Turbojet engine test platform
By introducing an exhaust gas treatment structure into the turbojet engine test platform, and utilizing activated carbon adsorption mesh filtration and a heat exchange system to cool and recover heat, the problem of direct exhaust gas emission polluting the environment has been solved, and the environmentally friendly treatment of exhaust gas and the reuse of heat have been achieved.
Patent Information
- Application Number
- CN202520758902.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-21
- Publication Date
- 2026-03-03
- Estimated Expiration
- 2035-04-21
AI Technical Summary
Existing turbojet engine test platforms release harmful components into the exhaust gas during testing, directly polluting the environment and failing to utilize the heat.
The system employs a waste gas treatment structure, including an activated carbon adsorption mesh and a heat exchange system. The waste gas is filtered through the activated carbon adsorption mesh and then discharged through the exhaust pipe. Heat exchange is carried out using spiral heat pipes and disc heat pipes to cool the waste gas and recover heat.
It effectively filters harmful substances in exhaust gas, prevents environmental pollution, and recovers heat from the exhaust gas for reuse.
Smart Images

Figure CN223966262U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of turbojet engine testing technology, and in particular to a turbojet engine testing platform. Background Technology
[0002] A turbojet engine is an aero-engine that uses jet propulsion and is widely used in military and civilian aircraft. It generates thrust through processes such as air intake, compression, combustion, expansion, and exhaust. A turbojet engine test platform is an important facility for testing, researching, and developing turbojet engines. It simulates actual flight conditions to conduct various performance tests and verifications on turbojet engines to ensure their reliability and efficiency under different operating conditions.
[0003] There are still some problems in the use of existing turbojet engine test platforms. During the testing process, the exhaust gas produced by combustion contains a variety of harmful components, and direct emission will also pollute the environment. In addition, the exhaust gas contains a lot of heat and is not easy to filter. Therefore, those skilled in the art have provided a turbojet engine test platform to solve the problems mentioned in the background art. Utility Model Content
[0004] The purpose of this invention is to address the shortcomings of existing technologies by proposing a turbojet engine test platform. This platform cools the exhaust gas through an exhaust gas treatment structure before filtering and adsorbing it, preventing direct emissions and environmental pollution from excessive amounts of harmful substances. It also recovers and utilizes the heat.
[0005] To achieve the above objectives, the present invention provides the following technical solution: a turbojet engine test platform, comprising test equipment and a control box, wherein the control box is located on one side of the front end face of the test equipment, and an exhaust gas treatment structure is provided at the center of the front end face of the test equipment, and a first conveying structure and a second conveying structure are respectively provided on both sides of the exhaust gas treatment structure;
[0006] The exhaust gas treatment structure includes a base, a hydraulic telescopic rod fixedly connected to the center of the upper end face of the base, a housing fixedly connected to the output end of the hydraulic telescopic rod, an installation groove opened at the lower center of the front end face of the housing, the rear end of the installation groove passing through the front end face of the housing and extending to the rear inner wall of the housing, a frame provided inside the installation groove, an activated carbon adsorption mesh provided at the center of the frame, a limiting block rotatably connected to the front end face of the housing above the installation groove, the rear end face of the limiting block fitting against the upper center of the front end face of the frame, and an exhaust pipe fixedly connected at the lower center of the rear end face of the housing.
[0007] A clamping structure is provided on the front face of the test equipment located at the upper end of the exhaust gas treatment structure;
[0008] Through the above technical solution, the cooled exhaust gas is filtered through the activated carbon adsorption mesh and then enters the lower part of the shell, before being discharged through the exhaust pipe, preventing direct emission and excessive pollution of the environment by harmful substances.
[0009] Furthermore, a hot water tank is provided on the rear end face of the base, and a cold water tank is provided on the upper end face of the hot water tank. A water pump is fixedly connected to the lower part of the front side of the cold water tank. The output end of the water pump passes through the rear end face of the shell and leads to the interior of the base. A spiral heat-conducting pipe is fixedly connected to the end of the spiral heat-conducting pipe. A disc-shaped heat-conducting pipe is fixedly connected to the output end of the spiral heat-conducting pipe. The output end of the disc-shaped heat-conducting pipe passes through the inner wall of the shell and leads to the upper part of the front side face of the hot water tank.
