High-temperature large-load test equipment of turbine blade joggle joint structure

By using a condenser and motor gear system in a high-temperature, high-load test device for turbine blade mortise joints, the problems of temperature regulation and observation difficulties in high-temperature, high-load tests were solved, achieving high-precision testing results.

CN120668452AInactive Publication Date: 2025-09-19DEZHOU UNIV
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Patent Information

Application Number
CN202510861263.X
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-06-25
Publication Date
2025-09-19
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

Existing equipment is unable to simulate the comprehensive testing requirements of high temperature and high load at the same time, and the temperature of the turbine blade joints is difficult to regulate, resulting in insufficient test accuracy.

Method used

A high-temperature, high-load test equipment for turbine blade mortise joints was designed. A condenser was installed in the water pipe groove between the lower and upper chucks for temperature regulation. A high-speed camera and microscope were driven by a motor and gear system to achieve all-round observation. The motor and threaded rod adjustment structure facilitated blade installation and disassembly.

Benefits of technology

High-precision temperature control and all-round observation of the turbine blade joints were achieved, which improved the accuracy and reliability of the test and ensured the safety and practicality of the test.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention belongs to the technical field of high-temperature load tests, and particularly discloses a high-temperature large-load test device of a turbine blade joggle joint structure, which comprises a mounting base, a lower heating cage is fixedly mounted at the upper end of the mounting base, and an upper heating cage is arranged at the upper end of the lower heating cage; a lower chuck is arranged in the lower heating cage and the upper heating cage, and an upper chuck is arranged at the upper end of the lower chuck; single crystal blades are uniformly mounted between the lower chuck and the upper chuck in an annular array manner; water pipe grooves are formed in inner interlayers of the lower chuck and the upper chuck; the water pipe grooves are formed in the interlayers of the upper chuck and the lower chuck, the condensation pipes are fixedly installed in the water pipe grooves, and the water pipe grooves are formed along the edges of the clamping grooves, so that in the operation process, the condensation pipes can transmit low temperature to the clamping blocks through the clamping grooves, and then the low temperature is transmitted to the single crystal blades through the clamping blocks.
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Description

Technical Field

[0001] The present invention relates to the technical field of high-temperature load testing, and in particular to high-temperature and high-load testing equipment for a turbine blade mortise and tenon joint structure. Background Art

[0002] The high-temperature and high-load test of the turbine blade mortise structure is to conduct creep fatigue life testing on the turbine single-crystal blades under high-temperature conditions. However, the devices currently available on the market can often only simulate a single load condition and cannot meet the comprehensive testing requirements of high temperature and high load at the same time.

[0003] In addition, during the test process, the existing equipment has difficulty in adjusting the temperature change of the turbine blade tenon joint. Moreover, during the test process, the temperature of the blade tenon joint is out of control and the accuracy is poor and difficult, which makes it difficult to ensure the accuracy of the test during the test. Therefore, in order to solve the temperature requirements of the turbine blade tenon joint.

[0004] It is particularly important to develop a device that can simulate high-temperature and high-load environments and has high-precision temperature change regulation at the joints of turbine blades. Summary of the Invention

[0005] The purpose of the present invention is to provide a high-temperature and high-load testing device for a turbine blade mortise joint structure, so as to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned object, the present invention provides the following technical solution: a high-temperature, high-load test device for a turbine blade mortise joint structure, comprising a mounting base, a lower heating cage fixedly mounted on the upper end of the mounting base, and an upper heating cage disposed on the upper end of the lower heating cage; A lower chuck is provided inside the lower heating cage and the upper heating cage, and an upper chuck is provided on the upper end of the lower chuck; Single crystal blades are evenly installed in an annular array between the lower chuck and the upper chuck; Water pipe grooves are provided in the inner interlayers of the lower chuck and the upper chuck. The water pipe grooves are arranged along the single crystal blades, and condensing pipes are provided inside the water pipe grooves.

[0007] Preferably, the edges of the adjacent end faces of the lower chuck and the upper chuck are both provided with grooves in an annular array, and a clamping block is fixedly installed at one end of the inner side of the single crystal blade, and the clamping block is slidably installed inside the groove.

