Sealing test clamp for pneumatic regulator of air turbine starter

Abstract

The utility model relates to the technical field of air turbine starter pneumatic regulator sealing test fixtures, in particular to an air turbine starter pneumatic regulator sealing test fixture, which comprises a pneumatic regulator, and a fixing fixture is arranged at the bottom of the pneumatic regulator. A fixing clamp is arranged on the air turbine starter pneumatic regulator sealing test clamp, a pneumatic regulator is placed on a base, a driving motor is operated to drive a connecting rod to rotate, and a second gear is driven to rotate under the cooperation of a first gear; a first threaded rod and a second threaded rod are driven to rotate through a second gear, so that a first rotating rod and a second rotating rod are driven to rotate through cooperation of a first adjusting block and a second adjusting block, and a clamping plate is driven to move through a fixing rod, so that the pneumatic adjuster can be fixed; therefore, the device is more stable during placement and more accurate during testing, and the whole device is simple in structure, convenient to operate and higher in practicability.

Description

Technical Field

[0001] The utility model relates to the technical field of a sealing test fixture for a pneumatic regulator of an air turbine starter, in particular to a sealing test fixture for a pneumatic regulator of an air turbine starter. Background Art

[0002] The air turbine starter (ATS) is a key component of the aircraft engine starting system. Its function is to use the compressed air from the ground air source vehicle, auxiliary power unit (APU) or engine cross-bleed to drive the ATS turbine to rotate at high speed to do work. The turbine is in a high-speed, low-torque working state, which is converted into a low-speed, high-torque working state at the output shaft through the ATS reduction mechanism, and drives the engine's high-pressure rotor to accelerate the high-pressure rotor to the specified speed within a specified time, thereby completing the task of starting the main engine.

[0003] The pneumatic regulator of the air turbine starter is used to adjust the inlet air pressure to balance the internal and external air pressures of the air turbine starter. However, the existing pneumatic regulator is relatively unstable when placed, which affects the results of the sealing experiment when used.

[0004] Therefore, a sealing test fixture for a pneumatic regulator of an air turbine starter is needed to improve the above-mentioned problems. Utility Model Content

[0005] The utility model aims to provide a sealing test fixture for a pneumatic regulator of an air turbine starter to solve the problems raised in the above-mentioned background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A pneumatic regulator sealing test fixture for an air turbine starter comprises a pneumatic regulator, a fixing fixture is arranged at the bottom of the pneumatic regulator, an air inlet is arranged at the left end of the pneumatic regulator, and an air outlet is arranged at the right end of the pneumatic regulator;

[0008] The fixing fixture includes a base, support feet are arranged at the corners of the bottom of the base, a connecting rod is rotatably arranged on the left side of the base, a first gear is symmetrically arranged on the front and rear sides of the outer wall of the connecting rod, a first support plate is symmetrically arranged on the front side of the base, a first threaded rod is rotatably arranged between the two first support plates, a second support plate is symmetrically arranged on the rear side of the base, a second threaded rod is rotatably arranged between the two second support plates, a first adjusting block is threadedly arranged on the left side of the outer wall of the first threaded rod and the second threaded rod, and a first threaded rod is threadedly arranged on the right side of the outer wall of the first threaded rod and the second threaded rod. A second adjusting block is provided, a first adjusting slot is symmetrically provided on the left side of the base base surface, and a second adjusting slot is symmetrically provided on the right side of the base base surface, a first rotating rod is rotatably provided on the upper end of the first adjusting block through the first adjusting slot, and a second rotating rod is rotatably provided on the upper end of the second adjusting block through the second adjusting slot, a fixing rod is rotatably provided between the first rotating rod and the second rotating rod, a splint is provided on the inner side of the fixing rod, a protective cover is provided on the left side of the front side of the base, a driving motor is provided inside the protective cover, and second gears are provided on the left ends of the first threaded rod and the second threaded rod.

[0009] As a preferred solution of the utility model, the pneumatic regulator is arranged on the base surface of the base.

[0010] As a preferred solution of the present utility model, the first threaded rod and the second threaded rod are both bidirectional threaded rods.

[0011] As a preferred solution of the utility model, the second gear is meshedly connected with the first gear, and the driving end of the driving motor is connected to the front end of the connecting rod through a connecting shaft.

[0012] As a preferred solution of the utility model, a protective pad is arranged on the inner side of the clamping plate, and the protective pad is made of rubber material.

