CN105775930A - Double-reel hydraulic oil pipe transportation device - Google Patents

Abstract

A double-drum hydraulic oil pipe delivery device, which relates to a hydraulic power transmission device, includes a main shaft, an oil delivery line part and an oil return line part that can independently rotate around the main shaft, and a high-pressure oil line for connecting with an external hydraulic power source and a high-pressure oil line inside the main shaft. The oil return pipeline, the oil delivery pipeline part transmits the high-pressure hydraulic oil of the hydraulic power source to the hydraulic drive unit through the oil delivery channel connected to the high-pressure oil pipeline set inside it, and the oil delivery hose coiled outside it, and the oil return pipeline part passes through The oil return passage communicated with the oil return pipeline inside and the oil return hose coiled outside return the hydraulic oil of the hydraulic drive unit to the hydraulic power source. The invention can conveniently transport the high-pressure hydraulic oil of the hydraulic power source to the hydraulic drive unit that is far away, frequently changed or temporarily arranged, and at the same time can return the hydraulic oil of the hydraulic drive unit to the hydraulic power source.

Description

A double-drum hydraulic oil pipe conveying device

technical field

The invention relates to a hydraulic power transmission device, in particular to a hydraulic oil pipe delivery device capable of sending high-pressure hydraulic oil to a remote, frequently changing location or temporarily arranged hydraulic drive unit.

Background technique

In industrial production, due to the needs of the market, the processed products of the enterprise will constantly change, and the production process will also be adjusted in real time. Some production links often use hydraulic tooling, hydraulic fixtures or hydraulic equipment, and they are not equipped with hydraulic oil pumps. In this case, it is necessary to connect external hydraulic lines to the hydraulic power source, and high-pressure hydraulic oil from other hydraulic stations is required as the power of its own hydraulic drive unit. Due to the limitation of production conditions and environmental conditions, the hydraulic stations may be far apart. At this time, a set of hydraulic pipelines that can be used at any time and can be moved is needed to connect the hydraulic power source. Based on this, the present invention provides a The utility model relates to a double-reel hydraulic oil pipe conveying device.

Contents of the invention

The purpose of the present invention is to provide a set of hydraulic oil pipeline transmission device which is easy to install and use, safe and reliable for the hydraulic driving components which need high-pressure hydraulic oil as hydraulic power in each production link.

The present invention is achieved through the following technical solutions: a double-drum hydraulic oil pipe delivery device, including a main shaft, a high-pressure hydraulic oil output pipeline part and a hydraulic oil return pipeline part that can independently rotate around the main shaft, the main shaft is fixed, and its There are high-pressure oil pipelines and oil return pipelines for connecting with external hydraulic power sources inside;

The high-pressure hydraulic oil output pipeline part includes a high-pressure reel and a high-pressure oil winch jacket. The high-pressure oil winch jacket is rotatably installed on the main shaft and can drive the external high-pressure drum to rotate around the main shaft together. The high-pressure oil winch jacket is arranged along its radial direction. There is an oil outlet pipe joint, the oil outlet pipe joint communicates with the annular high-pressure oil groove set on the inner wall of the high-pressure oil winch casing, the annular high-pressure oil groove communicates with the high-pressure oil pipeline inside the main shaft, and the oil outlet pipe joint is connected with the high-pressure oil delivery hose wound on the high-pressure reel In order to deliver high-pressure hydraulic oil to the hydraulic drive unit, there are two branch oil ports on the oil return pipeline in the main shaft, and the two branch oil ports are used for the connection between the two when the high-pressure hydraulic oil output line rotates around the main shaft. Lubricate the contact parts;

The hydraulic oil return pipeline part includes an oil return reel and an oil return reel jacket. The oil return reel jacket is rotatably installed on the main shaft and can drive the external oil return reel to rotate around the main shaft together. The internal oil return pipeline communicates with the oil return passage, and the oil return passage is connected with the hydraulic oil return hose wound on the oil return reel to return the hydraulic oil of the hydraulic drive unit to the hydraulic power source.

Further, a scroll spring I is provided inside the high-pressure reel, and the two ends of the scroll spring I are respectively fixed on the main shaft and the high-pressure reel, so as to use the elastic force of the scroll spring I to rewind the high-pressure reel so that The high-pressure oil delivery hose retracts automatically.

The two branch oil ports are respectively arranged on both sides of the ring-shaped high-pressure oil tank. The two branch oil ports in the high-pressure oil winch jacket are respectively fixed with a high-pressure oil winch sealing gland, and the two high-pressure oil winch sealing glands are connected to each other. The sealing ring installed on the top prevents hydraulic oil from leaking axially from the two branch oil ports.