[0008] Preferably, a turntable is rotatably installed at the upper end of the upper heating cage, a turntable is fixedly installed at the lower end of the turntable, a second mounting rod is slidably installed on the outer side of the lower end of the turntable, a second mounting rod is provided at the upper end of the second mounting rod, the lower end of the second mounting rod is slidably installed inside the second mounting slot, and the lower end of the second mounting rod is fixedly connected to the upper chuck.

[0009] Preferably, a servo motor is fixedly installed on the lower end surface of the mounting base, and a gear ring is fixedly installed on the upper end surface of the mounting base located inside the lower heating cage, and a first triangular plate is rotatably installed on the output shaft of the servo motor, and an annular groove is provided on the inner side of the first triangular plate, and a convex ring is rotatably installed inside the annular groove, and the convex ring is fixedly installed on the output shaft of the servo motor, and a sun gear is fixedly installed on the output shaft of the servo motor, and planetary gears are rotatably installed at the corners of the first triangular plate, and the planetary gears are meshed with the sun gear and the gear ring, and the upper ends of the planetary gears are jointly mounted with a second triangular plate, and the upper end of the second triangular plate is fixedly mounted with a lower mounting plate.

[0010] Preferably, an upper mounting plate is provided above the lower mounting plate, and fixing rods are fixedly installed on adjacent end surfaces of the lower mounting plate and the upper mounting plate in an annular array, and sliding grooves are provided on adjacent end surfaces of the lower mounting plate and the upper mounting plate in an annular array, and telescopic pumps are fixedly installed on the outer side surfaces of the lower mounting plate and the upper mounting plate, and a slider is fixedly installed on the telescopic rod of the telescopic pump inside the sliding groove, and an arc plate is fixedly installed between the upper and lower adjacent sliders, and arc teeth are fixedly installed on the inner side surface of the arc plate.

[0011] Preferably, a third mounting slot is provided from the lower mounting plate to the upper end surface of the second triangular plate, a first mounting rod is slidably installed inside the third mounting slot, a main connecting rod is fixedly installed on the upper end of the first mounting rod, the upper end of the main connecting rod is fixedly connected to the lower end surface of the lower chuck, an arc-shaped tooth groove is provided on the outer side surface of the lower end of the main connecting rod, and the arc-shaped tooth groove can engage with the arc-shaped teeth.

[0012] Preferably, a water tank is fixedly installed on the upper end of the upper heating cage, and a first installation tube is fixedly installed on the lower end of the water tank inside the turntable and the rotating rod, a first connecting tube is slidably installed on the outer side of the lower end of the first installation tube, a first installation hole is opened on the outer side of the upper end of the first connecting tube, the lower end of the first installation tube is slidably installed inside the first installation hole, the first connecting tube is located inside the second installation rod, and the lower end of the first connecting tube is fixedly installed with a first three-way pipe.

[0013] Preferably, a first water supply pipe is fixedly installed on both sides of the lower end of the first three-way pipe, a second insertion rod is fixedly installed on the lower end of the first three-way pipe, and a second water supply pipe is slidably installed on the outer side of the lower end of the second insertion rod, and the outer sides of the first water supply pipe and the second water supply pipe are fixedly connected to the adjacent condenser pipe.

[0014] Preferably, a second three-way pipe is fixedly installed on the lower end of the lower chuck, the upper end of the second three-way pipe is fixedly connected to the adjacent condenser pipe, the lower end of the second three-way pipe is fixedly installed with a second connecting pipe, a second insertion pipe is slidingly installed on the outer side of the lower end of the second connecting pipe, and a third three-way pipe is fixedly installed on the lower end of the second insertion pipe, the third three-way pipe is located inside the mounting base, and a water drain tank is provided inside the mounting base.

[0015] Preferably, a first mounting slot is provided at the upper end of the lower heating cage, a first mounting plate is slidably installed inside the first mounting slot, the upper end of the first mounting plate is fixedly connected to the lower end of the upper heating cage, the mounting slot is fixedly installed inside the upper heating cage, a first motor is fixedly installed in the interlayer of the upper heating cage, a gear is fixedly installed on the output shaft of the first motor, a gear ring is rotatably installed inside the mounting slot, the gear ring is engaged with the gear, a first mounting rod is symmetrically fixedly installed on the upper and lower end surfaces of the gear ring, and a high-speed camera and a high-depth-of-field microscope are fixedly installed on the outer side of the first mounting rod; A symmetrical cavity rod is fixedly installed on the outer side surface of the mounting base, a sliding rod is slidably installed inside the cavity rod, the upper end of the sliding rod is fixedly connected to the outer side surface of the upper heating cage, a second motor is fixedly installed on the lower end surface of the mounting base, a first threaded rod is fixedly installed on the output shaft of the second motor and located inside the cavity rod, and the sliding rod is threadedly rotatably installed on the circumferential surface of the first threaded rod.

