Composite thermal insulation building block transport equipment

Abstract

The application discloses a kind of composite thermal insulation building block transport equipment for construction engineering, belong to building block transport technical field, including mobile base and transport mechanism, the transport mechanism includes: support frame, sliding assembly, slide rail, fixed frame, compression rod, connecting component and adjusting component;The sliding assembly is installed between the support frame and mobile base, the position of the support frame can be adjusted on mobile base, it is convenient to stack and unload operation to building block, two groups of moving frames can be driven simultaneously by driving assembly to move relatively, make contact component contact with building block surface, first, the building block is positioned and clamped in horizontal direction, the compression rod can be positioned and clamped in vertical direction to building block in the process of moving frame continues to move, realize the position of building block on support frame fixed, and effectively avoid building block to appear falling and corner damage condition in the process of transportation, can realize quickly to the position of building block fixed, guarantee transport effect.

Description

Technical Field

[0001] This invention belongs to the field of block transportation technology, and in particular relates to a composite insulation block transportation device for building engineering. Background Technology

[0002] Thermal insulation blocks are a type of building insulation material. They are blocks made of sintered insulation materials and are widely used in building exterior wall insulation, underground pipe insulation and other fields due to their lightweight and heat insulation properties. At the same time, thermal insulation blocks are also a new type of product that can replace ceramic tiles. They are mainly suitable for bathrooms, kitchens, TV background walls, bedrooms, exterior walls and so on.

[0003] When transporting thermal insulation blocks, they are usually stacked on transport trolleys before being transported. During transport, it is not easy to quickly and effectively fix the blocks in place, which can easily lead to blocks falling off or being damaged at corners, affecting the transport efficiency.

[0004] To avoid the aforementioned technical problems, it is indeed necessary to provide a composite insulation block transportation device for building engineering to overcome the deficiencies in the prior art. Summary of the Invention

[0005] The purpose of this invention is to provide a composite insulation block transportation device for building engineering, so as to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, the present invention provides the following technical solution:

[0007] A composite insulation block transport device for building construction includes a mobile base and a transport mechanism, wherein the transport mechanism includes:

[0008] A support frame is located above the movable base. A sliding assembly is installed between the support frame and the movable base to allow the support frame to be adjusted in position on the movable base. A slide rail is installed on the top side of the movable base, and a moving rod is installed inside the slide rail. A moving frame is installed at one end of the moving rod that extends out of the slide rail. A vertical fixed frame is provided on the side of the moving frame near the support frame, and a clamping rod is installed on the fixed frame. The clamping rod is slidably connected to the fixed frame.

[0009] A connecting component is installed between the fixed frame and the movable frame, and an adjusting component is installed between the clamping rod and the movable frame to move the clamping rod vertically when the distance between the fixed frame and the movable frame changes. Two movable frames are provided and symmetrically distributed on both sides of the movable base. A driving component is installed between the two movable frames to drive the two movable frames to move relative to each other along the slide rail. Contact components are installed on both the clamping rod and the fixed frame for contact with the surface of the block.

[0010] As a further technical solution of the present invention: the sliding component includes:

[0011] A sliding groove is located on the top side of the movable base. The support frame is parallel to the top side of the movable base. One end of the support frame extends out of the movable base and is equipped with a fixed frame. A movable wheel is installed at the bottom end of the fixed frame. A pulley is installed on the bottom side of the other end of the support frame. The pulley is located inside the sliding groove and is used to move the support frame along the sliding groove.

[0012] As a further technical solution of the present invention: the connecting component includes:

[0013] A limiting hole is located at the top of the movable frame. A horizontal limiting rod is provided inside the limiting hole. One end of the limiting rod is fixedly connected to the fixed frame, and the other end passes through the movable frame and is fitted with a baffle. A first elastic element is sleeved on the outside of the limiting rod. One end of the first elastic element is connected to the movable frame, and the other end is connected to the fixed frame.

[0014] As a further technical solution of the present invention: the adjustment component includes:

[0015] A slot is located at the bottom end of the fixed frame near the movable frame. A first hinge seat is installed on the side of the bottom end of the clamping rod. The first hinge seat is located inside the slot. A second elastic element is installed at the bottom end of the clamping rod. The second elastic element is located inside the fixed frame. A second hinge seat is installed on the movable frame. A connecting rod is installed between the first hinge seat and the second hinge seat. Both ends of the connecting rod are rotatably connected to the first hinge seat and the second hinge seat.

