CN110893838A - Integrated noise reduction valve box suitable for hump vehicle speed reducer - Google Patents
Integrated noise reduction valve box suitable for hump vehicle speed reducer Download PDFInfo
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- CN110893838A CN110893838A CN201911275210.0A CN201911275210A CN110893838A CN 110893838 A CN110893838 A CN 110893838A CN 201911275210 A CN201911275210 A CN 201911275210A CN 110893838 A CN110893838 A CN 110893838A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
- B60T17/002—Air treatment devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
- B60T17/18—Safety devices; Monitoring
- B60T17/22—Devices for monitoring or checking brake systems; Signal devices
- B60T17/228—Devices for monitoring or checking brake systems; Signal devices for railway vehicles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61H—BRAKES OR OTHER RETARDING DEVICES SPECIALLY ADAPTED FOR RAIL VEHICLES; ARRANGEMENT OR DISPOSITION THEREOF IN RAIL VEHICLES
- B61H11/00—Applications or arrangements of braking or retarding apparatus not otherwise provided for; Combinations of apparatus of different kinds or types
- B61H11/06—Applications or arrangements of braking or retarding apparatus not otherwise provided for; Combinations of apparatus of different kinds or types of hydrostatic, hydrodynamic, or aerodynamic brakes
- B61H11/10—Aerodynamic brakes with control flaps, e.g. spoilers, attached to the vehicles
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Abstract
The invention discloses an integrated noise reduction valve box suitable for a hump vehicle speed reducer, which realizes the miniaturization and integration of a control valve box through the reasonable layout of devices in the control valve box, so that the integrated noise reduction valve box can be suitable for the installation and the use of the hump marshalling station separated brake position and a target brake position of the vehicle speed reducer; the integrated noise reduction valve box integrates the functions of noise reduction, temperature control, heat preservation, valve box monitoring and the like of a control valve box, an accessory box and the valve box, effectively reduces the workload of field installation and maintenance, and ensures that the temperature in the box body meets the use requirement of electrical appliances; meanwhile, the integrated noise reduction valve box is additionally provided with a monitoring device and a noise reduction device in the box, so that field fault treatment and accident analysis are facilitated, and the problems of pollution of exhaust noise to the surrounding environment and the like are solved.
Description
Technical Field
The invention relates to an integrated noise reduction valve box, in particular to an integrated noise reduction valve box suitable for a hump vehicle speed reducer.
Background
The pneumatic gravity clamp type vehicle speed reducer taking air as a power source is installed in most railway hump marshalling stations in China. The key power control parts of the vehicle speed reducer are a control valve box and a pneumatic accessory box, and the reliability and the safety of the operation of the vehicle speed reducer are directly influenced by the performance of the vehicle speed reducer.
At present, pneumatic control and auxiliary elements are respectively installed in a control valve box and an auxiliary box, and the control valve box and the auxiliary box need to be connected in a hard pipe welding mode in the field installation and construction process. In the installation process, the welding slag, impurities or rust and the like are not completely treated and enter the reversing valve or the cylinder along with compressed gas, so that the faults of blockage of the reversing valve or damage of the cylinder and the like are caused; in addition, an open heating device is adopted for heating in the control valve box, and in winter with cold north, the temperature in the valve box cannot meet the actual use requirement even if a cold-proof cover and other heat preservation modes are used, so that the reversing valve of the vehicle speed reducer acts slowly or is blocked, and even safety accidents such as vehicle speed reducer clamping and sliding can be caused; in addition, in the action process of the vehicle retarder, evacuation noise with large sound pressure level is generated, and the working environment of a hump shunting yard and the living environment of surrounding residents are seriously influenced.
Disclosure of Invention
In order to solve the technical problems in the prior art, the invention aims to provide an integrated noise reduction valve box suitable for a hump vehicle speed reducer.
