Hoisting machine with protective device

Abstract

The utility model discloses a hoist with a protective device, which belongs to the technical field of hoist protection and comprises a hoist body, two upright posts and a top plate are arranged on the rear side of the hoist body, mounting grooves are arranged on the inner sides of the upright posts, a rear plate is arranged between the two mounting grooves, and a lifting protective box is arranged on the front side of the rear plate. A lifting driving mechanism is arranged on the outer side of the lifting protection box; the lifting protection box comprises a supporting frame, side protection plates are arranged on the left side and the right side of the supporting frame, an upper protection plate is arranged on the top face of the supporting frame, a mounting frame is arranged in front of the supporting frame, a fixed door and a movable door are arranged in the mounting frame, and a driving assembly is arranged on the top face of the mounting frame. The hoist body is protected by the lifting protection box, the movable door can be opened, the hoist body can be conveniently and conventionally maintained and overhauled, when the hoist body cannot be overhauled and maintained through the movable door, the lifting driving mechanism can drive the lifting protection box to ascend, the hoist body is displayed, and operation is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of gate hoist protection, in particular to a gate hoist with a protective device. Background Art

[0002] Gate hoists are used in various large-scale water supply and drainage, water conservancy, and hydropower projects. They control the lifting and lowering of various large and medium-sized cast iron and steel gates for opening and closing. Gate hoists are installed outdoors, exposed to constant sunlight and rain, and are prone to rust and damage, resulting in a short service life. Existing technologies typically install a protective casing around the gate hoist. This makes disassembly of the entire gate hoist necessary for maintenance or repair, which is cumbersome and impractical. Utility Model Content

[0003] The purpose of the utility model is to provide a gate hoist with a protective device, which solves the problem that a protective shell is installed on the outside of the gate hoist, and when the gate hoist needs to be maintained or repaired, it needs to be disassembled as a whole, which is troublesome and impractical.

[0004] In order to solve the above technical problems, the present invention adopts the following technical solutions:

[0005] The utility model provides a gate hoist with a protective device, comprising a gate hoist body, two columns are provided on the rear side of the gate hoist body, a top plate is provided on the top of the two columns, mounting grooves are provided on the inner sides of the columns, a rear plate is provided between the two mounting grooves, a lifting protection box is provided on the front side of the rear plate, the lifting protection box is located on the outside of the gate hoist body, and a lifting drive mechanism for driving the lifting protection box to rise and fall is provided on the outside of the lifting protection box;

[0006] The lifting protection box includes a support frame, side guard plates are provided on the left and right sides of the support frame, the rear ends of the side guard plates are provided in the mounting grooves, an upper guard plate is provided on the top surface of the support frame, an installation frame is provided in front of the support frame, a fixed door and a movable door are provided in the installation frame, and a driving component for driving the movable door to move is provided on the top surface of the installation frame.

[0007] Furthermore, the driving assembly includes a first motor, which is arranged on the side of the mounting frame, a first driving wheel is provided on the output shaft of the first motor, a first driven wheel is provided on the top surface of the mounting frame, the first driving wheel and the first driven wheel are connected by a first synchronous belt transmission, a connecting member is provided on the first synchronous belt, and the connecting member is provided on the top surface of the movable door.

[0008] Furthermore, a slide groove is provided on the bottom surface of the installation frame, and the movable door moves along the slide groove.

[0009] Furthermore, the top surface of the installation frame is provided with a limiting groove matching the connecting piece.

[0010] Furthermore, a first protective cover is provided on the outer side of the installation frame.

[0011] Furthermore, the lifting drive mechanism includes a rotating shaft, which is arranged on the top surface of the top plate, and a power component for driving the rotating shaft to rotate is arranged on one side of the rotating shaft, and drums are arranged at both ends of the rotating shaft, a fixed seat and a second pulley are arranged inside the mounting groove, and the second pulley is arranged above the fixed seat, and a first pulley is arranged on the support frame and on the outside of the side guard plate, one end of the pull rope is arranged on the fixed seat, and the other end of the pull rope is passed around the first pulley and the second pulley in turn and wound around the drum.

[0012] Furthermore, the power assembly includes a second motor, which is arranged on the top surface of the top plate, a second driving wheel is provided on the output shaft of the second motor, a second driven wheel is provided on the rotating shaft, and the second driving wheel and the second driven wheel are connected by a second synchronous belt transmission.

[0013] Furthermore, a second protective cover is provided on the outer side of the top plate.

