High-efficiency construction slip form for ultra-deep shaft and construction method

Abstract

The present invention discloses a slip form for high-efficiency construction of ultra-deep vertical shafts, which includes a formwork body, a bearing platform and a moving platform. The formwork body is provided with a slot. A hydraulic cylinder is arranged between the moving platform and the bearing platform. A first limiting device is arranged on the bearing platform. The first limiting device includes a first plug and a first spring. The first plug and the first spring are arranged inside the bearing platform. The first plug is provided with a first inclined surface. A second limiting device is arranged on the moving platform. The second limiting device includes a second plug and a second spring. The second plug and the second spring are arranged inside the moving platform. The second plug is provided with a second inclined surface. When pouring concrete on the side wall of the vertical shaft, the bearing platform and the moving platform are installed on adjacent formwork bodies. The first inclined surface and the second inclined surface are respectively in contact with the two slots. The hydraulic cylinder extends to raise the bearing platform, and the hydraulic cylinder contracts to raise the moving platform, which facilitates the staff to pour concrete.

Description

Technical Field

[0001] This application relates to the technical field of shaft slip forms, and particularly relates to a high-efficiency construction slip form and construction method for ultra-deep shafts. Background Technique

[0002] During construction, the shaft serves as a transportation passage for the excavation of the underground tunnel. After the completion of the underground tunnel excavation, it generally becomes a part of the station ventilation pavilion and becomes a permanent project. After the shaft excavation is completed, a concrete layer needs to be poured on the shaft wall to improve the stability of the shaft.

[0003] Currently, for pouring the concrete layer on the shaft wall, a gantry crane is generally used. The construction platform is hoisted by the gantry crane, so that the construction platform can be lifted and lowered along the depth direction of the shaft. Then, a feeding platform is installed at the top of the shaft, and a concrete pipe and a speed reducer are installed between the feeding platform and the construction platform. Workers install steel bars and formwork on the shaft wall, and the workers use the concrete pipe to pour concrete between the shaft wall and the formwork.

[0004] In view of the above-related technologies, the inventor found the following defects: In some ultra-deep shafts, such as those with a depth exceeding 100 meters, which exceed the lifting stroke of the gantry crane, it is impossible for workers to use the gantry crane to hoist the construction platform, making it inconvenient for workers to pour concrete on the shaft wall of the ultra-deep shaft. Summary of the Invention

[0005] In order to facilitate workers to pour concrete on the shaft wall of the ultra-deep shaft, this application provides a high-efficiency construction slip form and construction method for ultra-deep shafts.

[0006] The high-efficiency construction slip form and construction method for ultra-deep shafts provided by this application adopt the following technical solutions:

[0007] A high-efficiency construction slip form for ultra-deep shafts includes a formwork body, a bearing platform, and a moving platform. A plurality of the formwork bodies are arranged along the depth direction of the shaft, and the adjacent formwork bodies are detachably connected. The bearing platform is located above the moving platform, and the bearing platform and the moving platform slide along the depth direction of the shaft. Slots are formed on the side wall of the formwork body, and a hydraulic cylinder is fixedly arranged between the moving platform and the bearing platform.

[0008] A first limiting device for restricting the sliding of the bearing platform is arranged on the bearing platform. The first limiting device includes a first insertion block and a first spring. A first sliding groove is formed on the side wall of the bearing platform, the first insertion block is slidably connected in the first sliding groove, the first spring is arranged between the bottom wall of the first sliding groove and the first insertion block, and a first inclined surface is arranged at one end of the first insertion block away from the bottom wall of the first sliding groove and away from the edge of the moving platform. The first insertion block can be clamped with the slot.

[0009] A second limiting device for restricting the sliding of the mobile platform is provided on the mobile platform. The second limiting device includes a second plug and a second spring. A second sliding groove is formed on the side wall of the mobile platform. The second plug is slidably connected in the second sliding groove. The second spring is arranged between the bottom wall of the second sliding groove and the second plug. One end of the second plug away from the bottom wall of the second sliding groove is provided with a second inclined surface near the edge of the bearing platform. The second plug is clamped with the slot.

[0010] By adopting the above technical solution, when pouring concrete on the side wall of the shaft, the bearing platform and the mobile platform are installed on two adjacent formwork bodies. Then, a new formwork body is installed on the uppermost formwork body, and the first plug is clamped with the slot of the upper formwork body, so that the top of the first inclined surface of the first plug contacts the side wall of the top of the slot, and the top of the second inclined surface of the second plug contacts the side wall of the top of the second slot. Then, the hydraulic cylinder is started, and the hydraulic cylinder extends, driving the first inclined surface to abut against the side wall of the top of the slot. Then, the first plug is moved in the direction close to the bottom wall of the first sliding groove, so that the bearing platform moves away from the mobile platform, and the first plug is clamped with the new formwork body. Then, the hydraulic cylinder is started to shorten the hydraulic cylinder, thereby driving the second plug to separate from the second slot, and the mobile platform moves in the direction close to the bearing platform, and the second plug is clamped with the slot that has just separated from the first plug. The staff uses a concrete pipe on the bearing platform to pour concrete between the formwork body and the side wall of the shaft. Repeating the above steps can respectively drive the bearing platform and the mobile platform to rise along the depth direction of the shaft, effectively avoiding the use of a gantry crane and facilitating the staff to pour concrete for the shaft wall of the ultra-deep shaft.

[0011] Optionally, a sliding device is provided on the top of the mobile platform. The sliding device includes a support seat, a cam and a driving source. The cam is rotatably arranged on the support seat. The driving source is used to drive the cam to rotate. The surface of the cam can contact the bottom of the bearing platform.

