Retractable door type lifting frame for floor slab dismantling

Abstract

The utility model relates to the technical field of building equipment, and discloses a retractable door type lifting frame for floor dismantling, which comprises a cross beam frame, a retractable assembly and a clamping assembly. According to the telescopic door type lifting frame for floor slab dismantling, the overall height of the device can be flexibly adjusted through the arranged telescopic assemblies, the device can meet the operation requirements of different heights, the applicability of the device is improved, and the telescopic assemblies are disassembled and assembled through the clamping assemblies and the cross beam frame; therefore, the arranged clamping assembly can achieve the effect of convenient disassembly between the cross beam frame and the telescopic assembly, transportation and installation work of the device are facilitated, during disassembly, fixing pieces can be pulled outwards to enable limiting rods to move out of limiting holes in corresponding hexagonal clamping blocks, the limiting effect on the hexagonal clamping blocks is relieved, and the device is convenient to use. And during installation, the limiting rods can be moved out of the hexagonal clamping grooves through the outward fixing pieces.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of building equipment, in particular to a telescopic portal hoisting frame for floor removal. BACKGROUND

[0002] In the process of building construction, floor removal is a common and important operation link, and traditional hoisting equipment usually adopts a fixed-height portal hoisting frame or a crane.

[0003] Although these devices can meet the basic hoisting requirements, they often need to be replaced or adjusted when facing different height operation environments, resulting in reduced construction efficiency and increased cost. With the diversification of building structures and the complication of construction environments, the limitations of traditional equipment are increasingly obvious, and there is an urgent need for a hoisting device that can flexibly adapt to different height requirements to solve the above problems. Therefore, a telescopic portal hoisting frame for floor removal is proposed. CONTENT OF THE UTILITY MODEL

[0004] In view of the deficiencies of the prior art, the application provides a telescopic portal hoisting frame for floor removal, which realizes flexible height adjustment and adapts to different height requirements by the telescopic joint part, and realizes convenient disassembly and assembly of the device through the clamping structure, facilitates transportation and installation, and optimizes the actual use effect of the device.

[0005] To achieve the above purpose, the application provides the following technical scheme: a telescopic portal hoisting frame for floor removal, comprising a beam frame, a telescopic assembly and a clamping assembly, the telescopic assembly comprising two sleeve pipes, each sleeve pipe being slidably sleeved with a telescopic rod, the clamping assembly comprising a hexagonal clamping block fixedly connected to the top end of the two telescopic rods, each hexagonal clamping block being internally provided with a limiting hole, the beam frame being provided at both ends with a hexagonal clamping slot, each hexagonal clamping slot being internally provided with a movable limiting rod, the limiting rod being adapted in size to the limiting hole, the mutually distal ends of the two limiting rods being fixedly connected with a fixing plate, each limiting rod being externally sleeved with a telescopic spring, and the outer surface of the beam frame being provided with an electric hoisting assembly.

[0006] The telescopic assembly can flexibly adjust the height of the device as a whole, adapt to different height operation requirements, and improve the applicability of the equipment. The telescopic assembly is disassembled and assembled with the cross beam through the clamping assembly, so that the clamping assembly can achieve convenient disassembly effect between the cross beam and the telescopic assembly, facilitate the transportation and installation of the device. When disassembling, the fixing plate is pulled outward to make the limiting rod move out of the limiting hole in the corresponding hexagonal clamping block, and the limiting effect of the hexagonal clamping block is released. The telescopic rod can be disassembled from one end of the cross beam. When installing, the fixing plate is pulled outward to make the limiting rod move out of the hexagonal clamping slot, and then the hexagonal clamping block at the top end of the telescopic rod is inserted into the corresponding hexagonal clamping slot, and the fixing plate is loosened. The limiting rod is reset by the elastic force generated by the deformation of the telescopic spring, so that the limiting rod is inserted into the limiting hole in the hexagonal clamping block, and the effect of rapid installation is realized.

[0007] Further, the outer surfaces of the two fixing plates are fixedly connected with the ends of the two telescopic springs away from each other, and the outer surfaces of the cross beam are fixedly connected with the ends of the two telescopic springs close to each other.

[0008] Through the above scheme, the position relationship of the telescopic spring is limited, and the state of the limiting rod can be limited conveniently.

[0009] Further, the inner bottom wall of each sleeve is rotatably connected with a lead screw, and the outer surfaces of the two telescopic rods are threadedly connected with the two lead screws.

[0010] Through the above scheme, when the lead screw rotates, the telescopic rod can move up and down in the corresponding sleeve, so that the height can be adjusted to adapt to different height requirements.

[0011] Further, the inner bottom wall of each sleeve is fixedly connected with two guide rods, and the outer surfaces of the two telescopic rods are slidably sleeved with the four guide rods.

