CN215621985U - Side frame capable of preventing overlarge stress for railway wagon bogie - Google Patents
Side frame capable of preventing overlarge stress for railway wagon bogie Download PDFInfo
- Publication number
- CN215621985U CN215621985U CN202121400299.1U CN202121400299U CN215621985U CN 215621985 U CN215621985 U CN 215621985U CN 202121400299 U CN202121400299 U CN 202121400299U CN 215621985 U CN215621985 U CN 215621985U
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- Prior art keywords
- side frame
- limiting
- frame body
- mounting plate
- plate
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- 238000013016 damping Methods 0.000 claims description 35
- 230000002265 prevention Effects 0.000 claims 3
- 238000010030 laminating Methods 0.000 claims 1
- 230000035939 shock Effects 0.000 abstract description 6
- 230000003139 buffering effect Effects 0.000 abstract description 5
- 238000009434 installation Methods 0.000 abstract description 3
- 238000005299 abrasion Methods 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model is suitable for the relevant technical field of the railway freight car bogie, has provided a can prevent the overstress railway freight car bogie with the side bearer, comprising: the side frame comprises side frame bodies, wherein two side frame bodies are symmetrically arranged on a truck bogie, and a groove is formed in the middle of each side frame body; the mounting plate is connected to the inner side of the groove in a clamping manner, and a plurality of groups of limiting rods fixedly connected with the mounting plate in an integrated manner are arranged on the mounting plate; the limiting plates are symmetrically arranged at the inner sides of the left end and the right end of the side frame body, and the upper side of the middle of each limiting plate is connected with a first elastic pad in a sticking mode. This can prevent too big side bearer for rail wagon bogie of stress, be convenient for carry out the shock attenuation buffering to the bolster of installation to make the effectual of bolster shock attenuation buffering, be convenient for carry on spacingly to the wheel pair, and be convenient for reduce the wearing and tearing between this side bearer and the wheel pair, and can prevent that stress is too big, make the long service life of this side bearer, bolster and wheel pair.
Description
Technical Field
The utility model relates to the technical field of railway wagon bogies, in particular to a side frame for a railway wagon bogie, which can prevent overlarge stress.
Background
The railway freight car bogie mainly comprises a side frame, a swing bolster, a damping device, a wheel set, a braking device and the like, plays roles of supporting, steering and braking a car body, and can ensure that the car body can safely and stably run on a track, the side frame is generally matched with a bearing saddle through a guide frame, and a central square frame of the side frame is connected with the swing bolster through a circular spiral spring.
If the Chinese utility model patent with the granted publication number of CN209454760U discloses a side frame for a railway vehicle bogie, which comprises a side frame body, wherein a spring installation cavity is arranged in the middle of the side frame body, a spring bearing platform is detachably arranged in the spring installation cavity, a plurality of spring limiting assemblies are arranged on the spring bearing platform, the spring limiting assemblies are connected with a damping spring, each spring limiting assembly comprises a spring limiting sleeve and elastic clamping seats distributed at two ends of the spring limiting sleeve, the damping spring is sleeved outside the spring limiting sleeve, the upper end of the damping spring is connected with the upper end of the spring limiting sleeve, the lower end of the damping spring is fixed on the spring bearing platform through the elastic clamping seats, and the spring limiting sleeve stretches along with the stretching of the damping spring; fix damping spring's lower extreme and vertically carry on spacingly to damping spring through the spacing subassembly of spring, avoid damping spring to take place about the shock absorption in-process skew and the uneven problem of wheel pair load distribution that leads to.
However, in the using process, the wheel set is not limited conveniently, the abrasion between the side frame and the wheel set is not reduced conveniently, the excessive stress is difficult to prevent, and the service life is short.
SUMMERY OF THE UTILITY MODEL
The utility model provides a side frame for a railway wagon bogie, which can prevent overlarge stress and solves the problems that the side frame for the railway wagon bogie, which is provided in the background art and has the publication number of CN209454760U, is not convenient to limit a wheel set generally, is not convenient to reduce the abrasion between the side frame and the wheel set, is difficult to prevent overlarge stress and has short service life.
The utility model is realized in this way, a side frame for a railway freight car truck capable of preventing excessive stress, comprising:
the side frame comprises side frame bodies, wherein two side frame bodies are symmetrically arranged on a truck bogie, and a groove is formed in the middle of each side frame body;
the mounting plate is connected to the inner side of the groove in a clamping manner, and a plurality of groups of limiting rods fixedly connected with the mounting plate in an integrated manner are arranged on the mounting plate;
the limiting plates are symmetrically arranged on the inner sides of the left end and the right end of the side frame body, and the upper side of the middle part of each limiting plate is connected with a first elastic pad in a sticking mode;
the movable plates are attached to the upper surfaces of the left end and the right end of the side frame body, and connecting sleeves are arranged on the outer sides of the inner ends of the movable plates.
