Prefabricated part hoisting and positioning device for fabricated building

Abstract

The invention discloses a prefabricated part hoisting and positioning device for a fabricated building, and belongs to the technical field of building construction. A prefabricated part hoisting and positioning device for a fabricated building comprises a hoisting support and a winding device, and at least four positioning mechanisms for supporting the four corners of a hollow slab are arranged on the hoisting support; a bearing chain is arranged on the upper side of the positioning mechanism, and a bearing frame is arranged at the other end of the bearing chain. According to the prefabricated part hoisting and positioning device for the fabricated building, the stabilizing plate can rotate towards the lower side and is inserted into the clamping groove in the supporting plate, at the moment, the stabilizing plate and the supporting plate cannot move relatively in the short edge direction of the hoisting support, and therefore the bearing frame cannot shake due to shaking of a rope in the winding device during moving; and the position of the hollow slab connected with the bearing frame is limited, so that the situation that the hollow slab shakes randomly due to interference of factors such as wind power in the transportation process can be avoided, and the stability of the hollow slab in the transportation process is improved.

Description

Technical Field

[0001] The present invention belongs to the technical field of building construction, and particularly relates to a hoisting and positioning device for precast components used in prefabricated buildings. Background Art

[0002] A hollow slab is made of concrete. A slab with a hollow cross-section is called a hollow slab. A hollow slab is lighter in weight than a solid slab of the same span and is convenient for transportation and installation.

[0003] During the building construction process, in order to speed up the construction progress, precast components need to be used and assembled into the building. Hollow slabs are usually installed on the second or third floor of a self-built house. When installing, a hoisting device is required to transport the hollow slabs. During hoisting, the exterior wall panel of the precast component is in a suspended state, vulnerable to the influence of weather, and prone to shaking during hoisting, resulting in unstable hoisting. When the shaking amplitude is too large, it is easy to impact the building structure. Therefore, the present application proposes a hoisting and positioning device for precast components used in prefabricated buildings. Summary of the Invention

[0004] The purpose of the present invention is to provide a hoisting and positioning device for precast components used in prefabricated buildings to solve the problems in the above-mentioned background art that during hoisting, the exterior wall panel of the precast component is in a suspended state, vulnerable to the influence of weather, prone to shaking during hoisting, resulting in unstable hoisting, and when the shaking amplitude is too large, it is easy to impact the building structure.

[0005] To achieve the above purpose, the present invention provides the following technical solution. A hoisting and positioning device for precast components used in prefabricated buildings includes a hoisting support and a winding device. At least four positioning mechanisms for supporting the four corners of the hollow slab are provided on the hoisting support;

[0006] A bearing chain is provided on the upper side of the positioning mechanism. The other end of the bearing chain is provided with a bearing frame, and the bearing frame is connected to the winding device;

[0007] A distribution device is provided on the hoisting support;

[0008] A stabilizing mechanism is provided at the hoisting support. The stabilizing mechanism includes a stabilizing plate, a mounting seat, a push-pull plate, a lifting plate, a lifting device, a support plate, a guiding plate, and an auxiliary track;

[0009] The stabilizing plate is movably connected to the mounting seat. The stabilizing plate is connected with an adjusting mechanism for adjusting the angle of the stabilizing plate. A clamping groove cooperating with the stabilizing plate is provided inside the support plate. The support plate is movably connected to the auxiliary track through the guiding plate.

[0010] In a further technical solution, the positioning mechanism includes a positioning plate, a positioning housing, a positioning motor, and a threaded rod. There are at least two positioning plates, and two of them are symmetrically distributed. The positioning plates are inserted into the positioning housing, and the positioning plates are connected to the threaded rod by threads. The threaded rod is inserted into the positioning housing, and the output end of the threaded rod is connected to the output end of the positioning motor through a coupling. The thread directions of the threaded rod at the positions corresponding to the two positioning plates are opposite.

[0011] In a further technical solution, an arc-shaped portion is provided on one side of the positioning plate, and the arc-shaped portion cooperates with the inner wall of the weight-reducing hole.

[0012] In a further technical solution, a baffle is installed on the positioning plate.

[0013] In a further technical solution, the delivery device includes a delivery track, a slider, a lead screw, and a delivery motor. The delivery track is arranged on the lifting bracket and is parallel to the short side of the lifting bracket. The slider is inserted into the delivery track and is slidably matched with the delivery track. The lead screw is inserted into the delivery track and is connected to the slider by threads. The housing of the winding device is connected to the slider, and the lead screw is connected to the output end of the delivery motor.

