Hydraulic oil extraction device

Abstract

The utility model discloses a hydraulic oil extraction device, which relates to the technical field of hydraulic oil extraction and comprises a sampling pipe, a sealing cover and a liquid discharge pipe, the liquid discharge pipe is fixed at the bottom of the sampling pipe through a ball valve, a side pipe is arranged on one side of the sampling pipe, a one-way valve is arranged on the side pipe, and a bolt plug is arranged in an inner cavity of the sampling pipe. A threaded groove matched with the bolt plug is formed in the inner cavity wall of the sampling pipe, a driving rod is arranged on the bolt plug, and the driving rod enables the bolt plug to move in the inner cavity of the sampling pipe from bottom to top along the threaded groove, so that negative pressure is formed in the sampling pipe, the one-way valve on the side pipe is opened, and hydraulic oil in the hydraulic oil tank enters the sampling pipe through the hose; during detection, the ball valve is opened, the driving rod is reversely rotated, so that the bolt plug moves from top to bottom in the inner cavity of the sampling pipe along the threaded groove, sampled hydraulic oil is emptied, detection is performed, the whole sampling process is simple, operation is easy, time and labor are saved, sampling efficiency is high, and the oil leakage phenomenon is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to hydraulic oil extraction technical field especially hydraulic oil extraction device. BACKGROUND

[0002] Working vehicles for e.g. mining industry usually comprise various working devices, such as buckets, platforms / tanks or cylinders, which are controlled by hydraulic systems. These hydraulic systems contain hydraulic oil, which is a hydraulic medium used by hydraulic systems utilizing liquid pressure energy, and plays a role of energy transmission, anti-wear, system lubrication, corrosion prevention, rust prevention, cooling and the like in the hydraulic system. For hydraulic oil, firstly, it should meet the requirements of liquid viscosity of hydraulic devices at working temperature and starting temperature, because the viscosity change of lubricating oil is directly related to hydraulic action, transmission efficiency and transmission accuracy, and it is also required that the viscosity-temperature performance and shear stability of oil should meet various demands proposed by different purposes, and the cleanliness of hydraulic oil in the hydraulic mailbox has an important influence on the hydraulic device, therefore, it is necessary to regularly extract and detect the hydraulic oil in the hydraulic oil tank.

[0003] At present, when extracting the hydraulic oil in the hydraulic oil tank, a hydraulic oil pump is generally used, one end of the hydraulic oil pump is connected with a hose, the hose is inserted into the hydraulic oil tank, a sampling pipe is installed at the other end of the hydraulic oil pump, under the action of the hydraulic oil pump, the hydraulic oil flows into the sampling pipe, after sampling is completed, the hose and the sampling pipe are separated, however, because sampling only needs a small amount, it is time-consuming and laborious to use the hydraulic oil pump, the sampling efficiency is low through back-and-forth operation, and there is a situation of oil leakage when extracting the hydraulic oil, the worker is stained with oil stains during operation, and the environment is also polluted. SUMMARY

[0004] In order to overcome the defects of time-consuming and laborious, low sampling efficiency and oil leakage in the prior art, the utility model provides a hydraulic oil extraction device.

[0005] The utility model discloses a hydraulic oil extraction device, including the sampling pipe, the top of sampling pipe is equipped with the cover, the bottom of sampling pipe is equipped with the drain pipe, the drain pipe is fixed through the ball valve at the bottom of sampling pipe, one side of sampling pipe is equipped with the side pipe that communicates with the inner chamber of sampling pipe, is equipped with the check valve on the side pipe, the inner chamber of sampling pipe is equipped with the bolt plug, is equipped with the thread groove that cooperates bolt plug on the inner chamber wall of sampling pipe, is equipped with the drive rod on bolt plug, drive rod passes through the cover and extends to the top of cover, and drive rod and cover slide connection.

[0006] As a further improvement of the utility model, the bottom of the drain pipe is provided with a drain nozzle.

[0007] As a further improvement of the utility model, the top of the drive rod is provided with a handle.

[0008] As a further improvement of the utility model, the sealing ring is arranged on the cover and cooperates with the driving rod.

[0009] As a further improvement of the utility model, the auxiliary arm is arranged on the cover.

[0010] As a further improvement of the utility model, the side pipe is fixed on the sampling pipe through the support.

[0011] Compared with the prior art, the utility model has the beneficial effects that: in the scheme, the driving rod moves the bolt plug along the thread groove in the inner cavity of the sampling pipe from bottom to top, so that the sampling pipe forms negative pressure, the one-way valve on the side pipe is opened, the hydraulic oil in the hydraulic oil tank enters the sampling pipe through the hose, after sampling, the one-way valve on the side pipe is closed, when detection, the ball valve is opened, the driving rod is reversely rotated, so that the bolt plug moves along the thread groove in the inner cavity of the sampling pipe from top to bottom, the sampled hydraulic oil is emptied, detection is carried out, the whole sampling process is simple, easy to operate, time-saving and labor-saving, the sampling efficiency is high, and the oil leakage phenomenon is not caused. BRIEF DESCRIPTION OF DRAWINGS

[0012] The utility model will be further described below in combination with the drawings and specific embodiments.

