阅读说明：本技术 一种用于航天动力试验新型真空绝热深冷压力容器 (Novel vacuum heat insulation deep cooling pressure vessel for aerospace power test ) 是由 郭东伟 陈林 侯永柱 王文民 刘华锁 于 2019-10-31 设计创作，主要内容包括：本发明公开了一种用于航天动力试验新型真空绝热深冷压力容器,涉及航天动力试验技术领域,包括设备承载基座,所述设备承载基座的顶部端面对称式固定焊接固定有两个承载框架,所述两个承载框架的顶部共同安装设置有一个压力罐体,所述压力罐体的一侧端面连通式焊接固定有检修门,所述压力罐体的顶部端面嵌入式固定安装有压力传感器,在现有压力容器中加装有两个对称设置的抗压加强结构,该结构安装在压力容器的内部,当压强容器面对航天动力试验时,可以大幅度提高整个压力容器的抗压性能,并且该抗压加强结构,自身的半径可根据不同内径的压力容器进行调节,以便压力容器的生产和加工,具有生产成本低,生产工艺简单等优势。(The invention discloses a novel vacuum heat insulation cryogenic pressure vessel for an aerospace power test, which relates to the technical field of aerospace power tests and comprises an equipment bearing base, wherein two bearing frames are symmetrically and fixedly welded on the top end surface of the equipment bearing base, a pressure tank body is jointly installed and arranged on the tops of the two bearing frames, an access door is fixedly welded on one side end surface of the pressure tank body in a communicating manner, a pressure sensor is fixedly installed on the top end surface of the pressure tank body in an embedded manner, two symmetrically arranged compression-resistant reinforcing structures are additionally installed in the existing pressure vessel and are installed in the pressure vessel, when the pressure vessel faces the aerospace power test, the compression resistance of the whole pressure vessel can be greatly improved, and the radius of the compression-resistant reinforcing structures can be adjusted according to the pressure vessels with different inner diameters, so that the production and processing of the pressure container are facilitated, and the advantages of low production cost, simple production process and the like are achieved.)

1. The utility model provides a be used for experimental novel vacuum insulation cryrogenic pressure vessel of space flight power, includes equipment bearing base (1), its characterized in that: the fixed welded fastening of the top end face symmetry formula of equipment bearing base (1) has two bearing frame (2), the top of two bearing frame (2) is installed jointly and is provided with a pressure tank body (3), a side end face intercommunication formula welded fastening of pressure tank body (3) has access door (4), the embedded fixed mounting of top end face of pressure tank body (3) has pressure sensor (5), the top end face of equipment bearing base (1) and the one side position department fixed mounting that is located bearing frame (2) have vacuum air exhaust device (7), the terminal top end face with the pressure tank body (3) of bleeding of vacuum air exhaust device (7) concatenates mutually, the top end face of equipment bearing base (1) and the rear side position department fixed mounting that is located vacuum air exhaust device (7) have electric cabinet (8), the front side end face of electric cabinet (8) is from last to having controller (9) down in proper order fixed mounting, Switch (10) and pressure display (11), the fixed one deck heat-insulating material (12) that is provided with of inside wall of the pressure tank body (3), and the inside of the pressure tank body (3) is fixed respectively and is provided with first resistance to compression additional strengthening (13) and second resistance to compression additional strengthening (14), the first resistance to compression additional strengthening (13) and the second resistance to compression additional strengthening (14) adjacent one end correspond fixedly connected with first linking up subassembly (15) and second linking up subassembly (16) respectively.

2. The novel vacuum heat-insulation cryogenic pressure vessel for the aerospace power test, according to claim 1, is characterized in that: and two steel hanging rings (6) are symmetrically, fixedly and welded on one side of the top end surface of the pressure tank body (3) and positioned on the pressure sensor (5).

