Construction material elevator in building

Abstract

The utility model relates to the field of lifters, in particular to a construction material lifter in a building, which comprises a cushion block. The center of the upper end of the cushion block is fixedly connected with a second limiting block, the upper end of the cushion block is fixedly connected with two first limiting blocks symmetrical about the second limiting block, the upper end of the cushion block is movably provided with two U-shaped plates, the lower ends of the U-shaped plates are provided with mounting grooves, and the outer contour of the upper half portion of the cushion block is matched with the inner walls of the mounting grooves. Goods placed in the lifting frame can be blocked through the multiple inserting columns and the protection plates, the first motor is started to enable the take-up roller to rotate, a steel wire rope can be wound on the outer wall of the take-up roller, the steel wire rope can be conveniently wound on the take-up roller, after the lifting frame reaches a proper height, the inserting columns and the sleeves are detached, goods can be conveniently taken, and the goods taking efficiency is improved. And at the moment, a second motor is started to enable two push plates to be away from each other, goods in the lifting frame can be quickly pushed out, and use is convenient.

Description

Technical Field

[0001] The utility model belongs to the field of elevators, and particularly relates to a construction material elevator in a building. Background Art

[0002] With the acceleration of the urbanization process, the construction of high-rise buildings is becoming increasingly frequent, and the demand for construction materials is also increasing. However, during the construction of high-rise buildings, how to safely and efficiently transport construction materials from the ground to high places has become an urgent problem for construction enterprises to solve.

[0003] Currently, an elevator or lifting equipment is usually installed in the hoistway in a building to lift goods. However, the elevators in the prior art are usually not convenient for temporarily and quickly building in a building, and it is difficult to improve the stability when lifting goods. After the goods are lifted to a suitable height, it is not convenient to quickly push the goods out of the lifting mechanism.

[0004] Therefore, a construction material elevator in a building is proposed, which can be temporarily and quickly built in a building, and can improve the stability when lifting goods. After the goods are lifted to a suitable height, it is convenient to quickly push the goods out of the lifting mechanism. Content of the Utility Model

[0005] In order to overcome the problems that the elevators in the prior art are usually not convenient for temporarily and quickly building in a building, and it is difficult to improve the stability when lifting goods. After the goods are lifted to a suitable height, it is not convenient to quickly push the goods out of the lifting mechanism.

[0006] The technical solution of the utility model is as follows: a construction material hoist in a building, including a cushion block; a second limiting block is fixedly connected to the center of the upper end of the cushion block, and two first limiting blocks symmetrical about the second limiting block are fixedly connected to the upper end of the cushion block. Two U-shaped plates are movably arranged at the upper end of the cushion block. An installation groove is opened at the lower end of the U-shaped plate, and the outer contour of the upper half of the cushion block is adapted to the inner wall of the installation groove. A wire winding assembly for winding wires is arranged on one side of the two U-shaped plates. Two installation blocks are fixedly connected to the upper ends of the two U-shaped plates, and a second fixing block is fixedly connected to the upper end of the installation block. A fixed pulley is fixedly connected to the lower end of the second fixing block, and a steel wire rope is arranged on the fixed pulley. A groove body is penetrated and opened at the front end of the U-shaped plate, and a lifting frame is movably arranged on both sides of the inner wall of the groove body. A limiting assembly is arranged on the lifting frame. A welding block is fixedly connected to the upper end of the lifting frame, one end of the steel wire rope is fixedly connected to the welding block, and the other end of the steel wire rope is arranged on the wire winding assembly. A first bearing seat and a second bearing seat are fixedly connected to the upper end of the lifting frame, a second motor is fixedly connected to the second bearing seat, an output shaft of the second motor penetrates through the second bearing seat and is fixedly connected to a double-threaded screw rod, and the outer wall of the other end of the double-threaded screw rod is attached to the inner wall of the first bearing seat. The thread teeth on both sides of the center of the outer wall of the double-threaded screw rod are opposite to each other. Two thread sleeve blocks respectively adapted to the two kinds of thread teeth are movably installed on the outer wall of the double-threaded screw rod. A slider is fixedly connected to the lower end of the thread sleeve block. A chute is penetrated and opened at the upper end of the lifting frame, and both sides of the slider are attached to both side surfaces of the inner wall of the chute. A push plate is fixedly connected to the lower end of the slider, and the outer wall of the push plate is attached to the inner wall of the lifting frame;

