failure occurs and the railway passenger car drags the water supply pipe is avoided.
4. The automatic water supply connector for the railway passenger car is characterized in that the water supply 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 supply inner pipe, so that the influence on water quality caused by the pollutants entering the water tank of the railway passenger car through the water supply connector can be avoided.
5. According to the automatic water supply connector for the railway passenger car, the sealing ring is arranged on the outer wall of the water supply inner pipe, when water supply operation is carried out, the water supply inner pipe is further connected with the train water supply pipe in a sealing mode through the sealing ring, the one-way valve is arranged on the upper portion of the water supply inner pipe, water flows through the water supply inner pipe and directly flows into the train water supply pipe in a one-way mode through the one-way valve plate, water flow is prevented from contacting other portions of the water supply connector, and water pollution is avoided.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a rubber sleeve according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of the protective cover according to the embodiment of the present invention.
Fig. 3 is a schematic structural diagram of the water supply pipe connector according to the embodiment of the invention.
Fig. 4 is a schematic structural view of an automatic water supply joint of a railway passenger car according to an embodiment of the invention.
FIG. 5 is a schematic view showing the use states of the automatic water supply connector of the railway carriage and the water supply pipe of the train in the embodiment of the invention.
Description of reference numerals: 1. a protective cover; 101. a first limit ring; 102. a second stop collar; 103. a bottom stop collar; 2. a rubber sleeve; 201. an annular boss; 202. a conical projection; 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. an inner water feeding 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 train water supply pipe; 12. and a retainer ring.
Detailed Description
The present invention will be described in further detail with reference to examples, which are illustrative of the present invention and are not to be construed as being limited thereto.
Example 1: as shown in fig. 1 to 5, an automatic water supply joint for a railway passenger car comprises a protective cover 1, a rubber sleeve 2, a water supply pipe connector 6 and a controller;
the outer part of the protective cover 1 is cylindrical, the inner part of the protective cover 1 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 in the protective cover 1 from top to bottom;
the outer part of the rubber sleeve 2 is of a trapezoidal cone-shaped structure with a large upper end caliber and a small lower end caliber, the inner part of the rubber sleeve 2 is an installation cavity of the water supply pipe 11 of the train, the outer wall of the rubber sleeve 2 is sequentially provided with an annular bulge 201 and a conical bulge 202 from top to bottom, the diameter of the upper end face of the conical bulge 202 is larger than that of the lower end face, the upper end face of the conical bulge 202 is provided with an annular extension part 203, 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;
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 bulge part 201, the annular extension part 203, the lower end face of the I-shaped structure;
a plurality of transverse push-pull electromagnets 5 uniformly arranged along the circumferential direction are arranged in an annular groove formed by the bottom limiting ring 103 and the edge of the bottom opening of the protective cover 1, a push rod 501 is arranged on each transverse push-pull electromagnet 5, and the push rod 501 can extrude the outer wall of the rubber sleeve 2 under the drive of electric power to enable the rubber sleeve 2 to generate transverse deformation;
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 bulge 202 under the driving of the connecting rods 401, so that the conical bulge 202 of the rubber sleeve generates transverse deformation;
the water feeding pipe connector 6 can be embedded into the train water feeding pipe installation cavity of the rubber sleeve 2 through an annular cavity with an I-shaped structure, the upper end of the water feeding pipe connector 6 is provided with a water feeding inner pipe 601, the lower end of the water feeding pipe connector 6 is provided with a water source connecting pipe 602, the outer diameter of the water feeding inner pipe 601 is smaller than the inner diameter of the train water feeding pipe 11, and the water feeding inner pipe 601 can be embedded into the train water feeding pipe 11 in the using process;
the plurality of transverse push-pull type electromagnets 5, the plurality of longitudinal push-pull type electromagnets 4 and the plurality of pressure sensors 7 are connected with a controller, and the controller is connected with the 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 firstly placed in an annular groove 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 sequentially placed on the movable limiting ring 9, 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 position is 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 matching connection; meanwhile, a plurality of pressure sensors 7 are triggered, the sensors transmit signals to a controller, and the controller controls a plurality of transverse push-pull type electromagnets 5 to push a push rod 501 to move transversely inwards under the driving of electric power, so that the lower end of a rubber sleeve 2 is extruded, the rubber sleeve 2 is transversely deformed, a lower annular retainer ring of a train water supply pipe 11 is further clamped, and the train water supply pipe 11 is difficult to move upwards; then the controller controls a plurality of longitudinal push-pull type electromagnets 4 to drive the connecting rod 401 under the drive of electric power, the clamping ring 3 longitudinally moves upwards to the outside of the conical protrusion 202, the conical protrusion 202 generates transverse deformation when the clamping ring 3 moves upwards to clamp the rubber sleeve due to the fact that the diameter of the lower end face of the conical protrusion is small, the diameter of the upper end face of the conical protrusion is large, and the inner wall of the rubber sleeve is clamped with the outer wall of the water feeding pipe of the train to achieve the sealing effect, then the controller controls the opening of the water inlet valve to enable the water feeding operation to be started.
