CN106740773A - A kind of rolling stock and its weighing valve - Google Patents
A kind of rolling stock and its weighing valve Download PDFInfo
- Publication number
- CN106740773A CN106740773A CN201611076053.7A CN201611076053A CN106740773A CN 106740773 A CN106740773 A CN 106740773A CN 201611076053 A CN201611076053 A CN 201611076053A CN 106740773 A CN106740773 A CN 106740773A
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- Prior art keywords
- weighing
- spring
- gear piece
- valve
- gear
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- 238000005303 weighing Methods 0.000 title claims abstract description 136
- 238000005096 rolling process Methods 0.000 title claims abstract description 19
- 238000007789 sealing Methods 0.000 claims abstract description 3
- 230000013011 mating Effects 0.000 claims description 11
- 230000005540 biological transmission Effects 0.000 claims description 5
- 230000035945 sensitivity Effects 0.000 abstract description 6
- 238000005259 measurement Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 15
- 238000012856 packing Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910000639 Spring steel Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
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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
- B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
- B60T8/18—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to vehicle weight or load, e.g. load distribution
- B60T8/1837—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to vehicle weight or load, e.g. load distribution characterised by the load-detecting arrangements
-
- 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
- B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
- B60T8/18—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to vehicle weight or load, e.g. load distribution
- B60T8/1893—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to vehicle weight or load, e.g. load distribution especially adapted for railway vehicles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K51/00—Other details not peculiar to particular types of valves or cut-off apparatus
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- General Engineering & Computer Science (AREA)
- Valves And Accessory Devices For Braking Systems (AREA)
- Hydraulic Control Valves For Brake Systems (AREA)
Abstract
The invention discloses a kind of weighing valve of rolling stock, valve element, piston including valve body and in the valve body, weigh spring and the trundle that is connected between the piston and the spring of weighing, the trundle is used to for the stress of the spring of weighing to be transferred to the piston, also include the lamina membranacea of the sealing valve core cavity, the lamina membranacea passes through lamina membranacea seat supports；The lamina membranacea seat is fixed in the outward flange of the spring of weighing, so that this is weighed, the stress model of spring can be reduced to cantilever beam, its stress is simpler, the relation of car load and pressure signal can accurately determine, and the spring of weighing in cantilever beam structure also has the advantages that amount of deflection is larger, so as to improve the sensitivity of weighing valve measurement.The invention also discloses a kind of rolling stock including the weighing valve.
Description
Technical field
The present invention relates to rail vehicle technical field, more particularly to a kind of rolling stock and its weighing valve.
Background technology
To ensure the traffic safety of railway freight-car, most railway freight-cars are equipped with empty and load brake equipment, with according to vehicle weight
Measure to adjust the pressure of checking cylinder.Weighing valve is played as a part for railway freight-car empty and load brake equipment to traffic safety
Vital effect.Weighing valve exports different pressure signals by the weight of directly weighing lorry, and pressure signal is entered into
Adjustment valve in empty and load brake equipment, adjustment valve exports different brake-cylinder pressures according to different pressure signals.Lorry weight
Amount is bigger, and the pressure signal of weighing valve output is bigger, and then the brake-cylinder pressure of adjustment valve output is bigger, to reach braking
The purpose that cylinder pressure increases and increases with vehicle weight.
At present, existing vehicle weighing valve and its operation principle as Figure 1-4, wherein, Fig. 1 is railway in the prior art
The structural representation of lorry weighing valve；Fig. 2 is the stress diagram of spring original state of being weighed in Fig. 1；Fig. 3 is spring of being weighed in Fig. 1
The stress diagram of inflated condition；Fig. 4 is the stress diagram of spring packing state of being weighed in Fig. 1.The core of weighing valve in Fig. 1
Part is the ＇ of spring 3 that weighs, and the ＇ of spring 3 that weighs is to be slotted to be formed by coil component spring steel plate, and its middle part has mating holes, the mating holes and biography
Pass the ＇ of pin 5 to be adapted so that the deformation of the ＇ of spring 3 that weighs is transferred to the ＇ of upper piston 6 by the ＇ of passing pin 5.
When railway freight-car does not receive car load Q ＇, the ＇ of spring 3 that weighs does not deform, intake valve port A ＇ and exhaust valve port B ＇
Closed by the ＇ of sandwich valve 8, wherein, the stress of the ＇ of spring 3 that weighs is as shown in Figure 2.
