Diversion tunnel construction supporting device

Abstract

The invention relates to the technical field of tunnel supporting, and particularly discloses a diversion tunnel construction supporting device. Comprising a machine body and a driving mechanism, the driving mechanism comprises a speed changer and an I-shaped sliding block, the speed changer is installed in the middle of the bottom of an inner cavity of the machine body, the I-shaped sliding block is slidably installed on the top of the machine body through a strip-shaped hole, a servo motor is installed on the outer side of the machine body, and a lead screw is rotationally installed in the middle of the inner cavity of the machine body and is in transmission installation with the output end of the servo motor through the speed changer. A connecting block is installed at a threaded groove in the outer wall of the lead screw, the top end of the connecting block and the bottom end of an I-shaped sliding block are fixedly installed, a supporting column is hinged to the top of the I-shaped sliding block, a supporting assembly is installed at the top end of the supporting column, and the driving mechanism is used for adjusting the height of the supporting assembly. After acting force is applied to the supporting assembly through the driving mechanism and the supporting column, the height of the supporting assembly can be adjusted, use is flexible, and adaptability is high.

Description

Technical Field

[0001] The invention relates to the technical field of tunnel support, in particular to a water diversion tunnel construction support device. Background Art

[0002] A diversion tunnel is a hydraulic tunnel that diverts water from a water source. Diversion tunnels have various functions and can connect different river basins or water bodies to achieve long-distance allocation of water resources and solve the problem of uneven distribution of water resources, such as some tunnels in the South-to-North Water Diversion Project. In a hydropower station, a diversion tunnel introduces water from a high altitude into a turbine, uses the energy of the water flow to drive the turbine to rotate, and then drives the generator to generate electricity. A diversion tunnel can bring water from rivers, reservoirs and other water sources into farmland irrigation areas, provide sufficient water for crop growth, and ensure agricultural production. A diversion tunnel can also provide a stable water source for urban residents' lives and industrial production, ensuring the normal operation of the city. The construction of a diversion tunnel is a complex and technically demanding project, and support is required during the construction of the diversion tunnel.

[0003] At present, during the construction of water diversion tunnels, the supporting equipment is inconvenient to adjust, so it is not convenient to adapt to water diversion tunnels of different heights, and there are limitations and it is not flexible enough to use. Summary of the invention

[0004] In order to solve the above technical problems, the present invention provides a water diversion tunnel construction support device, which is implemented through the following technical solutions: A water diversion tunnel construction support device, comprising a body and a driving mechanism, wherein a strip hole is provided at the edge of the top of the body, and the driving mechanism is installed in the middle of the body; The driving mechanism includes a transmission and an I-shaped slider, the transmission is installed in the middle of the bottom of the body cavity, the I-shaped slider is slidably installed between the top of the body through the strip hole, a servo motor is installed outside the body and close to the transmission, a screw rod is rotatably installed in the middle of the body cavity, the screw rod and the output end of the servo motor are installed through the transmission transmission, a connecting block is installed at the threaded groove of the outer wall of the screw rod, the top of the connecting block is fixedly installed between the bottom end of the I-shaped slider, the top of the I-shaped slider is hinged with a support column, the top of the support column is installed with a support assembly, and the driving mechanism is used to adjust the height of the support assembly; The support assembly includes a base and a support plate. The bottom of the base is fixedly installed at the edge of the top of the body. A reinforcing rib is fixedly installed on the arc-shaped concave surface on the inner side of the support plate. The bottom of the reinforcing rib is hinged to the top of the support column. A card slot is opened at the top of the base and close to the bottom end of the support plate, and a pad strip is fixedly installed on the arc-shaped surface on the outer side of the support plate.

[0005] Preferably, the thread grooves on both sides of the outer wall of the screw rod are in opposite directions, the support column is installed at an angle, and the concave surface on the inner side of the I-shaped sliding block fits with the inner side surface of the strip hole.

[0006] Preferably, there are four bases, and the four bases are evenly installed on the top of the body, the shape of the slot matches the shape of the bottom end of the support plate, and the shape of the cushion strip is arc-shaped.

[0007] Preferably, moving mechanisms are installed on both sides of the bottom of the machine body, and the moving mechanisms include a gantry. The gantry is fixed to the bottom of the machine body by screws, and the gantry is installed directly below the base. U-shaped frames are fixedly installed on the bottom ends of both sides of the gantry, and the opening of the U-shaped frame faces downward. Wheels are rotatably installed in the middle of the inner side of the U-shaped frame, and a number of semicircular grooves are opened in the middle of the outer cylindrical surface of the wheel. A self-locking module is installed on the top of the inner side of the gantry.

