Pipeline structure of multi-oil-cylinder hydraulic station, hydraulic station and filter press

Abstract

The utility model discloses a pipeline structure of a multi-oil-cylinder hydraulic station, the hydraulic station and a filter press, and belongs to the technical field of hydraulic stations. The liquid filling valve comprises a liquid filling valve body and a plurality of branch hard pipes, the liquid inlet end of the liquid filling valve body is used for being connected with the liquid outlet end of the multi-oil-cylinder hydraulic station, a liquid filling valve seat is arranged at the liquid outlet end of the liquid filling valve body, a plurality of liquid outlet connectors are arranged on the circumferential side face of the liquid outlet end of the liquid filling valve seat, and one ends of the branch hard pipes are connected to the liquid outlet connectors. The other end of the branch hard pipe is connected with the oil cylinder liquid inlet end through a hose. The adaptability of the hydraulic station and the oil cylinder installation position can be effectively improved, and meanwhile the leakage risk and the maintenance difficulty are reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to hydraulic station technical field especially relates to a kind of pipeline structure of multi-oil cylinder hydraulic station, hydraulic station and filter press. BACKGROUND

[0002] At present, the hydraulic station applied to multiple oil cylinders usually adopts a horizontal or vertical arrangement of liquid distribution pipe for oil distribution. For example, the Chinese utility model patent with the patent number ZL202020916756.1 discloses a kind of digital servo hydraulic machine hydraulic station, including the horizontal support table installed at the top of digital servo hydraulic machine, the table top of horizontal support table has the cuboid-shaped oil storage shell, the top of oil storage shell has hydraulic pipeline and liquid filling pipe, one end of liquid filling pipe is communicated with oil storage shell, the other end of liquid filling pipe is connected with liquid filling valve for being connected with the main cylinder of digital servo hydraulic machine.

[0003] As described above, the existing hydraulic station has poor adaptability to the installation position of oil cylinder, and has high risk of leakage and high maintenance difficulty. UTILITY MODEL CONTENTS

[0004] The utility model aims at solving the problems existing in the prior art, and provides a kind of pipeline structure of multi-oil cylinder hydraulic station, hydraulic station and filter press, which can effectively improve the adaptability of hydraulic station to the installation position of oil cylinder, while reducing the risk of leakage and maintenance difficulty.

[0005] The utility model aims at solving the problems existing in the prior art, and provides a kind of pipeline structure of multi-oil cylinder hydraulic station, hydraulic station and filter press, which can effectively improve the adaptability of hydraulic station to the installation position of oil cylinder, while reducing the risk of leakage and maintenance difficulty.

[0006] A kind of pipeline structure of multi-oil cylinder hydraulic station, including liquid filling valve and multiple branch hard pipes, the liquid inlet end of liquid filling valve is used to connect the liquid outlet end of the multi-oil cylinder hydraulic station, the liquid outlet end of liquid filling valve is equipped with liquid filling valve seat, multiple liquid outlet interfaces are equipped on the circumferential side of the liquid outlet end of liquid filling valve seat, one end of branch hard pipe is connected to liquid outlet interface, the other end of branch hard pipe is used to connect the liquid inlet end of oil cylinder by hose.

[0007] As preferred, the branch hard pipe is a metal pipe, and the branch hard pipe is welded to the liquid outlet interface.

[0008] As preferred, the branch hard pipe sequentially includes an integrally formed outlet connecting section, a redirection section and an extension section, and the outlet connecting section is connected to the liquid outlet interface.

[0009] As preferred, the redirection section is a 1 / 4 circular arc section.

[0010] As preferred, multiple branch hard pipes are arranged radially symmetrically along the liquid filling valve seat.

[0011] As preferred, the multi-oil cylinder hydraulic station is provided with a support table, a support block is arranged between the support table and the liquid filling valve seat, and a first positioning clamp for fixing the liquid filling valve seat is arranged on the support block.

[0012] As preferred, the multi-oil-cylinder hydraulic station side is provided with a positioning plate, and the positioning plate is provided with a second positioning hoop for fixing the branch hard pipe.

