Lifting device for prefabricated building assembly

Abstract

The utility model relates to the field of prefabricated buildings, and discloses a lifting device for prefabricated building assembly, which comprises a bottom plate, the top of the bottom plate is fixedly connected with a hydraulic telescopic rod, the top of the hydraulic telescopic rod is fixedly connected with a lifting plate, the top of the bottom plate is fixedly connected with two fixing cylinders, and the fixing cylinders are fixedly connected with the lifting plate. According to the lifting device for prefabricated building assembly, a prefabricated plate is fixed to the lifting plate through a limiting mechanism, a hydraulic telescopic rod is started to enable the lifting plate to ascend, the supporting column is moved out of the fixing barrel along with the lifting plate, and the supporting column is matched with a clamping plate and a chamfer in the fixing frame; if a hydraulic telescopic rod is invalid or damaged after being used for a long time to cause descending of a lifting plate, under the action of a spring in a fixing frame, a clamping plate can be clamped between clamping teeth to limit the position of a supporting column, the stability and safety of the device are improved, and the problem that an existing lifting device for building and assembling cannot lift a prefabricated part safely and stably is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of prefabricated buildings, in particular to a lifting device for assembling prefabricated buildings. Background Art

[0002] Prefabricated building construction Prefabricated buildings refer to concrete structures that are produced in factories and then transported to the site by appropriate means of transportation and assembled using reliable installation methods, including prefabricated monolithic concrete structures and fully prefabricated concrete structures. In construction engineering, they are referred to as prefabricated buildings, and in structural engineering, they are referred to as prefabricated structures. Fully prefabricated buildings refer to buildings in which all structural components are produced in factories and transported to the site for assembly.

[0003] The patent with publication number CN 219771564 U discloses an auxiliary device for lifting and flipping of assembled building exterior wall panels, which includes a base, a clamping plate connected to the top of the base through a lifting mechanism, a groove is provided inside the clamping plate, and the lifting mechanism is rotatably connected to the top of the base. The device realizes a preliminary positioning effect by arranging a lifting device, a clamping plate and a groove in combination. When the clamping plate is located below the prefabricated board, the lifting device can adjust the bottom of the prefabricated board by the groove on the clamping plate, which plays a good limiting purpose and can be used to support the prefabricated board. However, the device has an adjusting rod that uses a threaded rod and a threaded sleeve and a first motor to extend out of a fixed cylinder to adjust the height of the prefabricated board, but only a structure responsible for lifting and lowering the adjusting rod is set on the turntable, which causes the threaded rod and the threaded sleeve to be subjected to greater pressure during the lifting process of the prefabricated board. Long-term high load is likely to accelerate the aging of the structure and even cause the occurrence of dangerous accidents. Therefore, a lifting device for prefabricated building assembly is proposed to solve the problem that the existing building assembly lifting device is difficult to lift and lower prefabricated parts safely and stably. Utility Model Content

[0004] 1. Technical issues to be solved

[0005] In view of the deficiencies in the prior art, the utility model provides a lifting device for prefabricated building assembly, which solves the above-mentioned problems.

[0006] (II) Technical solution

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a lifting device for prefabricated building assembly, comprising a base plate, a hydraulic telescopic rod is fixedly connected to the top of the base plate, a lifting plate is fixedly connected to the top of the hydraulic telescopic rod, two fixed cylinders are fixedly connected to the top of the base plate, a support column is provided in the inner cavity of the fixed cylinder, the support column is fixedly connected to the lifting plate, a plurality of latches are fixedly connected to the right side of the right support column, a card plate is provided on the inner wall of the fixed cylinder, a chamfer is provided on the left side of the bottom of the card plate, the outer ring of the fixed cylinder on the right side is fixedly connected to a fixed frame, a pull rod and a spring are provided in the inner cavity of the fixed frame, two groups of limit rods are provided on the right side of the fixed frame, a limit mechanism is provided on the top of the lifting plate, one side of the card plate passes through the inner cavity of the fixed cylinder, and the other side is located in the fixed frame, one side of the card plate placed in the fixed cylinder is located between the two latches, the pull rod passes through the inner cavity of the fixed frame, and one side is connected to the card plate by a rotary joint, and the limit rod is fixedly connected to the pull rod and passes through the inner cavity of the fixed frame.

[0008] Preferably, the spring is located on the outer ring of the pull rod and is in a tight and compressed state.

[0009] Preferably, the limiting mechanism includes a limiting frame, which is fixedly connected to the top of the lifting plate, and the inner cavity of the limiting frame is provided with an electric push rod and a limiting plate, the top of the electric push rod is fixedly connected to the top of the inner cavity of the limiting frame, and the bottom is fixedly connected to the limiting plate.

[0010] Preferably, both ends of the inner cavity of the limiting frame are provided with slide grooves, the inner cavity of the slide groove is provided with a slider and a slide rod, the slide rod is fixedly connected in the slide groove, and the slider is fixedly connected to the limiting plate and is located on the outer ring of the slide rod.

