Automatic adjusting device for attachment width of construction hoist

Abstract

The utility model discloses an automatic attachment width adjusting device for a construction hoist, which belongs to the technical field of hoists and comprises a fixing frame, expansion frames are inserted into two ends of the fixing frame, a wall corner attaching plate frame is mounted at one end of each expansion frame, and an adjusting mechanism matched with the expansion frames for use is arranged at the center of the fixing frame. A stepping motor in the adjusting mechanism is arranged to provide driving force, a two-way lead screw and a movable base are arranged to be matched, so that a telescopic frame is driven to conduct telescopic adjustment, then an expansion frame is driven to move outwards on a fixed frame, and therefore the width of the elevator platform is adjusted; selective adjustment can be conveniently carried out according to the condition of a construction site, a movable installation position can be provided for an inclined supporting adjusting rod by arranging a first movable part and a second movable part in the inclined supporting assembly, so that the inclined supporting adjusting rod can be conveniently adjusted along with the position of the extension frame, and a triangular stable structure is formed between the fixed frame and the extension frame.

Description

Technical Field

[0001] The utility model relates to the technical field of elevators, in particular to an automatic adjustment device for the attachment width of a construction elevator. Background Art

[0002] Construction hoists are also called construction elevators for buildings. They are used in various types of high-rise and super-high-rise buildings in cities. At present, most construction sites use rack and pinion construction hoists, especially those with double-box structures that have large transportation capacity. Generally, guide rail rack and pinion construction hoists are mainly divided into low-speed, medium-speed and high-speed construction hoists, which need to be selected according to the conditions of the construction site. Most of the construction hoists on the market are low-speed. The attachments of construction hoists are divided into long and short, and different types of attachments need to be selected according to different conditions.

[0003] According to the above introduction, construction elevators often encounter problems of long and short attachment distances due to special positioning or diversified main structures during construction. The attachment of the construction elevator needs to be customized according to the distance of the structure, and is divided into long attachment and short attachment. Due to the different lengths of the construction elevator, the width of the attached wall position will be inconsistent, and the width of the attachment frame cannot be adjusted. Only one wall attachment frame can be selected for one width, which cannot fully meet the attachment requirements of different projects and greatly increases the production cost. In order to solve the above problems, an automatic adjustment device for the attachment width of a construction elevator is proposed. Utility Model Content

[0004] The purpose of the utility model is to provide an automatic adjustment device for the attachment width of a construction elevator, which drives the expansion frame to adjust the width on the fixed frame through the telescopic frame in the adjustment mechanism, so as to meet the different requirements of different projects on the attachment distance, improve the utilization rate of the elevator attachment, and solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an automatic adjustment device for the attachment width of a construction elevator, comprising a fixed frame, expansion frames are inserted at both ends of the fixed frame, a wall corner plate frame is installed at one end of the expansion frame, an adjustment mechanism for use with the expansion frame is arranged at the center of the fixed frame, the outer side of the adjustment mechanism is fixedly connected to the expansion frame, and a diagonal brace assembly is arranged on one side of the fixed frame and one end of one of the expansion frames to strengthen the fixed frame and the expansion frame.

[0006] Preferably, the adjustment mechanism includes a stepper motor, which is installed at the center of a fixed frame, the output shaft of the stepper motor is fixedly connected to a gear set, the inner cavity of the gear set is fixedly connected to a bidirectional screw rod, both ends of the bidirectional screw rod are rotatably connected to the fixed frame, both ends of the surface of the bidirectional screw rod are threadedly connected to a threaded sleeve, the outer wall of the threaded sleeve is fixedly connected to a movable seat, the movable seat is movably connected to a telescopic frame, and the telescopic frame is fixedly connected to the extension frame at one end away from the bidirectional screw rod.

[0007] Preferably, the gear set includes a driving gear and a driven gear, the driving gear is mounted on the output shaft of the stepping motor, the driven gear is mounted at the center of the surface of the bidirectional lead screw, and the driving gear and the driven gear are meshed with each other.

[0008] Preferably, the diagonal support assembly includes a first movable member and a second movable member, the first movable member is installed on a fixed frame, the second movable member is installed on an extension frame and close to the wall corner panel frame, and the first movable member and the second movable member are movably connected with a diagonal support adjustment rod.

[0009] Preferably, two ends of the inner side of the fixing frame are fixedly connected with reinforcing rods, and the reinforcing rods are arranged in an inclined shape to form a triangle shape with the fixing frame.

