A building facade climbing frame machine position wall support device and installation method thereof

Abstract

The present invention discloses a wall-attached support device for a building facade climbing frame and an installation method thereof, which comprises a movable part, a connecting part and a mounting block, wherein the mounting block is fixedly connected to a building main body, the movable part comprises a steel rod, a sliding groove for sliding the steel rod is provided on the mounting block, a driving mechanism is provided on the mounting block, the driving mechanism comprises a rotating drum, a mounting groove is provided on the side wall of the sliding groove, the rotating drum is rotatably arranged on the inner side wall of the mounting groove, a first connecting block is fixedly connected to the rotating drum, a second connecting block is fixedly connected to a side of the steel rod close to the rotating drum, a first connecting rod is provided between the first connecting block and the second connecting block, one end of the first connecting rod is hinged to the first connecting block, the other end of the first connecting rod is hinged to the second connecting block, and a rotating assembly for driving the rotating drum to rotate is provided on the mounting block. The present invention can conveniently reduce the labor intensity of operators.

Description

Technical Field

[0001] The invention relates to the technical field of buildings, and in particular to a wall-attached support device for a building facade climbing frame and an installation method thereof. Background Art

[0002] The facade refers to the interface between an object and its external space, as well as its image and composition. The building facade is all the outer protective parts of the building except the roof.

[0003] The prior art can refer to the Chinese patent with authorization announcement number CN113445726B, which discloses a method for installing and debugging a wall-attached support device for a building facade climbing frame, including embedded parts, movable parts, locking parts and connecting parts. The embedded parts are embedded in the main floor slab of the building, one end of the movable part is mounted on one end of the embedded part, and the movable part can slide relative to the embedded part. The locking part is used to removably lock the movable part on the embedded part, and the locking part includes a screw, a double nut and a gasket; the connecting part is provided at one end of the movable part, which is used to connect and erect the facade; a displacement detection device is provided between the embedded part and the movable part, which is used to detect the distance moved by the movable part relative to the embedded part.

[0004] However, when the lateral position of the facade needs to be adjusted, an operator is required to manually push the movable part to move, which increases the labor intensity of the operator. Summary of the invention

[0005] In order to reduce the labor intensity of operators, on the one hand, the present application provides a wall-mounted support device for a building facade climbing frame, which adopts the following technical solution:

[0006] A wall-attached support device for a building facade climbing frame includes a movable part, a connecting part, and a mounting block. The mounting block is fixedly connected to the building body. The movable part includes a steel rod. The mounting block is provided with a sliding groove for the steel rod to slide. The mounting block is provided with a driving mechanism for driving the steel rod to move.

[0007] By adopting the above technical solution, when it is necessary to adjust the lateral displacement of the steel rod, the driving mechanism can be set up to facilitate driving the steel rod to move along the length direction of the mounting block, thereby reducing the labor intensity of the operator and reducing the safety risks of the operator.

[0008] Preferably, the driving mechanism includes a rotating drum, a mounting groove is provided on one side wall of the sliding groove, the rotating drum is rotatably arranged on the inner side wall of the mounting groove, a first connecting block is fixedly connected to the rotating drum, a second connecting block is fixedly connected to the side of the steel rod close to the rotating drum, a first connecting rod is arranged between the first connecting block and the second connecting block, one end of the first connecting rod is hinged to the first connecting block, and the other end of the first connecting rod is hinged to the second connecting block, and a rotating component for driving the rotating drum to rotate is arranged on the mounting block.

[0009] By adopting the above technical solution, when it is necessary to drive the steel rod to move, the rotating drum is first driven to rotate through the rotating assembly, and under the action of the first connecting rod, the steel rod can be driven to move along the length direction of the mounting block.

[0010] Preferably, the rotating assembly includes a polished rod, which is slidably arranged in the mounting groove, and a plurality of threaded blocks are fixedly connected to the polished rod. A plurality of threaded grooves are provided on a side of the rotating cylinder close to the polished rod, and the plurality of threaded blocks correspond to the plurality of threaded grooves one by one. A driving member for driving the polished rod to move is provided on the mounting block.

[0011] By adopting the above technical solution, when the drum needs to be driven to rotate, the driving member first drives the polished rod to move in the vertical direction, and the plurality of thread blocks cooperate with the plurality of thread grooves, thereby facilitating the driving of the drum to rotate.

