A construction equipment

Abstract

A construction equipment includes a block and a driving part; the driving part is provided on the block; the block includes a main body, an inlet, a left outlet, a right outlet, and a lower pressure relief port; a valve core is provided in the block, and the driving part can drive the valve core to rotate; the valve core includes a main channel, a filling channel, a left bending section, a left output section, a right bending section, a right output section, a first pressure relief channel, a second pressure relief channel, and a balanced flow storage channel.

Description

Technical Field

[0001] The present invention relates to the field of bridge rotation construction, and in particular to a construction equipment. Background Art

[0002] With the rapid development of urban transportation in my country, the development of grade separations has become an inevitable trend. This is especially true when constructing new bridges over existing highways and railways. The construction process is not only restricted by the operational constraints of existing lines but also poses significant risks to their safety. To address this, rotating bridge construction technology has emerged and has rapidly developed in recent years. Its core technology has become a key factor in ensuring project quality and construction safety. Bridge rotation construction significantly reduces overhead work, eases construction difficulty, minimizes disruption to traffic below, and improves construction efficiency and safety. During rotation preparation and construction, various testing and monitoring methods are utilized to capture real-time data. This data is tracked and analyzed, providing feedback on elevations and internal forces at each subsequent stage. This data is used to guide and control the bridge rotation process, ensuring that the bridge's alignment and internal forces meet design requirements and enabling the smooth completion of the bridge rotation.

[0003] CN108252226A discloses a lateral torsion identification device for bridge rotation construction (see Figure 1 ), including trapezoidal electrode tubes installed on both sides of the box girder, multiple detection electrodes with trapezoidal insertion depths installed in the trapezoidal electrode tubes, the trapezoidal electrode tubes below the detection electrodes are filled with conductive liquid, and a path electrode that is often immersed in the conductive liquid is also installed in the trapezoidal electrode tubes, the detection electrodes with different insertion depths are respectively connected to external warning lights, and the other end of the warning light is connected to a power supply to form a loop, and a switch is provided on the loop; the two trapezoidal electrode tubes on both sides of the box girder form a U-shaped tube structure through a conduit, and the liquid levels of the conductive liquid in the two trapezoidal electrode tubes are maintained at the same horizontal plane. When the box girder undergoes torsional deformation, the liquid level of the conductive liquid in the trapezoidal electrode tubes rises or falls relatively, causing different warning lights to light up.

[0004] However, in actual engineering practice, there are the following problems:

[0005] First, in the prior art, when liquid is filled into the electrode tube through a valve, it is not easy to accurately control the filling amount due to the long total length of the pipeline.

[0006] Second, the existing technology uses a large number of parts by using a three-way pipe and a valve to work together.

[0007] 3. In the prior art, different channels in the valve play different roles, and it is impossible to achieve linkage between the functions of multiple channels.

[0008] Fourth, in the prior art, when there are too many channels inside the valve core, it will be messy and difficult to arrange.

[0009] 5. In the above-mentioned technology, since there are two electrode tubes, if there are different paths between the two electrode tubes and the filling end, the two electrode tubes cannot maintain the same liquid level. Summary of the Invention

[0010] In order to overcome the above problems, the present invention proposes a solution to solve the above multiple problems at the same time.

[0011] The technical solution adopted by the present invention to solve the technical problem is as follows: a construction equipment, including a block and a driving unit; the driving unit is provided on the block; the block includes a main body, an inlet, a left outlet, a right outlet, and a lower pressure relief port; a valve core is provided in the block, and the driving unit can drive the valve core to rotate; the valve core includes a main channel, a filling channel, a left bending section, a left output section, a right bending section, a right output section, a first pressure relief channel, a second pressure relief channel, and a balanced flow storage channel;

[0012] When the driving unit drives the valve core to rotate to the first state, the inlet is connected to the main channel, and the charging channel is connected above the main channel. The left end of the charging channel is provided with a left bending section, and the right end is provided with a right bending section. The upper part of the left bending section is connected to the left output section, and the upper part of the right bending section is connected to the right output section; the left outlet is connected to the left output section, and the right outlet is connected to the right output section. The upper part of the left bending section is connected to the first pressure relief channel, and the lower part of the left bending section is connected to the second pressure relief channel. The diameters of the first and second pressure relief channels are smaller than the diameter of the charging channel, and the first and second pressure relief channels are staggered in the horizontal direction; the balancing flow storage channel is provided below the right bending section, and the diameter of the balancing flow storage channel is larger than the diameters of the first and second pressure relief channels;

[0013] When the driving unit drives the valve core to rotate to the second state, the inlet is located below the main body, the lower pressure relief port is located to the right of the inlet, the left outlet is connected to the second pressure relief channel, the right outlet is connected to the first pressure relief channel, and the right output section is connected to the lower pressure relief port;

[0014] When the driving unit drives the valve core to rotate to the third state, the left outlet, the right outlet and the inlet are not connected; the left outlet, the right outlet and the lower pressure relief port are not connected, and the first pressure relief channel is connected to the lower pressure relief port to discharge the liquid remaining in the valve core;

[0015] When the construction equipment is not in use, the lower pressure relief port is closed by a screw plug.