[0010] Through the above technical solution, the water pump delivers cold water from the cold water tank to the spiral heat pipe, and then into the hot water tank through the disc heat pipe. The spiral heat pipe and the disc heat pipe exchange heat with the exhaust gas, which rapidly cools the exhaust gas. The cool water inside the spiral heat pipe and the disc heat pipe absorbs heat and is then transported to the hot water tank for storage.
[0011] Furthermore, a drain valve is fixedly connected to the lower center of the rear end face of the hot water tank, and a water inlet pipe is provided at the center of the upper end face of the cold water tank;
[0012] The above technical solution facilitates the replenishment of cold water into the cold water tank through the inlet pipe, and the discharge of hot water through the drain valve for use.
[0013] Furthermore, the clamping structure includes two base plates, which are arranged laterally at the upper center of the front face of the test equipment. Electric telescopic rods are provided at the upper and lower ends of one side wall of the base plate and at the upper and lower ends of the other side wall of the other base plate. The four electric telescopic rods pass through the side walls of the two base plates and extend to the other side of the two base plates, and the output ends of the four rods are fixedly connected to the clamping frame. A turbojet engine body is provided between the four clamping frames.
[0014] The above technical solution controls the extension of four electric telescopic rods, which in turn push four clamping frames to move inward to clamp the turbojet engine body, facilitating loading, clamping, and fixing.
[0015] Furthermore, buffer pads are provided on the inner sidewalls of all four clamping frames;
[0016] The above technical solution buffers the vibration generated in the turbojet engine test chamber.
[0017] This utility model has the following beneficial effects:
[0018] 1. In this utility model, the exhaust gas from the turbojet engine test platform after cooling is filtered through an activated carbon adsorption mesh and then enters the lower part of the shell before being discharged through the exhaust pipe, preventing direct emission and pollution of the environment by a large amount of harmful substances.
[0019] 2. In this utility model, during the test, the exhaust gas generated by the turbojet engine body is ejected into the inner side of the casing, and the water pump is started. The water pump delivers the cold water inside the cold water tank to the spiral heat conduction pipe, and then enters the hot water tank through the disc heat conduction pipe. The spiral heat conduction pipe and the disc heat conduction pipe exchange heat in the exhaust gas, and the exhaust gas is cooled down quickly. The cool water inside the spiral heat conduction pipe and the disc heat conduction pipe absorbs heat and is transported to the hot water tank for storage, which facilitates the recovery and utilization of heat.
[0020] 3. In this utility model, the turbojet engine body is placed on the first conveying structure. The first conveying structure is activated to transport the turbojet engine body to one side of the exhaust gas treatment structure. The turbojet engine body is placed on the housing. The hydraulic telescopic rod is extended and lifted to raise the housing, thereby lifting the turbojet engine body upward. Then, the four electric telescopic rods are extended and pushed to move the four clamping frames inward to clamp the turbojet engine body, which facilitates loading, clamping and fixing. Attached Figure Description
[0021] Figure 1 This is a perspective view of a turbojet engine test platform proposed in this utility model;
[0022] Figure 2 This is a front view of a turbojet engine test platform proposed in this utility model;
[0023] Figure 3 This is a front sectional view of a clamping structure for a turbojet engine test platform proposed in this utility model;
[0024] Figure 4 This is a side sectional view of the exhaust gas treatment structure of a turbojet engine test platform proposed in this utility model.
[0025] Legend:
[0026] 1. Test equipment; 2. Exhaust gas treatment structure; 201. Base; 202. Shell; 203. Hydraulic telescopic rod; 204. Mounting groove; 205. Frame; 206. Activated carbon adsorption net; 207. Limiting block; 208. Hot water tank; 209. Water pump; 210. Cold water tank; 211. Water inlet pipe; 212. Spiral heat conduction pipe; 213. Disc heat conduction pipe; 214. Drain valve; 215. Exhaust pipe; 3. Clamping structure; 301. Base plate; 302. Electric telescopic rod; 303. Clamping frame; 4. First transmission structure; 5. Second transmission structure; 6. Control box; 7. Turbojet engine body. Detailed Implementation
[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0028] Reference Figure 1-4 The present invention provides an embodiment of a turbojet engine test platform, comprising a test device 1 and a control box 6. The control box 6 is located on one side of the front end face of the test device 1. An exhaust gas treatment structure 2 is provided at the center of the front end face of the test device 1. A first conveying structure 4 and a second conveying structure 5 are respectively provided on both sides of the exhaust gas treatment structure 2. The turbojet engine body 7 is moved by conveying through the first conveying structure 4 and the second conveying structure 5.