[0014] In a further technical solution, there are two delivery devices. The two sliders in the two delivery devices are both connected to the housing of the winding device, and a sprocket and a chain are arranged between the two lead screws in the two delivery devices.

[0015] In a further technical solution, the two sprockets are respectively sleeved on the outer sides of the two lead screws, the two sprockets are connected by a chain, and one of the lead screws is connected to the output end of the delivery motor.

[0016] In a further technical solution, a guiding groove is arranged in the bearing frame, and two vertical plates are arranged above the guiding groove. The stabilizing plate is located in the guiding groove.

[0017] In a further technical solution, there are four stabilizing plates. The two stabilizing plates on the same side of the bearing frame are distributed in a V shape. The supporting plate is arranged on the guiding plate, and the guiding plate is slidably connected to the auxiliary track. The auxiliary track is arranged on the lifting bracket and is parallel to the short side of the lifting bracket.

[0018] In a further technical solution, the adjusting mechanism includes a push-pull plate, a lifting plate, and a lifting device. The stabilizing plate is movably connected to the push-pull plate, the other end of the push-pull plate is movably connected to the lifting plate, and the lifting plate is connected to a lifting device for adjusting the height of the lifting plate.

[0019] Beneficial effects:

[0020] A prefabricated component hoisting and positioning device for prefabricated buildings provided by the present invention. When the positioning motor in the positioning mechanism is started, it can drive the threaded rod to rotate. The two groups of threads with opposite helix directions on the threaded rod can drive the two positioning plates to approach or move away from each other. When the two positioning plates move away from each other until the arc-shaped parts in the positioning plates are attached to the inner wall of the weight-reducing hole, at this time, the positioning mechanism fixes one corner of the hollow plate. Multiple positioning mechanisms are respectively inserted into the four corners of the hollow plate, and the position of the hollow plate can be locked to complete the positioning work of the hollow plate. Through the mutual cooperation of components such as the winding device and the distribution device, the hollow plate can be transported to the position within the stroke.

[0021] A prefabricated component hoisting and positioning device for prefabricated buildings provided by the present invention. The lifting device can drive the lifting plate to move up and down. The lifting plate drives the stabilizing plate to rotate up and down around the mounting seat through the push-pull plate. When the stabilizing plate rotates downward and is inserted into the card slot in the support plate, at this time, the stabilizing plate and the support plate cannot move relative to each other along the short side direction of the hoisting bracket. In this way, the carrying frame will not shake due to the shaking of the rope in the winding device during movement, and the position of the hollow plate connected to the carrying frame is restricted, which can avoid the hollow plate from shaking randomly due to factors such as wind during transportation and improve the stability of the hollow plate during transportation. Description of the Drawings

[0022] Figure 1 The first structural schematic diagram of the prefabricated component hoisting and positioning device for prefabricated buildings in the present invention;

[0023] Figure 2 The second structural schematic diagram of the prefabricated component hoisting and positioning device for prefabricated buildings in the present invention;

[0024] Figure 3 For the present invention Figure 2 The structural schematic diagram of part A in the present invention;

[0025] Figure 4 The third structural schematic diagram of the prefabricated component hoisting and positioning device for prefabricated buildings in the present invention;

[0026] Figure 5 For the present invention Figure 4 The structural schematic diagram of part B in the present invention;

[0027] Figure 6 The structural schematic diagram of the stabilizing mechanism in the present invention;

[0028] Figure 7 The structural schematic diagram of the distribution device in the present invention;

[0029] Explanation of the Reference Numerals:

[0030] 1. Lifting bracket; 2. Positioning mechanism; 201. Positioning plate; 202. Baffle; 203. Positioning housing; 204. Positioning motor; 3. Hollow plate; 301. Weight reduction hole; 4. Load-bearing chain; 5. Load-bearing frame; 6. Rewinding device; 7. Delivery device; 701. Delivery track; 702. Slide block; 703. Lead screw; 8. Stabilizing mechanism; 801. Stabilizing plate; 802. Mounting seat; 803. Push-pull plate; 804. Lifting plate; 805. Support plate; 806. Guide plate; 807. Auxiliary track. Detailed implementation manners

[0031] The following will describe in detail the specific implementation manners of the present invention, but it should be understood that the protection scope of the present invention is not limited by the specific implementation manners.

