Material lifting device for building construction

Abstract

The material lifting device for building construction comprises a vehicle body, supporting plates are symmetrically installed on the two sides of the top end of the vehicle body, a back plate is installed on one side of the top end of the vehicle body, and a push rod is installed on one side of the top end of the back plate; a limiting mechanism is arranged in the supporting plate, and a rotating assembly is arranged at one end of the vehicle body. Wherein the limiting mechanism comprises mounting boxes which are symmetrically mounted in the vehicle body, a rotating rod is rotationally connected between the mounting boxes, sliding grooves are symmetrically formed in the supporting plate, screw rods are rotationally connected between the sliding grooves and the mounting boxes, and first rotating teeth are symmetrically mounted on the outer sides of the two ends of the rotating rod; and second rotating teeth are mounted at the bottom end of the screw rod, so that the supporting plate moves downwards to extrude and limit the bricks, the phenomenon that the bricks fall off in the transportation process can be effectively avoided, and the safety of workers during use is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of construction equipment, in particular to a material lifting device for building construction. Background Art

[0002] When a construction site is under construction, a transport cart is needed to transport some materials to the construction workers. The construction material transport cart can be regarded as a lifting device that can lift and move construction materials.

[0003] Announcement No. CN211252639U discloses a construction material transporter. The device adopts a trolley-type design, and the telescopic rod can be retracted into the inner cavity of the fixed plate. On the basis of ensuring that the device can facilitate the transportation of construction materials, it can also reduce the occupied space when not in use, solving the problem of difficulty and low efficiency in manual transportation of construction materials, and reflecting the practicality of the device; by adopting the design of an anti-slip placement plate and co-using a shock-absorbing device, it can not only avoid the problem of construction materials falling during transportation, but also reduce the bumping force during transportation, ensuring the integrity of the materials, which is a manifestation of the feasibility of the device. However, the patent still has the following problems in actual use:

[0004] This device adopts the design of anti-slip placement plate and is used in conjunction with shock-absorbing device, which can not only prevent the problem of building materials falling during transportation. However, this device does not have a limiting function. When the staff place bricks and other building materials on the vehicle body and the vehicle body moves and shakes, the bricks and other materials are easy to fall from the vehicle body, which increases the danger for the staff when using it.

[0005] A material lifting device for building construction is proposed to solve the above-mentioned problems. Utility Model Content

[0006] The purpose of the utility model is to provide a material lifting device for construction to solve the problem proposed by the above-mentioned background technology that the design of the anti-slip placement plate is used in conjunction with the use of a shock-absorbing device, which can not only avoid the problem of building materials falling during transportation, but the device does not have a limiting function. When the staff puts bricks and other building materials on the vehicle body, when the vehicle body moves and shakes, the bricks and other materials are easy to fall from the vehicle body, thereby increasing the danger for the staff when using it.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a material lifting device for construction, comprising a vehicle body, support plates are symmetrically installed on both sides of the top of the vehicle body, a back plate is installed on one side of the top of the vehicle body, and a push rod is installed on one side of the top of the back plate; a limiting mechanism is arranged inside the support plate, and a rotating assembly is arranged at one end of the vehicle body;

[0008] Among them, the limiting mechanism includes installation boxes that are symmetrically installed inside the vehicle body, and a rotating rod is rotatably connected between the installation boxes, and a sliding groove is symmetrically opened inside the support plate, and a screw is rotatably connected between the sliding groove and the installation box, and first rotating teeth are symmetrically installed on the outer sides of both ends of the rotating rod, and a second rotating tooth is installed at the bottom end of the screw, and the first rotating tooth and the second rotating tooth are meshingly connected, and a moving sleeve is threadedly connected to the outer side of the screw, and a lifting plate is fixedly connected between the moving sleeves, and a rotating wheel is installed at the top of the screw, and a belt is sleeved between the outer sides of the rotating wheels.

[0009] Preferably, a fixed plate is installed on one side of the vehicle body, and a movable frame is slidably connected inside the fixed plate, and a threaded rod is threadedly connected inside the top of the movable frame, and the bottom end of the threaded rod is rotatably connected to the fixed plate, and an insert block is installed inside the bottom end of the movable frame, and the insert block is snap-connected to the outer side of one end of the rotating rod.

[0010] Preferably, the rotating assembly includes a rotating plate rotatably connected to one end of the vehicle body, and card plates are symmetrically installed on both sides of the rotating plate, and a limit box is symmetrically installed on one side of the support plate, and a U-shaped rod is slidably connected inside one end of the limit box, and a slide plate is installed at one end of the U-shaped rod located inside the limit box, and telescopic springs are sleeved on the outside of both ends of the U-shaped rod, and a sliding rod is symmetrically installed on one side of the slide plate, and the sliding rod is slidably connected inside one end of the limit box, and a tooth plate is installed at one end of the sliding rod, and one side of the tooth plate is clamped and fixed with the card plate.