3. The novel vacuum heat-insulation cryogenic pressure vessel for the aerospace power test, according to claim 1, is characterized in that: the first compression-resistant reinforcing structure (13) and the second compression-resistant reinforcing structure (14) are members with the same structure, size and shape, and the first compression-resistant reinforcing structure (13) and the second compression-resistant reinforcing structure (14) are arranged inside the pressure tank body (3) in a manner that the center points of the pressure tank body (3) are mutually symmetrical.

4. The novel vacuum heat-insulation cryogenic pressure vessel for the aerospace power test, according to claim 1, is characterized in that: vacuum air exhaust device (7) include vacuum pump (71) of fixed mounting on equipment bears base (1) top terminal surface, the air inlet of vacuum pump (71) concatenates the end of giving vent to anger that is provided with a district section conveyer pipe (73), the end of giving vent to anger that is provided with two district section conveyer pipes (74) of district section conveyer pipe (73) concatenates, a plurality of air inlet has been seted up in two district section conveyer pipes (74), and a plurality of air inlet corresponds bleeder (75) of quantity looks adaptation respectively, every the air inlet of bleeder (75) concatenates jointly and is provided with a pipeline frame (76) that are the rectangle structure, the end of giving vent to anger of a plurality of exhaust tubes (77) is connected in series to the bottom terminal surface of rectangle structure pipeline.

5. The novel vacuum heat-insulation cryogenic pressure vessel for the aerospace power test, according to claim 4, is characterized in that: a throttle valve (72) is arranged in series in a section of the section conveying pipe (73) close to the vacuum pump (71), and the air inlet end of the air exhaust pipe (77) extends to the inside of the pressure tank body (3).

6. The novel vacuum heat-insulation cryogenic pressure vessel for the aerospace power test, according to claim 3, is characterized in that: the first compression-resistant reinforcing structure (13) comprises a first rotating part (131), the middle position inside the first rotating part (131) is connected with a rotatable driving rod (133) in a threaded mode, a nut (135) is fixedly sleeved and arranged at one end of the driving rod (133), the other end of the driving rod (133) extends to the upper part of the first switching piece (131), and is fixedly connected with a second adaptor (136), one end of two adjusting rods (137) is symmetrically and rotatably connected inside the second adaptor (136), the other ends of the two adjusting rods (137) are respectively and rotatably connected with a joint rod (1310), the joint rod (1310) is positioned inside the reinforcing plate (138), and the two ends of the connecting rod (1310) are rotatably connected with the reinforcing plate (138), a rotatable linkage rod (139) is arranged between one end of each adjusting rod (137) and the first rotating part (131).

7. The novel vacuum heat-insulation cryogenic pressure vessel for the aerospace power test, according to claim 6, is characterized in that: the connection structure who forms the rotary type through screw thread axle sleeve (132) and external screw thread (134) respectively between first adaptor (131) and actuating lever (133), the embedded fixed connection of screw thread axle sleeve (132) is in the inside of first adaptor (131), the fixed one end surface of seting up at actuating lever (133) of external screw thread (134).

8. The novel vacuum heat-insulation cryogenic pressure vessel for the aerospace power test, according to claim 1, is characterized in that: the reinforcing plate (138) is of a semicircular stainless steel structure, and the size of the reinforcing plate (138) is matched with the inner diameter of the pressure tank body (3).

9. The novel vacuum heat-insulation cryogenic pressure vessel for the aerospace power test, according to claim 1, is characterized in that: the first engaging component (15) comprises a first disc body (151) and a limiting sliding groove (152), and the limiting sliding groove (152) of an annular structure is fixedly formed in the end face, adjacent to the second engaging component (16), of the first disc body (151).

10. The novel vacuum insulation cryogenic pressure vessel for the aerospace power test according to claim 9, wherein: the second links up subassembly (16) and includes second disk body (161), telescopic link (162) and reset spring (163), second disk body (161) and the first terminal surface fixed mounting who links up the subassembly (15) adjacent have a plurality of to be the telescopic link (162) that the annular distributes, the flexible end of telescopic link (162) is adjacent with first linking subassembly (15) to reset spring (163) have been cup jointed to the fixed, the flexible end size of telescopic link (162) and the internal diameter size looks adaptation of spacing spout (152).