[0012] By adopting the above technical solution, the outer surface of the cam can contact the bottom of the bearing platform. The cam is driven to rotate by the driving source. When the large end of the cam contacts the bearing platform, the first plug is clamped with the slot. When the small end of the cam contacts the bearing platform, the second plug is clamped with the slot, providing auxiliary support for the bearing platform and stabilizing the lifting of the bearing platform.

[0013] Optionally, a first communication hole communicating with the first sliding groove is formed in the bottom of the bearing platform. A first abutting block is slidably connected in the first communication hole. A third inclined surface is arranged at one end of the first insertion block close to the bottom wall of the first sliding groove and close to the bottom of the bearing platform. A first abutting surface is formed in the first abutting block. The first abutting surface abuts against the third inclined surface. A first connecting rod is hinged between the large end of the cam and the first abutting block.

[0014] By adopting the above technical solution, when the cam rotates, it drives the first abutting block to slide through the first connecting rod. When the large end of the cam contacts the bottom of the bearing platform, the first abutting block abuts against the bottom wall of the first sliding groove, and the first insertion block moves to the farthest end away from the bottom wall of the first sliding groove and is clamped with the slot. The first inclined surface is completely located in the slot, so that the first insertion block is firmly clamped with the slot.

[0015] Optionally, a second communication hole communicating with the second sliding groove is formed in the top of the moving platform. A second abutting block is slidably connected in the second communication hole. A second abutting surface is arranged on the second abutting block. A fourth inclined surface is arranged on the second insertion block. The second abutting surface abuts against the fourth inclined surface. A second connecting rod is hinged between the small end of the cam and the second abutting block. The second connecting rod and the first connecting rod are respectively arranged on the side walls on both sides of the cam.

[0016] By adopting the above technical solution, during the rotation of the cam, the first connecting rod and the second connecting rod are driven to rotate at the same time. During the contact between the small end of the cam and the bearing platform, the first connecting rod drives the first abutting block to move away from the first communication hole, and the second connecting rod drives the second abutting block to move away from the second communication hole, so that the first inclined surface of the first insertion block and the second inclined surface of the second insertion block are respectively in contact with the top side wall of the slot and the top side wall of the second slot, and it is convenient for the cam to drive the first insertion block and the second insertion block to move at the same time.

[0017] Optionally, support seats are arranged on both sides of the cam. A rotation hole is formed in the side wall of the support seat. A moving groove is formed in the bottom wall of the rotation hole. A moving block is slidably connected in the moving groove along the depth direction of the moving groove. A guiding surface is formed in the side wall of the moving block. A third spring for driving the moving block to move away from the bottom wall of the moving groove is arranged in the moving groove. A rotation groove is formed in the top of the rotation hole. The moving block is clamped with the rotation groove. The first connecting rod is in contact with the guiding surface of the moving block of one support seat, and the second connecting rod is in contact with the guiding surface of the moving block of the other support seat.

[0018] By adopting the above technical solution, when the movable end of the first connecting rod or the second connecting rod moves towards the support base, the first connecting rod or the second connecting rod contacts the guiding surface of the moving block and drives the moving block to move towards the bottom wall of the moving groove, so that the first connecting rod or the second connecting rod passes through the support base, and it is convenient for the cam to drive the first connecting rod and the second connecting rod to rotate.

[0019] Optionally, the first plug block is telescopic along the length direction of the first plug block, and a fifth spring for driving the first plug block to extend is arranged in the first plug block.

[0020] By adopting the above technical solution, when the bearing platform rises, the first inclined surface of the first plug block abuts against the side wall of the template body. When the first plug block is aligned with the slot, the fifth spring drives the first plug block to extend, so that the first inclined surface of the first plug block enters the slot, improving the stability of the connection between the first plug block and the slot.

[0021] Optionally, the second plug block is telescopic along the length direction of the second plug block, and a sixth spring for driving the second plug block to extend is arranged in the second plug block.

[0022] By adopting the above technical solution, when the moving platform rises, the second inclined surface of the second plug block abuts against the side wall of the template body. After the second plug block is aligned with the second slot, the second plug block is connected with the second slot under the drive of the sixth spring, improving the stability of the connection between the second plug block and the second slot.

[0023] Optionally, a connecting plate is arranged at the bottom of the moving platform, and rollers are arranged at both ends of the connecting plate, and the rollers are in contact with the side wall of the template body.

[0024] By adopting the above technical solution, the rollers on both sides of the connecting plate are in contact with the template body, playing a guiding role in the rising of the moving platform and at the same time playing an additional auxiliary supporting effect on the template body.

[0025] Optionally, a bidirectional screw is rotatably arranged at the bottom of the connecting plate, threaded sleeves are threadedly connected to both ends of the bidirectional screw, suction cups are arranged on the threaded sleeves, the suction cups can adsorb on the side wall of the template body, fixing grooves are formed at the tops of the threaded sleeves, the connecting plate is slidably connected in the fixing grooves along the length direction of the bidirectional screw, and a driving member for driving the bidirectional screw to rotate is arranged in the moving platform.

[0026] By adopting the above technical solution, when the staff is pouring concrete, the driving member is started to make the two threaded sleeves move away from each other, so that the suction cups adsorb on the side wall of the template body, improving the stability of the connection between the moving platform and the template body.

[0027] A high-efficiency construction slip form construction method for ultra-deep shafts, comprising the following steps:

[0028] S1: Workers first install two formwork bodies along the depth direction of the shaft, and fixedly install the lowermost formwork body on the bottom wall of the shaft. Then, concrete is poured between the installed formwork body and the side wall of the shaft.