[0011] Preferably, the bottom end of the lifting plate is detachably connected to a rubber pad.

[0012] Preferably, there is a clearance fit between the inner side of the bottom end of the movable frame and the outer side of the rotating rod.

[0013] Preferably, a handle is installed at one end of the rotating rod.

[0014] Preferably, the clamping plate is clamped and connected to the support plate.

[0015] Compared with the prior art, the beneficial effects of the utility model are as follows: the material lifting device for construction, the specific contents of which are as follows: the staff rotates the rotating rod to drive the rotation of the first rotating tooth, the first rotating tooth drives the rotation of the second rotating tooth, and through the cooperation between the rotating wheel and the belt, multiple sets of screws are driven to rotate, so that the lifting plate moves up and down between the support plates, so that the bricks are squeezed and limited by the downward movement of the support plate, so that the bricks can be effectively prevented from falling during transportation, and the safety of the staff during use is greatly improved. Through the reset property of the telescopic spring, the tooth plate and the card plate are engaged and fixed, so as to achieve the effect of quickly fixing the limiting rotating plate, and the rotating plate and the support plate are fitted together, so that the bricks on the top of the vehicle body are blocked on all four sides, thereby further reducing the phenomenon of bricks and other building materials falling.

[0016] 1. The staff rotates the rotating rod to drive the first rotating tooth to rotate, the first rotating tooth drives the second rotating tooth to rotate, the rotation of the second rotating tooth drives the screw to rotate, the rotation of the screw wheel drives the plurality of sets of screws to rotate through the cooperation between the wheel and the belt, and the rotation of the screw drives the plurality of sets of moving sleeves to slide in the slide groove, thereby making the lifting plate move up and down between the supporting plates, thereby squeezing and limiting the bricks by moving the supporting plates downward, thereby effectively preventing the bricks from falling during transportation, greatly improving the safety of the staff during use, and bringing convenience to the staff during use, by rotating the threaded rod on the fixed plate, thereby making the moving frame slide inside the fixed plate, thereby making the moving frame move up to squeeze and limit the rotating rod, and then by engaging and fixing the insert block with the rotating rod, the rotating rod can be fixed and limited, thereby preventing the rotating rod from being affected by external force and causing the lifting plate to deviate;

[0017] 2. By rotating the rotating plate to fit it into the supporting plate, and pulling the U-shaped rod to drive the slide plate to slide inside the limit box, the telescopic spring contracts, and the slide bar slides inside the limit box, and by loosening the U-shaped rod and then through the reset property of the telescopic spring, the tooth plate and the clamping plate are engaged and fixed, so as to achieve the effect of quickly fixing the limited rotating plate, and through the fit between the rotating plate and the supporting plate, the bricks on the top of the vehicle body are blocked on all four sides, thereby further reducing the phenomenon of bricks and other building materials falling off, and when the rotating plate rotates away from the vehicle body, one end of the rotating plate is in contact with the ground, so that the staff can assist in unloading through the inclined slope generated by the rotating plate, thereby greatly reducing the unloading strength of materials such as bricks, which brings convenience to the staff when using it. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a cross-sectional view of the overall structure of the utility model;

[0019] Figure 2This is a schematic diagram of the overall side view structure of the utility model;

[0020] Figure 3 It is a partially enlarged side view structural schematic diagram of the limiting mechanism in the utility model;

[0021] Figure 4 It is a schematic diagram of the enlarged structure of part A in the utility model;

[0022] Figure 5 It is a schematic diagram of the overall side view of the operating structure of the utility model.

[0023] In the figure: 1. body; 101. support plate; 102. back plate; 103. push rod; 2. limit mechanism; 201. installation box; 202. rotating rod; 203. slide groove; 204. screw rod; 205. first rotating tooth; 206. second rotating tooth; 207. moving sleeve; 208. lifting plate; 209. rotating wheel; 210. belt; 211. fixed plate; 212. moving frame; 213. threaded rod; 214. plug block; 215. rubber pad; 216. handle; 3. rotating assembly; 301. rotating plate; 302. card plate; 303. limit box; 304. U-shaped rod; 305. slide plate; 306. telescopic spring; 307. slide rod; 308. tooth plate. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the implementation regulations described are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] See also Figure 1-5 The utility model provides a technical solution: a material lifting device for construction, comprising a vehicle body 1, support plates 101 are symmetrically installed on both sides of the top of the vehicle body 1, a back plate 102 is installed on one side of the top of the vehicle body 1, and a push rod 103 is installed on one side of the top of the back plate 102; a limited position mechanism 2 is arranged inside the support plate 101, and a rotating component 3 is arranged at one end of the vehicle body 1;