[0008] Preferably, a plurality of the semicircular grooves are evenly arranged in the middle of the outer circumferential surface of the wheel.

[0009] Preferably, the self-locking module includes a connecting bracket and a pushing rod, the top of the connecting bracket is fixedly installed on the top of the inner side surface of the gantry, the middle of the pushing rod is provided with a straight hole, the pushing rod is slidably installed on the bottom of the connecting bracket through the straight hole, a semicircular elastic strip is fixedly installed on the top of the pushing rod, a polygonal block is fixedly installed in the middle of the top of the inner side surface of the semicircular elastic strip, a brake pad is fixedly installed on the bottom end of the pushing rod, and a semicircular protruding block is fixedly installed on the side of the brake pad away from the pushing rod, and the shape of the semicircular protruding block matches the shape of the semicircular groove.

[0010] Preferably, the push rod is installed at an angle, the number of the push rod is two, and the two push rods are installed symmetrically along the polygonal block.

[0011] Preferably, a positioning component is installed on the inner side surface of the reinforcing rib and close to the support plate, the positioning component includes a circular hole and a square plate, the circular hole is opened at the arc surface on the outer side of the support plate, the square plate is fixedly installed between the reinforcing rib and the arc concave surface on the inner side of the support plate, an elliptical elastic ring is fixedly installed on the outer side of the square plate and close to the circular hole, a sharp end needle is fixedly installed on the top end of the elliptical elastic ring, and the sharp end needle passes through the middle of the circular hole.

[0012] Preferably, there are three circular holes, and the three circular holes are evenly distributed on the arc surface outside the support plate.

[0013] The present invention provides a water diversion tunnel construction support device, which has the following beneficial effects: 1. The water diversion tunnel construction support device utilizes the rotation of the output end of the servo motor and the power transmission of the transmission to drive the screw rod to rotate, and combines the threaded installation between the connecting block and the screw rod to drive the I-shaped slider to slide. At this time, the symmetrical I-shaped sliders on both sides move outward, and the support column applies an upward jacking force to the support assembly as a whole, so that the support assembly moves upward, and the height of the support assembly as a whole is adjusted, which is convenient for adapting to water diversion tunnels of different heights, making the device more flexible to use and highly adaptable.

[0014] 2. The water diversion tunnel construction support device, as the height of the support assembly rises, makes the cushion strip fit with the inner side of the water diversion tunnel, and under the upward pressure of the support plate, the cushion strip is pressed and deformed, so that the support plate can adapt to the uneven surface of the inner side of the water diversion tunnel, thereby improving the support effect of the support plate.

[0015] 3. The water diversion tunnel construction support device, when controlling the support assembly to move downward and reset, embeds the bottom end of the support plate into the interior of the card slot to limit the support plate, thereby making the support plate stable.

[0016] 4. The water diversion tunnel construction support device, under the support connection of the gantry and the U-shaped frame, uses the wheels to contact the ground to support the entire equipment. After the staff applies a driving force to the entire body, the rolling action of the wheels facilitates the movement of the entire equipment, and then facilitates the movement of the support components to the location of the water diversion tunnel construction.

[0017] 5. The support device for water diversion tunnel construction applies pressing force to one end of the push rod close to the polygonal block, and under the connection of the connecting bracket, the push rod drives the brake pad to rotate and adjust the angle. The semicircular elastic strip is elastically deformed by the tensile force, and the two symmetrical push rods are pushed to both sides through the polygonal block, so that the arc-shaped concave surface of the brake pad is tightly attached to the outside of the wheel, and the semicircular raised block is embedded in the inside of the semicircular groove to achieve braking of the wheel, thereby realizing self-locking of the equipment, which is not easy to loosen, thereby making the equipment more stable as a whole.

[0018] 6. The water diversion tunnel construction support device reverses the servo motor and rotates the screw in the opposite direction, so that the I-shaped slider applies a pulling force to the support column, and the support assembly can be adjusted downward as a whole. After applying an upward pushing force to the polygonal block and the top pressure rod, the brake pad is separated from the wheel, and the semicircular protrusion block is removed from the inside of the semicircular groove to achieve self-locking release. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of the present invention at a viewing angle; Figure 2 It is a schematic diagram of the structure of the present invention from another perspective; Figure 3 It is a schematic diagram of the connection structure between the driving mechanism and the body in the present invention; Figure 4 It is a schematic diagram of the connection structure between the support assembly and the body and the support column in the present invention; Figure 5 It is a structural schematic diagram of the support assembly in the present invention; Figure 6 It is a schematic diagram of the connection structure between the moving mechanism and the body in the present invention; Figure 7 It is a structural schematic diagram of the self-locking module in the present invention; Figure 8 It is a schematic diagram of the structure of the positioning component in the present invention.