[0010] Compared with the prior art, the beneficial effects of the utility model are:

[0011] 1. The utility model provides an automatic adjustment device for the attachment width of a construction elevator. The driving force is provided by a stepper motor in the adjustment mechanism. The cooperation of the bidirectional screw rod and the movable seat drives the telescopic frame to be telescopically adjusted, and then drives the position of the expansion frame to move outward on the fixed frame, thereby adjusting the width of the elevator platform, which is convenient for selection and adjustment according to the conditions of the construction site.

[0012] 2. The utility model provides an automatic adjustment device for the attachment width of a construction elevator. By arranging the first movable part and the second movable part in the diagonal support assembly, a movable installation position can be provided for the diagonal support adjustment rod, so that the diagonal support adjustment rod can be adjusted to follow the position of the extension frame. After the width of the fixed frame is changed through the extension frame, a triangular stable structure is formed between the fixed frame and the extension frame. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 It is a schematic diagram of the overall structure of the utility model in the extended state;

[0015] Figure 3It is a top view schematic diagram of the adjustment mechanism and expansion frame structure of the utility model;

[0016] Figure 4 It is a schematic diagram of the structure of the adjustment mechanism and the expansion frame of the utility model.

[0017] Numbers in the figure: 1. Fixed bracket; 2. Extension bracket; 3. Corner plate bracket; 4. Adjustment mechanism; 41. Stepper motor; 42. Gear set; 421. Driving gear; 422. Driven gear; 43. Bidirectional screw; 44. Threaded sleeve; 45. Movable seat; 46. Telescopic bracket; 5. Diagonal support assembly; 51. First movable part; 52. Second movable part; 53. Diagonal support adjustment rod; 6. Reinforcement rod. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] The utility model provides Figures 1 to 4 The shown device is an automatic adjustment device for the attachment width of a construction elevator, comprising a fixed frame 1, with extension frames 2 inserted at both ends of the fixed frame 1, and a wall corner plate frame 3 is installed at one end of the extension frame 2. An adjustment mechanism 4 used in conjunction with the extension frame 2 is arranged at the center of the fixed frame 1, and the outer side of the adjustment mechanism 4 is fixedly connected to the extension frame 2. A diagonal brace assembly 5 is arranged on one side of the fixed frame 1 and one end of one of the extension frames 2 to strengthen the fixed frame 1 and the extension frame 2. The extension frame 2 is driven to adjust its width on the fixed frame 1 through the arranged adjustment mechanism 4, so as to meet the different requirements of different projects for the attachment distance and improve the utilization rate of the elevator attachment.

[0020] The adjusting mechanism 4 comprises a stepping motor 41, which is mounted at the center of the fixing frame 1. The output shaft of the stepping motor 41 is fixedly connected with a gear set 42, and the inner cavity of the gear set 42 is fixedly connected with a bidirectional screw rod 43. Both ends of the bidirectional screw rod 43 are rotatably connected with the fixing frame 1. Both ends of the surface of the bidirectional screw rod 43 are threadedly connected with threaded sleeves 44, and the outer wall of the threaded sleeve 44 is fixedly connected with a movable seat 45. A telescopic frame 46 is movably connected to the movable seat 45, and one end of the telescopic frame 46 away from the bidirectional screw rod 43 is fixedly connected with the extension frame 2. The driving force is provided by the stepping motor 41 in the adjusting mechanism 4, and the cooperation of the bidirectional screw rod 43 and the movable seat 45 drives the telescopic frame 46 to be telescopically adjusted, and then drives the position of the extension frame 2 to move outward on the fixing frame 1, so as to adjust the width of the lifting platform, which is convenient for selection and adjustment according to the conditions of the construction site.

[0021] The gear set 42 includes a driving gear 421 and a driven gear 422. The driving gear 421 is installed on the output shaft of the stepper motor 41, and the driven gear 422 is installed at the center of the surface of the bidirectional screw rod 43. The driving gear 421 and the driven gear 422 are meshed with each other. Through the cooperation of the set driving gear 421 and the driven gear 422, a transmission force can be provided between the stepper motor 41 and the bidirectional screw rod 43, thereby driving the bidirectional screw rod 43 to rotate.

