CN115107822A - Hook-shaped upper pull rod device - Google Patents
Hook-shaped upper pull rod device Download PDFInfo
- Publication number
- CN115107822A CN115107822A CN202210718382.6A CN202210718382A CN115107822A CN 115107822 A CN115107822 A CN 115107822A CN 202210718382 A CN202210718382 A CN 202210718382A CN 115107822 A CN115107822 A CN 115107822A
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- CN
- China
- Prior art keywords
- pull rod
- sickle
- plate
- shaped upper
- connecting piece
- 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.)
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Links
- 239000000725 suspension Substances 0.000 description 12
- 230000005540 biological transmission Effects 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61H—BRAKES OR OTHER RETARDING DEVICES SPECIALLY ADAPTED FOR RAIL VEHICLES; ARRANGEMENT OR DISPOSITION THEREOF IN RAIL VEHICLES
- B61H13/00—Actuating rail vehicle brakes
- B61H13/20—Transmitting mechanisms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61H—BRAKES OR OTHER RETARDING DEVICES SPECIALLY ADAPTED FOR RAIL VEHICLES; ARRANGEMENT OR DISPOSITION THEREOF IN RAIL VEHICLES
- B61H13/00—Actuating rail vehicle brakes
- B61H13/34—Details
- B61H13/38—Suspension of transmitting mechanisms
Abstract
The invention belongs to the technical field of railway wagon braking devices, and particularly relates to a sickle-shaped upper pull rod device. The technical scheme is as follows: the utility model provides a hook-shaped upper pull rod device, includes the upper pull rod and constitutes, and the upper pull rod is constituteed including the first connecting piece, the faller blade, the anti-tilt board, pull rod, the second connecting piece that connect gradually, and the one end that the faller blade was kept away from to first connecting piece is connected with the lever that moves about, and the one end that the pull rod was kept away from to the second connecting piece is connected with the brake lever, and the faller blade is towards the direction protrusion of keeping away from the axletree. The invention provides a sickle-shaped upper pull rod device for preventing an upper pull rod from colliding and grinding a vehicle axle.
Description
Technical Field
The invention belongs to the technical field of railway wagon braking devices, and particularly relates to a sickle-shaped upper pull rod device.
Background
The basic brake device of the railway wagon can be divided into two modes of vehicle body installation and bogie installation according to the installation position of the brake cylinder. For vehicles with foundation brake devices mounted on the vehicle body, the brake lever of the foundation brake device is generally connected with the bogie traveling lever at the two ends of the vehicle by an upper pull rod. The conventional three-piece bogie of the railway wagon only adopts a 1-series suspension structure, the components of a traveling lever, a side frame, a wheel pair and the like are all positioned below a suspension spring and are not influenced by the deflection of the spring when the wagon is loaded, an upper pull rod of a linear structure is generally adopted under the condition, one end of the upper pull rod is connected with a brake lever of a basic brake device of a wagon body, and the other end of the upper pull rod is connected with the traveling lever of the bogie.
In contrast, in the welded frame bogie using the 2-series suspension springs, the wheelset assembly is below the 1-series suspension springs, and therefore, the wheelset assembly is stationary with respect to the rail. The floating lever and the framework are arranged between the primary suspension spring and the secondary suspension spring, and the vehicle body and the basic brake device are arranged on the secondary suspension. When the vehicle is increased along with the loaded goods, the suspension spring is compressed, the moving lever and the brake lever sink to different degrees relative to the wheel pair assembly, the moving lever sinks to a small extent, the brake lever sinks to a large extent, and if the traditional linear upper pull rod is adopted, the upper pull rod of the over-axle collides with and grinds the axle, so that the driving safety of the vehicle is influenced.
Disclosure of Invention
In order to solve the problems in the prior art, the invention aims to provide a sickle-shaped upper pull rod device for preventing an upper pull rod from colliding with a grinding axle.
The technical scheme adopted by the invention is as follows:
the utility model provides a hook-shaped upper pull rod device, includes that the upper pull rod constitutes, and the upper pull rod is constituteed including the first connecting piece, the faller sword board, pull rod, the second connecting piece that connect gradually, and the one end that the faller sword board was kept away from to first connecting piece is connected with the lever that moves about, and the one end that the pull rod was kept away from to the second connecting piece is connected with brake lever, and the faller sword board is towards the direction protrusion of keeping away from the axletree.