The oil return drum is provided with a scroll spring II inside, and the two ends of the scroll spring II are respectively fixed on the main shaft and the oil return drum, so as to make use of the elastic force of the scroll spring II to rewind the oil return drum so that The hydraulic oil return hose retracts automatically.

The oil return channel is composed of an oil return pipe joint arranged radially inside the oil return shaft casing and an annular oil return groove provided on the inner wall of the oil return shaft casing. The annular oil return groove connects the oil return pipeline inside the main shaft with the oil return pipe joint, and the hydraulic oil returns The hose is connected to the oil return fitting.

Beneficial effects: the present invention can conveniently transport the high-pressure hydraulic oil of the hydraulic power source to the hydraulic drive unit that is far away, often changes the place of use, or is temporarily arranged, and at the same time can return the hydraulic oil of the hydraulic drive unit to the hydraulic power source. The rated bearing hydraulic pressure is 30MPa, which can conveniently solve the hydraulic power problem of the drive unit whose position is often changed or temporarily increased within 35 meters from the device. The invention can be used at any time, is convenient to move, and greatly facilitates the connection between the hydraulic drive unit and the hydraulic power source.

Description of drawings

Fig. 1 is the front view of the present invention;

Fig. 2 is an axonometric view of the present invention;

Fig. 3 is another axonometric view of the present invention;

Fig. 4 is the overall structural diagram of the present invention;

Fig. 5 is a partial enlarged view of the region represented by A in Fig. 4;

Figure 6 and Figure 7 are structural schematic diagrams of the high-voltage reel;

Figure 8 and Figure 9 are structural schematic diagrams of the oil return reel;

The reference signs are: 1. High-pressure reel, 2 and 22 are the end caps of the spring outer cylinder, 3. Scroll spring I, 4. Connecting the lower plate, 5. Outlet joint of the oil return line, 6. Oil return line, 7 , High-pressure oil pipeline inlet joint, 8, High-pressure oil pipeline, 9, Fixed sleeve I, 10 and 20 are 314 bearings, 11 and 45 are high-pressure oil twisted sealing glands, 12, High-pressure oil twisted jacket, 13, 14, 15, 19 and 44 are O-rings, 16, 18, 28 and 35 are ODE rotary seals, 17, 37 and 47 are sealing spacers, 21, right end plate, 23, 24, 29 and 32 Both are round nuts, 25, fixed sleeve II, 26, left spacer, 27 and 34 are oil return screw sealing glands, 30 and 39 are 212 bearings, 31 and 42 are stop washers, 33 and 43 are both Gear pad, 36, oil return winch jacket, 38, oil return pipe joint, 40, oil return reel, 41, scroll spring II, 46 and 49 branch oil ports, 48, oil outlet pipe joint, 50, main shaft, 51 , coil rack.

detailed description

As shown in Figure 1, Figure 2 and Figure 3, the reel hydraulic oil pipe delivery device includes four parts, namely the main shaft fixing device, the high-pressure hydraulic oil output pipeline part, the hydraulic oil return pipeline part and the main shaft. The main shaft 50 is both a bearing shaft and a hydraulic pipeline, one end of which is fixed by a main shaft fixing device, and the high-pressure hydraulic oil output pipeline part and the hydraulic oil return pipeline part are installed on the main shaft 50, and they can rotate around the main shaft 50 independently . The interior of the main shaft 50 is processed with a high-pressure oil pipeline 8 and an oil return pipeline 6, and the two oil pipelines respectively have an inlet and an outlet without interfering with each other. The main shaft 50 is processed by two parts, beveled and welded, and one end is used to fix the whole device, and the inlet and oil return pipe of the high-pressure oil pipeline connected to the hydraulic power source are respectively installed on this end the exit of the road.