[0016] As a further technical solution of the present invention: the driving component includes:

[0017] A motor frame is fixedly installed at the middle of the bottom of the movable base. A driving component is fixedly installed on the motor frame. A driving rod is fixedly installed at the output end of the driving component. The driving rod passes through the bottom of the movable frame and is threadedly connected to the movable frame. The driving rod is parallel to the movable rod.

[0018] As a further technical solution of the present invention: the contact component includes:

[0019] A clamping plate is located on the side of the fixed frame away from the movable frame. An iron block is installed on the side of the clamping plate near the fixed frame, and an airbag is installed on the other side of the clamping plate. The cross-sectional shape of the airbag on the side away from the fixed frame is wavy. Positioning frames are installed on both the fixed frame and the clamping rod. Multiple positioning frames are provided and evenly distributed on the side of the fixed frame away from the movable frame. Magnets are installed inside the positioning frames. The iron block is detachably connected to the positioning frames.

[0020] As a further technical solution of the present invention: a positioning ring is installed at the end of the support frame away from the fixed frame, a positioning hole is provided on the movable base, a positioning rod is installed inside the positioning hole, a positioning frame is installed at the top of the positioning rod, the positioning frame is in the shape of a barb, a fixing plate is installed at the bottom of the positioning rod, a third elastic element is installed between the fixing plate and the movable base, the third elastic element is sleeved on the outside of the positioning rod, and is used to connect the positioning frame and the positioning ring to fix the position of the support frame on the movable base.

[0021] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0022] This invention provides a composite thermal insulation block transportation device for building engineering. A sliding component is installed between the support frame and the movable base. The support frame can be adjusted in position on the movable base to facilitate the stacking and unloading of blocks. A driving component can simultaneously drive two sets of movable frames to move relative to each other, so that the contact component contacts the surface of the block. First, the block is clamped in the horizontal direction. As the movable frame continues to move, the clamping rod clamps the block in the vertical direction, fixing the position of the block on the support frame. This effectively prevents the block from falling or breaking at corners during transportation, enabling rapid positioning of the block and ensuring transportation efficiency. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the structure of the present invention.

[0024] Figure 2 This is a schematic diagram of the structure on the movable base in this invention.

[0025] Figure 3 This is a schematic diagram of the structure of the support frame extending from the movable base in this invention.

[0026] Figure 4 In this invention Figure 1 A frontal view of the structural diagram.

[0027] Figure 5 This is a schematic diagram of the structure of the connecting component and the adjusting component in this invention.

[0028] Figure 6 This is a schematic diagram of the structure of the bottom side of the movable base in this invention.

[0029] Figure 7 This is a schematic diagram of the structure between the movable frame and the fixed frame in this invention.

[0030] Figure 8 This is a schematic diagram of the structure of the fixing frame and the clamping rod in this invention.

[0031] Figure 9This is a schematic diagram of the structure between the support frame and the movable base in this invention.

[0032] Figure 10 This is a schematic diagram of the contact component in this invention.

[0033] In the attached diagram: 1-Moving base, 2-Support frame, 3-Sliding assembly, 31-Slide groove, 32-Fixed frame, 33-Moving wheel, 34-Pulley, 4-Slide rail, 5-Moving rod, 6-Moving frame, 7-Fixed frame, 8-Pressure rod, 9-Connecting assembly, 91-Limiting hole, 92-Limiting rod, 93-Baffle, 94-First elastic element, 10-Adjusting assembly, 101-Slot, 102-First hinge seat, 103- Second elastic element, 104-Second hinge seat, 105-Connecting rod, 11-Drive assembly, 111-Motor frame, 112-Drive element, 113-Drive rod, 12-Contact assembly, 121-Clamping plate, 122-Iron block, 123-Airbag, 124-Positioning frame, 125-Magnet, 13-Positioning ring, 14-Positioning hole, 15-Positioning rod, 16-Positioning frame, 17-Fixing plate, 18-Third elastic element. Detailed Implementation

[0034] To make the objectives, technical solutions, and advantages of this invention clearer, the invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and not intended to limit the invention.