[0007] The limiting assembly includes an installation hole, a plug post, a fixing plate, a first ear plate, a sleeve, a protective plate, a second ear plate, a first threaded post, a threaded cylinder, a connecting block and a smooth post; evenly distributed installation holes are penetrated and opened at the front and rear edges of the upper end of the lifting frame, a plug post is movably arranged on the inner wall of the installation hole, a fixing plate is fixedly connected to the upper ends of the multiple plug posts, first ear plates are fixedly connected to both the front and rear ends of the lifting frame, a sleeve is sleeved on the outer wall of one of the plug posts closest to the first ear plate, a protective plate is fixedly connected to the outer wall of the sleeve, a second ear plate is fixedly connected to the end of the protective plate away from the center of the lifting frame, a first threaded post is movably arranged on the inner wall of the second ear plate, a threaded cylinder is threadedly installed on the outer wall of the first threaded post, a connecting block is fixedly connected to the upper part of the outer wall of the first threaded post, a smooth post is fixedly connected in a penetrating manner to the upper end of the connecting block, and the outer wall of the lower end of the smooth post is attached to the inner wall of the first ear plate.

[0008] Preferably, when in use, the second motor is a forward and reverse motor. First, turn on the second motor to drive the double-threaded screw rod to rotate. The two threaded sleeve blocks on the outer wall of the double-threaded screw rod will approach or move away from each other. When the two threaded sleeve blocks approach each other, the two push plates will approach each other, and the goods to be lifted can be placed on the bottom surface of the inner wall of the lifting frame. Then, place the sleeve between the upper and lower ends of the inner wall of the lifting frame, and then pass the insertion post through the installation hole so that one of the insertion posts closest to the first ear plate passes through the sleeve at the same time. At this time, the sleeve can rotate along the outer wall of the insertion post closest to the first ear plate. Then, pass the first threaded post through the second ear plate, and at the same time pass the smooth post through the first ear plate, and thread the threaded cylinder onto the outer wall of the first threaded post. Finally, make the upper end of the threaded cylinder fit with the lower end surface of the second ear plate, and the stable placement of the sleeve can be achieved. The use of multiple insertion posts and the protective plate can block the goods placed in the lifting frame. After reaching the appropriate height, after disassembling the insertion posts and the sleeve, it is convenient to pick up the goods. At this time, turn on the second motor to make the two push plates move away from each other, and the goods located in the lifting frame can be quickly pushed out, solving the problems that the existing elevators are usually inconvenient to be temporarily and quickly erected in buildings, and it is difficult to improve the stability when lifting goods. After the goods are lifted to the appropriate height, it is not convenient to quickly push the goods out of the lifting mechanism.

[0009] As a preference, the mutually remote ends of the two U-shaped plates are respectively in contact with the mutually approaching ends of the two first limiting blocks, and the middle parts of the mutually approaching ends of the two U-shaped plates are respectively in contact with the front and rear ends of the second limiting block. The two U-shaped plates can be limited by the two first limiting blocks and one second limiting block, which is beneficial to the quick and stable placement of the two U-shaped plates.

[0010] As a preference, the wire winding assembly includes a hinge seat, a wire winding roller, a first motor, a first fixing block and a rubber cylinder; a hinge seat is fixedly connected to one side of the two U-shaped plates, a wire winding roller is rotatably installed on the inner wall of the hinge seat, a first motor is fixedly connected to the front end of the hinge seat, the rear end of the output shaft of the first motor penetrates through the front end of the hinge seat and is fixedly connected to the rotating shaft of the wire winding roller, a first fixing block is fixedly connected to the middle part of one side of the two U-shaped plates, the first fixing block is located above the hinge seat, and rubber cylinders are fixedly connected through both sides of the first fixing block. The other end of the steel wire rope passes through the rubber cylinder and is fixedly connected to the wire winding roller. When in use, turn on the first motor to make the wire winding roller rotate, and the steel wire rope can be wound around the outer wall of the wire winding roller, which is convenient to wind the steel wire rope on the wire winding roller.