[0029] S2: Install the bearing platform on the upper formwork body and install the lifting platform on the lower formwork body. The small end of the cam contacts the bottom of the support platform.

[0030] S3: Continuously install a new formwork body on the top of the uppermost formwork body. Then, start the drive source and the hydraulic cylinder. The hydraulic cylinder extends, the large end of the cam rotates towards the support platform, and the bearing platform moves away from the moving platform, so that the first insert block is clamped with the slot of the new formwork body.

[0031] S4: Start the drive source to make the small end of the cam contact the bottom of the bearing platform. Then, start the hydraulic cylinder to contract the hydraulic cylinder, and the moving platform moves towards the bearing platform, so that the second insert block is clamped with the slot of the formwork body adjacent to the lower part of the new formwork body.

[0032] S5: Pour concrete between the new formwork body and the shaft wall of the shaft wall.

[0033] S6: Repeat the steps of S3 - S5.

[0034] In summary, the present application includes at least one of the following beneficial technical effects:

[0035] By the extension and contraction of the hydraulic cylinder, the bearing platform and the moving platform are respectively driven to rise in sequence, effectively avoiding the use of gantry cranes and facilitating the workers to pour concrete for the shaft wall of the ultra-deep shaft.

[0036] The rotation of the cam drives the first abutting block to slide through the first connecting rod. When the large end of the cam contacts the bottom of the bearing platform, the first abutting block abuts against the bottom wall of the first sliding groove, and the first insert block moves away from the bottom wall of the first sliding groove to the farthest end and is clamped with the slot. The first inclined surface is completely located in the slot, making the connection between the first insert block and the slot firm.

[0037] When the workers are pouring concrete, start the driving member to move the two threaded sleeves away from each other, so that the suction cups adsorb on the side wall of the formwork body, improving the connection stability between the moving platform and the formwork body. Description of the Drawings

[0038] Figure 1 It is a schematic diagram of the overall structure of the high-efficiency construction slip form of the ultra-deep shaft in the embodiment of the present application.

[0039] Figure 2 It is a partial cross-sectional view of the bearing platform in the embodiment of the present application.

[0040] Figure 3 It is a partial cross-sectional view of the first insertion block in the embodiment of the present application.

[0041] Figure 4 It is a partial cross-sectional view of the moving platform in the embodiment of the present application.

[0042] Figure 5 It is a partial cross-sectional view of the second insertion block in the embodiment of the present application.

[0043] Figure 6 It is a partial cross-sectional view of the support base in the embodiment of the present application.

[0044] Explanation of reference numerals: 1, template body; 2, bearing platform; 3, moving platform; 4, slot; 5, hydraulic cylinder; 6, first limiting device; 61, first insertion block; 62, first spring; 7, first sliding groove; 8, first inclined surface; 9, second limiting device; 91, second insertion block; 92, second spring; 10, second sliding groove; 11, second inclined surface; 12, sliding device; 121, support base; 122, cam; 123, driving source; 13, first communication hole; 14, first abutting block; 15, third inclined surface; 16, first connecting rod; 17, second communication hole; 18, second abutting block; 19, second abutting surface; 20, fourth inclined surface; 21, second connecting rod; 22, rotating hole; 23, moving groove; 24, moving block; 25, guiding surface; 26, third spring; 27, rotating groove; 28, fifth spring; 29, sixth spring; 30, connecting plate; 31, roller; 32, bidirectional screw; 33, threaded sleeve; 34, suction cup; 35, fixing groove; 36, driving member; 37, first abutting surface. Detailed implementation manners

[0045] The following further Figure 1-6 describes the present application in detail with reference to the

[0046] The embodiment of the present application discloses a slip form for high-efficiency construction of ultra-deep shafts. Refer to Figure 1 、 Figure 2, The slip form for high-efficiency construction of ultra-deep shafts includes a formwork body 1, a bearing platform 2, and a moving platform 3. Multiple of them are installed by the staff along the depth direction of the shaft. The bearing platform 2 is installed above the moving platform 3. The bearing platform 2 and the moving platform 3 are slidably connected along the depth direction of the shaft inside the shaft. A slot 4 is opened on the side wall of the formwork body 1 away from the shaft. A hydraulic cylinder 5 is fixedly installed between the moving platform 3 and the bearing platform 2. A first limiting device 6 for restricting the sliding of the bearing platform 2 is provided on the bearing platform 2. The first limiting device 6 includes a first insertion block 61. A second limiting device 9 for restricting the sliding of the moving platform 3 is provided on the moving platform 3. The second limiting device 9 includes a second insertion block 91.

[0047] Install a new formwork body 1 on the uppermost formwork body 1. The first insertion block 61 and the second insertion block 91 are respectively clamped with the slots 4 of the adjacent formwork body 1. When the hydraulic cylinder 5 extends, the first insertion block 61 separates from the slot 4 and then the bearing platform 2 rises, making the first insertion block 61 clamped with the slot 4 of the newly installed formwork body 1. Then the hydraulic cylinder 5 shortens, making the second insertion block 91 separate from the slot 4. Then the moving platform 3 rises and is clamped with the slot 4 that has just separated from the first insertion block 61. The staff uses a concrete pipe on the bearing platform 2 to pour concrete between the formwork body 1 and the side wall of the shaft. Repeating the above steps can respectively drive the bearing platform 2 and the moving platform 3 to rise along the depth direction of the shaft, effectively avoiding the use of gantry cranes and facilitating the staff to pour concrete for the shaft wall of the ultra-deep shaft.

