A hoisting device for chemical machinery maintenance

Abstract

A kind of hoisting equipment for chemical machinery overhaul, including base, the bottom of base is equipped with the travelling wheel that can move with base;Hoisting piece is movably arranged above the base under the drive of drive mechanism;Hoisting piece includes: the mounting seat connected with the output end of the drive mechanism;Hook is constrained together with mounting seat, for hanging the spare part to be hoisted;At least two telescopic pieces are arranged around the first axis extending up and down on the outer periphery of the hook, and the upper end of each telescopic piece is constrained together with the mounting seat, and the lower end of each telescopic piece is free end that can move up and down relative to mounting seat, to be able to contact with the upper surface of the spare part to be hoisted.The utility model can move hoisting mechanical spare part, and avoid mechanical spare part to shake in hoisting process.

Description

Technical Field

[0001] This utility model belongs to the field of hoisting technology, specifically relating to a hoisting device for the maintenance of chemical machinery. Background Technology

[0002] Chemical machinery comprises two parts: chemical machinery, which mainly refers to equipment such as fans, compressors, and various pumps for fluid transport, whose main components are moving machines, and is generally called chemical machinery; and chemical equipment, which mainly refers to machines whose components are stationary, such as separation equipment like towers, containers, and reactors, and is sometimes also called non-standard equipment.

[0003] In the maintenance of chemical machinery, due to the large structure and weight of each component, hoisting equipment is required for auxiliary hoisting and maintenance.

[0004] In the prior art, the Chinese utility model patent with application number 202122645438.3 and publication number CN216190514U, entitled "A Lifting Equipment for Chemical Machinery Maintenance", provides a lifting equipment for chemical machinery maintenance. It sets a first slide rail and a second slide rail on the support and connects them. The lifting mechanism is installed on the second slide rail, which realizes the transportation of parts to the appropriate position required by the chemical equipment. It replaces the steel rope operation, improves the stability of parts transportation, avoids parts falling, and thus improves work efficiency.

[0005] While the aforementioned patent can prevent parts from falling off and improve work efficiency through the cooperation of various structures, it still has the following drawbacks:

[0006] 1. Existing technologies are mostly used for hoisting in fixed locations. However, when some mechanical parts need to be repaired or replaced, existing technologies cannot be moved to a suitable location. Thus, existing technologies have the problem of inconvenience in mobile hoisting operations.

[0007] 2. During the hoisting process, mechanical parts may sway as they are attached to the hooks of the hoisting equipment, affecting the stability and safety of the hoisting.

[0008] 3. Failure to promptly detect abnormalities during the hoisting process of mechanical parts. Utility Model Content

[0009] The technical problem to be solved by this utility model is to provide a hoisting device for the maintenance of chemical machinery, which can move and hoist mechanical parts and prevent the mechanical parts from shaking during the hoisting process, in light of the current state of the technology.

[0010] The technical solution adopted by this utility model to solve the above-mentioned technical problems is: a hoisting device for chemical machinery maintenance, comprising:

[0011] Base;

[0012] The lifting component, which is movable up and down above the base under the drive of the drive mechanism;

[0013] Its features are:

[0014] The base is equipped with wheels at its bottom that allow it to move.

[0015] The lifting components include:

[0016] A mounting base connected to the output end of the drive mechanism;

[0017] Hooks, which are constrained to the mounting base, are used to hang components to be hoisted.

[0018] At least two telescopic members are arranged around the outer periphery of the hook around a first axis extending vertically, and the upper end of each telescopic member is constrained to the mounting base, and the lower end of each telescopic member is a free end that can move vertically relative to the mounting base so as to contact the upper surface of the component to be hoisted.

[0019] By designing the lifting component with a mounting base, hooks, and telescopic components, the component to be lifted can be hung on the hooks of the lifting component before lifting. Then, the lower end of the telescopic component abuts against the upper surface of the component, ensuring that the component will not sway significantly when lifted. Furthermore, by installing casters at the bottom of the base that allow the base to move, the lifting equipment of this invention can be moved for lifting, preventing the mechanical components from swaying during the moving and lifting process.

[0020] Preferably, the mounting base is plate-shaped, and the hook and telescopic member are located below the mounting base.

[0021] Preferably, the telescopic component is a vertically arranged electric push rod.