[0011] As a preference, two support blocks symmetric about the center of the cushion block are fixedly connected to both sides of the cushion block, and the bottom surface of the support block is flush with the bottom surface of the cushion block. Fixing two support blocks on both sides of the cushion block can achieve the stable placement of the cushion block.

[0012] Preferably, a third limiting block is fixedly connected to the side of the lifting frame away from the wire winding assembly. U-shaped blocks are fixedly connected to the front and rear end faces of the third limiting block. Guide wheels are rotatably installed on both sides of the inner wall of the U-shaped block and are evenly distributed. One end of the guide wheel away from the third limiting block fits against the inner wall of the groove, and the guide wheel can move along the inner wall of the groove, which is beneficial to the stable lifting of the lifting frame.

[0013] Preferably, third fixing blocks are fixedly connected to both sides of the U-shaped plate. A second threaded column is installed through the upper end of the third fixing block in a threaded manner. A cushion plate is fixedly connected to the lower end of the second threaded column. Manually rotating the second threaded column causes the cushion plate to move downward until the lower end face of the cushion plate contacts the ground, which can improve the stability after the two U-shaped plates are installed on the cushion blocks.

[0014] Preferably, the upper and lower end faces of the sleeve are flush with the upper and lower end faces of the protective plate. The upper and lower end faces of the protective plate are respectively in contact with the upper and lower end faces of the inner wall of the lifting frame. Placing the sleeve and the protective plate on the upper and lower end faces of the inner wall of the lifting frame can block the objects placed in the lifting frame, and the push plate can be used to move towards the protective plate to squeeze and fix the objects between the protective plate and the push plate, improving the practicability of the device.

[0015] The beneficial effects of the present utility model:

[0016] 1. By starting the second motor to drive the double-threaded screw rod to rotate, the two threaded sleeve blocks on the outer wall of the double-threaded screw rod will approach or move away from each other. When the two threaded sleeve blocks approach each other, the two push plates will approach each other, and the goods to be lifted can be placed on the bottom surface of the inner wall of the lifting frame. Then, the sleeve is placed between the upper and lower ends of the inner wall of the lifting frame, and the insertion post is passed through the installation hole so that one of the insertion posts closest to the first ear plate also passes through the sleeve. At this time, the sleeve can rotate along the outer wall of the insertion post closest to the first ear plate. Then, the first threaded column is passed through the second ear plate, and at the same time, the smooth column is passed through the first ear plate. The threaded cylinder is threadedly installed on the outer wall of the first threaded column, and finally, the upper end of the threaded cylinder fits against the lower end face of the second ear plate, so as to realize the stable placement of the sleeve. The goods placed in the lifting frame can be blocked by multiple insertion posts and the protective plate. Starting the first motor to make the wire winding roller rotate can wind the steel wire rope on the outer wall of the wire winding roller, which is convenient for winding the steel wire rope on the wire winding roller. After the lifting frame reaches the appropriate height, after removing the insertion post and the sleeve, it is convenient to pick up the goods. At this time, starting the second motor to make the two push plates move away from each other can quickly push out the goods located in the lifting frame, solving the problems in the prior art that the elevator is usually not convenient for temporary and rapid erection in the building, and it is difficult to improve the stability when lifting the goods. After the goods are lifted to the appropriate height, it is not convenient to quickly push the goods out of the lifting mechanism.

