Water jet cutter soil cutting simulation test frame body device for open caisson construction

By designing a waterjet soil cutting simulation test frame device for caisson construction, the problem of uncertainty in the punching range of hard soil under different conditions of high-pressure water injection nozzle is solved, and the safety of caisson sinking construction is achieved and efficiency.

CN119470120APending Publication Date: 2025-02-18CCCC SECOND HARBOR ENGINEERING CO LTD +3
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Patent Information

Application Number
CN202411742345.4
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-11-29
Publication Date
2025-02-18

AI Technical Summary

Technical Problem

During caisson construction, the digging range of hard soil is uncertain under different distances, inclinations and different combinations between the high-pressure water injection nozzle and the soil, resulting in the sinking construction of the caisson and whether it occurs after the caisson wall. The void is immeasurable and affects construction safety and efficiency.

Method used

Design a waterjet soil cutting simulation test frame device, including a base frame, a water pipe frame, a pipe sleeve and a nozzle. Through the combination and adjustment of multiple water pipe frames, different nozzle structures, cutting parameters, and water pipe position are simulated. and angle conditions, indoor tests were conducted to evaluate the punching effect of high-pressure water spray technology.

Benefits of technology

Through the use of this device, the optimal nozzle structure, cutting parameters, water pipe position and angle can be quickly tested, ensuring that the caisson can sink smoothly and safely under different geological conditions, reducing cutting dead angles and improving cutting effect.

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Abstract

The invention provides a water jet cutter soil cutting simulation test frame body device for open caisson construction, which comprises a base frame, a plurality of water jet pipe frame bodies are arranged on the base frame, pipe sleeves for sleeving high-pressure water jet pipe bodies are arranged on the water jet pipe frame bodies, the pipe sleeves are rotatable, the upper ends of the high-pressure water jet pipe bodies are connected with high-pressure inlet water, and nozzles are arranged at the lower ends of the high-pressure water jet pipe bodies. The problem of soil cutting simulation before sinking construction of the open caisson is solved, the punching effect of the high-pressure water jetting technology on the hard soil body is accurately evaluated, and therefore it is guaranteed that the open caisson can smoothly and safely sink.
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Description

Technical Field

[0001] The invention relates to the field of caisson construction, in particular to a water jet soil cutting simulation test frame device used for caisson construction. Background Art

[0002] The anchor foundation of a large suspension bridge often uses a caisson enclosure structure. During the caisson sinking construction, dry excavation or underwater excavation is often used. Due to different geological conditions, the caisson sinking construction will face the risk of difficult sinking or sudden sinking. Generally, when the caisson adopts dry excavation during the sinking process, it is often used with a small excavator to take soil, and then the caisson sinks by its own weight. When the caisson sinks by underwater soil taking, air suction mud operation is often used, and then the caisson sinks by its own weight.

[0003] The above process is applicable to conventional geological conditions. Once unfavorable geological conditions are encountered during the caisson sinking construction, such as hard geological strata, the caisson is prone to the risk of being difficult to sink. At this time, whether underwater operations or dry excavation operations are adopted, high-pressure water jetting can be used to assist sinking. However, the current problem is that the different distances, different inclination angles and different combinations between the high-pressure water jet nozzle and the soil will cause different shear ranges on the hard soil, which will have an immeasurable impact on the caisson sinking construction and whether voids will be generated behind the caisson wall. Under such conditions, it will have an adverse effect on the caisson sinking, and there is currently no research on this.

[0004] In view of the above problems, it is urgently necessary to use an indoor simulated water jet cutting test device to study the technical difficulties faced by the caisson under dry excavation or underwater excavation conditions, and accurately evaluate the shearing effect of high-pressure water jet technology on hard soil, so as to ensure that the caisson can sink smoothly and safely. Summary of the invention

[0005] The invention provides a water jet soil cutting simulation test frame device for caisson construction, which solves the problem of soil cutting simulation before caisson sinking construction.