[0013] As preferred, the multi-oil-cylinder hydraulic station is provided with an integrated butterfly valve and a rubber soft connection damping joint, and the liquid outlet end of the multi-oil-cylinder hydraulic station is sequentially connected to the liquid inlet end of the liquid filling valve through the integrated butterfly valve and the rubber soft connection damping joint.

[0014] The utility model also provides a kind of hydraulic station, including oil tank, hydraulic pump, motor, the liquid outlet end of the hydraulic pump is equipped with the pipeline structure of one kind of multi-oil-cylinder hydraulic station as described above.

[0015] The utility model also provides a kind of filter press, including rack, pressing mechanism, filter mechanism, the pressing mechanism is equipped with multiple oil cylinders, and further including one kind of hydraulic station as described above, and the liquid outlet end of the hydraulic station is connected to the liquid inlet end of multiple oil cylinders.

[0016] The utility model has the advantages of:

[0017] 1、Space adaptability is strong: by being provided with multiple liquid outlet interfaces on the circumferential side of liquid filling valve seat, the demand of pipe connection in each direction can be met, so as to improve the adaptability with the installation position of oil cylinder, support the up and down, left and right or staggered arrangement of hydraulic station and oil cylinder;

[0018] 2、Structure is simplified: one liquid filling valve seat is used to connect multiple branch hard pipes, so as to simplify pipeline structure, reduce pipeline connection point, so as to reduce leakage risk and maintenance difficulty;

[0019] 3、Economical and aesthetic: since pipeline structure is simplified, material cost is reduced;Meanwhile, branch hard pipe is connected from one liquid filling valve seat, pipeline is more concentrated and neat, not only saves space, but also makes overall appearance simple;

[0020] 4、Structural stability: first positioning hoop and second positioning hoop are used to fix liquid filling valve seat and branch hard pipe respectively, so as to effectively guarantee the stability of pipeline structure, and be more vibration-resistant and durable. ACCURACY OF DRAWINGS

[0021] Figure 1 It is a structure schematic view of the pipeline structure of the multi-oil-cylinder hydraulic station provided by the embodiment of the present specification;

[0022] Figure 2 It is a structure schematic view of the pipeline structure of the multi-oil-cylinder hydraulic station provided by the embodiment of the present specification; Figure 1 It is an enlarged structure schematic view of A in the middle;

[0023] Figure 3 It is a front view of the pipeline structure of the multi-oil-cylinder hydraulic station provided by the embodiment of the present specification;

[0024] Figure 4 A top view of the piping structure of a multi-cylinder hydraulic station provided in the embodiments of this specification;

[0025] In the diagram: 1-Hydraulic station; 11-Support platform; 2-Integrated butterfly valve; 3-Rubber flexible connection vibration damping joint; 4-Filling valve; 41-Filling valve seat; 5-Branch rigid pipe; 51-Outlet section; 52-Redirection section; 53-Extension section; 6-Hose; 71-Support block; 72-First positioning clamp; 81-Positioning plate; 82-Second positioning clamp. Detailed Implementation

[0026] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0027] As mentioned in the background section, existing hydraulic power units, when used with multiple cylinders, typically connect a corresponding number of filling pipes horizontally or vertically from the hydraulic power unit based on the number of cylinders. Each filling pipe has a filling valve at its end, and a pipeline is then connected between each filling valve and the cylinder. On the one hand, the direction of the filling pipes is relatively fixed, limiting their adaptability to the cylinder installation position; on the other hand, each filling pipe requires a filling valve, leading to an increase in the number of interfaces, thereby increasing the risk of leakage and maintenance difficulty.