[0017] 2. By setting the guide wheel, the guide wheel can move along the inner wall of the groove, which is beneficial to the stable lifting of the lifting frame. Manually rotate the second threaded column to make the cushion plate move downward until the lower end surface of the cushion plate contacts the ground, which can improve the stability after the two U-shaped plates are installed on the cushion block. By placing the sleeve and the protective plate on the upper and lower end surfaces of the inner wall of the lifting frame, the objects placed in the lifting frame can be blocked, and the push plate can be used to move towards the protective plate to squeeze and fix the objects between the protective plate and the push plate, improving the practicability of the device;

[0018] 3. By setting two first limit blocks and one second limit block, the two U-shaped plates can be limited by the two first limit blocks and one second limit block, which is beneficial to the quick and stable placement of the two U-shaped plates, realizing the ability of the device to be quickly assembled and used at the construction site. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 Shown is a three-dimensional structural schematic diagram of a construction material elevator in a building according to the present utility model;

[0020] Figure 2 Shown is a three-dimensional split structural schematic diagram of a cushion block and a U-shaped plate of a construction material elevator in a building according to the present utility model;

[0021] Figure 3 Shown is a three-dimensional structural schematic diagram of a lifting frame of a construction material elevator in a building according to the present utility model;

[0022] Figure 4 Shown is a three-dimensional structural schematic diagram of a third fixing block of a construction material elevator in a building according to the present utility model;

[0023] Figure 5 Shown is a three-dimensional split structural schematic diagram of a lifting frame and an insertion post of a construction material elevator in a building according to the present utility model;

[0024] Figure 6 Shown is a three-dimensional split structural schematic diagram of a limit assembly of a construction material elevator in a building according to the present utility model.

[0025] The reference numerals in the drawings are as follows: 1, spacer block; 2, first limiting block; 3, second limiting block; 4, U-shaped plate; 5, installation groove; 6, support block; 7, mounting block; 701, hinge seat; 702, wire winding roller; 703, first motor; 704, first fixing block; 705, rubber cylinder; 8, second fixing block; 9, fixed pulley; 10, steel wire rope; 11, trough body; 12, groove; 13, lifting frame; 1301, mounting hole; 1302, plug post; 1303, fixing plate; 1304, first ear plate; 1305, sleeve; 1306, protection plate; 1307, second ear plate; 1308, first threaded post; 1309, threaded cylinder; 1310, connecting block; 1311, smooth post; 14, third limiting block; 15, U-shaped block; 16, guide wheel; 17, first bearing seat; 18, second bearing seat; 19, second motor; 20, double-threaded screw rod; 21, chute; 22, threaded sleeve block; 23, slider; 24, push plate; 25, welding block; 26, third fixing block; 27, second threaded post; 28, cushion plate. Detailed implementation mode

[0026] The present utility model will be further described below in conjunction with the drawings and embodiments. Embodiment 1

[0027] Please refer to Figure 1-6, a construction material lift in a building, comprising a cushion block 1; a second limiting block 3 is fixedly connected to the center of the upper end of the cushion block 1, two first limiting blocks 2 symmetrical about the second limiting block 3 are fixedly connected to the upper end of the cushion block 1, two U-shaped plates 4 are movably arranged at the upper end of the cushion block 1, an installation groove 5 is opened at the lower end of the U-shaped plate 4, and the outer contour of the upper half of the cushion block 1 is adapted to the inner wall of the installation groove 5. A wire winding assembly for winding the wire is arranged on one side of the two U-shaped plates 4. Two installation blocks 7 are fixedly connected to the upper ends of the two U-shaped plates 4, a second fixing block 8 is fixedly connected to the upper end of the installation block 7, a fixed pulley 9 is fixedly connected to the lower end of the second fixing block 8, a steel wire rope 10 is arranged on the fixed pulley 9, a groove body 11 is penetrated and opened at the front end of the U-shaped plate 4, two sides of the inner wall of the groove body 11 are movably provided with a lifting frame 13, a limiting assembly is arranged on the lifting frame 13, a welding block 25 is fixedly connected to the upper end of the lifting frame 13, one end of the steel wire rope 10 is fixedly connected to the welding block 25, the other end of the steel wire rope 10 is arranged on the wire winding assembly, a first bearing seat 17 and a second bearing seat 18 are fixedly connected to the upper end of the lifting frame 13, a second motor 19 is fixedly connected to the second bearing seat 18, the output shaft of the second motor 19 penetrates through the second bearing seat 18 and is fixedly connected with a double-threaded screw rod 20, the outer wall of the other end of the double-threaded screw rod 20 is attached to the inner wall of the first bearing seat 17, the thread teeth on both sides of the center of the outer wall of the double-threaded screw rod 20 are opposite to each other, two thread sleeve blocks 22 respectively adapted to the two kinds of thread teeth are movably installed on the outer wall of the double-threaded screw rod 20, a slider 23 is fixedly connected to the lower end of the thread sleeve block 22, a chute 21 is penetrated and opened at the upper end of the lifting frame 13, both sides of the slider 23 are attached to both side surfaces of the inner wall of the chute 21, a push plate 24 is fixedly connected to the lower end of the slider 23, and the outer wall of the push plate 24 is attached to the inner wall of the lifting frame 13;

