Hydraulic jacking scaffold moving device

Abstract

The invention relates to the technical field of scaffolds, in particular to a hydraulic jacking scaffold moving device which comprises a scaffold body and symmetrically-arranged supporting moving devices, and each supporting moving device comprises a fixing sleeve, an inclined rod, a hydraulic cylinder, a supporting cushion table, a manual valve, a pedal, auxiliary wheels, an oil tank and other components. The oil tank is connected with the hydraulic cylinder through a main oil pipe, the main oil pipe is connected with a manual valve in series, a rotary valve seat of the manual valve is fixedly connected with a pedal and a supporting rod which are perpendicular to each other, and an auxiliary wheel is arranged at the tail end of the supporting rod; an electromagnetic valve is arranged at the front end of the branch oil pipe on the main oil pipe, and an energy storage piston rod is connected with a pedal through a pull rope. During operation, the pedal is treaded to control opening and closing of the manual valve, auxiliary wheel supporting and action of the energy storage oil cylinder in a linkage mode, efficient switching between stable supporting and flexible moving of the scaffold is achieved, external power is not needed, and the scaffold is suitable for multiple construction scenes.

Description

Technical Field

[0001] This invention relates to the field of scaffolding technology, and more specifically to a hydraulically jacking scaffolding moving device. Background Technology

[0002] In engineering fields such as building construction, bridge maintenance, and equipment installation, scaffolding, as a core piece of equipment providing working platforms and safety protection, often requires frequent repositioning to adapt to the needs of different construction areas. Currently, commonly used scaffolding moving devices in engineering can be mainly divided into two categories: one is simple wheeled scaffolding that relies on manual pushing. Its bottom is directly equipped with fixed moving wheels. While it has basic moving capabilities, maintaining stability during construction requires additional wooden blocks, clips, or braking devices to restrict wheel rotation. This is cumbersome to operate, and stability depends on the precision of manual operation, easily leading to safety hazards due to brake failure or wooden block displacement. The other type is heavy-duty scaffolding equipped with electric or hydraulic drive systems. Although it can achieve automatic lifting and movement, its overall structure is complex, manufacturing costs are high, and it relies on external power sources or large hydraulic pump stations for power. Equipment maintenance is difficult, and replacement costs are high when parts are damaged.

[0003] The aforementioned problems make it difficult to achieve a balance between practicality, safety, and economy in existing scaffolding moving devices. There is an urgent need for a solution that is structurally simplified, easy to operate, requires no external power, and can provide both stable support and flexible movement. Summary of the Invention

[0004] To address the aforementioned technical problems of traditional scaffolding, such as cumbersome switching between stability and movement, reliance on external power, easy imbalance of support, low operating efficiency, and poor applicability in scenarios without power supply, this invention provides a hydraulic lifting scaffolding movement device. By using pedal linkage to control manual valves, auxiliary wheels, and energy storage cylinders, it can achieve stable support and flexible movement switching of scaffolding without external power.

[0005] The solution adopted by the present invention to solve its technical problem is: a hydraulic lifting scaffolding moving device, comprising a scaffolding consisting of a main frame, a working platform and a bottom frame, wherein main moving wheels are installed at the corners of the bottom frame of the scaffolding, and a supporting moving device is also included. The supporting moving device is symmetrically arranged on the main frame, including a fixed sleeve fixedly fitted on the bottom frame, and the fixed sleeves at adjacent corners are connected and fixed by diagonal rods. A hydraulic cylinder is fixedly fixed vertically downward on the fixed sleeve, and a support pad is fixedly installed at the lower end of the piston rod of the hydraulic cylinder. An oil tank is provided on the scaffolding, and the oil tank is connected to the hydraulic cylinder through a main oil pipe. A manual valve is connected in series on the main oil pipe. A pedal and a support rod perpendicular to each other are fixedly installed on the rotating valve seat of the manual valve. The manual valve is opened and closed by swinging the pedal to drive the rotating valve seat to rotate. An auxiliary wheel is installed at the tail end of the support rod, and the length of the support rod is greater than the height of the bottom frame from the ground. It also includes an energy storage cylinder, which is connected in parallel to the main oil pipe through a branch oil pipe, and a solenoid valve is installed on the main oil pipe at the front end of the branch oil pipe. The energy storage piston rod of the energy storage cylinder is connected to the pedal through a pull rope. When the pedal is rotated, the piston rod of the energy storage cylinder is moved by pulling the pull rope.