[0026] The limiting mechanism 2 includes a mounting box 201 symmetrically mounted inside the vehicle body 1, and a rotating rod 202 is rotatably connected between the mounting boxes 201, and a slide groove 203 is symmetrically opened inside the support plate 101, and a screw 204 is rotatably connected between the slide groove 203 and the mounting box 201, and first rotating teeth 205 are symmetrically mounted on the outer sides of both ends of the rotating rod 202, and a second rotating tooth 206 is mounted on the bottom end of the screw 204, and the first rotating tooth 205 and the second rotating tooth 206 are meshed and connected, and a moving sleeve 207 is threadedly connected to the outer side of the screw 204, and a lifting plate 208 is fixedly connected between the moving sleeves 207, and a rotating wheel 209 is mounted on the top of the screw 204, and a belt 210 is sleeved between the outer sides of the rotating wheels 209, so that the bricks are squeezed and limited by moving the support plate 101 downward, thereby effectively preventing the bricks from falling during transportation, greatly improving the safety of the staff when using it, and bringing convenience to the staff when using it;

[0027] A fixed plate 211 is installed on one side of the vehicle body 1, and a moving frame 212 is slidably connected inside the fixed plate 211, and the inner side of the bottom end of the moving frame 212 is gap-matched with the outer side of the rotating rod 202, and a threaded rod 213 is threadedly connected inside the top of the moving frame 212, and the bottom end of the threaded rod 213 is rotatably connected to the fixed plate 211, and an insert block 214 is installed inside the bottom end of the moving frame 212, and the insert block 214 is snap-connected with the outer side of one end of the rotating rod 202, and the threaded rod 213 is rotated on the fixed plate 211, so that the moving frame 212 is rotated in the fixed plate 211. The movable frame 212 moves upward to squeeze and limit the rotating rod 202, and then the insert block 214 is engaged and fixed with the rotating rod 202, so that the rotating rod 202 can be fixed and limited, and the rotating rod 202 is prevented from being affected by external forces and causing the lifting plate 208 to deviate. The bottom end of the lifting plate 208 is detachably connected with a rubber pad 215. The design of the rubber pad 215 can make the fixing of the building materials more stable. A handle 216 is installed at one end of the rotating rod 202. The design of the handle 216 makes it convenient for the staff to operate the rotating rod 202.

[0028] The rotating assembly 3 includes a rotating plate 301 rotatably connected to one end of the vehicle body 1, and a clamping plate 302 is symmetrically installed on both sides of the rotating plate 301, and the clamping plate 302 is clamped and connected with the supporting plate 101, and a limit box 303 is symmetrically installed on one side of the supporting plate 101, and a U-shaped rod 304 is slidably connected inside one end of the limit box 303, and a slide plate 305 is installed at one end of the U-shaped rod 304 located inside the limit box 303, and telescopic springs 306 are sleeved on the outer sides of both ends of the U-shaped rod 304, and a sliding rod 307 is symmetrically installed on one side of the slide plate 305, and the sliding rod 307 is symmetrically installed on one side of the slide plate 305, and the sliding rod 307 is located inside one end of the limit box 303 and slidably connected, and the sliding A tooth plate 308 is installed at one end of the rod 307, and one side of the tooth plate 308 is engaged and fixed with the clamping plate 302, so as to achieve the effect of quickly fixing the limiting rotating plate 301, and the rotating plate 301 is fitted with the support plate 101, so that the bricks on the top of the vehicle body 1 are blocked on all four sides, thereby further reducing the phenomenon of bricks and other building materials falling. When the rotating plate 301 rotates away from the vehicle body 1, one end of the rotating plate 301 is in contact with the ground, so that the staff can assist in unloading through the inclined slope generated by the rotating plate 301, thereby greatly reducing the unloading strength of materials such as bricks, which brings convenience to the staff when using it.

[0029] Working principle: Before using this kind of construction material lifting device, you need to check the overall condition of the device to make sure it can work normally. Figure 1 - Figure 5As shown, by stacking bricks and other building materials on the top of the vehicle body 1, the staff rotates the rotating rod 202 to drive the first rotating tooth 205 to rotate, the first rotating tooth 205 drives the second rotating tooth 206 to rotate, the rotation of the second rotating tooth 206 drives the screw 204 to rotate, the rotation of the rotating wheel 209 of the screw 204, through the cooperation between the rotating wheel 209 and the belt 210, thereby driving multiple groups of screws 204 to rotate, the rotation of the screw 204 drives multiple groups of moving sleeves 207 to slide inside the slide groove 203, and then the lifting plate 208 moves up and down between the support plates 101, so that the bricks are squeezed and limited by the downward movement of the support plate 101, so that the bricks can be effectively prevented from being transported. The phenomenon of falling occurs, which greatly improves the safety of the staff when using it and brings convenience to the staff when using it. The threaded rod 213 is rotated on the fixed plate 211, so that the movable frame 212 slides inside the fixed plate 211, so that the movable frame 212 moves up to squeeze and limit the rotating rod 202, and then the plug block 214 is engaged and fixed with the rotating rod 202, so that the rotating rod 202 can be fixed and limited, and the rotating rod 202 is prevented from being affected by external forces and causing the lifting plate 208 to deviate. The design of the rubber pad 215 can make the building material fix more stably, and the design of the handle 216 makes it convenient for the staff to operate the rotating rod 202;

