Angle-adjustable lifting appliance for cold box
By designing an adjustable angle spreader for cold boxes, the supplementary problems caused by pearlescent sand precipitation during the installation of the air-separated cold boxes are solved, and efficient and precise lifting and handling are achieved, reducing costs and physical energy consumption.
Patent Information
- Application Number
- CN202422188792.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-06
- Publication Date
- 2025-06-27
- Estimated Expiration
- 2034-09-06
AI Technical Summary
During the installation of the air-separated cold box, pearlescent sand will precipitate during the lifting and handling process, resulting in insufficient pearlescent sand in the cold box and needs to be replenished again. The cost of using a crane or manual handling is high and the physical consumption is high.
An adjustable angle spreader for cold boxes is designed, including base, upright, crossbar and hoisting ring, which is connected by a removable flange, allowing the crossbar to rotate and adjust, ensuring that the cargo can be accurately hoisted to the designated position.
This spreader can improve construction efficiency, reduce workers' physical energy consumption, ensure accurate lifting of goods, and reduce the risk of accidents during construction.
Smart Images
Figure CN223032807U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of lifting and handling equipment, and particularly relates to a sling for adjusting the angle of a cold box. Background Art
[0002] After the installation of the air separation cold box is completed, a large amount of perlite needs to be filled into the cold box. Since the cold box is located at a relatively high position, a crane is generally used to lift the perlite to the top of the cold box and then manually pour it into the cold box. However, during the lifting and handling process, the perlite will slowly settle and become compact, resulting in the amount of perlite in the cold box being less than the standard value. Therefore, a small amount of perlite needs to be supplemented again. Since the perlite is relatively light, the cost of using a crane to lift and handle a small amount of perlite is relatively high, and the physical consumption of manual handling is relatively large.
[0003] Therefore, there is an urgent need for a sling that can be installed on the cold box and safely lift and handle a small amount of goods. Summary of the Utility Model
[0004] The purpose of the utility model is to solve the deficiencies in the prior art and provide a sling for adjusting the angle of a cold box.
[0005] The specific technical solution adopted by the utility model is as follows:
[0006] The utility model provides a sling for adjusting the angle of a cold box, which includes a base, a first vertical rod, a second vertical rod, a cross bar and a lifting ring;
[0007] The bottom of the base is used for fixedly connecting with the top panel of the cold box; the first vertical rod is fixedly connected above the base, and the second vertical rod is arranged above the first vertical rod; a detachable connection is formed between the first vertical rod and the second vertical rod through a first flange and a second flange; the cross bar is vertically fixed at one end of the second vertical rod far from the first vertical rod, and the cross bar extends outward from the second vertical rod;
[0008] A plurality of connection holes are uniformly formed along the circumferences of the first flange and the second flange; the first flange and the second flange are coaxially arranged and can be rotatably matched with each other, so that the cross bar can rotate around the second vertical rod; by passing a connecting piece through the corresponding connection holes on the first flange and the second flange, the relative position of the cross bar and the top panel of the cold box below the base is adjusted; a lifting ring for lifting heavy objects is fixed at one end of the cross bar far from the second vertical rod.
[0009] Preferably, the bottom of the base is fixedly connected to the top panel of the cold box by welding; the cross bar is fixedly connected to the upper end of the second vertical rod by welding.
[0010] Preferably, a diagonal brace for supporting is arranged between the cross bar and the second vertical rod; the diagonal brace is made of a round steel pipe or a square steel pipe.
[0011] Preferably, the cross bar is made of round steel pipe or square steel pipe.
[0012] Preferably, the lifting ring is made of U-shaped round steel, and the U-shaped round steel is fixed at one end of the cross bar far from the second vertical rod by welding.
[0013] Preferably, 6 connecting holes are evenly arranged along the circumferential direction on the first flange, and the included angle between each connecting hole is 60°.
[0014] Preferably, 12 connecting holes are evenly arranged along the circumferential direction on the second flange, and the included angle between each connecting hole is 30°.
[0015] Preferably, the first flange and the second flange are connected by bolts.
[0016] Preferably, a handle for easy movement is welded on the second vertical rod.
[0017] Preferably, sealing plates are fixed at the top ends of the second vertical rod and the cross bar to prevent condensed water from entering and corroding the steel pipe.