[0028] The limiting assembly includes an installation hole 1301, a plug post 1302, a fixing plate 1303, a first ear plate 1304, a sleeve 1305, a protection plate 1306, a second ear plate 1307, a first threaded post 1308, a threaded cylinder 1309, a connecting block 1310 and a smooth post 1311; uniformly distributed installation holes 1301 are penetrated and opened at the front and rear edges of the upper end of the lifting frame 13, a plug post 1302 is movably arranged in the inner wall of the installation hole 1301, a fixing plate 1303 is fixedly connected to the upper ends of the plurality of plug posts 1302, first ear plates 1304 are fixedly connected to both the front and rear ends of the lifting frame 13, a sleeve 1305 is sleeved on the outer wall of one of the plug posts 1302 closest to the first ear plate 1304, a protection plate 1306 is fixedly connected to the outer wall of the sleeve 1305, a second ear plate 1307 is fixedly connected to one end of the protection plate 1306 away from the center of the lifting frame 13, a first threaded post 1308 is movably arranged in the inner wall of the second ear plate 1307, a threaded cylinder 1309 is threadedly installed on the outer wall of the first threaded post 1308, a connecting block 1310 is fixedly connected to the upper part of the outer wall of the first threaded post 1308, a smooth post 1311 is fixedly connected to the upper end of the connecting block 1310 in a penetrating manner, and the outer wall of the lower end of the smooth post 1311 is attached to the inner wall of the first ear plate 1304.

[0029] Please refer to Figure 1 and 2 In this embodiment, the mutually remote ends of the two U-shaped plates 4 are respectively in contact with the mutually proximate ends of the two first limiting blocks 2, and the middle parts of the mutually proximate ends of the two U-shaped plates 4 are respectively in contact with the front and rear ends of the second limiting block 3. The wire winding assembly includes a hinge seat 701, a wire winding roller 702, a first motor 703, a first fixing block 704, and a rubber cylinder 705; a hinge seat 701 is fixedly connected to one side of the two U-shaped plates 4, a wire winding roller 702 is rotatably installed on the inner wall of the hinge seat 701, a first motor 703 is fixedly connected to the front end of the hinge seat 701, the rear end of the output shaft of the first motor 703 penetrates through the front end of the hinge seat 701 and is fixedly connected to the rotating shaft of the wire winding roller 702, a first fixing block 704 is fixedly connected to the middle part of one side of the two U-shaped plates 4, the first fixing block 704 is located above the hinge seat 701, rubber cylinders 705 are fixedly connected through both sides of the first fixing block 704, and the other end of the steel wire rope 10 passes through the rubber cylinder 705 and is fixedly connected to the wire winding roller 702.

