A decorative construction ladder with a protective frame
The decorative construction ladder with a protective frame addresses the lack of lifting and safety features in existing ladders by incorporating a self-locking transmission mechanism and adjustable protection, enhancing operational convenience and safety for construction workers.
Patent Information
- Application Number
- CN202010720564.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2020-07-24
- Publication Date
- 2025-01-03
- Estimated Expiration
- 2040-07-24
AI Technical Summary
Existing construction ladders lack a lifting mechanism and protective function, making them inconvenient to operate and unsafe for construction workers.
A decorative construction ladder with a protective frame featuring a self-locking transmission mechanism and lifting protection frame, allowing height adjustment without manual climbing and providing all-around protection through a bearing mechanism and adjustable protective height.
Enables convenient and safe height adjustment during construction, reducing labor intensity and ensuring worker safety with a lifting and lowering mechanism that adapts to specific needs.
Smart Images

Figure CN111946039B_ABST
Abstract
Description
Technical Field
[0001] The invention relates to a construction ladder, in particular to a decorative construction ladder with a protective frame, and belongs to the technical field of construction ladder application. Background Art
[0002] Decoration project is a general term for the work of decorating and modifying the interior and exterior of a building with building materials and their products or decorative works of art such as sculptures and paintings; decoration project includes three major parts: indoor and outdoor plastering project, finishing installation project and glass, paint, painting and wallpapering project.
[0003] Construction ladders are often used in decoration projects to provide support for construction workers. Existing construction ladders lack a lifting mechanism, which is inconvenient to operate. At the same time, they may lack a protective function and are not convenient for providing protection around construction workers. Therefore, a decoration construction ladder with a protective frame is proposed to address the above problems. Summary of the invention
[0004] The purpose of the present invention is to provide a decorative construction ladder with a protective frame in order to solve the problems that the existing construction ladders in decoration engineering construction lack a lifting mechanism, are inconvenient to operate, and lack a protective function that makes it inconvenient to provide protection for construction workers all around.
[0005] The present invention achieves the above-mentioned purpose through the following technical scheme: a decorative construction ladder with a protective frame, comprising a base plate and a strip shell fixedly installed on the top of the base plate, a vertical first screw is rotatably installed inside the strip shell, a protection box is fixedly installed on the top of the strip shell, a first servo motor is fixedly installed on one side of the protection box, a self-locking transmission mechanism is installed inside the protection box, the input end of the self-locking transmission mechanism is fixedly connected to the output shaft of the first servo motor, the output shaft of the self-locking transmission mechanism is fixedly connected to the top of the first screw, a vertical guide groove is opened on one side of the strip shell, a connecting strip is slidably connected to the guide groove, a first nut is threadedly connected to the surface of the first screw, and the first nut is fixedly connected to the head end of the connecting strip.
[0006] A horizontal flat plate is fixedly mounted at the end of the connecting strip, a horizontal connecting strip plate is arranged below the flat plate, one end of the connecting strip plate is fixedly connected to the middle position of the connecting strip, and a lifting protection frame mechanism is installed on the flat plate.
[0007] The lifting protection frame mechanism includes a second servo motor and a second screw, the second servo motor is fixedly embedded in the middle of the flat plate, the output shaft of the second servo motor is fixedly connected to the top end of the vertical second screw, the bottom end of the second screw is rotatably installed with the connecting strip, the surface of the second screw is threadedly connected with a second nut, a plurality of connecting rods are evenly fixedly installed around the outer circle of the second nut, a stop bar is vertically fixed to the end of the connecting rod, the stop bar passes through a guide hole provided on the flat plate, and the guide hole is connected to the stop bar with a clearance fit; a bearing mechanism is fixedly installed on the top of the flat plate.
[0008] Before construction, the first nut is at a lower position and the connecting strip is located at the bottom of the guide groove. When the worker stands on the bearing mechanism and adjusts the height to the construction position, the first servo motor drives the first screw 3 to rotate through the self-locking transmission mechanism. The first nut is guided by the guide groove and the connecting strip to rise, and at the same time drives the connecting strip and the structure on the connecting strip to rise together to achieve height adjustment. During the construction process, multiple gear bars are used to provide protection for the constructors on all sides. When the height of the gear bar needs to be adjusted, the second servo motor drives the second screw to rotate, and the second nut thereon is guided by the gear bar and the guide hole to achieve vertical movement, thereby achieving height adjustment. The protection height can be adjusted according to the specific needs during construction, which provides convenience for overall use.
