Real estate construction auxiliary hoisting device with limiting structure

Abstract

The invention discloses a real estate construction auxiliary hoisting device with a limiting structure, and relates to the technical field of construction auxiliary hoisting devices, the tops of two sides of a hoisting box are respectively connected with the inner sides of two vertical plates of a U-shaped plate, and a transverse plate of the U-shaped plate is connected with a hoisting ring; a protective door capable of being opened and closed is arranged on the front side of the hoisting box, and an opening and closing mechanism is arranged between the hoisting box and the protective door; a first clamping mechanism for clamping the two sides of the building template is arranged in the hoisting box, and the opening and closing mechanism drives the first clamping mechanism to work; a second clamping mechanism for clamping the top of the building template is arranged below the first clamping mechanism, and the first clamping mechanism drives the second clamping mechanism to work; the device is simple and reliable in structure, good in real estate construction auxiliary hoisting effect, convenient to control and suitable for popularization.

Description

Technical Field

[0001] The invention relates to the technical field of construction auxiliary lifting devices, and in particular to a real estate construction auxiliary lifting device with a limiting structure. Background Art

[0002] Real estate construction refers to the production activities in the implementation stage of engineering construction. It is the construction process of various buildings. It can also be said to be the process of turning various lines on the design drawings into physical objects at designated locations. It includes foundation engineering construction, main structure construction, roofing engineering construction, decoration engineering construction, etc.; building templates are usually used in the construction process. Generally, the building templates used in the construction are hoisted by using a hoisting machine to improve work efficiency. During the hoisting, auxiliary hoisting devices are required to place the building templates; The existing auxiliary lifting devices are generally lifting fences or lifting boxes. During use, it is inconvenient to limit and fix the building templates placed in the lifting fences or lifting boxes, so that the building templates are prone to tilting, deflection and shaking under the action of wind during lifting, which can easily cause the building templates to collide with the wall of the lifting box, causing damage to the building templates, and easily cause the building templates to fall from the air, posing a safety hazard to the surrounding workers and buildings. Based on this, we propose a real estate construction auxiliary lifting device with a limiting structure to solve the above problems. Summary of the invention

[0003] In view of the above problems, the present invention provides a real estate construction auxiliary lifting device with a limiting structure, which solves the problem that the existing auxiliary lifting devices are inconvenient to limit and fix the building templates placed in the lifting fence or the lifting box during use, which makes it easy for the building template to tilt, deviate and shake under the action of wind during lifting, and easily causes the building template to collide with the wall of the lifting box, causing damage to the building template, and easily causes the building template to fall from the air, posing a safety hazard to the surrounding workers and buildings.

[0004] The technical solution of the present invention is: an auxiliary lifting device for real estate construction with a limiting structure, comprising a U-shaped plate, a lifting ring and a lifting box; The tops of both sides of the lifting box are respectively connected to the inner sides of the two vertical plates of the U-shaped plate, and the horizontal plates of the U-shaped plate are connected to lifting rings; The front side of the hoisting box is provided with an openable and closable protective door, and an opening and closing mechanism is provided between the hoisting box and the protective door; The hoisting box is provided with a first clamping mechanism for clamping both sides of the building template, and the opening and closing mechanism drives the first clamping mechanism to work; A second clamping mechanism for clamping the top of the building template is provided below the first clamping mechanism, and the first clamping mechanism drives the second clamping mechanism to work.

[0005] Furthermore, the opening and closing mechanism includes a driving member, a first rotating shaft, a worm, a first fixed plate, a worm wheel, a second rotating shaft, a first rotating rod, a first sliding column, a lever, a moving rod, a first mounting block, a gear and a third rotating shaft. A first groove is provided on the front side of the left side wall of the hoisting box, a third rotating shaft is provided for rotating in the first groove, a gear is provided for rotating through the top wall of the first groove at the first end of the third rotating shaft, and one end of the protective door is sleeved on the third rotating shaft; The first and second ends of the second cams are connected to the upper and lower ends of the cams, and the two cams are connected with each other with a toothed structure that is fixedly provided with a toothed structure and a screw thread is connected to the toothed structure so as to prevent the toothed structure from being damaged. The second rotating shaft drives the first clamping mechanism to work by rotating; A rolling mechanism for conveniently driving the movement of the building template is arranged on the bottom wall of the hoisting box, and the third rotating shaft drives the rolling mechanism to work by rotating.