[0028] Therefore, such as Figures 1-4 As shown, this embodiment provides a piping structure for a multi-cylinder hydraulic station, including an integrated butterfly valve 2, a rubber flexible connection vibration damping joint 3, a filling valve 4, and multiple branch rigid pipes 5. The outlet end of the multi-cylinder hydraulic station 1, the integrated butterfly valve 2, the rubber flexible connection vibration damping joint 3, and the filling valve 4 are connected sequentially. The outlet end of the filling valve 4 is provided with a filling valve seat 41, and multiple outlet ports are provided on the circumferential side of the outlet end of the filling valve seat 41. One end of the branch rigid pipe 5 is connected to the outlet port, and the other end of the branch rigid pipe 5 is used to connect to the inlet end of the cylinder through a hose 6. The filling valve seat 41 is horizontally arranged, and its outlet end extends out of the support platform 11 of the multi-cylinder hydraulic station 1, so that the branch rigid pipes 5 extending from its circumferential side can avoid interference with the support platform 11, and can be connected from any angle on the circumferential side of the filling valve seat 41 to meet the connection requirements of cylinders in different positions. Thus, on the one hand, the multiple branch hard pipes 5 in this embodiment can be connected from any angle on the circumferential side of the filling valve seat 41, which effectively improves the adaptability to the cylinder installation position and supports the vertical, horizontal or staggered arrangement of the hydraulic station and the cylinder; on the other hand, by using only one filling valve seat 41 to connect multiple branch hard pipes 5, the number of interfaces is effectively reduced, thereby reducing the risk of leakage and the difficulty of maintenance.

[0029] Specifically, four branch hard pipes 5 are adopted in this embodiment to match the use of four oil cylinders, and of course other numbers of branch hard pipes can be adopted according to actual needs, such as 5, 8, 9 or 16. Correspondingly, the number of liquid outlet interfaces is generally four, which is the same as the number of branch hard pipes, to ensure simple structure and control costs. Of course, for some scenarios with temporary expansion of the number of oil cylinder connections, more liquid outlet interfaces can be pre-opened on the liquid filling valve seat 41, and the excess standby liquid outlet interfaces are sealed by means of sealing covers, etc., to quickly meet the use requirements of more oil cylinders when necessary.

[0030] In order to ensure the sealing of the connection between the branch hard pipe 5 and the liquid filling valve seat 41, the branch hard pipe 5 adopts a metal pipe, which can be a seamless steel pipe, and a welding connection is adopted between the branch hard pipe 5 and the liquid outlet interface. The specific welding method can be argon arc welding.

[0031] In order to further improve the adaptability of the branch hard pipe 2 to the installation position of the oil cylinder, the branch hard pipe 5 sequentially includes an integrated outlet connecting section 51, a redirection section 52 and an extension section 53. The outlet connecting section 51 connects the liquid outlet interface, and the redirection section 52 is in a circular arc shape and can be cold-bent to form. By providing the redirection section, the branch hard pipe 5 connected from the liquid filling valve seat 41 at an arbitrary angle in the circumferential direction can be further adjusted in the extension direction to further improve the adaptability to the installation position of the oil cylinder. The bending direction and angle of the redirection section 52 can be designed according to the installation position of the oil cylinder.

[0032] Specifically, in this embodiment, in order to adapt to the oil cylinder below, the outlet connecting section 51 is a horizontal section, the redirection section 52 is a downwardly curved 1 / 4 circular arc section, and the extension section 53 is a vertical section, so that the branch hard pipe 5 horizontally connected from the liquid filling valve seat 41 is bent by 90° and then extends downward to connect the oil cylinder below. Of course, if the oil cylinder is above, in front or in other directions, the branch hard pipe can be bent upward, forward or in other corresponding directions to adapt to the installation position of the oil cylinder as much as possible to facilitate the connection of the pipeline.

[0033] Further, under the premise that the four oil cylinders adapted in this embodiment are all below, two branch hard pipes 5 are arranged on the left and right sides of the liquid filling valve seat 41 respectively, and the four branch hard pipes 5 are arranged along the vertical diameter of the liquid filling valve seat 41 in a symmetrical manner, thereby forming a "multi-claw" symmetrical radial layout with the liquid filling valve seat 41 as the center. On the one hand, the structure is more compact, not only saving space, but also improving the simplicity of the appearance; on the other hand, the symmetrical design makes the entire pipeline structure more balanced in stress when working, which can effectively improve the structural stability and be more resistant to vibration and durable.