[0006] Furthermore, the energy storage cylinder includes a cylinder body, in which a piston is fitted and matched. An energy storage piston rod is connected to the outer side of the piston through the end of the energy storage cylinder. A spring is installed inside the energy storage cylinder, with both ends of the spring fixed to the piston and the inner wall of the energy storage cylinder, respectively. A pull rope is connected to the front end of the energy storage piston rod, and the pull rope is guided by a guide sleeve and its end is fixedly connected to the pedal.

[0007] Furthermore, the manual valve is mounted and fixed on the inclined rod via a mounting base, including an inlet valve seat, an outlet valve seat, and a rotary valve seat. The inlet and outlet valve seats are fixed on the inclined rod, and the rotary valve seat is rotatably fitted between them. The inlet and outlet valve seats are respectively connected to the oil inlet / outlet ports of the hydraulic cylinder and the oil tank, and have through holes at their inner ends. The rotary valve seat has an oil passage. Rotating the rotary valve seat 45° enables the oil passage and the through hole to be connected or misaligned, thereby achieving the opening and closing effect of the manual valve.

[0008] Furthermore, the working process of this device is as follows: When it is necessary to keep the scaffold stable, the solenoid valve opens, and the downward swing of the pedal drives the rotating valve seat to rotate, opening the manual valve. At the same time, the support rod rotates synchronously, causing the auxiliary wheel to rotate and contact the ground. The auxiliary wheel and the support rod lift the scaffold, and the main moving wheel leaves the ground. During this process, the support platform falls to the ground by its own weight, and the hydraulic oil in the oil tank enters the hydraulic cylinder. When the support platform is stable, the pedal and the auxiliary wheel return to their positions and lift up, the manual valve closes, the hydraulic cylinder locks, and the support platform supports the scaffold. When the scaffolding needs to be moved, first close the solenoid valve, then swing the pedal downwards to rotate the valve seat, opening the manual valve. Simultaneously, the support rod rotates, and the auxiliary wheel rotates to contact the ground. The auxiliary wheel and support rod lift the scaffolding. During this process, the pull rope pulls the accumulator piston rod outwards, reducing the pressure in the accumulator cylinder. Since the oil tank passage is closed by the solenoid valve, the hydraulic oil in the hydraulic cylinder is drawn into the accumulator cylinder through the main oil pipe and the branch oil pipe. The hydraulic cylinder retracts, causing the support pad to move up to a height higher than the main moving wheel. Finally, the pedal returns to its original position, the auxiliary wheel gradually moves away from the ground, and the main moving wheel contacts the ground. Workers then use the main moving wheel to push the scaffolding forward.

[0009] Furthermore, an auxiliary telescopic rod is longitudinally installed between the fixed sleeve and the support pad, which, in conjunction with the telescopic action of the hydraulic cylinder, ensures that the support pad is subjected to uniform force.

[0010] Furthermore, the inclined rod is located between the pedal and the support rod, and is 45° away from both. When the pedal swings, the inclined rod limits its swing by 45°.

[0011] Furthermore, the support pad is a steel counterweight, and the weight of the support pad is less than the negative pressure generated in the energy storage cylinder after the energy storage piston rod is moved by the pull rope.

[0012] Furthermore, the inlet valve seat of the manual valve is connected to the oil outlet and oil inlet of the hydraulic cylinder via oil pipes, and the outlet valve seat is connected to the oil tank via the main oil pipe.