[0012] Preferably, the driving member includes a driving block, an inner wall of the mounting groove is provided with a driving groove, the driving block is slidably arranged on the inner wall of the driving groove, a lead screw is arranged in the driving groove, the lead screw is rotatably arranged on the inner wall of the driving groove, the lead screw is threadedly matched with the driving block, a motor is installed on the mounting block, and the output shaft of the motor is fixedly connected to one end of the lead screw.

[0013] By adopting the above technical solution, when it is necessary to drive the light rod to move in the vertical direction, the motor is started to drive the output shaft to rotate, and the output shaft of the motor drives the lead screw to rotate, so that it is convenient to drive the light rod to move in the vertical direction. When it is necessary to drive the light rod to reset in the vertical direction, the driving motor is reversed to drive the light rod to reset in the vertical direction.

[0014] Preferably, a guide component for guiding the drive block is provided in the drive groove.

[0015] By adopting the above technical solution, when the driving block moves in the driving groove along the vertical direction, the setting of the guide component can facilitate the guiding of the driving block, thereby facilitating the possibility of the driving block being offset.

[0016] Preferably, the guide assembly comprises a guide rod, both ends of which are fixedly connected to the inner wall of the driving groove, a guide groove is provided on the driving block, and the guide rod is slidably matched with the inner wall of the guide groove.

[0017] By adopting the above technical solution, when the driving block needs to be guided, the setting of the guide rod and the guide groove can facilitate the guiding of the driving block, thereby facilitating the translational movement of the driving block.

[0018] Preferably, the steel rod is provided with a plurality of assisting mechanisms for reducing the friction coefficient between the steel rod and the inner wall of the sliding groove.

[0019] By adopting the above technical solution, when the steel rod moves in the sliding groove along the length direction of the mounting block, the friction coefficient between the steel rod and the inner wall of the sliding groove can be reduced by setting the assist mechanism, thereby facilitating the movement of the steel rod in the sliding groove.

[0020] Preferably, the power-assisting mechanism includes two power-assisting blocks, a through groove is provided on the steel rod, the two power-assisting blocks are slidably arranged on the inner wall of the through groove, guide wheels are installed on the two power-assisting blocks, and the guide wheels can abut against the inner wall of the sliding groove, and a driving component for driving the two power-assisting blocks to move relative to each other is provided on the steel rod.

[0021] By adopting the above technical solution, when it is necessary to facilitate the movement of the steel rod in the sliding groove, the two assisting blocks are first driven by the driving assembly to move relative to each other in the vertical direction. When the guide wheel contacts the inner wall of the sliding groove, the steel rod can be facilitated to move in the sliding groove under the action of the guide wheel.

[0022] Preferably, the driving assembly includes a hydraulic cylinder, the inner side wall of the through groove is provided with a storage groove, the hydraulic cylinder is installed on the inner wall of the storage groove, the piston rod of the hydraulic cylinder is hinged with two second connecting rods, the two second connecting rods are arranged in a one-to-one correspondence with the two power-assisting blocks, and the end of the second connecting rod away from the hydraulic cylinder is hinged to the power-assisting block.

[0023] By adopting the above technical solution, when it is necessary to drive the two boosting blocks to move relative to each other in the vertical direction, the hydraulic cylinder is started to drive the piston rod to move in the horizontal direction. Under the action of the second connecting rod, the two boosting blocks can be driven to move relative to each other in the vertical direction.

[0024] The present application provides a method for installing a wall-mounted support for a building facade climbing frame, which adopts the following technical solution:

[0025] S1: Start the hydraulic cylinder to drive the piston rod to move in the horizontal direction. Under the action of the second connecting rod, the piston rod of the hydraulic cylinder drives the two booster blocks to move relative to each other in the vertical direction. When the guide wheel contacts the inner wall of the sliding groove, the movement of the piston rod of the hydraulic cylinder is stopped.

[0026] S2: Start the motor, drive the lead screw to rotate through the motor, the lead screw drives the drive block to move in the vertical direction, the drive block drives the light rod to move in the vertical direction, the light rod drives the rotating drum to rotate under the cooperation of the thread block and the thread groove, and the first connecting rod can be easily driven to move along the length direction of the mounting block;

[0027] S3: When the steel rod moves to a suitable position, the motor is turned off.