[0014] Compared with the prior art, the beneficial technical effects of the present invention are:

[0015] The lifting protection box of the utility model protects the gate hoist body, and the movable door can be opened to facilitate routine maintenance and inspection of the gate hoist body. When inspection and maintenance cannot be carried out through the movable door, the lifting drive mechanism can drive the protective shell to rise, thereby showing the gate hoist body for easy operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The present invention will be further described below with reference to the accompanying drawings.

[0017] Figure 1 This is a schematic diagram of the three-dimensional structure of the hoist with a protective device of the utility model;

[0018] Figure 2 This is a schematic diagram of the three-dimensional structure of the utility model with the protective device after omitting the protective cover;

[0019] Figure 3 This is a schematic diagram of the three-dimensional structure of the lifting drive mechanism, support frame, side guard plate, and upper guard plate of the utility model;

[0020] Figure 4 It is a side view of the fixing base, the first pulley and the second pulley of the utility model;

[0021] Figure 5 This is a schematic diagram of the positional relationship of the hoist body of the utility model;

[0022] Figure 6 This is a schematic diagram of the position relationship of the limit slots of the utility model;

[0023] Figure 7 This is a schematic diagram of the connection relationship between the movable door and the connecting piece of the utility model.

[0024] Explanation of the accompanying drawings: 1. column; 2. top plate; 3. mounting groove; 4. back plate; 5. lifting protection box; 6. lifting drive mechanism; 7. gate opening and closing machine body; 5-1. support frame; 5-2. side guard plate; 5-3. upper guard plate; 5-4. mounting frame; 5-4-1. slide groove; 5-4-2. limit groove; 5-5. fixed door; 5-6. movable door; 5-7. first motor; 5-8. first driving wheel; 5-9. first driven wheel; 5-10. first synchronous belt; 5-11. connecting piece; 5-12. first protective cover; 6-1. second motor; 6-2. rotating shaft; 6-3. second driving wheel; 6-4. second driven wheel; 6-5. second synchronous belt; 6-6. reel; 6-7. fixed seat; 6-8. first pulley; 6-9. second pulley; 6-10. pull rope; 6-11. second protective cover. DETAILED DESCRIPTION

[0025] like Figure 1-7 As shown, a gate hoist with a protective device includes a gate hoist body 7, two columns 1 are provided on the rear side of the gate hoist body 7, the columns 1 are connected to the mounting base of the gate hoist body 7, the tops of the two columns 1 are connected with a top plate 2, the inner sides of the columns 1 are connected with mounting grooves 3, a rear plate 4 is connected between the two mounting grooves 3, a lifting protection box 5 is provided on the front side of the rear plate 4, the lifting protection box 5 is located on the outside of the gate hoist body 7, and a lifting drive mechanism 6 for driving the lifting protection box 5 to rise and fall is provided on the outside of the lifting protection box 5.

[0026] like Figure 2 、 3As shown, the lifting protection box 5 includes a support frame 5-1, and the left and right sides of the support frame 5-1 are connected with side guard plates 5-2, the rear ends of the side guard plates 5-2 are inserted into the installation slots 3, the top surface of the support frame 5-1 is connected with an upper guard plate 5-3, the front of the support frame 5-1 is connected with a mounting frame 5-4, a fixed door 5-5 and a movable door 5-6 are installed in the mounting frame 5-4, and a driving component for driving the movable door 5-6 to move is installed on the top surface of the mounting frame 5-4; in addition, the side guard plates 5-2 are provided with There are several heat dissipation holes, and rainproof plates are installed above the heat dissipation holes to prevent rainwater from entering the lifting protection box 5 through the heat dissipation holes; the upper guard plate 5-3, two side guard plates 5-2, the rear plate 4, the fixed door 5-5, and the movable door 5-6 form a protective shell with an opening at the bottom to protect the gate hoist body 7. The movable door 5-6 can be opened to facilitate routine maintenance and inspection of the gate hoist body 7. When inspection and maintenance cannot be performed through the movable door 5-6, the lifting drive mechanism 6 can drive the protective shell to rise, thereby showing the gate hoist body 7 for easy operation.