When the water supply is finished, the controller closes the water inlet valve firstly, then drives the push rods or connecting rods on the transverse push-pull electromagnet 5 and the longitudinal push-pull electromagnet 4 to reset under the drive of electric power, and the train water supply pipe 11 is separated from the water supply inner pipe 601 and slides out of the water supply joint. When sudden conditions such as power failure occur, the push rod 501 on the transverse push-pull electromagnet 5 resets under the elastic action of the rubber sleeve, the connecting rod 401 on the longitudinal push-pull electromagnet 4 can reset under the action of gravity, and the train water supply pipe 11 is naturally separated from the automatic water supply joint and is placed in the original position by a water supply robot or manually.
According to the automatic water feeding joint of the railway passenger car, after water feeding is finished, the controller automatically controls the connecting rod or the push rod on the push-pull type electromagnet to reset, so that the separation of a water feeding pipe of the train and the water feeding joint is realized, and then the safety accident that the water feeding pipe is dragged after the train is started due to the fact that a worker forgets to remember that water feeding operation is finished and pulls down the water inlet pipe in time is effectively avoided.
Example 2: as shown in fig. 1 to 5, in the automatic water supply connector for a railway passenger car according to embodiment 1, a check valve 8 may be further disposed at the top of the water supply inner pipe 601 for controlling the flow direction of the inlet 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 each annular groove. During water supply operation, the water supply inner pipe 601 is inserted into the train water supply pipe 11, water flows through the water supply inner pipe 601 and directly flows into the train water supply pipe 11 in a one-way mode through the one-way valve plate 8, water is prevented from contacting other parts of the water supply joint of the railway passenger car, and water pollution is avoided.
Example 3: as shown in fig. 3, in the automatic water supply connector for railway carriages according to embodiments 1 and 2, a splicing portion connected to the protective cover 1 and the rubber sleeve 2 is disposed between the water supply inner pipe 601 and the water source connecting pipe 602, the splicing portion is in a trapezoidal cone shape, a connecting thread is disposed outside the water source connecting pipe 602, and the external thread can be used for connecting with a water inlet pipe. Wherein, the setting of trapezoidal taper concatenation portion can effectively improve the leakproofness between safety cover 1, gum cover 2, the 6 three of connector of watering, avoids the in-process of watering, appears the condition of leaking.
Example 4: further, in order to improve the applicability of the automatic water feeding joint, 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 joint is suitable for railway passenger train water feeding pipes with different specifications in a mode of clamping the rubber sleeve 2.
In conclusion, the automatic water supply joint of the railway passenger car is simple in structure, reasonable in design and simple and convenient to use and operate, PLC control can be carried out through the built-in pressure sensor and the push-pull type electromagnet to realize automatic water supply opening and closing, the automatic water supply joint can be matched with a water supply robot for use, manual work is replaced, and water supply efficiency and safety are improved; under accident states such as power failure, the push-pull electromagnet connecting rod can reset under the action of elasticity and gravity of the rubber sleeve, and the water feeding joint automatically falls off, so that the railway passenger car is prevented from dragging the water feeding pipe; the water-supply pipe can be matched with most of railway passenger car interfaces, has wide application range and avoids the problem of water leakage in the water supply process; arrange the interior pipe of water feeding in the safety cover, the pollutant is difficult to get into the interior pipe of water feeding to one-way valve block is established on interior pipe upper portion of water feeding, can avoid the pollutant to get into the interior pipe of water feeding, thereby avoids the pollutant to get into the passenger train water tank through water supply connector and influence quality of water.
