Clamping tool for flow test and sealing test of spray rod

Abstract

The invention discloses a clamping tool for a flow test and a sealing test of a spray rod. The clamping tool comprises a base; the switching assembly is fixedly arranged on the top surface of the base; the first sealing assembly is arranged on the base in a sliding mode in the direction close to or away from the switching assembly and fixedly connected with the base through a first screw; the second sealing assembly is fixedly arranged on the top face of the base and located on the side, away from the first sealing assembly, of the switching assembly. The clamping tool can be used for flow tests and sealing tests of various spray booms, is convenient to operate, high in detection efficiency and good in applicability, and reduces the test cost.

Description

Technical Field

[0001] The invention relates to the technical field of parts testing and detection, and in particular to a clamping tool used for a spray bar flow test and a sealing test. Background Art

[0002] The spray rod is an important part of the aircraft engine. After processing, it needs to be subjected to flow test and sealing test to detect its performance. Depending on the installation location and usage, the structural characteristics of many spray rods are often similar. To complete the performance test, it is necessary to design the corresponding flow test fixture and sealing test fixture. Figure 1 to Figure 5 The five spray bars shown all have a mounting end and a spray hole end, a flow channel is arranged inside, a connecting groove connected to the flow channel is provided at the mounting end, a mounting plate is integrally provided at the mounting end, a spray hole connected to the flow channel is provided at the spray hole end, a radial hole passing through the flow channel is provided on the spray bar, and annular grooves are provided on both sides of the radial hole. The outer diameters of the five spray bars are the same, but the lengths of the spray bars, the angles of the spray holes and the angles of the radial holes are different. To complete the performance testing of the five spray bars, multiple tooling needs to be made, which is inconvenient to operate and costly. For this purpose, a clamping tooling for spray bar flow test and sealing test is designed to complete the performance testing of the above-mentioned spray bars, which is convenient to operate and has low test cost. Summary of the invention

[0003] In view of the above-mentioned defects or deficiencies in the prior art, it is desired to provide a clamping tool for spray rod flow test and sealing test, which can be used for flow test and sealing test of various spray rods, has convenient operation, high detection efficiency, good applicability, and reduces test costs.

[0004] The present invention provides a clamping tool for a spray bar flow test and a sealing test, comprising:

[0005] Base;

[0006] An adapter assembly is fixedly arranged on the top surface of the base and is used to connect the radial hole of the spray rod with the test equipment;

[0007] A first sealing component is slidably disposed on the base in a direction approaching or moving away from the adapter component and fixedly connected to the base by a first screw, and is used to seal the spray hole end of the spray rod during a sealing test, to achieve blocking of the spray hole at any angle of the spray hole end, and to release the seal of the spray hole end during a flow test;

[0008] The second sealing component is fixedly arranged on the top surface of the base, located on the side of the adapter component away from the first sealing component, and is used for sealing the connecting end of the spray rod.

[0009] Furthermore, the adapter assembly includes an adapter seat and an adapter joint, the adapter seat is fixedly arranged on the top surface of the base, the adapter seat is provided with a through groove matching the outer contour of the spray rod in the horizontal direction, the annular grooves on both sides of the radial hole of the spray rod are respectively provided with first sealing rings, the top of the adapter seat is provided with an adapter groove, the bottom of the adapter groove is provided with a through hole connected to the through groove, the bottom of the adapter groove is provided with a second sealing ring located on the outer periphery of the through hole, and the bottom end of the adapter joint is threadedly connected to the adapter groove and pressed on the second sealing ring.

[0010] Furthermore, first fixing plates are symmetrically fixedly connected to the bottom of both sides of the adapter, and the first fixing plates are fixedly connected to the base via second screws; and first mounting planes are symmetrically arranged on both sides of the adapter.