The purpose of the invention is realized by the following technical scheme:
an integrated noise reduction valve box suitable for a hump vehicle retarder, comprising: the device comprises an integrated pneumatic control box, a control box bracket and a noise reduction assembly; the integrated pneumatic control box is fixed on the control box bracket through bolts; the noise reduction assembly consists of a silencer assembly and a sound absorption assembly, the sound absorption assembly is fixed on the periphery and the bottom surface of the control box bracket through screws, and the silencer assembly is connected with an exhaust port of the integrated pneumatic control box through bolts;
wherein, the integrated pneumatic control box is integrated with a device installation box, a pneumatic element, an auxiliary element, a monitoring device and a heating device; the device control box is a closed heat-preservation space, and the monitoring device and the heating device are both arranged in the device installation box; the integrated pneumatic control box is provided with an air inlet, auxiliary elements and pneumatic elements are sequentially arranged from the air inlet, and the auxiliary elements and the pneumatic elements are integrated together and then are installed in the same integrated pneumatic control box.
According to the technical scheme provided by the invention, the integrated noise reduction valve box integrates the functions of noise reduction, temperature control, heat preservation, valve box monitoring and the like of the control valve box, the accessory box and the valve box through the reasonable layout of devices in the control valve box, realizes the miniaturization and integration of the control valve box, and effectively reduces the workload of field installation and maintenance; the heat-insulating layer and the temperature control device are arranged in the integrated noise reduction valve box, so that the service temperature of electric appliances in the control valve box can be ensured in cold winter, and the integrated noise reduction valve box has obvious energy-saving and environment-friendly effects; the integrated noise reduction valve box is provided with an in-box monitoring device, so that parameters such as current, voltage, temperature, action times and the like in the control valve box can be monitored in real time, and recorded data can be stored, thereby being beneficial to field fault treatment and accident analysis; the integrated noise reduction valve box is provided with the noise reduction device of the valve box, so that the emptying noise of the valve box is effectively reduced, and the problem of noise pollution of a vehicle speed reducer to the surrounding environment is reduced; the integrated noise reduction valve box is suitable for mounting and using a vehicle speed reducer of a hump marshalling station at an interval braking position and a target braking position.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on the drawings without creative efforts.
FIG. 1 is a schematic diagram of an integrated noise reduction valve box suitable for a hump vehicle retarder according to an embodiment of the present invention; the system comprises an integrated pneumatic control box 1, a control box support 2 and a noise reduction assembly 3.
FIG. 2 is a schematic diagram of an integrated pneumatic control box according to an embodiment of the present invention; 101-a box cover, 102-an insulating layer, 103-a monitoring device, 104-a device mounting plate, 105-a connecting pipe fitting, 106-three side plates, 107-a box body, 108-a three-position five-way valve, 109-an oil atomizer, 110-a filter, 111-a U-shaped sealing element, 112-a valve plate assembly, 113-a heating device, 114-a box side door, 115-a box cover locking and pressing device;
FIG. 3 is a schematic view of a housing provided in accordance with an embodiment of the present invention; wherein, 107-box body, 31-box side door sealing element bracket, 32-upper rotary shaft seat, 33-lower rotary shaft seat and 34-locking bolt;
FIG. 4 is a schematic view of a tank side door provided in accordance with an embodiment of the present invention; the device comprises a 41-box side door rotating shaft, a 114-box side door, a 42 locking shaft fixing seat, a 43 unlocking spring and a 44 locking shaft, wherein the box side door rotating shaft is arranged on the box side door;
FIG. 5 is a schematic view of a control box support provided in accordance with an embodiment of the present invention; wherein, the steel is 51-angle steel, 52-horizontal square steel and 53-vertical square steel;
FIG. 6 is a schematic view of a muffler assembly provided by an embodiment of the present invention; the noise reduction device comprises an end cover 61, a secondary small hole noise elimination unit 62, a primary pressure reduction noise elimination unit 63 and a rubber gasket 64;
FIG. 7 is a schematic view of a sound absorbing assembly provided by an embodiment of the present invention; the steel plate comprises 71-front and rear side steel plates, 72-angle steel, 73-foam metal, 74-fixing strips and 75-left and right side steel plates.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
In order to solve the technical problems in the prior art, an embodiment of the present invention provides an integrated noise reduction valve box suitable for a hump vehicle retarder, as shown in fig. 1, which is a right side view of a cross section of the integrated noise reduction valve box, and the integrated noise reduction valve box mainly includes: the device comprises an integrated pneumatic control box 1, a control box bracket 2 and a noise reduction assembly 3; the pneumatic control case 1 that integrates passes through the bolt fastening on control box support 2, and noise reduction component 3 comprises silencer subassembly and sound absorption subassembly, and the sound absorption subassembly passes through the fix with screw around control box support 2 and the bottom surface, and the silencer subassembly passes through the bolt and couples with the gas vent that integrates pneumatic control case 1. The integrated pneumatic control box 1, the control box bracket 2 and the noise reduction assembly 3 are assembled through standard parts, and an integrated noise reduction valve box is formed together.