[0022] In the above scheme, preferably, the lower end of the telescopic component is provided with a roller that can rotate around a second axis extending horizontally around its center, and the side circumferential surface of the roller is used to contact the upper surface of the component to be hoisted. The roller design ensures that the lower end of the telescopic component can stably contact the upper surface of the component to be hoisted, and avoids scratching or even damaging the upper surface of the component to be hoisted by the lower end of the telescopic component.

[0023] Preferably, the base is provided with an upwardly extending column and a horizontally extending lifting arm relative to the upper end of the column, and the lifting component is located below the lifting arm.

[0024] In order to drive the lifting components to move up and down, the end of the lifting arm is further provided with a fixed pulley that can rotate about a central horizontally extending pivot.

[0025] The driving mechanism includes:

[0026] After passing over the fixed pulley, the first end of the wire rope extends downward and serves as the output end of the drive mechanism, connecting to the mounting base of the lifting component. The second end of the wire rope is wound on a winding wheel.

[0027] The power unit is used to drive the winding reel to rotate and wind up or unwind the wire rope.

[0028] In this way, by winding and unwinding the wire rope, the lifting component connected to the first end of the wire rope can be driven to move up and down.

[0029] Furthermore, let the direction of travel of the base be the front side, the column be located on the front side of the base and tilted backward from bottom to top, and the lifting arm extend forward from the upper end of the column. The cooperation between the tilted column and the lifting arm ensures the stability of the overall structure.

[0030] More preferably, it also includes a battery for powering the drive mechanism and an electrical control box, both of which are located on the rear side of the base.

[0031] In the above solutions, in order to detect abnormalities in the hoisting process of components in a timely manner, preferably, a monitoring mechanism for monitoring the working process and / or working environment of the hoisted component, and a controller connected to the signal output terminal of the monitoring mechanism are also included. The controller controls the operation of the drive mechanism and the telescopic component according to the signal output by the monitoring mechanism.

[0032] Furthermore, the monitoring mechanism includes at least one of the following: a temperature sensor, a humidity sensor, a wind speed sensor, a light sensor, a harmful gas concentration sensor for monitoring the working environment of the hoisting component; a tension sensor for monitoring the tension of the component to be hoisted on the hoisting component; an angle sensor for monitoring the tilt angle of the component to be hoisted mounted on the hoisting component; and a camera for acquiring images of the hoisting component's working process.

[0033] Compared with existing technologies, the advantages of this invention are as follows: By designing the lifting component with a mounting base, hook, and telescopic component, the component to be lifted can be hung on the hook of the lifting component before lifting. Then, the lower end of the telescopic component abuts against the upper surface of the component to be lifted, thus ensuring that the component will not sway significantly when lifted. Furthermore, by providing wheels at the bottom of the base that allow the base to move, the lifting equipment of this invention is movable and lifts components without causing the mechanical parts to sway during the lifting process. Attached Figure Description

[0034] Figure 1 This is a schematic diagram of the structure of the hoisting equipment according to an embodiment of the present utility model;

[0035] Figure 2 This is an exploded perspective view of a portion of the hoisting equipment according to an embodiment of the present invention. Detailed Implementation

[0036] The present invention will be further described in detail below with reference to the accompanying drawings and embodiments.

[0037] like Figure 1 , 2 As shown, this is a preferred embodiment of a hoisting device for the maintenance of chemical machinery according to the present invention. The hoisting device includes a base 1, a hoisting component 2, a drive mechanism 3, a battery 4, an electrical control box 5, a monitoring mechanism, and a controller.

[0038] The base 1 has wheels 11 at its bottom that allow it to move. Taking the direction of travel of the base 1 as the front, two sets of wheels 11, one on the left and one on the right, are arranged at the bottom of the base, one in front of the other. The front of the base 1 also has a column 12 that slopes backward from bottom to top, and a lifting arm 13 extending forward from the upper end of the column 12. The rear end of the lifting arm 13 is rotatably connected to the upper end of the column 12, and its rotation axis extends left and right, allowing the lifting arm 13 to rotate up and down relative to the column 12. To support the lifting arm 13, a hydraulic cylinder 15 is located in the middle of the column 12. The cylinder body of the hydraulic cylinder 15 is rotatably connected to the column 12, and its rotation axis extends left and right. The piston rod of the hydraulic cylinder 15 is rotatably connected to the lifting arm 13, and its rotation axis extends left and right. The upper side of the lifting arm 13 has a long groove 131 extending along its length.