[0027] The driving assembly includes a first motor 5-7, which is mounted on the side of the mounting frame 5-4, and a first driving wheel 5-8 is mounted on the output shaft of the first motor 5-7. The top surface of the mounting frame 5-4 is rotatably connected to a first driven wheel 5-9 via a rotating shaft. The first driving wheel 5-8 and the first driven wheel 5-9 are connected via a first synchronous belt 5-10. The first synchronous belt 5-10 is connected to a connecting member 5-11, and the connecting member 5-11 is arranged on the top surface of the movable door 5-6; a sliding groove 5-4-1 is provided on the bottom surface of the mounting frame 5-4, and the movable door 5-6 moves along the sliding groove 5-4-1; Figure 6 As shown, the top surface of the installation frame 5-4 is provided with a limit groove 5-4-2 that matches the connecting member 5-11; a first protective cover 5-12 is installed on the outer side of the installation frame 5-4, and the first protective cover 5-12 covers the first motor 5-7, the first driving wheel 5-8, the first driven wheel 5-9, the first synchronous belt 5-10, the connecting member 5-11, etc., to protect these structures, avoid these structures from being exposed to the sun or eroded by rain for a long time, and improve their service life.

[0028] When in use, the first motor 5-7 drives the first driving wheel 5-8 to rotate, and the first driving wheel 5-8 drives the first driven wheel 5-9 to rotate through the first synchronous belt 5-10. During this process, the connecting piece 5-11 moves together with the first synchronous belt 5-10, driving the movable door 5-6 to move. When the movable door 5-6 moves to the front of the fixed door 5-5, the staff can perform routine maintenance and inspection on the hoist body 7.

[0029] The lifting drive mechanism 6 includes a rotating shaft 6-2, which is arranged on the top surface of the top plate 2. A support seat is installed on the top surface of the top plate 2. The rotating shaft 6-2 is rotatably connected to the support seat through a bearing. A power component for driving the rotating shaft 6-2 to rotate is provided on one side of the rotating shaft 6-2. A reel 6-6 is installed at both ends of the rotating shaft 6-2. The reel 6-6 is located above the mounting groove 3. Figure 4 As shown, a fixed seat 6-7 and a second pulley 6-9 are installed inside the mounting groove 3, and the second pulley 6-9 is arranged above the fixed seat 6-7, and a first pulley 6-8 is installed on the support frame 5-1 and on the outside of the side guard plate 5-2, one end of the pull rope 6-10 is fixedly connected to the fixed seat 6-7, and the other end of the pull rope 6-10 is passed around the first pulley 6-8 and the second pulley 6-9 in turn and wound around the reel 6-6.

[0030] Specifically, the power assembly includes a second motor 6-1, which is arranged on the top surface of the top plate 2, and a second driving wheel 6-3 is provided on the output shaft of the second motor 6-1, and a second driven wheel 6-4 is provided on the rotating shaft 6-2, and the second driving wheel 6-3 and the second driven wheel 6-4 are connected by a second synchronous belt 6-5; a second protective cover 6-11 is installed on the outer side of the top plate 2, and the second protective cover 6-11 covers the second motor 6-1, the rotating shaft 6-2, the second driving wheel 6-3, the second driven wheel 6-4, the second synchronous belt 6-5, the reel 6-6 and other structures to protect these structures, avoid long-term exposure to sunlight or erosion by rain, and improve their service life.

[0031] When in use, the second motor 6-1 drives the second driving wheel 6-3 to rotate, and the second driving wheel 6-3 drives the second driving wheel 6-3 to rotate through the second synchronous belt 6-5. The rotating shaft 6-2 rotates together with the second driving wheel 6-3, and the reel 6-6 rotates together with the rotating shaft 6-2. The pull rope 6-10 is wound around the reel 6-6, driving the lifting protection box 5 to rise, which is convenient for the installation, disassembly and maintenance of the hoist body 7.

[0032] The action process of this utility model is as follows:

[0033] During routine maintenance and inspection, the first motor 5-7 drives the first driving wheel 5-8 to rotate, and the first driving wheel 5-8 drives the first driven wheel 5-9 to rotate through the first synchronous belt 5-10. During this process, the connecting piece 5-11 moves together with the first synchronous belt 5-10, driving the movable door 5-6 to move. When the movable door 5-6 moves to the front of the fixed door 5-5, the staff can maintain and inspect the gate opening and closing machine body 7.