[0013] As a preferred solution of the utility model, a limiting block is arranged at the bottom of the fixing rod, and a limiting groove is provided on the base surface of the base corresponding to the limiting block.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] In the utility model, a fixing fixture is set on the air turbine starter pneumatic regulator sealing test fixture, the pneumatic regulator is placed on the base, and the operation of the driving motor can drive the connecting rod to rotate, and drive the second gear to rotate with the cooperation of the first gear, and the first threaded rod and the second threaded rod are respectively driven to rotate through the second gear, so that the first rotating rod and the second rotating rod are respectively driven to rotate with the cooperation of the first adjusting block and the second adjusting block, so that the clamping plate is driven to move through the fixing rod, so that the pneumatic regulator can be fixed, so that it is more stable when placed, and it is more accurate during testing. The overall device has a simple structure, is easy to operate and has higher practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is the overall front view of the utility model;

[0017] Figure 2 This is a structural diagram of the fixing fixture of the utility model;

[0018] Figure 3 This is the internal structure diagram of the base of the utility model.

[0019] In the figure: 1. pneumatic regulator; 2. fixing fixture; 3. air inlet; 4. air outlet; 201. base; 202. supporting foot; 203. connecting rod; 204. first gear; 205. first supporting plate; 206. first threaded rod; 207. second supporting plate; 208. second threaded rod; 209. first adjusting block; 210. second adjusting block; 211. first adjusting slot; 212. second adjusting slot; 213. first rotating rod; 214. second rotating rod; 215. fixing rod; 216. clamping plate; 217. protective cover; 218. driving motor; 219. second gear. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0021] To facilitate the understanding of the present invention, the present invention will be described more comprehensively below with reference to the relevant drawings, and several embodiments of the present invention are given. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive.

[0022] It should be noted that when an element is referred to as being "fixed on" another element, it may be directly on the other element or there may also be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used in this article are for illustrative purposes only.

[0023] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by technicians in the technical field of the present invention. The terms used in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used in this article includes any and all combinations of one or more related listed items.

[0024] For examples, see Figure 1-3 , the utility model provides a technical solution:

[0025] A pneumatic regulator sealing test fixture for an air turbine starter comprises a pneumatic regulator 1, a fixing fixture 2 is arranged at the bottom of the pneumatic regulator 1, an air inlet 3 is arranged at the left end of the pneumatic regulator 1, and an air outlet 4 is arranged at the right end of the pneumatic regulator 1;

[0026] In this embodiment, please refer to Figure 2 and 3The fixing fixture 2 includes a base 201, and support feet 202 are arranged at the corners of the bottom of the base 201. A connecting rod 203 is rotatably arranged on the left side of the base 201. The front and rear sides of the outer wall of the connecting rod 203 are symmetrically arranged with first gears 204. The front side of the base 201 is symmetrically arranged with first support plates 205. A first threaded rod 206 is rotatably arranged between the two first support plates 205. A second support plate 207 is symmetrically arranged on the rear side of the base 201. A second threaded rod 208 is rotatably arranged between the two second support plates 207. The first threaded rod 206 and the outer wall of the second threaded rod 208 are threadedly arranged with a first adjusting block 209 on the left side, and the first threaded rod 206 and the outer wall of the second threaded rod 208 are threadedly arranged with a first adjusting block 209 on the right side. Two adjusting blocks 210, a first adjusting slot 211 is symmetrically provided on the left side of the base surface of the base 201, and a second adjusting slot 212 is symmetrically provided on the right side of the base surface of the base 201. The upper end of the first adjusting block 209 passes through the first adjusting slot 211 and is rotatably provided with a first rotating rod 213, and the upper end of the second adjusting block 210 passes through the second adjusting slot 212 and is rotatably provided with a second rotating rod 214. A fixing rod 215 is rotatably provided between the first rotating rod 213 and the second rotating rod 214, and a splint 216 is provided on the inner side of the fixing rod 215. A protective cover 217 is provided on the left side of the front of the base 201, and a driving motor 218 is provided inside the protective cover 217. The left ends of the first threaded rod 206 and the second threaded rod 208 are both provided with a second gear 219.

[0027] Among them, the pneumatic regulator 1 is set on the base surface of the base 201, the first threaded rod 206 and the second threaded rod 208 are both bidirectional threaded rods, the second gear 219 is meshed and connected with the first gear 204, the driving end of the drive motor 218 is connected to the front end of the connecting rod 203 through a connecting shaft, and a protective pad is provided on the inner side of the splint 216, and the protective pad is made of rubber material, a limiting block is provided at the bottom of the fixed rod 215, and a limiting groove is provided on the base surface of the base 201 corresponding to the limiting block, and the fixed rod 215 can be limited by the limiting groove and the limiting block, so that the fixed rod 215 can move linearly.

