Heavy suspension arm assembly

Abstract

The utility model discloses a heavy suspension arm assembly, and relates to the related technical field of chemical equipment. The lifting arm comprises an equipment shell, a lifting arm body, a transmission case and a flange cover, the flange cover is arranged at the top end of the equipment shell, the transmission case is arranged above the flange cover, a worm gear is vertically and rotatably connected in the transmission case through a hand wheel rotating transmission device, a worm is rotatably connected to the inner wall of the transmission case on one side of the worm gear, and the worm is meshed with the worm gear. A rotating block is fixed to the edge, away from the transmission box, of the bottom of the suspension arm body. Through the arrangement of the equipment shell, the suspension arm main body, the transmission case and the flange cover, the problems that the operation is troublesome after the flange cover is lifted and moved away through the suspension arm main body and the flange cover is inconvenient to reinstall and align after being detached are solved, and the suspension arm has the advantages that the operation is more convenient after the flange cover is lifted and moved away through the suspension arm main body; the flange cover is more convenient to reinstall and align after being detached.

Description

Technical Field

[0001] The utility model belongs to the technical field related to chemical equipment, and particularly relates to a heavy boom assembly. Background Art

[0002] Large chemical pressure flange covers are key connection components used in high-pressure pipeline systems. They are usually used to connect pipelines, valves, pumps, and other equipment. These flange covers must be able to withstand extreme working conditions, including high temperature, high pressure, and corrosive media. In the chemical industry, these flange covers are crucial for ensuring the integrity and safe operation of the pipeline system. In order to perform installation and other operations, the flange plate needs to be lifted by a boom assembly. When the boom body lifts the flange cover, the force applied to the rotating lifting structure handle shall not exceed 20 kg. However, it still has the following disadvantages in actual use:

[0003] When the large chemical pressure flange cover is lifted by the boom assembly, in order to ensure safety, two people are required to operate to lift the flange cover as a whole. After the flange cover is lifted as a whole, it can be moved away. When the rotating handwheel is loosened after moving the flange cover, the flange cover needs to be loosened to the lowest point to prevent danger caused by the rotation of the flange cover during work. The operation is rather troublesome.

[0004] After the large chemical pressure flange cover is removed and reinstalled through the boom body, the boom body needs to be rotated to the top of the chemical equipment and aligned with the installation equipment. During the work process, the alignment operation requires careful alignment of the flange cover, which is not convenient to use and troublesome. Summary of the Utility Model

[0005] The purpose of the utility model is to provide a heavy boom assembly, which solves the problems that the operation is rather troublesome after the flange cover is lifted and moved away by the boom body, and it is not convenient enough to align the flange cover after disassembly and reinstallation.

[0006] To solve the above technical problems, the utility model is realized through the following technical solutions:

[0007] The utility model relates to a heavy boom assembly, which comprises an equipment housing, a boom main body, a transmission box and a flange cover. A flange cover is arranged at the top end of the equipment housing, a transmission box is arranged above the flange cover, a worm gear is vertically rotatably connected to the inner wall of the transmission box on one side of the worm gear, a worm is rotatably connected to the inner wall of the transmission box on one side of the worm gear, the worm is meshed with the worm gear, a boom main body is fixed to one side of the transmission box, and a rotating block is fixed to the edge of the bottom of the boom main body far away from the transmission box. During operation, the boom main body, the transmission box and the flange cover are supported on the equipment housing through the equipment housing, and the top end of the equipment housing is closed through the flange cover. The transmission box is supported and connected above the equipment housing through the boom main body. By rotating the hand wheel on the moving box body, the worm is driven to rotate, so that the worm gear rotates, and the flange cover is driven to rise above the equipment housing.

[0008] Further, a support platform is fixed to the upper part of the periphery of the equipment housing, a support column is fixed to the top of the support platform, and the top end of the support column is rotatably connected to the bottom end of the rotating block. The equipment housing connects the support column to it through the support platform.

[0009] Further, a second ear plate is fixed to the upper part of the periphery of the rotating block, a first ear plate is fixed to the upper part of the periphery of the support column corresponding to the position of the second ear plate, and an L-shaped bolt is inserted through the second ear plate and the first ear plate. During the operation of the rotating block, the L-shaped bolt is movably connected to the second ear plate, and at the same time, the position of the equipment housing and the flange cover is determined by inserting the L-shaped bolt into the first ear plate and the second ear plate.

[0010] Further, a hand wheel is fixed to one end of the worm, the hand wheel is inserted through one side of the transmission box, a fixing frame is fixed to one side of the transmission box above the hand wheel, a pin is inserted through the fixing frame, and the pin is inserted into the periphery of the hand wheel. When the hand wheel rotates, the worm is driven to rotate. By inserting the pin into the fixing frame and then into the periphery of the hand wheel, the position of the worm is determined.

[0011] Further, a lifting rod is fixed to the center of the top end of the flange cover, a lifting slider is fixed to the top end of the lifting rod, and a lead screw is fixed to the top end of the lifting slider. The flange cover is connected to the slider through the lifting rod and the slider is connected to the lead screw.

[0012] Further, a movable sleeve is fixed to the bottom of the transmission box, the lifting slider is movably connected to the movable sleeve, the lead screw is inserted through the transmission box, the bottom end of the lead screw is arranged in the movable sleeve, and the lead screw is vertically and threadedly connected to the worm gear. During the operation of the transmission box, when the lifting slider rises and falls, the lifting rod and the flange cover are driven to rise and fall.

[0013] The utility model has the following beneficial effects:

[0014] The utility model solves the problem that the operation is rather troublesome after the flange cover is lifted and removed by the main boom body by arranging an equipment housing, a main boom body, a transmission box and a flange cover. When it is necessary to lift the flange cover, turn the handwheel. Through the rotation of the handwheel, the worm is driven to rotate. Through the rotation of the worm, the worm gear is driven to rotate. When the worm gear rotates, the lead screw is driven to rise. When the lead screw rises, the lifting slider is driven to slide in the movable sleeve, driving the lifting rod and the flange cover to rise, preventing the flange cover from rotating with the rotation of the worm gear. After the flange cover is lifted, insert the bolt into the fixed frame and then into the handwheel to limit the position of the handwheel, so that the lifted height of the flange cover is determined, preventing the flange cover from falling after being removed, making the operation more convenient after the flange cover is lifted and removed by the main boom body.

[0015] The utility model solves the problem that it is not convenient enough to re-align the flange cover after disassembly by arranging an equipment housing and a main boom body. After the flange cover is disassembled, pull up the L-shaped bolt. By pulling out the L-shaped bolt from the two ear plates, push the transmission box, so that the main boom body is pushed until the flange cover leaves directly above the equipment housing. After corresponding work is carried out on the equipment housing, push the transmission box again until the flange cover is arranged at the top of the equipment housing. Then insert the L-shaped bolt into the second ear plate and then into the first ear plate on the support column downward, so that the position of the flange cover above the equipment housing is determined, making it more convenient to re-align the flange cover after disassembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for describing the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0017] Figure 1 It is a three-dimensional view of an assembly structure of a heavy-duty boom assembly;

[0018] Figure 2 It is a three-dimensional view of the equipment housing structure;

[0019] Figure 3 It is a three-dimensional view of the main boom body structure;

[0020] Figure 4 It is a three-dimensional view of a partially sectional structure of the transmission box;

[0021] Figure 5 It is a three-dimensional view of the flange cover structure.

[0022] Reference Signs:

[0023] 1. Equipment housing; 101. Support platform; 102. Support column; 103. First ear plate; 2. Boom main body; 201. Rotating block; 202. Second ear plate; 203. L-shaped bolt; 3. Transmission box; 301. Worm; 302. Handwheel; 303. Fixed frame; 304. Pin; 305. Worm gear; 306. Movable sleeve; 4. Flange cover; 401. Lifting rod; 402. Lifting slider; 403. Lead screw. Detailed implementation manner

[0024] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the scope of protection of the present invention. Specific embodiment one

[0025] Please refer to Figures 1-5 , the present invention is a heavy boom assembly, including an equipment housing 1, a boom main body 2, a transmission box 3 and a flange cover 4. A flange cover 4 is provided at the top of the equipment housing 1, and the top of the equipment housing 1 is closed through the flange cover 4. A transmission box 3 is provided above the flange cover 4. When the transmission box 3 is pushed, it drives the flange cover 4 to change its position. A worm gear 305 is vertically rotatably connected inside the transmission box 3. When the worm gear 305 rotates, it drives the lead screw 403 to rotate. A worm 301 is rotatably connected to the inner wall of the transmission box 3 on one side of the worm gear 305. The worm 301 and the worm gear 305 are meshed with each other, so that when the worm 301 rotates, it drives the worm gear 305 to rotate. A boom main body 2 is fixed to one side of the transmission box 3. The boom main body 2 supports the transmission box 3 on the equipment housing 1. A rotating block 201 is fixed to the edge of the bottom of the boom main body 2 away from the transmission box 3. Through the rotating block 201, the rotating arm can rotate away from the top of the equipment housing 1.

[0026] Specifically, a support platform 101 is fixed to the upper part of the periphery of the equipment housing 1. A support column 102 is fixed to the top of the support platform 101. The top end of the support column 102 is rotatably connected to the bottom end of the rotating block 201. The equipment housing 1 supports the support column 102 on it through the support platform 101.

[0027] Furthermore, a second ear plate 202 is fixed to the upper part of the periphery of the rotating block 201. A first ear plate 103 is fixed to the upper part of the periphery of the support column 102 corresponding to the position of the second ear plate 202. An L-shaped bolt 203 is inserted through the first ear plate 103 and the second ear plate 202. The rotating block 201 is movably connected to the L-shaped bolt 203 through the cooperation of the first ear plate 103 and the second ear plate 202.

[0028] The operation process of this embodiment is as follows: During work, when the flange cover 4 is disassembled, the L-shaped bolt 203 is pulled upward. By pulling out the L-shaped bolt 203 from the two ear plates, the transmission box 3 is pushed, causing the boom main body 2 to be pushed until the flange cover 4 is moved away from directly above the equipment housing 1. After corresponding work is carried out on the equipment housing 1, the transmission box 3 is pushed again until the flange cover 4 is set at the top of the equipment housing 1. Then, the L-shaped bolt 203 is inserted into the second ear plate 202 and then into the first ear plate 103 on the support column 102, so that the position of the flange cover 4 above the equipment housing 1 is determined. Specific Embodiment Two

[0029] Please refer to Figure 1 、 4 Figure 5. On the basis of Specific Embodiment One, a handwheel 302 is fixed at one end of the worm 301. The handwheel 302 is inserted through and connected to one side of the transmission box 3. A fixed frame 303 is fixed on one side of the transmission box 3 above the handwheel 302. A pin 304 is inserted through the fixed frame 303. The pin 304 is inserted on the circumference of the handwheel 302. By rotating the handwheel 302, the worm 301 is driven to rotate. When the worm 301 rotates, the worm gear 305 is driven to rotate. The transmission box 3 is movably connected to the pin 304 through the fixed frame 303. After the pin 304 is inserted into the fixed frame 303 and then into the circumference of the handwheel 302, the handwheel 302 is positioned.

[0030] Specifically, a lifting rod 401 is fixed at the center of the top end of the flange cover 4. A lifting slider 402 is fixed at the top end of the lifting rod 401. A lead screw 403 is fixed at the top end of the lifting slider 402. The flange cover 4 connects the lifting slider 402 to it through the lifting rod 401.

[0031] Furthermore, a movable sleeve 306 is fixed at the bottom of the transmission box 3. The lifting slider 402 is movably connected in the movable sleeve 306. The lead screw 403 is inserted through the transmission box 3. The bottom end of the lead screw 403 is arranged in the movable sleeve 306. The lead screw 403 is vertically inserted and threadedly connected in the worm gear 305. During work, when the worm gear 305 rotates, the lead screw 403 is driven to lift and lower. When the lead screw 403 lifts and lowers, the lifting slider 402 is driven to slide in the movable sleeve 306, preventing the flange cover 4 from rotating as the worm gear 305 rotates.

[0032] The operation process of this embodiment is as follows: During operation, when it is necessary to lift the flange cover 4, rotate the handwheel 302. Through the rotation of the handwheel 302, the worm 301 is driven to rotate. Through the rotation of the worm 301, the worm wheel 305 is driven to rotate. When the worm wheel 305 rotates, the lead screw 403 is driven to rise. When the lead screw 403 rises, the lifting slider 402 is driven to slide in the movable sleeve 306, driving the lifting rod 401 and the flange cover 4 to rise, preventing the flange cover 4 from rotating as the worm wheel 305 rotates. After the lifting of the flange cover 4 is completed, insert the bolt 304 into the fixed frame 303, and then insert the bolt 304 into the handwheel 302 to limit the position of the handwheel 302, so that the height at which the flange cover 4 is lifted is determined, preventing the flange cover 4 from falling after being removed.

[0033] In the description of this specification, the description with reference to terms such as "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic expressions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in a suitable manner in any one or more embodiments or examples.

[0034] The preferred embodiments of the present invention disclosed above are only used to help explain the present invention. The preferred embodiments do not describe all the details in detail, nor do they limit the present invention to the specific embodiments described. Obviously, according to the content of this specification, many modifications and changes can be made. This specification selects and specifically describes these embodiments in order to better explain the principle and practical application of the present invention, so that those skilled in the art can understand and utilize the present invention well. The present invention is only limited by the claims and their full scope and equivalents.

Claims

1. A heavy-duty boom assembly, comprising an equipment housing (1), a boom main body (2), a transmission case (3) and a flange cover (4), characterized in that: A flange cover (4) is provided at the top end of the equipment housing (1). Above the flange cover (4), a transmission box (3) is provided. Vertically rotatably connected inside the transmission box (3) is a worm gear (305). Rotatably connected to the inner wall of the transmission box (3) on one side of the worm gear (305) is a worm (301). The worm gears (301) are meshed with each other. Fixed to one side of the transmission box (3) is a boom main body (2). Fixed to the edge of the bottom of the boom main body (2) away from the transmission box (3) is a rotating block (201).

2. The heavy jib assembly according to claim 1, wherein: Fixed to the upper part of the peripheral side of the equipment housing (1) is a support platform (101). Fixed to the top of the support platform (101) is a support column (102). The top end of the support column (102) is rotatably connected to the bottom end of the rotating block (201).

3. The heavy boom assembly according to claim 2, characterized in that: Fixed to the upper part of the peripheral side of the rotating block (201) is an ear plate two (202). Fixed to the upper part of the peripheral side of the support column (102) corresponding to the position of the ear plate two (202) is an ear plate one (103). An L-shaped bolt (203) is inserted through and connected in the ear plate two (202) and the ear plate one (103) together.

4. A heavy-duty boom assembly according to claim 1, characterized in that: Fixed to one end of the worm (301) is a hand wheel (302). The hand wheel (302) is inserted through one side of the transmission box (3). Fixed to one side of the transmission box (3) above the hand wheel (302) is a fixed frame (303). Inserted through the fixed frame (303) is a pin (304). The pin (304) is inserted on the peripheral side of the hand wheel (302).

5. The heavy boom assembly according to claim 4, wherein: Fixed to the center of the top end of the flange cover (4) is a lifting rod (401). Fixed to the top end of the lifting rod (401) is a lifting slider (402). Fixed to the top end of the lifting slider (402) is a lead screw (403).

6. The heavy-duty boom assembly according to claim 5, wherein: Fixed to the bottom of the transmission box (3) is a movable sleeve (306). The lifting slider (402) is movably connected inside the movable sleeve (306). The lead screw (403) is inserted through the transmission box (3). The bottom end of the lead screw (403) is arranged inside the movable sleeve (306). The lead screw (403) is vertically inserted and threadedly connected inside the worm gear (305).

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