[0020] In the figure: 1. body; 2. strip hole; 3. driving mechanism; 4. moving mechanism; 5. positioning assembly; 31. transmission; 32. I-shaped slider; 33. servo motor; 34. screw rod; 35. connecting block; 36. support column; 37. supporting assembly; 371. base; 372. support plate; 373. reinforcing rib; 374. slot; 375. pad; 41. gantry; 42. U-shaped frame; 43. wheel; 44. semicircular groove; 45. self-locking module; 451. connecting bracket; 452. top pressure rod; 453. I-shaped hole; 454. semicircular elastic strip; 455. polygonal block; 456. brake pad; 457. semicircular raised block; 51. circular hole; 52. square plate; 53. elliptical elastic ring; 54. pointed needle. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. 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 creative work are within the scope of protection of the present invention.

[0022] See also Figure 1-Figure 8 The embodiment of the present invention provides a water diversion tunnel construction support device, including a body 1 and a driving mechanism 3, four strip holes 2 are opened at the edge of the top of the body 1, and the driving mechanism 3 is installed in the middle of the body 1; The driving mechanism 3 includes a transmission 31 and four I-shaped sliders 32. The transmission 31 is installed in the middle of the bottom of the inner cavity of the body 1. The I-shaped slider 32 is slidably installed between the strip hole 2 and the top of the body 1. A servo motor 33 is installed on the outside of the body 1 and close to the transmission 31. A screw rod 34 is rotatably installed in the middle of the inner cavity of the body 1. The screw rod 34 and the output end of the servo motor 33 are installed through the transmission 31. A connecting block 35 is installed at the threaded groove of the outer wall of the screw rod 34. The top two sides of the connecting block 35 are respectively fixedly installed between the bottom ends of two adjacent I-shaped sliders 32. The I-shaped slider 33 is installed on the outer side of the body 1 and close to the transmission 31. 2 is hinged with a support column 36, and a support assembly 37 is installed on the top of the support column 36; the servo motor 33 is turned on, and the screw rod 34 is driven to rotate by the rotation of the output end of the servo motor 33 and the power transmission of the transmission 31, and the threaded installation between the connecting block 35 and the screw rod 34 is combined to make the connecting block 35 drive the I-shaped slider 32 to slide in the strip hole 2. At this time, the I-shaped sliders 32 symmetrical on both sides move outward, and the support column 36 can be used to apply an upward push force to the support assembly 37 as a whole, so that the support assembly 37 moves upward, thereby realizing the adjustment of the overall height of the support assembly 37; Specifically, the thread grooves on both sides of the outer wall of the screw rod 34 are in opposite directions, the support column 36 is installed at an angle, and the concave surface on the inner side of the I-shaped sliding block 32 fits with the inner side surface of the strip hole 2.

[0023] The support assembly 37 includes four bases 371 and four support plates 372. The bottom of the base 371 is fixedly installed at the edge position of the top of the body 1. A reinforcing rib 373 is fixedly installed at the arc-shaped concave surface on the inner side of the support plate 372. The bottom of the reinforcing rib 373 is hinged to the top of the support column 36. The top of the reinforcing rib 373 is fixedly connected to the support plate 372. A card slot 374 is provided at the top of the base 371 and close to the bottom end of the support plate 372. A pad 375 is fixedly installed at the arc-shaped surface on the outer side of the support plate 372. As the height of the support assembly 37 rises, the pad 375 fits with the inner side of the water diversion tunnel, and under the upward pressure of the support plate 372, the pad 375 is pressed and deformed, so that the support plate 372 can adapt to the uneven surface of the inner side of the water diversion tunnel, support the inner side of the water diversion tunnel, and improve the supporting effect of the support plate 372. The shape of the support plate 372 matches the shape of the water diversion tunnel, so that the support plate 372 can fit the inner side of the water diversion tunnel.

