An automatic lifting three-way adjustable walking tensioning platform

By designing the automatic lifting method three-way adjustment walking tensioning platform, the problems of low efficiency and high risk in the prestressed tensioning construction of the existing prefabricated beam body are solved, and efficient, safe and sustainable construction results are achieved.

CN111633810BActive Publication Date: 2025-04-22CHINA FIRST HIGHWAY ENGINEERING CO LTD +1
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Patent Information

Application Number
CN202010571971.7
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2020-06-22
Publication Date
2025-04-22
Estimated Expiration
2040-06-22

AI Technical Summary

Technical Problem

In the prestressed tensioning construction of existing prefabricated beam bodies, there are many types of beam bodies, heights and widths, and frequent changes, resulting in low construction efficiency, high risk, high difficulty, and low reuse rate.

Method used

An automatic lifting method three-way adjustment walking tensioning platform is designed, including a horizontal adjustment device, a vertical automatic lifting and descending device, a moving device, a fixed frame and a base. These devices realize three-way adjustment and movement, and adapt to prestressed construction of beam bodies of different widths and heights.

Benefits of technology

It improves construction efficiency, reduces labor intensity, reduces construction costs, ensures construction quality and safety, and supports reuse and sustainable development.

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Abstract

The present invention relates to an automatic lifting method three-way adjustable walking tensioning platform, comprising: a horizontal adjustment device, a vertical automatic lifting and lowering device, a moving device, a fixed frame, and a base; an operating platform is provided on the fixed frame; the horizontal adjustment device is arranged on the operating platform; a transversely movable expansion platform is provided on the horizontal adjustment device; the vertical automatic lifting and lowering device is connected and fixed to the lower end of the operating platform; the base is connected and fixed to the lower end of the vertical automatic lifting and lowering device; a guardrail is provided on the transversely movable expansion platform; and an expansion leg is provided on the base. The various components of the present invention can be cut and processed uniformly, the material is light and the amount is small, the structure is light and simple, the construction environment is clean, and labor and processing time are saved. Compared with the traditional prestressed tensioning platform, it can improve construction efficiency, reduce construction costs, ensure construction quality, and ensure construction safety, and is suitable for beam height and beam width.
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Description

Technical Field

[0001] The invention relates to the field of prefabricated beam prestressing tensioning construction, and in particular to an automatic lifting method three-way adjustable walking tensioning platform. Background Art

[0002] With the rapid development of my country's transportation industry, large-scale simply supported to continuous bridges are widely built, and beams and slabs that need to be prefabricated are common. For projects with many types of beam and slab forms, beam and slab widths and beam and slab heights, traditional prestressing needs to be frequently changed or more prestressing platforms need to be set up. Ordinary prestressing platforms need to be repeatedly dismantled and set up, wasting a lot of materials, labor and machine shifts; at the same time, prestressing construction at different heights wastes a lot of time, affecting the overall construction period; secondly, ordinary prestressing platforms are simply built with steel, with poor overall stability and no safety guarantee; at the same time, ordinary prestressing platforms are not convenient for turnover and are not conducive to sustainable development. Therefore, there is a need for an automatic lifting method three-way adjustable walking tensioning platform that aims to solve the current problems of many types of beam forms, beam heights and beam widths, frequent changes, low tensioning construction efficiency, high tensioning construction risks, high construction difficulty, and low reuse rate. Summary of the invention

[0003] The problem to be solved by the present invention is to provide an automatic lifting three-way adjustable walking tensioning platform aimed at solving the current problems of many types of beam forms, beam heights and beam widths, frequent changes, low tensioning construction efficiency, high tensioning construction risks, great construction difficulty and low reuse rate.

[0004] In order to ensure stable operation and high working efficiency during use, the present invention relates to an automatic lifting three-way adjustable walking tensioning platform, comprising: a horizontal adjustment device, a vertical automatic lifting and lowering device, a moving device, a fixed frame, and a base;

[0005] An operating platform is provided on the fixed frame; the horizontal adjustment device is arranged on the operating platform; a transversely movable extension platform is provided on the horizontal adjustment device; the vertical automatic lifting and lowering device is connected and fixed to the lower end of the operating platform; the base is connected and fixed to the lower end of the vertical automatic lifting and lowering device; a guardrail is provided on the transversely movable extension platform; and extension legs are provided on the base.

[0006] The beneficial effects of the present invention are that the various parts of the equipment can be processed uniformly, the material is light and the amount is small, the structure is light and simple, the construction environment is clean, the beam field construction and the tensioning platform processing and manufacturing are synchronized, saving labor and processing time. Compared with the traditional prestressed tensioning platform, it can improve construction efficiency, reduce labor intensity, reduce construction costs, ensure construction quality, ensure construction safety, reuse, promote sustainable development, etc. It can be freely adjusted in the width direction and height direction to adapt to the prestressed construction of beams of different widths and heights, and has strong versatility.