[0048] In this embodiment, the cross-section of the shaft is rectangular. In other embodiments, the cross-section of the shaft is circular. A blanking device for concrete blanking is installed on the ground at the top opening of the shaft. The blanking device includes a blanking hopper, a concrete pipe, and a buffer for alleviating the descending speed of the concrete in the concrete pipe. The blanking hopper is communicated with the concrete pipe. Multiple concrete pipes are installed at intervals along the depth direction of the shaft. The concrete pipes are installed on the side wall of the shaft along the depth direction of the shaft. The buffer is arranged at intervals along the depth direction between two adjacent concrete pipes. The lowermost concrete pipe (not shown in the figure) is installed on the bearing platform 2.

[0049] The formwork body 1 is made of alloy material. The formwork body 1 is installed on the side wall of the shaft along the circumferential direction of the side wall of the shaft. There is a gap between the formwork body 1 and the side wall of the shaft for pouring concrete.

[0050] Multiple formwork bodies 1 installed on the side wall of the shaft in the same horizontal direction are in a group, and multiple groups are installed along the depth direction of the shaft. The adjacent formwork bodies 1 are detachably connected. In this embodiment, a convex block is installed at the bottom of the formwork body 1, and a groove is opened at the top. The convex block of the formwork body 1 is clamped with the groove of the adjacent formwork body 1 below.

[0051] The bearing platform 2 is a rectangular platform made of alloy material. The bearing platform 2 is used for carrying people. Workers use the concrete pipes on the bearing platform 2 at the top of the bearing platform 2 to pour concrete between the side wall of the shaft and the formwork body 1. The side wall of the bearing platform 2 is in contact with the formwork body 1 installed on the side wall of the shaft. The thrust of the hydraulic cylinder 5 is greater than the frictional force between the bearing platform 2 and the formwork body 1 in contact, and the bearing platform 2 can provide auxiliary support for the formwork body 1.

[0052] Refer to Figure 2 、 Figure 3 As shown in FIGS.

[0053] The first limiting device 6 includes a first insertion block 61 and a first spring 62. First sliding grooves 7 are horizontally formed on the side walls of the opposite sides of the bearing platform 2. The first insertion block 61 is slidably connected in the first sliding groove 7 along the depth direction of the first sliding groove 7. The two ends of the first spring 62 are respectively fixedly connected to the bottom wall of the first sliding groove 7 and the first insertion block 61. The first spring 62 is used to drive the first insertion block 61 to move towards the direction close to the bottom wall of the first sliding groove 7.

[0054] The first insertion block 61 is a rectangular block made of alloy material. The first insertion block 61 is telescopic along the length direction of the first insertion block 61. A fifth spring 28 for driving the first insertion block 61 to extend is installed in the first insertion block 61. In this embodiment, the first insertion block 61 includes a first outer rod, a first inner rod and a second outer rod. Sliding grooves are formed on the side walls of the first outer rod and the second outer rod close to each other. The two ends of the first inner rod are respectively slidably connected in the sliding grooves of the first outer rod and the second outer rod. A sliding hole communicating with the first outer rod and the second outer rod is formed inside the first inner rod. One end of the fifth spring 28 is fixedly connected to the bottom wall of the sliding groove of the first outer rod, and the other end is fixedly connected to the bottom wall of the sliding groove of the second outer rod through the sliding hole. A first inclined surface 8 is provided at one end of the first outer rod of the first insertion block 61 away from the bottom wall of the first sliding groove and away from the edge of the moving platform 3. The first outer rod of the first insertion block 61 is clamped with the slot 4 of the formwork body 1.

[0055] Refer to Figure 2, the second limiting device 9 includes a second insertion block 91 and a second spring 92. Second sliding grooves 10 are horizontally formed on the side walls of opposite sides of the moving platform 3. The second insertion block 91 is slidably connected in the second sliding groove 10 along the depth direction of the second sliding groove 10. The second spring 92 is installed between the bottom wall of the second sliding groove 10 and the second insertion block 91. The second insertion block 91 is a rectangular block made of alloy material,

[0056] Referring to Figure 4 , Figure 5 , the second insertion block 91 is telescopic along the length direction of the second insertion block 91. A sixth spring 29 for driving the second insertion block 91 to extend is installed in the second insertion block 91. The second insertion block 91 includes a third outer rod, a second inner rod, and a fourth outer rod. Both ends of the second inner rod are slidably connected in the third outer rod and the fourth outer rod. The sixth spring 29 drives the third outer rod to move away from the bottom wall of the second sliding groove 10. One end of the third outer rod of the second insertion block 91 away from the bottom wall of the second sliding groove 10 is provided with a second inclined surface 11 near the edge of the bearing platform 2. The third outer rod of the second insertion block 91 is clamped with the slot 4.

[0057] Referring to Figure 2 , Figure 3 , Figure 4 , Figure 5 , the staff installs each group of formwork bodies 1 from bottom to top in sequence. The staff first installs two groups of formwork bodies 1 from the bottom wall of the shaft upward along the depth direction of the shaft at the bottom wall of the shaft, and pours concrete between the formwork body 1 and the side wall of the shaft. After the poured concrete solidifies, the staff compresses the first insertion block 61 into the first sliding groove 7 and compresses the second insertion block 91 into the second sliding groove 10, and then raises the moving platform 3 to the lower formwork body 1 through a lifting device. During the rising process of the moving platform 3, after the second insertion block 91 is aligned with the slot 4 of the lower formwork body 1, the second insertion block 91 is clamped with the slot 4 of the lower formwork body 1 under the push of the sixth spring 29, and the top of the second inclined surface 11 of the second insertion block 91 contacts the side wall of the slot 4. Then, the hydraulic cylinder 5 is started. When the first insertion block 61 is aligned with the upper formwork body 1, under the action of the fifth spring 28, the first insertion block 61 is clamped with the slot 4 of the upper formwork body 1, and the top of the first inclined surface 8 of the first insertion block 61 contacts the side wall of the slot 4, so as to install the bearing platform 2 and the moving platform 3 on two adjacent formwork bodies 1 respectively.

