Pneumatic hydraulic bolt tensioner pump station

Abstract

This utility model provides a pneumatic hydraulic bolt tensioner pump station, including an oil tank, a support plate, a hydraulic pump body assembly, and a hydraulic valve block assembly. The oil tank stores hydraulic oil. The support plate is sealed and fixed to the opening at the upper end of the oil tank. The hydraulic pump body assembly is located inside the oil tank and fixed to the lower end of the support plate. The hydraulic valve block assembly is fixed to the upper end of the support plate and connected to the hydraulic pump body assembly. The pneumatic hydraulic bolt tensioner pump station also includes a pneumatic motor and a valve assembly. Both the pneumatic motor and the valve assembly are fixed to the upper end of the support plate. The hydraulic pump body assembly is connected to the drive end of the pneumatic motor, and the air inlet end of the pneumatic motor is connected to the air outlet end of the valve assembly. By using a pneumatic motor as the power source to drive the hydraulic pump body assembly, this utility model can effectively improve the explosion-proof performance of the pneumatic hydraulic bolt tensioner pump station, enabling it to be safely used in scenarios with high explosion-proof requirements.

Description

Technical Field

[0001] This utility model relates to the field of hydraulic pump station technology, and more specifically, to a pneumatic hydraulic bolt tensioner pump station. Background Technology

[0002] A hydraulic pump station is a hydraulic device used to provide hydraulic pressure to hydraulically controlled components, such as a hydraulic pump station used to drive a bolt tensioner. Currently, commercially available pump stations for bolt tensioners mainly consist of an oil tank, a support plate, a motor, a hydraulic pump body assembly, and a hydraulic valve block assembly. The oil tank stores hydraulic oil, the support plate is sealed and fixed to the opening at the top of the oil tank, the motor is fixed to the top of the support plate, the hydraulic pump body assembly is located inside the oil tank and fixed to the bottom of the support plate, and the hydraulic pump body assembly is also connected to the output shaft of the motor. The hydraulic valve block assembly is fixed to the top of the support plate and connected to the hydraulic pump body assembly. However, in the above-mentioned bolt tensioner pump station structure, the component used as the power element is the motor. When this bolt tensioner pump station needs to be used in an explosion-proof environment, the presence of the motor makes it difficult to meet explosion-proof requirements, thus posing a significant safety hazard. Utility Model Content

[0003] The technical problem to be solved by this utility model is to provide a pneumatic hydraulic bolt tensioner pump station, which can effectively improve the explosion-proof performance of the pneumatic hydraulic bolt tensioner pump station by using a pneumatic motor as the power source to drive the hydraulic pump body assembly, so that the pneumatic hydraulic bolt tensioner pump station can be safely used in scenarios with high explosion-proof requirements.

[0004] This utility model provides a pneumatic hydraulic bolt tensioner pump station, including an oil tank, a support plate, a hydraulic pump body assembly, and a hydraulic valve block assembly. The oil tank stores hydraulic oil. The support plate is sealed and fixed to the opening at the upper end of the oil tank. The hydraulic pump body assembly is located inside the oil tank and fixed to the lower end of the support plate. The hydraulic valve block assembly is fixed to the upper end of the support plate and connected to the hydraulic pump body assembly. The pneumatic hydraulic bolt tensioner pump station also includes a pneumatic motor and a valve assembly. Both the pneumatic motor and the valve assembly are fixed to the upper end of the support plate. The hydraulic pump body assembly is connected to the drive end of the pneumatic motor, and the air inlet end of the pneumatic motor is connected to the air outlet end of the valve assembly.

[0005] This invention effectively improves the explosion-proof performance of pneumatic hydraulic bolt tensioner pump stations by using a pneumatic motor as the power source for driving the hydraulic pump body components, so that the pneumatic hydraulic bolt tensioner pump stations can be safely used in scenarios with high explosion-proof requirements.