[0035] The specific implementation of the present invention will be described in detail below with reference to specific embodiments.

[0036] like Figures 1-10 As shown in the embodiment provided by the present invention, a composite thermal insulation block transportation device for building engineering includes a movable base 1 and a transportation mechanism, wherein the transportation mechanism includes:

[0037] A support frame 2 is located above the movable base 1. A sliding component 3 is installed between the support frame 2 and the movable base 1 to allow the support frame 2 to be adjusted in position on the movable base 1. A slide rail 4 is installed on the top side of the movable base 1. A moving rod 5 is installed inside the slide rail 4. A moving frame 6 is installed at one end of the moving rod 5 that extends out of the slide rail 4. A vertical fixing frame 7 is provided on the side of the moving frame 6 near the support frame 2. A clamping rod 8 is installed on the fixing frame 7. The clamping rod 8 is slidably connected to the fixing frame 7.

[0038] A connecting component 9 is installed between the fixed frame 7 and the movable frame 6. An adjusting component 10 is installed between the pressing rod 8 and the movable frame 6, which is used to move the pressing rod 8 vertically when the distance between the fixed frame 7 and the movable frame 6 changes. Two movable frames 6 are provided and symmetrically distributed on both sides of the movable base 1. A driving component 11 is installed between the two movable frames 6, which is used to drive the two movable frames 6 to move relative to each other along the slide rail 4. A contact component 12 is installed on both the pressing rod 8 and the fixed frame 7, which is used to contact the surface of the block.

[0039] In this embodiment, a sliding component 3 is installed between the support frame 2 and the movable base 1. The support frame 2 can be adjusted in position on the movable base 1 to facilitate the stacking and unloading of blocks. The driving component 11 can simultaneously drive two sets of movable frames 6 to move relative to each other, so that the contact component 12 contacts the surface of the block. First, the block is clamped in the horizontal direction. As the movable frame 6 continues to move, the clamping rod 8 can clamp the block in the vertical direction, thus fixing the position of the block on the support frame 2 and effectively preventing the block from falling or breaking at corners during transportation. It can quickly fix the position of the block and ensure the transportation effect. The movable rod 5 is slidably connected to the slide rail 4 and is horizontal, which facilitates the horizontal movement of the movable frame 6. The top of the clamping rod 8 is U-shaped, which facilitates the vertical clamping operation of the block.

[0040] In one embodiment of the present invention, please refer to Figures 1-10 The sliding component 3 includes:

[0041] The slide 31 is located on the top side of the movable base 1. The support frame 2 is parallel to the top side of the movable base 1. One end of the support frame 2 extends out of the movable base 1 and is equipped with a fixed frame 32. The bottom end of the fixed frame 32 is equipped with a movable wheel 33. The bottom side of the other end of the support frame 2 is equipped with a pulley 34. The pulley 34 is located inside the slide 31 and is used to move the support frame 2 along the slide 31.

[0042] In this embodiment, the top side of the movable base 1 is provided with two straight sliding grooves 31. A pulley 34 is installed on the bottom side of one end of the support frame 2. The pulley 34 is located inside the sliding groove 31 and moves along the sliding groove 31. The other end of the support frame 2 extends out of the movable base 1 and is fixedly installed with a vertical fixed frame 32. The bottom end of the fixed frame 32 is equipped with a movable wheel 33, which facilitates the support frame 2 and allows the support frame 2 to move stably along the sliding groove 31, facilitating the loading and unloading of blocks.

[0043] A positioning ring 13 is installed at the end of the support frame 2 away from the fixed frame 32. A positioning hole 14 is provided on the movable base 1. A positioning rod 15 is installed inside the positioning hole 14. A positioning frame 16 is installed at the top of the positioning rod 15. The positioning frame 16 is hook-shaped. A fixing plate 17 is installed at the bottom of the positioning rod 15. A third elastic element 18 is installed between the fixing plate 17 and the movable base 1. The third elastic element 18 is sleeved on the outside of the positioning rod 15 to connect the positioning frame 16 and the positioning ring 13, thereby fixing the position of the support frame 2 on the movable base 1. The positioning ring 13 is fixed... The positioning rod 15 is fixedly installed on the support frame 2 and is horizontal. It can move vertically along the positioning hole 14. The third elastic element 18 can be a spring or rubber, etc. In this embodiment, the third elastic element 18 is a spring. The third elastic element 18 can facilitate the tight connection between the positioning frame 16 and the positioning ring 13. The positioning frame 16 is hook-shaped. When the support frame 2 moves to the moving base 1, the positioning frame 16 and the positioning ring 13 can be connected by compressing the third elastic element 18, so as to fix the position of the support frame 2 on the moving base 1 and facilitate the stability of the blocks during transportation.