[0024] Four bases 371 are evenly installed on the top of the body 1, the shape of the slot 374 matches the shape of the bottom end of the support plate 372, and the shape of the pad 375 is arc-shaped; when there is no need to support the water diversion tunnel, the support assembly 37 is controlled to move downward, and the bottom end of the support plate 372 is installed on the base 371, so that the bottom end of the support plate 372 is embedded in the inside of the slot 374, so as to limit the support plate 372 and make the support plate 372 stable.

[0025] See also Figure 1-Figure 8 , both sides of the bottom of the machine body 1 are installed with a moving mechanism 4, and the moving mechanism 4 includes a gantry 41, which is fixedly installed with the bottom of the machine body 1 by screws, and the gantry 41 is installed directly below the base 371, and the bottom ends of both sides of the gantry 41 are fixedly installed with a U-shaped frame 42, the opening of the U-shaped frame 42 is downward, and a wheel 43 is rotatably installed in the middle of the inner side of the U-shaped frame 42, and a plurality of semicircular grooves 44 are opened in the middle of the outer cylindrical surface of the wheel 43, and a self-locking module 45 is installed on the top of the inner side of the gantry 41; under the support connection of the gantry 41 and the U-shaped frame 42, the wheel 43 is used to contact the ground, so as to support the equipment as a whole, and the staff applies a driving force to the machine body 1 as a whole, and under the rolling of the wheel 43, it is convenient to move the equipment as a whole, so that the support assembly 37 is moved to the position of the water diversion tunnel construction.

[0026] Specifically, there are four wheels 43 , and the four wheels 43 are evenly installed at the bottom of the body 1 , and a plurality of semicircular grooves 44 are evenly opened in the middle of the outer circumference of the wheel 43 .

[0027] The self-locking module 45 includes two connecting brackets 451 and two push rods 452. The top of the connecting bracket 451 is fixedly installed with the top of the inner side of the gantry 41. The middle of the push rod 452 is provided with a straight hole 453. The push rod 452 is slidably installed with the bottom of the connecting bracket 451 through the straight hole 453. The top of the two push rods 452 is fixedly installed with a semicircular elastic strip 454. The middle of the top of the inner side of the semicircular elastic strip 454 is fixedly installed with a polygonal block 455. The bottom end of the push rod 452 is fixedly installed with a brake pad 456. The side of the brake pad 456 away from the push rod 452 is fixedly installed with a semicircular protrusion block 457. The shape of the semicircular protrusion block 457 matches the shape of the semicircular groove 44. When the equipment as a whole moves to the designated position of the water diversion tunnel, it can stop moving. At this time, pressing force is applied to the end of the push rod 452 close to the polygonal block 455, and under the connection of the connecting bracket 451, the push rod 452 drives the brake pad 456 to rotate and adjust the angle. The semicircular elastic strip 454 is elastically deformed by the tension, and the polygonal block 455 is between two symmetrical push rods 452. The two symmetrical push rods 452 are pushed to both sides by the polygonal block 455, so that the arc-shaped concave surface of the brake pad 456 can be tightly attached to the outer side of the wheel 43, and the semicircular protrusion block 457 is embedded in the interior of the semicircular groove 44, thereby realizing the braking of the wheel 43, and it is not easy to loosen, so that the equipment as a whole is more stable.

[0028] Specifically, the pressing rod 452 is installed at an angle, and the two pressing rods 452 are installed symmetrically along the polygonal block 455 .

[0029] See also Figure 1-Figure 8 A positioning assembly 5 is installed on the inner side of the reinforcing rib 373 and near the support plate 372. The positioning assembly 5 includes a circular hole 51 and a square plate 52. The circular hole 51 is opened at the arc surface of the outer side of the support plate 372. The square plate 52 is fixedly installed between the reinforcing rib 373 and the arc concave surface of the inner side of the support plate 372. An elliptical elastic ring 53 is fixedly installed on the outer side of the square plate 52 and near the circular hole 51. A sharp-pointed needle 54 is fixedly installed on the top of the elliptical elastic ring 53. The sharp-pointed needle 54 passes through the middle of the circular hole 51. The support plate 372 moves upward, so that the positioning assembly 5 is driven to move upward as a whole, and the tip of the pointed needle 54 faces upward, and the tip of the pointed needle 54 pierces the inner side of the water diversion tunnel, so that the pointed needle 54 slides in the circular hole 51 under the reaction force, and the elliptical elastic ring 53 is compressed. The action force and the reaction force are used to make the tip of the pointed needle 54 fit closely with the inner side of the water diversion tunnel, so as to realize the positioning of the support plate 372, so that the support plate 372 is not prone to tilt, and the support for the inner side of the water diversion tunnel is further promoted.