[0012] Through the above scheme, the telescopic rod can move up and down in the inner wall of the sleeve more smoothly through the guide rod.

[0013] Further, the bottom of each lead screw is fixedly connected with a first bevel gear, and the inner wall of each sleeve is rotatably connected with a rotating rod.

[0014] Through the above scheme, the rotating rod can rotate in the corresponding sleeve.

[0015] Further, one end of each rotating rod is fixedly connected with a second bevel gear, and the two second bevel gears are engaged with the two first bevel gears.

[0016] Through the above scheme, the first bevel gear and the second bevel gear are arranged, the direction of transmission can be changed, and the rotation of the lead screw driven by the rotating rod is facilitated.

[0017] Further, the other end of each rotating rod is fixedly connected with a knob, the inner wall of each sleeve is provided with a preset track, and the two sides of the two telescopic rods are slidably sleeved on the inner walls of the two preset tracks.

[0018] Through the above scheme, the knob is arranged to increase the contact area of one end of the rotating rod, facilitate the rotation of the rotating rod, and the preset track is arranged to limit the track of the telescopic rod moving in the inner wall of the sleeve, prevent the telescopic rod from moving out of the inner wall of the sleeve, and optimize the movement process of the telescopic rod.

[0019] Further, the bottom surface of one of the two sleeves is fixedly connected with a support frame, the bottom end of the support frame is fixedly connected with a first base, the bottom surface of the other of the two sleeves is fixedly connected with a second base, and the bottom surfaces of the first base and the second base are fixedly connected with rubber pads.

[0020] Through the above scheme, the first base, the second base and the rubber pad are arranged to improve the stability of the device when it is at rest, and facilitate the demolition and hoisting work of the floor.

[0021] Compared with the prior art, the technical scheme of the present application has the following beneficial effects:

[0022] The telescopic portal hoisting frame for floor demolition can flexibly adjust the height of the device as a whole through the telescopic assembly, adapt to different height operation requirements, improve the applicability of the equipment, and the telescopic assembly can be disassembled from the beam frame through the clamping assembly, so that the clamping assembly can realize convenient disassembly effect between the beam frame and the telescopic assembly, facilitate transportation and installation of the device, and when disassembling, the fixed sheet can be pulled outward to make the limiting rod move out of the limiting hole in the corresponding hexagonal clamping block, so that the limiting effect of the hexagonal clamping block is released, and the telescopic rod can be disassembled from one end of the beam frame, and when installing, the fixed sheet can be pulled outward to make the limiting rod move out of the hexagonal clamping groove, then the hexagonal clamping block at the top end of the telescopic rod is inserted into the corresponding hexagonal clamping groove, and the fixed sheet is loosened, so that the limiting rod is reset by the elastic force generated by the deformation of the telescopic spring, so that the limiting rod is inserted into the limiting hole in the hexagonal clamping block, and the quick installation effect is realized. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is a first overall structure schematic view of the structure of the present application;

[0024] Figure 2 It is a second overall structure schematic view of the structure of the present application;

[0025] Figure 3 is a partial bottom view structural schematic diagram of the structure of the present application;

[0026] Figure 4 is a first partial sectional view structural schematic diagram of the structure of the present application;

[0027] Figure 5 is a second partial sectional view structural schematic diagram of the structure of the present application.

[0028] In the drawings:

[0029] 1, beam frame; 2, telescopic assembly; 201, sleeve; 202, telescopic rod; 203, screw rod; 204, guide rod; 205, first bevel gear; 206, rotating rod; 207, second bevel gear; 208, knob; 209, preset track; 3, clamping assembly; 301, hexagonal clamping block; 302, hexagonal clamping groove; 303, limiting rod; 304, fixed plate; 305, telescopic spring; 4, electric hoisting assembly; 5, support frame; 6, first base; 7, second base; 8, rubber pad. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the scope of protection of the present application.

[0031] Please refer to Figure 1 , Figure 2 and Figure 5 , a telescopic portal hoisting frame for floor removal in the embodiment includes a beam frame 1, a telescopic assembly 2 and a clamping assembly 3. The telescopic assembly 2 includes two sleeves 201. Each sleeve 201 has a telescopic rod 202 slidingly sleeved on the inner wall thereof. Each sleeve 201 has a screw rod 203 rotationally connected to the inner bottom wall thereof. Two telescopic rods 202 are respectively threadedly connected to the outer surfaces of two screw rods 203. When the screw rod 203 rotates, the telescopic rod 202 can move up and down in the corresponding sleeve 201, so that the height can be adjusted to adapt to different height requirements of working conditions. Each sleeve 201 has two guide rods 204 fixedly connected to the inner bottom wall thereof. Two telescopic rods 202 are respectively slidingly sleeved on the outer surfaces of the four guide rods 204. The guide rod 204 arranged can make the telescopic rod 202 move up and down in the inner wall of the sleeve 201 more smoothly. The bottom of each screw rod 203 is fixedly connected with a first bevel gear 205. The inner wall of each sleeve 201 is rotationally connected with a rotating rod 206. The rotating rod 206 can rotate in the corresponding sleeve 201.