[0016] Preferably, in the first state, the filling channel is located in the upper half of the valve core.

[0017] Preferably, the length of the first pressure relief channel is smaller than the length of the second pressure relief channel.

[0018] Preferably, the diameter of the balanced flow storage channel is larger than the diameter of the right bending section.

[0019] Preferably, the diameter of the balanced flow storage channel is smaller than the diameter of the right bending section.

[0020] Preferably, the diameters of the first and second pressure relief channels are the same.

[0021] Preferably, the valve core is a valve ball, and the driving part is a driving motor.

[0022] Preferably, in the second state, the upper end of the second pressure relief channel is aligned with the upper end of the left outlet.

[0023] Preferably, in the second state, the lower end of the second pressure relief channel is not aligned with the lower end of the left outlet.

[0024] Preferably, in the second state, the upper end of the first pressure relief channel is not aligned with the upper end of the right outlet.

[0025] The beneficial effects of the present invention are:

[0026] Point 1 of the invention: In response to the first point raised in the background technology, a pressure relief channel is provided in the valve. When the valve core rotates to the first position, filling can be achieved. In the second position, pressure relief can be achieved. In the third position, the valve is closed and not connected to any passage. Since the pressure relief channel is provided and has a smaller size, when overfilled, the pressure can be slowly relieved, thereby achieving precise control of the liquid level in the electrode tube.

[0027] Invention point 2: In response to the second point raised in the background technology, the valve and the three-way pipe are integrated into one, which simplifies the structure and improves the degree of automation.

[0028] Inventive Point 3: Addressing the third point raised in the background art, the pressure relief channel is connected to the filling channel. This allows the filling channel to function as part of the pressure relief path during pressure relief, maintaining a reasonable liquid level after pressure relief. When the valve is closed, the first pressure relief channel communicates with the lower pressure relief port, draining any remaining liquid within the valve and preventing freezing outdoors in winter. When not in use, the lower pressure relief port can be sealed with a screw plug, thereby achieving linkage between the multiple channel functions.

[0029] Point 4 of the invention: In response to the fourth point raised in the background technology, a bending portion is provided on the filling channel. The degree of bending of the bending portion can adapt to the position of the pressure relief channel, that is, in the two states of valve core rotation, the two channels can be rotated to the same position, so that the two outlets on the valve body can be aligned with the filling channel or the pressure relief channel in both states of the valve core.

[0030] Invention Point 5: The fifth point proposed in response to the background technology, in the first state, Figure 3There are two additional pressure relief channels on the left side of the filling channel, which leads to left-right asymmetry or asymmetry of the liquid level of the downstream electrode tube. Figure 3 An additional balancing flow storage channel is set below the filling channel on the right to balance the total size of the left and right flow paths and ensure the liquid level balance of the two downstream electrode tubes. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] The present invention will be further described below with reference to the accompanying drawings and examples.

[0032] Figure 1 Schematic diagram of a background technology monitoring device.

[0033] Figure 2 This is an appearance diagram of the block of the present invention.

[0034] Figure 3 This is a cross-sectional view of the valve of the present invention in the first state.

[0035] Figure 4 This is a cross-sectional view of the valve of the present invention in the second state.

[0036] Figure 5 It is a cross-sectional view of the valve of the present invention in the third state.

[0037] In the figures, the reference numerals are as follows:

[0038] 1. Block; 2. Drive unit; 3. Main body; 4. Valve core; 5. Inlet; 6. Left outlet; 7. Right outlet; 8. Lower pressure relief port; 9. Main channel; 10. Filling channel; 11. Left bending section; 12. Left output section; 13. Right bending section; 14. Right output section; 15. First pressure relief channel; 16. Second pressure relief channel; 17. Balanced flow storage channel. DETAILED DESCRIPTION

[0039] As shown in the figure: a construction equipment includes a block and a drive unit; the block is provided with the drive unit; the block includes a main body, an inlet, a left outlet, a right outlet, and a lower pressure relief port; a valve core is provided in the block, and the drive unit can drive the valve core to rotate; the valve core includes a main channel, a filling channel, a left bending section, a left output section, a right bending section, a right output section, a first pressure relief channel, a second pressure relief channel, and a balanced flow storage channel;

[0040] When the driving unit drives the valve core to rotate to the first state, the inlet is connected to the main channel, and the charging channel is connected above the main channel. The left end of the charging channel is provided with a left bending section, and the right end is provided with a right bending section. The upper part of the left bending section is connected to the left output section, and the upper part of the right bending section is connected to the right output section; the left outlet is connected to the left output section, and the right outlet is connected to the right output section. The upper part of the left bending section is connected to the first pressure relief channel, and the lower part of the left bending section is connected to the second pressure relief channel. The diameters of the first and second pressure relief channels are smaller than the diameter of the charging channel, and the first and second pressure relief channels are staggered in the horizontal direction; the balancing flow storage channel is provided below the right bending section, and the diameter of the balancing flow storage channel is larger than the diameters of the first and second pressure relief channels;