The utility model also provides a damping spring which is arranged outside the limiting rod in an embedded manner, and the height dimension of the limiting rod and the telescopic height dimension of the damping spring are both lower than the height dimension of the groove in the side frame body;
the outer ends of the side frame bodies are of arc-shaped structures, and the mounting plates are fixedly connected with the side frame bodies through locking screws.
The utility model also provides a rotating structure formed by the limiting plate and the movable plate and the side frame body through the damping rods, the outer end of the limiting plate is connected with the side frame body in an attaching mode, and the upper surface of the first elastic pad and the upper surface of the limiting plate are located on the same horizontal plane.
The utility model also provides a sliding non-detachable structure formed by the movable plate and the connecting sleeve, wherein the movable plate is in an L-shaped structure, the inner sides of the front end and the rear end of the connecting sleeve are respectively connected with a second elastic cushion in a sticking mode, and the second elastic cushions are positioned on the inner sides of the inner ends of the movable plate.
Compared with the prior art, the utility model has the beneficial effects that: the side frame for the railway wagon bogie capable of preventing overlarge stress is convenient for damping and buffering an installed swing bolster, has a good damping and buffering effect on the swing bolster, is convenient for limiting a wheel set, is convenient for reducing abrasion between the side frame and the wheel set, can prevent overlarge stress, and is long in service life of the side frame, the swing bolster and the wheel set;
1. the damping device is provided with a side frame body, a groove, a mounting plate and limiting rods, wherein the mounting plate fixedly connected with the side frame body through locking screws is arranged in the groove, and damping springs are nested outside a plurality of groups of limiting rods fixed on the mounting plate, so that the damping buffer of the swing bolster arranged in the groove is facilitated, the damping springs are convenient to replace, the damping buffer effect of the swing bolster is good, and the service lives of the side frame and the swing bolster are prolonged;
2. the side frame is provided with a side frame body, damping rods, limiting plates and first elastic pads, the limiting plates which are rotatably connected with the side frame body through the damping rods are arranged on the inner sides of the left end and the right end of the side frame body, and the first elastic pads are connected to the upper sides of the middle parts of the limiting plates in a sticking mode, so that the wheel set is limited conveniently, the abrasion between the side frame and the wheel set is reduced conveniently, and the service lives of the side frame and the wheel set are prolonged conveniently;
3. the side frame body is provided with the damping rods, the movable plates, the connecting sleeves and the second elastic pads, the movable plates are rotatably connected to the side frame body through the damping rods, the movable plates are connected in the connecting sleeves in a sliding and non-detachable mode, the second elastic pads are pasted on the inner sides of the front end and the rear end of each connecting sleeve, the side frame body is convenient to limit, stress can be prevented from being overlarge, and therefore the side frame is convenient to make and has a long service life.
Drawings
FIG. 1 is a schematic view of a front view of the structure provided by the present invention;
FIG. 2 is a schematic top sectional view of the mounting plate and sideframe body connection provided in accordance with the present invention;
FIG. 3 is a schematic view of a top-view cross-sectional structure of the connection between the movable plate and the connection sleeve provided by the present invention;
fig. 4 is a schematic side sectional view of the connection between the movable plate and the connection sleeve provided by the present invention.