[0044] In one embodiment of the present invention, please refer to Figures 1-10 The connection component 9 includes:

[0045] A limiting hole 91 is located at the top of the movable frame 6. A horizontal limiting rod 92 is provided inside the limiting hole 91. One end of the limiting rod 92 is fixedly connected to the fixed frame 7, and the other end passes through the movable frame 6 and is fitted with a baffle 93. A first elastic member 94 is sleeved on the outside of the limiting rod 92. One end of the first elastic member 94 is connected to the movable frame 6, and the other end is connected to the fixed frame 7.

[0046] The adjustment component 10 includes:

[0047] The slot 101 is located at the bottom end of the fixed frame 7 near the movable frame 6. A first hinge seat 102 is installed on the bottom side of the clamping rod 8. The first hinge seat 102 is located inside the slot 101. A second elastic element 103 is installed at the bottom end of the clamping rod 8. The second elastic element 103 is located inside the fixed frame 7. A second hinge seat 104 is installed on the movable frame 6. A connecting rod 105 is installed between the first hinge seat 102 and the second hinge seat 104. Both ends of the connecting rod 105 are rotatably connected to the first hinge seat 102 and the second hinge seat 104.

[0048] In this embodiment, the top of the movable frame 6 is provided with a horizontal limiting hole 91, and a limiting rod 92 is provided inside the limiting hole 91. The limiting rod 92 can move horizontally along the limiting hole 91. The limiting rod 92 is parallel to the movable rod 5. One end of the limiting rod 92 is fixedly connected to the fixed frame 7, and the other end is fixedly installed with a baffle 93. The first elastic element 94 can be a spring or rubber, etc. In this embodiment, the first elastic element 94 is a spring. The first elastic element 94 is located between the movable frame 6 and the fixed frame 7, which can make the contact component 12 on the fixed frame 7 fully contact the surface of the block, so as to realize the limiting and fixing operation of the block.

[0049] The fixed frame 7 has a slot 101 at its bottom end near the movable frame 6. A first hinge seat 102 is installed on the outer side of the bottom end of the clamping rod 8. The first hinge seat 102 is located inside the slot 101. When the clamping rod 8 moves vertically along the inner side of the fixed frame 7, the first hinge seat 102 moves synchronously with the clamping rod 8. A second elastic element 103 is installed between the bottom end of the clamping rod 8 and the fixed frame 7. The second elastic element 103 can be a spring or rubber, etc. In this embodiment, the second elastic element 103 is a spring. The movable frame 6 has a second hinge seat 102 installed on its side near the fixed frame 7. 04. A connecting rod 105 is installed between the first hinge seat 102 and the second hinge seat 104. Rolling bearings are installed at both ends of the connecting rod 105 between the first hinge seat 102 and the second hinge seat 104. When the distance between the fixed frame 7 and the moving frame 6 changes, the clamping rod 8 can be driven to move vertically along the fixed frame 7 to achieve horizontal positioning and fixing of the block. Then, as the moving frame 6 continues to move, the clamping rod 8 can perform vertical positioning and fixing of the block, ensuring the stability of the block on the support frame 2 and facilitating transportation.

[0050] In one embodiment of the present invention, please refer to Figures 1-10 The driving component 11 includes:

[0051] A motor frame 111 is fixedly installed at the bottom center of the movable base 1. A drive component 112 is fixedly installed on the motor frame 111. A drive rod 113 is fixedly installed at the output end of the drive component 112. The drive rod 113 passes through the bottom of the movable frame 6 and is threadedly connected to the movable frame 6. The drive rod 113 is parallel to the movable rod 5.