[0016] Compared with the prior art, the present invention has the following beneficial effects: 1. In the present invention, water pipe grooves are provided in the interlayers of the upper chuck and the lower chuck, and condensing pipes are fixedly installed inside the water pipe grooves. Moreover, the water pipe grooves are provided along the edges of the grooves. Therefore, during operation, the condensing pipes can transfer low temperatures to the blocks through the grooves, and then transfer them to the single crystal blades through the blocks, thereby adjusting the temperature of the blade mortise joints. Moreover, since the water inside the condensing pipes is in a flowing state, it takes away the heat inside the grooves, maintains its stable performance, and improves the accuracy and stability of the test.

[0017] 2. The present invention, through the provision of the first motor, gears, gear ring, first mounting rod and other components, can achieve position adjustment of the high-speed camera and the high-depth-of-field microscope, thereby facilitating all-round observation and recording of the mortise and tenon joints of the single crystal blades, further improving the reliability and practicality of the test; in addition, under the action of the sun gear and planetary gears, a larger torque can be generated, thereby ensuring the safety of the drive structure during the test.

[0018] 3. In addition, the present invention can adjust the height of the upper heating cage by providing the second motor, the first threaded rod, the sliding rod and other components, so as to facilitate the adjustment of the internal structure according to actual needs and the removal of the internal single crystal blades after the test is completed. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the specific embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0020] Figure 1 It is an external view of the main body of the present invention; Figure 2 This is a structural diagram of the upper heating cage and the lower heating cage of the present invention; Figure 3 Schematic diagram of the cavity rod and the sliding rod of the present invention; Figure 4 This is a diagram showing the internal structure of the lower heating cage of the present invention; Figure 5 Schematic diagram of the sun gear and planetary gears of the present invention; Figure 6 This is a schematic diagram of the connection between the second triangular plate and the lower mounting plate of the present invention; Figure 7 It is a structural diagram of the lower mounting plate and the upper mounting plate of the present invention; Figure 8 Schematic diagram of the main connecting rod of the present invention; Figure 9 is a schematic diagram of the gear ring of the present invention; Figure 10 A schematic diagram of a single crystal blade and a slot according to the present invention; Figure 11 This is a schematic diagram of the water pipe trough of the present invention; Figure 12 Schematic diagram of the first tee pipe and the first water supply pipe of the present invention; Figure 13 A schematic diagram of the rotating rod and the mounting rod of the present invention; Figure 14 Schematic diagram of the condenser and the second three-way pipe of the present invention; Figure 15 This is a schematic diagram of the connection of upper and lower adjacent condenser tubes of the present invention.

[0021] Description of reference numerals: 1. Mounting base; 101. Drain tank; 102. Lower heating cage; 103. First mounting slot; 104. Upper heating cage; 105. First mounting plate; 106. Mounting slot; 107. First motor; 108. Gear; 109. Gear ring; 110. First mounting rod; 111. High-speed camera; 112. High-depth-of-field microscope; 113. Turntable; 114. Turntable; 115. Second mounting rod; 116. Second mounting slot; 2. Second motor; 201. First threaded rod; 202. Cavity rod; 203. Sliding rod; 3. Servo motor; 301. convex ring; 302. first triangular plate; 303. annular groove; 304. ring gear; 305. sun gear; 306. planetary gear; 307. second triangular plate; 3071. third mounting slot; 308. lower mounting plate; 309. upper mounting plate; 310. fixing rod; 311. slide groove; 312. telescopic pump; 3121. slider; 313. arc plate; 314. arc teeth; 4. Main connecting rod; 401. Arc-shaped tooth groove; 402. First insertion rod; 403. Lower chuck; 404. Upper chuck; 405. Clamping groove; 406. Water pipe groove; 407. Clamping block; 408. Single crystal blade; 409. Condenser tube; 5. Water tank; 501. First installation pipe; 502. First connecting pipe; 503. First installation hole; 504. First three-way pipe; 505. First water supply pipe; 506. Second installation rod; 507. Second water supply pipe; 508. Second three-way pipe; 509. Second connecting pipe; 510. Second installation pipe; 511. Third three-way pipe. DETAILED DESCRIPTION