These three sections will be described in detail below.
First, integrate pneumatic control box.
In the embodiment of the invention, the integrated pneumatic control box is integrated with a device installation box, a pneumatic element, an auxiliary element, a monitoring device and a heating device. The device control box is a closed heat-preservation space, and the monitoring device and the heating device are both arranged in the device installation box; the integrated pneumatic control box is provided with an air inlet, auxiliary elements and pneumatic elements are sequentially arranged from the inlet, and the auxiliary elements and the pneumatic elements are integrated together and then are installed in the same integrated pneumatic control box 1.
As shown in fig. 2, a front view and a right side view of the integrated pneumatic control box are shown. The device installation box mainly comprises: the box cover 101, the insulating layer 102, the device mounting plate 104, the three side plates 106, the box body 107, the U-shaped sealing member 111, the box side door 114, the box cover locking and pressing device 115, and the box side door pressing device (not shown in fig. 2) which is composed of the locking bolt 34, the locking shaft fixing seat 42, the unlocking spring 43, and the locking shaft 44 (the related structure will be described later), as shown in fig. 4. The auxiliary element includes: a filter 109 and an oil atomizer 110; the pneumatic element comprises: three-position five-way valve 108, valve plate assembly 112, and coupling tube 105.
The heat preservation layer 102 is arranged on the inner side surface of the box body 107, the upper surface of the device mounting plate 104, the surfaces of the three side plates 106, the inner side surface of the box cover 101 and the inner side surface of the box side door 114 to form a closed heat preservation space, so that the box body can guarantee the proper temperature in the box in winter, and meanwhile, the heat preservation layer has the functions of energy conservation and environmental protection.
The monitoring device 103 and the heating device 113 are mounted on the device mounting board 104; the box cover 101 and the box body 107 are sealed by a U-shaped sealing piece 111 and a box cover locking and pressing device 115, and the box body 107 and the box side door 114 are sealed by a U-shaped sealing strip 111 and a box side door pressing device, so that the requirement of box body sealing grade IP65 is met.
The auxiliary element mainly comprises: a filter 110 and an oil atomizer 109; the pneumatic element comprises: three-position five-way valve 108, valve plate assembly 112 and coupling tube 105; the auxiliary element and the pneumatic element are integrated together and are arranged in the same integrated pneumatic control box 1; from the air inlet, a filter 110, an oil atomizer 109, a connecting pipe fitting 105, a valve plate assembly 112 and a three-position five-way valve 108 are sequentially arranged, the connecting pipe fitting 105 and the valve plate assembly 112 are assembled and welded, the three-position five-way valve 108 is arranged on the valve plate assembly 112 through a bolt, and the valve plate assembly 112 is connected with an appliance control box through welding or bolt connection. After the air source sequentially passes through the auxiliary element and the pneumatic element from the air inlet, the transmission and the reversing of the power of the air source are realized; the monitoring device of the integrated pneumatic control box is used for detecting the current and voltage of the electromagnetic valve in the control valve box, controlling and monitoring the temperature in the box and the like, recording and storing parameters such as the current, the voltage, the temperature, the action times and the like, and analyzing and processing the faults of the vehicle speed reducer; the heating device of the integrated pneumatic control box is used for adjusting the temperature in the control valve box and ensuring the service temperature of devices in the control valve box in cold winter.