[0028] By adopting the above technical solution, when it is necessary to adjust the lateral position of the steel rod, first start the motor forward or reverse to adjust the position of the steel rod in the sliding groove. At the same time, by abutting the guide wheel against the sliding groove, the friction coefficient between the steel rod and the inner wall of the sliding groove can be reduced, thereby facilitating the movement of the steel rod, and further reducing the labor intensity of the operator.

[0029] In summary, this application has the following beneficial effects:

[0030] 1. When the lateral position of the steel rod needs to be adjusted, the motor is first started to rotate forward or reversely to adjust the position of the steel rod in the sliding groove. At the same time, the guide wheel is abutted against the sliding groove to reduce the friction coefficient between the steel rod and the inner wall of the sliding groove, so that the steel rod can be moved easily, thereby reducing the labor intensity of the operator;

[0031] 2. When the polished rod needs to be driven to move in the vertical direction, the motor is started to drive the output shaft to rotate, and the output shaft of the motor drives the lead screw to rotate, so that the polished rod can be driven to move in the vertical direction. When the polished rod needs to be driven to reset in the vertical direction, the driving motor is reversed to drive the polished rod to reset in the vertical direction;

[0032] 3. When it is necessary to facilitate the movement of the steel rod in the sliding groove, first drive the two assisting blocks to move relative to each other in the vertical direction through the driving assembly. When the guide wheel contacts the inner wall of the sliding groove, the steel rod can be facilitated to move in the sliding groove under the action of the guide wheel. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] Figure 1 It is a schematic diagram of the overall structure of this embodiment;

[0034] Figure 2 is a cross-sectional view showing the sliding groove in this embodiment;

[0035] Figure 3 yes Figure 2 A partial enlarged view of the middle A;

[0036] Figure 4 is a cross-sectional view showing the driving mechanism in this embodiment;

[0037] Figure 5 yes Figure 4 A partial enlarged view of the middle A;

[0038] Figure 6 yes Figure 4 A partial enlarged view of point B in the middle.

[0039] Explanation of the reference numerals in the accompanying drawings: 1. movable part; 11. steel rod; 2. connecting part; 3. mounting block; 31. sliding groove; 4. building main body; 5. driving mechanism; 511. rotating drum; 512. mounting groove; 513. first connecting block; 514. second connecting block; 515. first connecting rod; 52. rotating assembly; 521. bare rod; 522. threaded block; 523. threaded groove; 53. driving part; 531. driving block; 532. driving groove; 533. lead screw; 534. motor; 54. guide assembly; 541. guide rod; 542. guide groove; 6. power-assisting mechanism; 611. power-assisting block; 612. through groove; 613. guide wheel; 62. driving assembly; 621. hydraulic cylinder; 622. storage groove; 623. second connecting rod. DETAILED DESCRIPTION

[0040] The present invention discloses a wall-attached support device for a building facade climbing frame, such as Figure 1 As shown, it includes a movable part 1, a connecting part 2, and a mounting block 3. The mounting block 3 is square and fixedly connected to a building body 4. The movable part 1 includes a steel rod 11. The cross section of the steel rod 11 is square and is arranged in a horizontal direction.

[0041] like Figure 2 and Figure 3 As shown, a sliding groove 31 is provided on the mounting block 3, the cross section of the sliding groove 31 is square and extends along the length direction of the steel rod 11, the steel rod 11 is slidably arranged on the inner side wall of the sliding groove 31 along the length direction of the mounting block 3, and a driving mechanism 5 for driving the steel rod 11 to move is arranged on the mounting block 3. When the lateral displacement of the steel rod 11 needs to be adjusted, the setting of the driving mechanism 5 can facilitate driving the steel rod 11 to move along the length direction of the mounting block 3, thereby facilitating reducing the labor intensity of the operator and reducing the safety risk of the operator.

