CN216707135U - General type heart clamp device of railcar axletree - Google Patents
General type heart clamp device of railcar axletree Download PDFInfo
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- CN216707135U CN216707135U CN202123450980.XU CN202123450980U CN216707135U CN 216707135 U CN216707135 U CN 216707135U CN 202123450980 U CN202123450980 U CN 202123450980U CN 216707135 U CN216707135 U CN 216707135U
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- supporting
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Abstract
The utility model discloses a general chicken heart clamp device for a metro vehicle axle, which is used for being arranged on a lathe flange plate jaw and comprises a support, a locking mechanism and a fixing mechanism, wherein the locking mechanism is arranged on the support, and the fixing mechanism is detachably connected with the support; the support is annular, the locking mechanism comprises a first support part, a second support part and a pressing part, the support is provided with holes for the first support part, the second support part and the pressing part to respectively penetrate through, the first support part, the second support part and the pressing part are uniformly distributed on the support and are arranged along the radial direction of the support, one end of each of the first support part, the second support part and the pressing part extends into an inner ring of the support, and the positions of the first support part, the second support part and the pressing part can be adjusted along the radial direction of the support; a frame shaft area is formed between the first supporting part and the second supporting part, and the pressing part is positioned above the frame shaft area. The utility model provides a universal chicken heart clamp device for a metro vehicle axle, which has the advantages of high coaxiality and no eccentricity of the axle.
Description
Technical Field
The utility model relates to the technical field of a heart clamp device, in particular to a universal heart clamp device for a metro vehicle axle.
Background
Because the shaft end device needs to be installed at the axle neck of the subway axle, the axle can not be fixed by a flange plate clamping jaw of a lathe in the axle grinding process, and the axle neck of the axle is easy to damage; original mounting tool need install the bolt at both ends and fix, and different motorcycle type axletree is not general, leads to productivity to be obstructed, and original mounting tool influences axletree machining precision because the design problem can influence the operation to the heart of axletree and lathe rotation axis simultaneously.
The original tool is used, the problem that the coaxiality of an axle rotating shaft and a lathe rotating shaft is low can be caused, the problem that the section of an axle grinding part is eccentric is caused, the production quality of the axle is seriously influenced, and even major safety accidents such as wheel out-of-round and abnormal wheel pair jumping in the operation process are caused.
Therefore, the universal type heart clamp device for the metro vehicle axle is provided for overcoming the defects of the prior art.
SUMMERY OF THE UTILITY MODEL
The utility model provides a universal chicken heart clamp device for a metro vehicle axle, and aims to solve the problem that the axle is eccentric due to low coaxiality of an axle rotating shaft and a lathe rotating shaft.
The utility model adopts the following technical scheme: the locking mechanism is arranged on the bracket, and the fixing mechanism is detachably connected with the bracket;
the support is in a circular ring shape, the locking mechanism comprises a first supporting part, a second supporting part and a pressing part, the support is provided with holes for the first supporting part, the second supporting part and the pressing part to respectively penetrate through, the first supporting part, the second supporting part and the pressing part are uniformly distributed on the support and radially arranged along the support, one end of each of the first supporting part, the second supporting part and the pressing part extends into an inner ring of the support, and the positions of the first supporting part, the second supporting part and the pressing part can be adjusted along the radial direction on the support; a frame shaft area is formed between the first supporting portion and the second supporting portion, and the pressing portion is located above the frame shaft area.
As a further improvement of the technical solution of the present invention, the first supporting portion and the second supporting portion include a supporting block, a first connecting rod and a first rotating portion, the supporting block and the first rotating portion are respectively located at two ends of the first connecting rod and are fixedly connected to the first connecting rod, and the supporting block is located at one end of the first connecting rod close to the axle suspension area.
As a further improvement of the technical solution of the present invention, the pressing portion includes a pressing block, a second connecting rod and a second rotating portion, the pressing block and the second rotating portion are respectively located at two ends of the second connecting rod and are fixedly connected to the second connecting rod, and the pressing block is located at one end of the second connecting rod close to the frame shaft region.
As a further improvement of the technical solution of the present invention, an included angle formed by the first supporting portion, the second supporting portion, and the pressing portion is 120 °.
As a further improvement of the technical scheme of the present invention, the fixing mechanism includes a protruding portion, the bracket is further provided with a through hole for the protruding portion to pass through, and the protruding portion and the through hole are coaxially matched.
Further as an improvement of the technical scheme of the utility model, the fixing mechanism further comprises a groove, and the groove is used for connecting the flange claw.
As a further improvement of the technical scheme of the utility model, the groove is provided with a through fixing hole.