[0009] The self-locking transmission mechanism is composed of a worm, a rotating shaft and a worm wheel. The rotating shaft and the worm are both rotatably installed inside the protective box, and the rotating shaft and the worm are vertically arranged. The rotating shaft is fixedly sleeved with the worm wheel, and the worm wheel and the worm are meshingly connected. One end of the worm is fixedly connected to the output shaft of the first servo motor, and the bottom end of the rotating shaft is fixedly connected to the top end of the first screw.
[0010] The connecting strip is bent obliquely upward from the middle position, the front half of the connecting strip is horizontal, and the rear half is inclined obliquely upward, the angle between the front half and the rear half is an obtuse angle, the height of the tail end of the connecting strip is higher than the height of the middle bending position, and after one end of the connecting strip plate is connected to the middle position of the connecting strip, a vertical second screw can be arranged between the flat plate and the connecting strip plate located below the flat plate, and a reinforcing rod is fixedly welded at the bending part of the connecting strip.
[0011] A reinforcing rib plate is fixedly welded at the connection between the connecting strip and the connecting strip plate, and the reinforcing rib plate is a triangular plate structure.
[0012] The bearing mechanism is composed of supporting columns and a bearing plate. A plurality of supporting columns are fixedly installed on the bottom of the bearing plate, and the supporting columns are fixedly connected to the top of the plate.
[0013] The stop bar is a round tube structure, and the outer ring of the stop bar is fixedly sleeved with a rubber sleeve.
[0014] The present invention discloses a decorative construction ladder with a protective frame, including a bottom plate, a strip housing, a first screw, a first nut, a protective box, a first servo motor, a guide groove, a connecting strip, a flat plate, a reinforcing rod, a connecting strip plate, a reinforcing rib plate, a second servo motor, a second screw, a second nut, a connecting rod, a stop bar, a guide hole, a support column, a bearing plate, a worm, a rotating shaft and a worm wheel. The present invention has a reasonable structure and a lifting function. During construction, the height can be adjusted without manual climbing up and down, and the labor intensity is low; it also has a lifting and lowering protective frame mechanism, and construction personnel perform construction operations on the bearing mechanism. The lifting and lowering protective frame mechanism can provide protection for the construction personnel on all sides. At the same time, it has a lifting and lowering function, and the protective height can be adjusted according to specific needs during construction, which provides convenience for overall use. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.
[0016] Figure 1 It is a schematic diagram of the structure of the present invention.
[0017] Figure 2 Schematic diagram of the self-locking transmission mechanism.
[0018] Figure 3 Schematic diagram of the lifting protection frame mechanism.
[0019] In the figure: 1-bottom plate, 2-strip housing, 3-first screw, 4-first nut, 5-protection box, 6-first servo motor, 7-guide groove, 8-connecting strip, 9-flat plate, 10-reinforcement rod, 11-connecting strip plate, 12-reinforcement rib plate, 13-second servo motor, 14-second screw, 15-second nut, 16-connecting rod, 17-speed bar, 18-guide hole, 19-support column, 20-bearing plate, 21-worm, 22-rotating shaft, 23-worm wheel. DETAILED DESCRIPTION
[0020] In order to make the purpose, features and advantages of the present invention more obvious and easy to understand, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the embodiments described below are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.
[0021] The technical solution of the present invention is further described below with reference to the accompanying drawings and through specific implementation methods.
[0022] In the description of the present invention, it is necessary to understand that the orientations or positional relationships indicated by the terms "upper", "lower", "top", "bottom", "inside", "outside", etc. are 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.
[0023] See also Figure 1-3 As shown, a decoration construction ladder with a protective frame comprises a base plate 1 and a strip housing 2 fixedly mounted on the top of the base plate 1, a vertical first screw 3 is rotatably mounted inside the strip housing 2, a protection box 5 is fixedly mounted on the top of the strip housing 2, a first servo motor 6 is fixedly mounted on one side of the protection box 5, a self-locking transmission mechanism is installed inside the protection box 5, the input end of the self-locking transmission mechanism is fixedly connected to the output shaft of the first servo motor 6, the output shaft of the self-locking transmission mechanism is fixedly connected to the top of the first screw 3, a guide groove 7 is opened on one side of the strip housing 2, a connecting strip 8 is slidably connected to the guide groove 7, a first nut 4 is threadedly connected to the surface of the first screw 3, and the first nut 4 is fixedly connected to the head end of the connecting strip 8;
[0024] A flat plate 9 is fixedly mounted at the end of the connecting strip 8, a connecting strip plate 11 is arranged at the bottom of the flat plate 9, one end of the connecting strip plate 11 is fixedly connected to the middle bending position of the connecting strip 8, and a lifting protection frame mechanism is installed on the flat plate 9;
[0025] The lifting protection frame mechanism includes a second servo motor 13 and a second screw 14, the second servo motor 13 is fixedly embedded in the middle of the flat plate 9, the output shaft of the second servo motor 13 is fixedly connected to the top of the vertical second screw 14, the bottom end of the second screw 14 is rotatably installed with the connecting strip 11, the surface of the second screw 14 is threadedly connected with a second nut 15, a plurality of horizontal connecting rods 16 are evenly fixedly installed around the outer circle of the second nut 15, the end of the connecting rod 16 is vertically fixed with a stop bar 17, the stop bar 17 passes through a guide hole 18 provided on the flat plate 9, and the guide hole 18 is connected with the stop bar 17 with a clearance fit; a bearing mechanism is fixedly installed on the top of the flat plate 9.