[0011] Furthermore, the first sealing component includes a sliding seat, a sliding groove is opened on the base along the direction approaching or away from the adapter component, a sliding plate is arranged in the sliding groove, the bottom end of the sliding seat is fixedly connected to the sliding plate, the sliding plate is fixedly connected to the sliding groove by the first screw, a sealing block is fixedly arranged on the side of the sliding seat close to the adapter component, a sealing groove is opened on the side of the sealing block close to the adapter component, and a circle of third sealing ring is embedded in the sealing groove near its groove.

[0012] Furthermore, the second sealing assembly includes a sealing seat, which is fixedly arranged on the top surface of the base, and a threaded hole is opened on the sealing seat in a direction close to or away from the adapter assembly, and a sealing pin is threadedly connected to the threaded hole, and a sealing head is fixedly arranged at one end of the sealing pin close to the adapter assembly, and a fourth sealing ring is embedded on the end surface of the sealing pin close to the adapter assembly and located on the outer periphery of the sealing head.

[0013] Furthermore, second fixing plates are symmetrically fixedly connected to the bottom of both sides of the sealing seat, and the second fixing plates are fixedly connected to the base through third screws; second mounting planes are symmetrically arranged on both sides of one end of the sealing pin away from the sealing head.

[0014] Compared with the prior art, the beneficial effects of the present invention are:

[0015] The clamping fixture of the present invention is provided with an adapter assembly, a first sealing assembly, a second sealing assembly, and a spray rod; when the performance of the spray rod is tested, it is first installed on the adapter assembly, and the radial hole is connected to the test equipment; then the connecting groove of the connecting end is blocked by the second sealing assembly, and then the first sealing assembly is slid according to the length of the spray rod to seal the spray hole end, so as to achieve the blocking of the spray hole; at this time, the first sealing assembly is fixed by the first screw, and the sealing test can be carried out, which is not affected by structural features such as the length of the spray rod, the angle of the spray hole and the angle of the radial hole, and has good adaptability. After completing the sealing test, loosen the first screw, separate the first sealing assembly from the spray hole end, and expose the spray hole, and then the flow test can be carried out. The clamping fixture of the present application can be used for flow tests and sealing tests of various spray rods, and it is easy to operate, has high detection efficiency, good applicability, and reduces the test cost.

[0016] It should be understood that the contents described in the summary of the invention are not intended to limit the key or important features of the embodiments of the present invention, nor are they intended to limit the scope of the present invention. Other features of the present invention will become easily understood through the following description. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Other features, objects and advantages of the present invention will become more apparent from the detailed description of non-limiting embodiments made with reference to the following drawings:

[0018] Figure 1 It is the structural schematic diagram of spray bar Ⅰ;

[0019] Figure 2 It is the structural schematic diagram of spray boom II;

[0020] Figure 3 It is the structural schematic diagram of spray boom III;

[0021] Figure 4 It is the structural schematic diagram of spray bar IV;

[0022] Figure 5 Schematic diagram of the structure of spray bar V;

[0023] Figure 6 It is a structural schematic diagram of the clamping tooling;

[0024] Figure 7 It is a schematic diagram of the cross-sectional structure of the clamping tooling.

[0025] Numbers in the figure: 1, base; 2, adapter assembly; 3, first sealing assembly; 4, second sealing assembly; 5, spray rod;

[0026] 11. Chute;

[0027] 21. adapter seat; 22. adapter; 23. through groove; 24. first sealing ring; 25. adapter groove; 26. through hole; 27. second sealing ring; 28. first fixing plate; 29. ​​second screw; 210. first mounting plane;

[0028] 31. first screw; 32. sliding seat; 33. sliding plate; 34. sealing block; 35. sealing groove; 36. third sealing ring;

[0029] 41. Sealing seat; 42. Threaded hole; 43. Sealing pin; 44. Sealing head; 45. Fourth sealing ring; 46. Second fixing plate; 47. Third screw; 48. Second mounting plane;

[0030] 51. Connecting end; 52. Spray hole end; 53. Flow channel; 54. Connecting groove; 55. Mounting plate; 56. Spray hole; 57. Radial hole; 58. Annular groove. DETAILED DESCRIPTION

[0031] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are only used to explain the relevant invention, rather than to limit the invention. It should also be noted that, for ease of description, only the parts related to the invention are shown in the accompanying drawings.