[0029] The exhaust gas treatment structure 2 includes a base 201. A hydraulic telescopic rod 203 is fixedly connected to the center of the upper surface of the base 201. A housing 202 is fixedly connected to the output end of the hydraulic telescopic rod 203. An installation groove 204 is provided at the lower center of the front surface of the housing 202. The rear end of the installation groove 204 passes through the front surface of the housing 202 and extends to the rear inner wall of the housing 202. A frame 205 is provided inside the installation groove 204. An activated carbon adsorption mesh 206 is provided at the center of the frame 205. A limiting block 207 is rotatably connected to the front surface of the housing 202 above the installation groove 204. The rear end of the limiting block 207 is attached to the upper center of the front surface of the frame 205. An exhaust pipe 215 is fixedly connected at the lower center of the rear end surface of the housing 202. After being cooled, the exhaust gas is filtered by the activated carbon adsorption mesh 206 and then enters the lower part of the interior of the housing 202, and is discharged through the exhaust pipe 215 to prevent direct emission and pollution of the environment by a large amount of harmful substances.
[0030] A clamping structure 3 is provided on the front surface of the test equipment 1 located at the upper end of the exhaust gas treatment structure 2. The turbojet engine body 7 is clamped by the clamping structure 3 for testing.
[0031] A hot water tank 208 is located at the rear end of the base 201, and a cold water tank 210 is located at the upper end of the hot water tank 208. A water pump 209 is fixedly connected to the lower part of the front side of the cold water tank 210. The output end of the water pump 209 passes through the rear end of the housing 202 and extends into the interior of the base 201. A spiral heat-conducting pipe 212 is fixedly connected to the end of the spiral heat-conducting pipe 212. A disc-shaped heat-conducting pipe 213 is fixedly connected to the output end of the spiral heat-conducting pipe 212. The output end of the disc-shaped heat-conducting pipe 213 passes through the inner wall of the rear of the housing 202 and connects to the hot water tank 208. The front end faces to the upper part of the front end face of the hot water tank 208. The water pump 209 delivers cold water from the cold water tank 210 to the spiral heat conduction pipe 212, and then enters the hot water tank 208 through the disc heat conduction pipe 213. The spiral heat conduction pipe 212 and the disc heat conduction pipe 213 exchange heat with the exhaust gas to quickly cool it down. The cool water inside the spiral heat conduction pipe 212 and the disc heat conduction pipe 213 absorbs heat and is delivered to the hot water tank 208 for storage.
[0032] A drain valve 214 is fixedly connected to the lower center of the rear end face of the hot water tank 208. A water inlet pipe 211 is provided at the center of the upper end face of the cold water tank 210, so that cold water can be added into the cold water tank 210 through the water inlet pipe 211, and then hot water can be discharged through the drain valve 214 for use.
[0033] The clamping structure 3 includes two base plates 301, which are arranged laterally at the upper center of the front face of the test equipment 1. Electric telescopic rods 302 are provided at the upper and lower ends of one side wall of one base plate 301 and at the upper and lower ends of the other side wall of the other base plate 301. The four electric telescopic rods 302 pass through the side walls of the two base plates 301 and extend to the other side of the two base plates 301, and the output ends of the four rods 302 are fixedly connected to clamping frames 303. The turbojet engine body 7 is provided between the four clamping frames 303. By controlling the extension of the four electric telescopic rods 302, the four electric telescopic rods 302 push the four clamping frames 303 to move inward to clamp the turbojet engine body 7, which facilitates loading, clamping and fixing.
[0034] The inner walls of the four clamping frames 303 are equipped with buffer pads to buffer the vibrations generated by the turbojet engine body 7 test chamber.
[0035] Working principle: In use, the turbojet engine body 7 is placed on the first conveying structure 4, and the first conveying structure 4 is activated to transfer the turbojet engine body 7 to one side of the exhaust gas treatment structure 2. The turbojet engine body 7 is placed on the housing 202, and the hydraulic telescopic rod 203 is extended. The hydraulic telescopic rod 203 lifts the housing 202, thereby lifting the turbojet engine body 7 upward. Then, the four electric telescopic rods 302 are extended, and the four electric telescopic rods 302 push the four clamping frames 303 to move inward to clamp the turbojet engine body 7, which facilitates loading, clamping and fixing. Then, the test is carried out through the test equipment 1.
