Building material hoisting device for construction site

Abstract

The utility model discloses a building material hoisting device for a construction site, which relates to the technical field of building material hoisting and comprises a lifting rotating arm, a telescopic arm is arranged at the top end of the lifting rotating arm, a shaking protective fence is arranged at one end, far away from the lifting rotating arm, of the telescopic arm, and an unlocking fixing module is arranged at the bottom end of the shaking protective fence. And the bottom end of the unlocking fixing module is fixedly connected with a hoisting crane. Rapid replacement of the lifting hook is achieved through the connecting clamping base and the connecting supporting base, so that the lifting hook replacement operation is simple, convenient and rapid, the lifting efficiency of different building materials is improved, different requirements of various building materials for the lifting hook shape and the grabbing mode can be rapidly met, and the lifting operation is more flexible and efficient; and unfolding and folding of the protective barrier are achieved through the hydraulic driving rod and the opening and closing linkage assembly, so that the protective barrier can clamp the periphery of the material, shaking of the material in the conveying process is reduced, shaking displacement generated by moving after the building material is lifted is reduced, and potential safety hazards caused by swinging are reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to building material hoisting technical field, concretely is a building site building material hoisting device. BACKGROUND

[0002] The building site building material hoisting device is a device for lifting and carrying building materials during construction, and many building materials in the building site are large in size and heavy in weight, which cannot be carried manually. The hoisting device has strong lifting capacity and can easily lift these heavy and large building materials and place them at appropriate construction positions. The extension, lifting and rotation of the lifting arm are controlled by a hydraulic system, and the building materials are hoisted by a lifting hook.

[0003] The existing technology has the following problems:

[0004] Various building materials need to be hoisted at the building site, and different building materials have different requirements for the shape, size and grabbing method of the lifting hook. The existing hoisting device often needs manual replacement of the lifting hook, which is complicated and time-consuming, reduces the transportation efficiency of the building materials, and the movement of the hoisted building materials produces shaking displacement, which easily causes safety hazards and damage to the building materials, reducing the stability and safety of hoisting. SUMMARY

[0005] The utility model provides a building site building material hoisting device to solve the problems in the above background.

[0006] To solve the above technical problems, the utility model adopts the following technical scheme:

[0007] A building site building material hoisting device, comprising a lifting and rotating arm, wherein the top end of the lifting and rotating arm is provided with a telescopic arm, the end of the telescopic arm away from the lifting and rotating arm is provided with a shaking guardrail, the bottom end of the shaking guardrail is provided with an unlocking and fixing module, and the bottom end of the unlocking and fixing module is fixedly connected with a lifting hook.

[0008] The utility model technical scheme is further improved in that the unlocking and fixing module comprises a connecting clamping seat, the connecting clamping seat is concave, the top end of the connecting clamping seat is fixedly connected with a connecting beam through the left and right sides, the outer surface of the connecting beam is rotatably connected to the bottom end inside the shaking guardrail, the middle part of the left and right ends of the connecting clamping seat is provided with a placing clamping groove, the rear side of the left and right ends of the connecting clamping seat is rotatably connected with a side edge anti-dropping rotating plate, the end of the two side edge anti-dropping rotating plates away from the connecting clamping seat is respectively threadedly connected with a fixing screw on the front side of the left and right ends of the connecting clamping seat, and the bottom of the connecting clamping seat is provided with a connecting support base.

[0009] A further improvement of this utility model is that: the connecting support base includes a base body, and two movable limiting grooves are opened inside the base body on the same straight line. A movable connecting groove is opened above the movable limiting grooves at the top of the base body. A movable limiting block is slidably connected to the inner side of the movable limiting groove. A connecting plug is fixedly connected to the top of the movable limiting block. The top of the connecting plug extends to the outer side of the top of the base body through the movable connecting groove. A contact block is fixedly connected to the top of the connecting plug. A telescopic spring is fixedly connected to the opposite side of the two movable limiting blocks. The end of the telescopic spring away from the movable limiting block is fixedly connected to the inner side of the movable limiting groove. The bottom end of the base body is fixedly connected to the top of the lifting hook.

[0010] A further improvement of this utility model is that the diameter of the connecting plug is the same as the diameter of the placement slot, and the diameter of the contact block is greater than the diameter of the connecting plug.