When rolling stock is subject to upward car load Q ＇, as shown in figure 1, the ＇ of lower piston 2 passes through the ＇ of support ring 4 to weighing
The ＇ of spring 3 exerts a force, and the ＇ stress of spring 3 of weighing deforms, as shown in figure 3, the ＇ of mating holes 31 drives the ＇ of passing pin 5, the ＇ of upper piston 6, the ＇ of push rod 7
And the ＇ of sandwich valve 8 is moved upwards so that intake valve port A ＇ are opened, weighing valve is in and fills wind state.Now, compressed air pass through into
Valve port while A ＇ enter the top seal chamber of the ＇ of upper piston 6, and the pressure of the annular seal space is pressure signal T ＇.
As compressed air constantly enters annular seal space, pressure signal T ＇ constantly increase, and pressure signal T ＇ pass through upper piston
The 6 ＇ and ＇ of passing pin 5 apply downward active force to the edge of the ＇ of spring 3 that weighs so that the ＇ stress of spring 3 of weighing and deformation are as shown in Figure 4.
Meanwhile, the ＇ of the push rod 7 and ＇ of sandwich valve 8 is moved downward in the presence of the ＇ of push rod spring 9 and the ＇ of sandwich valve spring 10 respectively, until entering
Valve port while A ＇ are closed, and now, weighing valve fills wind to be terminated, and are balanced in packing state, i.e. car load Q ＇ and pressure signal T ＇.
But, as in Figure 2-4, the above-mentioned ＇ of spring 3 that weighs is supported by the ＇ of support ring 4 at lower two ends disposed thereon, its stress
Model equivalent to overhanging beam, therefore, when this weigh the ＇ overhanging ends of spring 3 by car load Q ＇ and pressure signal T ＇ when, its deformation
Influenceed by one end stress between the ＇ of two support ring 4, cause the relation between car load Q ＇ and pressure signal T ＇ more complicated,
It is difficult to accurate determination.Meanwhile, the overhanging girder construction weigh 3 ＇ stress of spring when, its amount of deflection is smaller, the deformation of the ＇ of spring 3 that causes to weigh
Sensitivity is relatively low, is unfavorable for transmission car load Q ＇.
In view of the defect that above-mentioned weighing valve is present, it would be highly desirable to which it is simpler to provide one kind spring stress relation of weighing, and deforms sensitive
Degree weighing valve higher.
The content of the invention
In order to solve the above technical problems, the first object of the present invention is to provide a kind of spring of weighing of rolling stock, this is weighed
Lamina membranacea seat is fixed in the outward flange of spring, so that this is weighed, the stress model of spring can be reduced to cantilever beam, and its stress is simpler,
The relation of car load and pressure signal can accurately determine, and spring of weighing in cantilever beam structure also has larger excellent of amount of deflection
Point, so as to improve the sensitivity of weighing valve measurement.The second object of the present invention is to provide a kind of railcar including the weighing valve
.
In order to realize the first object of the present invention, a kind of weighing valve of rolling stock of present invention offer, including valve body and set
In the valve element in the valve body, piston, weigh spring and the trundle that is connected between the piston and the spring of weighing, the biography
Dynamic pin is used to for the stress of the spring of weighing to be transferred to the piston, also including the lamina membranacea of the sealing valve core cavity, the film
Plate passes through lamina membranacea seat supports；The lamina membranacea seat is fixed in the outward flange of the spring of weighing.
It is arranged such, in the present embodiment, because lamina membranacea seat is fixed in the outward flange of spring of weighing so that the stress of the spring of weighing
Model simplification is cantilever beam, it will be understood that compared to the spring of weighing for being in the prior art overhanging beam, weighed in the present invention in outstanding
Its fulcrum of the structure of arm beam is less, and stress is simpler, and the relation between car load and pressure signal can accurately determine, so that
So that weighing valve measurement is more accurate.
In addition, spring of the weighing spring of weighing of the prior art in the present invention is compared, when the two stress is identical, in the present invention
Spring amount of deflection of weighing it is larger, i.e., its deformation sensitivity it is higher, so as to improve the performance of the weighing valve.
Alternatively, the spring middle part of weighing offers the mating holes coordinated with the trundle, is further opened with some along footpath
To the gear piece groove for extending, each gear piece groove is uniformly distributed, and the spring of weighing is divided into some gear pieces.