[0006] In order to solve the above technical problems, the technical solution adopted by the present invention is: a water jet soil cutting simulation test frame device for caisson construction, including a base frame, a plurality of water jetting pipe frames are arranged on the base frame, and the water jetting pipe frames are provided with a pipe sleeve for sleeve-connecting a high-pressure water jetting pipe body, and the pipe sleeve is rotatable. The upper end of the high-pressure water jetting pipe body is connected to a high-pressure water inlet, and a nozzle is arranged at the lower end of the high-pressure water jetting pipe body.

[0007] In the preferred solution, the base frame is a cubic structure, each water jetting pipe frame is arranged in the base frame, the water jetting pipe frame is provided with a clamping bolt, the base frame is provided with a slide groove, and the clamping bolt is clamped in the slide groove and slides.

[0008] In a preferred solution, the water jet pipe frame includes a frame frame and a translation frame, the frame frame is provided with a first guide groove, both ends of the translation frame are arranged in the first guide groove for sliding, the translation frame is provided with a second guide groove, one end of the pipe sleeve is arranged in the second guide groove for sliding.

[0009] In the preferred embodiment, the frame is a U-shaped structure with an open lower end, the first guide groove is arranged in the vertical arm of the U-shaped structure, the nozzle of the high-pressure water jetting tube is facing the open end of the frame, the first guide groove is vertical, the second guide groove is horizontal, a movable transverse block is arranged in the second guide groove, an outward shaft is arranged on one side of the transverse block, a hinged ear seat is arranged on the outside of the pipe sleeve, the hinged ear seat is hinged to the outward shaft and the hinge axis is parallel to the length direction of the second guide groove.

[0010] In a preferred solution, one end of the extended shaft is rotatably sleeved with the transverse movement block, an annular groove is provided on the outer side of the sleeved end of the extended shaft, and the transverse movement block is provided with a limit pin, one end of the limit pin is inserted into the annular groove.

[0011] In a preferred solution, a toothed edge structure is provided on the outer side of the extended shaft, and a threaded clamping screw is provided on the transverse movement block, and the clamping screw clamps the toothed edge structure.

[0012] In a preferred solution, a rotatable first screw rod is provided in the second guide groove, and a first nut sleeve is provided on the transverse movement block. The first nut sleeve is threadedly sleeved with the first screw rod, and the outer side of the transverse movement block is in contact with the inner wall of the second guide groove.

[0013] In the preferred embodiment, the translation frame is provided with a rotatable first transmission shaft, one end of the first transmission shaft is arranged in the second guide groove and is sleeved with a first bevel gear, the first screw rod is sleeved with a second bevel gear, the second bevel gear is meshed with the first bevel gear, and the other end of the first transmission shaft is provided with a second gear. The translation frame is also provided with a transverse motor, and the end of the transverse motor shaft is provided with a first gear, and the first gear is meshed with the second gear.

[0014] In the preferred solution, connecting blocks are provided at both ends of the translation frame, a rotatable second screw rod is provided in each first guide groove, a second nut sleeve is sleeved on the second screw rod, a lifting block is sleeved on the outer side of the second nut sleeve, and one end of the lifting block is clamped with the connecting block.

[0015] In the preferred scheme, a rotatable second transmission shaft is provided on the frame, third bevel gears are provided at both ends of the second transmission shaft, the upper end of each second screw rod passes through the frame frame and is covered with a fourth bevel gear, the third bevel gear is meshed with the fourth bevel gear, and a fourth gear is covered in the middle of the second transmission shaft. A lifting motor is also provided on the frame, and a third gear is provided at the shaft end of the lifting motor, and the third gear is meshed with the fourth gear.

[0016] The beneficial effects of the present invention are as follows: the base frame is used to test multiple water jet pipe frames, thereby assisting in quickly testing the optimal nozzle structure, cutting parameters, water jet pipe position and angle; the water jet pipe frame adopts a modular design and can be loaded on the base frame as a whole, or can be disassembled as a whole and directly used for on-site construction. After the test is completed, there is no need to disassemble and splice again, thereby reducing the workload; the water jet pipe frame can automatically adjust the height and lateral position, and no manual adjustment is required during testing and construction. At the same time, dynamic cutting is adopted, which can effectively reduce cutting dead angles and improve cutting effects. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0018] Figure 1 It is a schematic diagram of the test device of the present invention.