[0058] The staff member ascends with the bearing platform 2. After the bearing platform 2 and the mobile platform 3 are both installed on two adjacent formwork bodies 1, the staff member installs a new formwork body 1 above the formwork body 1 where the bearing platform 2 is clamped. The staff member activates the hydraulic cylinder 5, and the hydraulic cylinder 5 drives the bearing platform 2 to move away from the mobile platform 3. After the first inclined surface 8 of the first insertion block 61 abuts against the side wall of the slot 4, the first insertion block 61 moves towards the bottom wall of the first sliding slot 7. During the ascending process of the bearing platform 2, the bottom of the first inclined surface 8 of the first insertion block 61 abuts against the side wall of the new formwork body 1. When the first insertion block 61 is aligned with the slot 4 of the new formwork body 1, the first insertion block 61 is clamped with the slot 4 of the new formwork body 1 under the elastic force of the fifth spring 28. Then the staff member activates the hydraulic cylinder 5 to contract it. Since the bottom of the first insertion block 61 abuts against the side wall of the slot 4, the bearing platform 2 cannot move downward, causing the top inclined surface of the second insertion block 91 to be stressed, so that the second insertion block 91 enters the second sliding slot 10, and the mobile platform 3 is raised. When the second insertion block 91 is aligned with the slot 4 that has just been separated from the first insertion block 61, the second insertion block 91 is clamped with the slot 4 under the action of the sixth spring 29. Then, concrete is poured between the new formwork body 1 and the side wall of the shaft. After the concrete solidifies, repeat the above steps, and the bearing platform 2 and the mobile platform 3 can be respectively driven to ascend along the depth direction of the shaft, effectively avoiding the use of a gantry crane. In addition, when pouring concrete, the bearing platform 2 provides additional support for the new formwork body 1, which is convenient for the staff member to pour concrete for the shaft wall of the ultra-deep shaft.

[0059] Refer to Figure 2 , a sliding device 12 is provided at the top of the mobile platform 3. The sliding device 12 includes a support seat 121, a cam 122, and a drive source 123. Two support seats 121 are installed at intervals in the horizontal direction. The cam 122 is an elliptical cam 122, and the cam 122 is installed on the support seat 121 along the length direction of the bearing platform 2. The side walls on both sides of the cam 122 are coaxially rotatably connected to the two support seats 121. The cam 122 includes a large end and a small end. The distance from the small end to the rotation axis of the cam 122 is less than the distance from the large end to the rotation axis of the cam 122. The surface of the cam 122 can be in contact with the bottom of the bearing platform 2. The drive source 123 is used to drive the cam 122 to rotate. In this embodiment, the drive source 123 includes a motor, a driving gear, and a driven gear. The driven gear is coaxially installed on the rotation axis of the cam 122, and the driving gear is coaxially and fixedly installed on the output shaft of the motor. The driving gear and the driven gear are meshed, and the motor drives the cam 122 to rotate through the driving gear and the driven gear.

[0060] Two groups of sliding devices 12 are installed at intervals along the width direction of the bearing platform 2, and the rotation directions of the cams 122 of the two groups are opposite.

[0061] Refer toFigure 2 , Figure 3 , a first communication hole 13 communicating with the first sliding groove 7 is formed in the bottom of the bearing platform 2 in the vertical direction. One end of the first insertion block 61 close to the bottom wall of the first sliding groove 7 and close to the bottom of the bearing platform 2 is provided with a third inclined surface 15. A first abutting block 14 is slidably connected in the first communication hole 13 along the depth direction of the first communication hole 13. The first abutting block 14 is a rectangular block made of alloy material. An edge of one end of the first abutting block 14 close to the first sliding groove 7 and away from the bottom wall of the first sliding groove 7 is provided with a first abutting surface 37. The inclination angle of the first abutting surface 37 is the same as that of the third inclined surface 15, so that the first abutting surface 37 and the third inclined surface 15 are in mutual abutment.

[0062] Refer to Figure 4 , Figure 5 , a second communication hole 17 communicating with the second sliding groove 10 is formed in the top of the moving platform 3 in the vertical direction. A second abutting block 18 is slidably connected in the second communication hole 17 along the depth direction of the second communication hole 17. One end of the second abutting block 18 close to the second communication hole 17 and away from the edge of the second communication hole 17 is provided with a second abutting surface 19. One end of the second insertion block 91 close to the second sliding groove 10 and close to the bottom wall of the second sliding groove 10 has a fourth inclined surface 20. The second abutting surface 19 and the fourth inclined surface 20 are in mutual abutment.

[0063] Refer to Figure 2 , Figure 4 , first connecting rods 16 and second connecting rods 21 are respectively installed on the side walls on both sides of the cam 122. Both the first connecting rod 16 and the second connecting rod 21 are L-shaped alloy round rods. The first connecting rod 16 is hinged to the large end of the cam 122 and the first abutting block 14, and the second connecting rod 21 is hinged to the small end of the cam 122 and the second abutting block 18.

[0064] A perforation for the first spring 62 to pass through is formed in the first abutting block 14, so that the sliding of the first abutting block 14 along the depth direction of the first communication hole 13 does not affect the connection between the first abutting block 14 and the first spring 62. A perforation for the second spring 92 to pass through is formed in the second abutting block 18, so that the sliding of the second abutting block 18 along the depth direction of the first communication hole 13 does not affect the connection between the second abutting block 18 and the second spring 92.

