Adjustable construction support anti-skid construction platform

Abstract

The application provides an anti-skid construction platform of an adjustable construction support, and relates to the technical field of building construction equipment. The construction support is composed of rectangular square tubes, the frame of the top plate is consistent with the structure of the construction support and is also composed of rectangular square tubes, the middle part of the top plate is a steel plate, the four corners of the construction support and the top plate are fixedly connected through vertical support edge bars, and the support edge bars are square tube structures. The application can make the construction personnel feel safer when working on the construction platform by treading on the top plate with a high edge and a low inner part, prevent side slipping out of the platform, improve the safety of high-altitude work, and further improve the safety of high platform construction through the anti-skid treatment of the inclined surface of the top plate. In addition, the sewage pipe at the low concave part of the top plate can timely drain the sewage and sludge stored on the top plate, preventing the construction personnel from slipping and falling.

Description

Technical Field

[0001] This invention relates to the field of construction equipment technology, and in particular to an adjustable construction support anti-slip construction platform. Background Technology

[0002] Building construction refers to the construction of various building products in a certain space and time using various building materials and equipment according to specific design drawings. In the field of building construction, construction platforms or scaffolds are needed to facilitate construction workers to work at heights. At the same time, construction workers need to use construction tools and materials when working at heights. Therefore, it is necessary to transport construction tools and materials together to the height of the scaffold to facilitate construction work.

[0003] When transporting construction tools and materials to a high position on the construction scaffold, it is usually necessary to use an additional hoist for transportation or have construction workers carry them individually. During the process of construction workers carrying them, there is a risk of falling, and the center of gravity may shift, causing the construction platform to slip. Moreover, when stepping on the construction platform, the surface of the platform is usually a flat plate structure with an anti-slip structure. However, when sewage or water generated during the construction process accumulates on the platform, the anti-slip structure on the surface of the platform will lose its anti-slip function. Summary of the Invention

[0004] This invention relates to an adjustable construction support anti-slip construction platform. The top plate has four concave corners that slope inwards towards the center, and the inclined surface of the top plate is treated with a frosted anti-slip finish. The center of the top plate has a rectangular feed inlet running vertically through it. Drainage pipes are vertically installed in the concave areas on both sides of the feed inlet, with the lower ends of the drainage pipes facing the gap on the lifting frame side. The concave top plate, with its higher edges and lower interior, provides greater safety for workers operating on the platform, preventing them from slipping off and improving the safety of working at heights. Furthermore, the anti-slip treatment on the inclined surface of the top plate further enhances the safety of high-platform construction. The drainage pipes in the concave areas of the top plate can promptly drain wastewater and mud accumulated on the top plate, preventing them from remaining and causing slippage hazards for workers.

[0005] The present invention provides an anti-slip construction platform of an adjustable construction support, which specifically comprises: a construction underframe; the construction underframe is formed by rectangular square tubes, the frame of a top plate has the same structure as that of the construction underframe and is also formed by rectangular square tubes, the middle part of the top plate is a steel plate, the four corners of the construction underframe and the top plate are respectively fixedly connected through vertical supporting side rods, and the supporting side rods are of a square tube structure; anti-slip shaft seats are respectively and fixedly arranged at positions staggered front and back at the left and right ends of the construction underframe, a limiting fixing seat is fixedly welded on the outer side wall of the construction underframe at one end of the anti-slip shaft seat, and a magnetic support is horizontally and fixedly welded on the inner side wall of the construction underframe at the other end of the anti-slip shaft seat; the middle part of the construction underframe is a material lifting frame.

[0006] Optionally, universal wheels with brakes are respectively fixedly arranged at four corners of the bottom of the construction underframe.

[0007] Optionally, ladders are vertically arranged at positions opposite to the anti-slip shaft seats at the left and right ends of the construction underframe and the top plate respectively, the lower end of the ladder is vertically and fixedly connected with the construction underframe through bolts, and the upper end of the ladder is fixedly connected with a reserved notch position of the top plate through bolts.

[0008] Optionally, upward guardrails are respectively arranged at the circumferential edge of the top plate, and a position corresponding to the upper end of the ladder is a notch position of the guardrail; Four corners of the upper end of the top plate are all of a structure concavely inclined inward toward the middle, the inclined surfaces of the top plate are treated with a frosted anti-slip structure, the middle of the top plate is a vertically penetrating rectangular feeding port, sewage pipes are vertically built in the lower concave positions of the top plate on the left and right sides of the feeding port respectively, and the lower ends of the sewage pipes face the gap on one side of the material lifting frame.