Technical Field

The invention relates to the technical field of aerospace power tests, in particular to a novel vacuum heat-insulation cryogenic pressure vessel for aerospace power tests.

Background

The aerospace power system test is an indispensable key link in the aerospace engineering development process, the test technology is a complex comprehensive technology of a gate pole, the test engineering is huge system engineering, the aerospace power system test has the characteristics of high test cost and high risk, the aerospace engineering has higher and higher requirements on the power system test along with the development of aerospace industry, one of the items in the aerospace power system test is to detect a pressure container, and the detection of the item is particularly critical because liquid nitrogen and other substances are stored in the pressure container.

However, the pressure vessel used in the current aerospace power system test is not only complex in structure, but also single in function, and when the pressure vessel faces the aerospace power test, the pressure vessel must ensure super-strong pressure resistance, so that the technical personnel in the field provide a novel vacuum heat insulation cryogenic pressure vessel for the aerospace power test.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a novel vacuum heat-insulation deep-cooling pressure vessel for an aerospace power test, and the pressure vessel can greatly improve the compression resistance of the pressure vessel in the face of the aerospace power test through a compression-resistance reinforcing structure designed in the structure of the pressure vessel.

In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a be used for experimental novel vacuum insulation cryrogenic pressure vessel of space flight power, includes equipment bearing base, the fixed welded fastening of the top end face symmetry formula of equipment bearing base has two bearing frame, two bearing frame's the common installation in top is provided with a pressure tank body, a side end face intercommunication formula welded fastening of the pressure tank body has the access door, the embedded fixed mounting of top end face of the pressure tank body has pressure sensor, the top end face of equipment bearing base and the one side position department fixed mounting who is located bearing frame have vacuum air exhaust device, vacuum air exhaust device's the end of bleeding concatenates mutually with the top end face of the pressure tank body, the top end face of equipment bearing base and the rear side position department fixed mounting who is located vacuum air exhaust device have the electric cabinet, the front side end face of electric cabinet is from last to having controller, controller, Switch and pressure display, the fixed one deck heat-insulating material that is provided with of pressure tank's inside wall, and pressure tank's inside is fixed respectively and is provided with first resistance to compression additional strengthening and second resistance to compression additional strengthening, the adjacent one end of first resistance to compression additional strengthening and second resistance to compression additional strengthening corresponds the first subassembly that links up of fixedly connected with and the second links up the subassembly respectively.

Preferably, the top end face of the pressure tank body and one side of the pressure sensor are symmetrically and fixedly welded with two steel hanging rings.

Preferably, the first compressive reinforcement structure and the second compressive reinforcement structure are two members with the same structure, size and shape, and the first compressive reinforcement structure and the second compressive reinforcement structure are arranged inside the pressure tank body symmetrically with respect to the center point of the pressure tank body.

Preferably, the vacuum pumping device includes the vacuum pump of fixed mounting on equipment bears base top end face, the air inlet of vacuum pump concatenates the end of giving vent to anger that is provided with a district section conveyer pipe, the end of giving vent to anger that the end concatenates and is provided with two district section conveyer pipes of a district section conveyer pipe, two district section conveyer pipes have seted up a plurality of air inlet, and a plurality of air inlet corresponds the bleeder of quantity looks adaptation respectively, every the air inlet of bleeder concatenates jointly and is provided with a pipeline frame that is the rectangle structure, the end of giving vent to anger that the bottom terminal surface of rectangle structure pipeline frame is fixed to have concatenated a plurality of exhaust tubes.

Preferably, a throttle valve is arranged in series in a section of the section conveying pipe close to the vacuum pump, and an air inlet end of the exhaust pipe extends to the inside of the pressure tank body.