[0022] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0023] See also Figures 1 to 15 , the present invention provides a technical solution: A high-temperature and high-load test equipment for a turbine blade mortise structure includes a mounting base 1, a drain trough 101 is provided in the internal interlayer of the mounting base 1, the drain trough 101 is used to receive the water flowing out of the subsequent third three-way pipe 511, and a water outlet is provided from the inside of the drain trough 101 to the lower end surface of the mounting base 1, for draining the water inside. Secondly, a lower heating cage 102 is fixedly installed on the upper end surface of the mounting base 1, a first installation slot 103 is provided on the upper end surface of the lower heating cage 102, a first installation slot 103 is slidably installed inside the first installation slot 103, an upper heating cage 104 is fixedly installed on the upper end surface of the first installation plate 105, and the upper heating cage 104 is fixedly installed inside. A mounting groove 106 is provided, and a first motor 107 is fixedly installed in the inner interlayer of the upper heating cage 104. A gear 108 is fixed on the output shaft of the first motor 107. A gear ring 109 is rotatably installed inside the mounting groove 106. The gear ring 109 is engaged with the gear 108. A tooth groove is provided on the outer side of the gear ring 109, so that the gear 108 can engage with the gear ring 109. The upper end face and the lower end face of the gear ring 109 are fixedly installed with symmetrical first mounting rods 110. A high depth of field microscope 112 is fixedly installed at one end of the two first mounting rods 110 on the left side away from each other, and a high-speed camera 111 is fixedly installed at one end of the two first mounting rods 110 on the right side away from each other. Figure 2 and Figure 9 shown.

[0024] During use, the first motor 107 is started, and the output shaft of the first motor 107 drives the gear 108 to rotate, the gear 108 drives the gear ring 109 to rotate, and the gear ring 109 drives the first mounting rod 110 to rotate. The first mounting rod 110 drives the high-speed camera 111 and the high-depth-of-field microscope 112 to rotate synchronously. The high-speed camera 111 and the high-depth-of-field microscope 112 rotate synchronously and are wrapped with high-temperature resistant materials to avoid melting.

[0025] A cavity rod 202 is fixedly mounted on the outer side of the lower heating cage 102 on the outer side of the upper end surface of the mounting base 1, and a slide rod 203 is slidably mounted inside the cavity rod 202. The top of the slide rod 203 is fixedly mounted on the outer side of the upper heating cage 104. A second motor 2 is fixedly mounted on the lower end surface of the mounting base 1. A first threaded rod 201 is fixedly mounted on the output shaft of the second motor 2 inside the cavity rod 202. The first threaded rod 201 and the slide rod 203 are in threaded rotation connection, as shown in FIG. Figure 3 shown.

[0026] During use, the second motor 2 is started, and the output shaft of the second motor 2 drives the first threaded rod 201 to rotate. During the rotation of the first threaded rod 201, the sliding rod 203 can slide along the path of the cavity rod 202. When the sliding rod 203 slides, it will drive the upper heating cage 104 up and down, so that the operator can see the internal structure clearly, thereby disassembling and installing the single crystal blade 408.

[0027] The servo motor 3 is fixedly mounted on the lower end surface of the mounting base 1, and the first triangular plate 302 is rotatably mounted on the output shaft of the servo motor 3, wherein an annular groove 303 is provided inside the first triangular plate 302, and a convex ring 301 is fixedly mounted on the output shaft of the servo motor 3, and the convex ring 301 is rotatably mounted inside the annular groove 303, and then, a sun gear 305 is fixedly mounted on the output shaft of the servo motor 3. Secondly, a gear ring 304 is fixedly mounted on the upper end surface of the mounting base 1 inside the lower heating cage 102. It should be noted that a circular cover is fixedly mounted on the upper end surface of the gear ring 304 for sealing effect, such as Figure 4 shown.