[0007] Furthermore, the vertical automatic lifting and lowering device includes a passive lifting support frame and an active lifting support frame; the upper end of the passive lifting support frame is fixedly connected to the operating platform; the lower end of the passive lifting support frame is supported and connected to the base; the upper end of the active lifting support frame is supported and connected to the operating platform; the lower end of the active lifting support frame is fixedly connected to the base. The passive lifting support frame and the active lifting support frame are designed in an X shape, with one end of the upper and lower ends being fixedly connected and one end being supported and connected, that is, being movably connected, ensuring that when the hydraulic jack is pressurized, the passive lifting support frame and the active lifting support frame can slide in the sliding groove at the same time, thereby ensuring the stability of lifting.

[0008] Furthermore, the vertical automatic lifting and lowering device is provided with a hydraulic jack; the upper end of the hydraulic jack is fixedly connected to the middle of the active lifting support frame; the lower end of the hydraulic jack is fixedly connected to the lower part of the passive lifting support frame. The upper end of the hydraulic jack is fixed to the middle of the active lifting support frame through a pin shaft and a connecting plate, and the lower end of the hydraulic jack is fixed to the lower part of the passive lifting support frame through a pin shaft and a connecting plate to ensure the stability of the hydraulic jack.

[0009] Furthermore, the lower ends of the base and the operating platform are provided with sliding grooves; the upper end of the active lifting support frame is arranged in the sliding groove at the lower end of the operating platform; the lower end of the passive lifting support frame is arranged in the sliding groove of the base. Through the design of the sliding groove, it is ensured that the passive lifting support frame and the active lifting support frame can move stably, so as to achieve the purpose of lifting. The design of the sliding groove is the same as the design of the sliding block in the sliding groove, which is diverse.

[0010] Furthermore, the extension legs are provided with screw support legs. The stability of the base is ensured by the design of the extension legs and the screw support legs. The extension legs can be designed as sleeve-type support legs, which can be pulled out and fixed when working stably, and retracted during movement to avoid interfering with the movement of the walking wheels.

[0011] Furthermore, the base is provided with small running wheels, which can drive the base and the whole device to move.

[0012] Furthermore, the fixed frame is provided with a transverse sliding groove and a longitudinal sliding groove; the transverse sliding groove and the longitudinal sliding groove are provided with a transverse pulley and a longitudinal pulley. Through the design of the transverse sliding groove and the longitudinal sliding groove, the transverse pulley and the longitudinal pulley are driven to move forward, backward, left and right, so as to achieve the position transfer.

[0013] Furthermore, a fixed connecting plate is provided on the transverse pulley; the longitudinal sliding groove is fixedly connected to the fixed connecting plate. By connecting the longitudinal sliding groove to the fixed connecting plate, the pulley in the transverse sliding groove is first moved into position and then moved longitudinally, and the separate movement ensures the stability of the movement.

[0014] Furthermore, a load-bearing small hook is provided on the longitudinal pulley, and the material is pulled up by the load-bearing small hook to ensure stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0016] Figure 1 It is a structural diagram of an automatic lifting method three-way adjustable walking type tensioning platform of the present invention;

[0017] Figure 2 It is a top view of a three-way adjustable walking tensioning platform using an automatic lifting method according to the present invention;

[0018] Figure 3 The invention discloses a fixed skeleton diagram of a three-way adjustable walking tensioning platform using an automatic lifting method.

[0019] The numbers in the figure represent the corresponding component names:

[0020] 1. Horizontal adjustment device; 2. Vertical automatic lifting and lowering device; 3. Moving device; 4. Fixed frame; 5. Base; 6. Operating platform; 7. Lateral extension platform; 8. Guardrail; 9. Extension legs; 10. Screw support legs; 11. Passive lifting support frame; 12. Active lifting support frame; 13. Hydraulic jack; 14. Sliding groove; 15. Walking wheel; 16. Horizontal sliding groove; 17. Longitudinal sliding groove; 18. Horizontal pulley; 19. Longitudinal pulley; 20. Fixed connecting plate; 21. Load-bearing small hook. DETAILED DESCRIPTION

[0021] The present invention is further described in detail below in conjunction with specific embodiments:

[0022] The problem to be solved by the present invention is to provide an automatic lifting three-way adjustable walking tensioning platform aimed at solving the current problems of many types of beam forms, beam heights and beam widths, frequent changes, low tensioning construction efficiency, high tensioning construction risks, great construction difficulty and low reuse rate.