[0032] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0033] Please refer to Figure 1 to Figure 7 , an embodiment of the present invention provides a clamping tool for a spray bar flow test and a sealing test, comprising:

[0034] Base 1;

[0035] The adapter assembly 2 is fixedly arranged on the top surface of the base 1 and is used to connect the radial hole 57 of the spray rod 5 with the test equipment;

[0036] The first sealing component 3 is slidably disposed on the base 1 in a direction close to or away from the adapter component 2, and is fixedly connected to the base 1 by a first screw 31, and is used to seal the spray hole end 52 of the spray rod 5 during a sealing test, to achieve blocking of the spray hole 56 at any angle of the spray hole end 52, and to release the seal of the spray hole end 52 during a flow test;

[0037] The second sealing assembly 4 is fixedly disposed on the top surface of the base 1 , and is located on a side of the adapter assembly 2 away from the first sealing assembly 3 , and is used to seal the connection end of the spray rod 5 .

[0038] In this embodiment, when the spray rod 5 is subjected to a sealing test, it is first mounted on the adapter assembly 2, the radial hole 57 is connected to the test equipment, and the connection end 51 is blocked by the second sealing assembly 4; then the first sealing assembly 3 is slid according to the length of the spray rod 5, so that the spray hole end is embedded in the first sealing assembly 3, and the entire spray hole end 52 is sealed, and it can be blocked regardless of the angle of the spray hole 56; then the first sealing assembly 3 is fixed by the first screw 31 to complete the clamping of the spray rod 5. At this time, it can be subjected to a sealing test, which is not affected by structural features such as the length of the spray rod 5, the angle of the spray hole 56, and the angle of the radial hole 57, and has good adaptability.

[0039] When the flow rate test is performed on the spray rod 5, the first screw 31 is loosened to separate the first sealing assembly 3 from the spray hole end 52, and the spray hole 53 is exposed. At this time, the flow rate test can be performed through the test equipment.

[0040] The clamping tool of the present application can be used for Figure 1 to Figure 5 The flow rate test and sealing test of the various spray bars 5 shown are easy to operate, have high detection efficiency, good applicability, and reduce test costs.

[0041] In a preferred embodiment, if Figure 6 and Figure 7 As shown, the adapter assembly 2 includes an adapter seat 21 and an adapter joint 22. The adapter seat 21 is fixedly arranged on the top surface of the base 1. A through groove 23 matching the outer contour of the spray rod 5 is opened in the horizontal direction on the adapter seat 21. The first sealing ring 24 is respectively sleeved on the annular grooves 58 on both sides of the radial hole 57 of the spray rod 5. An adapter groove 25 is opened on the top of the adapter seat 21. A through hole 26 connected to the through groove 23 is opened at the bottom of the adapter groove 25. A second sealing ring 27 is arranged on the bottom of the adapter groove 25 at the periphery of the through hole 26. The bottom end of the adapter joint 22 is threadedly connected to the adapter groove 25 and pressed on the second sealing ring 27.

[0042] In this embodiment, when installing the spray rod 5, firstly, the two first sealing rings 24 are respectively sleeved on the annular grooves 58 on both sides of the radial hole 57, and then the spray rod 5 is passed through the through groove 23, and the mounting plate 55 of the spray rod 5 is against one end of the through groove 23; then the spray rod 5 is rotated so that the radial hole 57 is aligned with the through hole 26. The adapter 22 is connected to the test equipment through a hose, and the test equipment injects the high-pressure medium into the flow channel 53 through the channel in the adapter 22 and the radial hole 57 of the spray rod 5, thereby completing the sealing test or flow test. The adapter has good sealing performance, which ensures the accuracy of the test results.