[0006] In one possible implementation, the pneumatic hydraulic bolt tensioner pump station further includes a cooling coil and an exhaust nozzle; the exhaust nozzle is fixed to a support plate, the cooling coil is disposed inside the oil tank and immersed in hydraulic oil, the air inlet of the cooling coil is connected to the air outlet of the pneumatic motor, and the air outlet of the cooling coil is connected to the exhaust nozzle; through the arrangement of the cooling coil and the exhaust nozzle, the compressed air discharged by the pneumatic motor can flow through the cooling coil and be discharged from the exhaust nozzle. When the compressed air flows through the cooling coil, the cooling coil can carry away the heat of the hydraulic oil in the oil tank, thereby achieving heat dissipation of the hydraulic oil to ensure the stable operation of the hydraulic pump body assembly and the hydraulic valve block assembly.

[0007] In one possible implementation, a quick connector is fixed on the support plate; an exhaust pipe is connected to the outlet end of the pneumatic motor, and the end of the exhaust pipe away from the pneumatic motor is engaged with and connected to the upper end of the quick connector; the inlet end of the cooling coil is connected with and connected to the lower end of the quick connector. With this structure, the inlet end of the cooling coil can be reliably connected to the outlet end of the pneumatic motor through the quick connector and the exhaust pipe; and under the action of the quick connector, the end of the exhaust pipe away from the pneumatic motor can be quickly connected to the inlet end of the cooling coil.

[0008] In one possible implementation, the air inlet of the pneumatic motor is connected to the air outlet of the valve assembly via an air inlet pipe. One end of the air inlet pipe is inserted into and connected to the air outlet of the valve assembly, and the other end of the air inlet pipe is inserted into and connected to the air inlet of the pneumatic motor. With this structure, the air inlet of the pneumatic motor can be reliably connected to the air outlet of the valve assembly via the air inlet pipe.

[0009] In one possible implementation, a protective frame is fixed to the upper end of the support plate, and the pneumatic motor and hydraulic valve block assembly are both located inside the protective frame; a handle is formed in the middle of the upper end of the protective frame; by setting up the protective frame, and since the pneumatic motor and hydraulic valve block assembly are both located inside the protective frame, it is possible to effectively prevent the pneumatic motor and hydraulic valve block assembly from being impacted, thereby avoiding damage to the pneumatic motor and hydraulic valve block assembly; in addition, since a handle is formed in the middle of the upper end of the protective frame, the pneumatic hydraulic bolt tensioner pump station can be lifted and moved by the handle, so as to facilitate the movement of the pneumatic hydraulic bolt tensioner pump station.

[0010] In one possible implementation, a winding frame is fixed to the left side of the protective frame, and the air valve assembly is located inside the winding frame. The winding frame is provided with a winding groove. With the winding frame, when the pneumatic hydraulic bolt tensioner pump station is not in use, the hydraulic pipeline used to connect the hydraulic bolt tensioner and the pneumatic hydraulic bolt tensioner pump station can be coiled in the winding groove, which facilitates the storage of the hydraulic pipeline. And since the air valve assembly is located inside the winding frame, it can play a protective role for the air valve assembly to avoid impact damage to the air valve assembly.

[0011] In one possible implementation, shock-absorbing pads are fixed at each corner of the bottom of the oil tank; by setting the shock-absorbing pads, when the pneumatic hydraulic bolt tensioner pump station is placed on the ground and in operation, the shock-absorbing pads can play a role in damping the vibration of the pneumatic hydraulic bolt tensioner pump station and can effectively eliminate the vibration noise of the pneumatic hydraulic bolt tensioner pump station. Attached Figure Description

[0012] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0013] Figure 2 This is a three-dimensional structural diagram of the present invention after removing the protective frame and winding frame;

[0014] Figure 3 for Figure 2 A partial decomposed three-dimensional structure diagram. Detailed Implementation

[0015] First, those skilled in the art should understand that these embodiments are merely used to explain the technical principles of the embodiments of this application and are not intended to limit the scope of protection of the embodiments of this application. Those skilled in the art can make adjustments as needed to adapt to specific application scenarios.

[0016] In the description of the embodiments of this application, it should be noted that, unless otherwise explicitly specified and limited, the terms "connected" and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in the embodiments of this application based on the specific circumstances.