Compared with the prior art, the utility model has the beneficial effects that:
the utility model provides a universal chicken heart clamp device for a subway vehicle axle, which is used for being arranged on a lathe flange plate jaw and comprises a support, a locking mechanism and a fixing mechanism, wherein the locking mechanism is arranged on the support, and the fixing mechanism is detachably connected with the support; the support is annular, the locking mechanism comprises a first support part, a second support part and a pressing part, the support is provided with holes for the first support part, the second support part and the pressing part to respectively penetrate through, the first support part, the second support part and the pressing part are uniformly distributed on the support and are arranged along the radial direction of the support, one end of each of the first support part, the second support part and the pressing part extends into an inner ring of the support, and the positions of the first support part, the second support part and the pressing part can be adjusted along the radial direction of the support; a frame shaft area is formed between the first supporting part and the second supporting part, and the pressing part is positioned above the frame shaft area; when the axle is machined, the fixing mechanism is fixed on a flange plate clamping jaw, the axle is lifted above a lathe, after the support and the locking mechanism are pre-installed at the axle journal part, the support and the fixing mechanism are connected, the position of the locking mechanism is adjusted, the axle journal is ensured to be combined and then locked, and the assembly work is completed; the universal chicken heart clamp device for the local railway vehicle axle can reduce the coaxiality and avoid the eccentricity of the axle.
Drawings
The technology of the present invention will be described in further detail with reference to the accompanying drawings and detailed description below:
fig. 1 is a schematic perspective view of a universal chicken heart clamp device for a subway vehicle axle;
FIG. 2 is a front view of a universal chicken heart clamp assembly for a subway vehicle axle;
FIG. 3 is a front view of a bracket in a universal type heart-shaped clamp device for an axle of a subway vehicle;
FIG. 4 is a front view of a second support portion of a universal chicken heart clamp assembly for a subway vehicle axle;
FIG. 5 is a front view of a clamping portion of a universal chicken heart clamp assembly for a subway vehicle axle;
fig. 6 is a schematic perspective view of a fixing mechanism in a universal chicken heart clamp device for a subway vehicle axle.
Reference numerals:
1-a scaffold; 11-opening a hole; 12-a through hole;
2-a locking mechanism; 21-a first support; 22-a second support; 221-a support block; 222-a first connecting rod; 223 a first rotating part; 23-a compression section; 231-briquetting; 232-a second connecting rod; 233-a second rotating part; 24-a bobbin region;
3-a fixing mechanism; 31-a boss; 32-grooves; 321-fixing holes.
Detailed Description
The conception, the specific structure and the technical effects of the present invention will be clearly and completely described in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the schemes and the effects of the present invention. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The same reference numbers will be used throughout the drawings to refer to the same or like parts.
A general type heart clamp device of subway vehicle axletree, as figure 1 to figure 6, is used for installing on the flange plate jack catch of lathe, including support 1, locking mechanism 2 and fixed establishment 3, the locking mechanism 2 is set up on support 1, the fixed establishment 3 is connected with support 1 removably; the support 1 is annular, the locking mechanism 2 comprises a first support part 21, a second support part 22 and a pressing part 23, the support 1 is provided with an opening 11 through which the first support part 21, the second support part 22 and the pressing part 23 respectively pass, the first support part 21, the second support part 22 and the pressing part 23 are uniformly distributed on the support 1 and are arranged along the radial direction of the support 1, one end of each of the first support part 21, the second support part 22 and the pressing part 23 extends into an inner ring of the support 1, and the positions of the first support part 21, the second support part 22 and the pressing part 23 can be adjusted along the radial direction of the support 1; a frame shaft area 24 is formed between the first supporting part 21 and the second supporting part 22, and the pressing part 23 is positioned above the frame shaft area 24; when the axle is machined, the fixing mechanism 3 is fixed on a flange plate clamping jaw, the axle is hoisted to the position above a lathe, after the support 1 and the locking mechanism 2 are pre-installed at the axle journal part, the support 1 and the fixing mechanism 3 are connected, the position of the locking mechanism 2 is adjusted, the axle journal is ensured to be combined and then locked, and the assembly work is completed; the universal chicken heart clamp device for the local railway vehicle axle can reduce the coaxiality and avoid the eccentricity of the axle.
Referring to fig. 1 to 6, in one embodiment, the first and second supporting portions 21 and 22 include a supporting block 221, a first connecting rod 222, and a first rotating portion 223, the supporting block 221 and the first rotating portion 223 are respectively located at two ends of the first connecting rod 222 and fixedly connected to the first connecting rod 222, the supporting block 221 is located at one end of the first connecting rod 222 close to the bobbin region 24; the pressing part 23 comprises a pressing block 231, a second connecting rod 232 and a second rotating part 233, the pressing block 231 and the second rotating part 233 are respectively positioned at two ends of the second connecting rod 232 and fixedly connected with the second connecting rod 232, and the pressing block 231 is positioned at one end of the second connecting rod 232 close to the shaft erecting area 24; the included angle formed by the first supporting part 21, the second supporting part 22 and the pressing part 23 is 120 degrees, an equilateral triangle is formed for positioning, the coaxiality can be better reduced, and the eccentricity of the axle is avoided; the first connecting rod 222 and the second connecting rod 232 are threaded rods, the distance between the supporting block 221 and the pressing block 231 to the axis can be adjusted through the first rotating portion 223 and the second rotating portion 233, the supporting block 221 is a brass embedded part and used for bearing the weight of the axle, the pressing block 231 is a steel pad, and after the axle is placed in the frame shaft area 24, the second rotating portion 233 is rotated to enable the pressing block 231 to move towards the axis direction and press the axle tightly.