[0032] As Figures 1-7 shown, a prefabricated component hoisting and positioning device for an assembled building provided by an embodiment of the present invention includes a lifting bracket 1 and a rewinding device 6. At least four positioning mechanisms 2 for supporting the four corners of the hollow plate 3 are provided on the lifting bracket 1.

[0033] A number of weight reduction holes 301 are provided in the hollow plate 3. The hollow plate 3 is made of concrete by casting and is a kind of prefabricated component. A plurality of parallelly distributed weight reduction holes 301 penetrate through the inside of the hollow plate 3. The existence of the weight reduction holes 301 can reduce the overall weight of the hollow plate 3, reduce the input of concrete, and lower the cost.

[0034] Refer to Figures 2-5 , the positioning mechanism 2 includes a positioning plate 201, a positioning housing 203, a positioning motor 204, and a threaded rod. An arc portion is provided on one side of the positioning plate 201, and the arc portion cooperates with the inner wall of the weight reduction hole 301. At least two positioning plates 201 are provided, and two of the positioning plates 201 are symmetrically distributed. The positioning plate 201 is inserted into the positioning housing 203. The positioning plate 201 is connected to the threaded rod by a thread. The threaded rod is inserted into the positioning housing 203, and the threaded rod is connected to the output end of the positioning motor 204 through a coupling. The thread directions of the threaded rod at the positions corresponding to the two positioning plates 201 are opposite. A baffle 202 is installed on the positioning plate 201.

[0035] Starting the positioning motor 204 can drive the threaded rod to rotate. The two groups of threads with opposite directions on the threaded rod can drive the two positioning plates 201 to approach or move away from each other. The two positioning plates 201 move away from each other until the arc portion in the positioning plate 201 fits against the inner wall of the weight reduction hole 301. At this time, the positioning mechanism 2 fixes one corner of the hollow plate 3. A plurality of positioning mechanisms 2 are respectively inserted into the four corners of the hollow plate 3, and the positions of the four corners of the hollow plate 3 can be locked, completing the positioning work of the hollow plate 3. Through the mutual cooperation of components such as the rewinding device 6 and the delivery device 7, the hollow plate 3 can be transported to the position within the stroke.

[0036] In order to pull the hollow plate 3 in the up and down direction, a load-carrying chain 4 is provided above the positioning mechanism 2. The other end of the load-carrying chain 4 is provided with a load-carrying frame 5, and the load-carrying frame 5 is connected to a winding device 6 for adjusting the height of the hollow plate 3. The winding device 6 can take in and release the rope. The end of the rope is connected to the load-carrying frame 5. When the rope is taken in, the load-carrying frame 5 and the hollow plate 3 can be lifted. When the rope is released, the load-carrying frame 5 and the hollow plate 3 fall under the action of their own gravity. In this way, the height of the hollow plate 3 is adjusted. The hollow plate 3 can be lifted from the ground, and then transferred to a suitable position by the distribution device 7. After that, the hollow plate 3 is put down, and thus the movement of the hollow plate 3 is completed.

[0037] In order to adjust the position of the hollow plate 3, a distribution device 7 is provided on the lifting bracket 1. The distribution device 7 is used to adjust the position of the hollow plate 3 in the direction parallel to the short side of the lifting bracket 1.

[0038] Specifically, the distribution device 7 includes a distribution track 701, a slider 702, a lead screw 703, and a distribution motor. The distribution track 701 is provided on the lifting bracket 1 and is parallel to the short side of the lifting bracket 1. The slider 702 is inserted into the distribution track 701 and is slidably matched with the distribution track 701. The lead screw 703 is inserted into the distribution track 701 and is threadedly connected to the slider 702. The housing of the winding device 6 is connected to the slider 702, and the lead screw 703 is connected to the output end of the distribution motor.

[0039] In one implementation: two distribution devices 7 can be provided. The two sliders 702 in the two distribution devices 7 are both connected to the housing of the winding device 6. A sprocket and a chain are provided between the two lead screws 703 in the two distribution devices 7. The two sprockets are respectively sleeved outside the two lead screws 703, and the two sprockets are connected by a chain. One of the lead screws 703 is connected to the output end of the distribution motor.

[0040] In another implementation, two distribution devices 7 are provided, but the lead screw 703 in one of the distribution devices 7 is replaced by a round rod, the threaded hole in the corresponding slider 702 is changed to a round hole, and the distribution motor therein is cancelled, that is, the winding device 6 and the hollow plate 3 are transported by one distribution motor, and the other set of distribution device 7 plays a role of guiding and auxiliary support.