[0030] In this embodiment: Place the two U-shaped plates 4 between the two first limiting blocks 2 and one second limiting block 3, so that the inner wall of the installation groove 5 at the lower end of the U-shaped plate 4 is adapted to the outer contour of the upper half of the cushion block 1. Then, first start the second motor 19 to drive the double-threaded screw rod 20 to rotate, and the two threaded sleeve blocks 22 on the outer wall of the double-threaded screw rod 20 will approach or move away from each other. When the two threaded sleeve blocks 22 approach each other, the two push plates 24 will approach each other, and the goods to be lifted can be placed on the bottom surface of the inner wall of the lifting frame 13. Then, place the sleeve 1305 between the upper and lower ends of the inner wall of the lifting frame 13, and then pass the insertion post 1302 through the installation hole 1301, so that one of the insertion posts 1302 closest to the first ear plate 1304 passes through the sleeve 1305 at the same time. At this time, the sleeve 1305 can rotate along the outer wall of the insertion post 1302 closest to the first ear plate 1304. Then, pass the first threaded post 1308 through the second ear plate 1307, and at the same time pass the smooth post 1311 through the first ear plate 1304. Thread the threaded cylinder 1309 onto the outer wall of the first threaded post 1308, and finally make the upper end of the threaded cylinder 1309 fit with the lower end surface of the second ear plate 1307, so as to realize the stable placement of the sleeve 1305. The goods placed in the lifting frame 13 can be blocked by multiple insertion posts 1302 and the protection plate 1306. Start the first motor 703 to make the wire winding roller 702 rotate, and the steel wire rope 10 can be wound around the outer wall of the wire winding roller 702, which is convenient for winding the steel wire rope 10 on the wire winding roller 702. After reaching the appropriate height, after disassembling the insertion post 1302 and the sleeve 1305, it is convenient to pick up the goods. At this time, start the second motor 19 to make the two push plates 24 move away from each other, and the goods located in the lifting frame 13 can be quickly pushed out. Embodiment Two

[0031] Please refer to Figures 2-4 , on the basis of Embodiment 1, the present application provides a technical solution: Two support blocks 6 that are symmetric about the center of the cushion block 1 are fixedly connected to both sides of the cushion block 1. The bottom surface of the support block 6 is flush with the bottom surface of the cushion block 1. A third limit block 14 is fixedly connected to the side of the lifting frame 13 away from the wire take-up assembly. U-shaped blocks 15 are fixedly connected to the front and rear end faces of the third limit block 14. Guide wheels 16 are rotatably installed on both sides of the inner wall of the U-shaped block 15 in a uniformly distributed manner. One end of the guide wheel 16 away from the third limit block 14 is in contact with the inner wall of the groove 12.

[0032] Please refer to Figure 4 , in this embodiment, third fixing blocks 26 are fixedly connected to both sides of the U-shaped plate 4. A second threaded column 27 is installed through the upper end of the third fixing block 26 in a threaded manner. A cushion plate 28 is fixedly connected to the lower end of the second threaded column 27.

[0033] Please refer to Figure 1 、 5 and 6, in this embodiment, the upper and lower end faces of the sleeve 1305 are flush with the upper and lower end faces of the protective plate 1306. The upper and lower end faces of the protective plate 1306 are respectively in contact with the upper and lower end faces of the inner wall of the lifting frame 13.

[0034] In this embodiment: The guide wheel 16 can move along the inner wall of the groove 12, which is beneficial to the stable lifting of the lifting frame 13. Manually rotate the second threaded column 27 to make the cushion plate 28 move downward until the lower end face of the cushion plate 28 contacts the ground, which can improve the stability after the two U-shaped plates 4 are installed on the cushion block 1. Placing the sleeve 1305 and the protective plate 1306 on the upper and lower end faces of the inner wall of the lifting frame 13 can protect the object placed in the lifting frame 13, and the object can be squeezed and fixed between the protective plate 1306 and the push plate 24 by moving the push plate 24 towards the protective plate 1306, improving the practicability of the device.

[0035] Working principle: First, place the two U-shaped plates 4 between two first limit blocks 2 and a second limit block 3 respectively, so that the inner wall of the installation groove 5 at the lower end of the U-shaped plate 4 is adapted to the outer contour of the upper half of the cushion block 1. Then start the second motor 19 to drive the double-threaded screw rod 20 to rotate. The two threaded sleeve blocks 22 located on the outer wall of the double-threaded screw rod 20 will approach or move away from each other. When the two threaded sleeve blocks 22 approach each other, the two push plates 24 will approach each other, and the goods to be lifted can be placed on the bottom surface of the inner wall of the lifting frame 13.