[0030] Specifically, there are three circular holes 51 , and the three circular holes 51 are evenly distributed on the arc surface outside the support plate 372 .

[0031] A construction method of a water diversion tunnel construction support device in the above embodiment comprises the following steps: Step 1: Under the support connection of the gantry 41 and the U-shaped frame 42, the wheels 43 are in contact with the ground to support the entire device. The staff applies a driving force to the entire body 1, and the entire device is moved under the rolling of the wheels 43, so that the support assembly 37 moves to the position of the water diversion tunnel construction; Step 2: When the equipment as a whole moves to the designated position of the water diversion tunnel, it stops moving, and applies pressing force to one end of the push rod 452 close to the polygonal block 455. Under the connection of the connecting bracket 451, the push rod 452 drives the brake pad 456 to rotate and adjust the angle. The semicircular elastic strip 454 is elastically deformed by the tension, and the polygonal block 455 is between the two symmetrical push rods 452. The two symmetrical push rods 452 are pushed to both sides by the polygonal block 455, so that the arc-shaped concave surface of the brake pad 456 is closely attached to the outer side of the wheel 43, and the semicircular protrusion block 457 is embedded in the inside of the semicircular groove 44, so as to brake the wheel 43, thereby realizing self-locking and not easy to loosen, so that the equipment as a whole is more stable; Step 3: Turn on the servo motor 33, and use the rotation of the output end of the servo motor 33 and the power transmission of the transmission 31 to drive the screw rod 34 to rotate, and combine the threaded installation between the connecting block 35 and the screw rod 34 to make the connecting block 35 drive the I-shaped slider 32 to slide. At this time, the I-shaped sliders 32 symmetrical on both sides move outward, and the support column 36 applies an upward push force to the support assembly 37 as a whole, so that the support assembly 37 moves upward, and the overall height of the support assembly 37 is adjusted; Step 4: As the support assembly 37 rises in height, the cushion strip 375 fits the inner side of the water diversion tunnel, and under the upward pressure of the support plate 372, the cushion strip 375 is pressed and deformed, so that the support plate 372 can adapt to the uneven surface of the inner side of the water diversion tunnel, thereby improving the support effect of the support plate 372 and achieving support for the inner side of the water diversion tunnel; Step 5: The support plate 372 moves upward, so that the positioning assembly 5 is driven to move upward as a whole, and the tip of the tip needle 54 is inserted into the inner side of the water diversion tunnel. The tip needle 54 slides in the circular hole 51 under the reaction force, and the elliptical elastic ring 53 is compressed. By using the action force and the reaction force, the tip of the tip needle 54 is closely fitted with the inner side of the water diversion tunnel, so that the support plate 372 is positioned, and it is not easy to be skewed, which further promotes the support of the inner side of the water diversion tunnel. Step 6: After the inner side of the water diversion tunnel is supported, the servo motor 33 is controlled to reverse, and the screw rod 34 is rotated in the opposite direction, so that the I-shaped slider 32 applies a pulling force to the support column 36 to adjust the support assembly 37 as a whole downward, and an upward pushing force is applied to the polygonal block 455 and the push rod 452 to separate the brake pad 456 from the wheel 43, and the semicircular protrusion block 457 is removed from the inside of the semicircular groove 44, so that the self-locking is released, and the rolling of the wheel 43 is used again to move the equipment as a whole out of the water diversion tunnel.

[0032] Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field and related fields without creative work should fall within the scope of protection of the present invention. The structures, devices and operating methods not specifically described and explained in the present invention are implemented according to the conventional means in the field unless otherwise specified and limited.

