CN219705026U - Spring compression tool - Google Patents
Spring compression tool Download PDFInfo
- Publication number
- CN219705026U CN219705026U CN202320982851.5U CN202320982851U CN219705026U CN 219705026 U CN219705026 U CN 219705026U CN 202320982851 U CN202320982851 U CN 202320982851U CN 219705026 U CN219705026 U CN 219705026U
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- fixedly connected
- spring
- wall
- limiting ring
- compression bar
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- 238000007906 compression Methods 0.000 title claims abstract description 80
- 230000006835 compression Effects 0.000 title claims abstract description 79
- 238000001125 extrusion Methods 0.000 claims abstract description 17
- 239000007787 solid Substances 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 2
- 238000013461 design Methods 0.000 description 6
- 230000006978 adaptation Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
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Abstract
The utility model provides a spring compression tool, and relates to the technical field of tool clamps under rocket installation working conditions. The spring compression frock includes: a cylinder; the spring extrusion device and the compression bar are arranged in the cylinder, the first end of the compression bar extends out of the cylinder, and the second end of the compression bar is fixedly connected with the spring extrusion device; a limiting ring fixedly connected with the first end of the cylinder; the rotating device is sleeved on the limiting ring and the compression bar, a thrust bearing is arranged in the rotating device, the thrust bearing comprises a shaft collar, a shaft seat and balls, the shaft collar and the shaft seat form a containing space, and the balls are positioned in the containing space; one side of the shaft collar is fixedly connected with the limiting ring, and a first preset distance is reserved between the other side of the shaft collar and the inner wall of the rotating device; one side of the shaft seat is fixedly connected with the inner wall of the rotating device, and a second preset distance is reserved between the other side of the shaft seat and the limiting ring; when the rotating device rotates around the compression bar, the compression bar provides extrusion force for the spring on the spring extrusion device. The safety of the spring compression tool is improved.
Description
Technical Field
The utility model relates to the technical field of tool fixtures under rocket installation working conditions, in particular to a spring compression tool.
Background
The problem that the handle of the existing spring compression tool is broken and the bearing and the end cover are damaged often occurs in the precompression process of the rocket fairing separating spring, so that the service life of the existing spring compression tool is short and the safety is low.
Disclosure of Invention
The utility model provides a spring compression tool, which solves the problems of handle fracture and bearing and end cover damage frequently occurring in the existing spring compression tool.
In order to solve the technical problems, the technical scheme of the utility model is as follows:
the utility model provides a spring compression tool, which comprises:
a cylinder;
the first end of the compression rod extends out of the cylinder body, and the second end of the compression rod is fixedly connected with the spring extrusion device;
a limiting ring fixedly connected with the first end of the cylinder;
the rotating device is sleeved on the limiting ring and the compression bar, a thrust bearing is arranged in the rotating device, the thrust bearing comprises a shaft collar, a shaft seat and balls, the shaft collar and the shaft seat form a containing space, and the balls are positioned in the containing space;
one side of the shaft collar is fixedly connected with the limiting ring, and a first preset distance is reserved between the other side of the shaft collar and the inner wall of the rotating device;
one side of the shaft seat is fixedly connected with the inner wall of the rotating device, and a second preset distance is reserved between the other side of the shaft seat and the limiting ring;
when the rotating device rotates around the pressing rod, the pressing force is provided for the spring on the spring pressing device through the pressing rod.
Optionally, the rotating device includes:
a first platen;
the annular baffle is fixedly connected with the first pressure plate, and the diameters of the annular baffle and the first pressure plate are the same;
one side of the shaft collar is fixedly connected with the limiting ring, and a first preset distance is reserved between the other side of the shaft collar and the inner wall of the circular baffle;
one side of the shaft seat is fixedly connected with the inner wall of the first pressure plate, and a second preset distance is reserved between the other side of the shaft seat and the limiting ring.
Optionally, the rotating device further includes:
at least two handles fixedly connected with the outer wall of the circular baffle plate.
Optionally, the spring compression tool further includes:
a limit sleeve sleeved on the pressure rod;
the first end of the limiting sleeve is arranged in the limiting ring and fixedly connected with the inner wall of the limiting ring;
the second end of the limiting sleeve is fixedly connected with the shaft collar through a disc.