[0028] Inside the ring gear 304, three planetary gears 306 are rotatably arranged at the three corners of the first triangular plate 302. The planetary gears 306, the sun gear 305 and the ring gear 304 are meshed with each other. Then, a second triangular plate 307 is installed on the upper end surface of the planetary gears 306. The upper end surface of the second triangular plate 307 is fixedly installed with a lower mounting plate 308 through a sealing cover, and an upper mounting plate 309 is arranged above the lower mounting plate 308. Figure 7 As shown, a fixing rod 310 is fixedly installed between one adjacent end surface of the lower mounting plate 308 and the upper mounting plate 309 for connecting the lower mounting plate 308 and the upper mounting plate 309. Then, a sliding groove 311 is evenly arranged in an annular array on one adjacent end surface of the lower mounting plate 308 and the upper mounting plate 309, and four telescopic pumps 312 are fixedly installed on the outer side surface of the lower mounting plate 308 and the upper mounting plate 309. A slider 3121 is fixedly installed on the telescopic rod of the telescopic pump 312 inside the sliding groove 311, and an arc plate 313 is fixedly installed between the upper and lower sliders 3121, and an arc tooth 314 is fixedly installed on the inner side surface of the arc plate 313. Figure 7 shown.

[0029] During use, the servo motor 3 is started, and the output shaft of the servo motor 3 drives the sun gear 305 to rotate, and the sun gear 305 drives the planetary gear 306 to rotate synchronously, and drives the second triangular plate 307 to rotate synchronously, thereby driving the lower mounting plate 308 to rotate synchronously, and the lower mounting plate 308 drives the upper mounting plate 309 to rotate synchronously through the fixing rod 310, and then can drive the lower chuck 403 to rotate in subsequent operations, and further can drive the single crystal blade 408 to rotate synchronously.

[0030] Secondly, a third mounting slot 3071 is provided from the top of the lower mounting plate 308 to the upper end surface of the second triangular plate 307, and a first mounting rod 402 is slidably installed inside the third mounting slot 3071. The top of the first mounting rod 402 is fixedly installed with a main connecting rod 4, and an arc-shaped tooth groove 401 is provided on the outer side surface of the lower end of the main connecting rod 4. Figure 8 shown.

[0031] During use, the first insertion rod 402 passes through the upper mounting plate 309 and the lower mounting plate 308 and is slidably installed inside the third mounting slot 3071, and the telescopic pump 312 is started. The telescopic rod of the telescopic pump 312 drives the slider 3121 to slide inside the slide slot 311, thereby causing the arc plate 313 to slide synchronously. The arc plate 313 engages with the arc teeth 314 and the arc tooth groove 401, thereby fixing the first insertion rod 402 and allowing the first insertion rod 402 to rotate.

[0032] The top of the main connecting rod 4 is fixedly connected to the lower end surface of the lower chuck 403, and the upper end surface of the lower chuck 403 is provided with an upper chuck 404, wherein the edges of the adjacent ends of the lower chuck 403 and the upper chuck 404 are evenly provided with card grooves 405 in a circular array, and a card block 407 is fixedly installed at one end of the inner side of the single crystal blade 408, and the card block 407 is slidably installed inside the card groove 405. Under the action of the lower chuck 403 and the upper chuck 404, the card block 407 can be fixed. Secondly, water pipe grooves 406 are provided in the interlayer of the lower chuck 403 and the upper chuck 404, and condenser pipes 409 are fixedly installed inside the water pipe grooves 406. Figure 15 As shown, two horizontal condenser tubes 409 are provided inside the lower chuck 403 and the upper chuck 404, and a sliding connection device is provided between the two adjacent condenser tubes 409. Therefore, during use, the water source inside the condenser tube 409 inside the upper chuck 404 can enter the inside of the condenser tube 409 inside the lower chuck 403, thereby realizing the flow operation of the water source.

[0033] Secondly, a turntable 113 is rotatably mounted on the upper end of the upper heating cage 104, and a rotating rod 114 is fixedly mounted on the lower end of the turntable 113. A second mounting rod 115 is slidably mounted on the outer side of the lower end of the rotating rod 114. A second mounting slot 116 is provided on the top of the second mounting rod 115, and the lower end of the rotating rod 114 is slidably mounted inside the second mounting slot 116. In addition, the resistance between the two is large, and manual labor is required to remove them. Figure 13 shown.