[0034] When a major failure occurs in the gate hoist body 7 and parts need to be disassembled and replaced, and it is inconvenient to operate through the operating port at the movable door 5-6, the second motor 6-1 is started, and the second motor 6-1 drives the second driving wheel 6-3 to rotate. The second driving wheel 6-3 drives the second driving wheel 6-3 to rotate through the second synchronous belt 6-5, and the rotating shaft 6-2 rotates together with the second driving wheel 6-3, and the drum 6-6 rotates together with the rotating shaft 6-2. The pull rope 6-10 is wound around the drum 6-6, driving the lifting protection box 5 to rise, so that the gate hoist body 7 can be installed, disassembled and repaired.

[0035] The embodiments described above are merely preferred embodiments of the present invention and are not intended to limit the scope of the present invention. Without departing from the spirit of the present invention, various modifications and improvements to the technical solutions of the present invention made by ordinary technicians in this field should fall within the scope of protection determined by the claims of the present invention.

Claims

1. A gate hoist with a protective device, comprising a gate hoist body (7), characterized in that: Two columns (1) are provided on the rear side of the gate hoist body (7), a top plate (2) is provided on the top of the two columns (1), a mounting groove (3) is provided on the inner side of the columns (1), a rear plate (4) is provided between the two mounting grooves (3), a lifting protection box (5) is provided on the front side of the rear plate (4), the lifting protection box (5) is located on the outer side of the gate hoist body (7), and a lifting drive mechanism (6) for driving the lifting protection box (5) to move up and down is provided on the outer side of the lifting protection box (5); The lifting protection box (5) comprises a supporting frame (5-1), side guard plates (5-2) are provided on the left and right sides of the supporting frame (5-1), the rear ends of the side guard plates (5-2) are provided in the mounting grooves (3), the top surface of the supporting frame (5-1) is provided with an upper guard plate (5-3), the front of the supporting frame (5-1) is provided with a mounting frame (5-4), a fixed door (5-5) and a movable door (5-6) are provided in the mounting frame (5-4), and a driving component for driving the movable door (5-6) to move is provided on the top surface of the mounting frame (5-4).

2. The gate hoist with a protective device according to claim 1, characterized in that: The driving assembly includes a first motor (5-7), the first motor (5-7) is arranged on the side of the installation frame (5-4), a first driving wheel (5-8) is arranged on the output shaft of the first motor (5-7), a first driven wheel (5-9) is arranged on the top surface of the installation frame (5-4), the first driving wheel (5-8) and the first driven wheel (5-9) are connected by a first synchronous belt (5-10), a connecting member (5-11) is arranged on the first synchronous belt (5-10), and the connecting member (5-11) is arranged on the top surface of the movable door (5-6).

3. The gate hoist with a protective device according to claim 2, characterized in that: The bottom surface of the installation frame (5-4) is provided with a sliding groove (5-4-1), and the movable door (5-6) moves along the sliding groove (5-4-1).

4. The gate hoist with a protective device according to claim 3, characterized in that: The top surface of the installation frame (5-4) is provided with a limiting groove (5-4-2) matching the connecting piece (5-11).

5. The gate hoist with a protective device according to claim 4, characterized in that: A first protective cover (5-12) is provided on the outer side of the installation frame (5-4).

6. The gate hoist with a protective device according to claim 1, characterized in that: The lifting drive mechanism (6) comprises a rotating shaft (6-2), the rotating shaft (6-2) is arranged on the top surface of the top plate (2), a power assembly for driving the rotating shaft (6-2) to rotate is arranged on one side of the rotating shaft (6-2), and reels (6-6) are arranged at both ends of the rotating shaft (6-2), a fixing seat (6-7) and a second pulley (6-9) are arranged inside the mounting groove (3), and the second pulley (6-9) is arranged above the fixing seat (6-7), a first pulley (6-8) is arranged on the supporting frame (5-1) and located on the outside of the side guard plate (5-2), one end of the pull rope (6-10) is arranged on the fixing seat (6-7), and the other end of the pull rope (6-10) is passed around the first pulley (6-8) and the second pulley (6-9) in sequence and wound around the reel (6-6).

7. The gate hoist with a protective device according to claim 6, characterized in that: The power assembly comprises a second motor (6-1), the second motor (6-1) is arranged on the top surface of the top plate (2), a second driving wheel (6-3) is arranged on the output shaft of the second motor (6-1), a second driven wheel (6-4) is arranged on the rotating shaft (6-2), and the second driving wheel (6-3) and the second driven wheel (6-4) are connected by a second synchronous belt (6-5).

8. The gate hoist with a protective device according to claim 7, characterized in that: A second protective cover (6-11) is provided on the outer side of the top plate (2).

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