Building prefabricated slab turning device

Abstract

The utility model discloses a building prefabricated slab turning device which comprises a movable cart, and a pair of vertical stand columns are fixedly arranged at the upper end of the cart. The lifting frame is sleeved on the pair of upright posts in a manner of sliding up and down; the lifting frame is rotatably connected with the rotating frame; a hoisting plate is fixedly arranged at the lower end of the rotating frame; studs are fixedly connected to the four corners of the hoisting plate correspondingly, the lower ends of the studs penetrate through preset connecting holes in the four corners of the supporting plate and are in threaded connection with locking nuts, and when the locking nuts are tightened, the building prefabricated slab to be overturned is clamped between the hoisting plate and the supporting plate. An oil cylinder is fixedly arranged on the trolley and is used for driving the lifting frame to slide up and down; the oil cylinder is connected with a pedal type oil pump fixedly arranged on the cart through a pipeline and used for driving the oil cylinder to stretch out and draw back. According to the utility model, under the condition of no large hoisting equipment, the overturning work of the precast slab can be independently completed; and an external power source is not needed, wire connection and pipe connection are not needed, and the device can be moved flexibly and is convenient to use.

Description

Technical Field

[0001] The utility model belongs to the technical field of building construction, and in particular relates to a plate turning device for a building prefabricated plate. Background Art

[0002] The length of the building prefabricated panels exceeds the height limit of transportation, so they are usually loaded in a flat position during transportation. After unloading at the construction site, the prefabricated panels are flipped 90 degrees using a tower crane. The problem with using a tower crane to flip the panels on site is that, first, there are many tower cranes, and each building prefabricated panel is flipped one by one, which takes up a lot of equipment and affects other construction needs; second, in the absence of a tower crane, manual flipping is time-consuming and labor-intensive, and is prone to damage. The flipping device in the prior art, such as the patents with announcement numbers CN203865425U and CN205935719U, includes a fixed base frame and an oil cylinder for flipping. The disadvantage is that the oil cylinder must be connected to the power source by a wire, and the base frame is fixed and cannot be moved, resulting in a lack of flexibility of such devices. The construction site environment is complex and the space is limited, making the arrangement and use of such devices inconvenient. Summary of the invention

[0003] In order to overcome the shortcomings of the background technology, the utility model provides a building prefabricated panel flipping device. The purpose is to design a movable flipping device in the absence of large equipment such as a tower crane, avoid external power source, and independently flip and transfer the building prefabricated panel, thereby improving flexibility and facilitating use in complex construction environments.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a building prefabricated panel flipping device, comprising a movable trolley, a pair of vertical columns fixedly arranged at the upper end of the trolley; a lifting frame can be slidably mounted on the pair of columns up and down; the lifting frame can be rotatably connected to the rotating frame; a hanging plate is fixedly arranged at the lower end of the rotating frame; studs are respectively fixedly connected at the four corners of the hanging plate, the lower ends of the studs pass through the preset connecting holes at the four corners of the support plate, and are threadedly connected with the locking nuts, and are used to clamp the building prefabricated panel to be flipped between the hanging plate and the support plate when the locking nut is tightened; an oil cylinder is fixedly arranged on the trolley, and the telescopic rod of the oil cylinder is connected to the lifting frame, and is used to drive the lifting frame to slide up and down; the oil cylinder is connected to a foot-operated oil pump fixed on the trolley through a pipeline, and is used to drive the oil cylinder to extend and retract.

[0005] As a further optimization, the lifting frame includes a flat plate portion and a sleeve portion fixedly connected to both ends of the flat plate portion, the sleeve portion is sleeved on the column, and is used for the lifting frame to be able to slide up and down and sleeved on a pair of the columns.

[0006] As a further optimization, the rotating frame includes a turntable; a rotating shaft is fixedly arranged at the rear center of the turntable; the rotating shaft is inserted into an axial hole preset in the center of the flat plate portion, and is used for the lifting frame to be rotatably connected to the rotating frame; the rotating shaft passes through the axial hole, and its end is fixedly connected to a large-diameter handwheel, which is used to manually drive the rotating frame to rotate.

[0007] As a further optimization, the front side of the turntable is fixedly connected to a support plate; the hanging plate and the support plate are fixedly connected by a plurality of supporting rods, so that a gap is left between the hanging plate and the turntable to avoid interference.

[0008] As a further optimization, a handrail is fixedly connected to the rear of the cart for pushing the cart to move.

[0009] As a further optimization, a pair of auxiliary legs is also included; one end of the auxiliary leg is hinged to the front of the cart; and a support wheel is provided at the lower part of the other end.