[0006] Furthermore, the first clamping mechanism comprises a clamping rod, a rotating disk, a rotating column, a V-shaped rod, a slider, a third rotating rod, a fourth rotating rod, a fourth rotating shaft, a second fixed plate and a fifth rotating rod, the second end of the second rotating shaft is rotatably connected to the top of the lifting box and is provided with a rotating disk, two rotating columns are respectively connected to the eccentric position of the rotating disk, the two rotating columns are located on the same diameter of the rotating disk, the first end of the V-shaped rod is rotatably connected to the rotating column, the second end of the V-shaped rod is hinged with a slider, and the slider is slidably connected to the top wall of the lifting box; The first end of the third rotating rod is hinged on the front and rear sides of the sliding block, the second end of the third rotating rod is hinged on the first end of the fourth rotating rod, the second end of the fourth rotating rod is penetrated by a fourth rotating shaft, the first end of the fourth rotating shaft is rotatably connected to the top wall of the lifting box, the second end of the fourth rotating shaft is vertically connected to the first end of the fifth rotating rod, a second fixing plate is rotatably sleeved on the fourth rotating shaft between the second end of the fourth rotating rod and the first end of the fifth rotating rod, one end of the second fixing plate is vertically connected to the inner wall of the lifting box, and the second end of the fifth rotating rod is vertically connected to the clamping rod; The slide block drives the second clamping mechanism to work by moving.

[0007] Furthermore, the second clamping mechanism includes a pressure plate, an electric telescopic rod, a first movable plate, a first telescopic rod and a compression spring, the first end of the electric telescopic rod is hinged under the slider, the second ends of the two electric telescopic rods are hinged to the top of the same first movable plate, the bottom of the first movable plate is respectively connected to several first telescopic rods' first ends, several first telescopic rods' second ends are connected to the same pressure plate under, the first telescopic rod between the pressure plate and the first movable plate is sleeved with a compression spring, the first end of the compression spring is connected to the pressure plate, and the second end of the compression spring is connected to the first movable plate.

[0008] Further, the rolling mechanism includes a rolling rod, a second rotating rod, a second sliding column, a first trapezoidal plate, a second trapezoidal plate, a second movable plate, a second telescopic rod and a second mounting block, a second groove is provided in the bottom wall of the lifting box, a first trapezoidal plate is slidably provided on the bottom wall of the second groove, a third groove is provided on the left side of the first trapezoidal plate, and a second slide groove is provided on the bottom wall of the third groove; The second end of the third rotating shaft rotates through the bottom wall of the first groove and the top wall of the second groove and is rotatably connected to the bottom wall of the second groove, the first end of the second rotating rod is sleeved on the third rotating shaft in the second groove, the second rotating rod is vertically connected to the second sliding column, and the second sliding column is connected in the second sliding groove; A second trapezoidal plate is detachably provided on the first trapezoidal plate, the hypotenuse of the first trapezoidal plate is slidably connected to the hypotenuse of the second trapezoidal plate, a second movable plate is provided on the second trapezoidal plate, two first ends of second telescopic rods are respectively connected to the second movable plate, the second ends of the second telescopic rods are connected to the top wall of the second groove, and a plurality of through grooves are respectively provided on the top wall of the second groove above the second movable plate; A plurality of rollers are respectively arranged between the two second telescopic rods. The rollers are rotatably mounted on the second movable plate through second mounting blocks. The rollers are detachably connected to the through slots.

[0009] Furthermore, the driving member is a rotating handle.

[0010] Furthermore, a first T-shaped groove is provided on the top wall of the lifting box, and a first T-shaped protrusion matching with the first T-shaped groove is provided on the sliding block, and the first T-shaped protrusion is slidably connected and arranged in the first T-shaped groove.

[0011] Furthermore, a second T-shaped groove is provided on the bottom wall of the second groove, a second T-shaped protrusion matching with the second T-shaped groove is provided under the first trapezoidal plate, and the second T-shaped protrusion is slidably connected and arranged in the second T-shaped groove.

[0012] Advantages of the present invention: The present invention provides an opening and closing mechanism, so that the protective door can be rotated to open and close the lifting box, and when the protective door is closed, it can be used to seal the lifting box, so as to prevent the building template from being moved out and falling during the lifting process, which may cause safety hazards to the surrounding workers and buildings. When the protective door is opened, it is convenient for the workers to load and unload the building template; by providing a first clamping mechanism, when the protective door is closed, it can be used to seal the lifting box, and at the same time, the clamping rod can be rotated to clamp and fix the two sides of the building template placed in the lifting box, so that the building template is not easy to tilt, deviate and shake under the action of wind during lifting, so that the building template will not collide with the inner wall of the lifting box to cause damage to the building template, thereby increasing the practicality of the device; by providing a second clamping mechanism, when the protective door is closed, it can be used to seal the lifting box and the clamping rod can be rotated to fix the two sides of the building template placed in the lifting box While the two sides of the building formwork are clamped and fixed, the pressure plate moves downward to press down and fix the top of the building formwork in the lifting box, further improving the clamping and limiting effect during the lifting of the building formwork and increasing the stability of the building formwork; by setting up the rolling mechanism, it is realized that when the protective door is opened, it is convenient for the staff to unload the building formwork, the clamping rod is rotated to release the clamping and fixation on both sides of the building formwork placed in the lifting box, and the pressure plate moves upward to release the downward fixation of the top of the building formwork in the lifting box, the roller bar moves upward and then moves into the through groove, so that the roller bar is extended, which is convenient for the staff to place the building formwork on the roller bar for movement, thereby reducing the labor intensity of the staff, and increasing the loading and unloading efficiency, saving time and effort; the present invention has a simple and reliable structure, a good auxiliary lifting effect for real estate construction, is easy to control, and is suitable for popularization.