[0011] A further improvement of the present invention is that the swaying guardrail includes a supporting connecting column, the top end of which is rotatably connected to the end of the telescopic arm away from the lifting rotating arm, the bottom end of which is rotatably connected to the outer surface of the connecting beam, four hydraulic drive rods are evenly arranged on the outer surface of the supporting connecting column, an adjustment and movement groove is provided below the hydraulic drive rod, the adjustment and movement groove is opened on the outer surface of the supporting connecting column, and an opening and closing linkage component is provided at the bottom end of the hydraulic drive rod.

[0012] A further improvement of this utility model is that: the opening and closing linkage assembly includes a rotating support column, one end of each of the four rotating support columns is fixedly connected to the outer surface of the supporting connecting column located below the adjustment and moving groove, the end of the rotating support column away from the supporting connecting column is rotatably connected to a guardrail, a linkage drive block is arranged parallel to the top of the rotating support column, the top of the linkage drive block is fixedly connected to the bottom of the hydraulic drive rod, the linkage drive block is slidably connected to the inner side of the adjustment and moving groove near the supporting connecting column, both horizontally parallel ends of the linkage drive block are rotatably connected to moving connecting rods, and the opposite ends of the two moving connecting rods away from the linkage drive block are rotatably connected to the outer side of the guardrail.

[0013] A further improvement of this utility model is that the width of the linkage drive block is equal to the width of the rotating support column, and the two moving links can be connected by the rotating support column.

[0014] Due to the adoption of the above technical solution, the technological progress achieved by this utility model compared to the prior art is as follows:

[0015] 1. The building site building material hoisting device can realize quick replacement of the lifting hook through the connection of the clamping seat and the connecting support base, so that the lifting hook replacement operation is simple and fast, the stability and reliability of the connection are ensured by using the moving limiting block, the connecting plug column, the extension spring and other components, the problem of complicated and time-consuming manual replacement of the lifting hook of the existing hoisting device is solved, the hoisting efficiency of different building materials is greatly improved, the different requirements of various building materials for the shape, size and grabbing mode of the lifting hook can be quickly adapted, and the hoisting operation is more flexible and efficient.

[0016] 2. The building site building material hoisting device can realize unfolding and folding of the protective guardrail through the hydraulic drive rod and the opening and closing linkage assembly, can clamp the material around the protective guardrail, reduce the shaking of the material during transportation, and can control the opening and closing of the protective guardrail on one side through the hydraulic drive rod, adapt to irregular materials, effectively reduce the shaking displacement generated by the movement of the building material after being lifted, reduce the safety hazards caused by swinging, protect the building material from being damaged, significantly improve the stability and safety of hoisting, ensure stable transportation of the building material during hoisting, and reduce the potential threat to the surrounding environment and personnel. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a structural schematic view of the utility model;

[0018] Figure 2 It is a structural schematic view of the unlocking fixed module of the utility model;

[0019] Figure 3 It is a structural schematic view of the connecting support base of the utility model;

[0020] Figure 4 It is a schematic view of the shaking protective guardrail in the folded state of the utility model;

[0021] Figure 5 It is a structural schematic view of the opening and closing linkage assembly of the utility model.

[0022] In the drawing: 1, lifting rotating arm; 2, telescopic arm; 3, shaking protective guardrail; 31, support connecting column; 32, hydraulic drive rod; 33, opening and closing linkage assembly; 331, linkage driving block; 332, moving connecting rod; 333, protective guardrail; 334, rotating support column; 34, adjusting moving groove; 4, unlocking fixed module; 41, connecting beam; 42, clamping seat; 43, placing clamping groove; 44, side anti-falling rotating plate; 45, fixed screw; 46, connecting support base; 461, contact block; 462, connecting plug column; 463, moving connecting groove; 464, moving limiting groove; 465, moving limiting block; 466, extension spring; 467, base body; 5, lifting hook. DETAILED DESCRIPTION

[0023] In order to make the technical means, creative features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments:

[0024] As shown in Figures 1-5 The utility model provides a building site building material hoisting device, including lifting rotary arm 1, lifting rotary arm 1 top is provided with telescopic arm 2, and the one end away from lifting rotary arm 1 of telescopic arm 2 is provided with shaking guardrail 3, and the bottom of shaking guardrail 3 is provided with unlocking fixed module 4, and the bottom of unlocking fixed module 4 is fixedly connected with hoisting hook 5.