[0034] Secondly, a water tank 5 is fixedly installed on the top of the upper heating cage 104, and a first insertion tube 501 is fixedly installed on the lower end of the water tank 5. It should be noted that a water pump is provided inside the water tank 5, and the water pump and the first insertion tube 501 are fixedly connected, so that the water source inside the water tank 5 can continuously enter the interior of the first insertion tube 501, and the first insertion tube 501 is located inside the turntable 113 and the rotating rod 114, as shown in FIG. Figure 13 shown.

[0035] The first connecting pipe 502 is inserted into the outer side of the lower end of the first insertion pipe 501, and a first insertion hole 503 is opened on the top of the first connecting pipe 502. The lower end of the first insertion pipe 501 is slidably installed in the first insertion hole 503, so as to realize installation and disassembly operations, and the first connecting pipe 502 is located inside the second installation rod 115, and the lower end of the first connecting pipe 502 is fixedly installed with a first three-way pipe 504, and the lower end of the first three-way pipe 504 is located at the opening position and a first water supply pipe 505 in a symmetrical state is fixedly installed, and then, the lower end of the first three-way pipe 504 is fixedly installed with a second insertion rod 506, and an L-shaped second water supply pipe 507 is slidably installed on the outer side of the lower end of the second insertion rod 506, wherein, during use, the second insertion rod 506 is slidably installed inside the upper end of the second water supply pipe 507, as shown in FIG. Figure 12 As shown, the flow operation of the water source is realized, and the first water supply pipe 505 and the second water supply pipe 507 are fixedly connected to the adjacent condenser pipe 409 at one end away from each other, so that the water source can enter the interior of the condenser pipe 409, realize the cooling operation of the block 407, and then adjust the temperature of the single crystal blade 408, thereby controlling the temperature of the card slot 405.

[0036] Secondly, a second three-way pipe 508 is fixedly installed at the lower end of the lowest condensing pipe 409, a second connecting pipe 509 is fixedly installed at the lower end of the second three-way pipe 508, a second insertion pipe 510 is provided on the outer side of the lower end of the second connecting pipe 509, and a third three-way pipe 511 is fixedly installed at the lower end of the second insertion pipe 510.

[0037] Among them, the second three-way pipe 508 and the second connecting pipe 509 are located inside the main connecting rod 4, and the second insertion pipe 510 is located inside the ring gear 304, thereby passing through the sun gear 305, and the lower end of the third three-way pipe 511 is located inside the water drain trough 101, realizing the flow operation of the water source.

[0038] Working principle: First, start the second motor 2, the output shaft of the second motor 2 drives the first threaded rod 201 to rotate, the rotation of the first threaded rod 201 causes the slide rod 203 to slide upward, and the slide rod 203 slides to move the upper heating cage 104.

[0039] At this time, the operator installs the single crystal blades 408 one by one inside the card slot 405, and the second motor 2 rotates in the opposite direction to move the upper heating cage 104 downward, so that the first insertion plate 105 is slidably installed inside the first installation slot 103, thereby forming a sealing structure.

[0040] Under the action of electricity, the upper heating cage 104 and the lower heating cage 102 perform a temperature increase operation to meet the high temperature test requirements.

[0041] Then, start the servo motor 3, the output shaft of the servo motor 3 rotates synchronously with the sun gear 305, the sun gear 305 rotates synchronously with the planetary gear 306, the planetary gear 306 rotates synchronously with the second triangular plate 307, the second triangular plate 307 rotates synchronously with the lower mounting plate 308, the lower mounting plate 308 rotates synchronously with the arc plate 313, the arc plate 313 rotates synchronously with the upper mounting plate 309, and rotates synchronously with the first insertion rod 402.

[0042] The first insertion rod 402 rotates synchronously with the main connecting rod 4, the main connecting rod 4 rotates with the lower chuck 403, and the lower chuck 403 rotates synchronously with the large single crystal blade 408 and the upper chuck 404.

[0043] Next, start the first motor 107. The output shaft of the first motor 107 drives the gear 108 to rotate. The gear 108 drives the gear ring 109 to rotate synchronously. The gear ring 109 drives the first mounting rod 110 to rotate synchronously. The first mounting rod 110 drives the corresponding high-speed camera 111 and high-depth-of-field microscope 112 to rotate synchronously, so as to take pictures of the single crystal blade 408 and magnify fine positions.

