CN211519900U - Spring separation device - Google Patents
Spring separation device Download PDFInfo
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- CN211519900U CN211519900U CN201921394191.9U CN201921394191U CN211519900U CN 211519900 U CN211519900 U CN 211519900U CN 201921394191 U CN201921394191 U CN 201921394191U CN 211519900 U CN211519900 U CN 211519900U
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- push rod
- ejector rod
- separated
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Abstract
The utility model relates to a spring separation device, which comprises a mandril, a mandril adapter plate, a push rod, a separation device fixing plate, a spring sleeve, a spring, a tool A and a tool B; the ejector rod is fixed with one end of the push rod through an ejector rod adapter plate, and the ejector rod, the ejector rod adapter plate and the push rod form an ejector rod moving assembly of the spring separation device together; the spring sleeve is provided with a flange plate which is connected with the separating device fixing plate, the separating device fixing plate is connected with a component to be separated, the push rod main body is arranged in the spring sleeve, the other end of the push rod extends out of the spring sleeve and is fixedly connected with a tool A, the tool B is sleeved outside the tool A, the inner wall surface of the tool B is connected with the tool A in a threaded mode, the end part of the tool B is contacted with the bottom of the spring sleeve, and the tool A drives the push rod to move by rotating the tool B so as to compress the spring between the push rod and the spring sleeve; after the spring separation device is installed in place, the front end face of the ejector rod is kept in contact with the rear end face of the other part to be separated.
Description
Technical Field
The utility model relates to a spring separation device belongs to the many bodies of aircraft separation technical field.
Background
The cabin separation on the aerospace vehicle is usually realized by adopting a spring separation device, and the spring separation device has the following advantages: the spring separation device can be used for multiple times, the size of the separation force can be accurately measured on the ground, and the separation force or the separation energy can be accurately controlled by adjusting the initial compression amount or the separation stroke.
The existing spring separation device adopts the form of a single spring and a single ejector rod, and is used singly or in groups according to specific requirements. In some cases, however, the above-described devices cannot be employed due to limitations in available space for separating two sections, etc.
SUMMERY OF THE UTILITY MODEL
The utility model provides a technical problem be: the spring separation device overcomes the defects of the prior art, provides a single-spring multi-ejector-rod spring separation device, and can meet the requirements of strong space adaptability, high reliability, good synchronism of all the ejector rods, stable separation posture of the front cabin and the like.
The utility model provides a technical scheme be: a spring separation device comprises an ejector rod, an ejector rod adapter plate, a push rod, a separation device fixing plate, a spring sleeve, a spring, a tool A and a tool B; the ejector rod is fixed with one end of the push rod through an ejector rod adapter plate, and the ejector rod, the ejector rod adapter plate and the push rod form an ejector rod moving assembly of the spring separation device together; the spring sleeve is provided with a flange plate which is connected with the separating device fixing plate, the separating device fixing plate is connected with a component to be separated, the push rod main body is arranged in the spring sleeve, the other end of the push rod extends out of the spring sleeve and is fixedly connected with a tool A, the tool B is sleeved outside the tool A, the inner wall surface of the tool B is connected with the tool A in a threaded mode, the end part of the tool B is contacted with the bottom of the spring sleeve, and the tool A drives the push rod to move by rotating the tool B so as to compress the spring between the push rod and the spring sleeve; after the spring separation device is installed in place, the front end face of the ejector rod is kept in contact with the rear end face of the other part to be separated.
Preferably, the part to be separated is a rear cabin section, the other part to be separated is a front cabin section, after the part to be separated is installed in place, the tool A and the tool B are taken down, and the spring force directly acts on the push rod.
Preferably, the number of the push rods is more than one.
Preferably, the push rods are symmetrically distributed relative to the center of mass of the other part to be separated.
Preferably, the ejector rod is provided with an annular limiting boss, and the spring separating device works to a specified stroke by matching the boss with the component to be separated.
Preferably, a gap of 0.5-1.5mm is reserved between the front section cylindrical surface of the ejector rod and the guide hole penetrating through the part to be separated.
Preferably, a gap of 0.5-1.5mm is reserved between the push rod and the inner wall of the sleeve.
Preferably, the roughness of the outer surface of the push rod, the inner surface of the sleeve, the outer surface of the push rod and the cylindrical surface of the guide hole of the part to be separated is not more than 3.2 microns.
Preferably, one end of the tool A is connected with the internal thread at the end part of the push rod, and the other end of the tool A is connected with the internal thread of the tool B.