[0041] When the driving unit drives the valve core to rotate to the second state, the inlet is located below the main body, the lower pressure relief port is located to the right of the inlet, the left outlet is connected to the second pressure relief channel, the right outlet is connected to the first pressure relief channel, and the right output section is connected to the lower pressure relief port;

[0042] When the driving unit drives the valve core to rotate to the third state, the left outlet, the right outlet and the inlet are not connected; the left outlet, the right outlet and the lower pressure relief port are not connected, and the first pressure relief channel is connected to the lower pressure relief port to discharge the liquid remaining in the valve core;

[0043] When the construction equipment is not in use, the lower pressure relief port is closed by a screw plug.

[0044] As shown in the figure: in the first state, the filling channel is located in the upper half of the valve core. The length of the first pressure relief channel is smaller than the length of the second pressure relief channel. The diameter of the balanced flow storage channel is larger than the diameter of the right bend section. The diameter of the balanced flow storage channel is smaller than the diameter of the right bend section. The diameters of the first and second pressure relief channels are the same. The valve core is a valve ball, and the driving part is a driving motor. In the second state, the upper end of the second pressure relief channel is aligned with the upper end of the left outlet. In the second state, the lower end of the second pressure relief channel is not aligned with the lower end of the left outlet. In the second state, the upper end of the first pressure relief channel is not aligned with the upper end of the right outlet.

[0045] The above detailed description is a specific description of a feasible embodiment of the present invention. The embodiment is not intended to limit the patent scope of the present invention. Any equivalent implementation or modification that does not depart from the present invention should be included in the patent scope of this case.

Claims

1. A construction equipment, characterized in that: The block includes a block and a driving part; the driving part is provided on the block; the block includes a main body, an inlet, a left outlet, a right outlet, and a lower pressure relief port; a valve core is provided in the block, and the driving part can drive the valve core to rotate; the valve core includes a main channel, a filling channel, a left bending section, a left output section, a right bending section, a right output section, a first pressure relief channel, a second pressure relief channel, and a balanced flow storage channel; When the driving unit drives the valve core to rotate to the first state, the inlet is connected to the main channel, and the charging channel is connected above the main channel. The left end of the charging channel is provided with a left bending section, and the right end is provided with a right bending section. The upper part of the left bending section is connected to the left output section, and the upper part of the right bending section is connected to the right output section; the left outlet is connected to the left output section, and the right outlet is connected to the right output section. The upper part of the left bending section is connected to the first pressure relief channel, and the lower part of the left bending section is connected to the second pressure relief channel. The diameters of the first and second pressure relief channels are smaller than the diameter of the charging channel, and the first and second pressure relief channels are staggered in the horizontal direction; the balancing flow storage channel is provided below the right bending section, and the diameter of the balancing flow storage channel is larger than the diameters of the first and second pressure relief channels; When the driving unit drives the valve core to rotate to the second state, the inlet is located below the main body, the lower pressure relief port is located to the right of the inlet, the left outlet is connected to the second pressure relief channel, the right outlet is connected to the first pressure relief channel, and the right output section is connected to the lower pressure relief port; When the driving unit drives the valve core to rotate to the third state, the left outlet, the right outlet and the inlet are not connected; the left outlet, the right outlet and the lower pressure relief port are not connected, and the first pressure relief channel is connected to the lower pressure relief port to discharge the liquid remaining in the valve core; When the construction equipment is not in use, the lower pressure relief port is closed by a screw plug.

2. A construction equipment according to claim 1, characterized in that: In the first state, the filling channel is located in the upper half of the valve core.

3. A construction equipment according to claim 1, characterized in that: The length of the first pressure relief channel is smaller than the length of the second pressure relief channel.

4. A construction equipment according to claim 1, characterized in that: The diameter of the balanced flow storage channel is larger than the diameter of the right bending section.

5. The construction equipment according to claim 1, characterized in that: The diameter of the balanced flow storage channel is smaller than the diameter of the right bending section.

6. The construction equipment according to claim 1, characterized in that: The diameters of the first and second pressure relief channels are the same.

7. The construction equipment according to claim 1, characterized in that: The valve core is a valve ball, and the driving part is a driving motor.

8. The construction equipment according to claim 1, characterized in that: In the second state, the upper end of the second pressure relief passage is aligned with the upper end of the left outlet.

9. The construction equipment according to claim 8, characterized in that: In the second state, the lower end of the second pressure relief passage is not aligned with the lower end of the left outlet.

10. The construction equipment according to claim 1, characterized in that: In the second state, the upper end of the first pressure relief passage is not aligned with the upper end of the right outlet.

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