[0065] Refer to Figure 2 , Figure 3 , Figure 4 , Figure 5, during the process that the driving source 123 drives the cam 122 to rotate, the first connecting rod 16 and the second connecting rod 21 are driven to rotate at the same time. When the large end of the cam 122 contacts the bottom of the bearing platform 2, the hydraulic cylinder 5 extends at the same time, and the first abutting block 14 moves towards the bottom wall of the first sliding groove 7. The first abutting block 14 drives the first inserting block 61 to move away from the bottom wall of the first sliding groove 7. Before the first inserting block 61 is aligned with the inserting slot 4, the length of the first inserting block 61 is compressed. At the same time, the second abutting block 18 drives the second inserting block 91 to move away from the second sliding groove 10, so that the inclined surface of the second inserting block 91 completely enters the inserting slot 4, making the connection between the moving platform 3 and the template body 1 more stable. When the large end of the cam 122 contacts the bottom of the bearing platform 2, the first inserting block 61 is aligned with the inserting slot 4. Under the action of the fifth spring 28, the first inclined surface 8 completely enters the first inserting block 61, and the hydraulic cylinder 5 cannot drive the bearing platform 2 to move upward continuously, effectively preventing the hydraulic cylinder 5 from extending excessively; when the small end of the cam 122 contacts the bottom of the bearing platform 2, the first connecting rod 16 drives the first abutting block 14 to move away from the first communication hole 13, and the second connecting rod 21 drives the second abutting block 18 to move away from the second communication hole 17, so that the first inserting block 61 moves towards the bottom wall of the first sliding groove 7, and the second inserting block 91 moves towards the bottom wall of the second sliding groove 10, making the first inclined surface 8 of the first inserting block 61 and the second inclined surface 11 of the second inserting block 91 contact the top side walls of the inserting slots 4 of the two template bodies 1 respectively. Then the hydraulic cylinder 5 is started to contract. The second inclined surface 11 contacts the top side wall of the inserting slot 4, and the second inserting block 91 enters the second sliding groove 10, driving the moving platform 3 to rise. The cam 122 and the hydraulic cylinder 5 cooperate to support the bearing platform 2 and drive the bearing platform 2 to move away from the moving platform 3, driving the bearing platform 2 to rise more stably.

[0066] Refer to Figure 2 , Figure 4 , Figure 6, rotation holes 22 are formed in the side walls of both support seats 121. A moving block 24 is installed on the support seat 121. In this embodiment, a plurality of moving blocks 24 are arranged at intervals along the width direction of the moving groove 23. A moving groove 23 is formed in the bottom wall of the rotation hole 22, and the moving block 24 is slidably connected to the moving groove 23 along the depth direction of the moving groove 23. A third spring 26 for driving the moving block 24 to move away from the bottom wall of the moving groove 23 is installed in the moving groove 23. One end of the third spring 26 is fixedly connected to the bottom wall of the moving groove 23, and the other end is fixedly connected to the moving block 24. A guiding surface 25 is formed on the side wall of the moving block 24 extending out of the moving groove 23. A rotation groove 27 is formed at the top of the rotation hole 22, and the moving block 24 is engaged with the rotation groove 27. The first connecting rod 16 contacts the guiding surface 25 of the moving block 24 of one support seat 121, and the second connecting rod 21 contacts the guiding surface 25 of the moving block 24 of the other support seat 121.

[0067] When the movable end of the first connecting rod 16 or the second connecting rod 21 moves towards the support seat 121, the first connecting rod 16 or the second connecting rod 21 contacts the guiding surface 25 of one of the moving blocks 24 and drives the moving block 24 to move towards the bottom wall of the moving groove 23. The remaining moving blocks 24 are still engaged with the rotation groove 27, so that the remaining moving blocks 24 and the first connecting rod 16 or the second connecting rod 21 entering the rotation hole 22 cooperate to support the cam 122. Continuing to rotate the cam 122 makes it convenient for the first connecting rod 16 or the second connecting rod 21 to pass through the support seat 121, and the cam 122 drives the first connecting rod 16 and the second connecting rod 21 to rotate simultaneously.

[0068] To facilitate the sliding of the first abutting block 14 driven by the first connecting rod 16 and the movement of the second abutting block 18 driven by the second connecting rod 21, connection blocks (not shown in the figure) are installed on the side walls of the first abutting block and the second abutting block. Connection grooves (not shown in the figure) are formed on the side walls of the first communication hole and the second communication hole. A hydraulic support rod (not shown in the figure) is installed between the connection groove and the connection block, making it more convenient for the first connecting rod 16 to drive the first abutting block 14 and the second connecting rod 21 to drive the second abutting block 18 to move reciprocally.

[0069] Refer to Figure 1 , Figure 4 , a connecting plate 30 is installed at the bottom of the moving platform 3. Rollers 31 are installed at both ends of the connecting plate 30. The rollers 31 are installed on the connecting plate 30 along the depth direction of the vertical shaft, and the rollers 31 contact the side wall of the template body 1. The rollers 31 on both sides of the connecting plate 30 are in contact with the template body 1, playing a guiding role in the rising of the moving platform 3 and at the same time playing an additional auxiliary supporting effect on the template body 1.