[0025] Lifting rotary arm 1 can realize the rotary motion of horizontal direction and vertical direction by itself, thereby adjusting the hoisting direction of hoisting hook 5, and telescopic arm 2 can adjust the distance between hoisting hook 5 and the rotary center by changing the length of itself, thereby meeting the requirement of different hoisting radius, and shaking guardrail 3 can protect building materials during hoisting, thereby reducing the shaking amplitude of building materials, and unlocking fixed module 4 can replace different hoisting hook 5 by quick disassembly and fixation.

[0026] Lifting rotary arm 1 and telescopic arm 2 are prior art, and no further explanation is made here.

[0027] As shown in Figure 2 The utility model provides a building site building material hoisting device technical scheme: preferably, unlocking fixed module 4 includes connecting card seat 42, connecting card seat 42 is concave, and connecting card seat 42 top is fixedly connected with connecting beam 41 on both sides and penetrates, and the outer surface middle part of connecting beam 41 is rotatably connected to the inside bottom of shaking guardrail 3, and the middle part of both sides of connecting card seat 42 is provided with placing card slot 43, and both sides of connecting card seat 42 rear side are rotatably connected with side edge anti-rotating plate 44, and the one end away from connecting card seat 42 of two side edge anti-rotating plates 44 is respectively screw-connected with fixed screw 45 on both sides of connecting card seat 42 front side, and the bottom of connecting support base 46 is fixedly connected to the top of hoisting hook 5.

[0028] Connecting card seat 42 provides the basic connection and bearing function for the whole structure, after connecting support base 46 is installed to placing card slot 43, side edge anti-rotating plate 44 is rotated to the appropriate position and fixed screw 45 is tightened, can effectively prevent connecting support base 46 from accidentally coming out during hoisting from the side, avoid that connecting support base 46 is rigidly pulled with connecting card seat 42 when hoisting hook 5 is loaded, avoid frontal confrontation, and connecting support base 46 acts as the intermediate connecting component between connecting card seat 42 and hoisting hook 5, plays the role of force transmission and stable hook position.

[0029] As shown in Figure 3As shown in the utility model provides a kind of building site building material hoisting device technical scheme: preferably, connecting support base 46 includes base body 467, two movement limiting grooves 464 in same straight line are set in the inside of base body 467, movement connecting groove 463 is set in the top of base body 467 above movement limiting groove 464, movement limiting block 465 is slidably connected in the inside of movement limiting groove 464, connecting plug column 462 is fixedly connected at the top of movement limiting block 465, connecting plug column 462 top is extended to the outside of base body 467 top by movement connecting groove 463, connecting plug column 462 top is fixedly connected with contact block 461, two movement limiting blocks 465 opposite sides are fixedly connected with telescopic spring 466, telescopic spring 466 is fixedly connected to the inside of movement limiting groove 464 away from movement limiting block 465, base body 467 bottom is fixedly connected to the top of hoisting hook 5.

[0030] As Figures 2-3 The utility model provides a kind of building site building material hoisting device technical scheme: preferably, the diameter of connecting plug column 462 is same with the diameter of placing card slot 43, the diameter of contact block 461 is greater than the diameter of connecting plug column 462.

[0031] When hoisting hook 5 needs to be connected with connecting card holder 42, movement limiting block 465 is moved by moving connecting plug column 462, and telescopic spring 466 is stretched in the movement process, the distance between two contact blocks 461 can be connected with connecting card holder 42, two connecting plug columns 462 are inserted into placing card slot 43 from both sides of two placing card slots 43, since the diameter of contact block 461 is greater than the diameter of connecting plug column 462 of placing card slot 43, so that, in transport, the bottom of contact block 461 is connected with the inside of connecting card holder 42 in resistance, and side edge anti-rotating plate 44 can prevent connecting plug column 462 from moving out of placing card slot 43, and telescopic spring 466 can further improve stability by its contraction force.

