Hydraulic ball shell plate assembly assisting device
By using a hydraulic spherical shell plate assembly auxiliary device, the spherical shell plate can be precisely adjusted using a support frame and hydraulic cylinder. This solves the problems of easy damage to traditional clamps and manual operation, improves construction efficiency and safety, and reduces costs and risks.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SINOPEC NANJING ENG & CONSTR
- Filing Date
- 2025-06-19
- Publication Date
- 2026-06-19
AI Technical Summary
Traditional gantry clamps are prone to deformation, edge curling, or breakage during the assembly of spherical shell plates, resulting in a shortened service life, increased construction costs, and difficulty in controlling the force of manual hammering, leading to frequent rework, high labor intensity, and extended construction cycle.
A hydraulic spherical shell plate assembly auxiliary device is adopted. Through components such as support frame, guide rod, adjusting rod, and hydraulic cylinder, the lateral and longitudinal fine adjustment of the spherical shell plate can be realized, simplifying the operation process and reducing the number of personnel working at height.
It improves the efficiency and quality of spherical shell plate assembly, reduces operational risks, decreases construction costs and labor intensity, and shortens the construction cycle.
Smart Images

Figure CN224373349U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to a construction device for chemical facilities, and more particularly to an auxiliary device for the construction of spherical shell plates, specifically a hydraulic spherical shell plate assembly auxiliary device. Background Technology
[0002] Currently, when assembling spherical tanks, workers first need to use a crane to transport the spherical shell plates to the installation position, and then use traditional gantry clamps to assemble adjacent spherical shells.
[0003] Gantry clamps are a type of complex adjustment clamp, such as Figure 4 As shown, the assembly includes a fixing block and an adjusting plate. The fixing block is frame-shaped with a "door"-shaped cross-section and an opening on its end face. The adjusting plate is a straight plate. There are two fixing blocks located at both ends of the adjusting plate, with their side plates connected to the side edges of the adjusting plate, so that the two fixing blocks are spaced apart and together with the adjusting plate form a gantry shape. The spherical shell plate is equipped with a square cap. The square cap is cube-shaped and has a circular positioning hole. During construction, the openings are fitted onto the square caps, and conical positioning wedges are inserted into the positioning holes of the square caps to fix the clamps to the spherical shell plate. Then, square wedges are driven into the gap between the square cap and the fixing block to adjust the assembly gap of the spherical shell plate. Alternatively, square wedges are driven between the square cap and the adjusting plate to adjust the misalignment and edge angles of the spherical shell plate assembly.
[0004] However, when using this traditional gantry clamp for assembly operations, the wedges need to be repeatedly struck, which can easily cause the wedges to deform, curl at the edges, or even break, reducing their service life and requiring frequent replacement of spare parts, thus increasing construction costs. Moreover, the force of manual striking is difficult to control precisely, which can easily lead to over- or under-adjustment, requiring multiple rework sessions, which is time-consuming and labor-intensive, increasing labor intensity and extending the construction cycle.
[0005] Therefore, improvements are urgently needed to better meet construction requirements. Utility Model Content
[0006] The purpose of this invention is to address the problems encountered in the current construction of spherical shell plate assembly by providing a hydraulic spherical shell plate assembly auxiliary device, which can simplify operation, improve construction efficiency, reduce the number of personnel working at height, and reduce operational risks.
[0007] The technical solution of this utility model is:
[0008] A hydraulic spherical shell plate assembly auxiliary device includes,
[0009] The support frame is a rectangular box shape with open front and back sides and a broken bottom plate in the middle. The bottom plate has a through-hole square cap slot, which can be movably fitted onto a square cap on the spherical shell plate.
[0010] The guide rod is straight and is installed inside the support frame, with its two ends connected to the two side plates of the support frame;
[0011] The adjusting rod is a straight rod with threads, installed inside the support frame, and its two ends are movably connected to the two side plates of the support frame; the adjusting rod is parallel to the guide rod.
[0012] The first hydraulic cylinder is connected to the guide rod and the adjusting rod via a connecting plate, and its stroke rod points towards the square cap slot; and
[0013] The second hydraulic cylinder is installed on one side plate of the support frame and is opposite to the first hydraulic cylinder. Its stroke rod is horizontal and connected to the push rod.
[0014] The push rod is T-shaped, including a horizontal bar and a vertical bar; the two ends of the horizontal bar are respectively movably sleeved on the guide rod and the adjusting rod, and the middle part is connected to the stroke rod of the second hydraulic cylinder; the lower end of the vertical bar is close to the square cap slot.
[0015] Furthermore, the top plate and the two side plates of the support frame are respectively provided with through-hole-shaped notches.
[0016] Furthermore, the top plate of the support frame is provided with two gripping holes, which are respectively located near the two sides of the support frame.
[0017] Furthermore, the adjusting rod is composed of a lead screw and a guide rod; the lead screw is adjacent to the first hydraulic cylinder; the length of the lead screw is approximately the same as the length of the guide rod.