[0070] A bidirectional screw 32 is rotatably installed at the bottom of the connecting plate 30. Threaded sleeves 33 are threadedly connected to both ends of the bidirectional screw 32. Suction cups 34 are fixedly installed at the ends of the two threaded sleeves 33 that are away from each other. The suction cups 34 can adsorb to the side wall of the template body 1. Fixing grooves 35 are formed at the tops of the threaded sleeves 33. The connecting plate 30 is slidably connected in the fixing grooves 35 along the length direction of the bidirectional screw 32. A driving member 36 for driving the bidirectional screw 32 to rotate is arranged in the moving platform 3. The driving member 36 includes a servo motor, a driving gear, a driven gear and a toothed belt. The driven gear is coaxially and fixedly installed on the bidirectional screw 32. The servo motor is installed at the bottom of the moving platform 3. The driving gear is coaxially and fixedly connected to the output shaft of the servo motor. The toothed belt is installed between the driving gear and the driven gear. When the staff is pouring concrete, the driving member 36 is started to move the two threaded sleeves 33 away from each other, so that the suction cups 34 adsorb to the side wall of the template body 1, improving the connection stability between the moving platform 3 and the template body 1, increasing the friction between the moving platform 3 and the template body 1, and enhancing the connection stability between the moving platform 3 and the template body 1.

[0071] The implementation principle of a high-efficiency construction slip form for ultra-deep shafts in an embodiment of this application is as follows: When pouring concrete on the side wall of the shaft, the bearing platform 2 and the moving platform 3 are installed on two adjacent template bodies 1. Then, a new template body 1 is installed on the topmost template body 1, and the first insertion block 61 is clamped with the slot 4 of the upper template body 1, so that the top of the first inclined surface 8 of the first insertion block 61 contacts the side wall at the top of the slot 4. The top of the second inclined surface 11 of the second insertion block 91 contacts the side wall at the top of the second slot 4. Then, the hydraulic cylinder 5 is started. The hydraulic cylinder 5 extends to drive the first inclined surface 8 to abut against the side wall at the top of the slot 4. Then, the first insertion block 61 is moved towards the bottom wall of the first sliding slot 7, so that the bearing platform 2 moves away from the moving platform 3, and the first insertion block 61 is clamped with the new template body 1. Then, the hydraulic cylinder 5 is started to shorten the hydraulic cylinder 5, thereby driving the second insertion block 91 to separate from the second slot 4, and the moving platform 3 moves towards the bearing platform 2, and the second insertion block 91 is clamped with the slot 4 that has just separated from the first insertion block 61. The staff uses a concrete pipe on the bearing platform 2 to pour concrete between the template body 1 and the side wall of the shaft. By repeating the above steps, the bearing platform 2 and the moving platform 3 can be respectively driven to rise along the depth direction of the shaft, effectively avoiding the use of a gantry crane and facilitating the staff to pour concrete for the shaft wall of the ultra-deep shaft.

[0072] This application also discloses a construction method for a high-efficiency construction slip form for ultra-deep shafts, including the following steps:

[0073] S1: The staff first installs two template bodies 1 along the depth direction of the shaft, and fixedly installs the lowermost template body 1 on the bottom wall of the shaft. Then, concrete is poured between the installed template body 1 and the side wall of the shaft.

[0074] S2: Install the bearing platform 2 on the upper template body 1 and install the upgrade platform on the lower template body 1. The small end of the cam 122 contacts the bottom of the support platform.

[0075] S3: Continuously install a new template body 1 on the top of the uppermost template body 1. Then, start the driving source 123 and the hydraulic cylinder 5. The hydraulic cylinder 5 extends, and the large end of the cam 122 rotates towards the direction close to the support platform. The bearing platform 2 moves away from the moving platform 3, so that the first insert block 61 is clamped with the slot 4 of the new template body 1.

[0076] S4: Start the driving source 123 to make the small end of the cam 122 contact the bottom of the bearing platform 2. Then, start the hydraulic cylinder 5 to contract the hydraulic cylinder 5. The moving platform 3 moves towards the direction close to the bearing platform 2, so that the second insert block 91 is clamped with the slot 4 of the template body 1 adjacent to the lower part of the new template body 1.

[0077] S5: Pour concrete between the new template body 1 and the shaft wall of the shaft wall.

[0078] S6: Repeat the steps of S3 - S5.

[0079] The above are all the preferred embodiments of this application. The protection scope of this application is not limited by this. Therefore, all equivalent changes made according to the structure, shape, and principle of this application should be covered within the protection scope of this application.

Claims

1. A slip form for high-efficiency construction of ultra-deep shafts, characterized in that: It includes a template body (1), a bearing platform (2) and a moving platform (3). A plurality of the template bodies (1) are arranged along the depth direction of the shaft, and the adjacent template bodies (1) are detachably connected. The bearing platform (2) is located above the moving platform (3), and the bearing platform (2) and the moving platform (3) slide along the depth direction of the shaft. A slot (4) is formed on the side wall of the template body (1), and a hydraulic cylinder (5) is fixedly arranged between the moving platform (3) and the bearing platform (2); A first limiting device (6) for restricting the sliding of the bearing platform (2) is arranged on the bearing platform (2). The first limiting device (6) includes a first plug (61) and a first spring (62). A first sliding groove (7) is formed on the side wall of the bearing platform (2). The first plug (61) is slidably connected in the first sliding groove (7). The first spring (62) is arranged between the bottom wall of the first sliding groove (7) and the first plug (61). A first inclined surface (8) is arranged at one end of the first plug (61) away from the bottom wall of the first sliding groove (7) and away from the edge of the moving platform (3). The first plug (61) can be clamped with the slot (4); A second limiting device (9) for restricting the sliding of the moving platform (3) is arranged on the moving platform (3). The second limiting device (9) includes a second plug (91) and a second spring (92). A second sliding groove (10) is formed on the side wall of the moving platform (3). The second plug (91) is slidably connected in the second sliding groove (10). The second spring (92) is arranged between the bottom wall of the second sliding groove (10) and the second plug (91). A second inclined surface (11) is arranged at one end of the second plug (91) away from the bottom wall of the second sliding groove (10) and close to the edge of the bearing platform (2). The second plug (91) is clamped with the slot (4).