[0009] Optionally, a turnover shaft rod is rotatably connected to the anti-slip shaft seat, an anti-slip support plate is slidably sleeved on the turnover shaft rod, the anti-slip support plate is made of iron plate, and the anti-slip support plate can be turned over on the turnover shaft rod and can slide longitudinally.

[0010] Optionally, the upper end of the limiting fixing seat is fixedly connected with a limiting clamping sleeve inclined outward and downward, one side of the limiting clamping sleeve is provided with a "匚"-shaped clamping slot facing the other end of the anti-slip shaft seat, the slot edges of the clamping slot are all of a chamfer structure, and when the anti-slip support plate is slidably fitted in the clamping slot, the end of the anti-slip support plate is in contact with and supported by the bottom surface.

[0011] Optionally, the upper end of the magnetic support is provided with a plate slot adapted to the anti-slip support plate, a magnet attracting the anti-slip support plate is arranged in the plate slot, and both two upper slot edges of the plate slot are of a chamfer structure.

[0012] Optionally, guide clamping rails are vertically provided at two corner positions corresponding to one end of the feeding opening on the top plane of the lifting rack respectively. The guide clamping rails are of a "匚"-shaped structure. The upper ends of the guide clamping rails are vertically and fixedly connected to the bottom of the construction underframe, and the lower ends of the guide clamping rails are vertically and fixedly connected to the upper end of the material rack. A screw rod is vertically and rotatably connected to the lifting rack at a position corresponding to the middle of the other end of the feeding opening, and the upper end of the screw rod passes through the feeding opening and is connected with a rotary handwheel; A connecting sleeve block is screwed on the screw rod, one end of the connecting sleeve block is clamped with a material supporting rack in a horizontal state, the bottom plate of the material supporting rack is of a grid structure, vertical anti-jamming support blocks are fixedly provided at two corners of the other end of the material supporting rack respectively, anti-jamming pulleys are rotatably connected to the upper end and the lower end of the anti-jamming support blocks respectively through rotating shafts, and the anti-jamming pulleys are vertically slidably arranged in the rail grooves of the guide clamping rails.

[0013] The present invention provides an anti-slip construction platform for an adjustable construction support, which has the following beneficial effects: 1. In the present invention, the four corners of the upper end of the top plate are all structures recessed and inclined inward toward the middle, the inclined surface of the top plate is treated with a frosted anti-slip structure, the middle part of the top plate is a rectangular feeding opening penetrating up and down, the lower concave parts of the top plate on the left and right sides of the feeding opening are respectively vertically built with sewage pipes, and the lower ends of the sewage pipes face the gap on one side of the lifting rack. Through the top plate with high edges and concave inner lower parts, construction workers can have more sense of safety when stepping on the construction platform for operation, preventing them from sliding out of the platform sideways, which improves the safety of high-altitude operation. In addition, the anti-slip treatment on the inclined surface of the top plate further improves the safety of high-platform construction. Moreover, the sewage pipes in the lower concave parts of the top plate can timely drain the sewage and muddy water retained on the top plate, preventing the sewage and muddy water from remaining on the top plate and causing the construction workers to slip.

[0014] 2. In the present invention, when the anti-slip support plate is slidingly engaged in the clamping groove, the end of the anti-slip support plate contacts and supports the bottom surface. The upper end of the magnetic support is provided with a plate groove adapted to the anti-slip support plate, a magnet attracting the anti-slip support plate is arranged in the plate groove, and two groove edges at the upper end of the plate groove are both chamfered structures. When high-platform construction is required, it is only necessary to turn the anti-slip support plate sucked in the plate groove outward, slide and push it into the limit clamping sleeve. At this time, the ends of the anti-slip support plates on the left and right sides are in contact with the ground respectively, and stable support for the device can be achieved by cooperating with four universal wheels, which can prevent the device from lateral sliding and improve the anti-slip safety of the construction platform.