[0018] Furthermore, the connecting plate is a strip-shaped block, with one end movably connected to the guide rod through a connecting hole, and the other end screwed to the adjusting rod through a screw hole on it, and its bottom surface connected to the first hydraulic cylinder.
[0019] Furthermore, it also includes counternuts, screwed onto the lead screw and located on both sides of the fixing block, which can be screwed onto the connecting plate to restrict the movement of the connecting plate.
[0020] Furthermore, it also includes a limiting ring, which is circular in shape and has a fixing screw on its outer wall, so that it can be sleeved and fixed on the lead screw; there are two limiting rings, which are set on the outside of the opposing nuts.
[0021] Furthermore, the vertical rod is wedge-shaped, wider at the top and narrower at the bottom.
[0022] The beneficial effects of this utility model are:
[0023] The utility model is reasonably designed, simple in structure, and easy to use. By embedding the square cap on the spherical shell plate into the square cap slot of the support frame, and then through the action of the stroke rod of the first hydraulic cylinder and / or the second hydraulic cylinder, the two spherical shell plates being assembled can be finely adjusted laterally and / or longitudinally, thus achieving the smooth completion of the spherical shell plate assembly. Therefore, it not only improves the efficiency and quality of spherical shell plate assembly, but also reduces the number of personnel required for high-altitude operations and lowers operational risks. Attached Figure Description
[0024] Figure 1 This is a schematic diagram of the structure of this utility model. Figure 1 .
[0025] Figure 2 This is a schematic diagram of the structure of this utility model. Figure 2 .
[0026] Figure 3 This is a schematic diagram of the application status of this utility model.
[0027] Figure 4 This is a schematic diagram of a traditional gantry clamp.
[0028] Among them, 1-support frame; 2-opposite nut; 3-first hydraulic cylinder; 4-square cap slot; 5-limiting ring; 7-grip hole; 8-connecting plate; 9-guide rod; 10-push rod; 11-adjusting rod; 12-second hydraulic cylinder; 13-square cap; 14-conical pin; 15-spherical shell plate Detailed Implementation
[0029] The present invention will be further described below with reference to the accompanying drawings and embodiments.
[0030] like Figure 1 and 2 As shown.
[0031] A hydraulic spherical shell plate assembly auxiliary device includes a support frame 1, a guide rod 9, an adjusting rod 11, a first hydraulic cylinder 3, and a second hydraulic cylinder 12.
[0032] The support frame 1 is a rectangular box shape with open front and back sides. Its base plate is broken in the middle, forming a "door"-shaped frame structure, with the ends bent inwards. The base plate has two opposing square cap slots 4. These slots are through-holes, their shape and size adapted to the square caps on the spherical shell plate, allowing them to be movably fitted onto the caps. Preferably, the top plate and side plates of the support frame 1 have through-hole-shaped notches, which reduces weight and facilitates subsequent adjustments. Simultaneously, the top plate of the support frame 1 also has two gripping holes 7 adjacent to the sides of the support frame, facilitating gripping and movement. Furthermore, these gripping holes 7 are elliptical, improving aesthetics and ease of operation.
[0033] The guide rod 9 is a straight rod and is installed inside the support frame 1. Its two ends are connected to the two side plates of the support frame 1, so that it is close to the top plate of the support frame and biased towards the rear of the support frame, which facilitates subsequent installation.
[0034] The adjusting rod 11 is a straight rod, composed of a lead screw and a smooth rod joined together. Both ends of the adjusting rod 11 are movably connected to the two side plates of the support frame 1, allowing it to rotate radially. Simultaneously, the adjusting rod 11 is parallel to the guide rod 9 for convenient subsequent operation. Preferably, the length of the lead screw is the same as or slightly longer than the length of the smooth rod.
[0035] The first hydraulic cylinder 3 is a commercially available product. It is connected to the guide rod 9 and the adjusting rod 11 via a connecting plate 8, and is located at the lead screw section of the adjusting rod 11. Its stroke rod points towards the square cap slot on one side of the support frame 1. Specifically, the connecting plate 8 is a strip-shaped block. One end of it is movably connected to the guide rod 9 through a connecting hole, and the other end is screwed to the lead screw of the adjusting rod 11 through a screw hole. Its bottom surface is connected to the first hydraulic cylinder 3. Thus, by rotating the adjusting rod, the first hydraulic cylinder can be moved along the guide rod, thereby changing the position pointed to by the stroke rod of the first hydraulic cylinder.
[0036] Furthermore, on the lead screws on both sides of the connecting plate 8, a pair of opposing nuts 2 and a limiting ring 5 are sequentially arranged from near to far. The opposing nuts 2 are arranged in pairs and screwed onto the lead screws, allowing them to be tightened onto the connecting plate from both sides to prevent the connecting plate from moving. The limiting ring 5 is annular in shape, with fixing screws on its outer wall, and can be sleeved and fixed onto the lead screws to restrict the outward movement of the opposing nuts 2, thereby improving operational efficiency.