[0013] The beneficial effects of this invention are: Firstly, this invention integrates the rotating valve seat of the manual valve with the pedal and support rod, allowing the operator to simultaneously open and close the oil circuit and lift the auxiliary wheel support with a single pedal press. This eliminates the need to operate multiple independent components in steps, simplifying the stable-movement switching process, significantly reducing manual labor intensity, shortening switching time, and efficiently adapting to the needs of frequent scaffold position adjustments in engineering projects. Secondly, it does not rely on external power. When providing stable support, the weight of the support platform and atmospheric pressure push the hydraulic oil in the oil tank into the hydraulic cylinder, realizing the automatic lowering and locking of the support platform. When moving and retracting, the pedal pulls the rope to generate negative pressure in the energy storage cylinder, which draws in the hydraulic oil in the hydraulic cylinder. No external power supply or hydraulic pump station is required. While simplifying the structure, it can be used stably in the field, temporary construction and other scenarios without power supply, making it more adaptable to the environment.

[0014] Third, the structure is stable and safe. The support and moving device adopts a symmetrical layout, and the adjacent fixed sleeves are connected by diagonal braces to form a triangular stable structure, which enhances the rigidity of the bottom frame of the scaffold. The support pad is made of steel counterweights and the weight is precisely matched with the negative pressure of the energy storage cylinder to avoid support slippage or retraction jamming. The 45° mechanical limit of the diagonal brace on the pedal can also prevent the manual valve from being damaged by excessive rotation, effectively avoiding safety risks such as tilting and component failure. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of the present invention; Figure 2 This is a schematic diagram of the bottom frame and movable support device structure of the present invention; Figure 3 This is a top view of the mobile support device of the present invention. Figure 4 This is a partial three-dimensional structural diagram of the mobile support device of the present invention; Figure 5 This is a partial top view of the mobile support device of the present invention; Figure 6 This is a schematic diagram illustrating the state changes of the mobile support device of the present invention; Figure 7 This is a schematic diagram of the manual valve structure of the present invention; Figure 8 This is a schematic diagram of the hydraulic drive mechanism of the present invention.

[0016] In the diagram: 1. Scaffolding; 101. Main frame; 102. Working platform; 103. Bottom frame; 104. Bottom carrier plate; 2. Main moving wheel; 3. Fixing sleeve; 4. Diagonal bar; 5. Hydraulic cylinder; 6. Auxiliary telescopic rod; 7. Support pad; 8. Manual valve; 801. Inlet valve seat; 802. Rotary valve seat; 803. Outlet valve seat; 804. Oil passage; 805. Mounting seat; 806. Valve inlet; 9. Pedal; 10. Support rod; 11. Auxiliary wheel; 12. Oil tank; 13. Accumulator cylinder; 131. Cylinder body; 132. Accumulator piston rod; 133. Spring; 14. Solenoid valve; 15. Main oil pipe; 16. Guide sleeve; 17. Pull rope; 18. Distribution oil pipe. Detailed Implementation

[0017] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0018] Please see Figure 1-8 This invention provides a technical solution for a hydraulically jacking scaffolding moving device: Example

[0019] This embodiment provides a hydraulic jacking scaffolding moving device. Its overall structure is designed with the core objective of achieving stable support and flexible movement of the scaffolding, and the various components work together to form a complete functional system. The device consists of two main parts: the scaffolding body and the supporting moving device. The scaffolding 1 is composed of a main frame 101, a working platform 102, a bottom frame 103, and a bottom carrier plate 104. The bottom carrier plate 104 is welded and fixed to the inside of the bottom frame 103 to enhance the load-bearing stability of the bottom structure of the scaffolding 1, and at the same time provide a flat installation foundation for subsequent components such as the hydraulic drive mechanism. Main moving wheels 2 are bolted and fixed to the four corners of the bottom frame 103 of the scaffolding 1. The main moving wheels 2 are universal wheels with braking function, which can realize the movement of the scaffolding 1 in any direction under normal conditions, and can help limit the positional displacement of the scaffolding 1 under braking conditions.