Alternatively, the gear piece includes some first gear pieces and the second gear piece, and radially, the length of first gear piece is big
In the length of second gear piece, the edge mate of the trundle and first gear piece, and with the side of second gear piece
Edge has predetermined gap.
Alternatively, first gear piece and the spaced setting of the second gear piece, and gear piece sum is described the
The integral multiple of one gear piece number.
Alternatively, first gear piece and second gear piece are respectively uniformly distributed in the spring of weighing, and adjacent described
The second gear piece number between first gear piece is identical.
Alternatively, the number of first gear piece is 3, and the number of second gear piece is 9.
Alternatively, the inward flange of first gear piece has towards the inclined-plane of the trundle.
Alternatively, the spring outward flange of weighing offers some bolts hole, for the lamina membranacea seat bolt connection.
Alternatively, the bolt hole number is identical with the gear piece groove number, and connects with the corresponding gear piece groove respectively
It is logical.
In order to realize the second object of the present invention, the present invention also provides a kind of rolling stock, including bogie and mutually interconnects
Logical weighing valve, checking cylinder, adjustment valve and auxiliary reservoir, wherein, the weighing valve is located on the bogie spring of the bogie,
And be above-described weighing valve.
Brief description of the drawings
Fig. 1 is the structural representation of railway freight-car weighing valve in the prior art；
Fig. 2 is the stress diagram of spring original state of being weighed in Fig. 1；
Fig. 3 is the stress diagram of spring inflated condition of being weighed in Fig. 1；
Fig. 4 is the stress diagram of spring packing state of being weighed in Fig. 1；
Fig. 5 is the partial structural diagram that weighing valve provided by the present invention is installed on bogie；
Fig. 6 is the schematic diagram that weighing valve provided by the present invention is weighed for rolling stock；
Fig. 7 is the sectional view of weighing valve in Fig. 5；
Fig. 8 is the structural representation of spring of being weighed in Fig. 7；
The structural representation that Fig. 9 is connected for spring of being weighed in Fig. 7 with lamina membranacea seat；
Figure 10 is the dorsal view of Fig. 9；
Figure 11 is the stress diagram of spring original state of being weighed in Fig. 7；
Figure 12 is the stress diagram of spring inflated condition of being weighed in Fig. 7；
Figure 13 is the stress diagram of spring packing state of being weighed in Fig. 7.
In Fig. 1-4：
1 ＇ valve bodies, 2 ＇ lower pistons, 3 ＇ weigh spring, 31 ＇ mating holes, 4 ＇ support rings, 5 ＇ passing pins, 6 ＇ upper pistons, 7 ＇ push rods,
8 ＇ sandwiches valves, 9 ＇ push rod spring, 10 ＇ sandwich valve springs；
Q ＇ car loads, T ＇ pressure signals, A ＇ intake valve ports, B ＇ exhaust valve ports.
In Fig. 5-13：
1 weighing valve, 11 valve bodies, 111 first pipe joints, 112 second pipe joints, 113 lower covers, 12 pistons, 13 weigh spring,
131 first gear pieces, 132 second gear pieces, 133 gear piece grooves, 134 bolts hole, 135 mating holes, 14 lamina membranaceas seat, 141 lamina membranaceas, 15 transmissions
Pin, 16 sandwich valves, 17 push rods, 171 push rod springs, 18 push rods, 181 push rod spring, 19 valve elements；
2 bogies, 21 bogie springs, 3 adjustment valves, 4 checking cylinders, 5 auxiliary reservoirs；
Q car loads, T pressure signals, A intake valve ports, B exhaust valve ports.
Specific embodiment
In order that those skilled in the art more fully understands technical scheme, it is below in conjunction with the accompanying drawings and specific real
The present invention is described in further detail to apply example.
Accompanying drawing 5-13 is refer to, wherein, Fig. 5 is the partial structurtes signal that weighing valve provided by the present invention is installed on bogie
Figure；Fig. 6 is the schematic diagram that weighing valve provided by the present invention is weighed for rolling stock；Fig. 7 is the sectional view of weighing valve in Fig. 5；
Fig. 8 is the structural representation of spring of being weighed in Fig. 7；The structural representation that Fig. 9 is connected for spring of being weighed in Fig. 7 with lamina membranacea seat；Figure 10 is
The dorsal view of Fig. 9；Figure 11 is the stress diagram of spring original state of being weighed in Fig. 7；Figure 12 is spring inflated condition of being weighed in Fig. 7
Stress diagram；Figure 13 is the stress diagram of spring packing state of being weighed in Fig. 7.