[0013] In addition to the above-described purposes, features and advantages, the present invention has other purposes, features and advantages. The present invention will be further described in detail with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The drawings constituting a part of this application are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute improper limitations on the present invention.

[0015] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a schematic diagram of the installation of the driving member of the present invention; Figure 3 It is a schematic diagram of the installation of the clamping rod of the present invention; Figure 4 is a schematic diagram of the installation of the second movable plate of the present invention; Figure 5 is a schematic diagram of the installation of the second rotating rod of the present invention; Figure 6 is a schematic diagram of the installation of the second sliding column of the present invention; Figure 7 is a schematic diagram of the installation of the second fixing plate of the present invention; Figure 8 is a schematic diagram of the installation state of the first trapezoidal plate of the present invention; Fig. 9 It is a schematic diagram of the installation of the second rotating rod of the present invention from top view.

[0016] Reference numerals: 1 is a U-shaped plate, 101 is a lifting ring, 102 is a first groove, 103 is a second groove, 104 is a third groove, 105 is a first slide, 106 is a second slide, 2 is a lifting box, 21 is a driving member, 22 is a first rotating shaft, 23 is a worm, 24 is a first fixed plate, 25 is a worm wheel, 26 is a second rotating shaft, 27 is a first rotating rod, 28 is a first sliding column, 29 is a lever, 210 is a moving rod, 211 is a first mounting block, 212 is a gear, 213 is a third rotating shaft, 214 is a protective door, 3 is a clamping rod, 31 is a turntable, 32 is The rotating column, 33 is a V-shaped rod, 34 is a slider, 35 is a third rotating rod, 36 is a fourth rotating rod, 37 is a fourth rotating shaft, 38 is a second fixed plate, 39 is a fifth rotating rod, 310 is a first T-shaped protrusion, 4 is a pressure plate, 41 is an electric telescopic rod, 42 is a first movable plate, 43 is a first telescopic rod, 44 is a compression spring, 5 is a roller rod, 51 is a second rotating rod, 52 is a second sliding column, 53 is a first trapezoidal plate, 54 is a second trapezoidal plate, 55 is a second movable plate, 56 is a second telescopic rod, 57 is a second mounting block, and 58 is a second T-shaped protrusion. DETAILED DESCRIPTION

