A cement pole production fastening device and use method

Abstract

The invention relates to the technical field of fastening components, and discloses a cement pole production fastening device and a method of using the same. The structure of the fastening device comprises a fastening auxiliary device and a fastening device. The invention adds a clamping mechanism to the fastening device, drives a push rod and a moving seat to move by means of a cylinder, and drives another group of push rods and the moving seat to move synchronously under the action of a connecting rod, thereby driving the limiting mechanisms on both sides to clamp, adjusting the distance between a roller member and a mold, limiting the mold by means of a fastening wheel, and fastening it, so as to prevent the mold from vibrating during centrifugal rotation, affecting the centrifugal effect, and causing bubbles to appear inside the cement pole. An outer rolling ring is provided on the outer side of the mold, the diameter of the outer rolling ring is larger than the diameter of the mold and cooperates with the centrifugal roller on the centrifuge to rotate. By means of the relationship between centrifugal force and diameter, the centrifugal force can be increased by increasing the radius of centrifugal rotation, and the centrifugal forming efficiency of the cement pole can be accelerated.

Description

Technical Field

[0001] The invention belongs to the field of fastening components, and in particular relates to a cement pole production fastening device and a use method thereof. Background Art

[0002] Cement poles are essential basic components in power transmission. They are mainly used to support wires, cables and other communication facilities to ensure stable power transmission. They have the characteristics of high strength, good durability and long service life. They can maintain stable performance under various environmental and climatic conditions. Therefore, they are widely used in power, communication, railway, petroleum and other industries.

[0003] The existing manufacturing steps of cement poles are to put the steel cage into the lower mold and pour concrete, then put the mold into a centrifuge for centrifugal operation, and steam the cement pole with high-temperature steam to solidify it after the centrifugal operation is completed. However, the existing technology has the following shortcomings: when the cement pole is in the process of centrifugal operation and rotating casting, due to the lack of fastening devices, the cement mold will vibrate frequently during rotation, thereby affecting the centrifugal effect inside the mold;

[0004] The present application proposes a cement pole production and fastening device and a method of use to improve the above-mentioned defects. Summary of the invention

[0005] The technical problem to be solved by the present invention is to overcome the deficiencies of the prior art and provide a cement pole production fastening device and a use method which can beat cement mortar and increase the rotational stability during centrifugation.

[0006] In order to solve the above technical problems, the present invention adopts the following technical solutions:

[0007] A cement pole production fastening device and a method of use, the structure of which includes a fastening auxiliary device, a crane and a fastening device, one side of the fastening auxiliary device is provided with a crane capable of hoisting and moving the mold, and the other side of the fastening auxiliary device is provided with a fastening device capable of centrifugally rotating the mold.

[0008] In a specific feasible implementation scheme, the fastening auxiliary device includes a machine body, guide rails, a U-shaped frame, a compacting mechanism, a guide seat, a ball screw and a motor. The top end surface of the machine body is symmetrically installed with guide rails, and U-shaped frames are slidably fitted on the two guide rails. A compacting mechanism is installed on the inner side of the U-shaped frame. One side of the U-shaped frame is connected to the guide seat, and the guide seat is slidably fitted with the ball screw through a guide member, and one end of the ball screw is connected to the output end of the motor.

[0009] In a specific possible implementation scheme, the compacting mechanism includes a mounting frame, a motor, a limit ring, a reciprocating member, a semicircular plate and a wiping block. The motor and the limit ring are fixed inside the mounting frame, and the output end of the motor is connected to several groups of reciprocating members, and semicircular plates and wiping blocks are respectively installed on several groups of reciprocating members.

[0010] In a specific feasible implementation mode, the installation angles of several groups of the reciprocating parts are different. The reciprocating parts include a first eccentric block, a second eccentric block, a swing block and a coupling. A second eccentric block is provided on one side of the first eccentric block. A swing block is rotatably coupled between the first eccentric block and the second eccentric block through a coupling. Several of the swing blocks are respectively connected to the semicircular plate and the wiping block.

[0011] In a specific embodiment, the two groups of wiping blocks are cross-symmetrically arranged and are both absorbent sponge blocks.

[0012] In a specific possible implementation, the fastening device includes a centrifuge, a clamping mechanism and a driven rod. The centrifuge is equipped with a clamping mechanism, and driven rods are symmetrically installed on both sides of the clamping mechanism. A plurality of driven rods are slidably matched with through holes on the centrifuge.