[0020] The supporting moving device adopts a symmetrical layout design to ensure balanced force distribution on the scaffold 1. Its core components include a fixed sleeve 3, diagonal brace 4, hydraulic cylinder 5, support pad 7, manual valve 8, footboard 9, support rod 10, auxiliary wheel 11, hydraulic drive mechanism, and related piping components. Figures 2-5 As shown, the fixing sleeve 3 is fitted and fixed to the crossbar of the bottom frame 103 by welding or bolting, and the position of each fixing sleeve 3 maintains a preset distance from the corner of the bottom frame 103 to ensure that the hydraulic cylinder 5 installed later can provide stable support for the scaffold 1; the fixing sleeves 3 at two adjacent corners are connected and fixed by diagonal rods 4, and the two ends of the diagonal rods 4 are welded to the fixing sleeves 3 to form a triangular stable structure, which can not only enhance the overall rigidity of the bottom frame 103, but also provide an installation carrier for the manual valve 8.

[0021] A hydraulic cylinder 5 is vertically welded and fixed to the bottom of each fixed sleeve 3. The hydraulic cylinder 5 is a single-acting hydraulic cylinder, and its piston rod is detachably fixed to the support pad 7 through a flange, which facilitates the subsequent maintenance and replacement of the support pad 7. The support pad 7 is designed as a steel counterweight, and its bottom surface is machined into a rough plane to increase the friction with the ground. At the same time, the weight of the support pad 7 is precisely calculated to be less than the negative pressure generated in the energy storage cylinder 13 after the pull rope 17 pulls the energy storage piston rod 132 to move. This ensures that the hydraulic oil in the hydraulic cylinder 5 can be smoothly drawn into the energy storage cylinder 13 during the movement of the scaffold 1, so as to achieve the stable upward movement of the support pad 7.

[0022] The oil tank 12 is fixed to the bottom carrier plate 104 of the scaffold 1 by a bracket. The oil tank 12 stores hydraulic oil, and its oil outlet is connected in parallel to the oil inlet and outlet of each hydraulic cylinder 5 through the main oil pipe 15 to ensure that each hydraulic cylinder 5 receives a uniform supply of hydraulic oil. A manual valve 8 is installed in series on the main oil pipe 15. The manual valve 8 is fixed to the diagonal bar 4 by a mounting base 805. Its specific structure is as follows: Figure 7 As shown, it includes an inlet valve seat 801, an outlet valve seat 803, and a rotary valve seat 802. The inlet valve seat 801 and the outlet valve seat 803 are both fixed to the mounting base 805 by bolts and are fixedly connected to the diagonal rod 4. The rotary valve seat 802 is fitted between the inlet valve seat 801 and the outlet valve seat 803 by a sealing rotation sleeve. The inlet valve seat 801 has two ports, which are connected to the oil outlet and oil inlet of the hydraulic cylinder 5 through branch oil pipes, respectively. The outlet valve seat 803 is connected to the oil return port of the oil tank 12 through the main oil pipe 15. A circular through hole is opened at the inner end of the inlet valve seat 801 and the outlet valve seat 803, that is, the end facing the rotary valve seat 802. An oil passage 804 matching the through hole is opened on the side wall of the rotary valve seat 802. When the rotary valve seat 802 rotates 45° around its own axis, the oil passage 804 can be fully connected or misaligned with the through hole on the inlet valve seat 801 and the outlet valve seat 803, thereby achieving the effect of opening and closing the manual valve 8: when connected, the hydraulic oil can flow between the hydraulic cylinder 5 and the oil tank 12; when misaligned, the oil circuit is cut off, thereby locking the hydraulic cylinder 5.

