CN112046525A - Bogie with built-in weighing device for railway wagon - Google Patents
Bogie with built-in weighing device for railway wagon Download PDFInfo
- Publication number
- CN112046525A CN112046525A CN202010935136.7A CN202010935136A CN112046525A CN 112046525 A CN112046525 A CN 112046525A CN 202010935136 A CN202010935136 A CN 202010935136A CN 112046525 A CN112046525 A CN 112046525A
- Authority
- CN
- China
- Prior art keywords
- spring
- bogie
- weighing
- built
- weighing device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
- B61F5/00—Constructional details of bogies; Connections between bogies and vehicle underframes; Arrangements or devices for adjusting or allowing self-adjustment of wheel axles or bogies when rounding curves
- B61F5/02—Arrangements permitting limited transverse relative movements between vehicle underframe or bolster and bogie; Connections between underframes and bogies
- B61F5/04—Bolster supports or mountings
- B61F5/06—Bolster supports or mountings incorporating metal springs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
- B61F5/00—Constructional details of bogies; Connections between bogies and vehicle underframes; Arrangements or devices for adjusting or allowing self-adjustment of wheel axles or bogies when rounding curves
- B61F5/50—Other details
Abstract
The invention discloses a railway wagon bogie with a built-in weighing device, which comprises two side frames, wheel shafts, a swing bolster, brake assemblies, spring assemblies and weighing valve assemblies, wherein the two side frames are oppositely arranged, the wheel shafts are arranged on the front side and the rear side of each side frame, wheels are respectively arranged at the two ends of each side frame, the swing bolster is transversely arranged between guide frames in the middle of the two side frames, the brake assemblies are arranged on the side surfaces of the swing bolster and are used for braking the wheel shafts, the spring assemblies are two groups and are respectively arranged in the guide frames in the middle of the side frames and are used for elastically supporting the end parts of the swing bolster, and the weighing valve assemblies are internally arranged at the splayed surfaces of the end parts of the swing bolster and are used for measuring the contact pressure between the end parts of the swing bolster and the. The bogie for the railway wagon with the built-in weighing device is simple in structure, convenient to install and manufacture, small in occupied space resource, high in safety, low in installation cost and high in practicability, and a weighing valve is not worried about being knocked down or stolen.
Description
Technical Field
The invention relates to a bogie with a built-in weighing device for a railway wagon, and relates to the technical field of railway wagon bogies.
Background
Currently, to ensure the driving safety of railway wagons, most railway wagons are equipped with empty-weight-car-adjusting devices to adjust the pressure of the brake cylinders according to the weight of the vehicle. The weighing valve is used as a part of an empty and heavy vehicle adjusting device of the railway wagon, and plays a vital role in traffic safety. The weighing valve outputs different pressure signals by directly weighing the weight of the truck, the pressure signals enter a regulating valve in the empty and heavy truck adjusting device, and the regulating valve outputs different brake cylinder pressures according to different pressure signals. The truck weight is larger, the pressure signal output by the weighing valve is larger, and the brake cylinder pressure output by the regulating valve is larger, so that the purpose that the brake cylinder pressure is increased along with the increase of the vehicle weight is achieved. Generally the weighing valve of installation after the welding is outside, in order to place weighing valve bruise or stolen, need increase protection casing or protection box again, therefore, not only need additionally weld the valve seat of weighing, but also the cost of the protection casing or the protection box that increase.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the bogie for the railway freight car is convenient to install, high in safety and low in manufacturing and installing cost.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the utility model provides a built-in weighing device's bogie for railway freight car, includes side bearer, wheel axle, bolster, brake assembly, spring unit and weighing valve unit spare, and the side bearer is two and relative setting, the wheel axle is installed and is all installed the wheel at side and both ends around the side bearer, and the bolster is transversely installed between two side bearer middle part guide frames, and brake assembly installs and is used for realizing the braking action to the wheel axle at the bolster side, and spring unit is two sets of and installs respectively in the guide frame in side bearer middle part and be used for elastic support bolster tip, the weighing valve unit spare embeds installs in bolster tip eight faces department and is used for measuring the contact pressure between bolster tip and the spring unit and exports the pressure signal to the regulating valve in railway freight car's the empty weight car adjusting device.
