CN220872261U - Novel hydraulic pressure test fixture for large-opening solid engine shell - Google Patents
Novel hydraulic pressure test fixture for large-opening solid engine shell Download PDFInfo
- Publication number
- CN220872261U CN220872261U CN202322662305.6U CN202322662305U CN220872261U CN 220872261 U CN220872261 U CN 220872261U CN 202322662305 U CN202322662305 U CN 202322662305U CN 220872261 U CN220872261 U CN 220872261U
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- hole
- inner core
- water shutoff
- engine
- novel hydraulic
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- 239000007787 solid Substances 0.000 title claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 76
- 230000002093 peripheral effect Effects 0.000 claims abstract description 19
- 238000007789 sealing Methods 0.000 claims description 35
- 230000002706 hydrostatic effect Effects 0.000 claims 1
- 230000000903 blocking effect Effects 0.000 description 6
- 229910001069 Ti alloy Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The utility model relates to a novel hydraulic pressure test fixture for a large-opening solid engine shell, which comprises the following components: a first test assembly and a second test assembly; the first test assembly includes: a water shutoff inner core and Kong Shuigai; the water shutoff inner core forms a seal with the inner peripheral wall of the open end of the top of the engine shell; the hole water cover is sleeved on the opening end and fixedly connected with the water shutoff inner core and the engine shell; the top of the water shutoff inner core is provided with a first through hole, and the top of the water shutoff cover is provided with a second through hole; the first through hole is communicated with the second through hole; the second test assembly forms a seal with the closed end at the bottom of the engine housing; the inner diameter of the opening end is larger than that of the closing end. Through setting up first test assembly and second test assembly, the open end of first test assembly and engine case forms sealedly, and the close end of second test assembly and engine case's bottom forms sealedly, has realized the water pressure test of big opening engine case.
Description
Technical Field
The utility model belongs to the technical field of solid engine production, and particularly relates to a novel hydraulic pressure testing tool for a large-opening solid engine shell.
Background
The solid engine is widely applied to the aerospace field, and most of existing solid engine shells are of two-end closing-in structures, so that pressure maintaining is facilitated. However, the current novel shell is one-end closed, and one-end large-opening is designed, so that the high requirement on the pressure bearing capacity of the large-opening end is met.
The existing hydraulic pressure test tool is designed according to the engine shells with two closed ends, one closed end and one large open end cannot be subjected to hydraulic pressure test.
Disclosure of utility model
In order to solve the problems in the prior art, the utility model provides a novel hydraulic pressure testing tool for a large-opening solid engine shell. The technical problems to be solved by the utility model are realized by the following technical scheme:
The utility model provides a novel hydraulic pressure test fixture for a large-opening solid engine shell, which comprises the following components: a first test assembly and a second test assembly;
the first test assembly includes: a water shutoff inner core and Kong Shuigai;
The water shutoff inner core forms a seal with the inner peripheral wall of the open end of the top of the engine shell;
The hole water cover is sleeved on the opening end and fixedly connected with the water shutoff inner core and the engine shell;
The top of the water shutoff inner core is provided with a first through hole, and the top of Kong Shuigai is provided with a second through hole;
The first through hole is communicated with the second through hole;
The second testing component forms a seal with the closing end at the bottom of the engine shell;
the inner diameter of the opening end is larger than that of the closing end.
In a specific embodiment, a sealing groove is arranged on the peripheral wall of the water shutoff inner core, a sealing ring is arranged on the sealing groove, and the sealing ring forms a seal with a sealing structure on the inner peripheral wall of the engine shell.
In a specific embodiment, the first test assembly further comprises a first bolt;
the first bolt is fixedly connected with Kong Shuigai, the engine shell and the water shutoff inner core.
In a specific embodiment, the first bolt includes a bolt head, a threaded shaft, and a fixing portion;
The diameter of the screw rod is larger than that of the fixing part, and the screw rod is arranged between the fixing part and the bolt head and is integrally connected with the fixing part and the bolt head;
screw holes are formed in the peripheral wall of Kong Shuigai;
A fixing groove extending along the circumferential direction of the circumferential wall is formed in the circumferential wall of the water shutoff inner core;
The screw rod is in threaded connection with the threaded hole;
the fixing portion passes through a mounting hole on the engine case and is inserted into the fixing groove.
In a specific embodiment, the first test assembly further comprises a dowel pin;
the top of the water shutoff inner core is provided with a first positioning hole;
A second positioning through hole is formed in the top of Kong Shuigai;
The positioning pin is inserted into the first positioning hole through the second positioning through hole.