[0023] like Figure 1 , Figure 2 As shown, in order to ensure stable operation and high working efficiency during use, the present invention relates to an automatic lifting three-way adjustable walking tensioning platform, comprising:

[0024] Horizontal adjustment device 1, vertical automatic lifting and lowering device 2, moving device 3, fixed frame 4, base 5;

[0025] An operating platform 6 is provided on the fixed skeleton 4; the horizontal adjustment device 1 is arranged on the operating platform 6; a transversely movable extension platform 7 is provided on the horizontal adjustment device 1; the vertical automatic lifting and lowering device 2 is connected and fixed to the lower end of the operating platform 6; the base 5 is connected and fixed to the lower end of the vertical automatic lifting and lowering device 2; a guardrail 8 is provided on the transversely movable extension platform 7; and an extension leg 9 is provided on the base 5.

[0026] The beneficial effects of the present invention are that the various parts of the equipment can be processed uniformly, the material is light and the amount is small, the structure is light and simple, the construction environment is clean, the beam field construction and the tensioning platform processing and manufacturing are synchronized, saving labor and processing time. Compared with the traditional prestressed tensioning platform, it can improve construction efficiency, reduce labor intensity, reduce construction costs, ensure construction quality, ensure construction safety, reuse, promote sustainable development, etc. It can be freely adjusted in the width direction and height direction to adapt to the prestressed construction of beams of different widths and heights, and has strong versatility.

[0027] Furthermore, the vertical automatic lifting and lowering device 2 includes a passive lifting support frame 11 and an active lifting support frame 12; the upper end of the passive lifting support frame 11 is fixedly connected to the operating platform 6; the lower end of the passive lifting support frame 11 is supported and connected to the base 5; the upper end of the active lifting support frame 12 is supported and connected to the operating platform 6; the lower end of the active lifting support frame 12 is fixedly connected to the base 5. The passive lifting support frame 11 and the active lifting support frame 12 are designed in an X shape, and one end of the upper and lower ends is fixedly connected and the other end is supported and connected, that is, movably connected, to ensure that when the hydraulic jack 13 is pressurized, the passive lifting support frame 11 and the active lifting support frame 12 can slide in the sliding groove at the same time to ensure the stability of lifting.

[0028] Furthermore, a hydraulic jack 13 is provided on the vertical automatic lifting and lowering device 2; the upper end of the hydraulic jack 13 is fixedly connected to the middle of the active lifting support frame 12; the lower end of the hydraulic jack 13 is fixedly connected to the lower part of the passive lifting support frame 11. The upper end of the hydraulic jack 13 is fixed to the middle of the active lifting support frame 12 through a pin shaft and a connecting plate, and the lower end of the hydraulic jack 13 is fixed to the lower part of the passive lifting support frame 11 through a pin shaft and a connecting plate to ensure the stability of the hydraulic jack 13.

[0029] Furthermore, the lower ends of the base 5 and the operating platform 6 are provided with a sliding groove 14; the upper end of the active lifting support frame 12 is arranged in the sliding groove 14 at the lower end of the operating platform 6; and the lower end of the passive lifting support frame 11 is arranged in the sliding groove 14 of the base 5. Through the design of the sliding groove 14, it is ensured that the passive lifting support frame 11 and the active lifting support frame 12 can be stably moved, so as to achieve the purpose of lifting, and the design of the sliding groove 14 is the same as the design of the sliding block in the sliding groove 14, which is diverse.

[0030] Furthermore, the extended legs 9 are provided with screw support legs 10. The design of the extended legs 9 and the screw support legs 10 ensures the stability of the base 5. The extended legs 9 can be designed as sleeve-type support legs, which are pulled out and fixed when working stably, and retracted during movement to avoid interfering with the movement of the walking wheels 15.

[0031] Further, the base 5 is provided with a running wheel 15. The running wheel 15 can drive the base 5 and the movement of the whole device.

[0032] like Figure 3 As shown, further, the fixed frame 4 is provided with a transverse sliding groove 16 and a longitudinal sliding groove 17; the transverse sliding groove 16 and the longitudinal sliding groove 17 are provided with a transverse pulley 18 and a longitudinal pulley 19. Through the design of the transverse sliding groove 16 and the longitudinal sliding groove 17, the transverse pulley 18 and the longitudinal pulley 19 are driven to move forward, backward, left and right, so as to achieve the transfer of position.

[0033] Furthermore, a fixed connecting plate 20 is provided on the transverse pulley 18, and the longitudinal sliding groove 17 is fixedly connected to the fixed connecting plate 20. By connecting the longitudinal sliding groove 17 with the fixed connecting plate 20, the pulley in the transverse sliding groove 16 is first moved into position and then moved longitudinally, and the separate movement ensures the stability of the movement.