[0013] In a specific possible implementation mode, outer roller rings are provided on the outside of the upper and lower mold shells of the mold. The diameter of the outer roller rings is larger than the diameter of the mold and is rotatably matched with the centrifugal roller on the centrifuge.

[0014] In a specific possible implementation scheme, the clamping mechanism is composed of a synchronous driving member and a limiting mechanism, and the limiting mechanism is symmetrically mounted on the synchronous driving member.

[0015] In a specific feasible implementation scheme, the synchronous driving component includes a base, a slide rail, a movable seat, a push rod, a connecting rod and a cylinder. The slide rails are symmetrically installed on the base, and the two slide rails are slidably matched with movable seats. Push rods are installed on the two movable seats, and the other ends of the push rods are rotatably matched with the connecting rods. The bottom of one group of the push rods is connected to the piston rod of the cylinder.

[0016] In a specific feasible implementation scheme, the limiting mechanism includes a side plate, a second motor, a driving gear, a bevel gear, a main shaft and a roller member. A second motor is fixedly mounted on one side of the side plate, and the output end of the second motor is connected to the driving gear. A bevel gear is meshed on the driving gear. The main shaft is connected at the center of the bevel gear, and a number of roller members are arranged in an equidistant array on the main shaft.

[0017] In a specific possible implementation manner, the roller member includes a base, a rotating frame and a fastening wheel, the base is rotatably matched with the rotating frame, the rotating frame is rotatably matched with the fastening wheel, and the rotating frame is fixed to the main shaft.

[0018] According to the technical solution proposed above, a cement pole production fastening device and a method of use of the present invention have the following beneficial effects:

[0019] (1) The present invention adds a clamping mechanism to the fastening device, drives a group of push rods and a moving seat to move by means of the piston rod of the cylinder, and drives another group of push rods and the moving seat to move synchronously under the action of the connecting rod, thereby driving the limiting mechanisms on both sides to clamp, adjusting the distance between the roller and the mold, limiting the position of the mold by means of the fastening wheel, and clamping and fastening it, which can prevent the mold from vibrating during centrifugal rotation, thereby affecting the centrifugal effect and causing bubbles to appear inside the cement pole.

[0020] (2) The present invention drives the driving gear to rotate through the second motor. With the help of the gear meshing between the driving gear and the bevel gear, the bevel gear and the main shaft can be driven to rotate together. The rotating frame is fixed to the main shaft, which can drive the rotating frame and the fastening wheel to adjust the angle, thereby adapting to molds of different diameters and fastening molds of different diameters.

[0021] (3) The present invention adds a compacting mechanism to the auxiliary fastening device, and drives the first eccentric block and the second eccentric block to rotate and make eccentric motion by the operation of the motor, thereby driving a plurality of swing blocks to make up and down reciprocating motions, and driving the semicircular plate to reciprocately beat and compact the cement poured on the mold, thereby avoiding the time of manual compaction and compaction, and improving the production efficiency of cement poles and the subsequent curing efficiency.

[0022] (4) The present invention adds a wiping block, which drives the first eccentric block and the second eccentric block to rotate and make eccentric motion by the operation of a motor, thereby driving a plurality of swing blocks to make up and down reciprocating motions, thereby driving the wiping block to squeeze and wipe the two sides of the mold, and the water in the wiping block can be squeezed out by squeezing. When the wiping block moves driven by the U-shaped frame, the two sides of the mold can be wiped, thereby improving the cleaning effect and saving the time of manual wiping.

[0023] (5) The present invention provides an outer rolling ring on the outer side of the mold. The diameter of the outer rolling ring is larger than the diameter of the mold and cooperates with the centrifugal roller on the centrifuge to rotate. By taking advantage of the relationship between centrifugal force and diameter, the centrifugal force can be increased by increasing the radius of centrifugal rotation, thereby accelerating the centrifugal forming efficiency of cement poles. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Other features, objects and advantages of the present invention will become more apparent from the detailed description of non-limiting embodiments made with reference to the following drawings:

[0025] Figure 1This is a structural schematic diagram of a cement pole production and fastening device and a method of use in an embodiment of the present application;

[0026] Figure 2 This is a schematic diagram of the structure of the auxiliary fastening device in the embodiment of the present application;

[0027] Figure 3 This is a schematic diagram of the structure of the compaction mechanism in the embodiment of the present application;

