Portable jacking device for installing steel plate of top arch of steel cover type surge chamber
By designing a lightweight lifting device suitable for steel-shrouded pressure regulating chambers, the installation problem of steel plates of different lengths and curvatures was solved, achieving stable lifting and limiting clamping, and improving installation efficiency.
Patent Information
- Application Number
- CN202520144347.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-21
- Publication Date
- 2026-02-24
- Estimated Expiration
- 2035-01-21
AI Technical Summary
The existing steel cover type pressure regulating chamber top arch steel plate installation device cannot be applied to top arch steel plates of different lengths and curvatures, and it is not convenient to stably lift and limit clamp, which affects the installation efficiency.
A lightweight lifting device including a first mounting bracket and a second mounting bracket is designed. The spacing of the assembled components and the clamping mechanism of the top arch steel plate are adjusted to adapt to the installation of steel plates of different lengths and curvatures. Stable limiting clamping is achieved by using an electric lifting seat and clamping mechanism.
It enables stable lifting and limiting clamping of steel plates of different lengths and curvatures, improving installation efficiency and stability.
Smart Images

Figure CN223936176U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of steel plate installation on the roof arch of a steel-covered pressure regulating chamber, specifically a lightweight lifting device for installing the steel plate on the roof arch of a steel-covered pressure regulating chamber. Background Technology
[0002] The application of steel-covered air-cushion surge chambers in hydropower stations has significant advantages in environmental protection, cost savings, and improved operational stability. The lightweight jacking device for installing the steel arch steel plate of the steel-covered surge chamber is a device specifically used in the construction of air-cushion surge chambers in hydraulic tunnels for jacking and installing the top arch steel plate.
[0003] In existing technologies, the use of jacking devices for installing the roof arch steel plates of steel-covered pressure regulating chambers is inconvenient for jacking and assisting in the installation of roof arch steel plates of different lengths and curvatures. Furthermore, it is not convenient for stable jacking and limiting clamping of the roof arch steel plates, thus affecting the installation efficiency of the roof arch steel plates in steel-covered pressure regulating chambers. Therefore, there is a need to find a lightweight jacking device for installing the roof arch steel plates of steel-covered pressure regulating chambers to solve the aforementioned problems. Utility Model Content
[0004] To solve the above-mentioned technical problems, this utility model provides a lightweight lifting device for installing the top arch steel plate of a steel-covered pressure regulating chamber, including a first mounting frame and a second mounting frame. The lower edges of both sides of the first mounting frame are provided with first assembly sleeves, and the lower edges of both sides of the second mounting frame are provided with second assembly sleeves. The first assembly sleeves and the second assembly sleeves are connected as a single unit by an assembly assembly. Both the first and second mounting frames are equipped with an electric lifting seat at their tops. The top of the electric lifting seat is equipped with a top arch steel plate adjustment and clamping mechanism. Slide grooves are provided on both sides of the top of the electric lifting seat, and the top arch steel plate adjustment and clamping mechanism is movably connected to the electric lifting seat through the slide grooves.
[0005] Preferably, the assembly component includes a long screw, the connecting end of which is sequentially connected to the interior of the first assembly sleeve and the second assembly sleeve, and a locking nut is fixedly connected to the outer periphery of the long screw and the side close to the first assembly sleeve and the second assembly sleeve.
[0006] Preferably, the top arch steel plate adjusting clamping mechanism includes a mounting box, which is located at the top center of the electric lifting seat. An electric lifting rod is provided on the top of the mounting box, and electric telescopic rods are provided on both sides of the mounting box. The top arch seat is fixedly connected to the end of the electric lifting rod and the end of the electric telescopic rod away from the mounting box, respectively.
[0007] Preferably, a steel plate fixing frame is fixedly connected to the upper edge of the top arch seat, an adjusting screw is embedded in the top of the steel plate fixing frame, and a pressure seat is movably connected to the bottom of the adjusting screw.
[0008] Preferably, the bottom end of the adjusting screw is fixedly connected to a movable locking member, the top of the pressure seat is provided with a movable locking groove of a size matching the movable locking member, and the bottom end of the pressure seat is provided with an anti-slip pad.
[0009] Preferably, both the first mounting bracket and the second mounting bracket are fixedly connected to their bottoms with casters, and both the first mounting bracket and the second mounting bracket have controller panels embedded in their outer sides. The controller panels are electrically connected to the electric lifting seat, the electric lifting rod, and the electric telescopic rod.
[0010] The beneficial effects of this utility model are as follows: Addressing the problems of existing technologies that hinder the installation and assisted lifting of arched steel plates of varying lengths and curvatures, and also make stable installation and assisted lifting and limiting clamping of arched steel plates inconvenient, this utility model utilizes an assembly component. The spacing between the first and second mounting frames can be adjusted according to the required length of the arched steel plate to be lifted and installed, thus making it suitable for the installation and assisted lifting of arched steel plates of different lengths. Furthermore, the arched steel plate adjusting clamping mechanism allows for adjustment of the support and fixing of the front and rear edges of the arched steel plate according to its curvature, thereby ensuring stable installation and assisted lifting and limiting clamping of the arched steel plate.