[0041] The winding device 6 realizes the up and down movement of the hollow plate 3 through a rope. During the movement, the hollow plate 3 is prone to swaying left and right due to the influence of the wind. In order to prevent the hollow plate 3 from colliding with other components due to swaying during transportation, a stabilizing mechanism 8 is provided at the lifting bracket 1. The stabilizing mechanism 8 includes a stabilizing plate 801, a mounting seat 802, a push-pull plate 803, a lifting plate 804, a lifting device, a support plate 805, a guide plate 806, and an auxiliary track 807.

[0042] Specifically, the stabilizing plate 801 is movably connected to the mounting seat 802. The mounting seat 802 is arranged on the bearing frame 5. A guiding groove is arranged inside the bearing frame 5, and two vertical plates are arranged above the guiding groove. The stabilizing plate 801 is located inside the guiding groove. The two opposite faces of the two vertical plates are aligned with the two vertical end faces of the guiding groove. The stabilizing plate 801 is movably connected to the push-pull plate 803. The other end of the push-pull plate 803 is movably connected to the lifting plate 804. The lifting plate 804 is connected to a lifting device for adjusting the height of the lifting plate 804. A clamping groove matching with the stabilizing plate 801 is arranged inside the support plate 805. The support plate 805 is movably connected to the auxiliary track 807 through the guiding plate 806.

[0043] More specifically, there are four stabilizing plates 801. The two stabilizing plates 801 on the same side of the bearing frame 5 are distributed in a V-shaped pattern. The support plate 805 is arranged on the guiding plate 806. The guiding plate 806 is slidably connected to the auxiliary track 807. The auxiliary track 807 is arranged on the hoisting bracket 1 and is parallel to the short side of the hoisting bracket 1. The stabilizing plates 801 distributed in a V-shaped pattern provide sufficient stabilizing force, which can avoid the problem that the stabilizing plates 801 and the support plate 805 fall off due to excessive force.

[0044] The lifting device can adopt a hydraulic cylinder. The lifting device can drive the lifting plate 804 to move up and down. The lifting plate 804 pulls the stabilizing plate 801 to rotate up and down around the mounting seat 802 through the push-pull plate 803. When the stabilizing plate 801 rotates downward and is inserted into the clamping groove in the support plate 805, at this time, the stabilizing plate 801 and the support plate 805 cannot move relative to each other along the short side direction of the hoisting bracket 1. In this way, when the bearing frame 5 moves, it will not shake due to the shaking of the rope in the winding device 6, and the position of the hollow plate 3 connected to the bearing frame 5 is restricted, which can avoid the hollow plate 3 from shaking randomly due to the interference of factors such as wind force during transportation.

[0045] In summary: The embodiment of the present invention provides a hoisting and positioning device for precast components used in prefabricated buildings. By starting the positioning motor 204, the threaded rod can be driven to rotate. The two groups of threads with opposite helix directions on the threaded rod can drive the two positioning plates 201 to approach or move away from each other. The two positioning plates 201 move away from each other until the arc-shaped portions in the positioning plates 201 are attached to the inner wall of the weight reduction hole 301. At this time, the positioning mechanism 2 fixes one corner of the hollow plate 3. The multiple positioning mechanisms 2 are respectively inserted into the four corners of the hollow plate 3, which can lock the position of the hollow plate 3 and complete the positioning work of the hollow plate 3. Through the mutual cooperation of components such as the winding device 6 and the distribution device 7, the hollow plate 3 can be transported to the position within the stroke.

[0046] The lifting device can adopt a hydraulic cylinder. The lifting device can drive the lifting plate 804 to move up and down. The lifting plate 804 pulls the stabilizing plate 801 to rotate up and down around the mounting seat 802 through the push-pull plate 803. The stabilizing plate 801 rotates downward and is inserted into the card slot in the support plate 805. At this time, the stabilizing plate 801 and the support plate 805 cannot move relative to each other along the short side direction of the lifting bracket 1. In this way, the carrier 5 will not shake due to the shaking of the rope in the winding device 6 during movement, and the position of the hollow plate 3 connected to the carrier 5 is restricted. This can avoid the hollow plate 3 from shaking randomly due to the interference of factors such as wind force during transportation, and improve the stability of the hollow plate 3 during transportation.

[0047] The above discloses only several specific embodiments of the present invention. However, the embodiments of the present invention are not limited thereto, and any changes that can be conceived by those skilled in the art should fall within the protection scope of the present invention.