[0044] Start the water pump inside the water tank 5, let the water inside the water tank 5 enter the first installation tube 501, then enter the first connecting tube 502, and then enter the first three-way pipe 504. Let the water enter the condenser 409 through the first water supply pipe 505 and the second water supply pipe 507, so as to complete the temperature adjustment of the block 407 and the cooling operation of the lower chuck 403 and the upper chuck 404. Then the water enters the second three-way pipe 508, then enters the second connecting tube 509, and then enters the second installation tube 510, and finally flows out through the third three-way pipe 511. The outflowing water is located inside the drain tank 101 and is finally discharged.

[0045] Secondly, during the disassembly process, the telescopic pump 312 is started, and the telescopic rod of the telescopic pump 312 slides with the slider 3121, and then slides with the arc plate 313, so that the arc teeth 314 and the arc tooth grooves 401 can be separated, and then the main connecting rod 4 can be removed.

[0046] Secondly, during use, the lower end of the rotating rod 114 is slidably installed inside the second installation slot 116, and manual plugging and unplugging operations are required during use, so that the second installation rod 115 can move synchronously with the upper chuck 404.

[0047] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the above embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A high-temperature, high-load test device for a turbine blade mortise joint structure, comprising a mounting base (1), characterized in that: A lower heating cage (102) is fixedly mounted on the upper end of the mounting base (1), and an upper heating cage (104) is provided on the upper end of the lower heating cage (102); A lower chuck (403) is provided inside the lower heating cage (102) and the upper heating cage (104), and an upper chuck (404) is provided at the upper end of the lower chuck (403); Single crystal blades (408) are evenly installed in an annular array between the lower chuck (403) and the upper chuck (404); A water pipe groove (406) is provided in the inner interlayer of the lower chuck (403) and the upper chuck (404). The water pipe groove (406) is arranged along the single crystal blade (408). A condenser pipe (409) is provided inside the water pipe groove (406).

2. The high-temperature, high-load testing equipment for turbine blade mortise joints according to claim 1, characterized in that: A clamping groove (405) is provided in a circular array at the edge of one adjacent end face of the lower chuck (403) and the upper chuck (404), and a clamping block (407) is fixedly installed at one end of the inner side of the single crystal blade (408), and the clamping block (407) is slidably installed inside the clamping groove (405).

3. The high-temperature, high-load testing equipment for turbine blade mortise joints according to claim 1, characterized in that: A turntable (113) is rotatably mounted on the upper end of the upper heating cage (104), a rotating rod (114) is fixedly mounted on the lower end of the turntable (113), a second mounting rod (115) is slidably mounted on the outer side of the lower end of the rotating rod (114), a second mounting slot (116) is provided at the upper end of the second mounting rod (115), the lower end of the rotating rod (114) is slidably mounted inside the second mounting slot (116), and the lower end of the second mounting rod (115) is fixedly connected to the upper chuck (404).

4. The high-temperature, high-load testing equipment for turbine blade mortise joints according to claim 1, characterized in that: The lower end surface of the mounting base (1) is fixedly mounted with a servo motor (3), the upper end surface of the mounting base (1) is located inside the lower heating cage (102) and is fixedly mounted with a gear ring (304), the output shaft of the servo motor (3) is rotatably mounted with a first triangular plate (302), the inner side of the first triangular plate (302) is provided with an annular groove (303), the inner side of the annular groove (303) is rotatably mounted with a convex ring (301), the convex ring (301) is fixedly mounted on the output shaft of the servo motor (3), the output shaft of the servo motor (3) is fixedly mounted with a sun gear (305), the corners of the first triangular plate (302) are rotatably mounted with planetary gears (306), the planetary gears (306) are meshed with the sun gear (305) and the gear ring (304), the upper ends of the planetary gears (306) are jointly mounted with a second triangular plate (307), and the upper end of the second triangular plate (307) is fixedly mounted with a lower mounting plate (308).

5. The high-temperature, high-load testing equipment for turbine blade mortise joints according to claim 4, characterized in that: An upper mounting plate (309) is provided above the lower mounting plate (308), and fixed rods (310) are fixedly installed in an annular array on the adjacent end surfaces of the lower mounting plate (308) and the upper mounting plate (309), and sliding grooves (311) are opened in an annular array on the adjacent end surfaces of the lower mounting plate (308) and the upper mounting plate (309), and telescopic pumps (312) are fixedly installed on the outer side surfaces of the lower mounting plate (308) and the upper mounting plate (309), and a slider (3121) is fixedly installed on the telescopic rod of the telescopic pump (312) inside the sliding groove (311), and an arc plate (313) is fixedly installed between the upper and lower adjacent sliders (3121), and an arc tooth (314) is fixedly installed on the inner side surface of the arc plate (313).