[0036] Then, place the sleeve 1305 between the upper and lower ends of the inner wall of the lifting frame 13. Next, pass the plug post 1302 through the mounting hole 1301 so that one of the plug posts 1302 closest to the first ear plate 1304 passes through the sleeve 1305 at the same time. At this time, the sleeve 1305 can rotate along the outer wall of the plug post 1302 closest to the first ear plate 1304. Then, pass the first threaded post 1308 through the second ear plate 1307, and at the same time pass the smooth post 1311 through the first ear plate 1304. Thread the threaded cylinder 1309 onto the outer wall of the first threaded post 1308. Finally, make the upper end of the threaded cylinder 1309 fit with the lower end surface of the second ear plate 1307, and the stable placement of the sleeve 1305 can be achieved. The goods placed in the lifting frame 13 can be blocked by multiple plug posts 1302 and the protective plate 1306.

[0037] Next, start the first motor 703 to make the wire winding roller 702 rotate, and the wire rope 10 can be wound around the outer wall of the wire winding roller 702, which is convenient for winding the wire rope 10 on the wire winding roller 702. After reaching the appropriate height, after disassembling the plug post 1302 and the sleeve 1305, it is convenient to pick up the goods. At this time, start the second motor 19 to make the two push plates 24 move away from each other, and the goods located in the lifting frame 13 can be quickly pushed out.

[0038] When in use, manually rotate the second threaded post 27 to make the cushion plate 28 move downward. Finally, make the lower end surface of the cushion plate 28 contact the ground, which can improve the stability after the two U-shaped plates 4 are installed on the cushion block 1. Place the sleeve 1305 and the protective plate 1306 on the upper and lower end surfaces of the inner wall of the lifting frame 13 to protect the objects placed in the lifting frame 13. And the object can be squeezed and fixed between the protective plate 1306 and the push plate 24 by moving the push plate 24 towards the protective plate 1306, which is beneficial to the stable lifting and moving of the object.

[0039] The above has described the embodiments of the present invention in detail with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the purpose of the present invention.

Claims

1. A construction material hoist inside a building, comprising a cushion block (1); characterized in that: A second limiting block (3) is fixedly connected to the center of the upper end of the spacer block (1). Two first limiting blocks (2) symmetrical about the second limiting block (3) are fixedly connected to the upper end of the spacer block (1). Two U-shaped plates (4) are movably arranged at the upper end of the spacer block (1). An installation groove (5) is formed at the lower end of the U-shaped plate (4). The outer contour of the upper half of the spacer block (1) is adapted to the inner wall of the installation groove (5). A wire winding assembly for winding the wire is arranged on one side of the two U-shaped plates (4). Two installation blocks (7) are fixedly connected to the upper ends of the two U-shaped plates (4). A second fixing block (8) is fixedly connected to the upper end of the installation block (7). A fixed pulley (9) is fixedly connected to the lower end of the second fixing block (8). A steel wire rope (10) is arranged on the fixed pulley (9). A groove body (11) is formed through the front end of the U-shaped plate (4). Two lifting frames (13) are movably arranged on both sides of the inner wall of the groove body (11). A limiting assembly is arranged on the lifting frame (13). A welding block (25) is fixedly connected to the upper end of the lifting frame (13). One end of the steel wire rope (10) is fixedly connected to the welding block (25). The other end of the steel wire rope (10) is arranged on the wire winding assembly. A first bearing seat (17) and a second bearing seat (18) are fixedly connected to the upper end of the lifting frame (13). A second motor (19) is fixedly connected to the second bearing seat (18). The output shaft of the second motor (19) penetrates through the second bearing seat (18) and is fixedly connected with a double-threaded screw rod (20). The outer wall of the other end of the double-threaded screw rod (20) is attached to the inner wall of the first bearing seat (17). The thread teeth on both sides of the center of the outer wall of the double-threaded screw rod (20) are opposite to each other. Two thread sleeve blocks (22) respectively adapted to the two kinds of thread teeth are movably installed on the outer wall of the double-threaded screw rod (20). A slider (23) is fixedly connected to the lower end of the thread sleeve block (22). A sliding groove (21) is formed through the upper end of the lifting frame (13). Both sides of the slider (23) are attached to both side surfaces of the inner wall of the sliding groove (21). A push plate (24) is fixedly connected to the lower end of the slider (23). The outer wall of the push plate (24) is attached to the inner wall of the lifting frame (13); The limiting component includes a mounting hole (1301), a plug post (1302), a fixing plate (1303), a first ear plate (1304), a sleeve (1305), a protective plate (1306), a second ear plate (1307), a first threaded post (1308), a threaded cylinder (1309), a connecting block (1310) and a smooth post (1311); mounting holes (1301) evenly distributed are penetrated through the front and rear edges of the upper end of the lifting frame (13), the inner wall of the mounting hole (1301) is movably provided with the plug post (1302), the upper ends of a plurality of plug posts (1302) are fixedly connected with the fixing plate (1303), the front and rear ends of the lifting frame (13) are both fixedly connected with the first ear plate (1304), the outer wall of the plug post (1302) closest to the first ear plate (1304) is sleeved with the sleeve (1305), the outer wall of the sleeve (1305) is fixedly connected with the protective plate (1306), one end of the protective plate (1306) away from the center of the lifting frame (13) is fixedly connected with the second ear plate (1307), the inner wall of the second ear plate (1307) is movably provided with the first threaded post (1308), the threaded cylinder (1309) is threadedly installed on the outer wall of the first threaded post (1308), the upper part of the outer wall of the first threaded post (1308) is fixedly connected with the connecting block (1310), the upper end of the connecting block (1310) is fixedly connected with the smooth post (1311) in a penetrating manner, and the outer wall of the lower end of the smooth post (1311) is attached to the inner wall of the first ear plate (1304).