[0019] Figure 2 It is a schematic diagram of a water jet pipe frame of the present invention.

[0020] Figure 3 It is a pipe sleeve structure diagram of the present invention.

[0021] Figure 4 It is a schematic diagram of soil cutting of the present invention.

[0022] Figure 5 It is a construction application diagram of the present invention.

[0023] Figure 6 It is a schematic diagram of the optimization of the water jet pipe frame of the present invention.

[0024] Figure 7 It is a cross-sectional schematic diagram of a water jet pipe frame of the present invention.

[0025] Figure 8 It is a cross-sectional view of the pipe sleeve connection structure of the present invention.

[0026] Fig. 9 It is a structural diagram of the pipe sleeve connection structure of the present invention.

[0027] Fig.10 It is a diagram of the automatic transverse movement mechanism of the present invention.

[0028] Fig.11 It is a diagram of the automatic vertical shifting mechanism of the present invention.

[0029] Fig.12 This is a schematic diagram of the installation of the water jet pipe frame on the inner side of the caisson.

[0030] In the figure: high-pressure water jet pipe body 1; pipe sleeve bolt 2; pipe sleeve 3; hinged ear seat 301; base frame 4; clamping bolt 5; nozzle 6; slide groove 7; fixing screw 8; soil sample 9; high-pressure water 10; air compressor 11; water pump 12; caisson 13; annular rotating frame 14; water jet pipe frame 15; frame frame 1501; translation frame 1502; pin bolt 1503; transverse block 1504; first guide groove 1505; second guide groove 1506; extension shaft 1507; annular groove 1508; limit pin 1509; tooth edge structure 1510; pressure Tightening screw 1511; connecting block 1512; first screw rod 1513; first nut sleeve 1514; lifting block 1515; second nut sleeve 1516; second screw rod 1517; traverse motor 16; first gear 1601; second gear 1602; first transmission shaft 1603; first bevel gear 1604; second bevel gear 1605; lifting motor 17; third gear 1701; fourth gear 1702; second transmission shaft 1703; third bevel gear 1704; fourth bevel gear 1705; intermediate connecting frame 18. DETAILED DESCRIPTION

[0031] Embodiment 1: like Figure 1-12 A water jet soil cutting simulation test frame device for caisson construction includes a base frame 4, a plurality of water jet pipe frames 15 are provided on the base frame 4, a pipe sleeve 3 for sleeve-connecting a high-pressure water jet pipe body 1 is provided on the water jet pipe frame 15, the pipe sleeve 3 is rotatable, the upper end of the high-pressure water jet pipe body 1 is connected to a high-pressure water inlet, and a nozzle 6 is provided at the lower end of the high-pressure water jet pipe body 1.

[0032] The soil sample 9 dug from the construction site is laid on the test site, the base frame 4 is placed on the surface of the soil sample 9, and each water jet pipe frame 15 is installed, each high-pressure water jet pipe body 1 is sleeved in each pipe sleeve 3, and the pipe sleeve bolt 2 is installed and locked. Connect the high-pressure water inlet, each high-pressure water jet pipe body 1 can use different nozzles 6, and the high-pressure water inlet can be mixed with cutting fluids of different components and concentrations to spray high-pressure water 10 to impact the soil sample 9. Each water jet pipe frame 15 is subjected to a control test to test the final effect of cutting soil with different nozzle structures, different water inlet pressures, different cutting fluids, different cutting heights, and different cutting angles, and select the best matching solution.

[0033] In the preferred solution, the base frame 4 is a cubic structure, each water jetting pipe frame 15 is arranged in the base frame 4, the water jetting pipe frame 15 is provided with a clamping bolt 5, and the base frame 4 is provided with a slide groove 7, and the clamping bolt 5 is clamped in the slide groove 7 and slides.