[0028] Figure 4 In the embodiment of this application Figure 3 A schematic diagram of the enlarged structure at A in the middle;

[0029] Figure 5 This is a schematic diagram of the structure of the fastening device in the embodiment of the present application;

[0030] Figure 6 This is a schematic diagram of the structure of the clamping mechanism in the embodiment of the present application;

[0031] Figure 7 This is a schematic diagram of the structure of the synchronous driving member in the embodiment of the present application;

[0032] Figure 8 This is a schematic diagram of the structure of the limiting mechanism in the embodiment of the present application;

[0033] Fig. 9 In the embodiment of this application Figure 8 A schematic diagram of the enlarged structure at B in the middle;

[0034] In the figure: fastening auxiliary device-1, crane-2, fastening device-3, mold-4, machine body-11, guide rail-12, U-shaped frame-13, compacting mechanism-14, guide seat-15, ball screw-16, motor-17, mounting frame-21, motor-22, limit ring-23, reciprocating member-24, semicircular plate-25, wiping block-26, first eccentric block-241, second eccentric block-242, swing block-243, coupling -244, centrifuge-31, clamping mechanism-32, driven rod-33, outer roller ring-5, synchronous drive member-321, limiting mechanism-322, base-41, slide rail-42, movable seat-43, push rod-44, connecting rod-45, cylinder-46, side plate-51, second motor-52, driving gear-53, bevel gear-54, main shaft-55, roller member-56, base-61, rotating frame-62, fastening wheel-63. DETAILED DESCRIPTION

[0035] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below in conjunction with specific implementation methods.

[0036] Example 1: Please refer to Figure 1-Figure 4, the specific embodiments of the present invention are as follows:

[0037] A cement pole production fastening device and a method of use, the structure of which includes a fastening auxiliary device 1, a crane 2 and a fastening device 3, one side of the fastening auxiliary device 1 is provided with a crane 2 capable of hoisting and moving a mold 4, the other side of the fastening auxiliary device 1 is provided with a fastening device 3 capable of centrifugally rotating the mold 4, and the mold 4 is divided into an upper and lower mold that are fastened and connected by bolts.

[0038] See also Figure 2 The fastening auxiliary device 1 includes a body 11, a guide rail 12, a U-shaped frame 13, a compacting mechanism 14, a guide seat 15, a ball screw 16 and a motor 17. The guide rails 12 are symmetrically installed on the top end surface of the body 11. The U-shaped frames 13 are slidably matched on the two guide rails 12. The guide rails 12 can increase the stability of the movement of the U-shaped frames 13. The inner side of the U-shaped frame 13 is installed with a compacting mechanism 14 that can pat the cement on the electric pole mold poured with cement. One side of the U-shaped frame 13 is connected to the guide seat 15. The guide seat 15 is slidably matched with the ball screw 16 through a guide piece, which can convert the rotational motion of the ball screw 16 into a linear motion. One end of the ball screw 16 is connected to the output end of the motor 17, and the ball screw 16 is driven to rotate by the operation of the motor 17.

[0039] See also Figure 3 The compacting mechanism 14 includes a mounting frame 21, a motor 22, a limiting ring 23, a reciprocating member 24, a semicircular plate 25 and a wiping block 26. The motor 22 and the limiting ring 23 are fixed inside the mounting frame 21. The output end of the motor 22 is connected to a plurality of groups of reciprocating members 24, and the semicircular plates 25 and the wiping blocks 26 are respectively installed on the plurality of groups of reciprocating members 24.

[0040] See also Figure 3-Figure 4 The installation angles of several groups of reciprocating members 24 are different. The reciprocating member 24 includes a first eccentric block 241, a second eccentric block 242, a swing block 243 and a coupling 244. A second eccentric block 242 is provided on one side of the first eccentric block 241. The first eccentric block 241 and the second eccentric block 242 are rotatably matched with a swing block 243 through a coupling 244. The coupling 244 is connected to the first eccentric block 241, the second eccentric block 242 and the swing block 243. Several swing blocks 243 are respectively connected to the semicircular plate 25 and the wiping block 26, and can drive the first eccentric block 241 and the second eccentric block 242 to rotate and make eccentric motion when the motor 22 is running, thereby driving the swing block 243 between the two groups of eccentric blocks to make up and down reciprocating motion.

