Pipeline converging transition block

Abstract

The utility model provides a pipeline confluence transition block, which belongs to the technical field of hydraulic systems and comprises a transition block body, a plurality of oil inlet passages, a plurality of oil outlet passages and a plurality of straight oil passages are arranged in the transition block body, and the oil inlet passages and the oil outlet passages are respectively arranged on two sides of the straight oil passages. And the oil inlet channel and the oil outlet channel are both communicated with the straight oil channel. The hydraulic pipeline of the excavator can be simplified, mounting and dismounting are convenient, and the maintenance cost of the excavator is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of hydraulic systems, and in particular relates to a pipeline confluence transition block. Background Art

[0002] The hydraulic cylinders on the excavator are all connected to the hydraulic pump through hydraulic oil pipes. The hydraulic pump is used to provide hydraulic oil to the hydraulic cylinders, thereby driving the excavator to work. As the excavator develops towards larger tonnage, the hydraulic cylinders are becoming thicker and thicker. In order to ensure the speed of the hydraulic cylinders, the hydraulic oil of multiple hydraulic pumps is often required to merge into the hydraulic cylinders to meet the hydraulic cylinder flow requirements. However, multiple hydraulic pumps are connected to the hydraulic pumps through hydraulic oil pipes, resulting in complicated pipelines. Not only is the layout difficult, but it is also prone to failure, which increases the maintenance cost of the excavator. Utility Model Content

[0003] In view of the defects or shortcomings in the prior art, the utility model provides a pipeline confluence transition block, which can simplify the hydraulic pipeline of the excavator, is easy to install and disassemble, and reduces the maintenance cost of the excavator.

[0004] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0005] An embodiment of the present utility model provides a pipeline converging transition block, comprising a transition block body, wherein an oil inlet channel, an oil outlet channel and a straight oil channel are opened inside the transition block body, wherein a plurality of oil inlet channels are provided, and the oil inlet channels and the oil outlet channels are respectively arranged on both sides of the straight oil channel, and the oil inlet channels and the oil outlet channels are both connected to the straight oil channel.

[0006] Furthermore, the oil inlet passage and the oil outlet passage are both arranged perpendicular to the straight oil passage.

[0007] Furthermore, a plurality of oil inlets are provided on a side surface of one side of the transition block body, and the plurality of oil inlets are provided correspondingly to the plurality of oil inlet passages.

[0008] Furthermore, an oil outlet is provided on the other side of the transition block body, and the oil outlet is arranged corresponding to the oil outlet channel.

[0009] Furthermore, the multiple oil inlets are connected to the multiple hydraulic pumps through hydraulic oil pipes, and the oil outlets are connected to the hydraulic cylinders through hydraulic oil pipes.

[0010] Furthermore, a circular hole is provided on the top of the transition block body, the circular hole is communicated with the straight oil channel, threaded holes are provided around the circular hole, and a flange plug is fixedly connected by bolts.

[0011] Furthermore, there are two oil inlet passages, which are arranged side by side up and down, and the oil outlet passage is arranged opposite to one of the oil inlet passages.

[0012] Furthermore, a mounting bracket is fixedly connected to the transition block body, and the mounting bracket includes a vertical support plate and a horizontal support plate. The vertical support plate is fixedly connected to the side of the transition block body, and the horizontal support plate is fixedly connected to the bottom surface of the transition block body.

[0013] Furthermore, the mounting bracket also includes a mounting plate, which is welded and fixed to the excavator frame and fixedly connected to the mounting bracket by bolts.

[0014] Furthermore, the thickness of the mounting plate is greater than the thickness of the bolt head.

[0015] Compared with the prior art, the beneficial effects of the present invention are:

[0016] 1. The utility model provides multiple oil inlet channels and oil outlet channels in the transition block body, and connects the multiple oil inlet channels with the straight oil channels through straight oil channels. The multiple oil inlet channels are connected to the hydraulic pump, and the oil outlet channels are connected to the hydraulic cylinder, so that the hydraulic oil of multiple hydraulic pumps can be merged into the hydraulic cylinder to meet the flow requirements of the hydraulic cylinder, thereby simplifying the hydraulic pipeline of the excavator.

[0017] 2. The utility model provides a mounting bracket and uses the mounting bracket to fix the transition block on the excavator frame. When maintenance and overhaul are required, it is only necessary to remove the mounting bracket from the excavator frame, thereby improving the maintenance and overhaul efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the front structure of the transition block body in an embodiment of the present utility model;

[0019] Figure 2 This is a schematic diagram of the back structure of the transition block body in an embodiment of the present utility model;

[0020] Among them, 1. Transition block body; 2. Oil inlet; 3. Oil outlet; 4. Flange plug; 5. Mounting bracket; 6. Mounting plate. DETAILED DESCRIPTION

[0021] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0022] A typical implementation of the present invention is as follows: Figure 1 and Figure 2 As shown, a pipeline converging transition block includes a transition block body 1. An oil inlet channel, an oil outlet channel and a straight oil channel are opened inside the transition block body 1. There are multiple oil inlet channels, and the multiple oil inlet channels are arranged in parallel. The oil inlet channel and the oil outlet channel are respectively arranged on both sides of the straight oil channel and are both arranged perpendicular to the straight oil channel. The oil inlet channel and the oil outlet channel are both connected to the straight oil channel, so that the oil inlet channel and the oil outlet channel are connected through the straight oil channel.