The sickle plate protrudes towards the direction far away from the axle, and the gap between the sickle plate and the axle is increased in the area of the axle. Even if the traveling levers and the brake levers connected to the two ends of the upper pull rod sink to different degrees relative to the wheel axle assembly due to the compression of the suspension springs of the bogie 1 and the bogie 2 along with the increase of the load of the vehicle, the sickle plate can not collide and grind the axle. The sickle-shaped upper pull rod device not only realizes the transmission of braking force, but also avoids the problem that the upper pull rod collides with a grinding axle.
As a preferable scheme of the present invention, the first connecting member includes two chain shoe rings and a pull head which are fastened to each other, one of the chain shoe rings is connected to the floating lever, the other chain shoe ring is connected to the pull head, and the other end of the pull head is connected to the sickle plate.
As the preferable scheme of the invention, the pull rod head is provided with a socket and a round pin hole, the socket is used for being connected with the sickle plate, and the round pin hole is used for being connected with the chain shoe ring.
As a second preferable scheme of the invention, the first connecting piece comprises a first clamping plate, the first clamping plate is welded with the sickle plate, and one end of the first clamping plate, which is far away from the sickle plate, is connected with the floating lever. When the first connecting piece is the first clamping plate, two chain shoe rings and the pull rod head are omitted.
As a preferable scheme of the present invention, the second connecting member includes a second clamping plate, one end of the second clamping plate is connected to the pull rod, the other end of the second clamping plate is provided with at least one connecting hole distributed along the axial direction, and the brake lever is connected to the second clamping plate through one of the connecting holes. One end of the second clamping plate close to the brake lever can be provided with a single connecting hole, two connecting holes or three connecting holes, and when the second clamping plate with a plurality of connecting holes is selected, the length of the upper pull rod device can be conveniently adjusted.
In a preferred embodiment of the present invention, the second splint has a separate structure or an integrated structure.
As a preferable scheme of the invention, an anti-tilt plate is fixed at the bottom of the pull rod, a bracket assembly is installed at the bottom of the frame, and the anti-tilt plate is lapped on the bracket assembly. The anti-tilt plate is a strip-shaped thin plate, is welded below the pull rod in an assembling mode, can be contacted with the bracket under the working condition that the setting position and the length of the anti-tilt plate meet the full abrasion of the vehicle, and is in line contact with the pull rod and the bracket in a point contact mode through the matching of the anti-tilt plate and the bracket, so that the left and right swinging of the pull rod is prevented.
As a preferable scheme of the invention, the bracket assembly comprises a bracket, a round pin is rotationally connected in the bracket, the round pin is horizontally arranged, a sleeve is sleeved outside the round pin, and an anti-tilt plate is lapped on the sleeve. The anti-tilting plate is in line contact with the sleeve to prevent the pull rod from swinging. And the sleeve can rotate on the round pin, so that when the anti-roll plate moves, the sleeve rolls correspondingly, and friction is reduced.
In a preferred embodiment of the present invention, a washer is connected between the round pin and the bracket, and a cotter pin for preventing the round pin from coming off the bracket is connected to the round pin.
As a preferable scheme of the invention, the knife handles on two sides of the sickle plate are positioned on the same central line. The sickle knife plate only protrudes outwards in the area of the axle, so that the head and the tail of the sickle knife plate and the pull rod are positioned on the same straight line, and the transmission of braking force is facilitated.
The invention has the beneficial effects that:
the sickle plate protrudes towards the direction far away from the axle, and the gap between the sickle plate and the axle is increased in the area of the axle. Even if the traveling levers and the brake levers connected to the two ends of the upper pull rod sink to different degrees relative to the wheel axle assembly due to the compression of the suspension springs of the bogie 1 and the bogie 2 along with the increase of the load of the vehicle, the sickle plate can not collide and grind the axle. The sickle-shaped upper pull rod device not only realizes the transmission of braking force, but also avoids the problem that the upper pull rod collides with a grinding axle.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the upper tie bar assembly;
FIG. 3 is a schematic view of the construction of the chain shoe ring;
FIG. 4 is a schematic structural view of the tie rod head;
FIG. 5 is a schematic view of the first clamp plate and sickle plate;
FIG. 6 is a schematic view of the structure of the sickle plate;
FIG. 7 is a schematic structural view of the anti-roll panel;
FIG. 8 is a schematic view of the structure of the tie rod;
FIG. 9 is a schematic view of the structure of the bracket assembly;
FIG. 10 is a schematic view of a second splint according to a first application form;
FIG. 11 is a schematic view of a second splint according to a second application form;
FIG. 12 is a schematic view of a second splint in a third application form;
fig. 13 is a schematic view of a fourth application form of the second splint.