Claims

1. A precast component hoisting and positioning device for prefabricated buildings, comprising a hoisting bracket (1) and a winding device (6), characterized in that, There are at least four positioning mechanisms (2) provided on the hoisting bracket (1) for supporting the four corners of the hollow slab (3) respectively; A load-bearing chain (4) is provided on the upper side of the positioning mechanism (2), and the other end of the load-bearing chain (4) is provided with a load-bearing bracket (5), and the load-bearing bracket (5) is connected to a winding device (6); A distribution device (7) is provided on the hoisting bracket (1); A stabilizing mechanism (8) is provided at the hoisting bracket (1), and the stabilizing mechanism (8) includes a stabilizing plate (801), a mounting seat (802), a push-pull plate (803), a lifting plate (804), a lifting device, a support plate (805), a guide plate (806), and an auxiliary track (807); The stabilizing plate (801) is movably connected to the mounting seat (802), the stabilizing plate (801) is connected with an adjusting mechanism for adjusting the angle of the stabilizing plate (801), a clamping groove for cooperating with the stabilizing plate (801) is arranged in the support plate (805), and the support plate (805) is movably connected to the auxiliary track (807) through the guide plate (806).

2. The hoisting and positioning device for precast components used in prefabricated buildings according to claim 1, characterized in that, The positioning mechanism (2) includes positioning plates (201), a positioning shell (203), a positioning motor (204), and a threaded rod. There are at least two positioning plates (201), and two of the positioning plates (201) are symmetrically distributed. The positioning plates (201) are inserted into the positioning shell (203), the positioning plates (201) are connected to the threaded rod through threads, the threaded rod is inserted into the positioning shell (203), and the threaded rod is connected to the output end of the positioning motor (204) through a coupling. The thread directions of the threaded rod at the positions corresponding to the two positioning plates (201) are opposite.

3. The precast component hoisting and positioning device for prefabricated buildings according to claim 2, characterized in that, An arc portion is arranged on one side of the positioning plate (201), and the arc portion cooperates with the inner wall of the weight-reducing hole (301).

4. The precast component hoisting and positioning device for prefabricated buildings according to claim 3, characterized in that, A baffle (202) is installed on the positioning plate (201).

5. The hoisting and positioning device for precast components used in prefabricated buildings according to claim 1, wherein, The distribution device (7) includes a distribution track (701), a slider (702), a lead screw (703), and a distribution motor. The distribution track (701) is arranged on the hoisting bracket (1) and is parallel to the short side of the hoisting bracket (1). The slider (702) is inserted into the distribution track (701) and is slidably matched with the distribution track (701). The lead screw (703) is inserted into the distribution track (701) and is connected to the slider (702) through threads. The housing of the winding device (6) is connected to the slider (702), and the lead screw (703) is connected to the output end of the distribution motor.

6. The hoisting and positioning device for precast components used in prefabricated buildings according to claim 1, characterized in that, There are two distribution devices (7), and the two sliders (702) in the two distribution devices (7) are both connected to the housing of the winding device (6). A sprocket and a chain are arranged between the two lead screws (703) in the two distribution devices (7).

7. The hoisting and positioning device for prefabricated components used in prefabricated buildings according to claim 6, wherein, The two sprockets are respectively sleeved on the outer sides of the two lead screws (703), the two sprockets are connected by a chain, and one of the lead screws (703) is connected to the output end of the distribution motor.

8. The hoisting and positioning device for precast components used in prefabricated buildings according to claim 1, characterized in that, A guide groove is arranged in the load-bearing bracket (5), and two vertical plates are arranged above the guide groove. The stabilizing plate (801) is located in the guide groove.

9. The hoisting and positioning device for precast components used in prefabricated buildings according to claim 1, wherein, There are four stabilizing plates (801) provided, and the two stabilizing plates (801) on the same side of the carrier (5) are distributed in a V shape. The support plate (805) is arranged on the guide plate (806), and the guide plate (806) is slidably connected to the auxiliary track (807). The auxiliary track (807) is arranged on the lifting bracket (1) and is parallel to the short side of the lifting bracket (1).

10. The precast component hoisting and positioning device for prefabricated buildings according to claim 9, characterized in that, The adjusting mechanism includes a push-pull plate (803), a lifting plate (804), and a lifting device. The stabilizing plate (801) is movably connected to the push-pull plate (803), the other end of the push-pull plate (803) is movably connected to the lifting plate (804), and the lifting plate (804) is connected to a lifting device for adjusting the height of the lifting plate (804).

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