[0018] Compared with the prior art, the utility model has the following beneficial effects:
[0019] The lifting tool provided by the utility model can help workers easily complete the lifting and handling work, greatly improve the construction efficiency, and reduce the physical consumption of workers. The vertical rod part of the lifting tool can change the relative position between the lifting ring on the cross bar and the top panel of the cold box through the flange, so that the goods can be accurately lifted to the designated position, ensuring the quality and precision of the construction. A support rod is arranged between the cross bar and the vertical rod, and the three form a triangular structure, making the lifting tool more stable when lifting goods and effectively avoiding accidents during construction. Description of the Drawings
[0020] Figure 1 It is a schematic diagram of the overall lifting tool with adjustable angle for the cold box provided in this embodiment;
[0021] Figure 2 It is a schematic diagram of the connection between the lifting tool with adjustable angle for the cold box provided in this embodiment and the cold box;
[0022] Figure 3 It is a schematic diagram of the first flange provided in this embodiment;
[0023] Figure 4 It is a schematic diagram of the second flange provided in this embodiment;
[0024] In the figure: base 1, first vertical rod 2, second vertical rod 3, cross bar 4, diagonal brace 5, lifting ring 6, limit plate 7, first flange 8, second flange 9, handle 10. Detailed Description of the Invention
[0025] The present utility model will be further described and explained below in conjunction with the accompanying drawings and specific embodiments. Many specific details are set forth in the following description in order to fully understand the present utility model. However, the present utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without departing from the connotation of the present utility model. Therefore, the present utility model is not limited by the specific embodiments disclosed below. The technical features in each embodiment of the present utility model can be combined correspondingly without conflict.
[0026] In the description of the present utility model, it should be understood that the terms "first" and "second" are only used for the purpose of distinguishing descriptions, and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include at least one of such features.
[0027] As Figure 1 shown, as a preference for the specific embodiment of the present utility model, this embodiment provides a spreader for an adjustable angle of a cold box. The spreader includes a base 1, a first vertical rod 2, a second vertical rod 3, a cross bar 4, and a lifting ring 6. The base 1 in this embodiment is fixedly connected to the top panel of the cold box. Specifically, the base 1 and the top panel of the cold box can be connected by welding to increase the firmness. In other embodiments, the base 1 of the spreader can also be fixed on the top panel of the cold box by means of bolt connection or the like.
[0028] In the device provided by the present utility model, a first vertical rod 2 is fixedly connected to the base 1, and usually, welding can be used for fixation. A second vertical rod 3 is arranged above the first vertical rod 2. A detachable connection mode is formed between the first vertical rod 2 and the second vertical rod 3 through a first flange 8 and a second flange 9. A plurality of connection holes are evenly formed along the circumferential direction on the first flange 8 and the second flange 9; the first flange 8 and the second flange 9 are coaxially arranged and can be rotationally matched with each other, so that the cross bar 4 can rotate with the second vertical rod 3 as the axis. In this embodiment, the first vertical rod 2 and the second vertical rod 3 are made of round steel pipes.
[0029] The first flange 8 provided in this embodiment is as Figure 3 shown, and the second flange 9 is as Figure 4 shown. Six connection holes are evenly formed along the circumferential direction on the first flange 8, and the included angle between every two connection holes is 60°; twelve connection holes are evenly formed along the circumferential direction on the second flange 9, and the included angle between every two connection holes is 30°. Those skilled in the art can select flanges with different numbers of connection holes according to the actual situation.
[0030] In this embodiment, the first flange 8 is fixedly welded to the bottom of the second vertical rod 3, and the second flange 9 is fixedly welded to the top of the first vertical rod 2. The first vertical rod 2 and the second vertical rod 3 are fixedly connected by passing a bolt connector through the corresponding connection holes on the first flange 8 and the second flange 9. It should be noted that in order to improve the connection stability between the first vertical rod 2 and the second vertical rod 3, the diameter of the second vertical rod 3 can be set slightly smaller than that of the first vertical rod 2, and the second vertical rod 3 is inserted into the top of the first vertical rod 2. If the insertion method is selected, the first flange 8 needs to be sleeved and welded around the second vertical rod 3.
[0031] When the spreader needs to adjust the relative position between the crossbar 4 and the cold box, the relative position of the first flange 8 and the second flange 9 can be adjusted by loosening the bolts to realize the rotation of the spreader. As Figure 2 shown, the included angle between the crossbar 4 of the spreader and the top panel of the cold box is 45°. Those skilled in the art can adjust the relative position between the crossbar on the spreader and the top panel of the bottom cold box according to the actual situation. A handle 10 for facilitating the rotation of the second vertical rod 3 is also welded on the second vertical rod 3.
[0032] As Figure 1 shown, in the device provided by the present utility model, a crossbar 4 is provided at one end of the second vertical rod 3 away from the first vertical rod 2. One end of the crossbar 4 is perpendicularly welded to the second vertical rod 3, and a lifting ring 6 is welded to the other end of the crossbar 4. The lifting ring 6 generally uses a U-shaped round steel. When it is necessary to lift a heavy object, the lifting is realized by a sliding rope passing through the U-shaped round steel.
[0033] In order to improve the stability and reliability of the spreader and avoid accidents during the lifting process due to the weight of the lifted object exceeding the load-bearing capacity of the crossbar 4, in this embodiment, a diagonal brace 5 for supporting is provided between the crossbar 4 and the second vertical rod 3. The diagonal brace 5 can use round steel pipes, square steel pipes or other steel materials and is fixed between the crossbar 4 and the second vertical rod 3 by welding.
[0034] Since the steel pipes used in this embodiment are hollow inside and this spreader is generally used near the cold box, in order to prevent condensed water from entering the inside of the steel pipes and corroding the steel pipes, sealing plates 7 are welded to the non-welded ends of the second vertical rod 3 and the crossbar 4.
[0035] During the actual use process, the second vertical rod 3 is driven to rotate by the handle 10, thereby driving the first flange 8 and the crossbar 4 to rotate, and adjusting the position of the first flange 8 relative to the second flange 9. Since the included angle between the connection holes on the second flange 9 is 30°, the minimum angle that the crossbar 4 can rotate each time is 30°. After the angle adjustment is completed, the bolts are tightened to achieve the fixing effect.
[0036] The above-described embodiments are only a preferred solution of the present utility model, but they are not intended to limit the present utility model. Those of ordinary skill in the relevant technical field can still make various changes and modifications without departing from the spirit and scope of the present utility model. Therefore, all technical solutions obtained by means of equivalent replacement or equivalent transformation fall within the protection scope of the present utility model.
Claims
1. A sling with adjustable angle for cold box, characterized in that: The sling comprises a base (1), a first vertical pole (2), a second vertical pole (3), a cross bar (4) and a lifting ring (6); The bottom of the base (1) is used for fixed connection with the top panel of the cold box; the top of the base (1) is fixedly connected with the first vertical pole (2), and the second vertical pole (3) is arranged above the first vertical pole (2); the first vertical pole (2) and the second vertical pole (3) are detachably connected via a first flange (8) and a second flange (9); the cross bar (4) is vertically fixed on the second vertical pole (3) at one end away from the first vertical pole (2), and the cross bar (4) extends outward from the second vertical pole (3); A plurality of connecting holes are evenly arranged on the first flange (8) and the second flange (9) along the circumferential direction; the first flange (8) and the second flange (9) are coaxially arranged and can be rotatably matched with each other, so that the cross bar (4) can rotate around the second vertical bar (3); the relative position of the cross bar (4) and the top panel of the cold box below the base (1) is adjusted by passing the connecting piece through the corresponding connecting holes on the first flange (8) and the second flange (9); a lifting ring (6) for lifting heavy objects is fixed on one end of the cross bar (4) away from the second vertical bar (3).
2. The angle-adjustable hanger for cold boxes according to claim 1, characterized in that: The bottom of the base (1) is fixed to the top panel of the cold box by welding; the cross bar (4) is fixed to the upper end of the second vertical bar (3) by welding.
3. The angle-adjustable hanger for cold boxes according to claim 1, characterized in that: An oblique brace (5) is arranged between the cross bar (4) and the second vertical bar (3) to play a supporting role; the oblique brace (5) is made of a round steel pipe or a square steel pipe.
4. The angle-adjustable hanger for cold boxes according to claim 1, characterized in that: The cross bar (4) is made of a round steel tube or a square steel tube.
5. The angle-adjustable hanger for cold boxes according to claim 1, characterized in that: The lifting ring (6) is made of U-shaped round steel, and the U-shaped round steel is fixed to the end of the cross bar (4) away from the second vertical bar (3) by welding.
6. The angle-adjustable hanger for cold boxes according to claim 1, characterized in that: Six connection holes are evenly arranged on the first flange (8) along the circumferential direction, and the angle of each connection hole is 60°.
7. The angle-adjustable hanger for cold boxes according to claim 1, characterized in that: The second flange (9) is evenly provided with 12 connection holes along the circumferential direction, and the angle of each connection hole is 30°.
8. The angle-adjustable hanger for cold boxes according to claim 1, characterized in that: The first flange (8) and the second flange (9) are connected by bolts.
9. The angle-adjustable hanger for a cold box according to claim 1, characterized in that: A handle (10) for easy movement is welded on the second upright pole (3).
10. The angle-adjustable hanger for cold boxes according to claim 1, characterized in that: Sealing plates (7) are fixed to the top ends of the second vertical pole (3) and the horizontal pole (4) to prevent condensed water from entering and corroding the steel pipe.