[0017] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0018] In the description of the present invention, it is necessary to understand that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0019] refer to Figures 1 to 9 , a real estate construction auxiliary lifting device with a limiting structure, comprising a U-shaped plate 1, a lifting ring 101 and a lifting box 2; The tops of both sides of the lifting box 2 are respectively connected to the inner sides of the two vertical plates of the U-shaped plate 1. The lifting box 2 is used to install the U-shaped plate 1. The horizontal plates of the U-shaped plate 1 are connected to the lifting rings 101. The U-shaped plate 1 is used to install the lifting rings 101. The lifting rings 101 are used to move the lifting box 2. A protective door 214 that can be opened and closed is installed on the front side of the lifting box 2. The protective door 214 is used to protect the building template in the lifting box 2. An opening and closing mechanism is installed between the lifting box 2 and the protective door 214. A first clamping mechanism for clamping both sides of the building template is installed in the hoisting box 2, and the opening and closing mechanism drives the first clamping mechanism to work; A second clamping mechanism for clamping the top of the building template is installed under the first clamping mechanism, and the first clamping mechanism drives the second clamping mechanism to work; The opening and closing mechanism includes a driving member 21, a first rotating shaft 22, a worm 23, a first fixed plate 24, a worm wheel 25, a second rotating shaft 26, a first rotating rod 27, a first sliding column 28, a lever 29, a moving rod 210, a first mounting block 211, a gear 212 and a third rotating shaft 213. A first groove 102 is provided on the front side of the left side wall of the hoisting box 2. A third rotating shaft 213 is rotatably installed in the first groove 102. A first end of the third rotating shaft 213 is rotatably inserted through the top wall of the first groove 102 and is provided with a gear 212. One end of the protective door 214 is installed on the third rotating shaft 213. Specifically, a commercially available locking member is installed between the other end of the protective door 214 and the lifting box 2, so as to facilitate a more stable and sealed lifting box 2; Two first fixed plates 24 are vertically connected to the lifting box 2 under the horizontal plate of the U-shaped plate 1, and the same first rotating shaft 22 is rotatably installed between the two first fixed plates 24. The first fixed plate 24 is used to install the first rotating shaft 22. A worm 23 is fixedly sleeved on the first rotating shaft 22. One end of the first rotating shaft 22 rotates through one of the first fixed plates 24 and is connected to a driving member 21; the driving member 21 is a rotating handle, and a worm wheel 25 is meshedly connected to one side of the worm 23. A first end of a second rotating shaft 26 is connected under the worm wheel 25, and a second end of the second rotating shaft 26 is rotatably connected to the top of the lifting box 2. A first rotating shaft 26 is fixedly sleeved on the second rotating shaft 26 between the lifting box 2 and the worm wheel 25. A lever 29 is installed above the first end of the rotating rod 27, and a first sliding groove 105 is provided in the lever 29. A first sliding column 28 is installed on the second end of the first rotating rod 27. The first sliding column 28 is slidably connected and arranged in the first sliding groove 105. A first mounting block 211 is installed on the top of the hoisting box 2 on the left side of the lever 29. A first end of a moving rod 210 is vertically connected to the left side of the lever 29. The second end of the moving rod 210 slides through the first mounting block 211. The first mounting block 211 is used to install the moving rod 210. A rack is installed on the front side of the moving rod 210 that passes through the first mounting block 211, and the rack is meshed and connected with a gear 212. The second rotating shaft 26 drives the first clamping mechanism to work by rotating; A rolling mechanism is installed on the bottom wall of the lifting box 2 to facilitate the movement of the building template, and the third rotating shaft 213 drives the rolling mechanism to work by rotating; Preferably, the driving member 21 rotates to drive the first rotating shaft 22 to rotate, the first rotating shaft 22 rotates to drive the worm 23 to rotate, the worm 23 rotates to drive the worm wheel 25 to rotate, the worm wheel 25 rotates to drive the second rotating shaft 26 to rotate, the second rotating shaft 26 rotates to drive the first rotating rod 27 to rotate, the first rotating rod 27 rotates to drive the first sliding column 28 to rotate, the first sliding column 28 rotates to drive the lever 29 to move, the lever 29 moves to drive the moving rod 210 to move, the moving rod 210 moves to drive the rack to move, the rack moves to drive the gear 212 to rotate, the gear 212 rotates to drive the third rotating shaft 213 to rotate, the third rotating shaft 213 rotates to drive the protective door 214 to rotate, the protective door 214 rotates to open and close the lifting box 2, and when the protective door 214 is closed, it is used to seal the lifting box 2 to prevent the construction template from moving out and falling during the lifting process to cause safety hazards to the surrounding workers and buildings. When the protective door 214 is opened, it is convenient for the workers to load and unload the construction template; The first clamping mechanism includes a clamping rod 3, a turntable 31, a rotating column 32, a V-shaped rod 33, a slider 34, a third rotating rod 35, a fourth rotating rod 36, a fourth rotating shaft 37, a second fixed plate 38 and a fifth rotating rod 39. The second end of the second rotating shaft 26 is rotated through the top of the lifting box 2 and is provided with a turntable 31, and two rotating columns 32 are respectively connected to the eccentric position of the turntable 31. The two rotating columns 32 are located on the same diameter of the turntable 31. The first end of the V-shaped rod 33 is rotatably connected to the rotating column 32, and the second end of the V-shaped rod 33 is hinged with a slider 34, and the slider 34 is slidably connected to the top wall of the lifting box 2; The first end of the third rotating rod 35 is hinged on both the front and rear sides of the slider 34, the second end of the third rotating rod 35 is hinged on the first end of the fourth rotating rod 36, the second end of the fourth rotating rod 36 is penetrated by a fourth rotating shaft 37, the first end of the fourth rotating shaft 37 is rotatably connected to the top wall of the lifting box 2, the second end of the fourth rotating shaft 37 is vertically connected to the first end of the fifth rotating rod 39, a second fixed plate 38 is rotatably installed on the fourth rotating shaft 37 between the second end of the fourth rotating rod 36 and the first end of the fifth rotating rod 39, the second fixed plate 38 is used to install the fourth rotating shaft 37, one end of the second fixed plate 38 is vertically connected to the inner wall of the lifting box 2, and the second end of the fifth rotating rod 39 is vertically connected to the clamping rod 3; The slider 34 drives the second clamping mechanism to work by moving; Preferably, the second rotating shaft 26 rotates to drive the rotating disk 31 to rotate, the rotating disk 31 rotates to drive the rotating column 32 to rotate, the rotating column 32 rotates to drive the V-shaped rod 33 to rotate, the V-shaped rod 33 rotates to drive the slider 34 to move, the slider 34 moves to drive the third rotating rod 35 to rotate, the third rotating rod 35 rotates to drive the fourth rotating rod 36 to rotate, the fourth rotating rod 36 rotates to drive the fourth rotating shaft 37 to rotate, the fourth rotating shaft 37 rotates to drive the fifth rotating rod 39 to rotate, the fifth rotating rod 39 rotates to drive the clamping rod 3 to rotate, the clamping rod 3 rotates to clamp and fix the two sides of the building template placed in the lifting box 2, so that the building template is not easy to tilt, deviate and shake under the action of wind during lifting, so that the building template will not collide with the inner wall of the lifting box 2 to cause damage to the building template, thereby increasing the practicality of the device; The second clamping mechanism includes a pressing plate 4, an electric telescopic rod 41, a first movable plate 42, a first telescopic rod 43 and a compression spring 44. The first end of the electric telescopic rod 41 is hinged under the slider 34. The second ends of the two electric telescopic rods 41 are hinged to the top of the same first movable plate 42. The bottom of the first movable plate 42 is respectively connected to the first ends of a plurality of first telescopic rods 43. The second ends of the plurality of first telescopic rods 43 are connected to the same pressing plate 4. A compression spring 44 is installed on the first telescopic rod 43 between the pressing plate 4 and the first movable plate 42. The first end of the compression spring 44 is connected to the pressing plate 4, and the second end of the compression spring 44 is connected to the first movable plate 42. The electric telescopic rod 41 is used to adjust the height of the pressing plate 4 according to the height of the different number of building templates placed. Preferably, the movement of the slider 34 drives the electric telescopic rod 41 to move, the movement of the electric telescopic rod 41 drives the first moving plate 42 to move, the movement of the first moving plate 42 drives the first telescopic rod 43 to move, the movement of the first telescopic rod 43 drives the pressing plate 4 to move, and the movement of the pressing plate 4 is used to press down and fix the top of the building template in the lifting box 2, further improving the clamping and limiting effect of the building template during the lifting process, and increasing the stability of the building template; The rolling mechanism includes a rolling rod 5, a second rotating rod 51, a second sliding column 52, a first trapezoidal plate 53, a second trapezoidal plate 54, a second movable plate 55, a second telescopic rod 56 and a second mounting block 57. A second groove 103 is provided in the bottom wall of the hoisting box 2, and the first trapezoidal plate 53 is slidably mounted on the bottom wall of the second groove 103. A third groove 104 is provided on the left side of the first trapezoidal plate 53, and a second slide groove 106 is provided on the bottom wall of the third groove 104. The second end of the third rotating shaft 213 rotates through the bottom wall of the first groove 102 and the top wall of the second groove 103 respectively and is rotatably connected to the bottom wall of the second groove 103. The first end of the second rotating rod 51 is installed on the third rotating shaft 213 in the second groove 103. The second rotating rod 51 is vertically connected with the second sliding column 52. The second sliding column 52 is connected in a sliding groove and is arranged in the second sliding groove 106. The first trapezoidal plate 53 is detachably mounted with a second trapezoidal plate 54, the hypotenuse of the first trapezoidal plate 53 is slidably connected with the hypotenuse of the second trapezoidal plate 54, a second movable plate 55 is mounted on the second trapezoidal plate 54, the second movable plate 55 is respectively connected with the first ends of two second telescopic rods 56, the second ends of the second telescopic rods 56 are connected with the top wall of the second groove 103, the second telescopic rods 56 are used to stably move the second movable plate 55, and a plurality of through grooves are respectively provided on the top wall of the second groove 103 above the second movable plate 55; A plurality of rollers 5 are respectively installed between the two second telescopic rods 56. The rollers 5 are rotatably installed on the second movable plate 55 through second mounting blocks 57. The second mounting blocks 57 are used to install the rollers 5. The rollers 5 are detachably connected to the through slots. Preferably, the third rotating shaft 213 rotates to drive the second rotating rod 51 to rotate, the second rotating rod 51 rotates to drive the second sliding column 52 to rotate, the second sliding column 52 rotates to drive the first trapezoidal plate 53 to move, because the second trapezoidal plate 54 is detachably mounted on the first trapezoidal plate 53, and the hypotenuse of the first trapezoidal plate 53 and the hypotenuse of the second trapezoidal plate 54 are slidably connected, so that the first trapezoidal plate 53 moves to move the second trapezoidal plate 54, the second trapezoidal plate 54 moves to drive the second movable plate 55 to move, the second movable plate 55 moves to drive the second mounting block 57 to move, the second mounting block 57 moves to drive the roller rod 5 to move, the movement of the roller rod 5 is used to facilitate the staff to place the building template on the roller rod 5 for movement, thereby reducing the labor intensity of the staff, and increasing the loading and unloading efficiency, saving time and effort; A first T-shaped groove is provided on the top wall of the lifting box 2, and a first T-shaped protrusion 310 matching the first T-shaped groove is installed on the slider 34. The first T-shaped protrusion 310 is slidably connected and arranged in the first T-shaped groove. The first T-shaped groove and the first T-shaped protrusion 310 match to ensure that the slider 34 slides smoothly on the top wall of the lifting box 2. A second T-shaped groove is provided on the bottom wall of the second groove 103, and a second T-shaped protrusion 58 matching the second T-shaped groove is installed under the first trapezoidal plate 53. The second T-shaped protrusion 58 is slidably connected in the second T-shaped groove. The cooperation between the second T-shaped groove and the second T-shaped protrusion 58 ensures that the first trapezoidal plate 53 slides smoothly on the bottom wall of the second groove 103.