Preferably, the weighing valve assembly comprises a weighing valve, two oppositely-arranged pressure tubes, a support seat assembly, a pressure block and a contact piece, an opening is formed in the splayed surface of the end portion of the swing bolster, the opening extends inwards to form a cavity, the weighing valve is fixedly arranged in the cavity in the splayed surface, the front end portion of each pressure tube is connected with the weighing valve, the tail end of each pressure tube extends to the outside of the opening in the end portion, is bent upwards and horizontally and then is horizontally fixed on the swing bolster and is connected with an air pipeline on a vehicle, an opening for the support seat assembly to penetrate through is formed in the cavity wall of the lower portion of the weighing valve, the support seat assembly is mounted on the lower portion of the weighing valve, the lower portion of the support seat assembly is supported and fixed with the spring assembly, one end portion of the contact piece.
Preferably, the supporting seat assembly comprises a supporting column and a circular seat plate, a central hole for the lower end of the supporting column to pass through is formed in the middle of the circular seat plate, the lower end of the supporting column passes through the central hole and is fixedly connected with the circular seat plate, a shaft clamp spring is arranged on a cylinder body on the upper portion of the supporting column, the upper end of the supporting column passes through an opening and is vertically corresponding to a contact point on the lower portion of the weighing valve and is in contact with the contact piece, and the lower portion of the supporting column and the lower.
Preferably, the spring assembly comprises spring groups, each spring group comprises an outer spring and an inner spring arranged in the outer spring, a plurality of supporting positioning columns located around the supporting column are arranged on the lower side wall of the end portion of the swing pillow, the supporting column and the supporting positioning columns respectively correspond to one spring group, the lower ends of the supporting positioning columns are inserted into upper end holes of the inner springs in the corresponding spring groups, the lower ends of the supporting columns are inserted into upper end holes of the inner springs in the corresponding spring groups, and the circular seat plate corresponds to the upper ends of the outer springs in the corresponding spring groups and is abutted to the upper ends of the outer springs in the corresponding spring groups.
Preferably, the double pressure tube is fixed on the swing bolster through a tube clamp.
Preferably, the tail end of the double-pressure pipe is fixed on the outer side wall of the middle part of the swing bolster through a fixing seat.
Preferably, the contact piece is made of spring steel and has a thickness of 3mm-5 mm.
Preferably, the double pressure pipe is a stainless steel pipe or a copper pipe or a metal nylon pipe.
Preferably, the lower part of the pressing block is provided with a base plate, and the pressing block and the base plate are fixed on the swing bolster through bolts.
Compared with the prior art, the invention has the advantages that: the bogie for the railway wagon with the built-in weighing device is simple in structure, convenient to install and manufacture, small in occupied space resource, high in safety, free of worrying that the weighing valve is knocked down or stolen, free of using an extra welding installation seat or other installation parts, low in installation cost and high in practicability.
Description of the drawings:
in order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments 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 the drawings without creative efforts;
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a perspective view of the present invention with only one sideframe installed;
FIG. 3 is an enlarged view at A in FIG. 2;
FIG. 4 is a side view of the bolster and weigh valve assembly of the present invention as installed;
FIG. 5 is a partial sectional view taken along line A-A of FIG. 4;
FIG. 6 is a perspective view of the weigh valve assembly of the present invention;
fig. 7 is a bottom perspective view of the bolster of the present invention (with the weigh valve installed) with a spring assembly located below one end.
Fig. 8 is a bottom perspective view of one end of the bolster (with the weigh valve installed) of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, 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 obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention:
as shown in fig. 1 and 2, the bogie for a railway wagon with a built-in weighing device comprises two side frames 1, two wheel shafts 2, a bolster 3, two brake assemblies 4, spring assemblies and a weighing valve assembly, wherein the two side frames are oppositely arranged, the wheel shafts are arranged on the front side and the rear side of each side frame, wheels 5 are respectively arranged at two ends of each side frame, the bolster is transversely arranged between guide frames in the middle of the two side frames, the brake assemblies are arranged on the side surfaces of the bolster and are used for braking the wheel shafts, the two spring assemblies are respectively arranged in the guide frames in the middle of the side frames and are used for elastically supporting the end parts of the bolster, in practical application, the side frames, the wheel shafts, the bolster, the spring assemblies and the brake assemblies can all adopt the conventional structures to meet the use and installation requirements, the weighing valve assembly is internally arranged at the splayed surfaces at the end parts of the bolster and is used for measuring the contact pressure between the end parts of the bolster and the spring assemblies, in practical application, the pressure signal is transmitted to the adjusting valve through the weighing valve assembly, the adjusting valve outputs different brake cylinder pressures according to the actual pressure signal, the larger the weight of the truck is, the larger the output pressure signal is, and the larger the brake cylinder pressure output by the adjusting valve is, so that the purpose that the brake cylinder pressure is increased along with the increase of the weight of a vehicle is achieved.