[0023] On the outer wall of the rotary valve seat 802, a pedal 9 and a support rod 10 are welded and fixed perpendicularly to each other. The pedal 9 is designed as a long, flat plate structure, which is convenient for the operator to step on and apply force. The tail end of the support rod 10 is equipped with an auxiliary wheel 11 through a bearing. The auxiliary wheel 11 is a small universal wheel, and the overall length of the support rod 10 is greater than the height of the bottom frame 103 from the ground, ensuring that when the pedal 9 swings downward, the auxiliary wheel 11 can smoothly contact the ground and provide support for the scaffold 1. When the pedal 9 and the support rod 10 are in gravity balance, the manual valve is in the closed state. At the same time, the installation position of the diagonal bar 4 is located between the pedal 9 and the support rod 10, and the angle between it and both is 45°. This design can mechanically limit the swing angle of the pedal 9, so that the maximum swing angle of the pedal 9 is controlled at 45°, avoiding damage to the manual valve 8 or the oil passage not being aligned with the through hole due to excessive swing angle of the pedal 9, or excessive force on the auxiliary wheel 11. To ensure that pedal 9 is in the closed position of manual valve 8 when no force is applied, a tension spring can be installed between support rod 10 and diagonal rod 4. The reset effect of the tension spring ensures that pedal 9 can be accurately reset.

[0024] The accumulator cylinder 13 is mounted on the bottom carrier plate 104 of the scaffold 1 via a bracket. Its specific structure includes a cylinder body 131, an accumulator piston rod 132, and a spring 133. The cylinder body 131 is a sealed cavity, and a piston is fitted inside. One end of the accumulator piston rod 132 is fixed, and the other end passes through the end of the cylinder body 131 and extends to the outside. A spring 133 is also installed inside the cylinder body 131. One end of the spring 133 is fixed to the side of the piston near the accumulator piston rod 132, and the other end is fixed to the inner wall of the cylinder body 131. Under normal conditions, the spring 133 is in a naturally extended state, pushing the piston to keep the accumulator piston rod 132 in a retracted state. The oil inlet of the accumulator cylinder 13 is connected in parallel to the main oil pipe 15 via the oil distribution pipe 18, and the connection point between the oil distribution pipe 18 and the main oil pipe 15 is located between the manual valve 8 and the oil tank. On the main oil pipe 15, a solenoid valve 14 is installed between the oil distribution pipe 18 and the oil tank 12. The solenoid valve 14 is a normally closed solenoid directional valve, and its opening and closing are controlled by the circuit to cut off or connect the oil circuit between the oil tank 12 and the main oil pipe 15. In order to save the cost of the device, the solenoid valve can also be a manually operated opening and closing valve.

[0025] A pull rope 17 is connected to the front end of the energy storage piston rod 132. The pull rope 17 is made of high-strength steel wire rope. Its other end is guided by the guide sleeve 16 and then fixedly connected to the middle position of the pedal 9. The guide sleeve 16 is installed on the bottom plate of the scaffold 1 through the bracket. It is equipped with a pulley inside, which can reduce the friction when the pull rope 17 moves, and ensure that the energy storage piston rod 132 can be stably pulled by the pull rope 17 when the pedal 9 swings.

[0026] In this embodiment, the device operates under two different conditions: stable support and movement. The coordination and technical principles of the components under these two conditions are as follows: Working Condition 1: Maintaining Scaffold Stability When it is necessary to fix scaffold 1 in a designated position to ensure operational safety, the solenoid valve 14 is first opened via circuit control. At this time, the section from the oil tank 12 to the connection point of the branch oil pipe 18 in the main oil pipe 15 is in a conductive state. The operator steps down on the pedal 9, causing the pedal 9 to swing downward around the axis of the rotary valve seat 802. Since the pedal 9 is fixedly connected to the rotary valve seat 802, the swing of the pedal 9 will drive the rotary valve seat 802 to rotate synchronously. At the same time as the pedal 9 swings, the support rod 10 perpendicular to it will also rotate synchronously, causing the auxiliary wheel 11 at the end of the support rod 10 to gradually approach the ground and eventually contact the ground. As the pedal 9 continues to swing, the auxiliary wheel 11 generates a supporting force between itself and the ground, which, together with the leverage of the support rod 10, lifts the scaffold 1. At this time, the main moving wheel 2 at the bottom corner of the scaffold 1 is lifted off the ground, making room for the support platform 7 to fall.