In a kind of specific embodiment, the present invention provides a kind of weighing valve 3 of rolling stock, as shown in fig. 7, the weighing valve
3 include valve body 11 and the valve element 19 in valve body 11, piston 12 and spring 13 of weighing, wherein, the inside of valve element 19 have push rod 17,
Push rod 18, the motion for transmitting piston 12, and the outside of push rod 17 is provided with push rod spring 171, the upper end of push rod 18 is provided with push rod bullet
Spring 181, when piston 12 is moved, drives connected push rod 17 to move in the presence of push rod spring 171, and then drives push rod
18 and push rod spring 181 move.
Meanwhile, there is the lamina membranacea 141 for being connected to the lower end of piston 12 between push rod 17 and piston 12, and lamina membranacea 141 passes through film
Panel seat 14 is supported, the spool chamber for closing valve element 19.
In addition, the weighing valve 1 also includes the trundle 15 of connection piston 12 and spring 13 of weighing, for receiving spring 13 of weighing
, to piston 12, the lower end of valve body 11 is closed by lower cover 113 for power and displacement transfer.Valve body 11 is further opened with the first pipe joint 111
With the second pipe joint 112, wherein, the first pipe joint 111 is used to connect adjustment valve 3, and the second pipe joint 112 is used to connect auxiliary reservoir
5, for being passed through compressed air, weighing valve 1 obtains different pressure signal T by the weight of directly weighing lorry, and by this
First pipe joint 111 is transferred to adjust valve 3, and adjustment valve 3 exports different according to different pressure signal T by sandwich valve 16
The pressure of checking cylinder 4.In addition, in the present embodiment, lamina membranacea seat 14 is fixed in the outward flange of spring 13 of weighing.
As shown in fig. 7, when the weighing valve 1 not receive car load when, spring 13 of weighing does not deform, intake valve port A with row
Valve port while B is turned off, and as shown in figure 11, now, weighing valve 1 is in original state to the stress model of spring 13 of weighing.
When the weighing valve 1 is subject to act on the car load Q of lower cover 113, because lower cover 113 has two with spring 13 of weighing
The projection of contact, plays a part of to support spring 13 of weighing, and the car load Q that lower cover 113 is subject to is transferred to spring 13 of weighing.This
When, as shown in figure 12, that is, spring 13 of weighing is upwardly-deformed under the promotion of lower cover 113 for the stress model of spring 13 of weighing, and power work
It is the position with above-mentioned projection contacts with point, spring 13 of weighing deformation drives trundle 15, piston 12, push rod 17 and push rod 18 upward
Motion, so that intake valve port A is opened, compressed air enters above-mentioned spool chamber, and the pressure in the spool chamber is pressure signal
T, now, weighing valve 1 is in and fills wind state.
As compressed air constantly enters spool chamber, above-mentioned pressure signal T constantly increases, so as to promote push rod 17, piston
12 and trundle 15 move downward, and then cause that the spring 13 of weighing of trundle 15 pairs applies active force T, and the application point of power is and biography
The position of the dynamic contact of pin 15, the stress model of spring 13 of weighing is as shown in figure 13.Now, spring 13 of weighing is subject to vehicle in opposite direction
Load Q and pressure signal T, in the presence of two external force, the edge of spring 13 of weighing deforms downwards, so as to drive trundle 15, live
Plug 12, push rod 17 continues to move downward, and until closing intake valve port A, now weighing valve 1 fills wind and terminates in packing state, car
Load Q and pressure signal T reaches balance.
It is arranged such, as figs 11-13, in the present embodiment, because lamina membranacea seat 14 is fixed in the outward flange of spring 13 of weighing,
So that this is weighed, the stress model of spring 13 is reduced to cantilever beam, it will be understood that compared to the overhanging beam shown in Fig. 2-4, this implementation
Weighed in example 13 less in the structure of cantilever beam its fulcrum, stress is simpler, the pass between car load Q and pressure signal T
System can accurately determine, so that the weighing valve 1 measures more accurate.