[0015] 3. When it is necessary to transfer construction tools or slurry to the construction platform above, the construction personnel do not need to carry them while climbing. They only need to place the construction tools or slurry on the support frame, and then rotate the screw to make the support frame rise and move the construction tools or slurry. During the rising or falling of the support frame, the anti-jamming support block and anti-jamming pulley work together to prevent the support frame from getting stuck, which improves the efficiency and stability of the lifting operation and the safety of lifting and transferring construction tools or slurry. In addition, the construction personnel can place the construction tools or slurry before climbing the platform, and then lift themselves after climbing the platform. It can also be done by a single person, saving manpower and material resources, and is highly safe. Attached Figure Description

[0016] To more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings of the embodiments will be briefly described below.

[0017] The accompanying drawings described below are only related to some embodiments of the invention and are not intended to limit the invention.

[0018] In the attached diagram: Figure 1 A schematic diagram of the first axial view structure of the present invention is shown; Figure 2 A schematic diagram of the second axial view structure of the present invention is shown; Figure 3 This diagram shows a first axial view of the support rod and anti-slip bearing portion of the present invention. Figure 4 This diagram shows a second axial view of the support side rod and anti-slip bearing portion of the present invention. Figure 5 A schematic diagram of the top plate and lifting frame of the present invention is shown. Figure 6 A schematic axial view of the material support frame portion of the present invention is shown; Figure 7 A schematic diagram of the top plate portion of the present invention is shown in the upper axial view. Figure 8 A schematic diagram of the lower axial view of the top plate portion of the present invention is shown.

[0019] List of reference numerals 1. Construction base frame; 101. Casters; 2. Supporting side bar; 201. Ladder; 3. Top plate; 301. Guardrail; 302. Feed inlet; 303. Drainage pipe; 4. Anti-slip bearing seat; 401. Tilting shaft; 402. Anti-slip support plate; 5. Limiting and fixing seat; 501. Limiting sleeve; 502. Slot; 6. Magnetic support; 601. Plate groove; 8. Material lifting frame; 801. Guide rail; 802. Screw; 803. Material support frame; 804. Connecting sleeve block; 805. Anti-jamming support block; 80501. Anti-jamming pulley. Detailed Implementation

[0020] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of the present invention. Based on the described embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0021] Example 1: Please refer to Figures 1 to 8 : This invention proposes an adjustable construction support anti-slip construction platform, comprising: a construction base frame 1; the construction base frame 1 is composed of rectangular square tubes, the frame of the top plate 3 is also composed of rectangular square tubes with the same structure as the construction base frame 1, the middle part of the top plate 3 is a steel plate, the four corners of the construction base frame 1 and the top plate 3 are respectively fixedly connected by vertical support rods 2, the support rods 2 are square tube structures; anti-slip bearing seats 4 are fixedly provided at the left and right ends of the construction base frame 1 at staggered positions, a limiting fixing seat 5 is fixedly welded to the outer wall of the construction base frame 1 at one end of the anti-slip bearing seat 4, and a magnetic support 6 is horizontally fixedly welded to the inner wall of the construction base frame 1 at the other end of the anti-slip bearing seat 4; a material lifting frame 8 is located in the middle of the construction base frame 1.

[0022] Among them, the four corners of the bottom of the construction base frame 1 are respectively fixed with universal wheels 101 with brakes, which can drive the construction platform to move, making it convenient to change the position according to the site and making it more adaptable.

[0023] Among them, the construction base frame 1 and the top plate 3 are vertically equipped with ladders 201 at the positions opposite to the anti-slip bearings 4 on the left and right ends respectively. The lower end of the ladder 201 is vertically fixed to the construction base frame 1 by bolts, and the upper end of the ladder 201 is fixed to the reserved slot position of the top plate 3 by bolts. Construction work can be carried out by climbing to the construction platform through the ladder 201.