Claims

1. A water diversion tunnel construction support device, characterized in that: It comprises a machine body (1) and a driving mechanism (3), wherein a strip-shaped hole (2) is provided at an edge position of the top of the machine body (1), and the driving mechanism (3) is installed in the middle of the machine body (1); The driving mechanism (3) comprises a transmission (31) and an I-shaped slider (32), wherein the transmission (31) is mounted in the middle of the bottom of the inner cavity of the machine body (1), and the I-shaped slider (32) is slidably mounted between the top of the machine body (1) through the strip hole (2). A servo motor (33) is mounted outside the machine body (1) and close to the transmission (31). A screw rod (34) is rotatably mounted in the middle of the inner cavity of the machine body (1), and the screw rod (34) and the output end of the servo motor (33) are transmission-mounted via the transmission (31). A connecting block (35) is mounted at the thread groove on the outer wall of the screw rod (34), and the top end of the connecting block (35) is fixedly mounted between the bottom end of the I-shaped slider (32). A supporting column (36) is hingedly connected to the top of the I-shaped slider (32), and a supporting assembly (37) is mounted at the top end of the supporting column (36). The driving mechanism (3) is used to adjust the height of the supporting assembly (37). The support assembly (37) comprises a base (371) and a support plate (372); the bottom of the base (371) is fixedly mounted to the edge of the top of the machine body (1); a reinforcing rib (373) is fixedly mounted on the arc-shaped concave surface inside the support plate (372); the bottom of the reinforcing rib (373) is hinged to the top of the support column (36); a slot (374) is provided at the top of the base (371) and close to the bottom of the support plate (372); and a cushion strip (375) is fixedly mounted on the arc-shaped surface outside the support plate (372).

2. A water diversion tunnel construction support device according to claim 1, characterized in that: The thread grooves on both sides of the outer wall of the screw rod (34) are in opposite directions, the support column (36) is installed at an angle, and the concave surface on the inner side of the I-shaped sliding block (32) fits against the inner side surface of the strip hole (2).

3. A water diversion tunnel construction support device according to claim 1, characterized in that: There are four bases (371), and the four bases (371) are evenly mounted on the top of the machine body (1); the shape of the card slot (374) matches the shape of the bottom end of the support plate (372); and the shape of the cushion strip (375) is arc-shaped.

4. A water diversion tunnel construction support device according to claim 1, characterized in that: A moving mechanism (4) is installed on both sides of the bottom of the machine body (1), and the moving mechanism (4) comprises a gantry (41). The gantry (41) is fixedly installed on the bottom of the machine body (1) by means of screws. The gantry (41) is installed directly below the base (371). U-shaped frames (42) are fixedly installed on the bottom ends of both sides of the gantry (41), and the opening of the U-shaped frame (42) faces downward. A wheel (43) is rotatably installed in the middle of the inner side of the U-shaped frame (42), and a plurality of semicircular grooves (44) are provided in the middle of the outer circumferential surface of the wheel (43). A self-locking module (45) is installed on the top of the inner side surface of the gantry (41).

5. A water diversion tunnel construction support device according to claim 4, characterized in that: A plurality of semicircular grooves (44) are evenly arranged in the middle of the outer circumferential surface of the wheel (43).

6. A water diversion tunnel construction support device according to claim 4, characterized in that: The self-locking module (45) comprises a connecting bracket (451) and a push rod (452), the top end of the connecting bracket (451) is fixedly mounted on the top of the inner side surface of the gantry (41), a straight hole (453) is provided in the middle of the push rod (452), the push rod (452) is slidably mounted on the bottom of the connecting bracket (451) through the straight hole (453), a semicircular elastic strip (454) is fixedly mounted on the top end of the push rod (452), a polygonal block (455) is fixedly mounted in the middle of the top of the inner side surface of the semicircular elastic strip (454), a brake pad (456) is fixedly mounted on the bottom end of the push rod (452), and a semicircular protruding block (457) is fixedly mounted on the side of the brake pad (456) away from the push rod (452), and the shape of the semicircular protruding block (457) matches the shape of the semicircular groove (44).

7. A water diversion tunnel construction support device according to claim 6, characterized in that: The push rod (452) is installed at an angle, there are two push rods (452), and the two push rods (452) are installed symmetrically along the polygonal block (455).

8. A water diversion tunnel construction support device according to claim 1, characterized in that: A positioning assembly (5) is installed on the inner side surface of the reinforcing rib (373) and close to the support plate (372). The positioning assembly (5) comprises a circular hole (51) and a square plate (52). The circular hole (51) is formed on the arc surface of the outer side of the support plate (372). The square plate (52) is fixedly installed between the reinforcing rib (373) and the arc concave surface of the inner side of the support plate (372). An elliptical elastic ring (53) is fixedly installed on the outer side of the square plate (52) and close to the circular hole (51). A sharp-pointed needle (54) is fixedly installed on the top end of the elliptical elastic ring (53). The sharp-pointed needle (54) passes through the middle of the circular hole (51).

9. A water diversion tunnel construction support device according to claim 8, characterized in that: There are three circular holes (51), and the three circular holes (51) are evenly distributed on the arc surface outside the support plate (372).

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