[0023] A plurality of oil inlets 2 are provided on the side surface of one side of the transition block body 1, and the plurality of oil inlets 2 are correspondingly arranged with the plurality of oil inlet passages, one end of the oil inlet passage is connected with the oil inlet 2, and the other end is connected with the straight oil passage. An oil outlet 3 is provided on the side surface of the other side of the transition block body 1, and the oil outlet 3 is correspondingly arranged with the oil outlet passage, one end of the oil outlet passage is connected with the oil outlet 3, and the other end is connected with the straight oil passage. The plurality of oil inlets 2 are connected with the plurality of hydraulic pumps through hydraulic oil pipes, and the oil outlet 3 is connected with the hydraulic cylinder through hydraulic oil pipes, so that the hydraulic oil of the plurality of hydraulic pumps is merged into the hydraulic cylinder by using the transition block to ensure the speed of the hydraulic cylinder.

[0024] A circular hole is provided on the top of the transition block body 1, which is connected to the straight oil channel. Threaded holes are provided around the circular hole, which is fixed with a flange plug 4 by bolts to seal the circular hole.

[0025] Threaded holes are provided around the oil inlet 2 and the oil outlet 3 so as to be connected to the hydraulic oil pipes via bolts.

[0026] In this embodiment, two oil inlet passages are provided, and the two oil inlet passages are arranged side by side up and down, and one oil outlet passage is provided, which is close to the lower oil inlet passage, so that the oil outlet passage and the lower oil inlet passage are arranged opposite to each other, so that the hydraulic oil entering the lower oil inlet passage can directly enter the oil outlet passage, reducing the pressure loss caused by the confluence of hydraulic oil in multiple oil inlet passages.

[0027] The transition block body 1 is also fixedly connected to a mounting bracket 5, which is fixedly connected to the excavator frame through the mounting bracket 5, making it convenient to disassemble and install the transition block body 1. When maintenance and overhaul are required, it is only necessary to remove the mounting bracket 5 from the excavator frame, thereby improving the maintenance and overhaul efficiency.

[0028] Specifically, the longitudinal cross-section of the mounting bracket 5 is L-shaped, including a vertical support plate and a transverse support plate. The vertical support plate is fixedly connected to the side of the transition block body 1, and the transverse support plate is fixedly connected to the bottom of the transition block body 1. Two elliptical holes are provided on the vertical support plate, and the two elliptical holes are arranged side by side up and down. Two first bolt holes are provided on the side wall of the transition block body 1 close to the vertical support plate. The two first bolt holes are arranged corresponding to the two elliptical holes, and the vertical support plate and the transition block body 1 are fixedly connected by bolts. A through hole is provided in the middle of the transverse support plate, and a second bolt hole is provided on the bottom of the transition block body 1. The second bolt hole is arranged corresponding to the through hole, and the transverse support plate and the transition block body 1 are fixedly connected by bolts.

[0029] The top end of the vertical support plate extends above the flange plug 4, and a plurality of mounting holes are provided on the top of the vertical support plate. A mounting plate 6 is welded on the excavator frame, and a plurality of third bolt holes are provided on the mounting plate 6. The plurality of third bolt holes are arranged corresponding to the plurality of mounting holes. The mounting bracket 5 is fixed to the mounting plate 6 by bolts, thereby realizing a fixed connection between the transition block body 1 and the excavator frame.

[0030] The thickness of the mounting plate 6 is greater than the thickness of the bolt head, thereby avoiding interference between the bolt head and the excavator frame when the mounting bracket 5 is mounted on the excavator frame.

[0031] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Those skilled in the art will readily appreciate that the present invention is susceptible to various modifications and variations. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A pipeline confluence transition block, characterized in that: It includes a transition block body, which is provided with an oil inlet channel, an oil outlet channel and a straight oil channel. There are multiple oil inlet channels, and the oil inlet channels and the oil outlet channels are respectively arranged on both sides of the straight oil channel, and the oil inlet channels and the oil outlet channels are both connected to the straight oil channel.

2. A pipeline confluence transition block according to claim 1, characterized in that: The oil inlet channel and the oil outlet channel are both arranged perpendicular to the straight oil channel.

3. The pipeline confluence transition block according to claim 1, characterized in that: A plurality of oil inlets are provided on a side surface of one side of the transition block body, and the plurality of oil inlets are correspondingly arranged with the plurality of oil inlet passages.

4. The pipeline confluence transition block according to claim 3, characterized in that: An oil outlet is provided on the other side of the transition block body, and the oil outlet is arranged corresponding to the oil outlet channel.

5. The pipeline confluence transition block according to claim 4, characterized in that: The plurality of oil inlets are connected to the plurality of hydraulic pumps through hydraulic oil pipes, and the oil outlets are connected to the hydraulic cylinders through hydraulic oil pipes.

6. The pipeline confluence transition block according to claim 1, characterized in that: A circular hole is provided on the top of the transition block body, which is connected to the straight oil channel. Threaded holes are provided around the circular hole, which is fixed with a flange plug by bolts.

7. The pipeline confluence transition block according to claim 1, characterized in that: There are two oil inlet passages, which are arranged side by side up and down, and the oil outlet passage is arranged opposite to one of the oil inlet passages.

8. The pipeline confluence transition block according to claim 1, characterized in that: The transition block body is also fixedly connected to a mounting bracket, which includes a vertical support plate and a horizontal support plate. The vertical support plate is fixedly connected to the side surface of the transition block body, and the horizontal support plate is fixedly connected to the bottom surface of the transition block body.

9. The pipeline confluence transition block according to claim 8, characterized in that: The mounting bracket also includes a mounting plate, which is welded and fixed to the excavator frame and fixedly connected to the mounting bracket by bolts.

10. The pipeline confluence transition block according to claim 9, characterized in that: The thickness of the mounting plate is greater than the thickness of the bolt head.

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