[0036] During the test, the exhaust gas generated by the turbojet engine body 7 is ejected into the inner side of the casing 202, and the water pump 209 is started. The water pump 209 delivers the cold water inside the cold water tank 210 to the spiral heat conduction pipe 212, and then enters the hot water tank 208 through the disc heat conduction pipe 213. The spiral heat conduction pipe 212 and the disc heat conduction pipe 213 exchange heat with the exhaust gas, and quickly cool the exhaust gas. The cool water inside the spiral heat conduction pipe 212 and the disc heat conduction pipe 213 absorbs heat and is delivered to the hot water tank 208 for storage, which facilitates the recovery and utilization of heat.
[0037] After being cooled, the exhaust gas is filtered by the activated carbon adsorption mesh 206 and enters the lower part of the housing 202. It is then discharged through the exhaust pipe 215. The four electric telescopic rods 302 are then controlled to retract to release the turbojet engine body 7. The hydraulic telescopic rods 203 are then controlled to retract to move the turbojet engine body 7 and the housing 202 downwards. The tested turbojet engine body 7 is then transported to one side through the second transmission structure 5.
[0038] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.
Claims
1. A turbojet engine test platform, comprising a test device (1) and a control box (6), wherein the control box (6) is disposed on one side of the front end face of the test device (1) near the top, characterized in that: The test equipment (1) has a waste gas treatment structure (2) at the center of its front end face, and a first conveying structure (4) and a second conveying structure (5) are respectively provided on both sides of the waste gas treatment structure (2); The exhaust gas treatment structure (2) includes a base (201), a hydraulic telescopic rod (203) is fixedly connected to the center of the upper end face of the base (201), a housing (202) is fixedly connected to the output end of the hydraulic telescopic rod (203), an installation groove (204) is provided at the lower center of the front end face of the housing (202), the rear end of the installation groove (204) passes through the front end face of the housing (202) and extends to the rear inner wall of the housing (202), a frame (205) is provided inside the installation groove (204), an activated carbon adsorption mesh (206) is provided at the center of the frame (205), a limiting block (207) is rotatably connected to the front end face of the housing (202) above the installation groove (204), the rear end face of the limiting block (207) is attached to the upper center of the front end face of the frame (205), and an exhaust pipe (215) is fixedly connected to the lower center of the rear end face of the housing (202). A clamping structure (3) is provided on the front end face of the test equipment (1) located at the upper end of the exhaust gas treatment structure (2).
2. The turbojet engine test platform according to claim 1, characterized in that: A hot water tank (208) is provided on the rear end face of the base (201), and a cold water tank (210) is provided on the upper end face of the hot water tank (208). A water pump (209) is fixedly connected to the lower part of the front side of the cold water tank (210). The output end of the water pump (209) passes through the rear end face of the shell (202) and extends into the interior of the base (201). A spiral heat-conducting pipe (212) is fixedly connected to the end of the pump. A disc-shaped heat-conducting pipe (213) is fixedly connected to the output end of the spiral heat-conducting pipe (212). The output end of the disc-shaped heat-conducting pipe (213) passes through the inner wall of the shell (202) and extends to the upper part of the front side of the hot water tank (208).
3. The turbojet engine test platform according to claim 2, characterized in that: A drain valve (214) is fixedly connected to the lower center of the rear end face of the hot water tank (208), and a water inlet pipe (211) is provided at the center of the upper end face of the cold water tank (210).
4. The turbojet engine test platform according to claim 1, characterized in that: The clamping structure (3) includes two base plates (301). The two base plates (301) are arranged horizontally at the upper center of the front face of the test equipment (1). Electric telescopic rods (302) are provided at the upper and lower ends of one side wall of the base plate (301) and the upper and lower ends of the other side wall of the other base plate (301). The four electric telescopic rods (302) pass through the side walls of the two base plates (301) and extend to the other side of the two base plates (301). The output ends of the four rods (302) are fixedly connected to clamping frames (303). The turbojet engine body (7) is provided between the four clamping frames (303).
5. A turbojet engine test platform according to claim 4, characterized in that: Each of the four clamping frames (303) has a buffer pad on its inner sidewall.