[0034] In the preferred embodiment, the water jet pipe frame 15 includes a frame frame 1501 and a translation frame 1502. The frame frame 1501 is provided with a first guide groove 1505. Both ends of the translation frame 1502 are arranged to slide in the first guide groove 1505. The translation frame 1502 is provided with a second guide groove 1506. One end of the pipe sleeve 3 is arranged in the second guide groove 1506 to slide.

[0035] Clamping bolts 5 can also be installed at both ends of the translation frame 1502 for clamping and sliding in the first guide groove 1505. A fixing screw 8 can be welded to one end of the pipe sleeve 3, which is inserted into the second guide groove 1506 and locked by a nut, so that the pipe sleeve 3 can move along the second guide groove 1506.

[0036] In the preferred embodiment, the frame 1501 is a U-shaped structure with an opening at the lower end. The first guide groove 1505 is arranged in the vertical arm of the U-shaped structure. The nozzle 6 of the high-pressure water jetting tube body 1 is facing the open end of the frame 1501. The first guide groove 1505 is vertical, and the second guide groove 1506 is horizontal. A movable transverse block 1504 is provided in the second guide groove 1506, and an extension shaft 1507 is provided on one side of the transverse block 1504. A hinged ear seat 301 is provided on the outer side of the pipe sleeve 3. The hinged ear seat 301 is hinged to the extension shaft 1507 and the hinge axis is parallel to the length direction of the second guide groove 1506.

[0037] A pin bolt 1503 is provided at the right angle inside the U-shaped structure.

[0038] The pipe sleeve 3 can be pitched and swung. Since the lower end of the frame 1501 is open, the spraying direction can be close to the inner side of the frame 1501, which will not interfere with the jet and is more in line with the working condition of spraying inclined inward on site.

[0039] In the preferred embodiment, one end of the extended shaft 1507 is rotatably connected to the transverse block 1504 , an annular groove 1508 is provided on the outer side of the connected end of the extended shaft 1507 , and the transverse block 1504 is provided with a limit pin 1509 , one end of the limit pin 1509 is inserted into the annular groove 1508 .

[0040] In a preferred solution, a toothed edge structure 1510 is provided on the outer side of the extended shaft 1507 , and a threaded clamping screw 1511 is provided on the transverse block 1504 , and the clamping screw 1511 clamps the toothed edge structure 1510 .

[0041] The cap end of the clamping screw 1511 also has a tooth structure, which can compress the tooth edge structure 1510 and lock the rotation of the extended shaft 1507.

[0042] The articulated ear seat 301 and the side contacting the extended shaft 1507 are also provided with a tooth structure, and a bolt pin passes through the articulated ear seat 301 and the extended shaft 1507, and the bolt pin is sleeved with a nut. When the nut is tightened, the articulated ear seat 301 is deformed, and the tooth structures are squeezed against each other, locking the swing angle of the sleeve 3 in the pitch direction.

[0043] In a preferred embodiment, a rotatable first screw rod 1513 is provided in the second guide groove 1506 , and a first nut sleeve 1514 is provided in the transverse movement block 1504 . The first nut sleeve 1514 is threadedly sleeved with the first screw rod 1513 , and the outer side of the transverse movement block 1504 is against the inner wall of the second guide groove 1506 .

[0044] The second guide groove 1506 is a rectangular groove, and the transverse block 1504 is a rectangular block. The transverse block 1504 and the second guide groove 1506 are in a flat surface, which can prevent the transverse block 1504 from rotating.

[0045] In the preferred embodiment, the translation frame 1502 is provided with a rotatable first transmission shaft 1603, one end of the first transmission shaft 1603 is arranged in the second guide groove 1506 and is sleeved with a first bevel gear 1604, the first screw rod 1513 is sleeved with a second bevel gear 1605, the second bevel gear 1605 is meshed with the first bevel gear 1604, and the other end of the first transmission shaft 1603 is provided with a second gear 1602. The translation frame 1502 is also provided with a transverse motor 16, and the shaft end of the transverse motor 16 is provided with a first gear 1601, and the first gear 1601 is meshed with the second gear 1602.