[0022] The diagonal brace assembly 5 includes a first movable part 51 and a second movable part 52, the first movable part 51 is installed on the fixed frame 1, and the second movable part 52 is installed on the extension frame 2 and close to the wall corner board frame 3, and the first movable part 51 and the second movable part 52 are movably connected with a diagonal support adjustment rod 53. By setting the first movable part 51 and the second movable part 52 in the diagonal brace assembly 5, a movable installation position can be provided for the diagonal support adjustment rod 53, so that the diagonal support adjustment rod 53 can be conveniently adjusted to follow the position of the extension frame 2, and after the width of the fixed frame 1 is changed through the extension frame 2, a triangular stable structure can be formed between the fixed frame 1 and the extension frame 2.

[0023] The two ends of the inner side of the fixing frame 1 are fixedly connected with reinforcing rods 6, which are arranged in an inclined shape and form a triangle shape with the fixing frame 1. The arranged reinforcing rods 6 can strengthen the structural connection of the fixing frame 1, making the fixing frame 1 more stable.

[0024] During specific use, first, the two expansion frames 2 are plugged into the two ends of the fixed frame 1, and then the opposite side of the expansion frame 2 is fixedly connected to the adjusting mechanism 4 installed on the fixed frame 1, and then the driving force is provided by the stepping motor 41 in the adjusting mechanism 4, and then the cooperation of the set active gear 421 and the driven gear 422 can provide transmission force between the stepping motor 41 and the bidirectional screw rod 43, thereby driving the bidirectional screw rod 43 to rotate, and then the rotation of the bidirectional screw rod 43 drives the movable seat 45 on the threaded sleeve 44 to rotate, and the movable seat 45 is movably connected to the telescopic frame 46, so that the position of the telescopic frame 46 can be telescopically adjusted, and then the telescopic frame 46 drives the position of the expansion frame 2 on the fixed frame 1 to be selected and adjusted according to the conditions of the construction site, thereby improving the flexibility of adjusting the attachment width of the construction elevator.

[0025] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An automatic adjustment device for the attachment width of a construction hoist, comprising a fixing frame (1), characterized in that: The two ends of the fixed frame (1) are plugged with expansion frames (2), one end of the expansion frame (2) is installed with a wall corner plate frame (3), the center of the fixed frame (1) is provided with an adjustment mechanism (4) for use with the expansion frame (2), the outer side of the adjustment mechanism (4) is fixedly connected to the expansion frame (2), and one side of the fixed frame (1) and one end of one of the expansion frames (2) are provided with a diagonal brace assembly (5) for strengthening the fixed frame (1) and the expansion frame (2).

2. The automatic adjustment device for the attachment width of a construction hoist according to claim 1, characterized in that: The adjustment mechanism (4) comprises a stepper motor (41), the stepper motor (41) being mounted at the center of the fixed frame (1), the output shaft of the stepper motor (41) being fixedly connected to a gear set (42), the inner cavity of the gear set (42) being fixedly connected to a bidirectional screw rod (43), both ends of the bidirectional screw rod (43) being rotatably connected to the fixed frame (1), both ends of the surface of the bidirectional screw rod (43) being threadedly connected to threaded sleeves (44), the outer wall of the threaded sleeve (44) being fixedly connected to a movable seat (45), the movable seat (45) being movably connected to a telescopic frame (46), and one end of the telescopic frame (46) away from the bidirectional screw rod (43) being fixedly connected to the expansion frame (2).

3. The automatic adjustment device for the attachment width of a construction hoist according to claim 2, characterized in that: The gear set (42) comprises a driving gear (421) and a driven gear (422); the driving gear (421) is mounted on the output shaft of the stepping motor (41); the driven gear (422) is mounted at the center of the surface of the bidirectional screw rod (43); the driving gear (421) and the driven gear (422) are meshed with each other.

4. The automatic adjustment device for the attachment width of a construction hoist according to claim 3 is characterized in that: The diagonal support assembly (5) comprises a first movable member (51) and a second movable member (52), wherein the first movable member (51) is mounted on the fixed frame (1), and the second movable member (52) is mounted on the extension frame (2) and is close to the wall corner plate frame (3), and the first movable member (51) and the second movable member (52) are movably connected to the diagonal support adjustment rod (53).

5. The automatic adjustment device for the attachment width of a construction hoist according to claim 1, characterized in that: Reinforcement rods (6) are fixedly connected to both ends of the inner side of the fixing frame (1); the reinforcement rods (6) are arranged in an inclined shape and form a triangle shape with the fixing frame (1).

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