In this embodiment, as shown in fig. 3 to 6, in order to facilitate installation and implement the weighing process, the weighing valve assembly includes a weighing valve 6, two pressure tubes 7 disposed opposite to each other, a support seat assembly, a pressure block 8, and a contact piece 9, the left end portion of the bolster has an end opening 10, the end opening extends inward to form a cavity 11, the weighing valve is fixed in the cavity, the type of the weighing valve is a common type in the market according to actual needs, and the functions of weighing and pressure output are satisfied, the front end portion of the two pressure tubes is connected to the weighing valve, the tail end extends to the outside of the end opening and is bent upward and horizontally and then horizontally fixed at the top of the upper side of the bolster, in this embodiment, the two pressure tubes are parallel pressure tubes composed of two tubes, and in order to improve the output effect, the two pressure tubes are stainless steel tubes, copper, or metal nylon tubes, and in order to improve stability, the double-pressure pipe is fixed on the swing bolster through the pipe clamp 12 and is connected with an air pipeline on the vehicle, in the embodiment, the tail end of the double-pressure pipe extends to the edge of the side wall of the middle of the swing bolster, is bent downwards along the side wall, is bent outwards horizontally and is fixed on the outer side wall of the middle of the swing bolster through the fixing seat 13, and therefore stability is further improved, and the tail end of the double-pressure pipe is connected with the air pipeline of the vehicle through the reducing joint 14.
The cavity wall of weighing valve lower part is opened has trompil 15 that supplies the supporting seat subassembly to pass, and the supporting seat subassembly is installed in weighing valve lower part and its lower part and spring unit support fixed, between weighing valve and the supporting seat are arranged in to a tip of contact piece, and the other end passes through the briquetting to be fixed on the hole bottom of trompil, for the distance between convenient regulation supporting seat subassembly and the weighing valve, the briquetting lower part is equipped with the backing plate, the thickness of backing plate according to actual need select can, for easy to assemble dismantlement, on briquetting and backing plate passed through the bolt fastening bolster, in addition, for improving detection effect, as the preferred embodiment in this embodiment, the contact piece is spring steel, and thickness is 3mm-5 mm. Therefore, in practical application, the pressure is transmitted to the contact piece through the support seat assembly, the contact piece is then contacted with the contact at the lower part of the weighing valve, so that the pressure transmission and detection processes are realized, the weighing valve outputs a pressure signal to an air pipeline of a vehicle through the double pressure pipes, the pressure signal is transmitted to the adjusting valve through the air pipeline, and then the pressure of the brake cylinder is output.
In this embodiment, in order to improve the pressure transmission effect and precision, the support seat assembly includes a support column 16 and a circular seat plate 17, the middle of the circular seat plate has a central hole for the lower end of the support column to pass through, the lower end of the support column passes through the central hole and is connected and fixed with the circular seat plate, a shaft snap spring is arranged on the upper cylinder of the support column, the shaft snap spring prevents the support column from slipping out of the hole, the upper end of the support column passes through the hole and is vertically corresponding to the lower contact of the weighing valve and is in contact with the contact piece, the lower part of the support column and the lower part of the circular seat plate are supported and fixed on a spring assembly, so that the pressure is transmitted through the support column and the circular seat plate, the transmission precision and the stability are high, further, in this embodiment, as shown in fig. 7 and 8, the spring, the spring unit is arranged in the middle cavity of the side frame, the inner springs and the outer springs are vertically arranged, the lower ends of the inner springs and the outer springs are abutted against and fixed on the bottom wall of the cavity, a plurality of supporting positioning columns 20 located around the supporting column are arranged on the lower side wall of the end portion of the swing pillow, the supporting positioning columns are distributed on the periphery of the supporting column in a rectangular array mode, the supporting column and the supporting positioning columns are equally divided into a group of spring units, in addition, edge positioning columns 21 are arranged on the front side and the rear side of the supporting column, edge supporting springs 22 are arranged on the lower portions of the edge positioning columns, the lower ends of the supporting positioning columns are inserted into upper end holes of the inner springs in the corresponding spring units, the lower ends of the supporting columns are inserted into upper end holes of the inner springs in. Therefore, effectively improve buffering shock attenuation effect through the spring assembly, can make the support column along with the vibrations of spring and up-and-down motion moreover to transmit different pressure to contact piece and weighing valve, realize the pressure measurement process then.