[0039] The aforementioned battery 4 (an existing storage battery) and the electrical control box 5 are located on the rear side of the base 1.

[0040] The aforementioned lifting component 2 is positioned below the lifting arm 13 and can move up and down under the drive mechanism 3. The lifting component 2 includes a mounting base 21 connected to the output end of the drive mechanism 3, a hook 22 constrained to the mounting base 21 for mounting the component to be lifted, and two telescopic components 23. The two telescopic components 23 are arranged around the outer periphery of the hook 22 along a first vertically extending axis 20, with the upper end of each telescopic component 23 constrained to the mounting base 12, and the lower end of each telescopic component 23 being a free end that can move up and down relative to the mounting base 21 to contact the upper surface of the component to be lifted. In this embodiment, the mounting base 21 is a horizontally arranged plate-like body, the hook 22 and the telescopic components 23 are located below the mounting base 21, and the hook 22 and the first axis 20 are positioned corresponding to the center of the plate-like body. The two telescopic components 23 are respectively arranged on the left and right sides of the hook 22. The telescopic components 23 are vertically arranged electric push rods. The lower end of the telescopic member 23 is provided with a roller 231 that can rotate around a second axis 230 that extends horizontally around its center. The side circumferential surface of the roller 231 is used to contact the upper surface of the component to be hoisted.

[0041] In this embodiment, the front end of the lifting arm 13 is provided with a fixed pulley 14 that can rotate around a central pivot extending left and right. The drive mechanism 3 includes a wire rope 31 and a power component 33. The wire rope 31 slides along its length in the long groove 131 of the lifting arm 13, and after passing over the fixed pulley 14 on the front end of the lifting arm 13, the first end of the wire rope 31 extends downward and serves as the output end of the drive mechanism 3, connecting to the mounting base 21 of the lifting component 2. The second end of the wire rope 31 is wound on a winding wheel 32. The power component 33 is a motor, used to drive the winding wheel 32 to rotate and retract the wire rope 31. The power component 33 and the winding wheel 32 are mounted on the base 1. By driving the winding wheel 32 to rotate forward or backward by the power component, the wire rope 31 can be retracted or released, thereby causing the wire rope 31 to move up and down with the lifting component 2.

[0042] The aforementioned monitoring mechanism is used to monitor the working process and environment of the lifting component 2. The monitoring mechanism includes temperature sensors, humidity sensors, wind speed sensors, light sensors, and harmful gas concentration sensors for monitoring the working environment of the lifting component 2; a force sensor for monitoring the tension of the component to be lifted on the lifting component 2; an angle sensor for monitoring the tilt angle of the component to be lifted suspended on the lifting component 2; and a camera for capturing images of the lifting component 2's working process. The controller is connected to the signal output terminal of the monitoring mechanism and is used to control the operation of the drive mechanism 3 and the telescopic component 23 based on the signals output by the monitoring mechanism. For example, when the force sensor detects that the tension of the component to be lifted on the lifting component 2 exceeds a threshold, it means that the load on the lifting component 2 is too large. The controller then controls the drive mechanism 3 to stop working or drives the lifting component downwards to lower the component to be lifted. For example, when the tilt sensor detects that the tilt angle of the component to be hoisted exceeds the threshold (e.g., 5°), the controller controls the extension and retraction of the two telescopic components 23 to reduce the tilt angle of the component to be hoisted (e.g., reduce it to ≤2°), so as to prevent the component from shaking or even falling due to the shift of the center of gravity.

[0043] The battery in this embodiment can power the electric push rod, the motor of the drive mechanism 3, the monitoring mechanism, etc.

[0044] When hoisting components, the ropes, hanging rings, etc. on the components are hung on the hooks 22 of the hoisting component 2. The winding wheel 32 is driven to rotate by the power component 33. The wire rope 31 can stably lift the hoisting component 2 and the components with the help of the fixed pulley 14. This design avoids the problem of inconvenience of mobile hoisting construction in the existing technology.

[0045] Through the design of the telescopic component 23, after the component is hung on the hook 22 of the lifting component 2, the roller 231 at the lower end of the telescopic component 23 can be moved downward and abut against the upper surface of the component. The design of the roller 231 can avoid motion interference between it and the upper surface of the component. This design can ensure that the component will not shake much when the hook is hanging the component, which is convenient for disassembly and installation and avoids large shaking of the component during installation.