[0024] Among them, the top plate 3 is provided with upward guardrails 301 at the circumference of the top plate 3. The position corresponding to the upper end of the ladder 201 is the gap position of the guardrail 301. The guardrail 301 can play the role of high-altitude protection and prevent people and objects from falling. Four corners of the upper end of the top plate 3 are all structures recessed and inclined inward toward the middle, the inclined surfaces of the top plate are treated with a frosted anti-slip structure, the middle part of the top plate 3 is a rectangular feeding opening 302 penetrating vertically, the recessed positions of the top plate 3 on the left and right sides of the feeding opening 302 are respectively vertically provided with sewage pipes 303 inside, and the lower end of the sewage pipe 303 faces the gap on the side of the material lifting frame 8. The top plate 3 with high edges and low inner recesses can make construction personnel have more sense of safety when stepping on the construction platform for operation, prevent slipping out of the platform laterally, and improve the safety of high-altitude operation. In addition, the anti-slip treatment on the surface of the inclined surface of the top plate 3 further improves the safety of high-platform construction, and moreover, the sewage pipes 303 located at the recessed positions of the top plate 3 can timely discharge the sewage and mud retained on the top plate 3 downward, preventing the sewage and mud from remaining on the top plate 3 and causing the danger of slipping for construction personnel.

[0025] Wherein, an overturning shaft rod 401 is rotatably connected to the anti-slip shaft seat 4, an anti-slip support plate 402 is slidably sleeved on the overturning shaft rod 401, the anti-slip support plate 402 is made of iron plate, the anti-slip support plate 402 can be overturned and longitudinally slid on the overturning shaft rod 401, the upper end of the limiting fixing seat 5 is fixedly connected with a limiting clamping sleeve 501 inclined outward and downward, a "匚"-shaped clamping groove 502 facing the other end of the anti-slip shaft seat 4 is opened on one side of the limiting clamping sleeve 501, the groove edges of the clamping groove 502 are all chamfered structures, when the anti-slip support plate 402 is slidingly fitted in the clamping groove 502, the end of the anti-slip support plate 402 contacts and supports the bottom surface, the upper end of the magnetic support 6 is provided with a plate groove 601 adapted to the anti-slip support plate 402, a magnet attracted to the anti-slip support plate 402 is arranged inside the plate groove 601, and the two upper groove edges of the plate groove 601 are both chamfered structures. When high-platform construction is required, it is only necessary to turn the anti-slip support plate 402 attracted in the plate groove 601 outward, and slide and push it into the limiting clamping sleeve 501. At this time, the ends of the anti-slip support plates 402 on the left and right sides are respectively in contact with the ground, and stable support for the device can be realized by cooperating with four universal wheels 101, and the problem of lateral sliding of the device can be prevented, which improves the anti-slip safety of the construction platform.

[0026] Example 2, based on Example 1, as Figures 5-6As shown in the figure, at the two corner positions of the top plane of the material lifting frame 8 corresponding to one end of the feeding port 302, guide clamping rails 801 are vertically arranged respectively. The guide clamping rails 801 are of a "匚"-shaped structure, the upper end of the guide clamping rail 801 is vertically and fixedly connected to the bottom of the construction underframe 1, and the lower end of the guide clamping rail 801 is vertically and fixedly connected to the upper end of the material frame 8. A screw rod 802 is vertically and rotatably connected to the position of the material lifting frame 8 corresponding to the middle part of the other end of the feeding port 302, and the upper end of the screw rod 802 passes through the feeding port 302 and is connected with a rotating handwheel. A connecting sleeve block 804 is screwed on the screw rod 802, one end of the connecting sleeve block 804 is clamped with a material supporting frame 803 in a horizontal state, and the bottom plate of the material supporting frame 803 is a grid structure. Vertical anti-jam supporting blocks 805 are respectively fixedly arranged at two corners of the other end of the material supporting frame 803, anti-jam pulleys 80501 are rotatably connected to the upper and lower ends of the anti-jam supporting blocks 805 through rotating shafts respectively, and the anti-jam pulleys 80501 are vertically slidably arranged in the rail grooves of the guide clamping rails 801. When it is necessary to transfer construction tools or slurry to the upper construction platform, construction personnel do not need to carry them during climbing, they only need to place the construction tools or slurry on the material supporting frame 803, then rotate the screw rod 802 to make the material supporting frame 803 rise to drive the construction tools or slurry. During the rising or falling process of the material supporting frame 803, the cooperation of the anti-jam supporting blocks 805 and the anti-jam pulleys 80501 can avoid jamming of the material supporting frame 803, improve the efficiency and stability of lifting operation, and improve the safety of lifting and transferring construction tools or slurry. Moreover, construction personnel can place the construction tools or slurry before climbing the platform, and then lift them by themselves after climbing onto the platform, which can be completed by a single person, saving manpower and material resources, and has high safety.