[0032] Please refer to Figure 2 , Figure 4 and Figure 5 , one end of each rotating rod 206 is fixedly connected with a second bevel gear 207, and the two second bevel gears 207 are respectively engaged with the two first bevel gears 205. The first bevel gear 205 and the second bevel gear 207 can change the direction of transmission, so as to facilitate the rotation of the lead screw 203 through the rotating rod 206. The other end of each rotating rod 206 is fixedly connected with a knob 208. The inner wall of each sleeve 201 is provided with a preset track 209. The two sides of the two telescopic rods 202 are respectively slidably sleeved in the inner wall of the two preset tracks 209. The preset track 209 can limit the track of the telescopic rod 202 moving in the inner wall of the sleeve 201, prevent the telescopic rod 202 from moving out of the inner wall of the sleeve 201, and optimize the movement process of the telescopic rod 202.

[0033] Please refer to Figure 1 , Figure 2 and Figure 4 , the outer surface of the cross beam frame 1 is provided with an electric hoisting assembly 4. The electric hoisting assembly 4 is a prior art device, and its working principle and internal structure are not described here. However, it is understood that the electric hoisting assembly 4 can be used for hoisting and dismantling the floor. One of the two sleeves 201 is fixedly connected with a support frame 5 on the bottom surface. The bottom end of the support frame 5 is fixedly connected with a first base 6. The bottom surface of the other sleeve 201 is fixedly connected with a second base 7. The bottom surfaces of the first base 6 and the second base 7 are fixedly connected with rubber pads 8. The first base 6, the second base 7 and the rubber pads 8 can improve the stability of the device when it is stationary, and facilitate the hoisting and dismantling work of the floor.

[0034] Please refer to Figure 1 , Figure 3 and Figure 4The clamping assembly 3 comprises a hexagonal clamping block 301 fixedly connected at the top end of the two telescopic rods 202, a limiting hole is formed in the interior of each hexagonal clamping block 301, a hexagonal clamping groove 302 is formed at the two ends of the beam frame 1, a movable limiting rod 303 is installed on the inner wall of each hexagonal clamping groove 302, the size value of the limiting rod 303 is matched with the size value of the limiting hole, when the limiting rod 303 is inserted into the limiting hole in the hexagonal clamping block 301, the hexagonal clamping block 301 can be limited, thereby facilitating the quick installation work between the beam frame 1 and the telescopic assembly 2, the mutually faraway end of the two limiting rods 303 is fixedly connected with a fixing sheet 304, the exterior of each limiting rod 303 is sleeved with a telescopic spring 305, the mutually faraway end of the two telescopic springs 305 is fixedly connected with the outer surface of the two fixing sheets 304 respectively, the mutually close end of the two telescopic springs 305 is fixedly connected with the outer surface of the two sides of the beam frame 1 respectively, the position relationship of the telescopic spring 305 is limited, the state of the limiting rod 303 can be conveniently limited, when the telescopic spring 305 is deformed, an elastic force is generated, thereby facilitating the subsequent position resetting work of the limiting rod 303.

[0035] In the embodiment, the telescopic portal hoisting frame for floor removal can flexibly adjust the overall height of the device through the telescopic assembly 2, adapt to the operation requirements of different heights, and improve the applicability of the equipment. The telescopic assembly 2 is disassembled and assembled with the beam frame 1 through the clamping assembly 3, so that the clamping assembly 3 can achieve the convenient disassembly effect between the beam frame 1 and the telescopic assembly 2, facilitate the transportation and installation work of the device, when disassembling, the fixing sheet 304 is pulled outwards to make the limiting rod 303 move out of the limiting hole in the corresponding hexagonal clamping block 301, the limiting effect of the hexagonal clamping block 301 is released, the telescopic rod 202 can be disassembled from one end of the beam frame 1, when assembling, the fixing sheet 304 is pulled outwards to make the limiting rod 303 move out of the hexagonal clamping groove 302, then the hexagonal clamping block 301 at the top end of the telescopic rod 202 is inserted into the corresponding hexagonal clamping groove 302, and the pulled fixing sheet 304 is loosened, so that the limiting rod 303 is reset by the elastic force generated by the deformation of the telescopic spring 305, thereby making the limiting rod 303 inserted into the limiting hole in the hexagonal clamping block 301, achieving the effect of quick installation.