[0028] The working process of the utility model is as follows: when using the air turbine starter pneumatic regulator sealing test fixture, the pneumatic regulator 1 is first placed on the base 201, and the driving motor 218 is operated to drive the connecting rod 203 to rotate. When the connecting rod 203 rotates, it drives the first gear 204 to rotate. Since the connection mode between the first gear 204 and the second gear 219 is a meshing connection, when the first gear 204 rotates, it drives the second gear 219 to rotate. The first threaded rod 207 and the second threaded rod 208 are driven to rotate respectively through the second gear 219. Since the first threaded rod 206 and the second threaded rod 208 are driven to rotate, the first threaded rod 206 and the second threaded rod 208 are driven to rotate respectively. The threaded rods 208 are both bidirectional threaded rods, so that when the first threaded rod 206 and the second threaded rod 208 rotate, they respectively drive the first adjustment block 209 and the second adjustment block 210 to move, and with the cooperation of the first adjustment block 209 and the second adjustment block 210, they respectively drive the first rotating rod 213 and the second rotating rod 214 to rotate. When the first rotating rod 213 and the second rotating rod 214 rotate, they drive the fixed rod 215 to move inward, thereby driving the clamping plate 216 to move through the fixed rod 215, so that it can fix the pneumatic regulator 1, so that it is more stable when placed, making it more accurate during testing.

[0029] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A seal test fixture for a pneumatic regulator of an air turbine starter, comprising a pneumatic regulator (1), characterized in that: A fixing fixture (2) is provided at the bottom of the pneumatic regulator (1), an air inlet (3) is provided at the left end of the pneumatic regulator (1), and an air outlet (4) is provided at the right end of the pneumatic regulator (1); The fixing fixture (2) comprises a base (201), support feet (202) are arranged at the corners of the bottom of the base (201), a connecting rod (203) is rotatably arranged on the left side of the interior of the base (201), and first gears (204) are symmetrically arranged on the front and rear sides of the outer wall of the connecting rod (203), a first support plate (205) is symmetrically arranged on the front side of the interior of the base (201), and a first threaded rod (206) is rotatably arranged between the two first support plates (205), a second support plate (207) is symmetrically arranged on the rear side of the interior of the base (201), and a second threaded rod (208) is rotatably arranged between the two second support plates (207), a first adjustment block (209) is threadedly arranged on the left side of the outer wall of the first threaded rod (206) and the second threaded rod (208), and a second adjustment block (209) is threadedly arranged on the right side of the outer wall of the first threaded rod (206) and the second threaded rod (208). A segment block (210) is provided with a first adjustment slot (211) symmetrically on the left side of the base surface of the base (201), and a second adjustment slot (212) is symmetrically provided on the right side of the base surface of the base (201). The upper end of the first adjustment block (209) passes through the first adjustment slot (211) and is rotatably provided with a first rotating rod (213). The upper end of the second adjustment block (210) passes through the second adjustment slot (212) and is rotatably provided with a second rotating rod (214). A fixing rod (215) is rotatably provided between the first rotating rod (213) and the second rotating rod (214). A clamping plate (216) is provided on the inner side surface of the fixing rod (215). A protective cover (217) is provided on the left side of the front surface of the base (201), and a driving motor (218) is provided inside the protective cover (217). The left ends of the first threaded rod (206) and the second threaded rod (208) are both provided with a second gear (219).

2. The air turbine starter pneumatic regulator sealing test fixture according to claim 1, characterized in that: The pneumatic regulator (1) is arranged on the base surface of the base (201).

3. The air turbine starter pneumatic regulator sealing test fixture according to claim 1, characterized in that: The first threaded rod (206) and the second threaded rod (208) are both bidirectional threaded rods.

4. The air turbine starter pneumatic regulator sealing test fixture according to claim 1, characterized in that: The second gear (219) is meshingly connected to the first gear (204), and the driving end of the driving motor (218) is connected to the front end of the connecting rod (203) via a connecting shaft.

5. The air turbine starter pneumatic regulator sealing test fixture according to claim 1, characterized in that: A protective pad is provided on the inner side of the clamping plate (216), and the protective pad is made of rubber material.

6. The air turbine starter pneumatic regulator sealing test fixture according to claim 1, characterized in that: A limiting block is provided at the bottom of the fixing rod (215), and a limiting groove is provided on the base surface of the base (201) corresponding to the limiting block.

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