2. The construction material hoist in a building according to claim 1, wherein: One end of each of the two U-shaped plates (4) away from each other is respectively attached to one end of each of the two first limiting blocks (2) close to each other, and the middle parts of one end of each of the two U-shaped plates (4) close to each other are respectively attached to the front and rear ends of the second limiting block (3).

3. The construction material hoist in a building according to claim 1, characterized in that: The wire winding component includes a hinge seat (701), a wire winding roller (702), a first motor (703), a first fixing block (704) and a rubber cylinder (705); a hinge seat (701) is fixedly connected to one side of each of the two U-shaped plates (4), the inner wall of the hinge seat (701) is rotatably installed with the wire winding roller (702), the front end of the hinge seat (701) is fixedly connected with the first motor (703), the rear end of the output shaft of the first motor (703) penetrates through the front end of the hinge seat (701) and is fixedly connected to the rotating shaft of the wire winding roller (702), a first fixing block (704) is fixedly connected to the middle part of one side of each of the two U-shaped plates (4), the first fixing block (704) is located above the hinge seat (701), rubber cylinders (705) are fixedly connected to both sides of the first fixing block (704) in a penetrating manner, and the other end of the steel wire rope (10) passes through the rubber cylinder (705) and is fixedly connected to the wire winding roller (702).

4. A construction material lift in a building according to claim 1, characterized in that: Two support blocks (6) symmetric about the center of the cushion block (1) are fixedly connected to both sides of the cushion block (1), and the bottom surface of the support block (6) is flush with the bottom surface of the cushion block (1).

5. A construction material lift in a building according to claim 1, characterized in that: On one side of the lifting frame (13) away from the wire winding assembly, a third limit block (14) is fixedly connected. U-shaped blocks (15) are fixedly connected to the front and rear end faces of the third limit block (14). Guide wheels (16) evenly distributed are rotatably installed on both sides of the inner wall of the U-shaped block (15). One end of the guide wheel (16) away from the third limit block (14) fits against the inner wall of the groove (12).

6. The construction material lift in a building according to claim 1, characterized in that: Third fixing blocks (26) are fixedly connected to both sides of the U-shaped plate (4). A second threaded column (27) is installed through the upper end of the third fixing block (26) in a threaded manner. A cushion plate (28) is fixedly connected to the lower end of the second threaded column (27).

7. A construction material hoist inside a building according to claim 1, characterized in that: The upper and lower end faces of the sleeve (1305) are flush with the upper and lower end faces of the protective plate (1306). The upper and lower end faces of the protective plate (1306) are respectively in contact with the upper and lower end faces of the inner wall of the lifting frame (13).

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