Therefore, in practical application, when vehicle weight changes, can be so that circular bedplate and support column move along with the spring is from top to bottom, thereby top contact piece about through the support column upper end, further make the pressure that weighing valve bottom contact department accepted constantly change, thereby export different air pressure to the air duct of vehicle on through two pressure pipes by weighing valve, thereby make the air in the vehicle pipeline distribute as required, the air pressure change signal after the distribution can enter into the regulating valve among the empty and heavy car adjusting device at last, the regulating valve is according to different pressure signal, different brake cylinder pressure of output, thereby accomplish finally to reach the purpose that brake cylinder pressure changes along with vehicle weight change and change.
It is to be emphasized that: the above embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention in any way, and all simple modifications, equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention are within the scope of the technical solution of the present invention.
Claims (9)
1. The utility model provides a built-in weighing device's bogie for rail wagon which characterized in that: the bogie truck bogie comprises two side frames, wheel shafts, swing bolsters, brake assemblies, spring assemblies and weighing valve assemblies, wherein the two side frames are arranged oppositely, the wheel shafts are arranged on the front side and the rear side of each side frame, wheels are arranged at two ends of each side frame, the swing bolsters are transversely arranged between guide frames in the middle of the two side frames, the brake assemblies are arranged on the side faces of the swing bolsters and are used for braking the wheel shafts, the spring assemblies are arranged in two groups and are respectively arranged in the guide frames in the middle of the side frames and are used for elastically supporting the end portions of the swing bolsters, and the weighing valve assemblies are internally arranged at the splayed positions of the end portions of the swing bolsters and are used for measuring contact pressure between the end.
2. A bogie for railway freight car with built-in weighing device according to claim 1, wherein: the weighing valve assembly comprises a weighing valve, two oppositely-arranged pressure tubes, a supporting seat assembly, a pressing block and a contact piece, wherein an end part opening is formed in the eight-face position of the end part of the swing bolster, the opening extends inwards to form a cavity, the weighing valve is fixed in the cavity in a built-in mode, the front end part of each pressure tube is connected with the weighing valve, the tail end of each pressure tube extends to the outside of the end part opening, is bent upwards and horizontally and then is horizontally fixed on the swing bolster and is connected with an air pipeline on a vehicle, the cavity wall of the lower part of the weighing valve is provided with an opening through which the supporting seat assembly penetrates, the supporting seat assembly is arranged at the lower part of the weighing valve, the lower part of the supporting seat assembly is supported and fixed with a spring assembly, one end.
3. A bogie for railway freight car with built-in weighing device according to claim 2, wherein: the supporting seat assembly comprises a supporting column and a circular seat plate, a central hole for the lower end of the supporting column to pass through is formed in the middle of the circular seat plate, the lower end of the supporting column passes through the central hole and is fixedly connected with the circular seat plate, a snap spring for a shaft is arranged on an upper cylinder of the supporting column, the upper end of the supporting column passes through an opening and is in contact with a contact piece corresponding to the lower portion of the weighing valve, and the lower portion of the supporting column and the lower portion of the circular seat plate are supported.