[0041] See also Figure 3The two groups of wiping blocks 26 are cross-symmetrically arranged and are both absorbent sponge blocks. When the wiping blocks 26 have completed absorbing water during use, the eccentric movement of the first eccentric block 241 and the second eccentric block 242 drives the swing block 243 to reciprocate up and down, which can drive the wiping blocks 26 to squeeze and wipe the two sides of the mold 4. The water in the wiping blocks 26 can be squeezed out by squeezing, and the two sides of the mold can be wiped when the wiping blocks 26 are moved driven by the U-shaped frame 13, thereby improving the cleaning effect and saving the time of manual wiping.

[0042] See also Figure 3 The semicircular plate 25 reciprocates under the drive of the reciprocating member 24 and can only reciprocate vertically up and down under the limiting effect of the limiting ring 23, so as to reciprocate and compact the cement poured on the mold 4.

[0043] Example 2: Please refer to Figure 5-Figure 9 , the specific embodiments of the present invention are as follows:

[0044] See also Figure 5 The fastening device 3 includes a centrifuge 31, a clamping mechanism 32 and a driven rod 33. The centrifuge 31 is equipped with a clamping mechanism 32 capable of rotationally limiting the mold 4. The driven rods 33 are symmetrically installed on both sides of the clamping mechanism 32. A plurality of driven rods 33 are slidably matched with the through holes on the centrifuge 31, which can increase the stability of the movement of the clamping mechanism 32.

[0045] See also Figure 5 The outer parts of the upper and lower mold shells of the mold 4 are both provided with outer rolling rings 5. The diameter of the outer rolling rings 5 ​​is larger than the diameter of the mold 4 and cooperates with the centrifugal roller on the centrifuge 31. By virtue of the relationship between centrifugal force and diameter, the centrifugal force can be increased by increasing the radius of centrifugal rotation, thereby accelerating the centrifugal forming efficiency of the cement pole.

[0046] See also Figure 6 The clamping mechanism 32 is composed of a synchronous driving member 321 and a limiting mechanism 322. The synchronous driving member 321 is located at the top of the centrifuge 31. The synchronous driving member 321 is symmetrically equipped with a limiting mechanism 322 that can limit and clamp the mold 4 that is centrifugally rotating on the centrifuge 31 during rotation.

[0047] See also Figure 7The synchronous driving member 321 includes a base 41, a slide rail 42, a moving seat 43, a push rod 44, a connecting rod 45 and a cylinder 46. The slide rails 42 are symmetrically installed on the base 41, and the two slide rails 42 are slidably matched with the moving seat 43. The two moving seats 43 are installed with push rods 44. The other ends of the push rods 44 are rotatably matched with the connecting rods 45. The connecting rods 45 are connected to the base 41 through a rotating shaft. The bottom of one group of push rods 44 is connected to the piston rod of the cylinder 46. The cylinder 46 is located on one side of the base 41.

[0048] See also Figure 7 The piston rod of the cylinder 46 pushes out a set of push rods 44 and a moving seat 43 connected thereto to move. At the same time, the movement of the push rod 44 drives the connecting rod 45 to rotate on the rotating shaft, and drives the push rod 44 and the moving seat 43 at the other end of the connecting rod 45 to move, thereby achieving the effect of synchronous movement.

[0049] See also Figure 8 The limiting mechanism 322 includes a side plate 51, a second motor 52, a driving gear 53, a bevel gear 54, a main shaft 55 and a roller member 56. The second motor 52 is fixedly installed on one side of the side plate 51. The output end of the second motor 52 passes through the side plate 51 and is connected to the driving gear 53 to drive the driving gear 53 to rotate. The bevel gear 54 is meshed with the gear on the driving gear 53. The main shaft 55 is connected at the center of the bevel gear 54. A number of roller members 56 are arranged in an equidistant array on the main shaft 55. The installation positions of the number of roller members 56 correspond to the outer rolling ring 5 on the mold 4.

[0050] See also Fig. 9 The roller member 56 includes a base 61, a rotating frame 62 and a fastening wheel 63. The base 61 is connected to the side plate 51. The base 61 is rotatably equipped with the rotating frame 62. The rotating frame 62 is rotatably equipped with the fastening wheel 63. The rotating frame 62 is fixed to the main shaft 55 and can rotate with the rotation of the main shaft 55, thereby adjusting the angle of the fastening wheel 63.