In the figure: 1-an upper pull rod; 2-bracket composition; 3-vehicle wheels; 4-axle shaft; 5-a traveling lever; 6-a brake lever; 7-a brake lever push rod; 8-a brake cylinder; 10-chain shoe ring; 11-a tie rod head; 12-sickle plate; 13-anti-roll plate; 14-a pull rod; 15-a second splint; 16-a first splint; 21-a bracket; 22-a sleeve; 23-a washer; 24-a cotter pin; 25-round pin.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be 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 some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention. It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
As shown in fig. 1 and 2, the sickle-shaped upper pull rod device of the present embodiment includes an upper pull rod assembly 1, the upper pull rod assembly 1 includes a first connecting member, a sickle plate 12, a pull rod 14, and a second connecting member, which are connected in sequence, wherein one end of the first connecting member, which is far away from the sickle plate 12, is connected to a traveling lever 5, one end of the second connecting member, which is far away from the pull rod 14, is connected to a brake lever 6, and the sickle plate 12 protrudes toward a direction far away from the axle 4. One end of the brake lever 6, which is far away from the upper pull rod assembly 1, is connected with a brake cylinder push rod 7, and the other end of the brake cylinder push rod 7 is connected with a piston rod of a brake cylinder 8.
The sickle plate 12 of the present invention is convex in a direction away from the axle 4, and in the area of the axle 4, the gap between the sickle plate 12 and the axle 4 is increased. Even if the floating lever 5 and the brake lever 6 connected to the two ends of the upper pull rod assembly 1 sink to different degrees relative to the wheel axle assembly due to the compression of the suspension springs of the bogies 1 and 2 along with the increase of the load of the vehicle, the sickle knife plate 12 and the bumper grinding vehicle axle 4 can not be generated. The sickle-shaped upper pull rod device not only realizes the transmission of braking force, but also avoids the problem that the upper pull rod 14 collides with the grinding vehicle shaft 4.
As shown in figure 6, the sickle plate 12 is formed by cutting a thick plate material with the thickness of 25mm, and the sickle plate 12 can also be forged, so that the use requirements of multiple working conditions are met. The sickle plate 12 has a notch at one end near the pull rod 14 for connection with the pull rod 14. The knife handles at the two ends of the sickle knife plate 12 are positioned on the same central line. The sickle plate 12 protrudes outwards only in the region of the axle 4, so that the head and the tail of the sickle plate 12 and the pull rod 14 are in the same line, and the transmission of braking force is facilitated.
As shown in fig. 8, different materials and thicknesses may be used depending on the tension to which the tension rod 14 is subjected. The pull rod 14 is made of solid round steel. The round steel can be selected to have different diameters according to the tension of the pull rod 14 under different tension. When the pull rod 14 needs to bear large pulling force, all component materials can meet the requirements by increasing the plate thickness, adopting high-strength materials, changing the diameter of round steel and the like.
As shown in fig. 2, 3 and 4, in one embodiment, the first connecting member includes two chain shoe rings 10 and a pull head 11, which are engaged with each other, one chain shoe ring 10 is connected to the floating lever 5, the other chain shoe ring 10 is connected to the pull head 11, and the other end of the pull head 11 is connected to the sickle plate 12. The pull rod head 11 is provided with a socket and a round pin hole, the socket is used for being welded with the sickle plate 12, and the round pin hole is used for being connected with the chain shoe ring 10. The sickle plate 12 is also provided with a socket at one end close to the first connecting piece for connecting with the pull rod head 11, and the pull rod head 11 is not provided with a socket at the moment. The tie rod head 11 is manufactured by a 25mm thick plate material machine.