[0020] The method of using the present invention is as follows: when it is necessary to lift the building template, the construction auxiliary lifting device is moved to the use site, the hook of the lifting machine is connected to the lifting ring 101, and then the staff rolls the building template into the lifting box 2 through the roller 5, and then the staff opens the electric telescopic rod 41, and adjusts the length of the electric telescopic rod 41 according to the height of the building template, and then the staff rotates the driving member 21, the driving member 21 rotates to drive the first rotating shaft 22 to rotate, the first rotating shaft 22 rotates to drive the worm 23 to rotate, the worm 23 rotates to drive the worm wheel 25 to rotate, the worm wheel 25 rotates to drive the second rotating shaft 26 to rotate, and the second rotating shaft 26 The rotation drives the first rotating rod 27 to rotate, the rotation of the first rotating rod 27 drives the first sliding column 28 to rotate, the rotation of the first sliding column 28 drives the lever 29 to move leftward, the lever 29 moves leftward and drives the moving rod 210 to move leftward, the moving rod 210 moves leftward and drives the rack to move leftward, the rack moves leftward and drives the gear 212 to rotate, the gear 212 rotates and drives the third rotating shaft 213 to rotate, the third rotating shaft 213 rotates and drives the protective door 214 to rotate, the protective door 214 rotates to close the sealed lifting box 2, so as to prevent the construction template from moving out and falling during the lifting process, which may cause safety hazards to the surrounding workers and buildings; At the same time, the rotation of the second rotating shaft 26 drives the rotating disk 31 to rotate, the rotation of the rotating disk 31 drives the rotating column 32 to rotate, the rotation of the rotating column 32 drives the V-shaped rod 33 to rotate, the rotation of the V-shaped rod 33 drives the slider 34 to move toward each other, the movement of the slider 34 drives the third rotating rod 35 to rotate, the rotation of the third rotating rod 35 drives the fourth rotating rod 36 to rotate, the rotation of the fourth rotating rod 36 drives the fourth rotating shaft 37 to rotate, the rotation of the fourth rotating shaft 37 drives the fifth rotating rod 39 to rotate, the rotation of the fifth rotating rod 39 drives the clamping rod 3 to rotate, the rotation of the clamping rod 3 is used to clamp and fix the two sides of the building template placed in the lifting box 2, so that the building template is not easy to tilt, deviate and shake under the action of wind during lifting, so that the building template will not collide with the inner wall of the lifting box 2 to cause damage to the building template, thereby increasing the practicality of the device; At the same time, the sliders 34 move toward each other and drive the electric telescopic rods 41 to move toward each other. The electric telescopic rods 41 move toward each other and drive the first moving plate 42 to move downward. The first moving plate 42 moves downward and drives the first telescopic rod 43 to move downward. The first telescopic rod 43 moves downward and drives the pressing plate 4 to move downward. The pressing plate 4 moves downward to press down and fix the top of the building template in the lifting box 2, further improving the clamping and limiting effect of the building template during lifting, and increasing the stability of the building template. At the same time, the third rotating shaft 213 rotates to drive the second rotating rod 51 to rotate, and the second rotating rod 51 rotates to drive the second sliding column 52 to rotate, and the second sliding column 52 rotates to drive the first trapezoidal plate 53 to move leftward. Since the second trapezoidal plate 54 is detachably installed on the first trapezoidal plate 53, and the hypotenuse of the first trapezoidal plate 53 and the hypotenuse of the second trapezoidal plate 54 are slidably connected, the first trapezoidal plate 53 moves leftward, and under the action of gravity, the second trapezoidal plate 54 moves downward, and the second trapezoidal plate 54 moves downward to drive the second movable plate 55 to move downward, and the second movable plate 55 moves downward to drive the second mounting block 57 to move downward, and the second mounting block 57 moves downward to drive the roller bar 5 to move downward, and the roller bar 5 moves downward and then moves to the bottom of the through groove, so that the roller bar 5 retracts, thereby facilitating the fixing of the building formwork, and at the same time, the protective door 214 is further closed and locked by the locking member between the other end of the protective door 214 and the lifting box 2, so as to facilitate a more stable and sealed lifting box 2; At this time, the lifting box 2 can be lifted, and when it is lifted to the construction site, the staff rotates the driving member 21 in the opposite direction; at this time, the protective door 214 is opened to facilitate the staff to unload the building formwork; at the same time, the clamping rod 3 is rotated to release the clamping and fixation on both sides of the building formwork placed in the lifting box 2; at the same time, the pressure plate 4 moves upward to release the downward pressure and fixation on the top of the building formwork in the lifting box 2; at the same time, the roller bar 5 moves upward and then moves into the through groove, so that the roller bar 5 is extended, which is used to facilitate the staff to place the building formwork on the roller bar 5 for movement, thereby reducing the labor intensity of the staff, and increasing the loading and unloading efficiency, saving time and effort.