[0042] like Figure 4As shown, the driving mechanism 5 includes a rotating drum 511, the cross section of which is circular and is arranged in the vertical direction, a mounting groove 512 is provided on the right side wall of the sliding groove 31, the cross section of the mounting groove 512 is square and extends along the length direction of the mounting block 3, one end of the rotating drum 511 is rotatably arranged on the inner side wall of the mounting groove 512 through a bearing, a first connecting block 513 is fixedly connected to the rotating drum 511, the cross section of the first connecting block 513 is square, a second connecting block 514 is fixedly connected to the side of the steel rod 11 close to the rotating drum 511, the cross section of the second connecting block 514 is square, a first connecting rod 515 is arranged between the first connecting block 513 and the second connecting block 514, the cross section of the first connecting rod 515 is square, one end of the first connecting rod 515 is hinged to the first connecting block 513, and the other end of the first connecting rod 515 is hinged to the second connecting block 514, and a rotating component 52 for driving the rotating drum 511 to rotate is arranged on the mounting block 3. When the steel rod 11 needs to be driven to move, the rotating drum 511 is first driven to rotate through the rotating assembly 52 , and under the action of the first connecting rod 515 , the steel rod 11 can be driven to move along the length direction of the mounting block 3 .

[0043] like Figure 4 and Figure 5 As shown, the rotating assembly 52 includes a polished rod 521, the cross section of the polished rod 521 is circular and arranged in the vertical direction, the polished rod 521 is slidably arranged in the mounting groove 512 in the vertical direction, a plurality of threaded blocks 522 are fixedly connected to the polished rod 521, and the plurality of threaded blocks 522 are spirally arranged in the vertical direction, a plurality of threaded grooves 523 are provided on the side of the rotating drum 511 close to the polished rod 521, the threaded grooves 523 extend in the vertical direction, the plurality of threaded blocks 522 are matched with the plurality of threaded grooves 523 in a one-to-one correspondence, and a driving member 53 for driving the polished rod 521 to move is provided on the mounting block 3. When it is necessary to drive the rotating drum 511 to rotate, the polished rod 521 is first driven to move in the vertical direction by the driving member 53, and the plurality of threaded blocks 522 are matched with the plurality of threaded grooves 523, so that the rotating drum 511 can be driven to rotate.

[0044] like Figure 4 As shown, the driving member 53 includes a driving block 531, which is square in shape. A driving groove 532 is provided on an inner wall of the mounting groove 512. The cross section of the driving groove 532 is square and extends in the vertical direction. The driving block 531 is slidably arranged on the inner side wall of the driving groove 532 in the vertical direction. A lead screw 533 is arranged in the driving groove 532. The top end of the lead screw 533 is rotatably arranged on the inner top wall of the driving groove 532 through a bearing. The lead screw 533 penetrates the driving block 531 and the lead screw 533 is threadedly matched with the driving block 531. A motor 534 is installed on the mounting block 3 by bolts. The motor 534 is arranged in the vertical direction, and the output shaft of the motor 534 is fixedly connected to the top end of the lead screw 533.

[0045] When it is necessary to drive the light rod 521 to move in the vertical direction, the motor 534 is started to drive the output shaft to rotate, and the output shaft of the motor 534 drives the lead screw 533 to rotate, so that it is convenient to drive the light rod 521 to move in the vertical direction. When it is necessary to drive the light rod 521 to reset in the vertical direction, the driving motor 534 is reversed to drive the light rod 521 to reset in the vertical direction.

[0046] like Figure 4 and Figure 6 As shown, a guide assembly 54 for guiding the driving block 531 is provided in the driving groove 532; the guide assembly 54 includes a guide rod 541, the cross-section of the guide rod 541 is circular and is arranged in the vertical direction, both ends of the guide rod 541 are fixedly connected to the inner wall of the driving groove 532, and a guide groove 542 is opened on the top of the driving block 531, the cross-section of the guide groove 542 is circular and extends along the vertical square, the guide rod 541 passes through the guide groove 542, and the guide rod 541 and the inner wall of the guide groove 542 slide in the vertical direction.

[0047] When the driving block 531 moves in the driving slot 532 along the vertical direction, the setting of the guide rod 541 and the guide slot 542 can facilitate the guiding of the driving block 531, thereby reducing the possibility of the driving block 531 being offset, and further facilitating the translational movement of the driving block 531.

[0048] like Figure 2 and Figure 3 As shown, the steel rod 11 is provided with a plurality of assisting mechanisms 6 for reducing the friction coefficient between the steel rod 11 and the inner wall of the sliding groove 31. When the steel rod 11 moves in the sliding groove 31 along the length direction of the mounting block 3, the assisting mechanism 6 can be provided to reduce the friction coefficient between the steel rod 11 and the inner wall of the sliding groove 31, thereby facilitating the movement of the steel rod 11 in the sliding groove 31.