[0037] The second hydraulic cylinder 12 is a commercially available product, installed on one side plate of the support frame 1, and opposite to the first hydraulic cylinder 3. Its stroke rod is horizontal and connected to the push rod 10. The push rod 10 is T-shaped, including a horizontal bar and a vertical bar. The two ends of the horizontal bar are respectively movably sleeved on the smooth sections of the guide rod 9 and the adjusting rod 11, allowing it to move laterally with the movement of the stroke rod of the second hydraulic cylinder 12. The lower end of the vertical bar points towards and approaches the corresponding square cap slot. Preferably, the vertical bar is wedge-shaped, wider at the top and narrower at the bottom, which increases its lateral pushing strength.
[0038] like Figure 3 As shown, the method of using this utility model is as follows:
[0039] Insert the two square cap slots at the bottom of the support frame 1 into the square caps of the spherical shell plate 15, and firmly insert the conical pin 14 into the pin hole of the square cap, so that the support frame is suspended and locked onto the spherical shell plate 15. At this time, the lower end of the push rod is close to one of the square caps.
[0040] Adjust the gap between the spherical shell plates. Activate the second hydraulic cylinder to move the push rod along the guide rod, which in turn moves the square cap of the spherical shell plate 15 horizontally, thereby causing the two adjacent spherical shell plates 15 to move relative to each other, thus expanding and shrinking the gap between the spherical shell plate assembly.
[0041] Adjusting the alignment and angles between the spherical shell plates. First, rotate the adjusting rod to move the first hydraulic cylinder along the guide rod until its stroke rod aligns with the corresponding square cap. Then, activate the first hydraulic cylinder to lower its stroke rod, pushing the corresponding square cap to move vertically, thereby adjusting the alignment and angles between adjacent spherical shell plates 15. Simultaneously, by changing the installation direction, the angles of the spherical shell plates can be adjusted for positive or negative deformation.
[0042] Therefore, this invention not only improves the efficiency and quality of spherical shell plate assembly, but also reduces the number of personnel working at heights and lowers operational risks.
[0043] The parts not covered in this utility model are the same as or can be implemented using existing technologies.
Claims
1. A hydraulic spherical shell plate assembly auxiliary device, characterized in that it comprises, The support frame is a rectangular box shape with open front and back sides and a broken bottom plate in the middle. The bottom plate has a through-hole square cap slot. The square cap slot can be movably fitted onto the square cap on the spherical shell plate. The guide rod is straight and is installed inside the support frame, with its two ends connected to the two side plates of the support frame; The adjusting rod is a straight rod with threads, installed inside the support frame, and its two ends are movably connected to the two side plates of the support frame; the adjusting rod is parallel to the guide rod. The first hydraulic cylinder is connected to the guide rod and the adjusting rod via a connecting plate, and its stroke rod points towards the square cap slot; and The second hydraulic cylinder is installed on one side plate of the support frame and is opposite to the first hydraulic cylinder. Its stroke rod is horizontal and connected to the push rod. The push rod is T-shaped and includes a horizontal bar and a vertical bar; the two ends of the horizontal bar are respectively movably sleeved on the guide rod and the adjusting rod, and the middle part is connected to the stroke rod of the second hydraulic cylinder; the lower end of the vertical bar is close to the square cap slot.
2. The hydraulic spherical shell plate assembly auxiliary device according to claim 1, characterized in that, The top plate and two side plates of the support frame are respectively provided with through-hole-shaped notches.
3. The hydraulic spherical shell plate assembly auxiliary device according to claim 1, characterized in that, The top plate of the support frame is provided with two gripping holes, which are located near the two sides of the support frame.
4. The hydraulic spherical shell plate assembly auxiliary device according to claim 1, characterized in that, The adjusting rod is composed of a lead screw and a guide rod; the lead screw is located near the first hydraulic cylinder; the length of the lead screw is approximately the same as the length of the guide rod.
5. The hydraulic spherical shell plate assembly auxiliary device according to claim 1, characterized in that, The connecting plate is a strip-shaped block. One end of it is movably connected to the guide rod through a connecting hole, and the other end is screwed to the adjusting rod through a screw hole. Its bottom surface is connected to the first hydraulic cylinder.
6. The hydraulic spherical shell plate assembly auxiliary device according to claim 4, characterized in that, It also includes counternuts, screwed onto the lead screw and located on both sides of the fixing block, which can be screwed onto the connecting plate to restrict the movement of the connecting plate.
7. The hydraulic spherical shell plate assembly auxiliary device according to claim 6, characterized in that, It also includes a limiting ring, which is circular and has a fixing screw on its outer wall, so that it can be sleeved and fixed on the lead screw; there are two limiting rings, which are set on the outside of the opposing nuts.
8. The hydraulic spherical shell plate assembly auxiliary device according to claim 1, characterized in that, The vertical rod is wedge-shaped, wider at the top and narrower at the bottom.