4. A bogie for railway freight car with built-in weighing device according to claim 3, wherein: the spring unit includes spring assembly, and every group spring assembly all includes outer spring and arranges the inside inner spring of outer spring in, be equipped with a plurality of support reference columns that are located around the support column on the lateral wall under the bolster tip, support column and a plurality of support reference columns are equallyd divide and are do not corresponded a set of spring assembly, and the lower extreme that supports the reference column inserts in the upper end orifice of the inner spring in the spring assembly that corresponds, in the lower extreme of support column inserts the upper end orifice of the inner spring in the spring assembly that corresponds, circular bedplate is corresponding and supports and lean on the contact with the upper end of the outer spring in the spring assembly that corresponds.
5. A bogie for railway freight car with built-in weighing device according to claim 3, wherein: the double-pressure pipe is fixed on the swing bolster through a pipe clamp.
6. A bogie for railway freight car with built-in weighing device according to claim 2, wherein: the tail ends of the two pressure pipes are fixed on the outer side wall of the middle part of the swing bolster through the fixing seat.
7. A bogie for railway freight car with built-in weighing device according to claim 2, wherein: the contact piece is made of spring steel and has the thickness of 3mm-5 mm.
8. A bogie for railway freight car with built-in weighing device according to claim 2, wherein: the double pressure pipes are stainless steel pipes or copper pipes or metal nylon pipes.
9. A bogie for railway freight car with built-in weighing device according to claim 2, wherein: the lower part of the pressing block is provided with a backing plate, and the pressing block and the backing plate are fixed on the swing bolster through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010935136.7A CN112046525A (en) | 2020-09-08 | 2020-09-08 | Bogie with built-in weighing device for railway wagon |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010935136.7A CN112046525A (en) | 2020-09-08 | 2020-09-08 | Bogie with built-in weighing device for railway wagon |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112046525A true CN112046525A (en) | 2020-12-08 |
Family
ID=73610381
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010935136.7A Pending CN112046525A (en) | 2020-09-08 | 2020-09-08 | Bogie with built-in weighing device for railway wagon |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112046525A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023093685A1 (en) * | 2021-11-29 | 2023-06-01 | 中车山东机车车辆有限公司 | Braking system of rail vehicle with single-axle bogie, vehicle, and method |
-
2020
- 2020-09-08 CN CN202010935136.7A patent/CN112046525A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023093685A1 (en) * | 2021-11-29 | 2023-06-01 | 中车山东机车车辆有限公司 | Braking system of rail vehicle with single-axle bogie, vehicle, and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN2910705Y (en) | Bogie of railway wagon | |
| CN103523037B (en) | Rail vehicle truck | |
| CN101712325B (en) | Railway freight car truck | |
| CN201189868Y (en) | High-speed motor train set bogies | |
| AU732171B3 (en) | A bogie of railway wagon | |
| CN100450845C (en) | Quick railway goods train bogie | |
| CN112046525A (en) | Bogie with built-in weighing device for railway wagon | |
| CN212373380U (en) | Bogie with built-in weighing device for railway wagon | |
| CN201092324Y (en) | Non-bolster air spring narrow gage passenger car steering rack | |
| CN109109896A (en) | A kind of subway engineering vehicle novel steering frame | |
| CN205769308U (en) | A kind of low-floor rail vehicle bogie secondary suspension device and bogie | |
| CN205706688U (en) | A kind of low-floor articulated track vehicle bogie suspension traction apparatus | |
| CA2018197A1 (en) | Bogie for high-speed railborne vehicles | |
| CN201092325Y (en) | Non-bolster air spring broad gage passenger car steering rack | |
| CN212473463U (en) | Flexible framework type bogie and railway vehicle | |
| CN200939817Y (en) | Single swinging arm air suspension combined structure of semitrailer | |
| CN212605150U (en) | Articulated bogie with embedded vibration and noise reduction device | |
| CN211335988U (en) | Bogie traction device | |
| CN210555114U (en) | Light commercial vehicle chassis | |
| CN219029419U (en) | Bogie assembly and rail vehicle | |
| CN205872073U (en) | Low floor railway vehicle bogie truck bloster structure and bogie | |
| CN205706687U (en) | A kind of low-floor rail vehicle Draft gear of bogie and bogie | |
| CN219601383U (en) | Chassis suspension structure of motor home carriage | |
| CN1919674A (en) | Railway freight-car wide rail cast-steel bogie | |
| CN217575201U (en) | Rack-and-rail train bogie swing bolster and rail vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |