Safety lifting platform for building construction

Abstract

The utility model discloses a safety type building construction lifting platform which comprises a lifting base, a movable workbench is arranged at the upper end of the lifting base, protective frames are rotatably connected to the front side and the rear side of the workbench, protective plates are slidably connected to the interiors of the protective frames, sliding grooves are formed in the middles of the interiors of the protective plates, and the safety type building construction lifting platform further comprises an adjusting mechanism. The adjusting mechanism comprises lead screws, limiting blocks, first limiting grooves, limiting columns and limiting holes, the lead screws are rotationally connected to the middles of the interiors of the sliding grooves, and the limiting blocks are slidably connected to the interiors of the sliding grooves. And the protective frame and the protective plate can be turned over by 90 degrees, so that materials can be conveniently placed, an operation space is vacated for the constructors, and the safety of the lifting platform is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to building construction equipment technical field, concretely is a safe building construction lift platform. BACKGROUND

[0002] Building construction refers to the production activity of engineering construction implementation phase, is the building process of all kinds of buildings, also can be said that the process of the various lines on the design drawing, in the specified place, become the real thing, it includes foundation engineering construction, main structure construction, roofing engineering construction, decoration engineering construction etc., the place of construction operation is called "building construction site" or "construction site", also called the construction site, in the building construction process, people often use various auxiliary construction devices to carry out construction more efficiently, among them, the lift platform is particularly important, when carrying out construction at some higher positions, the lift platform is often used, the existing lift platform can be divided into mobile type, guide rail type, curved arm type, scissor type, chain type, among them, the scissor type lift platform is widely used in construction site due to excellent load capacity, the existing scissor type lift platform is adjusted in height through the expansion of scissors, when needing to lift, the hinge at both ends of the scissors changes the relative angle through the pushing of the hydraulic cylinder, so that the whole scissors structure expands and deforms, the workbench is lifted upwards, the lifting of the workbench is realized, in order to ensure the safety of construction personnel, the workbench is often equipped with guardrails, the guardrails can prevent the construction personnel from falling outside the workbench when operating, the traditional lift platform ensures the safety of the construction personnel on the workbench through the installation of guardrails, the height of the guardrail is fixed, cannot be adjusted according to actual conditions, is prone to lead to the non-standard operation of the construction personnel, such as the influence of construction on the guardrail being too high, the lack of leaning when the construction personnel constructs outward on the guardrail being too low, the area of the workbench is fixed, the material is placed on the workbench and is prone to trip the construction personnel, for this, we put forward a safe building construction lift platform. UTILITY MODEL CONTENTS

[0003] The utility model wants to solve the technical problem of overcoming the existing defects, provide a safe building construction lift platform, be equipped with adjusting mechanism, can the height of the guard board be adjusted according to actual conditions quickly, be convenient for the construction personnel standard construction, still can make the guard frame and guard board carry out ninety degrees overturning, be convenient for placing material, release the operation space for the construction personnel, improved the safety of lift platform, can effectively solve the problem in background art.

[0004] In order to realize the above-mentioned purpose, the utility model provides the following technical scheme: a safe building construction lift platform, including lift base, the upper end of the lift base is equipped with movable workbench, the front and rear sides of workbench are all rotatably connected with guard frame, the inside of guard frame is all slidably connected with guard board, the inside of guard board is equipped with the sliding slot in the middle, still including adjusting mechanism;

[0005] The adjusting mechanism comprises a screw rod, a limiting block, a limiting slot one, a limiting column and a limiting hole, the screw rod is rotationally connected to the middle of the inner part of the sliding groove, the limiting block is slidingly connected to the inner part of the sliding groove, the middle of the inner part of the limiting block is threadedly connected to the outer surface of the vertically adjacent screw rod, the limiting slot one is respectively arranged on the left and right sides of the inner part of the limiting block, the limiting column is respectively slidingly connected to the left and right sides of the inner part of the protection plate, the outer surface of the inner side end of the limiting column is matched and installed with the inner wall of the limiting slot one vertically adjacent to it, the limiting hole is respectively arranged in the middle of the left and right inner walls of the protection frame, and the outer side end of the limiting column is matched and installed with the limiting hole vertically adjacent to it, so as to provide a limiting effect for the protection plate, the adjusting mechanism is provided, the height of the protection plate can be quickly adjusted according to the actual situation, the construction personnel can be facilitated to standardize the construction, the protection frame and the protection plate can be turned by 90 degrees, the materials can be conveniently placed, the operation space of the construction personnel is released, and the safety of the lifting platform is improved.

[0006] Further, the adjusting mechanism further comprises knobs, and the knobs are arranged on the outer surface of the upper end of the screw rod, so as to provide a driving effect for the limiting of the protection plate.

[0007] Further, the adjusting mechanism further comprises a connecting assembly, the connecting assembly comprises a sliding hole, a connecting rod, a spring and a connecting hole, the sliding hole is respectively arranged in the inner four corners of the workbench, the connecting rod is arranged in the middle of the inner part of the sliding hole, the spring is arranged between the lower end of the outer surface of the connecting rod and the top wall of the sliding hole, the spring is sleeved on the outer surface of the connecting rod, the connecting hole is respectively arranged on the left and right sides of the upper end of the protection frame, and the outer side end of the connecting rod is matched and installed with the connecting hole vertically adjacent to it, so as to provide a basis for the deflection of the protection frame.

[0008] Further, the adjusting mechanism further comprises a limiting slot two, and the limiting slot two is respectively arranged on the lower end of the left and right sides of the protection frame, and the top wall of the limiting slot two is matched and installed with the adjacent end of the workbench, so as to provide a limiting effect for the deflection of the protection frame.

[0009] Further, the adjusting mechanism further comprises a strip-shaped opening, and the strip-shaped opening is uniformly arranged on the inner upper end of the protection plate, so as to provide a basis for the connection of the external safety buckle.

[0010] Further, the adjusting mechanism further comprises an inner support, an outer support and a horizontal shaft, the inner support is rotationally connected to the left upper end of the lifting base, the outer support is rotationally connected to the left lower end of the workbench, the right upper end of the lifting base and the right lower end of the workbench are both provided with a guide slot, the front and back sides of the upper end of the inner support are both rotationally connected with a pulley one, the front and back sides of the lower end of the outer support are both rotationally connected with a pulley two, the inner support is slidingly connected with the inner wall of the upper guide slot through the pulley one, the outer support is slidingly connected with the inner wall of the lower guide slot through the pulley two, the middle parts of the inner support and the outer support which are crossed and adjacent to each other are rotationally connected through a rotating shaft, and the horizontal shaft is arranged between the two rotating shafts, so as to provide a basis for the lifting of the workbench.

[0011] Further, still include the crossbar, hydraulic cylinder and hydraulic pump station, the crossbar is arranged in the inside lower end of the outer support, the hydraulic cylinder is all rotatably connected to the upper end right side of the lifting base, the telescopic end left end of the hydraulic cylinder is rotatably connected with the outer surface of the crossbar, the hydraulic pump station is arranged in the upper end left side of the lifting base, the input end of the hydraulic pump station is electrically connected with the output end of the single-chip microcomputer, the hydraulic cylinder is all communicated with the hydraulic pump station, and stable driving effect is provided for the lifting of the workbench.

[0012] Further, still include the single-chip microcomputer, the single-chip microcomputer is arranged in the upper end left side of the workbench, and the input end of the single-chip microcomputer is electrically connected with the external power supply, so that the lifting of the workbench is controlled.

[0013] Compared with the prior art, the safety type building construction lifting platform has the following advantages:

[0014] 1. The limiting block and the limiting groove one are moved by rotating the lead screw, the limiting groove one extrudes the limiting column, the limiting column can enter and exit the inside of the limiting hole, the limiting and height adjustment of the protective plate are realized, the construction personnel are protected, and the construction personnel are facilitated to standardize construction.

[0015] 2. The connecting rod is separated from and enters the inside of the connecting hole by pulling the connecting rod, the limiting and release of the protective frame are realized, the protective frame and the protective plate can be distributed in a horizontal state by the rigid limiting of the limiting groove two, materials are facilitated to be placed, the workbench is left for the construction personnel to operate, the situation that the construction personnel are tripped by materials placed on the workbench is avoided, the construction personnel are further protected, and the safety of the lifting platform is improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structural schematic view of the utility model;

[0017] Figure 2 It is a sectional structure schematic view of the adjusting mechanism of the utility model;

[0018] Figure 3 It is an enlarged structural schematic view of A of the utility model;

[0019] Figure 4 It is an enlarged structural schematic view of B of the utility model.