[0021] The present invention provides an opening and closing mechanism, so that the protective door can be rotated to open and close the lifting box, and when the protective door is closed, it can be used to seal the lifting box, so as to prevent the building template from being moved out and falling during the lifting process, which may cause safety hazards to the surrounding workers and buildings. When the protective door is opened, it is convenient for the workers to load and unload the building template; by providing a first clamping mechanism, when the protective door is closed, it can be used to seal the lifting box, and at the same time, the clamping rod can be rotated to clamp and fix the two sides of the building template placed in the lifting box, so that the building template is not easy to tilt, deviate and shake under the action of wind during lifting, so that the building template will not collide with the inner wall of the lifting box to cause damage to the building template, thereby increasing the practicality of the device; by providing a second clamping mechanism, when the protective door is closed, it can be used to seal the lifting box and the clamping rod can be rotated to fix the two sides of the building template placed in the lifting box While the two sides of the building formwork are clamped and fixed, the pressure plate moves downward to press down and fix the top of the building formwork in the lifting box, further improving the clamping and limiting effect during the lifting of the building formwork and increasing the stability of the building formwork; by setting up the rolling mechanism, it is realized that when the protective door is opened, it is convenient for the staff to unload the building formwork, the clamping rod is rotated to release the clamping and fixation on both sides of the building formwork placed in the lifting box, and the pressure plate moves upward to release the downward fixation of the top of the building formwork in the lifting box, the roller bar moves upward and then moves into the through groove, so that the roller bar is extended, which is convenient for the staff to place the building formwork on the roller bar for movement, thereby reducing the labor intensity of the staff, and increasing the loading and unloading efficiency, saving time and effort; the present invention has a simple and reliable structure, a good auxiliary lifting effect for real estate construction, is easy to control, and is suitable for popularization.