Please refer to Figure 4 and Figure 5, the high-pressure hydraulic oil output pipeline part includes a high-pressure reel 1 and a high-pressure oil winch jacket 12, the high-pressure reel 1 is covered outside the main shaft 50, and the high-pressure oil winch jacket 12 is fixed on the high-pressure Inside the reel 1, the two ends of the high-pressure oil winch jacket 12 are rotatably mounted on the main shaft through a pair of 314 bearings 10 and 20, and can drive the high-pressure reel 1 to rotate around the main shaft together. One end of the high-voltage reel 1 is provided with a scroll spring I3, one end of the scroll spring I3 is fixed in the fixed sleeve I9, and the fixed sleeve I9 is fixed on the main shaft 50 through a flat key, and the other end of the scroll spring I3 is fixed in the high-pressure On the reel 1, when necessary, the elastic force of the scroll spring I can be used to rewind the high-pressure reel so that the high-pressure oil delivery hose wound on the high-pressure reel can be automatically retracted. The high-pressure oil winch outer casing 12 is provided with an oil outlet pipe joint 48 along its radial direction. The oil outlet pipe joint 48 communicates with the annular high-pressure oil groove provided on the inner wall of the high-pressure oil winch outer casing 12, and the annular high-pressure oil groove communicates with the high-pressure oil pipeline 8 inside the main shaft 50. The high-pressure oil delivery hose wound on the high-pressure reel 1 is connected to the oil outlet joint 48 to deliver high-pressure hydraulic oil to the hydraulic drive unit. A pair of ODE rotary seals 16 and 18 are respectively provided on both sides of the annular high-pressure oil tank to prevent the high-pressure hydraulic oil in the annular high-pressure oil tank from leaking along the axial gap between the high-pressure oil winch outer casing and the main shaft. Sealing spacers 17, 47 are arranged between the ODE rotary seals.

A pair of round nuts 23 and a stop washer 42 are installed on the outside of one end of the high-pressure oil winch jacket 12, that is, on the main shaft at one end of the entire high-pressure hydraulic oil output pipeline. 1 for axial positioning.

The oil return line 6 in the main shaft 50 is provided with two branch oil ports 46, 49, and the two branch oil ports 46, 49 radially extend to the outside of the main shaft, and are used to rotate around the main shaft in the high-pressure hydraulic oil output line Lubricate the contact parts between the two. The two branch oil ports 46, 49 are respectively arranged on both sides of the annular high-pressure oil tank, and the two branch oil ports 46, 49 in the high-pressure oil winch jacket 12 are respectively fixed with a high-pressure oil winch sealing gland 11, 45, through The sealing ring installed on the high-pressure oil twist sealing gland 11,45 is to prevent hydraulic oil from leaking axially from two branch oil ports. The high-pressure oil winch sealing glands 11 and 45 are set in the same way. Taking the high-pressure oil winch sealing gland 11 as an example, an O-ring is provided between the high-pressure oil winch sealing gland 11 and the high-pressure oil winch jacket 12 15. There is a pair of O-rings 13 and 14 between the high-pressure oil twisting sealing gland 11 and the main shaft. A total of three pairs of O-rings arranged on the high-pressure oil twisted sealing glands 11, 45 complete the axial sealing of the two branch oil ports 46, 49.

As shown in Fig. 6 and Fig. 7, a coil rack 51 is provided on the wall of the outer cylinder corresponding to one end of the high-voltage reel 1 provided with the scroll spring I3, and the coil rack 51 includes two coils arranged along the circumference of the high-voltage reel 1. The grid plate, the high-pressure oil delivery hose is coiled on the high-pressure reel 1 and located between the two grid plates of the coil rack 51 . On the cylinder wall of the high-pressure reel 1 , an opening is provided at a position corresponding to the oil outlet pipe joint 48 through which the high-pressure oil delivery hose is connected to the oil outlet pipe joint 48 . As shown in FIGS. 8 and 9 , the structure of the oil return drum 40 is similar to that of the high pressure drum 1 .

Please refer to Fig. 4 and Fig. 5, the hydraulic oil return pipeline part includes an oil return reel 40 and an oil return reel casing 36, and the two ends of the oil return reel casing 36 are rotatably mounted on the main shaft through a pair of 212 bearings 30, 39 And can drive its external oil return reel 40 to rotate around the main shaft together, and a pair of round nuts 29 and a stop washer 31 are installed on the main shaft outside the oil return winch outer cover 36, which play a role in the oil return winch cover 36 and return The effect of the axial positioning of the oil reel 40. An oil return channel connected to the oil return line 6 inside the main shaft is provided inside the oil return winch jacket 36, and the oil return channel is connected with the hydraulic oil return hose wound on the oil return reel 40 to transfer the hydraulic oil of the hydraulic drive unit. Return to hydraulic power source.

The oil return channel is composed of an oil return pipe joint 38 arranged radially inside the oil return winch outer cover 36 and an annular oil return groove arranged on the inner wall of the oil return winch outer cover 36. The annular oil return groove connects the oil return pipeline 6 inside the main shaft with the oil return pipe joint. 38 is communicated, and the hydraulic oil return hose is connected on the oil return pipe joint 38. A pair of ODE rotary seals 28 and 35 are respectively arranged on both sides of the annular oil return groove to prevent the hydraulic oil in the annular oil return groove from leaking along the axial direction. Set of 37. Two pairs of ODE rotary seals 28, 35 are respectively fixed by two oil return winch sealing glands 27, 34 affixed in the outer casing of the oil return winch.