[0030] By rotating the rotating plate 301, one side of the rotating plate 301 is fitted with the supporting plate 101, so that the clamping plate 302 is clamped and connected with the supporting plate 101, and then the slide plate 305 is driven to slide inside the limit box 303 by pulling the U-shaped rod 304. At this time, the telescopic spring 306 contracts, so that the slide bar 307 slides inside the limit box 303, and the U-shaped rod 304 is released, and the resetting property of the telescopic spring 306 is used to make the tooth plate 308 and the clamping plate 302 clamped and fixed, thereby It can achieve the effect of quickly fixing the limiting rotating plate 301, and through the fit between the rotating plate 301 and the support plate 101, the bricks on the top of the vehicle body 1 are blocked on all four sides, thereby further reducing the phenomenon of bricks and other building materials falling. When the rotating plate 301 rotates away from the vehicle body 1, one end of the rotating plate 301 fits with the ground, so that the staff can assist in unloading through the inclined slope generated by the rotating plate 301, thereby greatly reducing the unloading strength of bricks and other materials, bringing convenience to the staff when using.

[0031] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A material lifting device for construction, comprising a vehicle body (1), support plates (101) being symmetrically mounted on both sides of the top of the vehicle body (1), a back plate (102) being mounted on one side of the top of the vehicle body (1), and a push rod (103) being mounted on one side of the top of the back plate (102); It is characterized in that Also includes: A limiting mechanism (2) is arranged inside the support plate (101), and a rotating assembly (3) is arranged at one end of the vehicle body (1); The limiting mechanism (2) comprises a mounting box (201) symmetrically mounted inside the vehicle body (1), a rotating rod (202) is rotatably connected between the mounting boxes (201), a sliding groove (203) is symmetrically provided inside the support plate (101), a screw rod (204) is rotatably connected between the sliding groove (203) and the mounting box (201), first rotating teeth (205) are symmetrically mounted on the outer sides of both ends of the rotating rod (202), a second rotating tooth (206) is mounted at the bottom end of the screw rod (204), the first rotating tooth (205) and the second rotating tooth (206) are meshedly connected, a moving sleeve (207) is threadedly connected on the outer side of the screw rod (204), a lifting plate (208) is fixedly connected between the moving sleeves (207), a rotating wheel (209) is mounted on the top end of the screw rod (204), and a belt (210) is sleeved between the outer sides of the rotating wheels (209).

2. A construction material lifting device according to claim 1, characterized in that: A fixed plate (211) is installed on one side of the vehicle body (1), and a movable frame (212) is slidably connected inside the fixed plate (211), and a threaded rod (213) is threadedly connected inside the top of the movable frame (212), and the bottom end of the threaded rod (213) is rotatably connected to the fixed plate (211), and an insert block (214) is installed inside the bottom end of the movable frame (212), and the insert block (214) is engaged and connected with the outer side of one end of the rotating rod (202).

3. A material lifting device for construction according to claim 1, characterized in that: The rotating assembly (3) comprises a rotating plate (301) rotatably connected to one end of the vehicle body (1), and a clamping plate (302) is symmetrically installed on both sides of the rotating plate (301), and a limit box (303) is symmetrically installed on one side of the support plate (101), and a U-shaped rod (304) is slidably connected inside one end of the limit box (303), and a slide plate (305) is installed at one end of the U-shaped rod (304) located inside the limit box (303), and telescopic springs (306) are sleeved on the outer sides of both ends of the U-shaped rod (304), and a sliding rod (307) is symmetrically installed on one side of the slide plate (305), and the sliding rod (307) is slidably connected inside one end of the limit box (303), and a tooth plate (308) is installed on one end of the sliding rod (307), and one side of the tooth plate (308) is clamped and fixed with the clamping plate (302).

4. A construction material lifting device according to claim 1, characterized in that: The bottom end of the lifting plate (208) is detachably connected to a rubber pad (215).

5. A construction material lifting device according to claim 2, characterized in that: The inner side of the bottom end of the movable frame (212) and the outer side of the rotating rod (202) are clearance-matched.

6. A construction material lifting device according to claim 1, characterized in that: A handle (216) is installed at one end of the rotating rod (202).

7. A construction material lifting device according to claim 3, characterized in that: The clamping plate (302) is clamped and connected to the support plate (101).

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