A large-diameter valve mounting support device

Abstract

The present application belongs to the technical field of valve assembly, and particularly relates to a large-diameter valve installation support device. The device is designed as a detachable structure, and a main frame is welded from a national standard type steel, with support ribs arranged around, a safety handrail opened on a side to realize bidirectional climbing, and a patterned steel bottom plate laid on a platform. A support base is welded to a lower bottom plate, and through a cooperation structure with an outer clamp, positioning and clamping of a valve passage are solved. Through a bidirectional tensioning structure of an adjustable inclined pull support and a connecting sleeve, valve tensioning and support integration are realized. The device has the following remarkable effects: light weight and practicality; convenient on-site flexible operation; improved assembly and disassembly efficiency; simple operation, safety and reliability; ensured 360-degree fixation and clamping of a valve passage; reliable welding, safe and anti-skid under a large load; large space, meeting multi-person operation.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of valve assembly, and particularly relates to a large-diameter valve installation support device. BACKGROUND

[0002] Assembly is the last stage in the valve manufacturing process, and the assembly work has a great influence on product quality. Even if the design is correct and the parts are manufactured qualified, if the assembly is improper, the valve cannot meet the specified requirements. In the installation of conventional caliber valves, a simple placement rack or pump table clamping method is usually used to fix the valve. However, for large-diameter valves, due to their large size and heavy weight, the installation will face great installation difficulty, especially in the key technologies of hoisting, fixing and supporting. If the installation position of the parts is improper or the structure is unstable, it will directly affect the assembly progress and test efficiency of the valve, and even cause quality and safety accidents. Therefore, how to break through the original installation technical barriers, innovate the large-diameter valve installation process, and adopt a more reliable and safe fixing and supporting method is an important problem faced by the installation of large-diameter valves at present. SUMMARY

[0003] The present application provides a large-diameter valve installation support device to overcome the defects of the prior art.

[0004] The present application is implemented as follows: a large-diameter valve installation support device, comprising a supporting leg, a bottom plate, a tensioning base, a nut, a connecting bolt, a lower inclined support, a frame inner support, a connecting sleeve, a one-layer platform, an upper inclined support, a frame outer support, a connecting rod, a fixing nut, a staircase, a two-layer platform, a reinforcing rib, a large guardrail, a U-shaped guardrail, an outer clamp, a supporting base, a rib plate, and a fixing bolt, wherein the whole workpiece is designed as a detachable structure, the main frame is welded from a national standard type steel, supporting ribs are arranged around the main frame, a safety staircase is formed on the side surface to realize two-way climbing, and a patterned steel bottom plate is laid on the platform; the supporting base is welded to the lower bottom plate, and the cooperation structure with the outer clamp solves the problems of valve passage positioning and clamping; the two-way tensioning structure of the adjustable inclined support and the connecting sleeve realizes the integration of valve tensioning and supporting.

[0005] The large-diameter valve installation support device as described above, wherein the supporting leg, the tensioning base and the bottom plate are fixed by welding, and the height of the supporting leg meets the entering and exiting of the fork of a forklift.

[0006] The large-diameter valve installation support device as described above, wherein the lower inclined support and the tensioning base are connected and fixed by the nut and the connecting bolt.

[0007] The large-diameter valve installation support device as described above, wherein the lower inclined support and the upper inclined support are connected by the connecting sleeve, and adopt left and right screw thread rotation direction structures to realize two-way stress tensioning.

[0008] The large-diameter valve installation support device as described above, wherein the frame inner support and the bottom plate are connected by bolts.

[0009] The large-diameter valve installation support device as described above, wherein the one-layer platform, the frame outer support and the reinforcing rib are fixed by welding, can bear larger load and meet the installation operation of multiple persons, the one-layer platform is paved with a patterned steel bottom plate to reduce the risk of falling.

[0010] The large-diameter valve installation support device as described above, wherein the connecting rod, the fixing nut and the upper inclined support are connected by the nut and the connecting bolt, and the connecting rod can be fixed with the valve lug.

[0011] The large-diameter valve installation support device as described above, wherein the staircase and the one-layer platform and the two-layer platform are fixed by welding, and the two sides of the staircase are designed in an open type, and the upper part of the staircase is fixed by spot welding with the U-shaped guardrail.

[0012] The large-diameter valve installation support device as described above, wherein the two-layer platform is additionally provided with a large guardrail around, and the height conforms to the ergonomics.

[0013] The large-diameter valve installation support device as described above, wherein the one-layer platform and the two-layer platform are connected by a latch.

[0014] The large-diameter valve installation support device as described above, wherein the outer clamp and the support base are connected by fixing bolts, and the outer clamp and the support base are designed in a ring shape.

[0015] The large-diameter valve installation support device as described above, wherein the support base and the bottom plate are fixed by gas shield welding.

[0016] The significant effects of the present application are as follows: 1. The hollow steel structure is light in weight and practical; 2. The two-way climbing staircase facilitates flexible operation on site; 3. The main floor is connected by a latch to improve the installation and disassembly efficiency; 4. The support adopts a forward and reverse screw thread tensioning structure, which is simple to operate, safe and reliable; 5. The ring-shaped clamp design ensures 360° fixation and clamping of the valve passage; 6. The standing platform adopts a patterned structure, which is reliable in welding, can bear larger load and is safe and anti-skid; 7. The internal open design has a larger space and meets the operation of multiple persons. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is the front view of the large-diameter valve installation support device provided by the present application;

[0018] Figure 2 is the left view of the large-diameter valve installation support device provided by the present application;

[0019] Figure 3 is a top view of the large-diameter valve installation support device provided by the present application;

[0020] Figure 4 is a schematic view of the large-diameter valve installation support device and the valve provided by the present application;

[0021] wherein 1 is a supporting leg, 2 is a bottom plate, 3 is a tensioning base, 4 is a nut, 5 is a connecting bolt, 6 is a lower inclined support, 7 is an inner frame support, 8 is a connecting sleeve, 9 is a first layer platform, 10 is an upper inclined support, 11 is an outer frame support, 12 is a connecting rod, 13 is a fixing nut, 14 is a staircase, 15 is a second layer platform, 16 is a reinforcing rib, 17 is a large guardrail, 18 is a U-shaped guardrail, 19 is an outer clamp, 20 is a supporting base, 21 is a rib plate, and 22 is a fixing bolt. DETAILED DESCRIPTION

[0022] The present application will be further described below in combination with the drawings and examples.