Optionally, the spring compression tool further includes: an end cover fixedly connected with the cylinder; the spring extrusion device is in contact connection with the end cover.
Optionally, the end cover is a ring structure with preset thickness, and the first end surface of the end cover is provided with a ring groove with preset depth;
the end cover is sleeved at the second end part of the cylinder body through the annular groove, and the first groove wall of the annular groove is fixedly connected with the second end part of the cylinder body;
an end face of the second groove wall of the annular groove is in contact connection with the first end of the spring pressing device.
Optionally, the compression bar is connected to the second end of the spring pressing device through a connection ring.
Optionally, the spring compression tool further includes:
a sensor disposed between the plunger and the connecting ring;
the first end face of the sensor is fixedly connected with the compression bar, and the second end face of the sensor is fixedly connected with the connecting ring.
Optionally, the sensor is a hollow revolution structure;
the first end of depression bar be provided with depression bar integrated into one piece's second pressure disk, the depression bar pass through the second pressure disk with sensor fixed connection.
Optionally, at least one limiting groove is formed in the cylinder, a limiting pin is arranged on the connecting ring, and the limiting pin slides in the limiting groove.
The scheme of the utility model at least comprises the following beneficial effects:
the utility model relates to a spring compression tool, which comprises: a cylinder; the first end of the compression rod extends out of the cylinder body, and the second end of the compression rod is fixedly connected with the spring extrusion device; a limiting ring fixedly connected with the first end of the cylinder; the rotating device is sleeved on the limiting ring and the compression bar, a thrust bearing is arranged in the rotating device, the thrust bearing comprises a shaft collar, a shaft seat and balls, the shaft collar and the shaft seat form a containing space, and the balls are positioned in the containing space; one side of the shaft collar is fixedly connected with the limiting ring, and a first preset distance is reserved between the other side of the shaft collar and the inner wall of the rotating device; one side of the shaft seat is fixedly connected with the inner wall of the rotating device, and a second preset distance is reserved between the other side of the shaft seat and the limiting ring; when the rotating device rotates around the pressing rod, the pressing force is provided for the spring on the spring pressing device through the pressing rod. The design of the spring compression tool improves the safety of the spring compression tool and prolongs the service life of the spring compression tool.
Drawings
FIG. 1 is a perspective view of a spring compression tooling of the present utility model;
FIG. 2 is a cross-sectional view of the spring compression tooling of the present utility model;
fig. 3 is an enlarged partial view of a cross-sectional view of the spring compression tooling of the present utility model.
Fig. 4 is a perspective view of an end cap of the spring compression tooling of the present utility model.
Reference numerals illustrate:
1. a cylinder; 11. a limiting ring; 111. a screw; 12. an end cap; 121. a first groove wall; 122. a second groove wall; 13. a bracket; 2. a compression bar; 21. a second platen; 31. a shaft collar; 32. a shaft seat; 33. a ball; 4. a first platen; 5. a circular baffle; 51. a handle; 6. a connecting ring; 61. a limiting pin; 7. spring extrusion device; 71. a spring; 8. a limit sleeve; 9. a sensor.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
As shown in fig. 1 to 3, an embodiment of the present utility model provides a spring compression tool, including:
a cylinder 1;
the spring extrusion device 7 and the compression bar 2 are arranged in the cylinder body 1, the first end of the compression bar 2 extends out of the cylinder body 1, and the second end of the compression bar 2 is fixedly connected with the spring extrusion device 7;
a limiting ring 11 fixedly connected with the first end of the cylinder 1;
the rotating device is sleeved on the limiting ring 11 and the compression bar 2, a thrust bearing is arranged in the rotating device, the thrust bearing comprises a shaft collar 31, a shaft seat 32 and balls 33, the shaft collar 31 and the shaft seat 32 form a containing space, and the balls 33 are positioned in the containing space;
one side of the shaft collar 31 is fixedly connected with the limiting ring 11, and a first preset distance is reserved between the other side of the shaft collar and the inner wall of the rotating device;
one side of the shaft seat 32 is fixedly connected with the inner wall of the rotating device, and a second preset distance is reserved between the other side of the shaft seat and the limiting ring 11;
when the rotating device rotates around the pressing rod 2, the pressing force is provided to the spring 71 on the spring pressing device 7 through the pressing rod 2.