[0011] It should be understood that the above general description and the following detailed description are exemplary and explanatory only, and do not limit the present invention. Attached Figure Description
[0012] Figure 1 The overall front-view stereoscopic view of the lightweight jacking device for installing the steel arch steel plate of the steel cover type pressure regulating chamber of this utility model. Figure 1 .
[0013] Figure 2 The overall front-view stereoscopic view of the lightweight jacking device for installing the steel arch steel plate of the steel cover type pressure regulating chamber of this utility model. Figure 2 .
[0014] Figure 3 This is a rear perspective view of the overall structure of the lightweight lifting device for the steel arch plate of the steel cover type pressure regulating chamber according to this utility model.
[0015] Figure 4 This is a schematic diagram of the structure of the top arch steel plate adjustment and clamping mechanism for a lightweight lifting device for installing a steel-covered pressure regulating chamber.
[0016] The components are as follows: 1. First mounting bracket; 101. First assembly sleeve; 2. Second mounting bracket; 201. Second assembly sleeve; 3. Assembly component; 301. Long screw; 302. Locking nut; 4. Electric lifting seat; 11. Casters; 12. Control panel; 401. Slide groove; 5. Top arch steel plate adjustment and clamping mechanism; 501. Mounting box; 502. Electric lifting rod; 503. Electric telescopic rod; 504. Top arch seat; 505. Steel plate fixing frame; 506. Adjusting screw; 507. Pressure seat. Detailed Implementation
[0017] See Figure 1 This is a front-view stereoscopic view of the lightweight jacking device for installing the steel arch steel plate of the steel cover type pressure regulating chamber according to this utility model. Figure 1 .
[0018] See Figure 2 This is a front-view stereoscopic view of the lightweight jacking device for installing the steel arch steel plate of the steel cover type pressure regulating chamber according to this utility model. Figure 2 .
[0019] See Figure 3 This is a rear-view perspective view of the lightweight lifting device for installing the steel arch steel plate of the steel cover type pressure regulating chamber according to this utility model.
[0020] See Figure 4 This is a schematic diagram of the structure of the top arch steel plate adjustment and clamping mechanism of a lightweight lifting device for installing a steel-covered pressure regulating chamber.
[0021] A lightweight lifting device for mounting the arch steel plate of a steel-covered pressure regulating chamber includes a first mounting frame 1 and a second mounting frame 2. The lower edges of both sides of the first mounting frame 1 are provided with first assembly sleeves 101, and the lower edges of both sides of the second mounting frame 2 are provided with second assembly sleeves 201. The first assembly sleeves 101 and the second assembly sleeves 201 are connected as a single unit via an assembly assembly 3. Both the first mounting frame 1 and the second mounting frame 2 are equipped with an electric lifting seat 4 at their top. The top of the electric lifting seat 4 is equipped with an arch steel plate adjusting and clamping mechanism 5. Slide grooves 401 are provided on both sides of the top of the electric lifting seat 4, and the arch steel plate adjusting and clamping mechanism 5 is movably connected to the electric lifting seat 4 via the slide grooves 401.
[0022] Preferably, the assembly component 3 includes a long screw 301, the connecting end of which is sequentially connected to the interior of the first assembly sleeve 101 and the second assembly sleeve 201. A locking nut 302 is fixedly connected to the outer periphery of the long screw 301 and to one side near the first assembly sleeve 101 and the second assembly sleeve 201. Thus, by adjusting the spacing between the first mounting bracket 1 and the second mounting bracket 2 according to the required length of the arch steel plate to be lifted and installed, it can be used for auxiliary installation of arch steel plates of different lengths.
[0023] Preferably, the top arch steel plate adjusting clamping mechanism 5 includes a mounting box 501, which is located at the top center of the electric lifting seat 4. An electric lifting rod 502 is provided on the top of the mounting box 501, and electric telescopic rods 503 are provided on both sides of the mounting box 501. The top arch seat 504 is fixedly connected to the end of the electric lifting rod 502 and the electric telescopic rod 503 away from the mounting box 501, respectively. The electric lifting seat 4 has sliding grooves 401 on both sides of its top for sliding adjustment of the top arch seat 504. Therefore, the electric lifting seat is equipped with a top arch steel plate adjustment clamping mechanism 5 that can adjust the support according to the curvature of the top arch steel plate and is used to fix the front and rear edges of the top arch steel plate. Furthermore, there are three top arch seats 504. The bottom ends of the top arch seats 504 on both sides are embedded in the sliding grooves 401 to slide and install sliders. The electric lifting rod 502 and the electric telescopic rod 503 adjust the top arch seat 504 to fit against the bottom inner wall of the top arch steel plate for stable lifting support according to the curvature of the required installation of the top arch steel plate.