In addition, weigh spring 13 compared with the ＇ of spring 3 that weighs in Fig. 2-4 in the present embodiment, and when the two stress is identical, this reality
The amount of deflection of spring 13 of weighing applied in example is larger, i.e. its deformation sensitivity is higher, so as to improve the performance of the weighing valve 1.
Further, as shown in figure 8, spring 13 of weighing is for disc-shaped structure, its middle part offers and the cooperation of trundle 15
Mating holes 135, and the spring 13 of weighing is further opened with some gear piece grooves 133 for radially extending, each gear piece groove 133 will weigh spring 13
It is divided into some gear pieces.
It is arranged such so that the spring 13 of weighing is connected by some gear pieces and formed, and each gear piece is only in the outward flange of spring 13 of weighing
It is connected with each other, meanwhile, above-mentioned mating holes 135 is surrounded by the inward flange of each gear piece, when trundle 15 coordinates with the mating holes 135,
The inward flange of gear piece is connected to, so that the transmission of the power between spring 13 and trundle 15 of realizing weighing.
Simultaneously as this is weighed, spring 13 is formed by some gear pieces so that the deformation of each gear piece is more prone to, so as to ensure this
The sensitivity of the measurement of weighing valve 1.
Specifically, as shown in figure 8, the gear piece includes the gear piece 132 of some first gear pieces 131 and second, and radially, first
The length of gear piece 131 more than the second gear piece 132 length, the edge mate of the gear piece 131 of trundle 15 and first, and with the second tooth
The edge of piece 132 has predetermined gap, i.e., above-mentioned mating holes 135 is surrounded by the inward flange of the first gear piece 13.
As described above, pressure signal T acts on trundle 15 and the contact position of spring 13 of weighing to the active force of spring 13 of weighing, i.e.,
The point of application is located at the outward flange of trundle 15, and stress point is located at the inward flange of the first gear piece 131, i.e. pressure signal T acts only on the
One gear piece 131, and above-mentioned car load Q acts on all of gear piece.Assuming that the gear piece of spring 13 sum of weighing is M, the first gear piece 131
Quantity is N, i.e. M ＞ N, according to stress balance principle, Q/M=T/N, therefore, T ＜ Q.
Therefore, in the present embodiment, by the structure for changing gear piece so that the weighing valve 1 is subject to larger car load Q
When, a less pressure signal T is exported, so that the weighing valve 1 can be applicable larger scope of weighing.
Further, as shown in figure 8, the first gear piece 131 and the spaced setting of the second gear piece 132, and above-mentioned gear piece is total
Number is the integral multiple of the number of the first gear piece 131, i.e. M is the integral multiple of N, therefore, according to Q/M=T/N, obtaining car load Q is
The integral multiple of pressure signal T.
It is arranged such so that car load Q is more prone to the relation of pressure signal T and can be accurately determined, and should
The pressure signal T of the output of weighing valve 1 is much smaller than the car load Q being subject to.Meanwhile, only by changing the first gear piece 131 and second
The number of gear piece 132 can change the pressure signal T of output so that the pressure signal T of output is easy to adjust, and for different
Vehicle is not required to realize regulation by changing weighing valve 1.
Further, as shown in figure 8, the number of the second gear piece 132 is the integral multiple of the number of the first gear piece 131, and the
The number of one gear piece 131 is not less than two, meanwhile, each first gear piece 131 and each second gear piece 132 are uniformly distributed in spring of weighing
13, the number of the second gear piece 132 between adjacent first gear piece 131 is identical.
It is arranged such, the gear piece 132 of each first gear piece 131 and second is respectively symmetrically distribution weighing on spring 13, so that
Each position stress of spring 13 of weighing is symmetrical, and then causes each part stable motions such as piston 12.
In embodiment as shown in Figure 8, the number of the first gear piece 131 is 3, and the number of the second gear piece 132 is 9, and adjacent
3 the second gear pieces 132 are equipped between first gear piece 131.Therefore, in the present embodiment, between car load Q and pressure signal T
Relation be：Q=4 × T.
Certainly, the first gear piece 131 of above-mentioned spring 13 of weighing and the number of the second gear piece 132 be not limited to that, also can root
Arbitrarily set according to required pressure signal T, in the present embodiment, gear piece sum is 12.