One end of the oil return reel 40 is provided with a scroll spring II41, one end of the scroll spring II41 is fixed in the fixed sleeve II25, the fixed sleeve II25 is fixed on the main shaft 50 through a flat key, and the other end of the scroll spring II41 is fixed On the oil return reel 40, when necessary, the oil return reel 40 is rewound by the elastic force of the scroll spring II 41 so that the hydraulic oil return hose wound on the oil return reel is automatically retracted.

Claims (7)

1. A double-drum hydraulic oil pipe delivery device, characterized in that: it includes a main shaft, a high-pressure hydraulic oil output pipeline part and a hydraulic oil return pipeline part that can independently rotate around the main shaft, the main shaft is fixed, and a High pressure oil pipeline and oil return pipeline connected with external hydraulic power source; The high-pressure hydraulic oil output pipeline part includes a high-pressure reel and a high-pressure oil winch jacket. The high-pressure oil winch jacket is rotatably installed on the main shaft and can drive the external high-pressure drum to rotate around the main shaft together. The high-pressure oil winch jacket is arranged along its radial direction. There is an oil outlet pipe joint, the oil outlet pipe joint communicates with the annular high-pressure oil groove set on the inner wall of the high-pressure oil winch casing, the annular high-pressure oil groove communicates with the high-pressure oil pipeline inside the main shaft, and the oil outlet pipe joint is connected with the high-pressure oil delivery hose wound on the high-pressure reel In order to deliver high-pressure hydraulic oil to the hydraulic drive unit, there are two branch oil ports on the oil return pipeline in the main shaft, and the two branch oil ports are used for the connection between the two when the high-pressure hydraulic oil output line rotates around the main shaft. Lubricate the contact parts; The hydraulic oil return pipeline part includes an oil return reel and an oil return reel jacket. The oil return reel jacket is rotatably installed on the main shaft and can drive the external oil return reel to rotate around the main shaft together. The internal oil return pipeline communicates with the oil return passage, and the oil return passage is connected with the hydraulic oil return hose wound on the oil return reel to return the hydraulic oil of the hydraulic drive unit to the hydraulic power source. 2. A double-drum hydraulic oil pipe delivery device as claimed in claim 1, characterized in that: a scroll spring I is provided inside the high-pressure drum, and the two ends of the scroll spring I are respectively fixed on the main shaft and the high-pressure coil. On the cylinder, it is used to rewind the high-pressure reel by using the elastic force of the scroll spring I so that the high-pressure oil delivery hose can be retracted automatically. 3. A double-drum hydraulic oil pipe delivery device as claimed in claim 1, characterized in that: a pair of sealing rings are provided on both sides of the annular high-pressure oil tank to prevent oil from leaking in the axial direction. 4. A double-drum hydraulic oil pipe delivery device as claimed in claim 1, characterized in that: the two branch oil ports are respectively arranged on both sides of the annular high-pressure oil tank, and the two branch circuits inside the high-pressure oil winch outer casing The oil ports are respectively fixed with a high-pressure oil twisted sealing gland, and the sealing rings installed on the two high-pressure oil twisted sealing glands are used to prevent the hydraulic oil from leaking axially from the two branch oil ports. 5. A double-drum hydraulic oil pipe delivery device as claimed in claim 1, characterized in that: a scroll spring II is arranged inside the oil return drum, and the two ends of the scroll spring II are respectively fixed on the main shaft and the return shaft. On the oil reel, it is used to rewind the oil return reel by the elastic force of the scroll spring II so that the hydraulic oil return hose can be retracted automatically. 6. A double-drum hydraulic oil pipe conveying device as claimed in claim 1, characterized in that: the oil return channel is composed of an oil return pipe joint arranged radially inside the outer casing of the oil return twister and an annular ring arranged on the inner wall of the outer casing of the oil return twister. The oil return groove is composed of an annular oil return groove that connects the oil return pipeline inside the main shaft with the oil return pipe joint, and the hydraulic oil return hose is connected to the oil return pipe joint. 7. A double-drum hydraulic oil pipe delivery device as claimed in claim 6, characterized in that: a pair of sealing rings are respectively provided on both sides of the annular oil return tank, and the two pairs of sealing rings pass through the outer casing of the oil return winch respectively. The fixed two oil return twist sealing glands are fixed.