[0046] The translation frame 1502 is provided with a sliding bushing, in which the first transmission shaft 1603 is sleeved, and the transverse movement motor 16 drives the first screw rod 1513 to rotate by driving the spur gear and the bevel gear.

[0047] In the preferred embodiment, connecting blocks 1512 are provided at both ends of the translation frame 1502, and a rotatable second screw rod 1517 is provided in each first guide groove 1505. A second nut sleeve 1516 is sleeved on the second screw rod 1517, and a lifting block 1515 is sleeved on the outer side of the second nut sleeve 1516. One end of the lifting block 1515 is clamped with the connecting block 1512.

[0048] The second screw rod 1517 is disposed in the first guide groove 1505 of the vertical arm of the U-shaped structure of the frame body frame 1501, so two are provided, one at each end of the translation frame 1502.

[0049] In the preferred embodiment, a rotatable second transmission shaft 1703 is provided on the frame 1501, and third bevel gears 1704 are provided at both ends of the second transmission shaft 1703. The upper end of each second screw rod 1517 passes through the frame 1501 and is sleeved with a fourth bevel gear 1705. The third bevel gear 1704 is meshed with the fourth bevel gear 1705. The middle part of the second transmission shaft 1703 is sleeved with a fourth gear 1702. A lifting motor 17 is also provided on the frame 1501. A third gear 1701 is provided at the shaft end of the lifting motor 17. The third gear 1701 is meshed with the fourth gear 1702.

[0050] The two second screw rods 1517 have opposite pitches, and the lifting motor 17 drives the two second screw rods 1517 to rotate synchronously through the second transmission shaft 1703, so that both ends of the translation frame 1502 are lifted and lowered at the same time, preventing the translation frame 1502 from being stuck due to unilateral driving.

[0051] The water jet pipe frame 15 and the base frame 4 can be quickly disassembled. After the test is completed, the qualified water jet pipe frame 15 is removed and transported to the caisson construction site. The inner wall of the caisson 13 is provided with a sliding guide sleeve, and a rotatable annular rotating frame 14 is sleeved. The water jet pipe frame 15 is installed on the middle connecting frame 18 inside the annular rotating frame 14. The water pump 12 passes the water mixed with the cutting fluid into the high-pressure water jet pipe body 1 through the pipeline, and the air compressor 11 pressurizes the pipeline. The water jet pipe frame 15 reciprocates with the annular rotating frame 14, and the high-pressure liquid cuts the soil layer at the lower edge corner of the caisson 13, assisting the sinking of the caisson 13.

[0052] Embodiment 2: A device for indoor simulated water jet soil cutting test and a method of use thereof include: a high-pressure water jet pipe body, a pipe sleeve bolt, a pipe sleeve, a test base frame, a clamping bolt, a nozzle, a slide groove structure, and a fixing screw.

[0053] The internal structure of the mobile unit of the device is shown in the figure. The high-pressure water jet pipe is fixed by the pipe sleeve bolt, and the tail of the pipe sleeve is connected with a fixed screw, which is fixed in the sliding groove structure of the mobile unit by a nut. At this point, the mobile unit inside the frame is spliced. When testing the punching effect of the nozzle on the soil under different inclination angles and different heights from the ground, the fixed screw can be used to adjust, move and fix. The above purpose can be achieved by using the device in combination.

[0054] The base frame in the overall frame is spliced ​​by clamping bolts. First, the mobile unit is pre-installed in the frame by clamping bolts, and then the base frame is fixed around by clamping bolts. At this point, the entire device is installed. When testing the punching effect of the nozzle on the soil under different spacing conditions, the clamping bolts can be used to adjust the movement and fix the mobile unit. The above purpose can be achieved by using the combined use of the device.

[0055] The order of using the test device is as follows: the device is first assembled according to the test requirements, and then the test personnel hoist the device to the test site by crane, and adjust the nut according to the test requirements to achieve the angle and spacing between the front nozzle of the high-pressure water jet pipe and the soil. Before the test begins, the device needs an external high-pressure water pump to provide a high-pressure water source for the test device. After the test begins, the test personnel record and analyze the data, and then continuously optimize and adjust the nozzle spacing and angle to achieve the optimal punching effect on the soil. Finally, the optimized nozzle combination is assembled to assist the sinking of the caisson.