Preferably, the push rod is a cylinder, an annular flange is arranged on the outer cylindrical surface of the cylinder, one end of the cylinder is used for being fixed with the push rod adapter plate, the annular flange is in contact with one end of the spring and limits the spring, the other end of the cylinder is connected with the tool A in an internal thread mode, and meanwhile, a lightening hole or a lightening groove is arranged as required.
Compared with the prior art, the utility model beneficial effect be:
the device can be used for many times in the links of trial assembly, ground test and the like; the separation force and the separation stroke can be accurately controlled through ground measurement and calculation; the tool can conveniently realize the compression and locking of the spring; the device has simple characteristics of related parts and good processing and assembling manufacturability.
The device of the utility model can be optimized into a single-spring multi-ejector-rod spring separation device, and can simultaneously meet the requirements of strong space adaptability, high reliability and good synchronism of each ejector rod; and because the ejector rods of the spring separation device are symmetrically distributed on different sides of the center of mass of the front cabin section, the stability of the posture of the front cabin section is favorably maintained.
Drawings
FIG. 1 is a three-dimensional view of the spring separation device of the present invention in a tool locking state;
FIG. 2 is a front view of the spring separation device of the present invention in a locked state;
FIG. 3 is a sectional view of FIG. 2A-A;
FIG. 4 is a three-dimensional view of the spring separation device of the present invention in a disassembled state;
FIG. 5 is a front view of the spring separator assembly of the present invention in a disassembled state;
FIG. 6 is a sectional view of FIG. 5A-A;
FIG. 7 is a three-dimensional view of the spring separator according to the present invention after completion of the operation;
FIG. 8 is a front view of the spring separator of the present invention after completion of its operation;
FIG. 9 is a sectional view of FIG. 8A-A;
in the figure: 1 rear cabin section, 2 front cabin section, 3 ejector rods, 4 connecting screws, 5 ejector rod adapter plates, 6 push rods, 7 separating device fixing plates, 8 spring sleeves, 9 springs, 10 tooling A and 11 tooling B.
Detailed Description
The present invention will be further explained with reference to the following examples.
As shown in fig. 1-9, the utility model provides a technical solution: a spring separation device comprises a rear cabin section 1, a front cabin section 2, an ejector rod 3, a connecting screw 4, an ejector rod adapter plate 5, a push rod 6, a separation device fixing plate 7, a spring sleeve 8, a spring 9, a tool A10 and a tool B11, wherein the ejector rod is fixed with one end of the push rod through the ejector rod adapter plate, and the ejector rod, the ejector rod adapter plate and the push rod jointly form an ejector rod movement assembly of the spring separation device; the spring sleeve is provided with a flange plate which is connected with the separating device fixing plate, the separating device fixing plate is connected with a component to be separated, the push rod main body is arranged in the spring sleeve, the other end of the push rod extends out of the spring sleeve and is fixedly connected with a tool A, the tool B is sleeved outside the tool A, the inner wall surface of the tool B is connected with the tool A in a threaded mode, the end part of the tool B is contacted with the bottom of the spring sleeve, and the tool A drives the push rod to move by rotating the tool B so as to compress the spring between the push rod and the spring sleeve; after the spring separation device is installed in place, the front end face of the ejector rod is kept in contact with the rear end face of the other part to be separated.
As shown in fig. 1-9, the push rod is a cylinder, an annular flange is arranged on the outer cylindrical surface of the cylinder, one end of the cylinder is used for being fixed with the push rod adapter plate, the annular flange is in contact with one end of the spring and limits the spring, the other end of the cylinder is connected with the tool a in an internal thread mode, and meanwhile, a weight reduction hole or a weight reduction groove is arranged as required.
Description of the principle: after the tool B and the tool A are taken down, the elastic force of the spring is transmitted to the front cabin section through the ejector rod movement assembly, after the connection between the front cabin section and the rear cabin section is cut off, the energy of the spring is released, the ejector rod movement assembly consisting of the push rod, the ejector rod connecting plate and the ejector rod is driven to move forwards, the ejector rods symmetrically act on different sides of the mass center of the front cabin section, and the stable separation of the front cabin section and the rear cabin section is realized.
The ejector rod is provided with an annular limiting boss, so that the spring separating device can work to a specified stroke; a 1mm gap is reserved between the front section cylindrical surface of the ejector rod and the rear cabin section circular hole, and the separating device plays a role in guiding the movement of the separating device; a 1mm gap is reserved between the push rod and the sleeve circular hole, and the movement of the separating device is guided; the roughness of the cylindrical surfaces of the outer surface of the push rod, the inner surface of the sleeve, the outer surface of the ejector rod and the guide hole of the rear cabin section is not more than 3.2 mu m; the ejector rods are symmetrically distributed on different sides of the center of mass of the front cabin section, so that the stability of the posture of the front cabin section is maintained.