[0010] As a further optimization, the foot-operated oil pump is provided with a pressure relief valve, so that when the pressure relief valve is opened, the telescopic rod of the oil cylinder naturally retracts.

[0011] As a further optimization, a pin hole is provided on the turntable; two positioning holes are provided on the flat plate, namely a first positioning hole and a second positioning hole, which are respectively used for when the support plate is horizontal, the pin shaft passes through the pin hole and the first positioning hole to fix the rotating frame, and when the support plate is vertical, the pin shaft passes through the pin hole and the second positioning hole to fix the rotating frame.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] (1) The device does not require an external power source, no wiring, no pipe connection, and is flexible and can be flexibly transferred at the construction site.

[0014] (2) The device can be operated by one operator, which is labor-saving and convenient.

[0015] (3) This device can independently complete the flipping of prefabricated panels without the need for large lifting equipment.

[0016] (4) When unloading, the prefabricated panels can be directly transferred after flipping, which is highly efficient. In other words, the prefabricated panels stacked on the truck can be grabbed and flipped, and the unloading and flipping work can be completed at one time, which improves efficiency.

[0017] (5) The device has a simple structure, is easy to manufacture and has low cost.

[0018] In short, this device can independently complete the flipping of prefabricated panels without large-scale lifting equipment; it does not require an external power source, no wiring, and no pipes, and can be transferred flexibly and easily, making it easy to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the planar structure of the embodiment of the utility model when grabbing a building prefabricated panel;

[0020] Figure 2 It is a schematic diagram of the three-dimensional structure of the prefabricated building panel of the embodiment of the utility model when it is laid flat.

[0021] Figure 3 It is a schematic diagram of the three-dimensional structure of the prefabricated building panel when erected according to an embodiment of the utility model.

[0022] The correspondence between the technical features and the reference numerals in the figure is: cart 1; cylinder 11; foot-operated oil pump 12; pipeline 13; handrail 14; column 2; lifting frame 3; flat plate portion 31; sleeve portion 32; first positioning hole 33; second positioning hole 34; pin 35; rotating frame 4; turntable 41; rotating shaft 42; hand wheel 43; lifting plate 44; stud 45; support plate 46; support rod 47; support plate 5; locking nut 51; auxiliary support foot 6; prefabricated building panel 7; wooden pad 71; stacking support 72. DETAILED DESCRIPTION

[0023] The following is a clear and complete description of the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings of the present invention. Obviously, the described embodiments are only a part of the preferred embodiments of the present invention, rather than all the embodiments. It should be understood by those skilled in the art that these implementation methods are only used to explain the technical principles of the present invention and are not intended to limit the scope of protection of the present invention.

[0024] Example 1: Please refer to Figure 1-3 ;

[0025] The utility model provides the following technical solutions: a building prefabricated panel flipping device, which is used for flipping prefabricated ALC lightweight wall panels, comprises a movable trolley 1, a pair of vertical columns 2 are fixedly arranged at the upper end of the trolley 1; a lifting frame 3 is slidably mounted on the pair of columns 2; the lifting frame 3 is rotatably connected to a rotating frame 4; a hanging plate 44 is fixedly arranged at the lower end of the rotating frame 4; studs 45 are respectively fixedly connected at the four corners of the lower surface of the hanging plate 44, the lower ends of the studs 45 pass through the preset connecting holes at the four corners of the supporting plate 5, and are threadedly connected with locking nuts 51, so as to clamp the building prefabricated panel 7 to be flipped between the hanging plate 44 and the supporting plate 5 when the locking nuts 51 are tightened; an oil cylinder 11 is fixedly arranged on the trolley 1, so as to drive the lifting frame 3 to slide up and down; the oil cylinder 11 is connected to a foot-operated oil pump 12 fixedly arranged on the trolley 1 through a pipeline 13, so as to drive the oil cylinder 11 to extend and retract.

[0026] When in use, the first step is to insert the pallet 5 under the topmost prefabricated building panel 7 that has been stacked; a wooden pad 71 is usually provided here to leave a gap under each prefabricated building panel; the pallet 5 is inserted into the gap; the second step is to move the cart 1 until each stud 45 is aligned with the connecting hole; the third step is to open the preset pressure relief valve on the pedal cylinder 11, and the telescopic rod of the cylinder 11 retracts under the action of gravity, driving the stud 45 to insert into the connecting hole until the lower end surface of the hanging plate 44 abuts against the upper surface of the prefabricated building panel 7; the fourth step is to tighten the lock on each stud 45 Tighten the nut 51 to complete the clamping of the prefabricated building panel 7; in the fifth step, step on the foot-operated oil pump 12 to drive the telescopic rod of the oil cylinder 11 to extend, grab the prefabricated building panel 7 and lift it; in the sixth step, push and pull the cart 1 to keep the grabbed prefabricated building panel 7 away from the stacking place; in the seventh step, drive the rotating frame 4 to rotate, for example, the prefabricated building panel 7 can be moved to drive the rotating frame 4 to rotate until the prefabricated building panel 7 is vertical, completing the flipping of the prefabricated building panel 7; in the eighth step, transfer the cart 1 to drive the vertical prefabricated building panel 7 to a predetermined position, and the predetermined position is, for example, a stacking rack for vertically arranging prefabricated panels.