[0020] In the figure: 1 lifting base, 2 workbench, 3 guard frame, 4 guard plate, 5 adjusting mechanism, 51 screw rod, 52 limit block, 53 limit slot one, 54 limit column, 55 limit hole, 56 knob, 57 connecting assembly, 571 sliding hole, 572 connecting rod, 573 spring, 574 connecting hole, 58 limit slot two, 59 strip-shaped port, 6 sliding groove, 7 inner support, 8 outer support, 9 horizontal shaft, 10 guide slot, 11 horizontal rod, 12 hydraulic cylinder, 13 hydraulic pump station, 14 single-chip microcomputer. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0022] Please refer to Figures 1-4 The embodiment provides a technical scheme: a safe lifting platform for building construction, which comprises a lifting base 1, the upper end of the lifting base 1 is provided with a movable workbench 2, the front and rear sides of the workbench 2 are both rotationally connected with guard frames 3, the interiors of the guard frames 3 are both slidingly connected with guard plates 4, the inner side end of the guard plate 4 can be additionally provided with a wire mesh for facilitating the placement of small materials, the interior of the guard plate 4 is provided with a sliding groove 6 in the middle, the adjusting mechanism 5 is further included, the inner support 7, the outer support 8 and the horizontal shaft 9 are further included, the inner support 7 is rotationally connected to the upper end left side of the lifting base 1, the outer support 8 is rotationally connected to the lower end left side of the workbench 2, the upper end right side of the lifting base 1 and the lower end right side of the workbench 2 are both provided with guide slots 10, the front and rear sides of the upper end of the inner support 7 are both rotationally connected with pulleys one, the front and rear sides of the lower end of the outer support 8 are both rotationally connected with pulleys two, the inner supports 7 are all slidingly connected with the inner walls of the upper guide slots 10 through the pulleys one, the outer supports 8 are all slidingly connected with the inner walls of the lower guide slots 10 through the pulleys two, the middle parts between the intersecting and adjacent inner supports 7 and outer supports 8 are all rotationally connected through rotating shafts, the horizontal shaft 9 is arranged between the two rotating shafts, providing a basis for the lifting of the workbench 2, the horizontal rod 11, the hydraulic cylinder 12 and the hydraulic pump station 13 are further included, the horizontal rod 11 is arranged at the inner lower end of the outer support 8, the hydraulic cylinders 12 are all rotationally connected to the upper end right side of the lifting base 1, the left ends of the telescopic ends of the hydraulic cylinders 12 are all rotationally connected with the outer surface of the horizontal rod 11, the hydraulic pump station 13 is arranged at the upper end left side of the lifting base 1, the input end of the hydraulic pump station 13 is electrically connected with the output end of the single-chip microcomputer 14, the hydraulic cylinders 12 are all in communication with the hydraulic pump station 13, providing a stable driving effect for the lifting of the workbench 2, the single-chip microcomputer 14 is further included, the single-chip microcomputer 14 is arranged at the upper end left side of the workbench 2, the input end of the single-chip microcomputer 14 is electrically connected with an external power supply, providing a control effect for the lifting of the workbench 2.