[0023] The large-diameter valve installation support device provided by the present application is assembled by multiple parts, including a supporting leg 1, a large bottom plate 2, a tensioning base 3, a nut 4, a connecting bolt 5, a lower inclined support 6, an inner frame support 7, a connecting sleeve 8, a first layer platform 9, an upper inclined support 10, an outer frame support 11, a connecting rod 12, a fixing nut 13, a staircase 14, a second layer platform 15, a reinforcing rib 16, a large guardrail 17, a U-shaped guardrail 18, an outer clamp 19, a supporting base 20, a rib plate 21, and a fixing bolt 22.

[0024] 1. First, the supporting leg 1, the tensioning base 3, the supporting base 20, the rib plate 21, and the bottom plate 2 are welded and fixed, and the quality of the weld is ensured to be reliable.

[0025] 2. Then, a rubber pad is pasted on the supporting base 20, a valve body is installed, and the position of the valve passage is ensured to be accurate; then the outer clamp 19 is installed, the valve passage is fixed by the fixing bolt 22; then the lower inclined supports 6 on both sides, the connecting sleeves 8, and the upper inclined support 10 are installed in sequence, the lower ends of the inclined supports are fixed to the tensioning base 3 through the nut 4 and the connecting bolt 5, and the upper ends of the inclined supports are connected to the valve body lugs through the connecting rod 12 and the fixing nut 13, and the adjustable inclined support and the connecting sleeve adopt a right and left threaded tensioning structure, thereby realizing the integration of valve tensioning and support.

[0026] 3. The inner frame support 7, the outer frame support 11, and the first layer platform 9 are welded and then hoisted as a whole, the inner frame support 7 and the outer frame support 11 are fixed to the bottom plate through the bottom supporting legs, and whether each part is firm and reliable is checked; then the second layer platform 15 is installed, wherein the staircase 14, the reinforcing rib 16, the large guardrail 17, and the U-shaped guardrail 18 are all welded to the side surfaces of the first and second layer platforms.

[0027] 4. Finally, the valve drive is hoisted from the upper part for installation and fastening, and after completion, various tests of the valve can be performed.

[0028] The above detailed description is used to explain and illustrate the present application, but not to limit the present application, any modification and change made to the present application within the spirit and protection scope of the claims, fall into the protection scope of the present application.

Claims

1. A large-diameter valve installation support device, comprising a supporting leg (1), a base plate (2), a tensioning base (3), a nut (4), a connecting bolt (5), a lower diagonal brace (6), a frame inner support (7), a connecting sleeve (8), a first platform (9), an upper diagonal brace (10), a frame outer support (11), a connecting rod (12), a fixing nut (13), a staircase (14), a second platform (15), a reinforcing rib (16), a large guardrail (17), a U-shaped guardrail (18), an outer clamp (19), a supporting base (20), a rib plate (21), a fixing bolt (22), characterized in that: The whole device is designed as a detachable structure, the main frame is welded by national standard section steel, support ribs are arranged around, a safety ladder is arranged on the side to realize two-way climbing, and a pattern steel bottom plate is laid on the platform; a support base is welded on the lower bottom plate, through the cooperation structure with the outer clamp, the positioning and clamping problems of the valve passage are solved; through the two-way tensioning structure of the adjustable inclined support and the connecting sleeve, the valve tensioning and supporting integration is realized; The lower inclined support (6) and the upper inclined support (10) are connected through the connecting sleeve (8) and adopt left and right screw thread structure to realize two-way stress tensioning; The connecting rod (12), the fixed nut (13) and the upper inclined support (10) are connected through the nut (4) and the connecting bolt (5), wherein the connecting rod (12) can realize mounting and fixing with the valve lug; The support leg (1), the tensioning base (3) and the bottom plate (2) are fixed by welding, the height of the support leg meets the forklift fork entering and exiting; The lower inclined support (6) and the tensioning base (3) are connected and fixed through the nut (4) and the connecting bolt (5); The frame inner support (7) and the bottom plate (2) are connected by bolts; The one-layer platform (9), the frame outer support (11) and the reinforcing rib (16) are fixed by welding, can bear larger load, meet the installation and operation of multiple people, wherein the one-layer platform (9) lays a pattern steel bottom plate to reduce the risk of falling down; The ladder (14), the one-layer platform (9) and the two-layer platform (15) are fixed by welding, the ladder is designed as an open type on both sides, wherein the upper part of the ladder (14) is spot welded with the U-shaped guardrail (18); The two-layer platform (15) is provided with a large guardrail (17) around, the height meets the ergonomics; The one-layer platform (9) and the two-layer platform (15) are connected by a latch; The outer clamp (19) and the support base (20) are connected by a fixed bolt (22), wherein the outer clamp (19) and the support base (20) adopt a ring design; The support base (20) and the bottom plate (2) are fixed by gas shield welding.

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