[0049] like Figure 2 and Figure 3 As shown, the power-assisting mechanism 6 includes two power-assisting blocks 611, which are square in shape. A through slot 612 is provided on the steel rod 11. The cross section of the through slot 612 is square and extends in the vertical direction. The two power-assisting blocks 611 are slidably arranged on the inner wall of the through slot 612 in the vertical direction. Guide wheels 613 are installed on the two power-assisting blocks 611 by bolts. The two guide wheels 613 are arranged opposite to each other, and the guide wheels 613 can abut against the inner wall of the sliding slot 31. A driving component 62 for driving the two power-assisting blocks 611 to move relative to each other is provided on the steel rod 11.

[0050] When it is necessary to facilitate the movement of the steel rod 11 in the sliding groove 31, the two assisting blocks 611 are first driven by the driving assembly 62 to move relative to each other in the vertical direction. When the guide wheel 613 contacts the inner wall of the sliding groove 31, the guide wheel 613 acts to facilitate the movement of the steel rod 11 in the sliding groove 31.

[0051] like Figure 2 and Figure 3 As shown, the driving assembly 62 includes a hydraulic cylinder 621, which is arranged along the length direction of the steel rod 11. A storage groove 622 is opened on the inner wall of the through groove 612. The cross-section of the storage groove 622 is circular and extends along the length direction of the steel rod 11. The hydraulic cylinder 621 is installed on the inner wall of the storage groove 622 by bolts. The piston rod of the hydraulic cylinder 621 is hinged with two second connecting rods 623. The cross-section of the second connecting rod 623 is square. The two second connecting rods 623 are arranged in a one-to-one correspondence with the two power-assisting blocks 611, and the end of the second connecting rod 623 away from the hydraulic cylinder 621 is hinged to the power-assisting block 611.

[0052] When it is necessary to drive the two boosting blocks 611 to move relative to each other in the vertical direction, the hydraulic cylinder 621 is started to drive the piston rod to move in the horizontal direction. Under the action of the second connecting rod 623, the two boosting blocks 611 can be driven to move relative to each other in the vertical direction.

[0053] The present application also discloses a method for installing a wall-mounted support for a building facade climbing frame, comprising the following steps:

[0054] S1: Start the hydraulic cylinder 621 to drive the piston rod to move in the horizontal direction. Under the action of the second connecting rod 623, the piston rod of the hydraulic cylinder 621 drives the two booster blocks 611 to move relative to each other in the vertical direction. When the guide wheel 613 abuts against the inner wall of the sliding groove 31, the movement of the piston rod of the hydraulic cylinder 621 is stopped.

[0055] S2: Start the motor 534, drive the lead screw 533 to rotate through the motor 534, the lead screw 533 drives the driving block 531 to move in the vertical direction, the driving block 531 drives the light rod 521 to move in the vertical direction, the light rod 521 drives the rotating drum 511 to rotate under the cooperation of the threaded block 522 and the threaded groove 523, and the first connecting rod 515 is arranged to facilitate driving the steel rod 11 to move along the length direction of the mounting block 3;

[0056] S3: When the steel rod 11 moves to a suitable position, the motor 534 is turned off.

[0057] When the lateral position of the steel rod 11 needs to be adjusted, first start the motor 534 to rotate forward or reversely to adjust the position of the steel rod 11 in the sliding groove 31. At the same time, the guide wheel 613 is abutted against the sliding groove 31 to reduce the friction coefficient between the steel rod 11 and the inner wall of the sliding groove 31, thereby facilitating the movement of the steel rod 11 and further reducing the labor intensity of the operator.

[0058] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A wall-mounted support device for a building facade climbing frame, comprising a movable part (1) and a connecting part (2), characterized in that: The movable member (1) comprises a mounting block (3), wherein the mounting block (3) is fixedly connected to a building body (4); the movable member (1) comprises a steel rod (11); a sliding groove (31) for the steel rod (11) to slide is provided on the mounting block (3); and a driving mechanism (5) for driving the steel rod (11) to move is provided on the mounting block (3); The steel rod (11) is provided with a plurality of assisting mechanisms (6) for reducing the friction coefficient between the steel rod (11) and the inner wall of the sliding groove (31); The power-assisting mechanism (6) comprises two power-assisting blocks (611), a through slot (612) is provided on the steel rod (11), the two power-assisting blocks (611) are slidably arranged on the inner wall of the through slot (612), the two power-assisting blocks (611) are both provided with guide wheels (613), the guide wheels (613) can abut against the inner wall of the sliding slot (31), and the steel rod (11) is provided with a driving component (62) for driving the two power-assisting blocks (611) to move relative to each other.