2. The slip form for high-efficiency construction of ultra-deep shafts according to claim 1, wherein: A sliding device (12) is arranged on the top of the moving platform (3). The sliding device (12) includes a support seat (121), a cam (122) and a driving source (123). The cam (122) is rotatably arranged on the support seat (121). The driving source (123) is used to drive the cam (122) to rotate. The surface of the cam (122) can contact the bottom of the bearing platform (2).

3. The slip form for high-efficiency construction of ultra-deep shafts according to claim 2, characterized in that: A first communication hole (13) communicating with the first sliding groove (7) is formed on the bottom of the bearing platform (2). A first abutting block (14) is slidably connected in the first communication hole (13). A third inclined surface (15) is arranged at one end of the first plug (61) close to the bottom wall of the first sliding groove (7) and close to the bottom of the bearing platform (2). A first abutting surface (37) is formed on the first abutting block (14). The first abutting surface (37) abuts against the third inclined surface (15). A first connecting rod (16) is hinged between the large end of the cam (122) and the first abutting block (14).

4. The slip form for high-efficiency construction of ultra-deep shafts according to claim 3, characterized in that: A second communication hole (17) communicating with the second sliding groove (10) is formed in the top of the moving platform (3). A second abutting block (18) is slidably connected in the second communication hole (17). A second abutting surface (19) is arranged on the second abutting block (18). The second inserting block (91) is provided with a fourth inclined surface (20). The second abutting surface (19) abuts against the fourth inclined surface (20). A second connecting rod (21) is hinged between the small end of the cam (122) and the second abutting block (18). The second connecting rod (21) and the first connecting rod (16) are respectively arranged on the side walls on both sides of the cam (122).

5. The slip form for high-efficiency construction of ultra-deep shafts according to claim 4, characterized in that: Support seats (121) are arranged on both sides of the cam (122). A rotating hole (22) is formed in the side wall of the support seat (121). A moving groove (23) is formed in the bottom wall of the rotating hole (22). A moving block (24) is slidably connected in the moving groove (23) along the depth direction of the moving groove (23). A guiding surface (25) is formed in the side wall of the moving block (24). A third spring (26) for driving the moving block (24) to move away from the bottom wall of the moving groove (23) is arranged in the moving groove (23). A rotating groove (27) is formed in the top of the rotating hole (22). The moving block (24) is clamped with the rotating groove (27). The first connecting rod (16) contacts the guiding surface (25) of the moving block (24) of one support seat (121). The second connecting rod (21) contacts the guiding surface (25) of the moving block (24) of the other support seat (121).

6. The slip form for high-efficiency construction of ultra-deep shafts according to claim 4, characterized in that: The first inserting block (61) is telescopic along the length direction of the first inserting block (61). A fifth spring (28) for driving the first inserting block (61) to extend is arranged in the first inserting block (61).

7. The slip form for high-efficiency construction of ultra-deep shafts according to claim 4, characterized in that: The second inserting block (91) is telescopic along the length direction of the second inserting block (91). A sixth spring (29) for driving the second inserting block (91) to extend is arranged in the second inserting block (91).

8. The slip form for high-efficiency construction of ultra-deep shafts according to claim 1, characterized in that: A connecting plate (30) is arranged at the bottom of the moving platform (3). Rollers (31) are arranged at both ends of the connecting plate (30). The rollers (31) are in contact with the side wall of the template body (1).

9. The slip form for high-efficiency construction of ultra-deep shafts according to claim 8, wherein: A bidirectional screw (32) is rotatably arranged at the bottom of the connecting plate (30). Threaded sleeves (33) are threadedly connected to both ends of the bidirectional screw (32). Suction cups (34) are arranged on the threaded sleeves (33). The suction cups (34) can adsorb on the side wall of the template body (1). A fixing groove (35) is formed in the top of the threaded sleeve (33). The connecting plate (30) is slidably connected in the fixing groove (35) along the length direction of the bidirectional screw (32). A driving member (36) for driving the bidirectional screw (32) to rotate is arranged in the moving platform (3).

10. A slip form construction method for high-efficiency construction of ultra-deep shafts described in any one of claims 1-9, characterized in that, Including the following steps: S1: The staff first installs two template bodies (1) along the depth direction of the shaft, and fixedly installs the lowermost template body (1) on the bottom wall of the shaft. Then, concrete is poured between the installed template body (1) and the side wall of the shaft; S2: Install the bearing platform (2) on the upper template body (1) and install the upgrade platform on the lower template body (1). The small end of the cam (122) contacts the bottom of the support platform; S3: Continuously install a new template body (1) on the top of the uppermost template body (1). Then, start the driving source (123) and the hydraulic cylinder (5). The hydraulic cylinder (5) extends, and the large end of the cam (122) rotates towards the direction close to the support platform. The bearing platform (2) moves away from the moving platform (3), so that the first insertion block (61) is clamped with the slot (4) of the new template body (1); S4: Start the driving source (123) to make the small end of the cam (122) contact the bottom of the bearing platform (2). Then, start the hydraulic cylinder (5) to contract the hydraulic cylinder (5). The moving platform (3) moves towards the direction close to the bearing platform (2), so that the second insertion block (91) is clamped with the slot (4) of the template body (1) adjacent to the lower part of the new template body (1); S5: Pour concrete between the new template body (1) and the shaft wall of the shaft wall; S6: Repeat the steps of S3 - S5.

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