In this embodiment, the design of the thrust bearing increases the axial stress of the thrust bearing during operation, and simultaneously makes the rotating device and the cylinder 1 not generate direct friction during relative rotation, and only generates rolling friction through the thrust bearing, so that the driving force required by the rotating device during rotation is greatly reduced; the rotating device is connected with the compression bar 2 in a screwing way; when the spring compression tool is used, the rotation device is rotated to enable the compression rod 2 to move towards the direction of the spring extrusion device 7, so that the compression rod 2 extrudes the spring extrusion device 7, and the spring 71 is compressed to a preset compression amount through the spring extrusion device 7.
In an alternative embodiment of the utility model, the rotating means comprises:
a first platen 4;
the annular baffle plate 5 is fixedly connected with the first pressure plate 4, and the diameters of the annular baffle plate 5 and the first pressure plate 4 are the same;
one side of the shaft collar 31 is fixedly connected with the limiting ring 11, and a first preset distance is reserved between the other side of the shaft collar and the inner wall of the circular baffle 5;
one side of the shaft seat 32 is fixedly connected with the inner wall of the first pressure plate 4, and a second preset distance is reserved between the other side of the shaft seat and the limiting ring 11.
In this embodiment, the compression bar 2 is provided with an external thread; the annular baffle 5 is provided with a sleeve integrally formed with the annular baffle 5, and an internal thread is arranged in the sleeve; the annular baffle 5 is sleeved on the compression bar 2 through the sleeve and is connected with the compression bar 2 in a screwing way.
In an alternative embodiment of the present utility model, the rotating device further includes:
at least two handles 51 fixedly connected with the outer wall of the circular baffle plate 5, wherein the handles 51 are used for rotating the circular baffle plate 5.
In an optional embodiment of the present utility model, the spring compression tool further includes:
a limit sleeve 8 sleeved on the compression bar 2;
the first end of the limit sleeve 8 is arranged in the limit ring 11 and is fixedly connected with the inner wall of the limit ring 11;
the second end of the limit sleeve 8 is fixedly connected with the shaft collar 31 through a disc.
In this embodiment, the limiting sleeve 8 is configured to limit and fix the thrust bearing; in a preferred embodiment, the stop collar 8 is provided with external threads, the stop collar 11 is provided with internal threads, and the stop collar 8 is connected with the stop collar 11 through the internal and external threads in a screwing way;
the stop collar 8 is further provided with a screw hole, after the stop collar 8 and the stop collar 11 are screwed and connected through internal and external threads, the stop collar 8 and the stop collar 11 are fixed through the screw hole by penetrating through the screw 111, and the screwed and connected design of the stop collar 8 and the stop collar 11 can facilitate maintenance and replacement of the thrust bearing.
In an alternative embodiment of the present utility model, as shown in fig. 4, the spring compression tool further includes: an end cap 12 fixedly connected with the cylinder 1; the spring pressing device 7 is in contact connection with the end cover 12, and the end cover 12 is used for fixing and limiting the spring pressing device 7.
In an alternative embodiment of the present utility model, the end cap 12 is a ring structure with a preset thickness, and the first end surface of the end cap 12 is provided with an annular groove with a preset depth;
the end cover 12 is sleeved at the second end part of the cylinder body 1 through the annular groove, and a first groove wall 121 of the annular groove is fixedly connected with the second end part of the cylinder body 1;
an end face of the second groove wall 122 of the annular groove is in contact with the first end of the spring pressing means 7.
In this embodiment, the design of the end cover 12 makes the maximum stress of the end cover 12 occur at the end surface groove wall when the spring extrusion device 7 extrudes the end cover 12, so that the compressive strength of the end cover 12 is increased, and the safety of the device is improved; in a preferred embodiment, the side wall of the first groove wall 121 of the end cover 12 is provided with an internal thread, the second end of the cylinder 1 is provided with an external thread, and the end cover 12 is fixedly connected with the cylinder 1 through screwing of the internal thread and the external thread.