[0051] Based on the above embodiment, a method for using a cement pole production fastening device is specifically implemented as follows:

[0052] S1, when the mold 4 is filled with cement by the fastening auxiliary device, the motor 17 on the fastening auxiliary device 1 is driven to rotate the ball screw 16, and the guide seat 15 and the U-shaped frame 13 connected to the guide seat 15 are driven to move by the rotation of the ball screw 16;

[0053] S2, as the U-shaped frame 13 moves, the driving motor 22 operates to drive the first eccentric block 241 and the second eccentric block 242 on the plurality of reciprocating members 24 to rotate and perform eccentric motion, thereby driving the swing block 243 to perform up and down reciprocating motion;

[0054] S3, when the plurality of swing blocks 243 are reciprocating, they can drive the semicircular plate 25 and the wiping block 26 to move together, the wiping block 26 squeezes and wipes the two sides of the mold 4, and the semicircular plate 25 can reciprocately pat and compact the cement poured on the mold 4, saving the time of subsequent manual cleaning and manual patting;

[0055] S4, after the mold 4 is filled with cement, the mold is transferred to the fastening device 3 by means of the crane 2, and the mold is driven to rotate by the centrifugal motion of the centrifuge 31 to make the cement pole hollow;

[0056] S5, while the centrifuge 31 is working, the piston rod of the cylinder 46 pushes out and drives a group of push rods 44 and the moving seat 43 connected thereto to move. As the push rod 44 moves, it drives the connecting rod 45 to rotate on the rotating shaft, and drives a group of push rods 44 and the moving seat 43 at the other end of the connecting rod 45 to move synchronously, so as to drive the limit mechanisms 322 on both sides to clamp, and adjust the distance between the roller member 56 and the mold 4, until the fastening wheel 63 contacts the outer roller ring 5 on the mold and stops moving;

[0057] S6, the mold 4 can be clamped in position by means of the fastening wheel 63, so as to prevent the mold 4 from vibrating during centrifugal rotation, thereby affecting the centrifugal effect and causing bubbles to appear inside the cement pole;

[0058] S7, the driving gear 53 is driven to rotate by the second motor 52, and the bevel gear 54 and the main shaft 55 connected thereto are driven to rotate by means of the gear meshing between the driving gear 53 and the bevel gear 54, and the rotating frame 62 is fixed to the main shaft 55, so that the rotating frame 62 and the fastening wheel 63 can be driven to adjust the angle, so as to adapt to molds of different diameters.

[0059] The control method of the present invention is to control through a controller. The control circuit of the controller can be realized by simple programming by technicians in this field. The provision of power is also common knowledge in this field. The present invention is mainly used to protect mechanical devices, so the present invention will no longer explain the control method and circuit connection in detail.

[0060] In the description of the present invention, it is necessary to understand that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0061] The above are only specific implementation methods of the present application, but the protection scope of the present application is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed in the present application, which should be covered by the protection scope of the present application.