As shown in fig. 3, the box 107 is formed by assembling and welding a box bottom plate, a box bending body and a front side surface; the front side surface of the box body is provided with a maintenance window for maintaining the auxiliary element of the valve box; in order to ensure the sealing performance of the box body, a box side door sealing element bracket 31 is welded at a window of the front side surface of the box body so as to install a U-shaped sealing strip 111; the front side surface is welded with an upper rotating shaft seat 32 and a lower rotating shaft seat 33 which are used for installing a rotating shaft of a box side door and a box side door pressing device; the upper rotary shaft seat 32 is also provided with a locking bolt 34, and the locking and sealing of the box side door 114 are realized by pushing a locking shaft on the box side door 114.
As shown in fig. 4, the box side door rotating shaft 41 is mounted on the box side door 114 by screws and is mounted on the upper rotating shaft seat 32 on the front side surface of the box body; the locking device of the side door of the container consists of a locking shaft fixing seat 42, an unlocking spring 43, a locking shaft 44 and a locking bolt 34 on the container body, when the side door 114 of the container needs to be locked, the side door 114 of the container is pressed tightly, the locking bolt 34 is screwed tightly, and the locking shaft 44 is pushed to the lower shaft base 33 hole of the container body; when it is necessary to open the tank side door 114, the lock bolt 34 is loosened, and the lock shaft 44 is loosened by the unlock spring 43, thereby opening the tank side door 114.
And II, a control box bracket.
As shown in fig. 5, the control box bracket is formed by welding angle steel 51 and square steel (horizontal square steel 52 and vertical square steel 53 in fig. 5), and the integrated pneumatic control box 1 and the ground foundation are installed through the angle steel 51; the noise reduction assembly 3 is composed of a silencer assembly and a sound absorption assembly, and the sound absorption assembly is fixed on the periphery and the bottom surface of the control box support 2 through screws, so that a gap is formed between the sound absorption assembly and the silencer assembly, and noise emitted by the silencer assembly is further absorbed.
And thirdly, a noise reduction component.
The noise reduction assembly includes: silencer subassembly and sound absorption subassembly.
As shown in fig. 6, the muffler assembly includes: an end cover 61, a primary pressure reduction noise elimination unit 63, a secondary small hole noise elimination unit 62 and a rubber gasket 64. The end cover 61 is fixed on the second-stage small-hole silencing unit 62 through screws, the assembled second-stage small-hole silencing unit 62 is sleeved on the outer side of the first-stage decompression silencing unit 63, and the assembled second-stage small-hole silencing unit and the rubber gasket 64 are installed at an exhaust port of a valve plate assembly of the integrated pneumatic control box through bolts.
The first-stage pressure reduction noise elimination unit 63 is formed by processing the exhaust port of the integrated pneumatic control box with diameters of N1 mm-N2 mm in the radial direction and the axial direction (for example,
) Small holes, axially adjacent small holes are processed in a staggered mode to form quincuncial holes, the hole pitch between the adjacent small holes is not less than S1 times (for example, 2 times) of the diameter of the small holes, and the total area of the small holes is not less than S2 times (for example, 1.5 times) of the area of the section of the exhaust port; the second-stage small-hole silencing unit 62 is made of steel plate or stainless steelThe plate is rolled into a cylindrical cylinder and sleeved outside the first-stage pressure reduction and noise elimination unit, the diameter of the cylinder is N3 mm-N4 mm (for example,
) The small holes are uniformly distributed along the radial direction and the axial direction of the cylinder, the adjacent small holes in the axial direction are processed in a staggered mode to form quincunx holes, the hole pitch between the adjacent small holes is not less than S3 times (for example, 5 times) of the diameter of the small holes, and the total area of the small holes is not less than S2 times (for example, 1.5 times) of the total area of the small holes in the first-stage pressure reduction noise elimination unit.