In an alternative embodiment of the utility model, the pressure lever 2 is connected to the second end of the spring pressing means 7 by a connecting ring 6.
In an optional embodiment of the present utility model, the spring compression tool further includes:
a sensor 9 disposed between the compression rod 2 and the connection ring 6, the sensor 9 being used for monitoring the pressure of the spring 71 in real time during compression;
the first end face of the sensor 9 is fixedly connected with the compression bar 2, and the second end face of the sensor 9 is fixedly connected with the connecting ring 6.
The sensor 9 is of a hollow revolution body structure;
the first end of the pressure lever 2 is provided with a second pressure plate 21 integrally formed with the pressure lever 2, and the pressure lever 2 is fixedly connected with the sensor 9 through the second pressure plate 21.
In an alternative embodiment of the present utility model, at least one limit groove is further provided on the cylinder 1, a limit pin 61 is provided on the connection ring 6, the limit pin 61 slides in the limit groove, and the cable of the sensor 9 is connected with an external computer device through the limit groove.
In an alternative embodiment of the present utility model, a measuring scale is provided on one side of the limit groove along the length direction of the limit groove, so as to observe the compression amount of the spring 71 in real time.
In an optional embodiment of the present utility model, the spring compression tool further includes: at least two brackets 13 fixedly connected with the cylinder 1, wherein the brackets 13 are used for supporting the cylinder 1.
According to the spring compression tool, through the design of the thrust bearing, the axial stress of the thrust bearing during working is increased, and meanwhile, the driving moment required by the rotation of the rotating device is reduced, so that the stress of the handle 51 is reduced, and the breakage of the handle 51 is prevented; the design of the end cover 12 enables the spring extrusion device 7 to extrude the end cover 12, the maximum stress of the end cover 12 occurs at the groove wall of the end face, the compressive strength of the end cover 12 is increased, the problem that the end cover 12 is damaged in the compression process is solved, the safety of a spring compression tool is improved, and the service life of the spring compression tool is prolonged.
While the foregoing is directed to the preferred embodiments of the present utility model, it will be appreciated by those skilled in the art that various modifications and adaptations can be made without departing from the principles of the present utility model, and such modifications and adaptations are intended to be comprehended within the scope of the present utility model.
Claims (10)
1. Spring compression frock, its characterized in that includes:
a cylinder (1);
the spring extrusion device (7) and the compression bar (2) are arranged in the cylinder body (1), the first end of the compression bar (2) extends out of the cylinder body (1), and the second end of the compression bar is fixedly connected with the spring extrusion device (7);
a limiting ring (11) fixedly connected with the first end of the cylinder body (1);
the rotating device is sleeved on the limiting ring (11) and the compression bar (2), a thrust bearing is arranged in the rotating device, the thrust bearing comprises a shaft collar (31), a shaft seat (32) and balls (33), the shaft collar (31) and the shaft seat (32) form a containing space, and the balls (33) are positioned in the containing space;
one side of the shaft collar (31) is fixedly connected with the limiting ring (11), and a first preset distance is reserved between the other side of the shaft collar and the inner wall of the rotating device;
one side of the shaft seat (32) is fixedly connected with the inner wall of the rotating device, and a second preset distance is reserved between the other side of the shaft seat and the limiting ring (11);
when the rotating device rotates around the pressing rod (2), the pressing force is provided for a spring (71) on the spring pressing device (7) through the pressing rod (2).
2. The spring compression tooling of claim 1, wherein the rotating means comprises:
a first platen (4);
the annular baffle (5) is fixedly connected with the first pressure plate (4), and the diameters of the annular baffle (5) and the first pressure plate (4) are the same;
one side of the shaft collar (31) is fixedly connected with the limiting ring (11), and a first preset distance is reserved between the other side of the shaft collar and the inner wall of the circular baffle (5);
one side of the shaft seat (32) is fixedly connected with the inner wall of the first pressure plate (4), and a second preset distance is reserved between the other side of the shaft seat and the limiting ring (11).
3. The spring compression tooling of claim 2, wherein the rotating means further comprises:
at least two handles (51) fixedly connected with the outer wall of the circular baffle plate (5).