[0027] Working principle of the present embodiment: during use, a constructor may first place construction tools or slurry on the material supporting frame 803, then rotate the screw rod 802 to make the material supporting frame 803 rise to drive the construction tools or slurry upward. During the rising or falling process of the material supporting frame 803, the anti-jamming support block 805 and the anti-jamming pulley 80501 cooperate with each other to prevent the material supporting frame 803 from being jammed, which improves the high efficiency and stability of the lifting operation. The constructor can climb up via the ladder 201 on one side. Before climbing the ladder 201, the anti-slip support plate 402 needs to be placed in an anti-slip state first. Since the turning rod 401 is rotatably connected to the anti-slip shaft seat 4, the anti-slip support plate 402 is slidably sleeved on the turning rod 401, the anti-slip support plate 402 is made of an iron plate, the anti-slip support plate 402 can be turned over and longitudinally slid on the turning rod 401, the upper end of the limiting fixing seat 5 is fixedly connected with a limiting sleeve 501 that tilts outward and downward, a "匚"-shaped clamping slot 502 facing the other end of the anti-slip shaft seat 4 is opened at one side of the limiting sleeve 501, all slot edges of the clamping slot 502 are of chamfered structures. When the anti-slip support plate 402 is slidably fitted in the clamping slot 502, the end of the anti-slip support plate 402 contacts and supports against the bottom surface, the upper end of the magnetic support 6 is provided with a plate slot 601 adapted to the anti-slip support plate 402, a magnet attracting the anti-slip support plate 402 is built in the plate slot 601, both upper slot edges of the plate slot 601 are of chamfered structures. When high-platform construction is required, the anti-slip support plate 402 sucked in the plate slot 601 only needs to be turned outward, slid and pushed into the limiting sleeve 501. At this time, the ends of the anti-slip support plates 402 on the left and right sides contact the ground respectively, and the four universal wheels 101 are matched to realize stable support for the device. After climbing onto the top plate 3, four corners at the upper end of the top plate 3 are all of structures concavely inclined inward toward the middle, the inclined surfaces of the top plate are treated with a frosted anti-slip structure, the middle of the top plate 3 is provided with a rectangular feeding port 302 penetrating up and down, and the lower recesses of the top plate 3 at the left and right sides of the feeding port 302 are respectively vertically internally provided with a drain pipe 303, the lower end of the drain pipe 303 faces the gap at the side of the feeding rack 8. The top plate 3 that is high at the edges and low and concave at the inner part can make the constructor feel more secure when stepping on the construction platform for operation, prevent the constructor from sliding out of the platform laterally, and improve the safety of high-altitude operation; moreover, the anti-slip treatment on the inclined surface of the top plate 3 further improves the safety of high-platform construction, and the drain pipes 303 at the lower recesses of the top plate 3 can discharge the sewage and sludge accumulated on the top plate 3 downward in time.

[0028] In this paper, the following points need to be noted: 1. The drawings of the embodiments of the present disclosure only relate to the structures involved in the embodiments of the present disclosure, and reference may be made to conventional designs for other structures.

[0029] 2. Without conflict, the embodiments of the present disclosure and the features in the embodiments can be combined with each other to obtain new embodiments.

[0030] The above are merely specific embodiments of this disclosure, but the scope of protection of this disclosure is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the scope of the technology disclosed in this disclosure should be included within the scope of protection of this disclosure. Therefore, the scope of protection of this disclosure should be determined by the scope of the claims.

Claims

1. An adjustable construction support anti-slip construction platform, comprising a construction base frame (1); characterized in that, The construction bottom frame (1) is formed by rectangular square tubes, the border of the top plate (3) has the same structure as the construction bottom frame (1) and is also formed by rectangular square tubes, the middle part of the top plate (3) is a steel plate, the four corners of the construction bottom frame (1) and the top plate (3) are respectively fixedly connected through vertical supporting side rods (2), and the supporting side rods (2) are of square tube structure; anti-skid shaft seats (4) are respectively fixedly arranged at positions staggered front and back at the left and right ends of the construction bottom frame (1), a limit fixing seat (5) is fixedly welded and installed on the outer side wall of the construction bottom frame (1) at one end of the anti-skid shaft seat (4), and a magnetic support (6) is horizontally and fixedly welded on the inner side wall of the construction bottom frame (1) at the other end of the anti-skid shaft seat (4); the middle part of the construction bottom frame (1) is a material lifting frame (8).