[0013] Figure 1 It is a structure schematic view of the utility model hydraulic oil extraction device.

[0014] In the drawing: 1, sampling pipe, 2, cover, 3, liquid discharge pipe, 4, ball valve, 5, liquid discharge nozzle, 6, side pipe, 7, one-way valve, 8, bolt plug, 9, thread groove, 10, driving rod, 11, handle, 12, auxiliary arm, 13, sealing ring, 14, support. DETAILED DESCRIPTION

[0015] In order to make the technical scheme and beneficial effects of the utility model clearer, the utility model will be further described in detail below in combination with specific embodiments.

[0016] REFERENCE Figure 1 The utility model embodiment discloses a kind of hydraulic oil extraction device, including sampling pipe 1, the top of sampling pipe 1 is equipped with cover 2, the bottom of sampling pipe 1 is equipped with liquid discharge pipe 3, liquid discharge pipe 3 is fixed in the bottom of sampling pipe 1 by ball valve 4, one side of sampling pipe 1 is equipped with side pipe 6 that communicates with the inner cavity of sampling pipe 1, side pipe 6 is equipped with one-way valve 7, the inner cavity of sampling pipe 1 is equipped with bolt plug 8, the inner cavity wall of sampling pipe 1 is equipped with thread groove 9 that cooperates bolt plug 8, bolt plug 8 is equipped with driving rod 10, driving rod 10 penetrates cover 2 and extends to the top of cover 2, driving rod 10 and cover 2 are slidably connected.

[0017] The bottom of the drain pipe 3 is provided with a drain nozzle 5, so as to facilitate the sampling hydraulic oil emptying detection. The side pipe 6 is fixed on the sampling pipe 1 through the support 14, so as to improve the stability of the side pipe 6.

[0018] In use, the ball valve 4 is closed, the external hose is connected to the side pipe 6, the top of the driving rod 10 is provided with the handle 11, so as to facilitate the operation of the working staff to rotate the driving rod 10, so as to save time and labor. The working staff manually rotates the driving rod 10, so as to make the bolt plug 8 move along the threaded groove 9 in the inner cavity of the sampling pipe 1 from bottom to top, so as to form negative pressure in the sampling pipe 1, the one-way valve 7 on the side pipe 6 is opened, the hydraulic oil in the hydraulic oil tank enters the sampling pipe 1 through the hose, after the sampling is completed, the hose is removed, the one-way valve 7 on the side pipe 6 is closed, the sampling pipe is sealed, when detection is needed, the ball valve 4 is opened, the working staff manually rotates the driving rod 10, so as to make the bolt plug 8 move along the threaded groove 9 in the inner cavity of the sampling pipe 1 from top to bottom, so as to empty the sampled hydraulic oil, detection is carried out, the whole sampling process is simple, easy to operate, time-saving and labor-saving, the sampling efficiency is high, and the oil leakage phenomenon is not caused.

[0019] The sealing ring 13 matched with the driving rod 10 is arranged on the cover 2, so as to improve the sealing performance of the sampling pipe 1. The auxiliary arm 12 is arranged on the cover 2, the cover 2 is screwed on the sampling pipe 1, so as to facilitate the working staff to hold the sampling pipe 1.

[0020] It should be understood that the specific embodiments described herein are only used for understanding the present application, and are not used for limiting the present application, and all other embodiments obtained by the skilled in the art without creative labor are within the protection scope of the present application.

Claims

1. A hydraulic oil extraction device characterized by: The utility model relates to a sampling tube, which comprises a sampling tube (1), a cover (2) arranged at the top of the sampling tube (1), a liquid discharge pipe (3) arranged at the bottom of the sampling tube (1), the liquid discharge pipe (3) being fixed to the bottom of the sampling tube (1) through a ball valve (4), a side pipe (6) arranged at one side of the sampling tube (1) and communicating with the inner cavity of the sampling tube (1), a one-way valve (7) arranged on the side pipe (6), a bolt plug (8) arranged in the inner cavity of the sampling tube (1), a threaded groove (9) arranged on the inner cavity wall of the sampling tube (1) and matched with the bolt plug (8), a driving rod (10) arranged on the bolt plug (8) and extending through the cover (2) and to the top of the cover (2), and the driving rod (10) and the cover (2) being in sliding connection.

2. The hydraulic fluid extraction device of claim 1, wherein: The bottom of the liquid discharge pipe (3) is provided with a liquid discharge nozzle (5).

3. A hydraulic oil extraction device according to claim 2, characterized in that: The top of the driving rod (10) is provided with a handle (11).

4. The hydraulic fluid extraction device of claim 3, wherein: The cover (2) is provided with a sealing ring (13) matched with the driving rod (10).

5. A hydraulic fluid extraction device according to claim 4, wherein: The cover (2) is provided with an auxiliary arm (12).

6. A hydraulic fluid extraction device according to claim 5, wherein: The side pipe (6) is fixed to the sampling tube (1) through a support (14).

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