Preferably, first resistance to compression additional strengthening includes first adaptor, the inside intermediate position of first adaptor is connected with a rotatable actuating lever through the threaded mode, the fixed cover of one end of actuating lever connects and is provided with the nut, the other end of actuating lever extends to the top of first adaptor to fixedly connected with second adaptor, the inside symmetry formula of second adaptor rotates the one end that is connected with two regulation poles, the other end of two regulation poles all rotates and is connected with the joint pole, the joint pole is located the inside of reinforcing plate to be connected for rotating between the both ends of joint pole and the reinforcing plate, all be provided with a rotatable gangbar between the one end of two regulation poles and the first adaptor.

Preferably, the connection structure who forms the rotary type through screw thread axle sleeve and external screw thread respectively between first adaptor and the actuating lever, the embedded fixed connection of screw thread axle sleeve is in the inside of first adaptor, the fixed one end surface of seting up at the actuating lever of external screw thread.

Preferably, the reinforcing plate is of a semicircular stainless steel structure, and the size of the reinforcing plate is matched with the size of the inner diameter of the pressure tank body.

Preferably, the first joining component comprises a first disc body and a limiting sliding groove, and the limiting sliding groove of the annular structure is fixedly formed in the end face, adjacent to the second joining component, of the first disc body.

Preferably, the second links up the subassembly and includes second disk body, telescopic link and reset spring, the second disk body has a plurality of to be the telescopic link that the annular distributes with the first terminal surface fixed mounting that links up the subassembly adjacent, the flexible end of telescopic link is adjacent with the first subassembly that links up to fixed the cup joint has reset spring, the flexible end size of telescopic link and the internal diameter size looks adaptation of spacing spout.

Advantageous effects

The invention provides a novel vacuum heat-insulation cryogenic pressure vessel for an aerospace power test. Compared with the prior art, the method has the following beneficial effects:

1. this a novel vacuum insulation cryrogenic pressure vessel for space flight power test through adding the resistance to compression additional strengthening that is equipped with two symmetries and sets up in current pressure vessel, this structrual installation is in pressure vessel's inside, when pressure vessel is in the face of space flight power test, can increase substantially whole pressure vessel's compressive property, and this resistance to compression additional strengthening, the radius of self can be adjusted according to the pressure vessel of different internal diameters, so that pressure vessel's production and processing, it is high to have the practicality, low in production cost, advantages such as production simple process.

2. This be used for experimental novel vacuum insulation cryrogenic pressure vessel of space flight power is provided with pressure sensor through the installation in pressure vessel, when normally carrying out the space flight power test, pressure sensor can monitor the pressure value in the pressure vessel constantly to through a series of control structure, in time stop vacuum apparatus's operating condition, structure scientific and reasonable, convenience safe in utilization.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the internal structure of the pressure tank of the present invention;

FIG. 3 is a schematic view of the vacuum pumping apparatus according to the present invention;

FIG. 4 is a front view of a first crush reinforcement and a second crush reinforcement of the present invention;

FIG. 5 is a top view of a first crush reinforcement and a second crush reinforcement of the present invention;

FIG. 6 is a top view of the first engagement assembly of the present invention;

FIG. 7 is a front view of a second engagement assembly of the present invention;

FIG. 8 is a bottom view of the second engagement assembly of the present invention;

fig. 9 is a schematic structural diagram of the constant pressure of the pressure tank of the present invention.

In the figure: 1. an equipment carrying base; 2. a load-bearing frame; 3. a pressure tank body; 4. an access door; 5. a pressure sensor; 6. hanging a ring; 7. a vacuum pumping device; 71. a vacuum pump; 72. a throttle valve; 73. a section conveying pipe; 74. a two-section conveying pipe; 75. a branch pipe; 76. a pipeline frame; 77. an air exhaust pipe; 8. an electric cabinet; 9. a controller; 10. a power switch; 11. a pressure display; 12. a thermally insulating material; 13. a first compression reinforcement structure; 131. a first transfer member; 132. a threaded shaft sleeve; 133. a drive rod; 134. an external thread; 135. a nut; 136. a second adaptor; 137. adjusting a rod; 138. a reinforcing plate; 139. a linkage rod; 1310. a connecting rod; 14. a second compressive reinforcement structure; 15. a first engagement assembly; 151. a first tray body; 152. a limiting chute; 16. a second engagement assembly; 161. a second tray body; 162. a telescopic rod; 163. a return spring.