It should be noted that gear piece number not can infinitely increase, due to weighing, the size of spring 13 is restricted, when gear piece
When number is too big, the width of each gear piece is smaller, and when its stress, intensity is relatively low, is easily damaged, therefore, under actual condition, can be comprehensive
Close and consider that gear piece intensity rationally sets gear piece number with pressure signal T.
In addition, as shown in figure 8, the inward flange of the first gear piece 131 is the inclined-plane towards trundle 15.First gear piece 131
Inward flange is the one end coordinated with trundle 15, therefore, when it coordinates with trundle 15, the inclined-plane can play the work of guiding
With, while shock loading therebetween can also be buffered, the intensity of weighed with guarantee spring 13 and trundle 15.
In various embodiments above, as seen in figs. 8-10, the outward flange of spring 13 of weighing offers some bolts hole 134, for
Lamina membranacea 14 bolt connections of seat, so that the spring 13 that will weigh is fixed on lamina membranacea seat 14 with its outward flange.
In the present embodiment, due to spring 13 and lamina membranacea 14 bolt connections of seat of weighing, additionally it is possible to during realization correspondence different automobile types more
The purpose of antonomasia weight spring 13.
Certainly, the connection weighed between spring 13 and lamina membranacea seat 14 is not limited to that, also can be using commonly used in the art its
Its structure, such as pin joint etc., are not construed as limiting herein.
Specifically, as seen in figs. 8-10, the number of above-mentioned bolt hole 134 is identical with the number of gear piece groove 133, and each bolt hole
134 connect with corresponding gear piece groove 133 respectively.
Certainly, above-mentioned each bolt hole 134 can also be interspersed with gear piece groove 133, but, in the present embodiment, due to bolt
The position in hole 134 be correspondence gear piece the strong point, i.e., the strong point of cantilever beam as figs 11-13, therefore, work as bolt hole
134 with gear piece groove 133 when connecting so that in the strong point and the stress of gear piece are generally aligned in the same plane, so as to avoid in the gear piece
Form moment of torsion, it is ensured that the intensity of gear piece.
In addition, the present invention also provides a kind of rolling stock, including bogie 2 and interconnected weighing valve 1, checking cylinder 4,
Adjustment valve 3 and auxiliary reservoir 5, as shown in Figure 5 and Figure 6, wherein, the first pipe joint 111 of weighing valve 1 is used to connect adjustment valve 3, the
Two pipe joints 112 are used to connect auxiliary reservoir 5, and checking cylinder 4 is connected with adjustment valve 3.
Meanwhile, above-mentioned weighing valve 1 is located on the bogie spring 21 of bogie 2, the weight for directly weighing rolling stock
Amount.Detailed process is：Weighing valve 1 by weigh rolling stock weight and output pressure signal T, and pressure signal T be input into
Adjustment valve 3, and then cause that checking cylinder 4 exports corresponding brake pressure.
In addition, above-mentioned weighing valve 1 is the weighing valve 1 described in various embodiments above, because the weighing valve 1 has above-mentioned skill
Art effect, including the rolling stock of the weighing valve 1 should also have corresponding technique effect, and here is omitted.
A kind of rolling stock provided by the present invention and its weighing valve are described in detail above.It is used herein
Specific case is set forth to principle of the invention and implementation method, and the explanation of above example is only intended to help and understands
The method of the present invention and its core concept.It should be pointed out that for those skilled in the art, not departing from this
On the premise of inventive principle, some improvement and modification can also be carried out to the present invention, these are improved and modification also falls into the present invention
In scope of the claims.
Claims (10)
1. a kind of weighing valve of rolling stock, including valve body (11) and valve element (19), piston in the valve body (11)
(12), weigh spring (13) and the trundle (15) that is connected between the piston (12) and the spring of weighing (13), the transmission
(15) are sold for the stress of the spring of weighing (13) to be transferred into the piston (12), also including sealing valve element (19) inner chamber
Lamina membranacea (141), the lamina membranacea (141) by lamina membranacea seat (14) support；Characterized in that, the outward flange of the spring of weighing (13)
It is fixed on lamina membranacea seat (14).
2. weighing valve according to claim 1, it is characterised in that spring of weighing (13) middle part offers and the transmission
The mating holes (135) that pin (15) coordinates, is further opened with some gear piece grooves (133) for radially extending, each gear piece groove (133)
It is uniformly distributed, and the spring of weighing (13) is divided into some gear pieces.