[0027] During the process of the auxiliary wheel 11 supporting the scaffold 1, the support pad 7 gradually falls and contacts the ground under its own weight. At this time, because the rotary valve seat 802 of the manual valve 8 rotates 45° with the pedal 9, the oil passage 804 on the rotary valve seat 802 is completely connected with the through holes on the inlet valve seat 801 and the outlet valve seat 803. Under the action of atmospheric pressure and the weight of the support pad, the hydraulic oil in the oil tank 12 enters the rodless chamber of the hydraulic cylinder 5 through the main oil pipe 15 and the manual valve 8, pushing the piston rod of the hydraulic cylinder 5 to extend, so that the support pad 7 forms a tight fit with the ground, further enhancing the support stability.

[0028] Once the support platform 7 is stably supported on the ground, the operator releases the pedal 9. Under the balance of its own weight, the pedal 9 and the auxiliary wheel 11 gradually return to their original positions and lift up. The rotary valve seat 802 rotates 45° in the opposite direction, and the oil passage 804 is misaligned with the through holes on the inlet valve seat 801 and the outlet valve seat 803. The manual valve 8 closes, and the rodless chamber of the hydraulic cylinder 5 forms a closed space, preventing the hydraulic oil from flowing back and locking the hydraulic cylinder 5. At this time, the weight of the scaffold 1 is entirely borne by the support platform 7, and the main moving wheel 2 remains off the ground. The scaffold 1 remains stable under the friction between the support platform 7 and the ground, preventing displacement during operation.

[0029] Working Condition 2: Mobile Scaffolding When it is necessary to move scaffold 1 to a new working position, the solenoid valve 14 is first closed by circuit control to cut off the passage between the oil tank 12 and the main oil pipe 15, preventing the hydraulic oil in the oil tank 12 from entering the main oil pipe 15 during subsequent operations. Then, the operator steps down on the pedal 9 again, causing the rotary valve seat 802 to rotate 45°, thus reopening the manual valve 8; at the same time, the support rod 10 rotates synchronously, the auxiliary wheel 11 contacts the ground again, and lifts the scaffold 1 through leverage, causing the main moving wheel 2 to leave the ground.

[0030] During the swing of pedal 9, the pull rope 17 connected to it is pulled synchronously. After the pull rope 17 changes the direction of force through the guide sleeve 16, it pulls the energy storage piston rod 132 of the energy storage cylinder 13 to move outward. The movement of the energy storage piston rod 132 will drive the piston in the cylinder body 131 to move synchronously, causing the piston to compress the spring 133. At the same time, the volume of the sealed cavity in the cylinder body 131 increases, the pressure decreases, and a negative pressure is formed. Since the passage of oil tank 12 is closed by solenoid valve 14 at this time, in the closed circuit formed by main oil pipe 15 and hydraulic cylinder 5, the hydraulic oil in the rodless chamber of hydraulic cylinder 5 is drawn into the cylinder body 131 of energy storage cylinder 13 through main oil pipe 15, manual valve 8 and branch oil pipe 18 under the action of negative pressure of energy storage cylinder 13. As the hydraulic oil is drawn in, the piston rod of hydraulic cylinder 5 gradually retracts, driving the support pad 7 to move upward until the bottom surface of the support pad 7 is higher than the bottom surface of the main moving wheel 2.

[0031] Once the support platform 7 has moved to the preset height, the operator releases the pedal 9. Under the restoring force of the spring 133, the energy storage piston rod 132 moves in the opposite direction, the pull rope 17 loosens, and the pedal 9 and auxiliary wheel 11 gradually return to their original positions and lift. The rotary valve seat 802 rotates 45° in the opposite direction, and the manual valve 8 closes. After the auxiliary wheel 11 leaves the ground, the weight of the scaffold 1 is transferred to the main moving wheel 2. The main moving wheel 2 contacts the ground, and the operator can push the scaffold 1. The scaffold 1 moves by rolling the main moving wheel 2. After moving to the target position, repeating the operation steps for the stable support condition will allow the scaffold 1 to regain stability.