[0017] In the embodiments of this application, unless otherwise expressly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0018] The present application will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0019] See Figure 1-3 As shown in the figure, this application discloses a pneumatic hydraulic bolt tensioner pump station, including an oil tank 1, a support plate 2, a hydraulic pump body assembly 3, and a hydraulic valve block assembly 4. The oil tank 1 is used to store hydraulic oil. The support plate 2 is sealed and fixed at the opening at the upper end of the oil tank 1. The hydraulic pump body assembly 3 is disposed inside the oil tank 1 and fixed to the lower end of the support plate 2. The hydraulic valve block assembly 4 is fixed to the upper end of the support plate 2 and connected to the hydraulic pump body assembly 3. The pneumatic hydraulic bolt tensioner pump station also includes a pneumatic motor 5 and a valve assembly 6. Both the pneumatic motor 5 and the valve assembly 6 are fixed to the upper end of the support plate 2. The hydraulic pump body assembly 3 is connected to the drive end of the pneumatic motor 5, and the air inlet end of the pneumatic motor 5 is connected to the air outlet end of the valve assembly 6.

[0020] The pneumatic hydraulic bolt tensioner pump station also includes a cooling coil 7 and an exhaust nozzle 8. The exhaust nozzle 8 is fixed on the support plate 2. The cooling coil 7 is located inside the oil tank 1 and is immersed in the hydraulic oil. The air inlet of the cooling coil 7 is connected to the air outlet of the pneumatic motor 5, and the air outlet of the cooling coil 7 is connected to the exhaust nozzle 8. Through the cooling coil and the exhaust nozzle, the compressed air discharged by the pneumatic motor can flow through the cooling coil and be discharged from the exhaust nozzle. When the compressed air flows through the cooling coil, the cooling coil can carry away the heat of the hydraulic oil in the oil tank, thereby achieving heat dissipation of the hydraulic oil to ensure the stable operation of the hydraulic pump body assembly and the hydraulic valve block assembly.

[0021] A quick connector 9 is fixed on the support plate 2; an exhaust pipe 10 is connected to the air outlet of the pneumatic motor 5, and the end of the exhaust pipe 10 away from the pneumatic motor 5 is connected to the upper end of the quick connector 9 and conducts through it; the air inlet of the heat sink 7 is connected to the lower end of the quick connector 9 and conducts through it; with this structure, the air inlet of the heat sink can be reliably connected to the air outlet of the pneumatic motor through the quick connector and the exhaust pipe; and under the action of the quick connector, the end of the exhaust pipe away from the pneumatic motor can be quickly connected to the air inlet of the heat sink.

[0022] The air inlet of the pneumatic motor 5 is connected to the air outlet of the valve assembly 6 through the air inlet pipe 11. One end of the air inlet pipe 11 is inserted into and connected to the air outlet of the valve assembly 6, and the other end of the air inlet pipe 11 is inserted into and connected to the air inlet of the pneumatic motor 5. With this structure, the air inlet of the pneumatic motor can be reliably connected to the air outlet of the valve assembly through the air inlet pipe.

[0023] A protective frame 12 is fixed to the upper end of the support plate 2. The pneumatic motor 5 and the hydraulic valve block assembly 4 are both located inside the protective frame 12. A handle 121 is formed in the middle of the upper end of the protective frame 12. By setting the protective frame, and since the pneumatic motor and the hydraulic valve block assembly are both located inside the protective frame, the pneumatic motor and the hydraulic valve block assembly can be effectively prevented from being impacted, so as to avoid damage to the pneumatic motor and the hydraulic valve block assembly. In addition, since a handle is formed in the middle of the upper end of the protective frame, the pneumatic hydraulic bolt tensioner pump station can be lifted and moved by the handle, so as to facilitate the movement of the pneumatic hydraulic bolt tensioner pump station.

[0024] A winding frame 13 is fixed on the left side of the protective frame 12. The air valve assembly 6 is located inside the winding frame 13. The winding frame 13 is provided with a winding groove 131. With the winding frame, when the pneumatic hydraulic bolt tensioner pump station is used up, the hydraulic pipeline used to connect the hydraulic bolt tensioner and the pneumatic hydraulic bolt tensioner pump station can be coiled in the winding groove, which facilitates the storage of the hydraulic pipeline. Since the air valve assembly is located inside the winding frame, it can play a protective role for the air valve assembly to avoid impact damage to the air valve assembly.