[0036] The working principle of the above embodiment is that: in use, the length of the corresponding telescopic rod 202 extending out of the sleeve 201 can be adjusted by rotating the knob 208, so as to realize the effect of adjusting the overall height of the device, conveniently adapt to the demolition hoisting requirements of floors of different heights, and improve the applicability of the equipment. When the knob 208 is rotated, the second bevel gear 207 can be driven to rotate through the rotating rod 206. When the second bevel gear 207 rotates, the first bevel gear 205 can drive the lead screw 203 to rotate. When the lead screw 203 rotates, the corresponding telescopic rod 202 can move in the sleeve 201, thereby conveniently adjusting the height of the device subsequently. Then, the different height floors can be hoisted by the electric hoisting assembly 4. When not in use, the telescopic assembly 2 and the beam frame 1 can be disassembled, thereby facilitating subsequent transportation and storage work. When disassembling, the corresponding fixing sheet 304 can be pulled outwards, so that the limiting rod 303 moves out of the reserved hole formed in the corresponding hexagonal clamping block 301, thereby releasing the limiting effect of the hexagonal clamping block 301. In this way, the hexagonal clamping block 301 can be taken out of the hexagonal clamping groove 302, realizing the disassembly of the telescopic assembly 2 and the beam frame 1. After the disassembly of the beam frame 1 and the telescopic assembly 2 is completed, the device can be transported to another place for use.

[0037] It should be noted that, in this document, the terms such as first and second are used merely to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between such entities or operations. In addition, the terms "comprising", "including" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such a process, method, article or equipment. Without more limitations, the element defined by the statement "including a" does not exclude the presence of additional identical elements in the process, method, article or equipment including the element.

[0038] Although the embodiments of the present application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to the embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A telescopic portal hoist frame for floor demolition, comprising a cross beam frame (1), a telescopic assembly (2) and a clamping assembly (3), characterized in that: Said telescopic assembly (2) comprises two sleeves (201), the inner wall of each sleeve (201) is slidably sleeved with a telescopic rod (202), said clamping assembly (3) comprises a hexagonal clamping block (301) fixedly connected at the top of the two telescopic rods (202), the inside of each hexagonal clamping block (301) is provided with a limiting hole, both ends of the cross beam frame (1) are provided with a hexagonal clamping slot (302), the inner wall of each hexagonal clamping slot (302) is provided with a movable limiting rod (303), the size of the limiting rod (303) is matched with the size of the limiting hole, the ends of the two limiting rods (303) away from each other are fixedly connected with a fixed sheet (304), the outside of each limiting rod (303) is sleeved with a telescopic spring (305), and the outer surface of the cross beam frame (1) is provided with an electric hoisting assembly (4).

2. A telescoping portal jacking frame for floor removal according to claim 1, wherein: The ends of the two telescopic springs (305) away from each other are fixedly connected with the outer surfaces of the two fixed sheets (304), and the ends of the two telescopic springs (305) close to each other are fixedly connected with the outer surfaces of the two sides of the cross beam frame (1).

3. A telescoping portal jacking frame for floor removal according to claim 1, wherein: The inner bottom wall of each sleeve (201) is rotatably connected with a lead screw (203), and the two telescopic rods (202) are threadedly connected to the outer surfaces of the two lead screws (203).

4. A telescoping portal jacking frame for floor removal according to claim 1, wherein: The inner bottom wall of each sleeve (201) is fixedly connected with two guide rods (204), and the two telescopic rods (202) are slidably sleeved on the outer surfaces of the four guide rods (204).

5. A telescoping portal jacking frame for floor removal according to claim 3, wherein: The bottom of each lead screw (203) is fixedly connected with a first bevel gear (205), and the inner wall of each sleeve (201) is rotatably connected with a rotating rod (206).

6. A telescoping portal jacking frame for floor removal according to claim 5 wherein: One end of each rotating rod (206) is fixedly connected with a second bevel gear (207), and the two second bevel gears (207) are engaged with the two first bevel gears (205).

7. A telescoping portal jacking frame for floor removal according to claim 6, wherein: The other end of each rotating rod (206) is fixedly connected with a knob (208), and the inner wall of each sleeve (201) is provided with a preset track (209), and the two sides of the two telescopic rods (202) are slidably sleeved on the inner walls of the two preset tracks (209).

8. A telescoping portal jacking frame for floor removal according to claim 1, wherein: The bottom surface of one of the two sleeves (201) is fixedly connected with a support frame (5), the bottom end of the support frame (5) is fixedly connected with a first base (6), the bottom surface of the other of the two sleeves (201) is fixedly connected with a second base (7), and the bottom surfaces of the first base (6) and the second base (7) are fixedly connected with rubber pads (8).

Images