In a specific embodiment, the first test assembly further comprises a second bolt;
the top of the water shutoff inner core is provided with a first connecting hole;
the top of Kong Shuigai is provided with a second connecting through hole;
the second bolt is in threaded connection with the second connecting through hole and the first connecting hole.
In a specific embodiment, the first test assembly further comprises a first sealing plug;
the first sealing plug may form a seal with the first through hole.
In a specific embodiment, the second test assembly includes a plug;
The plug is in threaded connection with the inner peripheral wall of the closing end to form a seal.
In a specific embodiment, a third through hole communicated with the closing end is formed in the plug.
In a specific embodiment, the second test assembly further comprises a second sealing plug;
the second sealing plug may form a seal with the third through bore.
Compared with the prior art, the utility model has the beneficial effects that:
By arranging the first test assembly and the second test assembly, the first test assembly forms a seal with the open end of the engine housing, and the second test assembly forms a seal with the closed end of the bottom of the engine housing. The top of water shutoff inner core is provided with first through-hole, and the top of hole water lid is provided with the second through-hole, through first through-hole and second through-hole Kong Jinshui, has realized the water pressure test of big opening engine casing.
Drawings
FIG. 1 is a schematic structural diagram of a novel hydraulic pressure testing tool for a large-opening solid engine housing provided by an embodiment of the utility model;
FIG. 2 is a schematic structural view of a water cap with holes according to an embodiment of the present utility model;
FIG. 3 is a cross-sectional view of a water shut-off core provided in an embodiment of the present utility model;
Fig. 4 is a top view of a water blocking core provided by an embodiment of the present utility model.
Reference numerals:
1: a water blocking inner core; 2: kong Shuigai; 3: a first bolt; 4: a positioning pin; 5: a second bolt; 6: a plug; 7: a second sealing plug; 101: a first through hole; 102: sealing grooves; 103: a fixing groove; 104: a first positioning hole; 105: a first connection hole; 201: a second through hole; 202: a threaded hole; 203: a second positioning through hole; 204: and a second connection via.
Detailed Description
The present utility model will be described in further detail with reference to specific examples, but embodiments of the present utility model are not limited thereto.
Example 1
Referring to fig. 1, a novel hydraulic testing tool for a large-opening solid engine housing includes: a first test assembly and a second test assembly. The first test assembly includes: a water shutoff inner core 1 and a hole water cover 2. The water shutoff inner core 1 forms sealedly with the inner peripheral wall of the open end at the top of engine casing, and hole water cover 2 cover is established on the open end, and hole water cover 2 fixed connection water shutoff inner core 1 and engine casing, the top of water shutoff inner core 1 are provided with first through-hole 101, and the top of hole water cover 2 is provided with second through-hole 201, and first through-hole 101 and second through-hole 201 communicate. The second test assembly forms a seal with the closed end of the bottom of the engine housing. The inner diameter of the opening end is larger than that of the closing end.
Specifically, when the engine is used, the second test assembly is firstly installed on the closing end of the engine shell and forms a seal with the closing end, and then the first test assembly is installed on the opening end of the engine shell and forms a seal with the opening end. The water pressure test is performed from the open end of the engine housing by the water inlet of the first through hole 101 and the second through hole 201 of the first test assembly, and the water pressure test of the large-opening engine housing is realized.
Further, referring to fig. 3, a sealing groove 102 is provided on the peripheral wall of the water shutoff inner core 1, and a sealing ring is provided on the sealing groove 102, and the sealing ring forms a seal with a sealing structure on the inner peripheral wall of the engine housing.
Specifically, the sealing structure is a titanium alloy ring adhered to the inner wall of the opening end of the engine casing, and the titanium alloy ring is clamped into the sealing groove 102 and forms a seal with a sealing ring in the sealing groove 102.
Further, the first test assembly further comprises a first bolt 3, and the first bolt 3 is fixedly connected with the hole water cover 2, the engine shell and the water shutoff inner core 1. The first bolt 3 comprises a bolt head, a screw rod and a fixing portion, the diameter of the screw rod is larger than that of the fixing portion, the screw rod is arranged between the fixing portion and the bolt head, and the screw rod is integrally connected with the fixing portion and the bolt head. Screw holes 202 are formed in the peripheral wall of the water hole cover 2, and fixing grooves 103 extending along the peripheral wall circumference are formed in the peripheral wall of the water shutoff inner core 1. The screw of the first bolt 3 is screwed with the screw hole 202, and the fixing portion of the first bolt 3 is inserted into the fixing groove 103 through the mounting hole on the engine case.