In another embodiment, as shown in fig. 5, the first connecting member comprises a first clamping plate 16, the first clamping plate 16 is welded to the sickle plate 12, and the end of the first clamping plate 16 remote from the sickle plate 12 is connected to the traveling lever 5 by a pin. When the first connecting piece is the first clamping plate 16, two chain shoe rings 10 and the pull rod head 11 are eliminated.
As shown in fig. 10 to 13, the second connecting member includes a second clamping plate 15, one end of the second clamping plate 15 is connected to the pull rod 14, the other end of the second clamping plate 15 is provided with at least one connecting hole distributed along the axial direction, and the brake lever 6 is connected to the second clamping plate 15 through one of the connecting holes. One end of the second clamping plate 15 close to the brake lever 6 can be provided with a single connecting hole, two connecting holes or three connecting holes, and when the second clamping plate 15 with a plurality of connecting holes is selected, the length of the upper pull rod 14 device can be conveniently adjusted.
As shown in fig. 10, the second clamping plate 15 of the first application form is a double-connection hole structure, 1 in each of the upper and lower parts, so as to adjust the overall length of the upper pull rod 14 device.
As shown in fig. 11, the second clamping plate 15 of the second application form is of a single connecting hole structure, and is arranged at the upper part and the lower part respectively by 1.
As shown in fig. 12, the second clamping plate 15 of the third application form is of a three-connection hole structure, and is arranged at the upper part and the lower part by 1.
As shown in fig. 13, the second clamping plate 15 of the fourth application form is of a single attachment hole structure and of a unitary structure.
As shown in fig. 2 and 7, in order to prevent the tie rod 14 from tilting, an anti-tilt plate 13 is fixed at the bottom of the tie rod 14, a bracket assembly 2 is mounted at the bottom of the vehicle frame, and the anti-tilt plate 13 is lapped on the bracket assembly 2. The anti-tilt plate 13 is a strip-shaped thin plate, is assembled and welded below the pull rod 14, the setting position and the length of the anti-tilt plate 13 meet the requirement that the anti-tilt plate 13 can be contacted with the bracket component 2 under the working condition of full abrasion of the vehicle, and through the matching of the anti-tilt plate 13 and the bracket component 2, the point contact of the pull rod 14 and the bracket 21 is changed into line contact, so that the left and right swinging of the pull rod 14 is prevented.
Specifically, as shown in fig. 9, the bracket assembly 2 includes a bracket 21, a round pin 25 is rotatably connected in the bracket 21, the round pin 25 is horizontally disposed, a sleeve 22 is sleeved outside the round pin 25, and the anti-roll plate 13 is lapped on the sleeve 22. The anti-roll plate 13 is in line contact with the sleeve 22 to prevent the pull rod 14 from swinging. Moreover, the sleeve 22 can rotate on the round pin 25, and when the anti-roll plate 13 moves, the sleeve rolls correspondingly, so that friction is reduced. A washer 23 is connected between the round pin 25 and the bracket 21, and a cotter pin 24 for stopping the round pin 25 from dropping off the bracket 21 is connected on the round pin 25.
The bracket 21 is formed by bending a 5mm thick plate, and is provided with an assembling hole. The sleeve 22 is cut from a standard steel pipe, and the round pin 25, the cotter pin 24 and the washer 23 are standard parts. The number of bracket assemblies 2 is configured according to the length of the upper tie rod assembly 1, but each upper tie rod assembly 1 must be provided with one bracket assembly 2 at the anti-roll plate 13.
During assembly, the upper pull rod assembly 1 penetrates through the bracket assembly 2, then the first connecting piece is connected with the bogie, and the second connecting piece is connected with the brake lever 6 of the basic brake device. The connection mode adopts a structure of a round pin and a split pin. The first connecting piece and the second connecting piece can be connected by rivet pins.
The invention innovatively adopts the sickle-shaped upper pull rod assembly 1, thereby realizing the transmission of braking force and avoiding the problem that the pull rod 14 collides with the grinding vehicle shaft 4. The sickle-shaped upper pull rod assembly 1 can transfer the pulling force required by the standard of the railway wagon and has good applicability. The sickle-shaped upper pull rod assembly 1 is adjustable in length, all components are easy to process, the structure is simple, and the sickle-shaped upper pull rod assembly is mature and reliable. The second connecting piece adopts the diplopore splint structure, the regulation needs when satisfying the equipment. The anti-tilting plate 13 is innovatively arranged, and the anti-tilting plate is matched with the bracket assembly 2 for use, so that the situation that the sickle knife plate 12 is heavy and the pull rod 14 assembly is inclined left and right is effectively avoided. The length and the depth of the sickle plate 12 are determined according to the abrasion loss of the bogie wheels 3 and the brake shoes and the deflection of the 2-series suspension spring, so that the use requirements of full abrasion and full load range of the vehicle are met.