[0052] The contact component 12 includes:

[0053] A clamping plate 121 is located on the side of the fixed frame 7 away from the movable frame 6. An iron block 122 is installed on the side of the clamping plate 121 near the fixed frame 7. An airbag 123 is installed on the other side of the clamping plate 121. The cross-sectional shape of the airbag 123 on the side away from the fixed frame 7 is wavy. Positioning frames 124 are installed on both the fixed frame 7 and the clamping rod 8. Multiple positioning frames 124 are provided and evenly distributed on the side of the fixed frame 7 away from the movable frame 6. A magnet 125 is installed inside the positioning frame 124. The iron block 122 is detachably connected to the positioning frame 124.

[0054] In this embodiment, a motor frame 111 is fixedly installed in the middle of the movable base 1, and a drive component 112 is fixedly installed on the motor frame 111. The drive component 112 can be a rotary motor or a stepper motor, etc. In this embodiment, the drive component 112 is a dual-axis motor. Both output ends of the drive component 112 are equipped with drive rods 113. In this embodiment, the drive rods 113 are threaded rods. The bottom end of the movable frame 6 is provided with a screw hole. The inner side of the screw hole is threadedly connected to the outer side of the drive rod 113. By controlling the drive component 112, the two movable frames 6 can move relative to each other, which facilitates the limiting and fixing operation of the blocks and realizes the quick and automatic limiting and fixing of the blocks on the support frame 2.

[0055] The fixed frame 7 has a horizontal clamping plate 121 on the side away from the moving frame 6. An iron block 122 is installed on one side of the clamping plate 121. Positioning frames 124 are installed on the side of the fixed frame 7 and the clamping rod 8. A magnet 125 is fixedly installed inside the positioning frame 124. The clamping plate 121 can be quickly installed and removed by the magnet 125, the iron block 122 and the positioning frame 124, which facilitates the adjustment of the position of the clamping plate 121 according to the block. An airbag 123 is fixedly installed on the other side of the clamping plate 121. The airbag 123 is long and narrow. The side of the airbag 123 away from the clamping plate 121 is wavy, which can effectively increase the friction between the airbag 123 and the block and effectively limit and fix the block. This effectively avoids damage to the block during the limiting and fixing operation. The airbag 123 can effectively protect the corners of the block and improve the working efficiency of block transportation.

[0056] The working principle of this invention is:

[0057] In this invention, when stacking the blocks, the support frame 2 extends out of the movable base 1, making it convenient for workers to place the blocks on the support frame 2. After stacking, the support frame 2 is moved so that the positioning ring 13 on the support frame 2 connects with the positioning frame 16, thus fixing the position of the support frame 2 on the movable base 1. Then, the drive component 112 is controlled to move the movable frame 6 closer to the blocks. The contact component 12 on the fixed frame 7 first contacts the surface of the blocks, and then, as the movable frame 6 continues to move, it performs a horizontal limiting and fixing operation on the blocks, further reducing the distance between the fixed frame 7 and the movable frame 6, and affecting the first elastic element 9. 4. Compression is performed. The first hinge seat 102, the second hinge seat 104 and the connecting rod 105 can compress the clamping rod 8 onto the second elastic element 103, so that the clamping rod 8 moves downward and limits the vertical position of the block, ensuring that the block is fixed on the support frame 2. The whole operation process is convenient and realizes automatic limiting and fixing of the block. Then the block is transported. When it is transported to the designated position, the output end of the control drive 112 is reversed and the positioning frame 16 is separated from the positioning ring 13. At this time, the support frame 2 is moved away from the moving base 1, which facilitates the unloading operation of the block. The operation process is convenient.