In the same embodiment, the fixing mechanism 3 comprises a convex part 31, the bracket 1 is also provided with a through hole 12 for the convex part 31 to pass through, the convex part 31 is coaxially matched with the through hole 12, and the fixing mechanism 3 is matched and connected with the bracket 1 through the convex part 31 and the through hole 12; the fixing mechanism further comprises a groove 32, and the groove 32 is used for connecting flange plate clamping jaws; the groove 32 is provided with a fixing hole 321 therethrough; after the groove clamp 32 is inserted into the flange plate clamping jaw, the bolt is screwed into the fixing hole 321 to lock the fixing mechanism 3 and the flange plate clamping jaw, so that the fixing mechanism 3 is prevented from falling off in the rotating process of the flange plate clamping jaw; this fixed establishment 3 is modular fixed establishment 3, different lathes, and the shape size of ring flange jack catch also can be different, and when changing the lathe, can satisfy the installation needs of different lathes through the fixed establishment 3 of changing different models, has improved the adaptability of lathe and axletree.
Other contents of the universal chicken heart clamp device for the subway vehicle axle are referred to in the prior art and are not described herein again.
The above embodiments are only preferred embodiments of the present invention, and the present invention is not limited thereto in any way, so that any modification, equivalent change and modification of the above embodiments according to the technical essence of the present invention are within the scope of the present invention, unless departing from the technical spirit of the present invention.
Claims (7)
1. A general heart-shaped clamp device of a metro vehicle axle is used for being arranged on a clamping jaw of a flange plate of a lathe, and is characterized by comprising a support, a locking mechanism and a fixing mechanism, wherein the locking mechanism is arranged on the support, and the fixing mechanism is detachably connected with the support;
the support is in a circular ring shape, the locking mechanism comprises a first supporting part, a second supporting part and a pressing part, the support is provided with holes for the first supporting part, the second supporting part and the pressing part to respectively penetrate through, the first supporting part, the second supporting part and the pressing part are uniformly distributed on the support and radially arranged along the support, one end of each of the first supporting part, the second supporting part and the pressing part extends into an inner ring of the support, and the positions of the first supporting part, the second supporting part and the pressing part can be adjusted along the radial direction on the support; and a frame shaft area is formed between the first supporting part and the second supporting part, and the pressing part is positioned above the frame shaft area.
2. The universal chicken heart clamp device for the metro vehicle axle according to claim 1, characterized in that: the first supporting portion and the second supporting portion comprise supporting blocks, first connecting rods and first rotating portions, the supporting blocks and the first rotating portions are located at two ends of the first connecting rods respectively and fixedly connected with the first connecting rods, and the supporting blocks are located at one ends, close to the shaft erecting area, of the first connecting rods.
3. The universal chicken heart clamp device for the metro vehicle axle according to claim 1, characterized in that: the pressing portion comprises a pressing block, a second connecting rod and a second rotating portion, the pressing block and the second rotating portion are located at two ends of the second connecting rod respectively and fixedly connected with the second connecting rod, and the pressing block is located at one end, close to the frame shaft area, of the second connecting rod.
4. The universal chicken heart clamp device for the metro vehicle axle according to claim 1, characterized in that: the included angle formed by the first supporting part, the second supporting part and the pressing part is 120 degrees.
5. The universal chicken heart clamp device for the metro vehicle axle according to claim 1, characterized in that: the fixing mechanism comprises a protruding portion, the support is further provided with a through hole for the protruding portion to penetrate through, and the protruding portion is matched with the through hole in a coaxial mode.
6. The universal chicken heart clamp device for the metro vehicle axle according to claim 5, characterized in that: the fixing mechanism further comprises a groove, and the groove is used for being connected with a flange claw.
7. The universal chicken heart clamp device for the metro vehicle axle according to claim 6, characterized in that: the groove is provided with a through fixing hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123450980.XU CN216707135U (en) | 2021-12-31 | 2021-12-31 | General type heart clamp device of railcar axletree |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123450980.XU CN216707135U (en) | 2021-12-31 | 2021-12-31 | General type heart clamp device of railcar axletree |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216707135U true CN216707135U (en) | 2022-06-10 |
Family
ID=81888448
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123450980.XU Active CN216707135U (en) | 2021-12-31 | 2021-12-31 | General type heart clamp device of railcar axletree |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216707135U (en) |
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2021
- 2021-12-31 CN CN202123450980.XU patent/CN216707135U/en active Active
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