[0026] The self-locking transmission mechanism is composed of a worm 21, a rotating shaft 22 and a worm wheel 23. The rotating shaft 22 and the worm 21 are both rotatably mounted inside the protective box 5, and the rotating shaft 22 and the worm 21 are vertically arranged. The rotating shaft 22 and the worm wheel 23 are fixedly sleeved, and the worm wheel 23 and the worm 21 are meshedly connected. One end of the worm 21 is fixedly connected to the output shaft of the first servo motor 6, and the bottom end of the rotating shaft 22 is fixedly connected to the top end of the first screw 3. Through the transmission of the worm 21 and the worm wheel 23, they can be self-locked, thereby improving safety; the connecting strip 8 is bent obliquely upward from the middle position, and a reinforcing rod 10 is fixedly welded at the bending part of the connecting strip 8 , providing reinforcement for the bending part of the connecting strip 8; a reinforcing rib plate 12 is fixedly welded at the connection between the connecting strip 8 and the connecting strip plate 11, and the reinforcing rib plate 12 is a triangular plate structure, providing reinforcement for the connection between the connecting strip 8 and the connecting strip plate 11; the bearing mechanism is composed of a support column 19 and a bearing plate 20, and a plurality of support columns 19 are fixedly installed at the bottom of the bearing plate 20, and the support column 19 is fixedly connected to the top of the flat plate 9 to provide support and load bearing, providing a standing surface for the construction workers; the stop bar 17 is a circular tube structure, and the outer ring of the stop bar 17 is fixedly sleeved with a rubber sleeve, and the stop bar 17 is protected on all sides to prevent the construction workers from falling.
[0027] When the present invention is in use, the electrical components in the present application are all connected to an external power supply and a control switch. First, the entire device is moved to the construction site. Before the construction, the first nut 4 is at a lower position, and the connecting bar 8 is located at the bottom end of the guide groove 7. The worker stands on the bearing plate 20. When adjusting the height, it is adjusted to the construction site. The first servo motor 6 drives the worm 21 to rotate. Through the transmission between the worm 21 and the worm wheel 23, the rotating shaft 22 and the first screw 3 rotate together. The first nut 4 is guided by the guide groove 7 and the connecting bar 8 to rise, and at the same time drives the connecting bar 8 and the structure on the connecting bar 8 to rise together, so as to achieve height adjustment;
[0028] During the construction process, multiple bars 17 are used to provide protection for the construction workers. When the height of the bars 17 needs to be adjusted, the second servo motor 13 drives the second screw 14 to rotate, and the second nut 15 thereon is guided by the bars 17 and the guide holes 18 to achieve vertical movement, thereby achieving height adjustment. The protection height can be adjusted according to specific needs during construction, which provides convenience for overall use.
[0029] The circuits, electronic components and modules involved are all prior art and can be fully implemented by those skilled in the art. Needless to say, the content protected by the present invention does not involve improvements to software and methods.
[0030] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.
[0031] As described above, the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the same. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features thereof may be replaced by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.
[0032] value
[0033] 1. Economic Value
[0034] The decoration project of the monitoring center of the Nanjing utility tunnel project includes 1411 square meters of aluminum ceiling, 1098 square meters of curtain wall keel installation, 454 square meters of glass curtain wall, 1693 square meters of U-shaped glass, 714 square meters of paint, 714 square meters of putty, etc. It takes a team of 20 people to complete the project and 40 working days to install. If the present invention is used for construction, it takes a team of 8 people and 20 working days to install. A total of 20*40-8*20=640 people are saved, and each person is calculated at 150 yuan / day, so a total of 640*150=96,000 yuan in labor costs are saved.
[0035] 2. Social Value
[0036] The use of this technology to improve the traditional construction plan has been optimized. Under the conditions of tight schedule, heavy tasks and tight funds, it not only ensures the safety of the monitoring center construction, but also reduces cost investment and increases profits. While creating good economic benefits for the project, the construction quality has been recognized by the owner and improved the reputation of the project.