[0034] Further, a load-bearing small hook 21 is provided on the longitudinal pulley 19. The material is pulled up by the load-bearing small hook 21 to ensure stability.

[0035] In actual operation, the fixed frame 1 is installed with a ceiling, a lateral baffle and a forward baffle, the lower ends of the ceiling and the baffle frames are welded to the operating platform 6, the transverse pulley 18 is installed on the transverse sliding groove 16 and the load-bearing beam, the transverse sliding groove 16 and the load-bearing beam are welded to the ceiling and the upper part of the fixed frame 1, the longitudinal pulley 19 is installed on the longitudinal sliding groove 17 and the load-bearing beam, the longitudinal sliding groove 17 and the load-bearing beam are fixed to the transverse sliding groove 16 and the load-bearing beam through a connecting plate and the transverse pulley 18, one end of the operating platform 6 is fixed to the passive lifting support frame 11 through a connecting pin, and the other end of the operating platform 6 is supported above the active lifting support frame 12, and the transverse extension platform 7 is installed above the operating platform 6. The guardrail 8 is welded and fixed above the operating platform 6 and the transverse extension platform 7. The upper end of the active lifting support frame 12 supports the operating platform 6, and the lower end is fixedly supported on the base 5 through a connecting pin and a connecting plate. The upper end of the passive lifting support frame 11 is fixedly supported on the operating platform 6 through a connecting pin and a connecting plate, and the lower end is supported on the base 5. One end of the extension leg 9 is fixed to the base 5 through a connecting pin, and the screw support leg 10 is installed on the extension leg 9. The upper end of the hydraulic jack 13 is fixed to the middle part of the active lifting support frame 12 through a pin and a connecting plate, and the lower end of the hydraulic jack 13 is fixed to the lower part of the passive lifting support frame 11 through a pin and a connecting plate. The oil pump is installed on the base 5 to provide power.

[0036] In actual operation, the horizontal adjustment device is used to make lateral and longitudinal adjustments to suit various widths of beam tensioning construction; the vertical automatic lifting and lowering device is used to make vertical adjustments to suit various beam heights or prestressed tensioning construction of different heights; the moving device is used to make the whole move to enhance applicability. The support base, the screw legs and the extension legs are used to enhance stability.

[0037] The above description of the disclosed embodiments enables one skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to one skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but rather to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An automatic lifting three-way adjustable walking tensioning platform, characterized in that: It comprises: a horizontal adjustment device, a vertical automatic lifting and lowering device, a moving device, a fixed frame, and a base; an operating platform is provided on the fixed frame; the horizontal adjustment device is arranged on the operating platform; a transversely movable extension platform is provided on the horizontal adjustment device; the vertical automatic lifting and lowering device is connected and fixed to the lower end of the operating platform; the base is connected and fixed to the lower end of the vertical automatic lifting and lowering device; a guardrail is provided on the transversely movable extension platform; an extended support leg is provided on the base; the vertical automatic lifting and lowering device comprises a passive lifting support frame and an active lifting support frame; the upper end of the passive lifting support frame is fixedly connected to the operating platform; the passive The lower end of the lifting support frame is connected to the base support; the upper end of the active lifting support frame is connected to the operating platform support; the lower end of the active lifting support frame is fixedly connected to the base; the vertical automatic lifting and lowering device is provided with a hydraulic jack; the upper end of the hydraulic jack is fixedly connected to the middle part of the active lifting support frame; the lower end of the hydraulic jack is fixedly connected to the lower part of the passive lifting support frame; the lower ends of the base and the operating platform are provided with sliding grooves; the upper end of the active lifting support frame is arranged in the sliding groove of the lower end of the operating platform; the lower end of the passive lifting support frame is arranged in the sliding groove of the base; the extended legs are provided with screw support legs.

2. The three-way adjustable walking tensioning platform according to claim 1 is characterized by: The base is provided with small walking wheels.

3. The automatic lifting three-way adjustable walking tensioning platform according to claim 1 is characterized in that: The fixed frame is provided with a transverse sliding groove and a longitudinal sliding groove; the transverse sliding groove and the longitudinal sliding groove are provided with a transverse pulley and a longitudinal pulley.

4. The three-way adjustable walking tensioning platform according to claim 3 is characterized by: The transverse pulley is provided with a fixed connecting plate; the longitudinal sliding groove is fixedly connected to the fixed connecting plate.

5. The automatic lifting three-way adjustable walking tensioning platform according to claim 3 is characterized by: A load-bearing small hook is arranged on the longitudinal pulley.

Citation Information

Patent Citations

  • Automatic lifting method three-way adjusting type walking type tensioning platform

    CN212445764U