[0034] In addition, since the four branch hard pipes 5 are connected to the liquid filling valve seat 41, the liquid filling valve seat 41 needs to bear the gravity of the branch hard pipes 5 and the impact force of the oil liquid during work, so that the support block 71 is arranged between the support table 11 and the liquid filling valve seat 41, and the first positioning hoop 72 for fixing the liquid filling valve seat 41 is arranged on the support block 71. Meanwhile, in order to ensure the stability of the branch hard pipes 5 and avoid excessive shearing force at the welding position of the branch hard pipes 5 and the liquid filling valve seat 41, the positioning plate 81 is arranged on the side of the support table 11 and on both sides of the liquid filling valve seat 41, and each positioning plate 81 is fixedly connected to the two branch hard pipes 5 on the same side through the second positioning hoop 82.

[0035] The embodiment also provides a hydraulic station, which mainly comprises an oil tank, a hydraulic pump, a motor, and a pipeline structure of a multi-oil-cylinder hydraulic station as described above.

[0036] The embodiment also provides a filter press, which comprises a rack, a pressing mechanism, a filtering mechanism, and a hydraulic station as described above.

[0037] The above is only a preferred specific implementation manner of the utility model, which is an implementation manner based on the overall concept of the utility model, and the protection scope of the utility model is not limited to this. Any person skilled in the art can easily think of changes or replacements within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model. Therefore, the protection scope of the utility model should be subject to the protection scope of the claims.

Claims

1. A piping structure of a multi-oil-cylinder hydraulic station, characterized by comprising: The pipe structure of the multi-oil-cylinder hydraulic station comprises a liquid filling valve and a plurality of branch hard pipes, the liquid inlet end of the liquid filling valve is connected to the liquid outlet end of the multi-oil-cylinder hydraulic station, the liquid outlet end of the liquid filling valve is provided with a liquid filling valve seat, a plurality of liquid outlet interfaces are arranged on the circumferential side of the liquid outlet end of the liquid filling valve seat, one end of the branch hard pipe is connected to the liquid outlet interface, and the other end of the branch hard pipe is used to connect the liquid inlet end of the oil cylinder through a hose.

2. The piping structure of a multi-oil cylinder hydraulic station according to claim 1, characterized by The branch hard pipe is a metal pipe, and the branch hard pipe is welded to the liquid outlet interface.

3. The piping structure of a multi-oil cylinder hydraulic station according to claim 1, characterized by The branch hard pipe comprises an integrated outlet connecting section, a redirection section and an extension section in sequence, and the outlet connecting section is connected to the liquid outlet interface.

4. A piping structure of a multi-oil cylinder hydraulic station according to claim 3, characterized by The redirection section is a 1 / 4 circular arc section.

5. The piping structure of a multi-oil cylinder hydraulic station according to claim 1, wherein The plurality of branch hard pipes are arranged radially symmetrically along the liquid filling valve seat.

6. The piping structure of a multi-oil cylinder hydraulic station according to claim 1, wherein The multi-oil-cylinder hydraulic station is provided with a support table, a support block is arranged between the support table and the liquid filling valve seat, and a first positioning hoop for fixing the liquid filling valve seat is arranged on the support block.

7. The piping structure of a multi-oil cylinder hydraulic station according to claim 1, wherein A positioning plate is arranged on the side of the multi-oil-cylinder hydraulic station, and a second positioning hoop for fixing the branch hard pipe is arranged on the positioning plate.

8. The piping structure of a multi-oil cylinder hydraulic station according to claim 1, characterized by The pipe structure of the multi-oil-cylinder hydraulic station comprises an integrated butterfly valve and a rubber soft connection damping joint, and the liquid outlet end of the multi-oil-cylinder hydraulic station is sequentially connected to the liquid inlet end of the liquid filling valve through the integrated butterfly valve and the rubber soft connection damping joint.

9. A hydraulic station comprising an oil tank, a hydraulic pump, an electric motor, characterized in that, The liquid outlet end of the hydraulic pump is provided with a pipe structure of a multi-oil-cylinder hydraulic station as claimed in any one of claims 1-8.

10. A filter press comprising a frame, a compression mechanism, a filtration mechanism, the compression mechanism being provided with a plurality of oil cylinders, characterized in that, The hydraulic station as claimed in claim 9 is further provided, and the liquid outlet end of the hydraulic station is connected to the liquid inlet end of the plurality of oil cylinders.

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