[0023] Adjustment mechanism 5 includes a lead screw 51, a limiting block 52, a limiting groove 53, a limiting post 54, and a limiting hole 55. The lead screw 51 is rotatably connected to the center of the slide groove 6. The limiting blocks 52 are slidably connected to the center of the slide groove 6, and the center of each limiting block 52 is threadedly connected to the outer surface of the vertically adjacent lead screw 51. The limiting grooves 53 are respectively opened on the left and right sides inside the limiting blocks 52, and each limiting groove 53 is deflected outwards with its upper end as the center. The limiting posts 54 are slidably connected to the left and right sides inside the protective plate 4. The outer surface of the inner end of each limiting post 54 is fitted with the inner wall of the vertically adjacent limiting groove 53. The inner wall of the protective plate 4 is slidably connected to the inner wall of the protective plate 4. Limiting holes 55 are respectively opened in the middle of the left and right inner walls of the protective plate 4. The outer ends of the limiting posts 54 are all installed in conjunction with the vertically adjacent limiting holes 55, providing a limiting effect for the protective plate 4. The adjustment mechanism 5 also includes knobs 56, which are all located on the upper part of the outer surface of the lead screw 51, providing a driving effect for the limiting of the protective plate 4. The adjustment mechanism 5 also includes a connecting assembly 57, which includes sliding holes 571, connecting rods 572, springs 573, and connecting holes 574. The sliding holes 571 are respectively opened at the four inner corners of the workbench 2, and the connecting rods 572 are all located within the sliding holes 571. Inside, a spring 573 is provided between the lower end of the outer surface of the connecting rod 572 and the top wall of the sliding hole 571. The spring 573 is sleeved on the outer surface of the connecting rod 572. The connecting holes 574 are respectively opened on the left and right sides of the upper end of the protective frame 3. The outer ends of the connecting rod 572 are installed in conjunction with the vertically adjacent connecting holes 574. The outer ends of the connecting rod 572 are inserted into the vertically adjacent connecting holes 574, providing a basis for the deflection of the protective frame 3. The adjustment mechanism 5 also includes a second limiting groove 58. The second limiting groove 58 is respectively opened on the lower ends of the left and right sides of the protective frame 3. The top wall of the second limiting groove 58 is installed in conjunction with the adjacent end of the worktable 2. After the front protective frame 3 deflects, the two front limiting grooves The top wall of the second 58 is attached to the lower front end of the workbench 2. After the rear protective frame 3 deflects, the top walls of the two rear limiting grooves of the second 58 are attached to the lower rear end of the workbench 2, forming a rigid limit to prevent the protective frame 3 from deflecting further. This provides a limiting effect for the deflection of the protective frame 3. The adjustment mechanism 5 also includes a strip-shaped opening 59, which is evenly opened on the upper inner part of the protective plate 4, providing a basis for the connection of the external safety buckle. The adjustment mechanism 5 can quickly adjust the height of the protective plate 4 according to the actual situation, which is convenient for construction personnel to carry out standardized construction. It can also make the protective frame 3 and the protective plate 4 rotate 90 degrees, which is convenient for placing materials, freeing up operating space for construction personnel, and improving the safety of the lifting platform.

[0024] The working principle of the safe lifting platform for building construction is as follows: when the lifting platform is used in a construction site, first, the two connecting rods 572 at the rear side are pulled upward, the spring 573 is contracted under stress, until the connecting rod 572 leaves the inside of the connecting hole 574, the rear side protection frame 3 and the protection plate 4 are deflected outward, when the rear side protection frame 3 is deflected by ninety degrees, the rear side limiting groove two 58 is attached to the rear side lower end of the workbench 2, the protection frame 3 cannot continue to be deflected, at this time, the rear side protection frame 3 and the protection plate 4 are distributed in a horizontal state, then the required materials are placed above the protection plate 4, the workbench 2 is left for the construction personnel to operate, the situation that the construction personnel is tripped by the materials placed on the workbench 2 is avoided, then the construction personnel gets on the workbench 2, the safety buckle on the safety belt is connected with the strip-shaped hole 59, at this time, the single-chip microcomputer 14 controls the hydraulic pump station 13 to work, the telescopic end of the hydraulic cylinder 12 is stretched outward, the horizontal rod 11 is pushed to the left, because of the limiting of the guide groove 10, with the movement of the horizontal rod 11, the lower end of the outer support 8 also moves to the left, through the limiting of the horizontal shaft 9, the upper end of the inner support 7 also moves to the left, the distance between the lifting base 1 and the workbench 2 is increased, the lifting of the workbench 2 is realized, in order to standardize the operation and protect the safety of the construction personnel, the height of the protection plate 4 needs to be adjusted according to the actual situation, the construction personnel holds the protection plate 4 with one hand and reversely turns the knob 56 with the other hand, the screw rod 51 is driven to rotate, the limiting block 52 moves downward, with the movement of the limiting block 52, the limiting groove one 53 also moves, the limiting groove one 53 extrudes the inner side end of the limiting column 54, so that the limiting column 54 moves inward, when the outer side end of the limiting column 54 leaves the inside of the limiting hole 55, the protection plate 4 loses the limiting, the protection plate 4 is moved to the appropriate height, which does not affect the construction and can provide a leaning place for the construction personnel, at this time, the knob 56 is turned forward, the limiting block 52 and the limiting groove one 53 move upward, the limiting groove one 53 extrudes the limiting column 54, so that the limiting column 54 is reinserted into the inside of the limiting hole 55, the adjustment of the protection plate 4 is realized.