In the figure: 1-side frame body, 2-groove, 3-mounting plate, 4-limiting rod, 5-damping spring, 6-locking screw, 7-damping rod, 8-limiting plate, 9-first elastic pad, 10-movable plate, 11-connecting sleeve and 12-second elastic pad.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
Referring to fig. 1-4, the present invention provides a technical solution: a side frame for a railway freight car bogie capable of preventing overlarge stress comprises a side frame body 1, a groove 2, a mounting plate 3, a limiting rod 4, a shock absorption spring 5, a locking screw 6, a damping rod 7, a limiting plate 8, a first elastic pad 9, a movable plate 10, a connecting sleeve 11 and a second elastic pad 12, wherein before the side frame for the railway freight car bogie capable of preventing the overlarge stress is used, as shown in figures 1, 2 and 3, the shock absorption spring 5 can be nested outside the limiting rod 4 fixed on the mounting plate 3, then the mounting plate 3 placed in the groove 2 is fixedly connected with the side frame body 1 through the locking screw 6, then two ends of a swing bolster can penetrate through the inner side of the upper end of the groove 2, so that the shock absorption spring 5 is tightly attached and connected with the swing bolster, then the limiting plate 8 connected with the side frame body 1 through the damping rod 7 can be rotated, so that two ends of a wheel pair are positioned at the inner side of the outer end of the side frame body 1, then, the limiting plate 8 is rotated, so that the first elastic cushion 9 which is connected with the limiting plate 8 in a sticking way is attached to and connected with the wheel pair, and finally, the movable plate 10 which is connected with the connecting sleeve 11 in a sliding and non-detachable way is connected with the side frame body 1 in a rotating way through the damping rod 7;
as shown in figures 1 and 2, when the side frame is used, a plurality of groups of damping springs 5 which are connected with limiting rods 4 in an outer nesting mode are fixed on a mounting plate 3, so that a swing bolster which is arranged in a groove 2 can be conveniently damped and buffered, the mounting plate 3 is fixedly connected with a side frame body 1 through locking screws 6, the damping springs 5 can be conveniently replaced, the damping and buffering effects of the swing bolster are good, the limiting plates 8 which are rotatably connected through damping rods 7 are arranged on the inner sides of the left end and the right end of the side frame body 1, so that wheel pairs can be conveniently limited, a first elastic cushion 9 which is connected with the upper side of the middle part of each limiting plate 8 in a sticking mode is used for reducing the abrasion between the side frame and the wheel pairs, as shown in figures 1, 3 and 4, a movable plate 10 which is rotatably connected with a connecting sleeve 11 on the side frame body 1 is in a sliding non-detachable mode, and second elastic cushions 12 are respectively connected on the inner sides of the front end and the rear end of the connecting sleeve 11 in a sticking mode, therefore, the movable plate 10 and the connecting sleeve 11 can move conveniently, the purpose of limiting the side frame body 1 can be achieved conveniently, overlarge stress can be prevented, the service lives of the side frame, the swing bolster and the wheel pair can be prolonged conveniently, and the whole process of using the side frame for the railway wagon bogie can be prevented from being overlarge stress.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (4)
1. A side frame for a railway freight car truck capable of preventing excessive stress, comprising:
the side frame comprises side frame bodies (1), wherein two side frame bodies (1) are symmetrically arranged on a truck bogie, and grooves (2) are formed in the middle of each side frame body (1);
the mounting plate (3) is connected to the inner side of the groove (2) in a clamping manner, and a plurality of groups of limiting rods (4) fixedly connected with the mounting plate (3) in an integrated manner are arranged on the mounting plate;
the limiting plates (8) are symmetrically arranged on the inner sides of the left end and the right end of the side frame body (1), and the upper side of the middle part of each limiting plate (8) is connected with a first elastic pad (9) in a sticking mode;
the movable plates (10) are arranged on the upper surfaces of the left end and the right end of the side frame body (1) in a fitting mode, and connecting sleeves (11) are arranged on the outer sides of the inner ends of the movable plates (10).
2. A railway freight car truck sideframe as defined in claim 1, wherein the overstress prevention means comprises: the limiting rod (4) is externally provided with a damping spring (5) in an embedded mode, and the height dimension of the limiting rod (4) and the telescopic height dimension of the damping spring (5) are both lower than the height dimension of the inner groove (2) of the side frame body (1);
the outer end of the side frame body (1) is of an arc-shaped structure, and the mounting plate (3) is fixedly connected with the side frame body (1) through a locking screw (6).
3. A railway freight car truck sideframe as defined in claim 1, wherein the overstress prevention means comprises: limiting plate (8) and fly leaf (10) all constitute rotating-structure through damping rod (7) and side bearer body (1), and the outer end and the side bearer body (1) of limiting plate (8) are connected for the laminating to the upper surface of first cushion (9) and the upper surface of limiting plate (8) are in same horizontal plane.
4. A railway freight car truck sideframe as defined in claim 1, wherein the overstress prevention means comprises: the movable plate (10) and the connecting sleeve (11) form a sliding non-detachable structure, the movable plate (10) is of an L-shaped structure, the inner sides of the front end and the rear end of the connecting sleeve (11) are connected with second elastic pads (12) in a sticking mode, and the second elastic pads (12) are located on the inner sides of the inner ends of the movable plate (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121400299.1U CN215621985U (en) | 2021-06-23 | 2021-06-23 | Side frame capable of preventing overlarge stress for railway wagon bogie |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121400299.1U CN215621985U (en) | 2021-06-23 | 2021-06-23 | Side frame capable of preventing overlarge stress for railway wagon bogie |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215621985U true CN215621985U (en) | 2022-01-25 |
Family
ID=79944864
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121400299.1U Expired - Fee Related CN215621985U (en) | 2021-06-23 | 2021-06-23 | Side frame capable of preventing overlarge stress for railway wagon bogie |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215621985U (en) |
-
2021
- 2021-06-23 CN CN202121400299.1U patent/CN215621985U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220125 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |