Movable chain block lifting installation platform device and method

Abstract

The invention provides a movable chain block lifting installation platform device and method, and relates to the technical field of installation and production of ocean structures, the movable chain block lifting installation platform device comprises a main body support, a storage rack and a lifting rack, the storage rack is arranged on the main body support in a sliding mode, and the lifting rack is arranged in the storage rack and drives the storage rack to move longitudinally; a lifting joint for driving the lifting frame to move longitudinally is connected to the upper portion of the body support, a chain block is hung on the lifting joint, the end, away from the lifting joint, of the chain block is connected with the bottom of the lifting frame, the upper portion of the storage frame penetrates through the top of the body support and then is provided with a storage plate, and the storage plate is provided with a tool holder plate for fixing a structure. The heavy object mounting and welding requirements under the condition that the space is limited can be met, the working fatigue problem caused by long-time side-lying overhead welding of workers in the actual production process can be solved, the construction efficiency is improved, and positive application value and actual economic effectiveness are achieved for steel transportation and construction production in the manufacturing industry.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of installation and production of marine structures, and in particular to a movable chain lifting installation platform device and method. BACKGROUND

[0002] Due to the limitation of construction installation scenes, the installation operation of heavy objects in limited space is one of the actual production problems, and the existing installation platform device has the following problems that need to be solved: The traditional fixed platform has the problem of limited flexibility in moving, and the related device cannot meet the installation operation demand for continuous operation at different operation points. The traditional operation platform has the problem of unadjustable operation surface height, and workers need to work in an abnormal posture for a long time, which is easy to cause fatigue and low work efficiency, and the construction quality in an abnormal state is also easy to have major defects. Part of the lifting operation platform relies on complex electric equipment driving, and the use of electricity is limited in the structure during the initial construction process, which increases the construction period and cost of the entire installation and construction operation. The installation work platform device that can realize flexible lifting and convenient movement has relatively high cost and relatively complex structure, and the batch production of the device has certain difficulties, and the actual cost after production is different from the cost of ordinary application end. In summary, it is urgent to introduce an installation platform device that can flexibly move and adjust the height of the operation surface to achieve the purpose of flexible, convenient, efficient and low-cost structure installation and production. SUMMARY

[0003] The main technical problem to be solved by the present application is the unadjustable height of the operation surface of the operation platform.

[0004] The technical solution adopted by the present application to solve the technical problem is: A movable chain lifting installation platform device, comprising a main support, a storage rack and a lifting frame, wherein the storage rack is slidably arranged on the main support, the lifting frame is arranged in the storage rack and drives the storage rack to move longitudinally, a lifting node for driving the lifting frame to move longitudally is connected to the upper part of the main support, a chain is hung on the lifting node, one end of the chain away from the lifting node is connected to the bottom of the lifting frame, a storage plate is arranged on the upper part of the storage rack after penetrating through the top of the main support, and the storage plate has a knife handle plate for fixing the structure.

[0005] Furthermore, the main support frame includes a movable frame and a left support frame and a right support frame symmetrically arranged on the upper part of the movable frame, and casters are fixedly installed at the bottom of the movable frame.

[0006] Furthermore, the left support frame is vertically welded to the center of the channel steel on the left side of the movable frame. The left support frame is composed of two equilateral angle steels, and a fixing rib plate is connected to the center of the vertical sidewall of the two equilateral angle steels. A fixing chain connecting rod is welded to the center of the fixing rib plate. The right support frame has the same structure as the left support frame, and its position is symmetrical to the left support frame along the centroid of the device.

[0007] Furthermore, the top of the left and right support frames is provided with reaction supports, which are square frames welded from channel steel. A square plate is welded to the center of the bottom of the frame, and the square plate has a lifting point.

[0008] Furthermore, an upper hook is suspended from the lifting point on the reaction support, and the upper hook is connected to the lifting node. The lifting node is a pulley block structure, and a control wrench is provided on the side of the lifting node. A lower hook for connecting the lifting frame is provided at the end of the chain hoist away from the lifting node.

[0009] Furthermore, the movable frame includes longitudinally distributed left and right channel steels, transversely distributed front and rear channel steels, and longitudinally distributed movable frame connecting channel steels; there are two left and two right channel steels, and two front and two rear channel steels, with the sides of the front and rear channel steels fixedly welded to the lower planes of the left and right channel steels; the movable frame connecting channel steels consist of two pieces, welded alternately between the front and rear channel steels, forming three interval sections on the front and rear channel steels.

[0010] Furthermore, the shelf includes a left lifting support frame and a right lifting support frame. The left lifting support frame is composed of two channel steels and is slidably disposed inside the left support frame. A connecting channel steel is provided at the lower part of the left lifting support frame, and a lifting chain connecting rod for lifting is welded at the centroid of the connecting channel steel. The right lifting support frame has the same structure as the left lifting support frame, and its position is symmetrical to that of the left lifting support frame along the centroid of the device. A lifting plate is provided on the upper part of the left and right lifting support frames. The lifting plate is located on top of the reaction support. The lifting plate is made of square steel plate and has edges extending outward from the sides of the reaction support. Square slots for connecting a shelf are provided at the edges of the lifting plate. The shelf has the same structure as the lifting plate and is stacked on top of the lifting plate. A handle plate for fixing the structure is provided in the square slots on the shelf. Bolts pass through the square slots on the lifting plate and the shelf and are locked to the handle plate so that the handle plate is installed on the shelf and can slide along the square slots on the shelf and the lifting plate.

[0011] Furthermore, the lifting frame includes a left lifting support frame, a right lifting support frame, and a lifting plate. The left lifting support frame is a T-shaped steel vertically installed inside the left lifting support frame. The right lifting support frame has the same structure as the left lifting support frame, and its position is symmetrical to that of the left lifting support frame along the centroid of the device. The lifting plate is welded and fixed to the left and right lifting support frames on both sides, respectively. A circular through hole for placing the lower hook is opened at the centroid of the center of the lifting plate. A lifting top plate is provided on the upper part of the left and right lifting support frames. The lifting top plate is located between the reaction support and the lifting plate, and it is a square steel plate welded to the top of the left and right lifting support frames.

[0012] Furthermore, the left and right lifting support frames are respectively provided with fixed pulleys on their sides, and sliding chains are wound around the fixed pulleys. The two ends of the sliding chains are respectively fixedly connected to the fixed chain connecting rod and the lifting chain connecting rod. The chain hoist and the sliding chain of the device are both sprayed with anti-corrosion paint.

[0013] A method for operating a movable chain hoist lifting installation platform, used in a movable chain hoist lifting installation platform device, includes the following steps: Step 1: Before construction, move the device to the designated location, place the construction components on the shelf of the shelf, and use the handle plate to fix the components on the shelf. Step 2: After the components are fixed, use the swing control wrench to move the shelf and lifting frame upwards to lift the components to the appropriate construction position; Step 3: Install and construct the components. After the work is completed, remove the components and swing the control wrench to move the shelf and lifting frame downwards, and then pull out the entire device to work on the next component.

[0014] The beneficial effects of this invention are: The present invention proposes a movable chain hoisting installation platform device and method. The main body of the device is manufactured by welding standardized profiles and plates. It does not require electric drive, is simple to manufacture, and has a low cost. It can be widely applied to actual production line work.

[0015] The present invention proposes a movable chain hoisting and lifting installation platform device and method, in which the universal wheels at the bottom of the device can drive the entire device to move, realizing the change of the device position as needed, and the device as a whole is flexible and easy to operate.

[0016] The present invention proposes a movable chain hoisting and lifting installation platform device and method. The device can achieve lifting and lowering of the device by swinging a control wrench, so as to adapt to the actual needs of on-site work and improve work efficiency.

[0017] The present invention proposes a movable chain hoisting and lifting installation platform device and method. The device as a whole adopts a simple mechanical structure assembly integration, which is less restricted by external conditions such as power and has a wide range of applications. Attached Figure Description

[0018] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0019] Figure 1 This is a schematic diagram of the overall structure of the present invention; Figure 2 This is a schematic diagram of the main support structure of the present invention; Figure 3 This is a schematic diagram of the structure of the storage rack of the present invention; Figure 4 This is a schematic diagram of the lifting frame of the present invention; Figure 5 This is a schematic diagram of the lifting component of the device of the present invention.

[0020] Explanation of the labels in the diagram: 1. Main support frame; 2. Shelf; 3. Lifting frame; 4. Sliding chain; 5. Components; 101. Movable frame; 102. Left support frame; 103. Right support frame; 104. Reaction support; 105. Upper hook; 106. Lifting node; 107. Chain hoist; 108. Control wrench; 109. Lower hook; 110. Casters; 111. Fixed chain connecting rod; 112. Lifting point; 201. Left lifting support frame; 202. Right lifting support frame; 203. Lifting plate; 204. Connecting channel steel; 205. Lifting chain connecting rod; 206. Shelf; 207. Knife handle plate; 301. Left lifting support frame; 302. Right lifting support frame; 303. Lifting plate; 304. Lifting top plate; 305. Fixed pulley. Detailed Implementation

[0021] The present invention will be further described below with reference to specific embodiments. The illustrative embodiments and descriptions herein are used to explain the present invention, but are not intended to limit the present invention.

[0022] Reference Figures 1-4 As shown, this invention discloses a movable chain hoist lifting and installation platform device, including a main support 1, a shelf 2 and a lifting frame 3 slidably mounted on the main support 1. (Refer to...) Figure 2 As shown, the main support 1 includes a movable frame 101 and a left support frame 102 and a right support frame 103 symmetrically arranged on the upper part of the movable frame 101. The movable frame 101 is welded from six channel steels, and universal wheels 110 are fixedly installed at the bottom of the movable frame 101. The left support frame 102 is vertically welded to the center of the left channel steel of the movable frame 101. The left support frame 102 is preferably composed of two equilateral angle steels with a longitudinal spacing of 500mm. The equilateral angle steels are preferably 1.2m long. A fixing rib plate is connected to the center of the vertical sidewall of the two equilateral angle steels, and a fixing chain connecting rod 111 is welded to the center of the fixing rib plate. The right support frame 103 has the same structure as the left support frame 102, and its position is symmetrical to the left support frame 102 along the centroid of the device.

[0023] Furthermore, a reaction support 104 is provided at the top of the left support frame 102 and the right support frame 103. The reaction support 104 is a square frame welded from channel steel, with a square plate welded to the center of the bottom of the frame. The square plate has a lifting point 112, and the entire frame is placed on top of the left support frame 102 and the right support frame 103. An upper hook 105 is suspended from the lifting point 112 on the reaction support 104, and the upper hook 105 is connected to the lifting node 106. The lifting node 106 is a pulley block structure with a chain hoist 107 suspended from it. A control wrench 108 is provided at the centroid position on the right side of the lifting node 106; a lower hook 109 for connecting the lifting frame 3 is provided at the end of the chain hoist 107 away from the lifting node 106.

[0024] Reference Figure 3 As shown, the shelf 2 includes a left lifting support frame 201 and a right lifting support frame 202. The left lifting support frame 201 is preferably composed of two channel steels with a longitudinal spacing of 498mm, slidably disposed inside the left support frame 102. The lower part of the left lifting support frame 201 is connected by a connecting channel steel 204, and a lifting chain connecting rod 205 for lifting is welded at the centroid of the connecting channel steel 204. The right lifting support frame 202 has the same structural form as the left lifting support frame 201, and its position is symmetrical to that of the left lifting support frame 201 along the centroid of the device, preferably with an interval of 900mm. A lifting plate 203 is provided on the upper part of the left lifting support frame 201 and the right lifting support frame 202. The lifting plate 203 is located on the upper part of the reaction support 104. The lifting plate 203 is made of square steel plate, and has edges extending 25-35cm outward from the side of the reaction support 104. The distance between the edges is preferably 30cm. Square slots for connecting the storage plate 206 are provided on the edges of the lifting plate 203. The storage plate 206 has the same structure as the lifting plate 203 and is stacked on top of the lifting plate 203. The square slot on the shelf 206 is provided with a handle plate 207 for fixing the structure for welding. After the bolt passes through the square slot on the lifting plate 203 and the shelf 206, it is locked onto the handle plate 207, so that the handle plate 207 is installed on the shelf 206 and can slide along the square slot on the shelf 206 and the lifting plate 203.

[0025] Reference Figure 4As shown, the lifting frame 3 includes a left lifting support frame 301, a right lifting support frame 302, and a lifting plate 303. The left lifting support frame 301 is a T-shaped steel vertically installed inside the left lifting support frame 201, preferably with a length of 1.2m. The right lifting support frame 302 has the same structure as the left lifting support frame 301, and the right lifting support frame 302 is symmetrically arranged with the left lifting support frame 301 along the centroid of the device, preferably with an interval of 700mm. The lifting plate 303 is a steel plate with a preferred thickness of 6mm and a preferred height of 10cm, and is welded and fixed to the left lifting support frame 301 and the right lifting support frame 302 on both sides respectively. A circular through hole for placing the lower hook 109 is opened at the centroid of the center of the lifting plate 303. A lifting top plate 304 is provided on the upper part of the left lifting support frame 301 and the right lifting support frame 302. The lifting top plate 304 is located between the reaction support 104 and the lifting plate 203. The lifting top plate 304 is a square steel plate welded to the top of the left lifting support frame 301 and the right lifting support frame 302 to form a steel frame. Fixed pulleys 305 are respectively provided at a height of 1m on the side of the left lifting support frame 301 and the right lifting support frame 302. A sliding chain 4 is wound around the fixed pulley 305. The two ends of the sliding chain 4 are fixedly connected to the fixed chain connecting rod 111 and the lifting chain connecting rod 205, respectively. Moreover, the chain hoist 107 and the sliding chain 4 of the device are coated with anti-corrosion paint.

[0026] Specifically, the movable frame 101 comprises six channel steels, including longitudinally distributed left and right channel steels, laterally distributed front and rear channel steels, and longitudinally distributed movable frame connecting channel steels. There is one left and one right channel steel, preferably 1.5m long and 1.5m apart; there is one front and one rear channel steel, preferably 1.5m long and 0.4m apart. The two sides of the front and rear channel steels are fixedly welded to the lower planes of the left and right channel steels. Two movable frame connecting channel steels are welded alternately between the front and rear channel steels, forming three intervals on the front and rear channel steels. The preferred intervals between these intervals are 60cm, 90cm, and 60cm.

[0027] The preferred type of channel steel used in the main support 1 is No. 10, and the preferred type of equilateral angle steel is No. 10; the preferred type of channel steel used in the shelf 2 is No. 10; and the preferred type of T-shaped steel used in the lifting frame 3 is 50*50*6mm.

[0028] Furthermore, any aspects not detailed in this invention are well-known to those skilled in the art.

[0029] The movable chain hoisting and lifting installation platform proposed in this invention is manufactured using standardized profiles and sheet metal welded together. It requires no electricity, is simple to manufacture, and has a low cost, making it widely applicable to actual production line work. The universal wheels at the bottom of the device allow for overall movement, enabling repositioning as needed, making the device flexible and easy to operate. The device can be raised and lowered using a swing control wrench to adapt to actual on-site needs and improve work efficiency. The device adopts a simple mechanical structure and is assembled in an integrated manner, with fewer limitations from external conditions such as electricity, making it suitable for a wide range of applications.

[0030] This invention enables the installation and welding of heavy objects in space-constrained conditions, solves the problem of worker fatigue during long-term side-lying welding in actual production, improves construction efficiency, and has positive application value and practical economic benefits for steel transportation and construction production in the manufacturing industry.

[0031] The present invention also provides a working method for a movable chain hoist lifting and installation platform, which is used in a movable chain hoist lifting and installation platform device. The method includes the following steps: Step 1: Before construction, move the device to the designated location, place the construction component 5 on the shelf 206 of the shelf 2, and use the handle plate 207 to fix the component 5 on the shelf 206. Step Two: As Figure 5 As shown, after component 5 is fixed, the swing control wrench 108 moves the shelf 2 and the lifting frame 3 upward to lift component 5 to a reasonable construction position; Step 3: Install and construct component 5. After the work is completed, remove component 5 and swing the control wrench 108 to move the shelf 2 and lifting frame 3 downwards, and then pull out the entire device to work on the next component.

[0032] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention in any way. Any simple modifications, equivalent changes, and alterations made to the above embodiments based on the technical essence of the present invention shall still fall within the scope of the technical solution of the present invention.

Claims

1. A movable chain hoist lifting installation platform device, comprising a main support (1), a shelf (2), and a lifting frame (3), characterized in that, The shelf (2) is slidably mounted on the main support (1). The lifting frame (3) is mounted inside the shelf (2) and drives the shelf (2) to move longitudinally. A lifting node (106) that drives the lifting frame (3) to move longitudinally is connected to the upper part of the main support (1). A chain hoist (107) is suspended on the lifting node (106). The end of the chain hoist (107) away from the lifting node (106) is connected to the bottom of the lifting frame (3). A shelf plate (206) is provided on the upper part of the shelf (2) after passing through the top of the main support (1). A knife handle plate (207) with a fixed structure is provided on the shelf plate (206).

2. The movable chain hoisting and lifting installation platform device according to claim 1, characterized in that, The main support (1) includes a movable frame (101) and a left support frame (102) and a right support frame (103) symmetrically arranged on the upper part of the movable frame (101). The bottom of the movable frame (101) is fixedly equipped with casters (110).

3. The movable chain hoisting and lifting installation platform device according to claim 2, characterized in that, The left support frame (102) is vertically welded to the center of the channel steel on the left side of the movable frame (101). The left support frame (102) is composed of two equilateral angle steels. A fixing rib plate is connected to the center of the vertical side wall of the two equilateral angle steels. A fixing chain connecting rod (111) is welded to the center of the fixing rib plate. The right support frame (103) has the same structure as the left support frame (102) and is set symmetrically with the left support frame (102) along the centroid of the device.

4. The movable chain hoisting and lifting installation platform device according to claim 3, characterized in that, The left support frame (102) and the right support frame (103) are provided with a reaction support (104) at the top. The reaction support (104) is a square frame welded from channel steel. A square plate is welded at the center of the bottom of the frame. The square plate has a lifting point (112).

5. The movable chain hoisting and lifting installation platform device according to claim 4, characterized in that, The upper hook (105) is suspended on the lifting point (112) on the reaction support (104). The upper hook (105) is connected to the lifting node (106). The lifting node (106) is a pulley block structure. A control wrench (108) is provided on the side of the lifting node (106). The end of the chain hoist (107) away from the lifting node (106) is provided with a lower hook (109) for connecting the lifting frame (3).

6. The movable chain hoisting and lifting installation platform device according to claim 2, characterized in that, The movable frame (101) includes longitudinally distributed left and right channel steels, transversely distributed front and rear channel steels, and longitudinally distributed movable frame connecting channel steels; there is one left and one right channel steel, one front and one rear channel steel, and the two sides of the front and rear channel steels are fixedly welded to the lower plane of the left and right channel steels; there are two movable frame connecting channel steels, which are welded alternately between the front and rear channel steels, so that three interval sections are formed on the front and rear channel steels.

7. The movable chain hoisting and lifting installation platform device according to claim 5, characterized in that, The shelf (2) includes a left lifting support frame (201) and a right lifting support frame (202). The left lifting support frame (201) is composed of two channel steels and is slidably disposed inside the left support frame (102). A connecting channel steel (204) is provided at the lower part of the left lifting support frame (201). A lifting chain connecting rod (205) for lifting is welded at the centroid of the connecting channel steel (204). The right lifting support frame (202) has the same structure as the left lifting support frame (201). The right lifting support frame (202) is symmetrically arranged with the left lifting support frame (201) along the centroid of the device. A lifting plate (203) is provided on the upper part of the left lifting support frame (201) and the right lifting support frame (202). Located on the upper part of the reaction support (104), the lifting plate (203) is made of square steel plate. The lifting plate (203) has edges extending outward along the side of the reaction support (104). The edge of the lifting plate (203) is provided with square holes for connecting the shelf (206). The shelf (206) has the same structure as the lifting plate (203) and is stacked on the lifting plate (203). The shelf (206) is provided with a knife handle plate (207) for fixing the structure on the square holes. After the bolt passes through the square holes on the lifting plate (203) and the shelf (206), it is locked on the knife handle plate (207) so that the knife handle plate (207) is installed on the shelf (206) and can slide along the square holes of the shelf (206) and the lifting plate (203).

8. The movable chain hoisting and lifting installation platform device according to claim 7, characterized in that, The lifting frame (3) includes a left lifting support frame (301), a right lifting support frame (302), and a lifting plate (303). The left lifting support frame (301) is a T-shaped steel vertically installed inside the left lifting support frame (201). The right lifting support frame (302) has the same structural form as the left lifting support frame (301). The right lifting support frame (302) is symmetrically positioned with the left lifting support frame (301) along the centroid of the device. The lifting plate (303) is connected to the left lifting support frame (301) on both sides. The left lifting support frame (301) and the right lifting support frame (302) are welded and fixed. A circular through hole for placing the lower hook (109) is opened at the centroid position of the middle part of the lifting plate (303). The left lifting support frame (301) and the right lifting support frame (302) are provided with a lifting top plate (304). The lifting top plate (304) is located between the reaction support (104) and the lifting plate (203). The lifting top plate (304) is a square steel plate welded to the top of the left lifting support frame (301) and the right lifting support frame (302).

9. The movable chain hoisting and lifting installation platform device according to claim 8, characterized in that, The left lifting support frame (301) and the right lifting support frame (302) are respectively provided with fixed pulleys (305), and a sliding chain (4) is wound around the fixed pulley (305). The two ends of the sliding chain (4) are fixedly connected to the fixed chain connecting rod (111) and the lifting chain connecting rod (205) respectively. The chain hoist (107) and the sliding chain (4) are both sprayed with anti-corrosion paint.

10. A method for operating a movable chain hoist lifting installation platform, used in the movable chain hoist lifting installation platform device of claim 9, characterized in that, Includes the following steps: Step 1: Before construction, move the device to the designated location, place the construction components on the shelf of the shelf, and use the handle plate to fix the components on the shelf. Step 2: After the components are fixed, use the swing control wrench to move the shelf and lifting frame upwards to lift the components to the appropriate construction position; Step 3: Install and construct the components. After the work is completed, remove the components and swing the control wrench to move the shelf and lifting frame downwards, and then pull out the entire device to work on the next component.

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