[0011] Preferably, a rolling rod is provided on the top of the lifting plate, and the rolling rod is made of elastic rubber material.

[0012] Preferably, lockable universal wheels are provided at the bottom of the base plate.

[0013] (III) Beneficial effects

[0014] 1. The lifting device for prefabricated building assembly fixes the prefabricated panel on the lifting plate by means of a limiting mechanism, and the hydraulic telescopic rod is turned on to raise the lifting plate, and the supporting column is moved out of the fixing tube accordingly, and cooperates with the clamping plate and chamfer in the fixing frame. If the hydraulic telescopic rod fails or is damaged due to long-term use, causing the lifting plate to drop, the spring in the fixing frame will act, and the clamping plate will be clamped between the clamping teeth to limit the position of the supporting column, thereby improving the stability and safety of the device and solving the problem that the existing lifting device for building assembly is difficult to lift the prefabricated parts safely and stably.

[0015] 2. The lifting device for prefabricated building assembly can open the electric push rod to drive the limit plate to move downward when the prefabricated panel is placed on the lifting plate. The slider and the slide bar in the slide groove can improve the stability of the limit plate when it moves up and down, and achieve the purpose of pressing and fixing different prefabricated panels. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is the structural diagram of the utility model;

[0017] Figure 2 The utility model structure Figure 1 Enlarged view of point A in the middle;

[0018] Figure 3 This is a cross-sectional view of the structure of the utility model;

[0019] Figure 4 The utility model structure Figure 1 Enlarged view of point B in the middle.

[0020] In the figure: 1. bottom plate; 2. hydraulic telescopic rod; 3. lifting plate; 4. fixing cylinder; 5. supporting column; 6. latching teeth; 7. clamping plate; 8. chamfering; 9. fixing frame; 10. pull rod; 11. spring; 12. limit rod; 13. limit mechanism; 131. limit frame; 132. electric push rod; 133. limit plate; 134. slide groove; 135. slider; 136. slide rod; 14. roller rod; 15. lockable universal wheel. DETAILED DESCRIPTION

[0021] 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 described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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.

[0022] Example: See Figure 1-4A lifting device for prefabricated building assembly includes a bottom plate 1, a hydraulic telescopic rod 2 is fixedly connected to the top of the bottom plate 1, a lifting plate 3 is fixedly connected to the top of the hydraulic telescopic rod 2, two fixed cylinders 4 are fixedly connected to the top of the bottom plate 1, a support column 5 is provided in the inner cavity of the fixed cylinder 4, the support column 5 is fixedly connected to the lifting plate 3, a plurality of clamping teeth 6 are fixedly connected to the right side of the right support column 5, a clamping plate 7 is provided on the inner wall of the fixed cylinder 4, a chamfer 8 is provided on the left side of the bottom of the clamping plate 7, and the outer ring of the right fixed cylinder 4 is fixed A fixed frame 9 is connected, and a pull rod 10 and a spring 11 are provided in the inner cavity of the fixed frame 9. Two sets of limit rods 12 are provided on the right side of the fixed frame 9. A limit mechanism 13 is provided on the top of the lifting plate 3. One side of the clamping plate 7 passes through the inner cavity of the fixed cylinder 4, and the other side is located in the fixed frame 9. One side of the clamping plate 7 placed in the fixed cylinder 4 is located between two clamping teeth 6. The pull rod 10 passes through the inner cavity of the fixed frame 9, and one side is connected to the clamping plate 7 by a rotating joint. The limit rod 12 is fixedly connected to the pull rod 10 and passes through the inner cavity of the fixed frame 9.

[0023] Furthermore, the spring 11 is located on the outer ring of the pull rod 10 and is in a tight and compressed state. The spring 11 in the tight state is compressed to ensure that there is always a force on the clamping plate 7 toward the fixed tube 4, so that the clamping plate 7 is located between the clamping teeth 6, thereby limiting the position of the support column 5.

[0024] Furthermore, the limiting mechanism 13 includes a limiting frame 131, which is fixedly connected to the top of the lifting plate 3. The inner cavity of the limiting frame 131 is provided with an electric push rod 132 and a limiting plate 133. The top of the electric push rod 132 is fixedly connected to the top of the inner cavity of the limiting frame 131, and the bottom is fixedly connected to the limiting plate 133.

[0025] Furthermore, both ends of the inner cavity of the limit frame 131 are provided with slide grooves 134, and the inner cavity of the slide groove 134 is provided with a slider 135 and a slide rod 136, the slide rod 136 is fixedly connected in the slide groove 134, the slider 135 is fixedly connected to the limit plate 133 and is located at the outer ring of the slide rod 136, when the prefabricated panel is placed on the lifting plate 3, the electric push rod 132 can be turned on to drive the limit plate 133 to move downward, and under the action of the slider 135 and the slide rod 136 in the slide groove 134, the stability of the limit plate 133 when moving up and down is improved, and the purpose of pressing and fixing different prefabricated panels is achieved.