Claims

1. A cement pole production fastening device, comprising a fastening auxiliary device (1), a crane (2) located on one side of the fastening auxiliary device (1), a fastening device (3) located on the other side of the fastening auxiliary device (1), and a mold (4) located on the fastening auxiliary device (1); characterized in that: The fastening device (3) comprises a centrifuge (31), a clamping mechanism (32) located on the centrifuge (31) and capable of rotationally limiting the mold (4), and driven rods (33) located on both sides of the clamping mechanism (32), wherein a plurality of the driven rods (33) are slidably engaged with through holes on the centrifuge (31); The outer parts of the upper and lower mold shells of the mold (4) are both provided with outer rolling rings (5), the diameter of the outer rolling rings (5) being larger than the diameter of the mold (4) and being rotatably matched with the centrifugal rollers on the centrifuge (31); The clamping mechanism (32) is composed of a synchronous driving member (321) and a limiting mechanism (322); the synchronous driving member (321) is located at the top of the centrifuge (31); and the limiting mechanism (322) is symmetrically mounted on the synchronous driving member (321); The synchronous driving member (321) comprises a base (41), a slide rail (42) located on the base (41), a moving base (43) for slidingly cooperating with the slide rail (42), a push rod (44) located on the moving base (43), a connecting rod (45) provided at the other end of the push rod (44), and a cylinder (46) installed at the bottom of one group of the push rods (44); The limiting mechanism (322) comprises a side plate (51), a second motor (52) located on one side of the side plate (51), a driving gear (53) mounted on an output end of the second motor (52), a bevel gear (54) for meshing with the driving gear (53), a main shaft (55) located at the center of the bevel gear (54), and a plurality of roller members (56) arranged in an array on the main shaft (55), wherein the installation positions of the plurality of roller members (56) correspond to the outer roller ring (5) on the mold (4); The roller member (56) comprises a base (61), a rotating frame (62) for rotating with the base (61), and a fastening wheel (63) located on the rotating frame (62), wherein the rotating frame (62) is fixed to the main shaft (55); The auxiliary fastening device (1) comprises a body (11), guide rails (12) symmetrically located on the top of the body (11), a U-shaped frame (13) for slidingly cooperating with the two guide rails (12), a compacting mechanism (14) located inside the U-shaped frame (13), a guide seat (15) installed on one side of the U-shaped frame (13), a ball screw (16) for slidingly cooperating with the guide seat (15), and a motor (17) located at one end of the ball screw (16), wherein the motor (17) can drive the ball screw (16) to rotate; The compacting mechanism (14) comprises a mounting frame (21), a motor (22) and a limit ring (23) located inside the mounting frame (21), a plurality of groups of reciprocating members (24) disposed on the output end of the motor (22), and a semicircular plate (25) and a wiping block (26) mounted on the plurality of groups of reciprocating members (24); The installation angles of the plurality of groups of reciprocating members (24) are different. The reciprocating members (24) include a first eccentric block (241), a second eccentric block (242), a swing block (243) and a coupling (244). The second eccentric block (242) is provided on one side of the first eccentric block (241). The first eccentric block (241) and the second eccentric block (242) are rotatably coupled with a swing block (243) via a coupling (244). The coupling (244) is connected to the first eccentric block (241), the second eccentric block (242) and the swing block (243). The plurality of swing blocks (243) are respectively connected to the semicircular plate (25) and the wiping block (26).

2. A cement pole production fastening device according to claim 1, characterized in that: The two groups of wiping blocks (26) are cross-symmetrically arranged and are both water-absorbent sponge blocks.

3. A method for using a cement pole production fastening device, using the cement pole production fastening device according to claim 2, and the method for using it is as follows: S1, when the mold (4) is filled with cement by means of the fastening auxiliary device, the motor (17) on the fastening auxiliary device (1) is driven to rotate and drive the ball screw (16) to rotate, and the guide seat (15) and the U-shaped frame (13) connected to the guide seat (15) are driven to move by means of the rotation of the ball screw (16); S2, as the U-shaped frame (13) moves, the driving motor (22) operates to drive the first eccentric block (241) and the second eccentric block (242) on the plurality of groups of reciprocating members (24) to rotate and perform eccentric motion, thereby driving the swing block (243) to perform up and down reciprocating motion; S3, when the plurality of swing blocks (243) are performing reciprocating motion, they can drive the semicircular plate (25) and the wiping block (26) to move together, the wiping block (26) squeezes and wipes the two sides of the mold (4), and the semicircular plate (25) can reciprocately tap and compact the cement poured on the mold (4), thereby saving the time for subsequent manual cleaning and manual tapping; S4, after the mold (4) is filled with cement, the mold is transferred to the fastening device (3) by means of a crane (2), and the mold is driven to rotate and perform centrifugal motion by a centrifuge (31), so that the cement pole can be hollowed; S5, while the centrifuge (31) is working, the piston rod of the cylinder (46) is pushed out to drive a group of push rods (44) and a movable seat (43) connected thereto to move, and as the push rod (44) moves, it drives the connecting rod (45) to rotate on the rotating shaft, and drives a group of push rods (44) and a movable seat (43) at the other end of the connecting rod (45) to move synchronously, thereby driving the limit mechanisms (322) on both sides to clamp and adjust the distance between the roller member (56) and the mold (4) until the fastening wheel (63) contacts the outer roller ring (5) on the mold and stops moving; S6, the position of the mold (4) can be limited by means of the fastening wheel (63), so as to prevent the mold (4) from vibrating during centrifugal rotation, thereby affecting the centrifugal effect and causing bubbles to appear inside the cement pole; S7, the second motor (52) drives the driving gear (53) to rotate, and the gear meshing between the driving gear (53) and the bevel gear (54) drives the bevel gear (54) and the main shaft (55) connected thereto to rotate together, and the rotating frame (62) is fixed to the main shaft (55), so that the rotating frame (62) and the fastening wheel (63) can be driven to adjust the angle, so as to adapt to molds of different diameters.

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