Specifically, as shown in fig. 1, 2 and 3, two rows of mounting holes with diameters smaller than that of the threaded holes 202 are formed in the opening end of the engine shell, the fixing grooves 103, the threaded holes 202 and the mounting holes are correspondingly formed, the first bolts 3 enter from the threaded holes 202 in the water hole cover 2 and penetrate through the mounting holes in the shell, and after the fixing parts at the front ends of the first bolts 3 are screwed, the fixing parts are clamped into the fixing grooves 103 in the water shutoff inner core 1, and the water shutoff inner core 1, the water hole cover 2 and the engine shell are fixed.
Further, referring to fig. 1, 2, 3 and 4, the first testing assembly further includes a positioning pin 4, a first positioning hole 104 is provided at the top of the water blocking inner core 1, a second positioning through hole 203 is provided at the top of the water blocking cover 2, and the positioning pin 4 is inserted into the first positioning hole 104 through the second positioning through hole 203. The first test assembly further comprises a second bolt 5, a first connecting hole 105 is formed in the top of the water shutoff inner core 1, a second connecting through hole 204 is formed in the top of the hole water cover 2, and the second bolt 5 is in threaded connection with the second connecting through hole 204 and the first connecting hole 105.
Specifically, the first positioning hole 104 corresponds to the second positioning through hole 203, the aperture is identical, the first connecting hole 105 corresponds to the second connecting through hole 204, and the aperture is identical, when the water shutoff inner core is installed, the positioning pin 4 firstly enters from the second positioning through hole 203 on the water shutoff inner core 2, is inserted into the first positioning hole 104 on the water shutoff inner core 1, after positioning, the second bolt 5 enters from the second connecting through hole 204 on the water shutoff inner core 2, and after the first connecting hole 105 extending into the water shutoff inner core 1 is screwed, the positioning pin 4 is removed. Preferably, as shown in fig. 4, the first through holes 101 are provided at the center of the water blocking inner core 1, and the plurality of first positioning holes 104 and the plurality of first connection holes 105 are uniformly and alternately distributed on the circumference centering on the first through holes 101. Accordingly, the second through holes 201 are provided at the center of the hole water cover 2, and the plurality of second positioning through holes 203 and the plurality of second connecting through holes 204 are uniformly and alternately distributed on the circumference centering on the second through holes 201.
Further, the first test assembly further comprises a first sealing plug, which may form a seal with the first through hole 101. The second testing component comprises a plug 6, and the plug 6 is in threaded connection with the inner peripheral wall of the closing end to form a seal. The plug 6 is provided with a third through hole communicated with the closing end. The second test assembly further comprises a second sealing plug 7, the second sealing plug 7 being sealable with a third through hole.
Specifically, the inner peripheral wall of the closing end of the engine shell is provided with threads, the plug 6 is in threaded connection with the closing end to form a seal, and a third through hole in the plug 6 can be used for water inflow. When it is necessary to perform a water pressure test through the open end of the engine case, water is introduced from the first through hole 101 on the water blocking inner core 1 and the second through hole 201 on the water cap 2 by plugging the second sealing plug 7 into the third through hole. When the water pressure test is required to be carried out through the closing end of the engine shell, the first sealing plug is used for plugging the first through hole 101, and water is fed from the third through hole on the plug 6.
The embodiment provides a novel hydraulic pressure test fixture for big opening solid engine casing is through setting up first test assembly and second test assembly, and the open end of first test assembly and engine casing forms sealedly, and the close end of the bottom of second test assembly and engine casing forms sealedly. The top of the water shutoff inner core 1 is provided with a first through hole 101, the top of the hole water cover 2 is provided with a second through hole 201, water is fed through the first through hole 101 and the second through hole 201, and water pressure test is carried out from the open end of the engine shell. When the hydraulic pressure test is required to be performed through the closing end of the engine housing, the first sealing plug can be used to plug into the first through hole 101, and water can enter from the third through hole on the plug 6. The hydraulic pressure test fixture of the embodiment can perform hydraulic pressure test through the opening end and the closing end of the engine shell, and realizes hydraulic pressure test of the large-opening engine shell. The hydraulic pressure test fixture is designed by utilizing the structural cooperation of the shell, so that the material is saved, the disassembly and assembly of the hydraulic pressure test fixture are convenient, the realization cost is low, and the use effect is good.