Although the present invention has been disclosed in the preferred embodiments, it is not intended to limit the present invention, and any person skilled in the art can use the above-mentioned method and technical contents to make possible changes and modifications to the technical solution of the present invention without departing from the spirit and scope of the present invention, therefore, any simple modification, equivalent changes and modifications made to the above embodiments by the technical substance of the present invention all belong to the protection scope of the technical solution of the present invention.
Claims (10)
1. A spring separation device, characterized in that: the device comprises an ejector rod, an ejector rod adapter plate, a push rod, a separating device fixing plate, a spring sleeve, a spring, a tool A and a tool B; the ejector rod is fixed with one end of the push rod through an ejector rod adapter plate, and the ejector rod, the ejector rod adapter plate and the push rod form an ejector rod moving assembly of the spring separation device together; the spring sleeve is provided with a flange plate which is connected with the separating device fixing plate, the separating device fixing plate is connected with a component to be separated, the push rod main body is arranged in the spring sleeve, the other end of the push rod extends out of the spring sleeve and is fixedly connected with a tool A, the tool B is sleeved outside the tool A, the inner wall surface of the tool B is connected with the tool A in a threaded mode, the end part of the tool B is contacted with the bottom of the spring sleeve, and the tool A drives the push rod to move by rotating the tool B so as to compress the spring between the push rod and the spring sleeve; after the spring separation device is installed in place, the front end face of the ejector rod is kept in contact with the rear end face of the other part to be separated.
2. The apparatus of claim 1, wherein: the part to be separated is a rear cabin section, the other part to be separated is a front cabin section, after the part to be separated is installed in place, the tool A and the tool B are taken down, and the spring force directly acts on the push rod.
3. The apparatus of claim 1, wherein: the number of the ejector rods is more than one.
4. The apparatus of claim 3, wherein: the ejector rods are symmetrically distributed relative to the center of mass of the other part to be separated.
5. The apparatus of claim 1 or 3, wherein: the ejector rod is provided with an annular limiting boss, and the spring separating device works to a specified stroke by matching the boss with the part to be separated.
6. The apparatus of claim 1 or 3, wherein: a gap of 0.5-1.5mm is reserved between the front section cylindrical surface of the ejector rod and the guide hole penetrating through the part to be separated.
7. The apparatus of claim 1, wherein: a gap of 0.5-1.5mm is reserved between the push rod and the inner wall of the sleeve.
8. The apparatus of claim 1, wherein: the roughness of the outer surface of the push rod, the inner surface of the sleeve, the outer surface of the ejector rod and the cylindrical surface of the guide hole of the part to be separated is not more than 3.2 mu m.
9. The apparatus of claim 1, wherein: one end of the tool A is connected with the internal thread at the end part of the push rod, and the other end of the tool A is connected with the internal thread of the tool B.
10. The apparatus of claim 1, wherein: the push rod is a cylinder, an annular flange is arranged on the outer cylindrical surface of the cylinder, one end of the cylinder is used for being fixed with the ejector rod adapter plate, the annular flange is in contact with one end of the spring and limits the spring, the other end of the cylinder is connected with the tool A in an internal thread mode, and meanwhile, lightening holes or lightening grooves are formed as required.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921394191.9U CN211519900U (en) | 2019-08-26 | 2019-08-26 | Spring separation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921394191.9U CN211519900U (en) | 2019-08-26 | 2019-08-26 | Spring separation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211519900U true CN211519900U (en) | 2020-09-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921394191.9U Active CN211519900U (en) | 2019-08-26 | 2019-08-26 | Spring separation device |
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| CN (1) | CN211519900U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112793801A (en) * | 2021-04-02 | 2021-05-14 | 成都云鼎智控科技有限公司 | Unmanned aerial vehicle boosting structure and unmanned aerial vehicle launcher |
| CN113218255A (en) * | 2021-04-28 | 2021-08-06 | 北京星途探索科技有限公司 | Separation mechanism with adjustable radome separation power |
-
2019
- 2019-08-26 CN CN201921394191.9U patent/CN211519900U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112793801A (en) * | 2021-04-02 | 2021-05-14 | 成都云鼎智控科技有限公司 | Unmanned aerial vehicle boosting structure and unmanned aerial vehicle launcher |
| CN113218255A (en) * | 2021-04-28 | 2021-08-06 | 北京星途探索科技有限公司 | Separation mechanism with adjustable radome separation power |
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