[0027] It can be seen that the device does not require an external power source, no wiring, no pipes, and is flexible and mobile. It can be flexibly transferred at the construction site. All operations can be completed by one operator, which is labor-saving and convenient. The flipping of prefabricated panels can be completed without large lifting equipment. It can also be directly completed and then the prefabricated panels can be transferred when unloading, which is highly efficient. Among them, the cart 1 has wheels, preferably universal wheels, so that the cart 1 can be flexibly moved. In addition, multiple prefabricated panels are stacked on the upper end of the stacking support 72, and the stacking support 72 can be a stacking rack; it can also be a truck for transporting prefabricated panels, so that the device can complete the flipping operation synchronously when unloading, thereby improving efficiency. Among them, the oil cylinder 11 is located in the middle of the two columns, which can smoothly push the lifting frame upward.

[0028] An exemplary sliding connection between the lifting frame 3 and the column 2 is shown, wherein the lifting frame 3 includes a flat plate portion 31 and sleeve portions 32 fixedly connected to both ends of the flat plate portion 31 , and the sleeve portions 32 are sleeved on the column 2 so that the lifting frame 3 can slide up and down and be sleeved on a pair of the columns 2 .

[0029] The specific structure of the exemplary rotating frame 4 is as follows: the rotating frame 4 includes a rotating disk 41; a rotating shaft 42 is fixedly arranged at the rear center of the rotating disk 41; the rotating shaft 42 is inserted into a shaft hole preset at the center of the flat plate portion 31, and is used for the lifting frame 3 to rotatably connect to the rotating frame 4; the rotating shaft 42 passes through the shaft hole, and a large-diameter hand wheel 43 is fixedly connected to the end thereof, and is used to manually drive the rotating frame 4 to rotate. The hand wheel 43 can more conveniently drive the rotating frame 4 to rotate.

[0030] In order to avoid interference between the hanging plate 44 and the turntable 41 during rotation, the front side of the turntable 41 is fixedly connected to a support plate 46; the hanging plate 44 and the support plate 46 are fixedly connected by a plurality of support rods 47, so that a gap is left between the hanging plate 44 and the turntable 41 to avoid interference.

[0031] Exemplarily, a handrail 14 is fixedly connected to the rear of the cart 1 for pushing the cart 1. The handrail 14 is located on a side away from the column 2, and the pedal oil pump 12 is located below the handrail 14 for convenient pedal operation.

[0032] In order to increase stability, a pair of auxiliary legs 6 are also included; one end of the auxiliary legs 6 is hinged to the front of the cart 1; and the other end of the auxiliary legs 6 is provided with a support wheel at the bottom. The pair of legs extend forward, so that the support area of ​​the cart 1 is increased and the center of gravity is stable; wherein the legs are hinged, and the position of the support wheel can be adjusted, so that the position of the support wheel can be flexibly adjusted according to the space environment.

[0033] The hydraulic system should have a pressure relief valve, which can be installed on the pipeline 13, the oil cylinder 11 or the oil pump. Preferably, the foot-operated oil pump 12 is provided with a pressure relief valve, so that when the pressure relief valve is opened, the telescopic rod of the oil cylinder 11 naturally retracts. The pressure relief valve is close to the handrail 14, which is convenient for the operator to operate nearby.

[0034] In order to facilitate the transfer and keep the prefabricated building panel 7 in a stable posture, the turntable 41 is provided with a pin hole; the flat plate portion 31 is provided with two positioning holes, namely a first positioning hole 33 and a second positioning hole 34, which are respectively used for when the support plate 5 is horizontal, the pin shaft passes through the pin hole and the first positioning hole 33 to fix the rotating frame 4, and when the support plate 5 is vertical, the pin shaft passes through the pin hole and the second positioning hole 34 to fix the rotating frame 4. It can be seen that the pin shaft, the pin hole and the positioning hole constitute a locking mechanism to control the position of the rotating frame 4, which is conducive to a stable posture and reduced bumps when transferring the prefabricated building panel 7.