The foregoing is a further detailed description of the utility model in connection with the preferred embodiments, and it is not intended that the utility model be limited to the specific embodiments described. It will be apparent to those skilled in the art that several simple deductions or substitutions may be made without departing from the spirit of the utility model, and these should be considered to be within the scope of the utility model.
Claims (10)
1. A novel hydraulic pressure test fixture for big opening solid engine casing, its characterized in that includes: a first test assembly and a second test assembly;
the first test assembly includes: the water shutoff inner cores (1) and Kong Shuigai (2);
The water shutoff inner core (1) forms a seal with the inner peripheral wall of the opening end of the top of the engine shell;
Kong Shuigai (2) is sleeved on the opening end and fixedly connected with the water shutoff inner core (1) and the engine shell;
The top of the water shutoff inner core (1) is provided with a first through hole (101), and the top of the Kong Shuigai (2) is provided with a second through hole (201);
The first through hole (101) and the second through hole (201) are communicated;
The second testing component forms a seal with the closing end at the bottom of the engine shell;
the inner diameter of the opening end is larger than that of the closing end.
2. The novel hydraulic pressure test fixture for the large-opening solid engine shell according to claim 1, wherein a sealing groove (102) is formed in the peripheral wall of the water shutoff inner core (1), a sealing ring is arranged on the sealing groove (102), and the sealing ring forms a seal with a sealing structure on the inner peripheral wall of the engine shell.
3. A novel hydraulic testing fixture for large opening solid engine housings according to claim 1, characterized in that the first testing assembly further comprises a first bolt (3);
the first bolt (3) is fixedly connected with the Kong Shuigai (2), the engine shell and the water shutoff inner core (1).
4. A novel hydraulic testing fixture for large opening solid engine housings according to claim 3, characterized in that the first bolt (3) comprises a bolt head, a screw and a fixing part;
The diameter of the screw rod is larger than that of the fixing part, and the screw rod is arranged between the fixing part and the bolt head and is integrally connected with the fixing part and the bolt head;
a threaded hole (202) is formed in the peripheral wall of the Kong Shuigai (2);
A fixing groove (103) extending along the circumferential direction of the circumferential wall is formed in the circumferential wall of the water shutoff inner core (1);
the screw rod is in threaded connection with the threaded hole (202);
The fixing portion passes through a mounting hole on the engine case and is inserted into the fixing groove (103).
5. The novel hydraulic testing fixture for a large opening solid engine housing according to claim 1, wherein the first testing assembly further comprises a locating pin (4);
A first positioning hole (104) is formed in the top of the water shutoff inner core (1);
a second positioning through hole (203) is formed in the top of the Kong Shuigai (2);
the positioning pin (4) is inserted into the first positioning hole (104) through the second positioning through hole (203).
6. A novel hydraulic testing fixture for large opening solid engine housings according to claim 1, characterized in that the first testing assembly further comprises a second bolt (5);
the top of the water shutoff inner core (1) is provided with a first connecting hole (105);
The top of Kong Shuigai (2) is provided with a second connecting through hole (204);
The second bolt (5) is in threaded connection with the second connecting through hole (204) and the first connecting hole (105).
7. The novel hydraulic testing fixture for a large opening solid engine housing of claim 1, wherein the first testing assembly further comprises a first sealing plug;
The first sealing plug may form a seal with the first through hole (101).
8. The novel hydraulic testing fixture for large opening solid engine housings according to claim 1, wherein the second testing assembly comprises a plug (6);
The plug (6) is in threaded connection with the inner peripheral wall of the closing end to form a seal.
9. The novel hydraulic pressure testing tool for the large-opening solid engine shell according to claim 8, wherein a third through hole communicated with the closing end is formed in the plug (6).
10. A new hydrostatic testing fixture for large opening solid engine cases according to claim 9, characterized in that the second testing assembly further comprises a second sealing plug (7);
The second sealing plug (7) may form a seal with the third through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322662305.6U CN220872261U (en) | 2023-09-28 | 2023-09-28 | Novel hydraulic pressure test fixture for large-opening solid engine shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322662305.6U CN220872261U (en) | 2023-09-28 | 2023-09-28 | Novel hydraulic pressure test fixture for large-opening solid engine shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220872261U true CN220872261U (en) | 2024-04-30 |
Family
ID=90821006
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322662305.6U Active CN220872261U (en) | 2023-09-28 | 2023-09-28 | Novel hydraulic pressure test fixture for large-opening solid engine shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220872261U (en) |
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2023
- 2023-09-28 CN CN202322662305.6U patent/CN220872261U/en active Active
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