[0056] After the arrangement spacing and inclination angle of the combined nozzles are tested indoors, the components are assembled on site according to the structural design. First, the high-pressure jet pipe body is assembled according to the height of the caisson wall. The high-pressure pipe body is assembled from multiple sections. After the assembly is in place, a circular I-beam is arranged on the upper part of the wall. A moving device is arranged on the upper part of the I-beam. The moving device is bolted to the high-pressure pipe body, and the moving device can slide in the I-beam using its own pulley, thereby driving the high-pressure pipe body to move along the inner wall of the caisson. An air compressor is arranged outside the caisson, and the air compressor is connected to the high-pressure nozzle through an air pipeline. When the high-pressure water jetting aids the sinking, the ground operator turns on the air compressor, and the ground water is pressurized through the air pipeline and finally ejected through the nozzle to cut the soil. After the soil is cut in place, the caisson sinks by its own weight. Then the surveyor measures the elevation of the well wall. When the height of the caisson on one side is higher, the ground operator moves the device to the side with higher elevation, turns on the air compressor to use the high-pressure nozzle to jet water to assist sinking, and the above process is repeated until the caisson sinks stably in place.

[0057] The soil cutting test device can optimize the design of the combined structure of the sinking nozzle for the caisson. At the same time, the high-pressure water jet nozzle device after debugging can quickly and reasonably cut and destroy the soil under the caisson blade foot under dry excavation and underwater excavation conditions, ultimately ensuring that the caisson can be smoothly sunk. At the same time, the device is easy to operate during installation and testing, occupies a small construction site, and has the advantage of low construction safety risks.

[0058] The device can reasonably set the mobile unit according to the number of test nozzles, and can set the spacing between nozzles by adjusting bolts, so that the experimental data can effectively guide on-site construction.

[0059] The mobile unit of the device can realize the up, down, left, right and rotational movement of the high-pressure water jetting pipe body according to the adjusting bolts, and combined with the front and rear end movement function of the device frame, it can finally realize the all-round setting of the high-pressure water jetting pipe body group to meet the requirements of on-site tests.

[0060] The device can be used to test and optimize the caisson sinking aid device, and can optimize the sinking aid device to a large extent based on the test results and make it more effective in assisting the caisson sinking construction.

[0061] This device is a device for indoor simulated water jet soil cutting test. This device is not only easy to operate and safe to use, but more importantly, it is very convenient to assemble and debug. Therefore, this device has great practical value in testing and optimizing caisson sinking aid devices.

[0062] The above embodiments are only preferred technical solutions of the present invention and should not be regarded as limiting the present invention. The protection scope of the present invention shall be the technical solutions recorded in the claims, including equivalent replacement solutions of the technical features in the technical solutions recorded in the claims. That is, equivalent replacement improvements within this scope are also within the protection scope of the present invention.

Claims

1. A water jet soil cutting simulation test frame device for caisson construction, characterized by: The invention comprises a base frame (4), a plurality of water jet pipe frames (15) are arranged on the base frame (4), a pipe sleeve (3) for sleeve-connecting a high-pressure water jet pipe body (1) is arranged on the water jet pipe frame (15), the pipe sleeve (3) is rotatable, the upper end of the high-pressure water jet pipe body (1) is connected to a high-pressure water inlet, and a nozzle (6) is arranged at the lower end of the high-pressure water jet pipe body (1).

2. The water jet soil cutting simulation test frame device for caisson construction according to claim 1 is characterized in that: The base frame (4) is a cubic structure. Each water jet pipe frame (15) is arranged in the base frame (4). A clamping bolt (5) is provided on the water jet pipe frame (15). A slide groove (7) is provided on the base frame (4). The clamping bolt (5) is clamped in the slide groove (7) and slides.