[0043] In a preferred embodiment, if Figure 6 and Figure 7As shown, the bottom of both sides of the adapter 21 are symmetrically fixedly connected with a first fixing plate 28, and the first fixing plate 28 is fixedly connected to the base 1 by a second screw 29, which is convenient for installation and stable fixation; the first mounting plane 210 is symmetrically arranged on both sides of the adapter 22, which is convenient for installing the adapter 22 into the adapter slot 25 and tightening it by a wrench.

[0044] In a preferred embodiment, if Figure 6 and Figure 7 As shown, the first sealing component 3 includes a sliding seat 32, a sliding groove 11 is opened on the base 1 in the direction close to or away from the adapter component 2, a sliding plate 33 is arranged in the sliding groove 11, the bottom end of the sliding seat 32 is fixedly connected to the sliding plate 33, and the sliding plate 33 is fixedly connected to the sliding groove 11 by a first screw 31, a sealing block 34 is fixedly arranged on the side of the sliding seat 32 close to the adapter component 2, a sealing groove 35 is opened on the side of the sealing block 34 close to the adapter component 2, and a circle of third sealing ring 36 is embedded in the sealing groove 35 near its notch.

[0045] In this embodiment, the slide groove 11 is in an inverted T-shape, and the sliding plate 33 is slidably disposed therein. The first screw 31 extends into the slide groove 11 and is threadedly connected to the sliding plate 33, thereby locking the sliding plate 33 after the position is adjusted.

[0046] When sealing the spray hole end 52 of the spray rod 5, the slide seat 32 is moved along the slide groove 11 to make the spray hole end 52 embedded in the sealing groove 35, and then the first screw 31 is tightened to fix the slide seat 32 to the base 1. At this time, the spray hole 56 is placed in the sealing groove 35, and the third sealing ring 36 seals the entire spray hole end 52, which is not affected by the length of the spray rod 5 and the direction of the spray hole 56, and the spray hole 56 is blocked, with good adaptability and good sealing effect.

[0047] In a preferred embodiment, if Figure 6 and Figure 7 As shown, the second sealing component 4 includes a sealing seat 41, which is fixedly arranged on the top surface of the base 1, and a threaded hole 42 is opened on the sealing seat 1 in the direction close to or away from the adapter component 2, and a sealing pin 43 is threadedly connected to the threaded hole 42, and a sealing head 44 is fixedly arranged at one end of the sealing pin 43 close to the adapter component 2, and a circle of fourth sealing ring 45 is embedded on the end surface of the sealing pin 43 close to the adapter component 2 and located on the outer periphery of the sealing head 44.

[0048] In this embodiment, when the connection end 51 of the spray rod 5 is blocked, the sealing pin 43 is rotated to insert the sealing head 44 into the connection groove 54, and the fourth sealing ring 45 is pressed against the connection end 51 to block it, and the sealing pin 43 presses and fixes the spray rod 5 on the adapter 21. The operation is convenient and the sealing effect is good. Preferably, a sealing ring at one end is embedded in the sealing head 44 to achieve two-way sealing, thereby further improving the blocking effect.

[0049] In a preferred embodiment, if Figure 6 As shown, the bottom of both sides of the sealing seat 41 are symmetrically fixedly connected with a second fixing plate 46, and the second fixing plate 46 is fixedly connected to the base 1 by a third screw 47, which is easy to install and firmly fixed; the second mounting plane 48 is symmetrically arranged on both sides of the end of the sealing pin 43 away from the sealing head 44, which is convenient for turning the sealing pin 43 with a wrench and tightening it to ensure the sealing effect.