[0037] 3. Other Values
[0038] ① This type of construction ladder has the function of lifting and lowering. During construction, the height can be adjusted without manual climbing up and down, and the labor intensity is low. At the same time, the driving part of the lifting structure adopts a self-locking transmission mechanism for transmission, which has self-locking properties. After lifting, it can be locked to avoid accidents;
[0039] ②This type of construction ladder also has a lifting protection frame mechanism. Construction workers perform construction operations on the load-bearing mechanism. The lifting protection frame mechanism can provide protection for the construction workers on all sides. At the same time, it has the function of lifting and lowering. The protection height can be adjusted according to the specific needs during construction, which provides convenience for overall use.
Claims
1. A decoration construction ladder with a protective frame, characterized in that: The invention comprises a bottom plate (1) and a strip-shaped shell (2) fixedly mounted on the top of the bottom plate (1), a vertical first screw (3) being rotatably mounted inside the strip-shaped shell (2), a protection box (5) being fixedly mounted on the top of the strip-shaped shell (2), a first servo motor (6) being fixedly mounted on one side of the protection box (5), a self-locking transmission mechanism being mounted inside the protection box (5), an input end of the self-locking transmission mechanism being fixedly connected to an output shaft of the first servo motor (6), an output shaft of the self-locking transmission mechanism being fixedly connected to a top end of the first screw (3), a guide groove (7) being formed on one side of the strip-shaped shell (2), a connecting strip (8) being slidably connected to the guide groove (7), a first nut (4) being threadedly connected to a surface of the first screw (3), and the first nut (4) being fixedly connected to a head end of the connecting strip (8); A horizontal flat plate (9) is fixedly mounted at the end of the connecting bar (8), a horizontal connecting strip plate (11) is arranged below the flat plate (9), one end of the connecting strip plate (11) is fixedly connected to the middle position of the connecting bar (8), and a lifting protection frame mechanism is installed on the flat plate (9); the lifting protection frame mechanism comprises a second servo motor (13) and a second screw rod (14), the second servo motor (13) is fixedly mounted in the middle of the flat plate (9), the output shaft of the second servo motor (13) is connected to the top of the vertical second screw rod (14), and the lifting protection frame mechanism comprises a second servo motor (13) and a second screw rod (14). The second end of the second screw rod (14) is fixedly connected, the bottom end of the second screw rod (14) is rotatably mounted on the connecting strip plate (11), the surface of the second screw rod (14) is threadedly connected with a second nut (15), a plurality of horizontal connecting rods (16) are evenly and fixedly mounted around the outer ring of the second nut (15), the ends of the connecting rods (16) are vertically fixedly connected with a stop bar (17), the stop bar (17) passes through a guide hole (18) provided on the flat plate (9), and the guide hole (18) and the stop bar (17) are connected with a clearance fit; a bearing mechanism is fixedly mounted on the top of the flat plate (9).
2. A decoration construction ladder with a protective frame according to claim 1, characterized in that: The self-locking transmission mechanism is composed of a worm (21), a rotating shaft (22) and a worm wheel (23); the rotating shaft (22) and the worm (21) are both rotatably mounted inside the protection box (5), and the rotating shaft (22) and the worm (21) are vertically arranged; the rotating shaft (22) and the worm wheel (23) are fixedly sleeved; the worm wheel (23) and the worm (21) are meshingly connected; one end of the worm (21) is fixedly connected to the output shaft of the first servo motor (6); and the bottom end of the rotating shaft (22) is fixedly connected to the top end of the first screw (3).
3. A decoration construction ladder with a protective frame according to claim 2, characterized in that: The connecting strip (8) is bent obliquely upward from a middle position, and a reinforcing rod (10) is fixedly welded to the bent portion of the connecting strip (8).
4. A decoration construction ladder with a protective frame according to claim 1, 2 or 3, characterized in that: A reinforcing rib plate (12) is fixedly welded at the connection point between the connecting strip (8) and the connecting strip plate (11), and the reinforcing rib plate (12) is a triangular plate structure.
5. A decoration construction ladder with a protective frame according to claim 1, 2 or 3, characterized in that: The bearing mechanism is composed of a supporting column (19) and a bearing plate (20); a plurality of supporting columns (19) are fixedly mounted on the bottom of the bearing plate (20), and the supporting columns (19) are fixedly connected to the top of the flat plate (9).
6. A decoration construction ladder with a protective frame according to claim 1, 2 or 3, characterized in that: The stop bar (17) is a circular tube structure, and the outer ring of the stop bar (17) is fixedly sleeved with a rubber sleeve.
Citation Information
Patent Citations
Decorative construction ladder with protective frame
CN212671111U