3. weighing valve according to claim 2, it is characterised in that the gear piece includes some first gear pieces (131) and the
Two gear pieces (132), radially, the length of the length more than second gear piece (132) of first gear piece (131), the biography
Dynamic pin (15) and the edge mate of first gear piece (131), and with the edge of second gear piece (132) have it is predetermined between
Gap.
4. weighing valve according to claim 3, it is characterised in that first gear piece (131) and second gear piece
(132) spaced setting, and gear piece sum is the integral multiple of the first gear piece (131) number.
5. weighing valve according to claim 4, it is characterised in that first gear piece (131) and second gear piece
(132) it is respectively uniformly distributed in the spring of weighing (13), and second gear piece between adjacent first gear piece (131)
(132) number is identical.
6. weighing valve according to claim 5, it is characterised in that the number of first gear piece (131) is 3, described the
The number of two gear pieces (132) is 9.
7. the weighing valve according to any one of claim 3-6, it is characterised in that the inner edge of first gear piece (131)
Edge has the inclined-plane towards the trundle (15).
8. the weighing valve according to any one of claim 2-6, it is characterised in that spring of weighing (13) outward flange opens up
Have some bolts hole (134), for the lamina membranacea seat (14) bolt connection.
9. weighing valve according to claim 8, it is characterised in that bolt hole (134) number and the gear piece groove
(133) number is identical, and connects with the corresponding gear piece groove (133) respectively.
10. a kind of rolling stock, including bogie (2) and interconnected weighing valve (1), checking cylinder (4), adjustment valve (3) and
Auxiliary reservoir (5), it is characterised in that the weighing valve (1) is power on the bogie spring (21) of the bogie (2)
Profit requires the weighing valve (1) any one of 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611076053.7A CN106740773B (en) | 2016-11-29 | 2016-11-29 | A kind of rolling stock and its weighing valve |
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| CN201611076053.7A CN106740773B (en) | 2016-11-29 | 2016-11-29 | A kind of rolling stock and its weighing valve |
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| CN106740773A true CN106740773A (en) | 2017-05-31 |
| CN106740773B CN106740773B (en) | 2019-09-27 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115214579A (en) * | 2022-07-15 | 2022-10-21 | 眉山中车制动科技股份有限公司 | Railway vehicle braking pressure limiting valve |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57202062U (en) * | 1981-06-19 | 1982-12-22 | ||
| CN2663244Y (en) * | 2003-07-03 | 2004-12-15 | 株洲时代新材料科技股份有限公司 | Weighing valve for adjusting magnitude of braking force of railroad locomotive and rolling stock |
| US20090194718A1 (en) * | 2008-02-05 | 2009-08-06 | Kulesha Richard L | Method and apparatus for a smart valve |
| CN201800730U (en) * | 2010-09-29 | 2011-04-20 | 齐齐哈尔轨道交通装备有限责任公司 | Empty and load valve for rolling stock |
| CN106428101A (en) * | 2016-11-30 | 2017-02-22 | 中车齐齐哈尔车辆有限公司 | Railway vehicle and weighing valve thereof |
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2016
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57202062U (en) * | 1981-06-19 | 1982-12-22 | ||
| CN2663244Y (en) * | 2003-07-03 | 2004-12-15 | 株洲时代新材料科技股份有限公司 | Weighing valve for adjusting magnitude of braking force of railroad locomotive and rolling stock |
| US20090194718A1 (en) * | 2008-02-05 | 2009-08-06 | Kulesha Richard L | Method and apparatus for a smart valve |
| CN201800730U (en) * | 2010-09-29 | 2011-04-20 | 齐齐哈尔轨道交通装备有限责任公司 | Empty and load valve for rolling stock |
| CN106428101A (en) * | 2016-11-30 | 2017-02-22 | 中车齐齐哈尔车辆有限公司 | Railway vehicle and weighing valve thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115214579A (en) * | 2022-07-15 | 2022-10-21 | 眉山中车制动科技股份有限公司 | Railway vehicle braking pressure limiting valve |
| CN115214579B (en) * | 2022-07-15 | 2023-10-13 | 眉山中车制动科技股份有限公司 | Brake pressure limiting valve for railway vehicle |
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| Publication number | Publication date |
|---|---|
| CN106740773B (en) | 2019-09-27 |
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