[0035] The advantages of this embodiment are as follows:

[0036] (1) The device does not require an external power source, no wiring, no pipe connection, and is flexible and can be flexibly transferred at the construction site.

[0037] (2) The device can be operated by one operator, which is labor-saving and convenient.

[0038] (3) This device can complete the flipping of prefabricated panels without large lifting equipment.

[0039] (4) When unloading, the prefabricated panels can be directly transferred after flipping, which is efficient. In other words, the prefabricated panels 7 stacked on the truck can be grabbed and flipped, and the unloading and flipping work can be completed at one time, which improves efficiency.

[0040] (5) The device has a simple structure, is easy to manufacture and has low cost.

[0041] In short, this device can independently complete the flipping of prefabricated panels without large-scale lifting equipment; it does not require an external power source, no wiring, and no pipes, and can be transferred flexibly and easily, making it easy to use.

[0042] The parts not described in detail in this utility model are prior art; for ordinary technicians in this field, the technical features of the above-mentioned embodiments can be combined arbitrarily. In order to make the description concise, all possible combinations of the technical features in the above-mentioned embodiments are not described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification. The scope of this utility model is defined by the attached claims and their equivalents.

Claims

1. A building prefabricated panel turning device, comprising a movable trolley (1), characterized in that: A pair of vertical columns (2) are fixedly arranged on the upper surface of the cart (1); a lifting frame (3) is slidably mounted on the pair of columns (2); the lifting frame (3) is rotatably connected to a rotating frame (4); a hanging plate (44) is fixedly arranged at the lower end of the rotating frame (4); studs (45) are respectively fixedly connected at the four corners of the hanging plate (44), the lower ends of the studs (45) pass through the preset connection holes at the four corners of the support plate (5), and are threadedly connected to the locking nuts (51), so as to clamp the building prefabricated panel (7) to be flipped between the hanging plate (44) and the support plate (5) when the locking nuts (51) are tightened; An oil cylinder (11) is fixedly mounted on the cart (1), and a telescopic rod of the oil cylinder (11) is connected to a lifting frame (3) for driving the lifting frame (3) to slide up and down; the oil cylinder (11) is connected to a pedal oil pump (12) fixedly mounted on the cart (1) via a pipeline (13) for driving the oil cylinder (11) to extend and retract.

2. The building prefabricated panel turning device according to claim 1 is characterized in that: The lifting frame (3) comprises a flat plate portion (31) and sleeve portions (32) fixedly connected to both ends of the flat plate portion (31); the sleeve portions (32) are sleeved on the upright posts (2) and are used for the lifting frame (3) to be slidable up and down and sleeved on a pair of upright posts (2).

3. The building prefabricated panel turning device according to claim 2 is characterized in that: The rotating frame (4) comprises a rotating disk (41); a rotating shaft (42) is fixedly arranged at the rear center of the rotating disk (41); the rotating shaft (42) is inserted into an axial hole preset at the center of the flat plate portion (31); the rotating shaft (42) passes through the axial hole, and the end of the rotating shaft (42) is fixedly connected to a hand wheel (43) for manually driving the rotating frame (4) to rotate.

4. The building prefabricated panel turning device according to claim 3 is characterized in that: The front side of the rotating disk (41) is fixedly connected to a support plate (46); the hanging plate (44) and the support plate (46) are fixedly connected via a plurality of supporting rods (47) so as to leave a gap between the hanging plate (44) and the rotating disk (41) to avoid interference.

5. The building prefabricated panel turning device according to claim 1 is characterized in that: The rear part of the cart (1) is fixedly connected to a handrail (14).

6. The building prefabricated panel turning device according to claim 1, characterized in that: It also includes a pair of auxiliary legs (6); one end of the auxiliary legs (6) is hinged to the front of the cart (1); A supporting wheel is arranged at the lower part of the other end.

7. The building prefabricated panel turning device according to claim 1, characterized in that: The pedal-type oil pump (12) is provided with a pressure relief valve, which is used to cause the telescopic rod of the oil cylinder (11) to naturally retract when the pressure relief valve is opened.

8. The building prefabricated panel turning device according to claim 3 is characterized in that: The turntable (41) is provided with a pin hole; the flat plate portion (31) is provided with two positioning holes, namely a first positioning hole (33) and a second positioning hole (34), which are respectively used for, when the support plate (5) is horizontal, the pin shaft (35) passes through the pin hole and the first positioning hole (33) to fix the rotating frame (4); when the support plate (5) is vertical, the pin shaft (35) passes through the pin hole and the second positioning hole (34) to fix the rotating frame (4).

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