Detailed Description

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 only a part of the embodiments of the present invention, and not all of the embodiments. 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.

Referring to fig. 1-2, the present invention provides a technical solution: a novel vacuum heat insulation cryogenic pressure vessel for an aerospace power test comprises an equipment bearing base 1, wherein two bearing frames 2 are symmetrically fixedly welded and fixed on the top end face of the equipment bearing base 1, a pressure tank body 3 is jointly installed and arranged on the tops of the two bearing frames 2, an access door 4 is fixedly welded and fixed on one side end face of the pressure tank body 3 in a communicated mode, a pressure sensor 5 is fixedly installed on the top end face of the pressure tank body 3 in an embedded mode, a vacuum air exhaust device 7 is fixedly installed on the top end face of the equipment bearing base 1 and located at one side position of the bearing frames 2, the air exhaust end of the vacuum air exhaust device 7 is connected with the top end face of the pressure tank body 3 in series, an electric cabinet 8 is fixedly installed on the top end face of the equipment bearing base 1 and located at the rear side position of the vacuum air exhaust device 7, a controller 9 is fixedly installed on, Power switch 10 and pressure display 11, the fixed one deck heat-insulating material 12 that is provided with of the inside wall of the pressure tank body 3, and the inside of the pressure tank body 3 is fixed respectively and is provided with first resistance to compression additional strengthening 13 and second resistance to compression additional strengthening 14, the first resistance to compression additional strengthening 13 and the adjacent one end of second resistance to compression additional strengthening 14 correspond the first subassembly 15 that links up of fixedly connected with and the second subassembly 16 that links up respectively, the top end face of the pressure tank body 3 just is located one side position symmetry formula fixed welding of pressure sensor 5 and is provided with two steel suspension loops 6, first resistance to compression additional strengthening 13 and second resistance to compression additional strengthening 14 are two structures, the equal same component of size and shape, and first resistance to compression additional strengthening 13 and second resistance to compression additional strengthening 14 are in the inside of the pressure tank body 3, it sets up each other symmetrically to use the central point of the pressure.

Referring to fig. 3, the vacuum pumping device 7 includes a vacuum pump 71 fixedly mounted on the top end surface of the equipment bearing base 1, an air inlet of the vacuum pump 71 is serially connected with an air outlet end of a first section conveying pipe 73, an air inlet end of the first section conveying pipe 73 is serially connected with an air outlet end of a second section conveying pipe 74, the second section conveying pipe 74 is provided with a plurality of air inlets, the plurality of air inlets respectively correspond to a plurality of branch pipes 75, the air inlet end of each branch pipe 75 is serially connected with a pipeline frame 76 having a rectangular structure, the bottom end surface of the pipeline frame 76 having the rectangular structure is fixedly serially connected with the air outlet ends of a plurality of pumping pipes 77, a section conveying pipe 73 close to the vacuum pump 71 is serially connected with a throttle valve 72, and the air inlet end of the pumping pipe 77 extends to the inside of the.