4. The spring compression tooling of claim 1, further comprising:
a limit sleeve (8) sleeved on the compression bar (2);
the first end of the limiting sleeve (8) is arranged in the limiting ring (11) and is fixedly connected with the inner wall of the limiting ring (11);
the second end of the limit sleeve (8) is fixedly connected with the shaft collar (31) through a disc.
5. The spring compression tooling of any one of claims 1 to 4, further comprising: an end cover (12) fixedly connected with the cylinder (1); the spring pressing device (7) is connected with the end cover (12) in a contact way.
6. The spring compression tooling of claim 5, wherein the end cap (12) is a ring structure of a preset thickness, and the first end surface of the end cap (12) is provided with an annular groove of a preset depth;
the end cover (12) is sleeved at the second end part of the cylinder body (1) through the annular groove, and a first groove wall (121) of the annular groove is fixedly connected with the second end part of the cylinder body (1);
an end face of the second groove wall (122) of the annular groove is in contact connection with the first end of the spring pressing device (7).
7. Spring compression tooling according to claim 1, characterized in that the compression bar (2) is connected to the second end of the spring pressing means (7) by means of a connecting ring (6).
8. The spring compression tooling of claim 7, further comprising:
a sensor (9) arranged between the pressure lever (2) and the connecting ring (6);
the first end face of the sensor (9) is fixedly connected with the compression bar (2), and the second end face of the sensor (9) is fixedly connected with the connecting ring (6).
9. The spring compression tooling according to claim 8, wherein the sensor (9) is a hollow solid of revolution structure;
the first end of the pressure rod (2) is provided with a second pressure plate (21) which is integrally formed with the pressure rod (2), and the pressure rod (2) is fixedly connected with the sensor (9) through the second pressure plate (21).
10. The spring compression tool according to claim 7, wherein at least one limiting groove is formed in the cylinder (1), and a limiting pin is arranged on the connecting ring (6) and slides in the limiting groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320982851.5U CN219705026U (en) | 2023-04-23 | 2023-04-23 | Spring compression tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320982851.5U CN219705026U (en) | 2023-04-23 | 2023-04-23 | Spring compression tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219705026U true CN219705026U (en) | 2023-09-19 |
Family
ID=88015318
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320982851.5U Active CN219705026U (en) | 2023-04-23 | 2023-04-23 | Spring compression tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219705026U (en) |
-
2023
- 2023-04-23 CN CN202320982851.5U patent/CN219705026U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 264000 No.1, Haixiang Middle Road, Fengcheng Street, Haiyang City, Yantai City, Shandong Province Patentee after: Dongfang space technology (Shandong) Co.,Ltd. Country or region after: China Patentee after: Dongfang Space (Jiangsu) Aerospace Power Co.,Ltd. Patentee after: Oriental space technology (Beijing) Co.,Ltd. Patentee after: Orient Space (Hainan) Technology Co.,Ltd. Address before: 264000 No.1, Haixiang Middle Road, Fengcheng Street, Haiyang City, Yantai City, Shandong Province Patentee before: Dongfang space technology (Shandong) Co.,Ltd. Country or region before: China Patentee before: Oriental space technology (Beijing) Co.,Ltd. Patentee before: Dongfang Space (Jiangsu) Aerospace Power Co.,Ltd. Patentee before: Orient Space (Hainan) Technology Co.,Ltd. Address after: 264000 No.1, Haixiang Middle Road, Fengcheng Street, Haiyang City, Yantai City, Shandong Province Patentee after: Dongfang space technology (Shandong) Co.,Ltd. Country or region after: China Patentee after: Oriental space technology (Beijing) Co.,Ltd. Patentee after: Dongfang Space (Jiangsu) Aerospace Power Co.,Ltd. Patentee after: Orient Space (Hainan) Technology Co.,Ltd. Address before: 264000 No.1, Haixiang Middle Road, Fengcheng Street, Haiyang City, Yantai City, Shandong Province Patentee before: Dongfang space technology (Shandong) Co.,Ltd. Country or region before: China Patentee before: Oriental space technology (Beijing) Co.,Ltd. Patentee before: Oriental space (Xi'an) Aerospace Technology Co.,Ltd. Patentee before: Orient Space (Hainan) Technology Co.,Ltd. |
|
| CP03 | Change of name, title or address |