3. The water jet soil cutting simulation test frame device for caisson construction according to claim 2 is characterized in that: The water jet pipe frame (15) comprises a frame frame (1501) and a translation frame (1502); the frame frame (1501) is provided with a first guide groove (1505); both ends of the translation frame (1502) are arranged to slide in the first guide groove (1505); the translation frame (1502) is provided with a second guide groove (1506); one end of the pipe sleeve (3) is arranged to slide in the second guide groove (1506).

4. The water jet soil cutting simulation test frame device for caisson construction according to claim 3 is characterized by: The frame (1501) is a U-shaped structure with an opening at the lower end. The first guide groove (1505) is arranged in the vertical arm of the U-shaped structure. The nozzle (6) of the high-pressure water jet pipe (1) faces the open end of the frame (1501). The first guide groove (1505) is vertical, and the second guide groove (1506) is horizontal. A movable transverse block (1504) is arranged in the second guide groove (1506). An extension shaft (1507) is arranged on one side of the transverse block (1504). A hinged ear seat (301) is arranged on the outer side of the pipe sleeve (3). The hinged ear seat (301) is hinged to the extension shaft (1507) and the hinge axis is parallel to the length direction of the second guide groove (1506).

5. The water jet soil cutting simulation test frame device for caisson construction according to claim 4 is characterized in that: One end of the extended shaft (1507) is rotatably sleeved with the transverse movement block (1504), an annular groove (1508) is provided on the outer side of the sleeved end of the extended shaft (1507), and the transverse movement block (1504) is provided with a limit pin (1509), and one end of the limit pin (1509) is inserted into the annular groove (1508).

6. The water jet soil cutting simulation test frame device for caisson construction according to claim 5 is characterized by: A toothed edge structure (1510) is provided on the outer side of the extended shaft (1507), and a threaded clamping screw (1511) is provided on the transverse movement block (1504), and the clamping screw (1511) clamps the toothed edge structure (1510).

7. The water jet soil cutting simulation test frame device for caisson construction according to claim 4 is characterized by: A rotatable first screw rod (1513) is provided in the second guide groove (1506), and a first nut sleeve (1514) is provided on the transverse movement block (1504). The first nut sleeve (1514) is threadedly sleeved with the first screw rod (1513), and the outer side of the transverse movement block (1504) is in contact with the inner wall of the second guide groove (1506).

8. The water jet soil cutting simulation test frame device for caisson construction according to claim 7 is characterized in that: The translation frame (1502) is provided with a rotatable first transmission shaft (1603), one end of the first transmission shaft (1603) is arranged in the second guide groove (1506) and is sleeved with a first bevel gear (1604), the first screw rod (1513) is sleeved with a second bevel gear (1605), the second bevel gear (1605) is meshed with the first bevel gear (1604), the other end of the first transmission shaft (1603) is provided with a second gear (1602), the translation frame (1502) is also provided with a transverse motor (16), the shaft end of the transverse motor (16) is provided with a first gear (1601), and the first gear (1601) is meshed with the second gear (1602).

9. The water jet soil cutting simulation test frame device for caisson construction according to claim 4 is characterized by: Connecting blocks (1512) are provided at both ends of the translation frame (1502), and a rotatable second screw rod (1517) is provided in each first guide groove (1505). A second nut sleeve (1516) is sleeved on the second screw rod (1517), and a lifting block (1515) is sleeved on the outer side of the second nut sleeve (1516). One end of the lifting block (1515) is clamped with the connecting block (1512).

10. The water jet soil cutting simulation test frame device for caisson construction according to claim 9 is characterized in that: A rotatable second transmission shaft (1703) is provided on the frame (1501), and third bevel gears (1704) are provided at both ends of the second transmission shaft (1703). The upper end of each second screw rod (1517) passes through the frame (1501) and is sleeved with a fourth bevel gear (1705), and the third bevel gear (1704) is meshed with the fourth bevel gear (1705). A fourth gear (1702) is sleeved on the middle part of the second transmission shaft (1703). A lifting motor (17) is also provided on the frame (1501), and a third gear (1701) is provided at the shaft end of the lifting motor (17), and the third gear (1701) is meshed with the fourth gear (1702).