[0025] Each corner of the bottom of the oil tank 1 is fixed with a shock-absorbing pad 14; by setting the shock-absorbing pad, when the pneumatic hydraulic bolt tensioner pump station is placed on the ground and is working, the shock-absorbing pad can play a role in damping the shock of the pneumatic hydraulic bolt tensioner pump station and can effectively eliminate the vibration noise of the pneumatic hydraulic bolt tensioner pump station.

[0026] The above description is merely a specific embodiment of this application, but the scope of protection of this application is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this application should be included within the scope of protection of this application. Therefore, the scope of protection of this application should be determined by the scope of the claims.

Claims

1. A pneumatic hydraulic bolt tensioner pump station, comprising an oil tank (1), a support plate (2), a hydraulic pump body assembly (3), and a hydraulic valve block assembly (4); the oil tank (1) is used to store hydraulic oil, the support plate (2) is sealed and fixed at the opening at the upper end of the oil tank (1), the hydraulic pump body assembly (3) is disposed inside the oil tank (1) and fixed at the lower end of the support plate (2), and the hydraulic valve block assembly (4) is fixed at the upper end of the support plate (2) and connected to the hydraulic pump body assembly (3); characterized in that: The pneumatic hydraulic bolt tensioner pump station also includes a pneumatic motor (5) and a valve assembly (6); the pneumatic motor (5) and the valve assembly (6) are both fixed to the upper end of the support plate (2), the hydraulic pump body assembly (3) is connected to the drive end of the pneumatic motor (5), and the air inlet end of the pneumatic motor (5) is connected to the air outlet end of the valve assembly (6).

2. The pneumatic hydraulic bolt tensioner pump station according to claim 1, characterized in that: The pneumatic hydraulic bolt tensioner pump station also includes a heat dissipation coil (7) and an exhaust nozzle (8); the exhaust nozzle (8) is fixed on the support plate (2), the heat dissipation coil (7) is located inside the oil tank (1) and immersed in hydraulic oil, the air inlet of the heat dissipation coil (7) is connected to the air outlet of the pneumatic motor (5), and the air outlet of the heat dissipation coil (7) is connected to the exhaust nozzle (8).

3. The pneumatic hydraulic bolt tensioner pump station according to claim 2, characterized in that: A quick connector (9) is fixed on the support plate (2); an exhaust pipe (10) is connected to the air outlet of the pneumatic motor (5); the end of the exhaust pipe (10) away from the pneumatic motor (5) is connected to the upper end of the quick connector (9) and conducts through; the air inlet of the heat sink coil (7) is connected to the lower end of the quick connector (9) and conducts through.

4. The pneumatic hydraulic bolt tensioner pump station according to any one of claims 1-3, characterized in that: The air inlet of the pneumatic motor (5) is connected to the air outlet of the valve assembly (6) through the air inlet pipe (11). One end of the air inlet pipe (11) is connected to the air outlet of the valve assembly (6) and the other end of the air inlet pipe (11) is connected to the air inlet of the pneumatic motor (5) and the other end of the air inlet pipe (11) is connected to the air inlet of the pneumatic motor (5).

5. The pneumatic hydraulic bolt tensioner pump station according to any one of claims 1-3, characterized in that: The upper end of the support plate (2) is fixed with a protective frame (12), and the pneumatic motor (5) and the hydraulic valve block assembly (4) are both located inside the protective frame (12); a handle (121) is formed in the middle of the upper end of the protective frame (12).

6. The pneumatic hydraulic bolt tensioner pump station according to claim 5, characterized in that: A winding frame (13) is fixed on the left side of the protective frame (12), and the air valve assembly (6) is located inside the winding frame (13). A winding groove (131) is provided on the winding frame (13).

7. The pneumatic hydraulic bolt tensioner pump station according to any one of claims 1-3 or 6, characterized in that: Shock-absorbing pads (14) are fixed at each corner of the bottom of the oil tank (1).

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