[0032] This embodiment achieves the switching between stable support and flexible movement of the scaffolding through the above-described structural design and workflow. The linkage design of the manual valve 8 and the pedal 9 simplifies the operation steps and allows the opening and closing of the oil circuit without the need for an additional power source. The setting of the accumulator cylinder 13 utilizes the principle of negative pressure to achieve reverse flow of hydraulic oil, avoiding the problem of needing an additional return oil power source in traditional hydraulic systems, thus reducing the cost and complexity of the device. At the same time, the cooperation between the auxiliary wheel 11 and the support rod 10 provides temporary support for the scaffolding 1 during the switching process, ensuring the safety and stability of the operation. Example

[0033] Based on Embodiment 1, this embodiment has an auxiliary telescopic rod 6 installed longitudinally between the fixed sleeve 3 and the support pad 7. The rest of the structure is consistent with Embodiment 1, and will not be described again here.

[0034] The auxiliary telescopic rod 6 is a multi-section telescopic sleeve. The upper end of the auxiliary telescopic rod 6 is fixed to the bottom of the fixed sleeve 3 by welding or bolts, while the lower end is detachably fixed to the top surface of the support pad 7 by bolts or clips. The auxiliary telescopic rod 6 is distributed parallel to the hydraulic cylinder 5 on both sides or around the support pad 7. During the extension and retraction of the piston rod of the hydraulic cylinder 5, the auxiliary telescopic rod 6 extends and retracts synchronously with the movement of the piston rod. Its main function is to guide the movement direction of the support pad 7, preventing lateral displacement of the support pad 7 during vertical movement. At the same time, the auxiliary telescopic rod 6 can share part of the radial force borne by the support pad 7, making the force on the support pad 7 more even, reducing the bending stress on the piston rod of the hydraulic cylinder 5, and extending the service life of the hydraulic cylinder 5.

[0035] The above description is only a preferred embodiment of the present invention and does not limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A hydraulic jacking scaffold moving device, comprising a scaffold (1) composed of a main frame (101), a working platform (102) and a bottom frame (103), a main moving wheel (2) is installed at the corner of the bottom frame (103) of the scaffold (1), characterized in that, The support moving device is symmetrically arranged on the bottom frame (103), and comprises a fixing sleeve (3) arranged on the bottom frame (103), the fixing sleeves (3) at adjacent corners are connected and fixed through the inclined rods (4), the fixing sleeve (3) is vertically downwardly fixed with the hydraulic cylinder (5), the lower end of the piston rod of the hydraulic cylinder (5) is fixedly installed with the support pad (7), the oil tank (12) is arranged on the scaffold (1), the oil tank (12) is connected with the hydraulic cylinder (5) through the main oil pipe (15), and the manual valve (8) is connected in series on the main oil pipe (15), the rotating valve seat (802) of the manual valve (8) is fixedly installed with the mutually perpendicular pedal (9) and support rod (10), the opening and closing of the manual valve (8) are realized by rotating the rotating valve seat (802) through swinging the pedal (9), and the tail end of the support rod (10) is installed with the auxiliary wheel (11), and the length of the support rod (10) is greater than the height of the bottom frame (103) from the ground. The energy storage oil cylinder (13) is connected in parallel on the main oil pipe (15) through the oil distribution pipe (18), the electromagnetic valve (14) is arranged on the main oil pipe (15) and located at the front end of the oil distribution pipe (18), the energy storage piston rod of the energy storage oil cylinder (13) is connected to the pedal (9) through the pull rope (17), and the pedal (9) is moved by pulling the piston rod of the energy storage oil cylinder (13) through the pull rope (17) when rotating.

2. A hydraulic jacking scaffold moving apparatus according to claim 1, wherein, The energy storage oil cylinder (13) comprises a cylinder body (131), a piston is matched and sleeved in the cylinder body (131), the energy storage piston rod (132) is connected to the end of the energy storage oil cylinder (13) and penetrates the outside of the piston, the spring (133) is arranged in the energy storage oil cylinder (13), the two ends of the spring (133) are fixed to the piston and the inner wall of the energy storage oil cylinder (13) respectively, the front end of the energy storage piston rod (132) is connected with the pull rope (17), and the end of the pull rope (17) is fixedly connected to the pedal (9) after being guided through the guide sleeve (16).