Under the action of the first-stage pressure reduction and noise elimination unit 63, the pressure of the exhaust port is reduced, and auxiliary noise elimination is carried out at the same time; then, frequency shift is carried out under the action of the secondary small hole silencing unit 62, and noise in a sensitive frequency range is shifted to a high-frequency range which cannot be heard by human ears, so that exhaust noise is further reduced. The sound absorption assembly consists of foam metal, angle steel and a steel plate, wherein the foam metal is fixed on the angle steel through bolts, and the angle steel is welded on the steel plate, so that a back cavity is formed between the foam metal and the steel plate; the sound absorption components are fixed on the periphery and the bottom surface of the control box bracket, and the upper parts of the sound absorption components on two sides are provided with air vents and rainproof devices.
As shown in part (a) of fig. 7, the sound absorption member absorbs sound by forming a back cavity by the front and rear side steel plates 71, the left and right side steel plates 75 and the metal foam 73; the angle steel 72 is welded to the front and rear side steel plates 71 and the left and right side steel plates 75, and the foamed metal 73 is fixed to the angle steel 72 by the fixing strips 74 and the screws, so that an energy consumption cavity is formed, and the noise of gas exhausted from the muffler assembly is further reduced. As shown in fig. 7 (b), the left and right side steel plates 75 are provided with air outlet windows through which air exhausted from the valve box can pass without hindrance, and the air outlet windows are provided with rain covers so that external rain water cannot enter the noise reduction assembly.
The noise reduction assembly 43 is composed of a silencer assembly and a sound absorption assembly, the sound absorption assembly is fixed on the periphery and the bottom surface of the control box support 2 through screws, and the silencer assembly is connected with an exhaust port of the integrated pneumatic control box 1 through bolts, so that a gap is formed between the sound absorption assembly and the silencer assembly, and high-frequency noise exhausted by the silencer assembly is further absorbed.
In fig. 6 to 7, the hump vehicle retarder has a relatively bad field use environment, much dust, variable humidity, lubricating oil and the like, and therefore, the action time of the vehicle retarder is affected due to the fact that the exhaust of the integrated noise reduction valve box is not smooth. Therefore, the designed noise reduction assembly device is convenient to disassemble and clean
The invention provides an integrated noise reduction valve box suitable for a hump vehicle speed reducer, which has the following beneficial effects:
1) compared with the existing split type control valve box and the auxiliary box, the integrated noise reduction valve box integrates the reasonable layout of devices in the control valve box, the auxiliary box and the valve box, integrates the functions of noise reduction, temperature control, heat preservation, valve box monitoring and the like, realizes the miniaturization and integration of the control valve box, is convenient to install and use on site, has low fault rate, and can be simultaneously suitable for the installation and the use of the vehicle speed reducer of an interval brake position and a target brake position.
2) Different with the complete open heating of current control valve case, the valve case that makes an uproar that integrates is inside to be equipped with heat preservation and temperature control device, still can keep the service temperature of device in the control valve case in cold winter, simultaneously, because the temperature control device has been installed to the incasement, when the incasement temperature reaches the highest or minimum setting value, can stop or start heating device, has obvious energy-concerving and environment-protective effect.
3) Different from the existing control valve box, the integrated noise reduction valve box is provided with the monitoring device in the box, so that parameters such as current, voltage, temperature, action times and the like in the control valve box can be monitored in real time, recorded data are stored, and field fault treatment and accident analysis are facilitated.
4) The design of the integrated noise reduction valve box meets the requirements of field operation, and the box cover and the front side door are respectively arranged on the control box, so that the maintenance of reversing valves, monitoring devices, electric appliance wiring, pneumatic auxiliary elements and the like on site is facilitated.