The invention is not limited to the above alternative embodiments, and any other various forms of products can be obtained by anyone in the light of the present invention, but any changes in shape or structure thereof, which fall within the scope of the present invention as defined in the claims, fall within the scope of the present invention.
Claims (10)
1. A sickle-shaped upper pull rod device is characterized in that: constitute (1) including last pull rod, go up pull rod constitution (1) including the first connecting piece that connects gradually, sickle plate (12), pull rod (14), second connecting piece, the one end that sickle plate (12) were kept away from to first connecting piece is connected with lever (5) that move about, and the one end that pull rod (14) were kept away from to the second connecting piece is connected with brake lever (6), and sickle plate (12) are towards the direction protrusion of keeping away from axletree (4).
2. The sickle-shaped upper pull rod device according to claim 1, wherein: the first connecting piece comprises two chain shoe rings (10) and a pull rod head (11) which are mutually buckled, wherein one chain shoe ring (10) is connected with the traveling lever (5), the other chain shoe ring (10) is connected with the pull rod head (11), and the other end of the pull rod head (11) is connected with the sickle plate (12).
3. The sickle-shaped upper pull rod device according to claim 2, wherein: the pull rod head (11) is provided with a socket and a round pin hole, the socket is used for being connected with the sickle plate (12), and the round pin hole is used for being connected with the chain shoe ring (10).
4. The sickle-shaped upper drawbar apparatus according to claim 1, characterized in that: the first connecting piece comprises a first clamping plate (16), the first clamping plate (16) is welded with the sickle plate (12), and one end, far away from the sickle plate (12), of the first clamping plate (16) is connected with the moving lever (5).
5. The sickle-shaped upper drawbar apparatus according to claim 1, characterized in that: the second connecting piece comprises a second clamping plate (15), one end of the second clamping plate (15) is connected with the pull rod (14), at least one connecting hole distributed along the axial direction is formed in the other end of the second clamping plate (15), and the brake lever (6) is connected with the second clamping plate (15) through one connecting hole.
6. A sickle-shaped upper drawbar arrangement according to claim 5, characterized in that: the second clamping plate (15) is of a split structure or an integrated structure.
7. The sickle-shaped upper drawbar apparatus according to claim 1, characterized in that: an anti-tilt plate (13) is fixed at the bottom of the pull rod (14), a bracket assembly (2) is installed at the bottom of the frame, and the anti-tilt plate (13) is lapped on the bracket assembly (2).
8. The sickle-shaped upper drawbar apparatus according to claim 7, wherein: the bracket assembly (2) comprises a bracket (21), a round pin (25) is rotationally connected in the bracket (21), the round pin (25) is horizontally arranged, a sleeve (22) is sleeved outside the round pin (25), and an anti-tilt plate (13) is lapped on the sleeve (22).
9. The sickle-shaped upper pull rod device according to claim 8, wherein: a washer (23) is connected between the round pin (25) and the bracket (21), and a split pin (24) used for preventing the round pin (25) from falling off the bracket (21) is connected to the round pin (25).
10. The sickle-shaped upper pull rod device according to any one of claims 1 to 9, wherein: the knife handles on the two sides of the sickle plate (12) are positioned on the same central line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210718382.6A CN115107822B (en) | 2022-06-23 | 2022-06-23 | Sickle-shaped upper pull rod device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210718382.6A CN115107822B (en) | 2022-06-23 | 2022-06-23 | Sickle-shaped upper pull rod device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115107822A true CN115107822A (en) | 2022-09-27 |
| CN115107822B CN115107822B (en) | 2023-11-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210718382.6A Active CN115107822B (en) | 2022-06-23 | 2022-06-23 | Sickle-shaped upper pull rod device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115107822B (en) |
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| CN115107822B (en) | 2023-11-21 |
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