[0058] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

[0059] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A composite insulation block transportation device for building construction, comprising a movable base (1) and a transportation mechanism, characterized in that, The transportation agencies include: A support frame (2) is located above the movable base (1). A sliding component (3) is installed between the support frame (2) and the movable base (1) to allow the support frame (2) to be adjusted in position on the movable base (1). A slide rail (4) is installed on the top side of the movable base (1). A moving rod (5) is installed inside the slide rail (4). A moving frame (6) is installed at one end of the moving rod (5) extending out of the slide rail (4). A vertical fixed frame (7) is provided on the side of the moving frame (6) near the support frame (2). A clamping rod (8) is installed on the fixed frame (7). The clamping rod (8) is slidably connected to the fixed frame (7). A connecting component (9) is installed between the fixed frame (7) and the movable frame (6), and an adjusting component (10) is installed between the clamping rod (8) and the movable frame (6) for moving the clamping rod (8) vertically when the distance between the fixed frame (7) and the movable frame (6) changes. There are two movable frames (6) symmetrically distributed on both sides of the movable base (1). A driving component (11) is installed between the two movable frames (6) for simultaneously driving the two movable frames (6) to move relative to each other along the slide rail (4). A contact component (12) is installed on both the clamping rod (8) and the fixed frame (7) for contacting the surface of the block. The sliding component (3) includes: The slide groove (31) is located on the top side of the movable base (1). The support frame (2) is parallel to the top side of the movable base (1). One end of the support frame (2) extends out of the movable base (1) and is equipped with a fixed frame (32). The bottom end of the fixed frame (32) is equipped with a moving wheel (33). The bottom side of the other end of the support frame (2) is equipped with a pulley (34). The pulley (34) is located inside the slide groove (31) and is used to move the support frame (2) along the slide groove (31). The contact assembly (12) includes: A clamping plate (121) is located on the side of the fixed frame (7) away from the movable frame (6). An iron block (122) is installed on the side of the clamping plate (121) close to the fixed frame (7). An airbag (123) is installed on the other side of the clamping plate (121). The cross-sectional shape of the airbag (123) on the side away from the fixed frame (7) is wavy. A positioning frame (124) is installed on both the fixed frame (7) and the clamping rod (8). Multiple positioning frames (124) are provided and evenly distributed on the side of the fixed frame (7) away from the movable frame (6). A magnet (125) is installed inside the positioning frame (124). The iron block (122) and the positioning frame (124) are detachably connected. The support frame (2) has a positioning ring (13) installed at the end away from the fixed frame (32). The movable base (1) has a positioning hole (14). A positioning rod (15) is installed inside the positioning hole (14). A positioning frame (16) is installed at the top of the positioning rod (15). The positioning frame (16) is in the shape of a barb. A fixing plate (17) is installed at the bottom of the positioning rod (15). A third elastic element (18) is installed between the fixing plate (17) and the movable base (1). The third elastic element (18) is sleeved on the outside of the positioning rod (15) to connect the positioning frame (16) and the positioning ring (13) and fix the position of the support frame (2) on the movable base (1).

2. The composite insulation block transportation equipment for building construction according to claim 1, characterized in that, The connection component (9) includes: A limiting hole (91) is located at the top of the movable frame (6). A horizontal limiting rod (92) is provided inside the limiting hole (91). One end of the limiting rod (92) is fixedly connected to the fixed frame (7), and the other end passes through the movable frame (6) and is fitted with a baffle (93). A first elastic element (94) is sleeved on the outside of the limiting rod (92). One end of the first elastic element (94) is connected to the movable frame (6), and the other end is connected to the fixed frame (7).

3. The composite insulation block transportation equipment for building engineering according to claim 2, characterized in that, The adjustment component (10) includes: The slot (101) is located at the bottom end of the fixed frame (7) near the movable frame (6). A first hinge seat (102) is installed on the side of the bottom end of the clamping rod (8). The first hinge seat (102) is located inside the slot (101). A second elastic element (103) is installed at the bottom end of the clamping rod (8). The second elastic element (103) is located inside the fixed frame (7). A second hinge seat (104) is installed on the movable frame (6). A connecting rod (105) is installed between the first hinge seat (102) and the second hinge seat (104). Both ends of the connecting rod (105) are rotatably connected to the first hinge seat (102) and the second hinge seat (104).

4. The composite insulation block transportation equipment for building construction according to claim 3, characterized in that, The driving component (11) includes: A motor frame (111) is fixedly installed at the bottom center of the movable base (1). A drive component (112) is fixedly installed on the motor frame (111). A drive rod (113) is fixedly installed at the output end of the drive component (112). The drive rod (113) passes through the bottom of the movable frame (6) and is threadedly connected to the movable frame (6). The drive rod (113) is parallel to the movable rod (5).

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