2. A building facade climbing frame machine position wall support device according to claim 1, characterized in that: The driving mechanism (5) comprises a rotating drum (511), a mounting groove (512) is provided on one side wall of the sliding groove (31), the rotating drum (511) is rotatably arranged on the inner side wall of the mounting groove (512), a first connecting block (513) is fixedly connected to the rotating drum (511), a second connecting block (514) is fixedly connected to the side of the steel rod (11) close to the rotating drum (511), a first connecting rod (515) is arranged between the first connecting block (513) and the second connecting block (514), one end of the first connecting rod (515) is hinged to the first connecting block (513), and the other end of the first connecting rod (515) is hinged to the second connecting block (514), and a rotating assembly (52) for driving the rotating drum (511) to rotate is arranged on the mounting block (3).

3. A building facade climbing frame machine position wall support device according to claim 2, characterized in that: The rotating assembly (52) comprises a polished rod (521), the polished rod (521) being slidably disposed in the mounting groove (512), a plurality of threaded blocks (522) being fixedly connected to the polished rod (521), a plurality of threaded grooves (523) being provided on a side of the rotating cylinder (511) close to the polished rod (521), the plurality of threaded blocks (522) being matched with the plurality of threaded grooves (523) in a one-to-one correspondence, and a driving member (53) for driving the polished rod (521) to move is provided on the mounting block (3).

4. A building facade climbing frame machine position wall support device according to claim 3, characterized in that: The driving member (53) comprises a driving block (531), an inner wall of the mounting groove (512) is provided with a driving groove (532), the driving block (531) is slidably arranged on the inner wall of the driving groove (532), a lead screw (533) is arranged in the driving groove (532), the lead screw (533) is rotatably arranged on the inner wall of the driving groove (532), the lead screw (533) is threadedly matched with the driving block (531), a motor (534) is installed on the mounting block (3), and an output shaft of the motor (534) is fixedly connected to one end of the lead screw (533).

5. A building facade climbing frame machine position wall support device according to claim 4, characterized in that: A guide assembly (54) for guiding the drive block (531) is arranged in the drive groove (532).

6. A building facade climbing frame machine position wall support device according to claim 5, characterized in that: The guide assembly (54) comprises a guide rod (541), both ends of which are fixedly connected to the inner wall of the driving groove (532), the driving block (531) is provided with a guide groove (542), and the guide rod (541) is slidably matched with the inner wall of the guide groove (542).

7. A building facade climbing frame machine position wall support device according to claim 6, characterized in that: The driving assembly (62) comprises a hydraulic cylinder (621), the inner side wall of the through groove (612) is provided with a storage groove (622), the hydraulic cylinder (621) is installed on the inner wall of the storage groove (622), the piston rod of the hydraulic cylinder (621) is hinged with two second connecting rods (623), the two second connecting rods (623) are arranged in a one-to-one correspondence with the two boosting blocks (611), and one end of the second connecting rod (623) away from the hydraulic cylinder (621) is hinged to the boosting block (611).

8. A method for installing a wall-mounted support for a building facade climbing frame, based on a wall-mounted support device for a building facade climbing frame as claimed in claim 7, characterized in that: The construction steps include: S1: starting the hydraulic cylinder (621) to drive the piston rod to move in the horizontal direction. Under the action of the second connecting rod (623), the piston rod of the hydraulic cylinder (621) drives the two booster blocks (611) to move relative to each other in the vertical direction. When the guide wheel (613) contacts the inner wall of the sliding groove (31), the movement of the piston rod of the hydraulic cylinder (621) is stopped. S2: starting the motor (534), driving the lead screw (533) to rotate through the motor (534), the lead screw (533) driving the driving block (531) to move in the vertical direction, the driving block (531) driving the light rod (521) to move in the vertical direction, the light rod (521) driving the rotating drum (511) to rotate under the cooperation of the threaded block (522) and the threaded groove (523), and through the provision of the first connecting rod (515), it is possible to facilitate driving the steel rod (11) to move along the length direction of the mounting block (3); S3: When the steel rod (11) moves to a suitable position, the motor (534) is turned off.

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