Referring to fig. 4-5, the first pressure-resistant reinforcing structure 13 includes a first adaptor 131, a rotatable driving rod 133 is connected to an inner middle position of the first adaptor 131 through a screw thread, a nut 135 is fixedly secured to one end of the driving rod 133, the other end of the driving rod 133 extends to a position above the first adaptor 131, and is fixedly connected to a second adaptor 136, one ends of two adjusting rods 137 are symmetrically and rotatably connected to an inner portion of the second adaptor 136, the other ends of the two adjusting rods 137 are rotatably connected to a connecting rod 1310, the connecting rod is located inside the reinforcing plate 138, two ends of the connecting rod 1310 are rotatably connected to the reinforcing plate 138, a rotatable linkage rod 139 is disposed between one end of each adjusting rod 137 and the first adaptor 131, and a rotatable connecting structure is formed between the first adaptor 131 and the driving rod 133 through a screw thread shaft sleeve 132 and an external thread 134, the threaded shaft sleeve 132 is fixedly connected inside the first adapter 131 in an embedded manner, the external thread 134 is fixedly arranged on one end surface of the driving rod 133, the reinforcing plate 138 is of a semicircular stainless steel structure, and the size of the reinforcing plate 138 is matched with the inner diameter of the pressure tank 3.

Referring to fig. 6, the first engaging assembly 15 includes a first tray 151 and a limiting sliding groove 152, and the adjacent end surfaces of the first tray 151 and the second engaging assembly 16 are fixedly provided with the limiting sliding groove 152 having an annular structure.

Referring to fig. 7-8, the second engaging assembly 16 includes a second disc 161, a plurality of annularly distributed telescopic rods 162 fixedly mounted on the end surface of the second disc 161 adjacent to the first engaging assembly 15, a plurality of return springs 163 fixedly mounted on the telescopic ends of the telescopic rods 162 adjacent to the first engaging assembly 15, and a size of the telescopic ends of the telescopic rods 162 is matched with the inner diameter of the limiting sliding groove 152.

Referring to fig. 9, in the present embodiment, the pressure sensor 5, the controller 9 and the vacuum pump 71 are electrically connected to the power switch 10 in two directions, the output terminal of the pressure sensor 5 is electrically connected to the input terminal of the controller 9, the output terminal of the controller 9 is electrically connected to the input terminal of the vacuum pump 71, the model of the pressure sensor 5 is CYYZ11, the model of the controller 9 is MAM-100, the model of the vacuum pump 71 is FUJ-PCV, and the above components have their own structural features, operation principles and specific circuit structures electrically connected to the outside, which are not described in detail herein.

When in use, firstly, in the production process of the pressure vessel, the first pressure-resistant reinforcing structure 13 and the second pressure-resistant reinforcing structure 14 need to be respectively and correspondingly installed inside the pressure vessel, when in installation, the first connecting component 15 and the second connecting component 16 are respectively and correspondingly installed at the tail end of the driving rod 133 in the first pressure-resistant reinforcing structure 13 and the tail end of the driving rod 133 in the second pressure-resistant reinforcing structure 14, firstly, the first pressure-resistant reinforcing structure 13 is additionally installed, the nut 135 is rotated through a tool, and because the nut 135 and the driving rod 133 are fixedly connected, the driving rod 133 can rotate along with the nut 135, when the driving rod 133 rotates, the second connecting component 136 can be driven to move downwards, under the action of the linkage rod 139, the two adjusting rods 137 can respectively drive the reinforcing plates 138 which are respectively connected to be unfolded until the outer walls of the two reinforcing plates 138 are attached to the inner wall of the pressure vessel body 3, the nut 135 can not rotate, and can be stopped, and in the same way, the installation of the second anti-pressure reinforcing structure 14 can be completed, in the process of installing the second anti-pressure reinforcing structure 14, it needs to be noted that the first connecting component 15 and the second connecting component 16 are mutually connected in a butt joint manner, and the butt joint action of the first connecting component and the second connecting component can directly form the mutual acting force of the first anti-pressure reinforcing structure 13 and the second anti-pressure reinforcing structure 14, so as to avoid the occurrence of the falling phenomenon, when the pressure tank 3 faces the space power test, the pressure sensor 5 can always monitor the pressure value in the pressure tank 3, when the pressure value range monitored by the pressure sensor 5 is not in the normal value, the pressure sensor 5 can transmit the signal to the controller 9, so that the controller 9 can actively control the working state of the vacuum pump 71, thereby avoiding the occurrence of accidents, and the structure is scientific and reasonable, the use is safe and convenient.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.