5) The noise reduction assembly of the integrated noise reduction valve box can effectively reduce evacuation noise of the valve box, the noise elimination effect reaches more than 20 decibels, the problem of noise pollution of a vehicle speed reducer to the surrounding environment is solved, and meanwhile, the noise reduction assembly is convenient to disassemble and clean.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (8)
1. The utility model provides a fall valve case of making an uproar integrates suitable for hump vehicle retarder which characterized in that includes: the device comprises an integrated pneumatic control box, a control box bracket and a noise reduction assembly; the integrated pneumatic control box is fixed on the control box bracket through bolts; the noise reduction assembly consists of a silencer assembly and a sound absorption assembly, the sound absorption assembly is fixed on the periphery and the bottom surface of the control box bracket through screws, and the silencer assembly is connected with an exhaust port of the integrated pneumatic control box through bolts;
wherein, the integrated pneumatic control box is integrated with a device installation box, a pneumatic element, an auxiliary element, a monitoring device and a heating device; the device control box is a closed heat-preservation space, and the monitoring device and the heating device are both arranged in the device installation box; the integrated pneumatic control box is provided with an air inlet, auxiliary elements and pneumatic elements are sequentially arranged from the air inlet, and the auxiliary elements and the pneumatic elements are integrated together and then are installed in the same integrated pneumatic control box.
2. The integrated noise reduction valve box suitable for a hump vehicle retarder according to claim 1, wherein the device mounting box comprises: the device comprises a box cover, a heat insulation layer, a device mounting plate, three side plates, a box body, a U-shaped sealing element, a box side door pressing device and a box cover locking and pressing device;
the heat preservation layer is arranged on the inner side surface of the box body, the upper surface of the device mounting plate, the surfaces of the three side plates, the inner side surface of the box cover and the inner side surface of the box side door to form a closed heat preservation space;
the monitoring device and the heating device are arranged on the device mounting plate; the box cover and the box body are sealed through a U-shaped sealing piece and a box cover locking and pressing device, and the box body and the box side door are sealed through a U-shaped sealing strip and a box side door pressing device.
3. The integrated noise reduction valve box suitable for the hump vehicle speed reducer according to claim 2, wherein the box body is formed by assembling and welding a box body bottom plate, a box body bending body and a front side surface; the front side surface of the box body is provided with a maintenance window for maintaining the auxiliary element of the valve box; welding a box side door sealing element bracket at a window on the front side surface of the box body so as to install a U-shaped sealing strip; an upper rotating shaft seat and a lower rotating shaft seat are welded on the front side surface of the box body, and are used for installing a rotating shaft of a box side door and a box side door pressing device; the upper rotating shaft seat is also provided with a locking bolt, and the locking bolt can realize the locking and sealing of the box side door by pushing the locking shaft on the box side door.
The inner side surface of the box body is welded with a mounting plate bracket, a side surface bracket and a bottom surface bracket which are used for mounting a device mounting plate and three side plates.
4. The integrated noise reduction valve box suitable for the hump vehicle retarder according to claim 3, wherein the box side door pressing device comprises: the locking shaft fixing seat, the unlocking spring, the locking shaft and the locking bolt on the box body; when the side door of the box needs to be locked, the side door of the box is tightly pressed, the locking bolt is tightened, and the locking shaft is pushed to the lower shaft rotating seat hole of the box body; when the side door of the box needs to be opened, the locking bolt is loosened, and the locking shaft is loosened under the action of the unlocking spring, so that the side door of the box is opened.
5. An integrated noise reduction valve box suitable for a hump vehicle retarder according to claim 1, characterized in that the auxiliary element comprises: a filter and an oil atomizer; the pneumatic element comprises: the three-position five-way valve comprises a three-position five-way valve, a valve plate assembly and a connecting pipe fitting; the auxiliary element and the pneumatic element are integrated and mounted in the same box body; the filter, the oil atomizer, the connecting pipe fitting, the valve plate assembly and the three-position five-way valve are sequentially arranged from the air inlet, the connecting pipe fitting and the valve plate assembly are welded, the three-position five-way valve is arranged on the valve plate assembly through a bolt, and the valve plate assembly is connected with the device control box through a welding or bolt connecting mode.