[0050] In the description of this specification, the terms "connection", "installation", "fixation" and the like should be understood in a broad sense. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0051] In the description of this specification, the description of the terms "one embodiment", "some embodiments", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0052] The above are only preferred embodiments of the present application and are not intended to limit the present application. For those skilled in the art, the present application may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A clamping tool for spray bar flow test and sealing test, characterized in that: include: Base (1); An adapter assembly (2) is fixedly arranged on the top surface of the base (1) and is used for connecting the radial hole (57) of the spray rod (5) with the test equipment; A first sealing component (3) is slidably disposed on the base (1) in a direction approaching or moving away from the adapter component (2), and is fixedly connected to the base (1) via a first screw (31), and is used to seal the spray hole end (52) of the spray rod (5) during a sealing test, to achieve blocking of spray holes (56) at any angle of the spray hole end (52), and to release the seal of the spray hole end (52) during a flow test; The second sealing component (4) is fixedly arranged on the top surface of the base (1), located on a side of the adapter component (2) away from the first sealing component (3), and is used to seal the connection end (51) of the spray rod (5).

2. The clamping fixture for spray bar flow test and sealing test according to claim 1, characterized in that: The adapter assembly (2) comprises an adapter seat (21) and an adapter joint (22); the adapter seat (21) is fixedly arranged on the top surface of the base (1); a through groove (23) matching the outer contour of the spray rod (5) is provided on the adapter seat (21) in the horizontal direction; first sealing rings (24) are respectively sleeved on the annular grooves (58) on both sides of the radial hole (57) of the spray rod (5); an adapter groove (25) is provided on the top of the adapter seat (21); a through hole (26) connected to the through groove (23) is provided on the bottom of the adapter groove (25); a second sealing ring (27) is provided on the bottom of the adapter groove (25) and located on the outer periphery of the through hole (26); the bottom end of the adapter joint (22) is threadedly connected to the adapter groove (25) and pressed on the second sealing ring (27).

3. The clamping fixture for spray bar flow test and sealing test according to claim 2, characterized in that: The bottoms of both sides of the adapter seat (21) are symmetrically fixedly connected with first fixing plates (28), and the first fixing plates (28) are fixedly connected to the base (1) via second screws (29); and first mounting planes (210) are symmetrically arranged on both sides of the adapter (22).

4. The clamping fixture for spray bar flow test and sealing test according to claim 1, characterized in that: The first sealing component (3) comprises a sliding seat (32), a sliding groove (11) is provided on the base (1) in a direction approaching or moving away from the adapter component (2), a sliding plate (33) is arranged in the sliding groove (11), the bottom end of the sliding seat (32) is fixedly connected to the sliding plate (33), the sliding plate (33) is fixedly connected to the sliding groove (11) by the first screw (31), a sealing block (34) is fixedly provided on a side of the sliding seat (32) close to the adapter component (2), a sealing groove (35) is provided on a side of the sealing block (34) close to the adapter component (2), and a circle of third sealing ring (36) is embedded in the sealing groove (35) near its notch.

5. The clamping fixture for spray bar flow test and sealing test according to claim 1, characterized in that: The second sealing assembly (4) comprises a sealing seat (41), the sealing seat (41) being fixedly arranged on the top surface of the base (1), a threaded hole (42) being provided on the sealing seat (41) in a direction approaching or moving away from the adapter assembly (2), a sealing pin (43) being threadedly connected to the threaded hole (42), a sealing head (44) being fixedly arranged at one end of the sealing pin (43) close to the adapter assembly (2), and a circle of fourth sealing ring (45) being embedded on the end surface of the sealing pin (43) close to the adapter assembly (2) and located on the outer periphery of the sealing head (44).

6. The clamping fixture for spray bar flow test and sealing test according to claim 5, characterized in that: The bottom of both sides of the sealing seat (41) is symmetrically fixedly connected with a second fixing plate (46), and the second fixing plate (46) is fixedly connected to the base (1) through a third screw (47); the sealing pin (43) is symmetrically provided with a second mounting plane (48) on both sides of one end away from the sealing head (44).

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