6. The high-temperature, high-load testing equipment for turbine blade mortise joints according to claim 5, characterized in that: A third mounting slot (3071) is provided from the lower mounting plate (308) to the upper end surface of the second triangular plate (307), a first mounting rod (402) is slidably installed inside the third mounting slot (3071), a main connecting rod (4) is fixedly installed on the upper end of the first mounting rod (402), the upper end of the main connecting rod (4) is fixedly connected to the lower end surface of the lower chuck (403), an arc-shaped tooth groove (401) is provided on the outer side surface of the lower end of the main connecting rod (4), and the arc-shaped tooth groove (401) can be engaged with the arc-shaped tooth (314).

7. The high-temperature, high-load testing equipment for turbine blade mortise joints according to claim 5, characterized in that: A water tank (5) is fixedly installed at the upper end of the upper heating cage (104); a first insertion tube (501) is fixedly installed at the lower end of the water tank (5) inside the turntable (113) and the turn rod (114); a first connecting tube (502) is slidably installed on the outer side of the lower end of the first insertion tube (501); a first insertion hole (503) is provided on the outer side of the upper end of the first connecting tube (502); the lower end of the first insertion tube (501) is slidably installed inside the first insertion hole (503); the first connecting tube (502) is located inside the second installation rod (115); and a first three-way tube (504) is fixedly installed on the lower end of the first connecting tube (502).

8. The high-temperature, high-load testing equipment for turbine blade mortise joints according to claim 7, characterized in that: A first water supply pipe (505) is fixedly installed on both sides of the lower end of the first three-way pipe (504), a second insertion rod (506) is fixedly installed on the lower end of the first three-way pipe (504), and a second water supply pipe (507) is slidably installed on the outer side of the lower end of the second insertion rod (506). The outer sides of the first water supply pipe (505) and the second water supply pipe (507) are fixedly connected to the adjacent condenser pipe (409).

9. The high-temperature, high-load testing equipment for turbine blade mortise joints according to claim 1, characterized in that: A second three-way pipe (508) is fixedly installed at the lower end of the lower chuck (403), the upper end of the second three-way pipe (508) is fixedly connected to the adjacent condenser pipe (409), the lower end of the second three-way pipe (508) is fixedly installed with a second connecting pipe (509), the outer side of the lower end of the second connecting pipe (509) is slidably installed with a second insertion pipe (510), the lower end of the second insertion pipe (510) is fixedly installed with a third three-way pipe (511), the third three-way pipe (511) is located inside the mounting base (1), and a water drain tank (101) is opened inside the mounting base (1).

10. The high-temperature, high-load testing equipment for turbine blade mortise joints according to claim 1, characterized in that: The upper end of the lower heating cage (102) is provided with a first installation slot (103), a first installation plate (105) is slidably installed inside the first installation slot (103), the upper end of the first installation plate (105) is fixedly connected to the lower end of the upper heating cage (104), the interior of the upper heating cage (104) is fixedly installed with an installation slot (106), a first motor (107) is fixedly installed in the interlayer of the upper heating cage (104), a gear (108) is fixedly installed on the output shaft of the first motor (107), a gear ring (109) is rotatably installed inside the installation slot (106), the gear ring (109) and the gear (108) are meshed, the upper and lower end surfaces of the gear ring (109) are symmetrically fixedly installed with a first installation rod (110), and the outer side of the first installation rod (110) is fixedly installed with a high-speed camera (111) and a high-depth-of-field microscope (112); A symmetrical cavity rod (202) is fixedly mounted on the outer side surface of the mounting base (1), a sliding rod (203) is slidably mounted inside the cavity rod (202), the upper end of the sliding rod (203) is fixedly connected to the outer side surface of the upper heating cage (104), a second motor (2) is fixedly mounted on the lower end surface of the mounting base (1), a first threaded rod (201) is fixedly mounted on the output shaft of the second motor (2) inside the cavity rod (202), and the sliding rod (203) is threadably mounted on the circumferential surface of the first threaded rod (201).