[0046] In the specification and claims of this utility model, terms indicating direction, such as "front," "rear," "upper," "lower," "left," "right," "side," "top," and "bottom," are used to describe various exemplary structural parts and elements of this utility model. However, the use of these terms is merely for the purpose of explanation and is based on the exemplary orientations shown in the accompanying drawings. Since the embodiments disclosed in this utility model can be arranged in different orientations, these terms indicating direction are for illustrative purposes only and should not be regarded as limitations. For example, "upper" and "lower" are not necessarily limited to directions opposite to or consistent with the direction of gravity.

[0047] The term "vertical" is also used in the specification and claims of this utility model, meaning basically along the up and down direction, and is not limited to just the vertical direction, but can also be slightly deviated from the vertical direction.

Claims

1. A hoisting device for the maintenance of chemical machinery, comprising: Base (1); The hoisting component (2) is mounted above the base (1) and can move up and down under the drive of the drive mechanism (3); Its features are: The base (1) is provided with a traveling wheel (11) at its bottom, which can move the base (1); The lifting component (2) includes: Mounting base (21) connected to the output end of the drive mechanism (3); The hook (22) constrained to the mounting base (21) is used to hang the parts to be hoisted; At least two telescopic members (23) are arranged around the outer periphery of the hook (22) around the first vertically extending axis (20), and the upper end of each telescopic member (23) is constrained to the mounting base (21), and the lower end of each telescopic member (23) is a free end that can move up and down relative to the mounting base (21) so as to contact the upper surface of the component to be hoisted.

2. The hoisting equipment according to claim 1, characterized in that: The mounting base (21) is plate-shaped, and the hook (22) and telescopic member (23) are located below the mounting base (21).

3. The hoisting equipment according to claim 1, characterized in that: The telescopic component (23) is a vertically arranged electric push rod.

4. The hoisting equipment according to claim 1, characterized in that: The lower end of the telescopic member (23) is provided with a roller (231) that can rotate around a second axis (230) that extends horizontally around its center. The side circumferential surface of the roller (231) is used to contact the upper surface of the component to be hoisted.

5. The hoisting equipment according to claim 1, characterized in that: The base (1) is provided with an upwardly extending column (12) and a horizontally extending lifting arm (13) relative to the upper end of the column (12), and the lifting component (2) is located below the lifting arm (13).

6. The hoisting equipment according to claim 5, characterized in that: The end of the lifting arm (13) is provided with a fixed pulley (14) that can rotate around a central horizontally extending pivot. The drive mechanism (3) includes: The wire rope (31) passes over the fixed pulley (14), and the first end of the wire rope (31) extends downward and is connected to the mounting base (21) of the hoisting component (2) as the output end of the drive mechanism (3). The second end of the wire rope (31) is wound on the winding wheel (32). The power unit (33) is used to drive the winding wheel (32) to rotate and wind up and unwind the wire rope (31).

7. The hoisting equipment according to claim 5, characterized in that: Let the direction of travel of the base (1) be the front side, the column (12) be located on the front side of the base (1) and tilted backward from bottom to top, and the lifting arm (13) extend forward from the upper end of the column (12).

8. The hoisting equipment according to claim 7, characterized in that: It also includes a battery (4) that powers the drive mechanism (3) and an electrical control box (5), both of which are located on the rear side of the base (1).

9. The hoisting equipment according to any one of claims 1 to 8, characterized in that: It also includes a monitoring mechanism for monitoring the working process and / or working environment of the hoisting component (2), and a controller connected to the signal output terminal of the monitoring mechanism. The controller controls the operation of the drive mechanism (3) and the telescopic component (23) according to the signal output by the monitoring mechanism.

10. The hoisting equipment according to claim 9, characterized in that: The monitoring mechanism includes at least one of the following: a temperature sensor, a humidity sensor, a wind speed sensor, a light sensor, a harmful gas concentration sensor, a tension sensor for monitoring the working environment of the hoisting component (2), a tension sensor for monitoring the tension of the component to be hoisted on the hoisting component (2), an tilt sensor for monitoring the tilt angle of the component to be hoisted hanging on the hoisting component (2), and a camera for acquiring images of the working process of the hoisting component (2).

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