[0022] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A real estate construction auxiliary lifting device with a limiting structure, characterized in that: It comprises a U-shaped plate (1), a lifting ring (101) and a lifting box (2); The tops of both sides of the lifting box (2) are respectively connected to the inner sides of two vertical plates of the U-shaped plate (1), and the horizontal plates of the U-shaped plate (1) are connected to lifting rings (101); An openable and closable protective door (214) is provided on the front side of the hoisting box (2), and an opening and closing mechanism is provided between the hoisting box (2) and the protective door (214); A first clamping mechanism for clamping two sides of the building template is provided in the lifting box (2), and the opening and closing mechanism drives the first clamping mechanism to operate; A second clamping mechanism for clamping the top of the building template is provided below the first clamping mechanism, and the first clamping mechanism drives the second clamping mechanism to work.

2. The real estate construction auxiliary lifting device with a limiting structure according to claim 1 is characterized in that: The opening and closing mechanism comprises a driving member (21), a first rotating shaft (22), a worm (23), a first fixed plate (24), a worm wheel (25), a second rotating shaft (26), a first rotating rod (27), a first sliding column (28), a lever (29), a moving rod (210), a first mounting block (211), a gear (212) and a third rotating shaft (213); a first groove (102) is provided on the front side of the left side wall of the hoisting box (2); a third rotating shaft (213) is provided for rotation in the first groove (102); a first end of the third rotating shaft (213) is provided for rotation through the top wall of the first groove (102) and is sleeved with a gear (212); one end of the protective door (214) is sleeved on the third rotating shaft (213); Two first fixed plates (24) are vertically connected to the lifting box (2) under the horizontal plate of the U-shaped plate (1), and a same first rotating shaft (22) is rotatably provided between the two first fixed plates (24). A worm (23) is sleeved on the first rotating shaft (22). One end of the first rotating shaft (22) rotatably passes through one of the first fixed plates (24) and is connected to a driving member (21). A worm wheel (25) is meshingly connected to one side of the worm wheel (23). A first end of a second rotating shaft (26) is connected below the worm wheel (25). A second end of the second rotating shaft (26) is rotatably connected to the top of the lifting box (2). A first rotating rod (27) is sleeved on the second rotating shaft (26) between the lifting box (2) and the worm wheel (25). ) first end, a lever (29) is provided above the first rotating rod (27), a first sliding groove (105) is provided in the lever (29), a first sliding column (28) is provided on the second end of the first rotating rod (27), the first sliding column (28) is slidably connected and arranged in the first sliding groove (105), a first mounting block (211) is provided on the top of the hoisting box (2) on the left side of the lever (29), a first end of a moving rod (210) is vertically connected to the left side of the lever (29), the second end of the moving rod (210) slides through the first mounting block (211), a rack is provided on the front side of the moving rod (210) that penetrates the first mounting block (211), and the rack is meshingly connected with a gear (212); The second rotating shaft (26) drives the first clamping mechanism to work by rotating; A rolling mechanism is provided on the bottom wall of the lifting box (2) for conveniently driving the building template to move, and the third rotating shaft (213) drives the rolling mechanism to work by rotating.