[0032] As Figure 4 The utility model provides a kind of building site building material hoisting device technical scheme: preferably, shaking guardrail 3 includes support connecting column 31, support connecting column 31 top is rotatably connected to the end of telescopic arm 2 away from lifting rotary arm 1, support connecting column 31 bottom is rotatably connected to the outer surface of connecting beam 41, four hydraulic drive rods 32 are uniformly provided on the outer surface of support connecting column 31, adjusting movement groove 34 is provided below hydraulic drive rod 32, adjusting movement groove 34 is set on the outer surface of support connecting column 31, opening and closing linkage assembly 33 is provided at the bottom of hydraulic drive rod 32.

[0033] The support connecting column 31 is the main support structure of the sway guardrail 3, the telescopic action of the hydraulic drive rod 32 can open and close the opening and closing state and angle of the opening and closing linkage assembly 33, the opening and closing linkage assembly 33 can be controlled independently by the connected hydraulic drive rod 32, and the opening and closing linkage assembly 33 can convert the linear motion of the hydraulic drive rod 32 into opening and closing rotary motion.

[0034] As shown in Figure 5 The utility model provides a kind of construction site building material hoisting device technical scheme: preferably, opening and closing linkage assembly 33 includes rotating support 334, four rotating supports 334 one end is respectively fixedly connected with the outer surface of support connecting column 31 below adjusting movement groove 34, rotating support 334 far from the one end of support connecting column 31 is rotatably connected with guardrail 333, rotating support 334 top end is parallelly provided with linkage driving block 331, linkage driving block 331 top end is fixedly connected to the bottom end of hydraulic drive rod 32, linkage driving block 331 is slidably connected to the inboard of adjusting movement groove 34 close to support connecting column 31, the both ends of horizontal parallel of linkage driving block 331 are rotatably connected with movement connecting rod 332, the one end of two movement connecting rods 332 far from linkage driving block 331 is rotatably connected to the outboard of guardrail 333.

[0035] As shown in Figure 5 The utility model provides a kind of construction site building material hoisting device technical scheme: preferably, linkage driving block 331 width is equal to rotating support 334 width, and rotating support 334 can be passed between two movement connecting rods 332.

[0036] When needing to deploy guardrail 333 to protect building material, hydraulic system drives hydraulic drive rod 32 to extend, and the bottom end of hydraulic drive rod 32 fixedly connected linkage driving block 331 moves downward along with hydraulic drive rod 32, linkage driving block 331 only does linear downward sliding motion along adjusting movement groove 34 in the process of moving downward, while one end of movement connecting rod 332 is driven downward by linkage driving block 331, and when one end of movement connecting rod 332 moves downward, it will drive guardrail 333 to rotate around rotating support 334, and four guardrails 333 are deployed synchronously under the cooperation of four linkage driving blocks 331 and movement connecting rods 332, to form a surrounding space finally, to protect building material.

[0037] The working principle of the construction site building material hoisting device will be described in detail below.

[0038] As shown in Figures 1-5As shown, the connecting plug post 462 connected with the support base 46 is slid in the moving limiting groove 464 by moving the limiting block 465, the telescopic spring 466 is stretched, the connecting plug post 462 is plugged into the placing clamping groove 43 of the connecting clamping seat 42 from both sides of the placing clamping groove 43, at this time the contact block 461 is located above the connecting clamping seat 42, the preliminary connection is realized under the contraction force of the telescopic spring 466, then the side anti-dropping rotating plate 44 is rotated and the fixing screw 45 is tightened, the fixed connection of the hook and the connecting clamping seat 42 is completed, the hydraulic system is started, the hydraulic driving rod 32 is stretched, the connecting driving block 331 at the bottom end of the hydraulic driving rod 32 is slid downward along the adjusting moving groove 34, the moving connecting rod 332 is driven to move, the guard rail 333 is pushed to rotate around the rotating column 334, the four guard rails 333 are synchronously unfolded to form the surrounding space, the building materials are prepared to be hoisted, after the hoisting is completed, the hydraulic driving rod 32 is contracted, the guard rail 333 is folded, and the disassembly and replacement can be completed by reverse operation.

[0039] The above is a detailed description of the utility model, but some modifications or improvements can be made on the basis of the utility model, which is obvious to those skilled in the art. Therefore, the modifications or improvements without departing from the spirit of the utility model are within the protection scope of the utility model.