In addition, it should be noted that the specific embodiments described in the present specification may differ in the shape of the components, the names of the components, and the like. All equivalent or simple changes of the structure, the characteristics and the principle of the invention which are described in the patent conception of the invention are included in the protection scope of the patent of the invention. Various modifications, additions and substitutions for the specific embodiments described may be made by those skilled in the art without departing from the scope of the invention as defined in the accompanying claims.
Claims (8)
1. An automatic water supply joint of a railway passenger car is characterized by comprising a protective cover (1), a rubber sleeve (2), a water supply pipe connector (6) and a controller;
the outer part of the protective cover (1) is cylindrical, the inner part of the protective cover (1) is of a cavity structure, and a plurality of limiting rings are arranged on the inner cavity wall of the protective cover (1) from top to bottom;
the outer part of the rubber sleeve (2) is of a ladder-shaped structure with a large caliber at the upper end and a small caliber at the lower end, the inner part of the rubber sleeve is an installation cavity of a water pipe (11) on a train, a conical bulge (202) is arranged on the outer wall of the rubber sleeve (2), the diameter of the upper end face of the conical bulge (202) is larger than that of the lower end face of the conical bulge, 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 face and the lower end face of the I-shaped structure and the rubber sleeve (2), and an;
the rubber sleeve (2) can be embedded into the protective cover (1) and is matched, connected and fixed with the 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);
the 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 the bottom opening of the protective cover (1), a push rod (501) is arranged on each transverse push-pull electromagnet (5), and the push rod (501) can extrude the outer wall of the rubber sleeve (2) under the drive of electric power to enable the rubber sleeve (2) to generate transverse deformation;
the bottom limiting ring (103) is further 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 type electromagnets (4) along the circumferential direction, the longitudinal push-pull type 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 that the conical protrusions (202) of the rubber sleeve generate transverse deformation;
the upper water pipe connector (6) can be embedded into the annular cavity of the I-shaped structure, the upper end of the upper water pipe connector (6) is provided with an upper water inner pipe (601), the lower end of the upper water pipe connector is provided with a water source connecting pipe (602), and the outer diameter of the upper water inner pipe (601) is smaller than the inner diameter of the train upper water pipe (11);
the transverse push-pull electromagnet (5), the longitudinal push-pull electromagnet (4) and the pressure sensor (7) are connected with the controller.
2. The automatic water supply connector of the railway passenger car as claimed in 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 as claimed in claim 1, characterized in that the internal diameter of said clamping ring (3) is greater than the external diameter of the water-supply pipe (11) of the train.
4. The automatic water feeding joint of the railway passenger car as claimed in claim 1, wherein the plurality of limiting rings further comprise a first limiting ring (101) arranged at the top of the inner wall of the protection cover (1) and a second limiting ring (102) arranged at the middle lower part of the inner wall of the protection cover (1), an annular protrusion (201) is arranged at the top of the rubber sleeve (2), an annular extension part (203) is arranged on the upper end surface of the conical protrusion (202), and the rubber sleeve (2) is fixedly connected with the first limiting ring (101) and the second limiting ring (102) of the protection cover (1) in a matching manner through the annular protrusion (201) and the annular extension part (203).
5. The automatic water supply joint of the railway passenger car as claimed in claim 4, wherein the lower end face of the I-shaped structure extends out of the rubber sleeve (2) and is connected with the bottom opening edge of the protective cover (1) in a sealing mode.
6. The automatic water supply connector of the railway passenger car as claimed in claim 1, wherein 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 trapezoid structure, and the water source connecting pipe (602) is externally provided with connecting threads.
7. The automatic water supply connector for the railway passenger car as claimed in claim 2, wherein the water supply inner pipe (601) is provided with a one-way valve (8).
8. The automatic water supply joint of the railway passenger car as claimed in claim 7, wherein the outer wall of the water supply inner pipe (601) is provided with a plurality of annular grooves, and the annular grooves are internally provided with sealing rings (10).
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 true CN111923940A (en) | 2020-11-13 |
| CN111923940B CN111923940B (en) | 2024-05-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010957616.3A Active CN111923940B (en) | 2020-09-11 | 2020-09-11 | Automatic water supply joint for railway passenger car |
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| CN111923940B (en) | 2024-05-17 |
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