[0025] It is worth noting that the single-chip microcomputer 14 disclosed in the above embodiment is an HT46R066B single-chip microcomputer, the hydraulic pump station 13 is a YB1.6 hydraulic pump station, and the single-chip microcomputer 14 controls the hydraulic pump station 13 to work by using a method commonly used in the prior art.

[0026] The above is only an embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structure or equivalent process conversion obtained by using the contents of the utility model specification and drawings, or direct or indirect application in other related technical fields, is also included in the patent protection range of the utility model.

Claims

1. A safe construction lifting platform, comprising a lifting base (1), wherein a movable worktable (2) is provided at the upper end of the lifting base (1), and protective frames (3) are rotatably connected to both the front and rear sides of the worktable (2), and protective plates (4) are slidably connected inside the protective frames (3), and a sliding groove (6) is provided in the middle of the interior of the protective plates (4), characterized in that: The adjusting mechanism (5) is further provided with a knob (56), which is arranged on the outer surface of the screw rod (51). The adjusting mechanism (5) further comprises a connecting assembly (57), which comprises a sliding hole (571), a connecting rod (572), a spring (573) and a connecting hole (574). The sliding hole (571) is respectively arranged at the four corners of the workbench (2). The connecting rod (572) is arranged in the middle of the sliding hole (571). The outer surface of the connecting rod (572) is provided with a spring (573) between the lower end and the top wall of the sliding hole (571). The spring (573) is sleeved on the outer surface of the connecting rod (572). The connecting hole (574) is respectively arranged on the left and right sides of the upper end of the protection frame (3). The outer side end of the connecting rod (572) is matched and installed with the vertically adjacent connecting hole (574).

2. The safety construction hoist platform according to claim 1, wherein: The adjusting mechanism (5) further comprises a limiting groove two (58), which is respectively arranged at the lower end of the left and right sides of the protection frame (3). The top wall of the limiting groove two (58) is matched and installed with the adjacent end of the workbench (2).

3. The safety construction hoist platform according to claim 1, wherein: The adjusting mechanism (5) further comprises a strip-shaped opening (59), which is uniformly arranged in the inner upper end of the protection plate (4).

4. The safety building construction hoist platform according to claim 1, wherein: The adjusting mechanism (5) further comprises a limiting groove two (58), which is respectively arranged at the lower end of the left and right sides of the protection frame (3). The top wall of the limiting groove two (58) is matched and installed with the adjacent end of the workbench (2).

5. The safety building construction hoist platform according to claim 1, wherein: The adjusting mechanism (5) further comprises a strip-shaped opening (59), which is uniformly arranged in the inner upper end of the protection plate (4).

6. The safety building construction hoist platform of claim 1 wherein: ​ 7. The safety building construction hoist platform according to claim 2, wherein: It also includes inner support (7), outer support (8) and cross shaft (9), the inner support (7) is rotatably connected to the upper end left side of the lifting base (1), the outer support (8) is rotatably connected to the lower end left side of the workbench (2), the upper end right side of the lifting base (1) and the lower end right side of the workbench (2) are both provided with guide slot (10), the front and back sides of the upper end of the inner support (7) are both rotatably connected with pulley one, the front and back sides of the lower end of the outer support (8) are both rotatably connected with pulley two, the inner support (7) is slidably connected with the inner wall of the upper guide slot (10) through pulley one, the outer support (8) is slidably connected with the inner wall of the lower guide slot (10) through pulley two, the middle part of the cross and adjacent inner support (7) and outer support (8) are rotatably connected through rotating shaft, the cross shaft (9) is arranged between the two rotating shafts.

8. The safety building construction hoist platform according to claim 7, wherein: It also includes cross rod (11), hydraulic cylinder (12) and hydraulic pump station (13), the cross rod (11) is arranged at the inner lower end of the outer support (8), the hydraulic cylinder (12) is rotatably connected to the upper end right side of the lifting base (1), the left end of the telescopic end of the hydraulic cylinder (12) is rotatably connected with the outer surface of the cross rod (11), the hydraulic pump station (13) is arranged at the upper end left side of the lifting base (1), the input end of the hydraulic pump station (13) is electrically connected with the output end of the single-chip microcomputer (14), the hydraulic cylinder (12) is connected with the hydraulic pump station (13).

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