[0024] Preferably, a steel plate fixing frame 505 is fixedly connected to the upper edge of the top arch seat 504, an adjusting screw 506 is embedded in the top of the steel plate fixing frame 505, and a pressure seat 507 is movably connected to the bottom of the adjusting screw 506.
[0025] Preferably, the bottom end of the adjusting screw 506 is fixedly connected to a movable locking member, the top of the pressure seat 507 is provided with a movable locking groove of a size matching the movable locking member, and the bottom end of the pressure seat 507 is provided with an anti-slip pad.
[0026] The adjusting screw 506 and adjusting pressure seat 507, based on the thickness of the front and rear edges of the top arch steel plate, press and fix the top arch steel plate between the steel plate fixing frame 505 of the electric lifting seat 4 at the top of the first mounting frame 1 and the second mounting frame 2. The top arch steel plate is then stably lifted and supported by the electric lifting seat 4 for installation and use. The existing technical structure using movable clips, movable slots, and anti-slip pads provides better pressing and fixing, improving the stability of the device.
[0027] Preferably, both the first mounting bracket 1 and the second mounting bracket 2 are fixedly connected to the bottom with casters 11, and both the first mounting bracket 1 and the second mounting bracket 2 have a controller panel 12 embedded on their outer sides. The controller panel 12 is electrically connected to the electric lifting seat 4, the electric lifting rod 502, and the electric telescopic rod 503. This allows for better control of the electric lifting or telescopic movement of the above structures, and the casters 11 enable flexible movement of the entire device to adapt to different usage scenarios.
[0028] This invention does not disclose any common knowledge or conventional techniques in the field. The description and embodiments are to be considered exemplary only, and the true scope and spirit of this invention are indicated by the following claims.
[0029] It should be understood that this invention is not limited to the precise structure described above and shown in the accompanying drawings, and various modifications and changes can be made without departing from its scope. The scope of this invention is limited only by the appended claims.
Claims
1. A lightweight jacking device for installing the steel plate of the roof arch of a steel-covered pressure regulating chamber, comprising a first mounting frame (1) and a second mounting frame (2), characterized in that: The first mounting bracket (1) has a first assembly sleeve (101) on both sides of the lower edge, and the second mounting bracket (2) has a second assembly sleeve (201) on both sides of the lower edge. The first assembly sleeve (101) and the second assembly sleeve (201) are connected as one unit by the assembly component (3). The top of the first mounting bracket (1) and the second mounting bracket (2) are both provided with an electric lifting seat (4). The top of the electric lifting seat (4) is provided with a top arch steel plate adjustment and clamping mechanism (5). The top of the electric lifting seat (4) is provided with a sliding groove (401) on both sides. The top arch steel plate adjustment and clamping mechanism (5) is movably connected to the electric lifting seat (4) through the sliding groove (401).
2. The lightweight jacking device for installing the steel arch steel plate of the steel-covered pressure regulating chamber according to claim 1, characterized in that: The assembly component (3) includes a long screw (301), the connecting end of which is sequentially connected to the interior of the first assembly sleeve (101) and the second assembly sleeve (201), and a locking nut (302) is fixedly connected to the outer periphery of the long screw (301) and the side close to the first assembly sleeve (101) and the second assembly sleeve (201).
3. The lightweight jacking device for installing the steel arch steel plate of the steel-covered pressure regulating chamber according to claim 1, characterized in that: The top arch steel plate adjustment clamping mechanism (5) includes a mounting box (501), which is located at the top center of the electric lifting seat (4). An electric lifting rod (502) is provided on the top of the mounting box (501), and electric telescopic rods (503) are provided on both sides of the mounting box (501). The top arch seat (504) is fixedly connected to the end of the electric lifting rod (502) and the electric telescopic rod (503) away from the mounting box (501).
4. The lightweight jacking device for installing the steel arch steel plate of the steel-covered pressure regulating chamber according to claim 3, characterized in that: A steel plate fixing frame (505) is fixedly connected to the upper edge of the top arch seat (504). An adjusting screw (506) is embedded in the top of the steel plate fixing frame (505), and a pressure seat (507) is movably connected to the bottom of the adjusting screw (506).
5. The lightweight jacking device for installing the steel arch steel plate of the steel-covered pressure regulating chamber according to claim 4, characterized in that: The bottom end of the adjusting screw (506) is fixedly connected to a movable locking piece, the top of the pressure seat (507) is provided with a movable locking groove of a size matching the movable locking piece, and the bottom end of the pressure seat (507) is provided with an anti-slip pad.
6. The lightweight jacking device for installing the steel arch steel plate of the steel-covered pressure regulating chamber according to claim 5, characterized in that: The bottom of the first mounting bracket (1) and the second mounting bracket (2) are fixedly connected with casters (11), and the outer side of the first mounting bracket (1) and the second mounting bracket (2) are embedded with controller panels (12), which are electrically connected to the electric lifting seat (4), the electric lifting rod (502) and the electric telescopic rod (503).