6. The integrated noise reduction valve box suitable for the hump vehicle speed reducer according to claim 1 or 5, wherein an air source sequentially passes through an auxiliary element and a pneumatic element from an air inlet to realize transmission and reversing of power of the air source; the monitoring device of the integrated pneumatic control box is used for detecting the current and the voltage of the electromagnetic valve in the integrated pneumatic control box, controlling and monitoring the temperature in the box, recording and storing the current, the voltage, the action times and the temperature parameters, and analyzing and processing faults; the heating device of the integrated pneumatic control box is used for adjusting the temperature in the integrated valve box.
7. The integrated noise reduction valve box suitable for the hump vehicle speed reducer according to claim 1, wherein a control box bracket is formed by welding angle steel and square steel, and an integrated pneumatic control box and a ground foundation are installed through the angle steel; the sound absorption assembly in the noise reduction assembly is installed on the periphery and the bottom of the control box support through bolts, and the silencer assembly is connected with an exhaust port of the integrated pneumatic control box through bolts.
8. An integrated noise reduction valve manifold for a hump vehicle retarder according to claim 1, wherein said noise reduction assembly comprises: a muffler assembly and a sound absorption assembly; wherein:
the muffler assembly includes: the end cover, the first-stage pressure reduction silencing unit, the second-stage small hole silencing unit and the rubber gasket; the end cover is fixed on the secondary small hole silencing unit through a screw, the assembled secondary small hole silencing unit is sleeved outside the primary decompression silencing unit and is arranged at an exhaust port of a valve plate assembly of the integrated pneumatic control box together with the rubber gasket through a bolt; the first-stage pressure reduction silencing unit is used for processing small holes with the diameter of N1 mm-N2 mm on the exhaust port of the integrated pneumatic control box along the radial direction and the axial direction, and adjacent small holes in the axial direction are processed in a staggered mode to form quincunx holes, the hole distance between the adjacent small holes is not less than S1 times of the diameter of the small holes, and the total area of the small holes is not less than S2 times of the area of the section of the exhaust port; the second-stage small hole silencing unit is a cylindrical cylinder rolled by a steel plate or a stainless steel plate, is sleeved outside the first-stage pressure reduction silencing unit, small holes with the diameter of N3 mm-N4 mm are machined in the cylinder and are uniformly distributed along the radial direction and the axial direction of the cylinder, adjacent small holes in the axial direction are processed in a staggered mode to form quincuncial holes, the hole pitch between the adjacent small holes is not less than S3 times of the diameter of the small holes, and the total area of the small holes is not less than S2 times of the total area of the small holes in the;
the sound absorption assembly consists of foam metal, angle steel and a steel plate, wherein the foam metal is fixed on the angle steel through bolts, and the angle steel is welded on the steel plate, so that a back cavity is formed between the foam metal and the steel plate; the sound absorption components are fixed on the periphery and the bottom surface of the control box bracket, and the upper parts of the sound absorption components on two sides are provided with air vents and rainproof devices.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911275210.0A CN110893838A (en) | 2019-12-12 | 2019-12-12 | Integrated noise reduction valve box suitable for hump vehicle speed reducer |
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| CN201911275210.0A CN110893838A (en) | 2019-12-12 | 2019-12-12 | Integrated noise reduction valve box suitable for hump vehicle speed reducer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112622861A (en) * | 2020-11-03 | 2021-04-09 | 中国铁道科学研究院集团有限公司通信信号研究所 | Monitoring system of vehicle retarder |
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2019
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112622861A (en) * | 2020-11-03 | 2021-04-09 | 中国铁道科学研究院集团有限公司通信信号研究所 | Monitoring system of vehicle retarder |
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