3. The real estate construction auxiliary lifting device with a limiting structure according to claim 2 is characterized in that: The first clamping mechanism comprises a clamping rod (3), a rotating disk (31), a rotating column (32), a V-shaped rod (33), a slider (34), a third rotating rod (35), a fourth rotating rod (36), a fourth rotating shaft (37), a second fixed plate (38) and a fifth rotating rod (39); the second end of the second rotating shaft (26) is rotatably connected to the top of the lifting box (2) and is provided with a rotating disk (31); two rotating columns (32) are respectively connected to the eccentric positions of the rotating disk (31); the two rotating columns (32) are located on the same diameter of the rotating disk (31); the first end of the V-shaped rod (33) is rotatably connected to the rotating column (32); the second end of the V-shaped rod (33) is hinged to a slider (34); the slider (34) is slidably connected to the top wall of the lifting box (2); The first end of a third rotating rod (35) is hingedly connected to both the front and rear sides of the slider (34); the second end of the third rotating rod (35) is hingedly connected to the first end of a fourth rotating rod (36); a fourth rotating shaft (37) runs through the second end of the fourth rotating rod (36); the first end of the fourth rotating shaft (37) is rotatably connected to the top wall of the hoisting box (2); the second end of the fourth rotating shaft (37) is vertically connected to the first end of a fifth rotating rod (39); a second fixed plate (38) is rotatably sleeved on the fourth rotating shaft (37) between the second end of the fourth rotating rod (36) and the first end of the fifth rotating rod (39); one end of the second fixed plate (38) is vertically connected to the inner wall of the hoisting box (2); the second end of the fifth rotating rod (39) is vertically connected to the clamping rod (3); The slide block (34) drives the second clamping mechanism to work by moving.

4. The real estate construction auxiliary lifting device with a limiting structure according to claim 3 is characterized in that: The second clamping mechanism comprises a pressing plate (4), an electric telescopic rod (41), a first movable plate (42), a first telescopic rod (43) and a compression spring (44); the first end of the electric telescopic rod (41) is hingedly connected to the bottom of the slider (34); the second ends of the two electric telescopic rods (41) are hingedly connected to the top of the same first movable plate (42); the first ends of a plurality of first telescopic rods (43) are respectively connected to the bottom of the first movable plate (42); the second ends of the plurality of first telescopic rods (43) are connected to the same pressing plate (4); a compression spring (44) is sleeved on the first telescopic rod (43) between the pressing plate (4) and the first movable plate (42); the first end of the compression spring (44) is connected to the pressing plate (4); and the second end of the compression spring (44) is connected to the first movable plate (42).

5. The real estate construction auxiliary lifting device with a limiting structure according to claim 2 is characterized in that: The rolling mechanism comprises a rolling rod (5), a second rotating rod (51), a second sliding column (52), a first trapezoidal plate (53), a second trapezoidal plate (54), a second movable plate (55), a second telescopic rod (56) and a second mounting block (57); a second groove (103) is provided in the bottom wall of the hoisting box (2); a first trapezoidal plate (53) is slidably provided on the bottom wall of the second groove (103); a third groove (104) is provided on the left side of the first trapezoidal plate (53); and a second sliding groove (106) is provided on the bottom wall of the third groove (104); The second end of the third rotating shaft (213) is respectively rotated to penetrate the bottom wall of the first groove (102) and the top wall of the second groove (103) and is rotatably connected to the bottom wall of the second groove (103); the first end of the second rotating rod (51) is sleeved on the third rotating shaft (213) in the second groove (103); the second rotating rod (51) is vertically connected to the second sliding column (52); the second sliding column (52) is connected to the sliding groove and is arranged in the second sliding groove (106); A second trapezoidal plate (54) is detachably provided on the first trapezoidal plate (53); the hypotenuse of the first trapezoidal plate (53) and the hypotenuse of the second trapezoidal plate (54) are slidably connected; a second movable plate (55) is provided on the second trapezoidal plate (54); the first ends of two second telescopic rods (56) are respectively connected to the second movable plate (55); the second ends of the second telescopic rods (56) are connected to the top wall of the second groove (103); and a plurality of through grooves are respectively provided on the top wall of the second groove (103) above the second movable plate (55); A plurality of rolling rods (5) are respectively arranged between the two second telescopic rods (56); the rolling rods (5) are rotatably mounted on the second movable plate (55) via second mounting blocks (57); and the rolling rods (5) are detachably connected to the through slots.

6. The real estate construction auxiliary lifting device with a limiting structure according to claim 2 is characterized in that: The driving member (21) is a rotating handle.

7. The real estate construction auxiliary lifting device with a limiting structure according to claim 2 is characterized in that: A first T-shaped groove is provided on the top wall of the lifting box (2), and a first T-shaped protrusion (310) matching with the first T-shaped groove is provided on the sliding block (34). The first T-shaped protrusion (310) is slidably connected and arranged in the first T-shaped groove.

8. The auxiliary lifting device for real estate construction with a limiting structure according to claim 5, characterized in that: A second T-shaped groove is provided on the bottom wall of the second groove (103), a second T-shaped protrusion (58) matching with the second T-shaped groove is provided under the first trapezoidal plate (53), and the second T-shaped protrusion (58) is slidably connected and arranged in the second T-shaped groove.

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