Anti-falling structure of building construction hoist

Abstract

The utility model relates to the technical field of building construction equipment, in particular to an anti-falling structure of a building construction hoist, which comprises a mounting frame, a clamping mechanism is arranged between two vertical plates of the mounting frame and comprises a bidirectional motor, and the bidirectional motor is fixedly connected with the bottom of a moving frame through bolts. Two output shafts of the bidirectional motor are coaxially connected with threaded rods respectively, a moving plate is arranged below the threaded rods, driving plates are symmetrically and fixedly connected to the positions, close to the left side and the right side, of the top of the moving plate through bolts, the driving plates are in threaded connection with the threaded rods corresponding to the driving plates in position, and a clamping plate is fixedly welded to the end, away from the bidirectional motor, of the moving plate. According to the anti-falling structure of the building construction elevator, the effect of limiting the position of the compartment body is achieved by arranging the clamping and stopping mechanism, the effect of limiting the winding and unwinding of the traction rope of the winding roller is achieved by arranging the hydraulic cylinder, the mounting plate and the clamping plate, and the purpose of limiting the position of the compartment body is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to building construction equipment technical field, concretely is building construction hoist anti -fall structure. BACKGROUND

[0002] The construction hoist is also called construction elevator, is the construction machinery of carrying people and goods in the building, because its unique compartment structure makes it comfortable and safe to ride, the construction elevator is usually used with the tower crane on the construction site, generally the load is 0.3-3.6 tons, and the running speed is 1-96M / min.

[0003] The construction hoist with the publication number CN107021402B includes a compartment, the left side of the inner cavity of the compartment is fixedly connected with a containing block and a fixed block, the fixed block is located at the bottom of the containing block, the front end and the rear end of the right side of the fixed block are fixedly connected with support sleeves, the inside of the support sleeve is movably connected with a support rod, the top of the support rod is fixedly connected with a connecting block located between the two support sleeves, the top of the connecting block is fixedly connected with a placing plate, and the top of the left side of the placing plate is fixedly connected with a snap ring. The device sets the fixed block, the support sleeve, the support rod and the connecting block, achieves the effect that the placing plate can rotate, so that the placing plate can cooperate with the receiving block and the anti-collision pad to support the articles, the articles in the hands of the employees can be placed on the placing plate, the single-time carrying capacity can be improved, the workers can be quickly positioned for construction, and the construction period is indirectly shortened.

[0004] Although the device improves the single-time carrying capacity, but in the process of actual use, unexpected situations may occur, when unexpected situations occur and the power equipment cannot work, the compartment of the elevator will continue to fall uncontrollably, which will cause accidental injury to the people riding the elevator, in view of this, we propose the building construction hoist anti-falling structure. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing building construction hoist anti-falling structure to solve the problems in the above background technology.

[0006] In order to achieve the above object, the utility model provides the following technical scheme:

[0007] The building construction hoist anti-falling structure includes a mounting frame, a clamping mechanism is arranged between the two vertical plates of the mounting frame, the clamping mechanism includes a bidirectional motor, the bidirectional motor is fixedly connected with the bottom of the moving frame through bolts, the two output shafts of the bidirectional motor are coaxially connected with threaded rods respectively, a moving plate is arranged below the threaded rods, drive plates are symmetrically fixedly connected with the moving plate through bolts at the positions close to the left and right sides on the top of the moving plate, the drive plates are threadedly connected with the threaded rods corresponding to the positions thereof, and a clamping plate is welded and fixed to one end of the moving plate away from the bidirectional motor.

[0008] Preferably, the mounting frame top is provided with a mounting port, the inner side surfaces of the two vertical plates of the mounting frame are respectively fixedly connected with a plurality of clamping plates through bolts, and the clamping plates are arranged in uniform and equidistant intervals.

[0009] Preferably, the front side surface of the inner wall of the mounting port is fixedly connected with a winding motor through a bolt, and the output shaft of the winding motor is coaxially connected with a winding roller.

[0010] Preferably, the winding port of the winding roller is wound with a traction rope, and one end of the traction rope is connected with a compartment.

[0011] Preferably, the bottom of the compartment is fixedly connected with a moving frame through bolts, the left and right ends of the moving frame are respectively attached to the inner side surfaces of the two vertical plates of the mounting frame, and the left and right ends of the moving frame are symmetrically provided with openings.