2. The anti-slip construction platform of the adjustable construction scaffold according to claim 1, characterized in that, Four bottom corners of the construction bottom frame (1) are respectively fixedly provided with universal wheels (101) with brakes.

3. The anti-slip construction platform of the adjustable construction scaffold according to claim 1, characterized in that, Ladders (201) are vertically arranged at positions opposite to the anti-skid shaft seats (4) respectively at the left and right ends of the construction bottom frame (1) and the top plate (3), the lower ends of the ladders (201) are vertically and fixedly connected with the construction bottom frame (1) through bolts, and the upper ends of the ladders (201) are fixedly connected with the pre-opened notches of the top plate (3) through bolts.

4. The anti-slip construction platform of the adjustable construction scaffold according to claim 3, characterized in that, Upward guardrails (301) are respectively arranged at the circumferential edge of the top plate (3), and the position corresponding to the upper end of the ladder (201) is a gap of the guardrail (301); All four upper corners of the top plate (3) are of a structure concave and inclined inward toward the middle, the inclined surfaces of the top plate are treated with a frosted anti-skid structure, the middle of the top plate (3) is a rectangular feeding opening (302) penetrating up and down, blow-down pipes (303) are respectively vertically built in the low depressions of the top plate (3) at the left and right sides of the feeding opening (302), and the lower ends of the blow-down pipes (303) face the gap on one side of the material lifting frame (8).

5. The anti-slip construction platform of the adjustable construction scaffold according to claim 1, characterized in that, A turning shaft rod (401) is rotatably connected to the anti-skid shaft seat (4), an anti-skid supporting plate (402) is slidably sleeved on the turning shaft rod (401), the anti-skid supporting plate (402) is made of iron plate, and the anti-skid supporting plate (402) can be turned over and slide longitudinally on the turning shaft rod (401).

6. The anti-slip construction platform of the adjustable construction scaffold according to claim 5, characterized in that, The upper end of the limit fixing seat (5) is fixedly connected with a limit clamping sleeve (501) inclined outward and downward, one side of the limit clamping sleeve (501) is provided with a "匚"-shaped clamping slot (502) facing the other end of the anti-skid shaft seat (4), the slot edges of the clamping slot (502) are all chamfered structures, and when the anti-skid supporting plate (402) is slidingly fitted in the clamping slot (502), the end of the anti-skid supporting plate (402) contacts and supports the bottom surface.

7. The anti-slip construction platform of the adjustable construction scaffold according to claim 5, characterized in that, The upper end of the magnetic support (6) is provided with a plate slot (601) adapted to the anti-skid supporting plate (402), a magnet attracted to the anti-skid supporting plate (402) is built in the plate slot (601), and both upper slot edges of the plate slot (601) are chamfered structures.

8. The anti-slip construction platform of the adjustable construction scaffold according to claim 4, characterized in that, Vertical guide clamping rails (801) are respectively provided at two corner positions of the top plane of the material lifting frame (8) corresponding to one end of the feeding port (302). The guide clamping rails (801) are of a "匚"-shaped structure. The upper ends of the guide clamping rails (801) are vertically and fixedly connected to the bottom of the construction bottom frame (1), and the lower ends of the guide clamping rails (801) are vertically and fixedly connected to the upper end of the material frame (8). A screw rod (802) is vertically and rotatably connected to the position on the material lifting frame (8) corresponding to the middle of the other end of the feeding port (302), and the upper end of the screw rod (802) passes through the position of the feeding port (302) and is connected with a rotating handwheel.

9. The anti-slip construction platform of the adjustable construction scaffold according to claim 8, characterized in that, A connecting sleeve block (804) is screwed onto the screw rod (802), one end of the connecting sleeve block (804) is clamped with a horizontally arranged material supporting frame (803), and the bottom plate of the material supporting frame (803) is a grid-shaped structure. Vertical anti-jamming support blocks (805) are respectively fixedly arranged at two corners of the other end of the material supporting frame (803). Anti-jamming pulleys (80501) are rotatably connected to the upper end and the lower end of the anti-jamming support blocks (805) respectively through rotating shafts, and the anti-jamming pulleys (80501) are vertically slidably arranged in the rail grooves of the guide clamping rails (801).

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