3. A hydraulic jacking scaffold moving apparatus as claimed in claim 1 wherein, The manual valve (8) is fixedly arranged on the inclined rod (4) through the mounting seat, and comprises an inlet valve seat (801), an outlet valve seat (802) and a rotating valve seat (803), the inlet valve seat (801) and the outlet valve seat (802) are fixed on the inclined rod (4), and the rotating valve seat (803) is rotatably sleeved between the two, the inlet valve seat (801) and the outlet valve seat (802) are connected with the oil outlet / inlet of the hydraulic cylinder (5) and the oil tank (12) respectively, and a through hole is formed in the inner end thereof, the rotating valve seat (803) is provided with an oil passing channel (804), the rotating valve seat (803) is rotated by 45° to realize the communication or dislocation of the oil passing channel (804) and the through hole, so that the opening and closing of the manual valve (8) are realized.

4. A hydraulic jacking scaffold moving apparatus as claimed in claim 1 wherein, The working process of the device is as follows: When the scaffold (1) needs to be kept stable, the electromagnetic valve (14) is opened, the manual valve (8) is opened by rotating the rotating valve seat (803) to drive the support rod (10) to rotate and make the auxiliary wheel (11) contact the ground through the downward swing of the pedal (9) and the support rod (10), the scaffold (1) is lifted by the auxiliary wheel (11) and the support rod (10), the main moving wheel (2) is separated from the ground, and in the process, the support pad (7) falls to contact the ground by gravity, the hydraulic oil in the oil tank (12) enters the hydraulic cylinder (5), when the support pad (7) is stable, the pedal (9) and the auxiliary wheel (11) are returned to the original position, the manual valve (8) is closed, the hydraulic cylinder (5) is locked, and the scaffold (1) is supported by the support pad (7); When the scaffold (1) needs to be moved, the electromagnetic valve (14) is closed, the manual valve (8) is opened by rotating the rotating valve seat (803) to drive the support rod (10) to rotate and make the auxiliary wheel (11) contact the ground through the downward swing of the pedal (9) and the support rod (10), the scaffold (1) is lifted by the auxiliary wheel (11) and the support rod (10), in the process, the energy storage piston rod (132) is moved outward to make the pressure in the energy storage cylinder (13) smaller, the hydraulic oil in the hydraulic cylinder (5) is sucked into the energy storage cylinder (13) through the main oil pipe (15) and the oil distribution pipe (18) because the channel of the oil tank (12) is closed by the electromagnetic valve (14), the hydraulic cylinder (5) is retracted to drive the support pad (7) to move upwards to a height higher than the main moving wheel (2), finally, the pedal (9) is returned to the original position, the auxiliary wheel (11) gradually moves away from the ground, the main moving wheel (2) contacts the ground, and the worker moves the scaffold (1) by the main moving wheel (2).

5. A hydraulic jacking scaffold moving apparatus as claimed in claim 1, wherein, The auxiliary telescopic rod (6) is longitudinally arranged between the fixed sleeve (3) and the support pad (7), and cooperates with the telescopic action of the hydraulic cylinder (5) to make the support pad (7) bear force uniformly.

6. A hydraulic jacking scaffold moving apparatus as claimed in claim 4 wherein, The inclined rod (4) is located between the pedal (9) and the support rod (10) and is 45° away from the two, and the pedal (9) is limited to swing 45° by the inclined rod (4) when swinging.

7. A hydraulic jacking scaffold moving apparatus as claimed in claim 4 wherein, The support pad (7) is a steel counterweight, and the weight of the support pad (7) is less than the negative pressure generated in the energy storage cylinder (13) after the energy storage piston rod (132) is moved by the pull rope (17).

8. A hydraulic jacking scaffold moving apparatus as claimed in claim 1, wherein, The inlet valve seat (801) of the manual valve (8) is connected with the oil outlet and the oil inlet of the hydraulic cylinder (5) through the oil pipe, and the outlet valve seat (803) is connected with the oil tank (12) through the main oil pipe (15).

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