[0012] Preferably, the mounting frame top is fixedly connected with a hydraulic cylinder through bolts near the left and right sides, and the end of the piston rod of the hydraulic cylinder is fixedly connected with a mounting plate through a bolt.

[0013] Preferably, the mounting plate is located in the mounting port, the inner side surface of the mounting plate is fixedly connected with a clamping plate through glue, and the clamping plate is made of rubber.

[0014] Compared with the prior art, the building construction elevator anti-falling structure has the advantages that:

[0015] 1. The building construction elevator anti-falling structure plays a role in limiting the position of the compartment through the setting of the clamping mechanism.

[0016] 2. The building construction elevator anti-falling structure plays a role in limiting the winding and unwinding of the traction rope of the winding roller through the setting of the hydraulic cylinder, the mounting plate and the clamping plate, and achieves the purpose of limiting the position of the compartment. BRIEF DESCRIPTION OF DRAWINGS

[0017] Fig. 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Fig. 2 It is a schematic diagram of the sectional structure of the utility model;

[0019] Fig. 3 It is a schematic diagram of the structure of the clamping mechanism in the utility model;

[0020] The meanings of the various designations in the drawings are as follows:

[0021] 1, mounting frame; 11, mounting port; 12, clamping plate; 13, winding motor; 14, winding roller; 15, traction rope; 16, compartment; 17, moving frame; 18, opening; 19, hydraulic cylinder; 191, mounting plate; 192, clamping plate;

[0022] 2, locking mechanism; 21, bidirectional motor; 22, threaded rod; 23, moving plate; 24, driving plate; 25, locking plate. DETAILED DESCRIPTION

[0023] 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.

[0024] Please refer to Figs. 1-3 The utility model provides a technical scheme:

[0025] The anti-falling structure of the construction hoist comprises a mounting frame 1, a mounting opening 11 is formed in the top of the mounting frame 1, a plurality of clamping plates 12 are fixedly connected to the inner side surfaces of the two vertical plates of the mounting frame 1 through bolts respectively, the clamping plates 12 are arranged at uniform intervals, and the clamping plates 12 are used for cooperating with the locking plate 25 to limit the position of the compartment 16.

[0026] Further, a winding motor 13 is fixedly connected to the front side surface of the inner wall of the mounting opening 11 through a bolt, the winding motor 13 is used for driving the winding roller 14 to rotate, and the output shaft of the winding motor 13 is coaxially connected with the winding roller 14, and the winding roller 14 is used for winding the traction rope 15.

[0027] Specifically, the traction rope 15 is wound on the winding opening of the winding roller 14, the traction rope 15 is used for driving the compartment 16 to move, one end of the traction rope 15 is connected with the compartment 16, the compartment 16 is provided with a speed detection device and a controller connected therewith, and the controller is used for controlling the connection between the bidirectional motor 21 and the two hydraulic cylinders 19.

[0028] It should be noted that the bottom of the compartment 16 is fixedly connected with a moving frame 17 through bolts, the moving frame 17 is used for limiting the moving direction of the compartment 16 and mounting the bidirectional motor 21, the left and right ends of the moving frame 17 are respectively attached to the inner side surfaces of the two vertical plates of the mounting frame 1, the left and right ends of the moving frame 17 are symmetrically provided with openings 18, and the front and rear side surfaces of the inner walls of the openings 18 are not attached to the front and rear side surfaces of the clamping plates 12 corresponding in position.

[0029] Further, the mounting frame 1 is symmetrically fixedly connected with the hydraulic cylinders 19 through bolts at positions close to the left and right sides of the top of the mounting frame 1, the hydraulic cylinders 19 are used for driving the mounting plates 191 to move, the piston rod ends of the hydraulic cylinders 19 are fixedly connected with the mounting plates 191 through bolts, and the mounting plates 191 are located in the mounting opening 11.

[0030] Specifically, the inner side surface of the mounting plate 191 is fixedly connected with a clamping plate 192 through glue, the clamping plate 192 is made of rubber, and the clamping plate 192 is used for limiting the rotation of the winding roller 14.

[0031] As the preferred of the embodiment, the two vertical plates of the mounting frame 1 are provided with a locking mechanism 2, which comprises a bidirectional motor 21 fixedly connected with the bottom of the moving frame 17 by bolts, used to drive the two threaded rods 22 to rotate.