Claims

1. A construction site building material hoisting device comprising a lifting rotary arm (1), characterized in that: The top end of the lifting rotary arm (1) is provided with a telescopic arm (2), one end of the telescopic arm (2) away from the lifting rotary arm (1) is provided with a shaking guardrail (3), the bottom end of the shaking guardrail (3) is provided with an unlocking fixed module (4), and the bottom end of the unlocking fixed module (4) is fixedly connected with a lifting hook (5).

2. A construction site building material hoisting device according to claim 1, characterized in that: The unlocking fixed module (4) comprises a connecting card seat (42), the connecting card seat (42) is concave, the top end of the connecting card seat (42) is fixedly connected with a connecting beam (41) penetrating through left and right, the middle part of the outer surface of the connecting beam (41) is rotatably connected to the inside bottom end of the shaking guardrail (3), the middle part of the left and right ends of the connecting card seat (42) is provided with a placing card slot (43), and the rear side of the left and right ends of the connecting card seat (42) is rotatably connected with a side edge anti-rotating plate (44). The one end of the two side edge anti-rotating plates (44) away from the connecting card seat (42) is respectively and commonly screw-connected with a fixed screw (45) on the front side of the left and right ends of the connecting card seat (42), and the lower side of the connecting card seat (42) is provided with a connecting support base (46), and the bottom end of the connecting support base (46) is fixedly connected to the top end of the lifting hook (5).

3. A construction site building material hoisting device according to claim 2, characterized in that: The connecting support base (46) comprises a base body (467), two moving limiting grooves (464) in the same straight line are formed in the inside of the base body (467), a moving connection groove (463) is formed above the moving limiting grooves (464) at the top end of the base body (467), a moving limiting block (465) is slidably connected to the inside of the moving limiting grooves (464), the top end of the moving limiting block (465) is fixedly connected with a connecting plug column (462), the top end of the connecting plug column (462) extends to the outside of the top end of the base body (467) through the moving connection groove (463), the top end of the connecting plug column (462) is fixedly connected with a contact resisting block (461), the opposite sides of the two moving limiting blocks (465) are fixedly connected with telescopic springs (466), one end of the telescopic spring (466) away from the moving limiting block (465) is fixedly connected to the inside of the moving limiting groove (464), and the bottom end of the base body (467) is fixedly connected to the top end of the lifting hook (5).

4. A construction site building material hoisting device according to claim 3, characterized in that: The diameter of the connecting plug column (462) is the same as that of the placing card slot (43), and the diameter of the contact resisting block (461) is greater than that of the connecting plug column (462).

5. A construction site building material hoisting device according to claim 2, characterized in that: The shaking guardrail (3) comprises a support connecting column (31), the top end of the support connecting column (31) is rotatably connected to one end of the telescopic arm (2) away from the lifting rotary arm (1), the bottom end of the support connecting column (31) is rotatably connected to the outer surface of the connecting beam (41), the outer surface of the support connecting column (31) is uniformly provided with four hydraulic drive rods (32), the lower side of the hydraulic drive rod (32) is provided with an adjusting moving groove (34), the adjusting moving groove (34) is formed in the outer surface of the support connecting column (31), and the bottom end of the hydraulic drive rod (32) is provided with an opening and closing linkage assembly (33).

6. A construction site building material hoisting device according to claim 5, characterized in that: The opening and closing linkage assembly (33) includes rotating support columns (334), four rotating support columns (334) are fixedly connected to the outer surface of the support connecting column (31) below the adjusting moving groove (34) respectively, the end away from the support connecting column (31) of the rotating support column (334) is rotatably connected with the guardrail (333), the top end of the rotating support column (334) is provided with the linkage driving block (331) in parallel, the top end of the linkage driving block (331) is fixedly connected to the bottom end of the hydraulic drive rod (32), the linkage driving block (331) is slidingly connected to the inner side of the adjusting moving groove (34) close to the support connecting column (31), the two ends of the linkage driving block (331) are rotatably connected with the moving connecting rods (332) horizontally and in parallel, the ends away from the linkage driving block (331) of the two moving connecting rods (332) are rotatably connected to the outer side of the guardrail (333).

7. A construction site building material hoisting device according to claim 6, characterized in that: The width of the linkage driving block (331) is equal to the width of the rotating support column (334), and the rotating support column (334) can pass between the two moving connecting rods (332).

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