[0026] Furthermore, a roller bar 14 is provided on the top of the lifting plate 3. The roller bar 14 is made of elastic rubber material. The rubber roller bar 14 on the lifting plate 3 prevents the prefabricated plate from being directly contacted and squeezed with the lifting plate 3 to avoid scratches on the surfaces of both. In addition, the roller bar 14 can make it easier to place and remove the prefabricated plate.

[0027] Furthermore, a lockable universal wheel 15 is provided at the bottom of the base plate 1, and the lockable universal wheel 15 can be used to move the prefabricated building assembly lifting device to a desired position and then locked, so that the device can be used to lift the prefabricated panels at various positions later.

[0028] Working principle: When using this prefabricated building assembly lifting device, the prefabricated panel is placed on the lifting plate 3, fixed by the limiting mechanism 13, and then the hydraulic telescopic rod 2 is turned on to drive the lifting plate to rise. During the process, the support column 5 is moved out of the fixed tube 4. By using the card plate 7 and chamfer 8 in the fixing frame 9, the card teeth 6 and the card plate 7 will not interfere with each other when the lifting plate 3 rises, but will limit the descent of the lifting plate 3. If the hydraulic telescopic rod 2 fails or is damaged after long-term use, causing the lifting plate 3 to descend, the card plate 7 will be stuck between the card teeth 6 to limit the position of the support column 5 in conjunction with the spring 11 in the fixing frame 9, thereby improving the stability and safety of the device and solving the problem that the existing building assembly lifting device is difficult to lift and lower the prefabricated parts safely and stably; when the lifting plate 3 needs to be lowered, the pull rod 10 on the fixing frame 9 is used to move the card plate 7 out of the fixed tube 4, and the limiting rod 12 is also pulled out of the fixing frame 9, and then the pull rod 10 is rotated ninety degrees, and the position of the card plate 7 is fixed in conjunction with the limiting rod 12, and the lifting plate 3 can be lowered by the hydraulic telescopic rod 2.

[0029] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0030] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A lifting device for prefabricated building assembly, comprising a base plate (1), characterized in that: The top of the bottom plate (1) is fixedly connected to a hydraulic telescopic rod (2), the top of the hydraulic telescopic rod (2) is fixedly connected to a lifting plate (3), the top of the bottom plate (1) is fixedly connected to two fixed cylinders (4), the inner cavity of the fixed cylinder (4) is provided with a support column (5), the support column (5) is fixedly connected to the lifting plate (3), the right side of the right support column (5) is fixedly connected to a plurality of latching teeth (6), the inner wall of the fixed cylinder (4) is provided with a latching plate (7), the bottom left side of the latching plate (7) is provided with a chamfer (8), the outer ring of the right fixed cylinder (4) is fixedly connected to a fixed frame (9), the fixed The inner cavity of the frame (9) is provided with a pull rod (10) and a spring (11), two groups of limit rods (12) are provided on the right side of the fixed frame (9), and a limit mechanism (13) is provided on the top of the lifting plate (3). One side of the clamping plate (7) passes through the inner cavity of the fixed cylinder (4), and the other side is located in the fixed frame (9). One side of the clamping plate (7) placed in the fixed cylinder (4) is located between the two clamping teeth (6). The pull rod (10) passes through the inner cavity of the fixed frame (9), and one side is connected to the clamping plate (7) by a rotating joint. The limit rod (12) is fixedly connected to the pull rod (10) and passes through the inner cavity of the fixed frame (9).

2. A lifting device for prefabricated building assembly according to claim 1, characterized in that: The spring (11) is located on the outer ring of the pull rod (10) and is in a tight and compressed state.

3. A lifting device for prefabricated building assembly according to claim 1, characterized in that: The limiting mechanism (13) comprises a limiting frame (131), the limiting frame (131) is fixedly connected to the top of the lifting plate (3), the inner cavity of the limiting frame (131) is provided with an electric push rod (132) and a limiting plate (133), the top of the electric push rod (132) is fixedly connected to the top of the inner cavity of the limiting frame (131), and the bottom is fixedly connected to the limiting plate (133).

4. A lifting device for prefabricated building assembly according to claim 3, characterized in that: Slide grooves (134) are provided at both ends of the inner cavity of the limiting frame (131), and a slider (135) and a slide rod (136) are provided in the inner cavity of the slide groove (134). The slide rod (136) is fixedly connected in the slide groove (134), and the slider (135) is fixedly connected to the limiting plate (133) and is located on the outer ring of the slide rod (136).

5. The lifting device for prefabricated building assembly according to claim 1, characterized in that: A rolling rod (14) is arranged on the top of the lifting plate (3), and the rolling rod (14) is made of elastic rubber material.

6. A lifting device for prefabricated building assembly according to claim 1, characterized in that: The bottom of the base plate (1) is provided with lockable universal wheels (15).

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