[0032] Specifically, the two output shafts of the bidirectional motor 21 are coaxially connected with the threaded rods 22 respectively, used to drive the moving plates 23 to move, and the moving plates 23 are arranged below the threaded rods 22, used to drive the driving plates 24 to move.

[0033] Specifically, the moving plates 23 are symmetrically fixedly connected with the driving plates 24 near the left and right sides of the top of the moving plates 23 by bolts, and the driving plates 24 are threadedly connected with the threaded rods 22 corresponding to the positions of the driving plates 24, used to drive the locking plates 25 to move.

[0034] Specifically, the locking plates 25 are welded and fixed to the ends of the moving plates 23 away from the bidirectional motor 21, used to cooperate with the clamping plates 12 corresponding to the positions of the locking plates 25 to limit the position of the moving frame 17.

[0035] Specifically, in the actual use process, when the speed detection device detects that the falling speed of the compartment 16 exceeds the predetermined speed, the speed detection device transmits a signal to the controller, and the controller controls the bidirectional motor 21 to start and controls the piston rods of the two hydraulic cylinders 19 to elongate;

[0036] The piston rods of the two hydraulic cylinders 19 drive the two mounting plates 191 to move towards the direction close to the winding roller 14 respectively, so as to drive the two clamping plates 192 to move towards the direction close to the winding roller 14 respectively, until the piston rods of the two hydraulic cylinders 19 are elongated to the longest, the winding roller 14 cannot rotate and release the traction rope any more;

[0037] In this process, the bidirectional motor 21 drives the two threaded rods 22 to rotate at the same speed, so as to drive the two moving plates 23 to move away from the bidirectional motor 21 respectively, so as to drive the four driving plates 24 to move away from the bidirectional motor 21 respectively, so as to drive the two locking plates 25 to move away from the bidirectional motor 21 respectively, until the bottoms of the two locking plates 25 are tightly fitted with the tops of the clamping plates 12 corresponding to the positions of the locking plates 25 respectively, the lowest height of the compartment 16 is fixed.

[0038] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only preferred examples of the present application and are not intended to limit the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A fall protection structure for a construction hoist, including a mounting frame (1), characterized in that: A locking mechanism (2) is provided between the two vertical plates of the mounting frame (1). The locking mechanism (2) includes a bidirectional motor (21). The bidirectional motor (21) is fixedly connected to the bottom of the movable frame (17) by bolts. The two output shafts of the bidirectional motor (21) are respectively coaxially connected to threaded rods (22). A movable plate (23) is provided below the threaded rods (22). A drive plate (24) is symmetrically fixedly connected to the top of the movable plate (23) near the left and right sides by bolts. The drive plate (24) and the threaded rod (22) corresponding to its position are threadedly connected. A locking plate (25) is welded and fixed to the end of the movable plate (23) away from the bidirectional motor (21).

2. The anti-fall structure for construction hoists according to claim 1, characterized in that: The mounting frame (1) has an installation opening (11) at the top. The inner surfaces of the two vertical plates of the mounting frame (1) are respectively fixedly connected with several clamping plates (12) by bolts. The clamping plates (12) are arranged in a uniform and equidistant manner.

3. The anti-fall structure for construction hoists according to claim 2, characterized in that: The front surface of the inner wall of the mounting port (11) is fixedly connected to a winding motor (13) by bolts, and the output shaft of the winding motor (13) is coaxially connected to a winding roller (14).

4. The anti-fall structure for construction hoists according to claim 3, characterized in that: The winding end of the winding roller (14) is wound with a traction rope (15), and one end of the traction rope (15) is connected to the housing (16).

5. The anti-fall structure for construction hoists according to claim 4, characterized in that: The bottom of the compartment (16) is fixedly connected to a movable frame (17) by bolts. The left and right ends of the movable frame (17) are respectively attached to the inner surfaces of the two vertical plates of the mounting frame (1). The left and right ends of the movable frame (17) are symmetrically provided with openings (18).

6. The anti-fall structure for construction hoists according to claim 5, characterized in that: The mounting bracket (1) has hydraulic cylinders (19) symmetrically fixed to the top of the bracket near the left and right sides by bolts, and the piston rod end of the hydraulic cylinder (19) is fixed to the mounting plate (191) by bolts.

7. The anti-fall structure for construction hoists according to claim 6, characterized in that: The mounting plate (191) is located inside the mounting opening (11). A clamp (192) is glued to the inner surface of the mounting plate (191) and the clamp (192) is made of rubber.

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