CN212155334U

CN212155334U - Hydraulic system for horizontal directional drilling pipe pushing machine

Info

Publication number: CN212155334U
Application number: CN202020465597.8U
Authority: CN
Inventors: 石贤增; 程芬芬; 张启国
Original assignee: Anhui Jianzhu University
Current assignee: Anhui Jianzhu University
Priority date: 2020-04-01
Filing date: 2020-04-01
Publication date: 2020-12-15
Anticipated expiration: 2030-04-01

Abstract

The utility model discloses a hydraulic system for pipe pusher is bored to level orientation relates to and creeps into equipment technical field. The utility model discloses a hydraulic tank, hydraulic tank's oil inlet pipe flange joint has the valve, the entrance point flange joint of valve has the clean case, one side fixed mounting of clean case has the import pipe that is linked together with clean incasement portion, the inside fixed mounting of clean case has the division board, the inside of clean case is divided into front chamber and back chamber through the division board. The utility model discloses a position department of advancing oil pipe at hydraulic tank sets up a clean case, when the in-process that hydraulic oil circulated once more after using and got into hydraulic tank, hydraulic oil need filter the back through the inside filter assembly in rear chamber, and rethread connecting pipe, play oil pipe and oil extraction pipe enter into the rear chamber, then reentrant hydraulic tank's inside, can filter hydraulic oil at normal use hydraulic system in-process like this, avoid hydraulic system to break down.

Description

Hydraulic system for horizontal directional drilling pipe pushing machine

Technical Field

The utility model relates to a drilling equipment technical field, concretely relates to level directional drilling push tube machine hydraulic system.

Background

The horizontal directional drilling construction technology is that under the condition of not excavating the earth surface, a navigator guides a drill bit and a drill rod to penetrate through the stratum to form a guide hole, then a hole expanding drill bit is used for expanding holes, and a pipeline to be laid is pushed into a drilled hole through a horizontal directional drilling pipe pushing machine. The horizontal directional drilling pipe pushing machine completes the operation of pushing a pipeline into a drill hole under the driving of a hydraulic system.

Wherein need use hydraulic oil among the hydraulic system, trouble among the hydraulic system mainly all is because fluid pollutes and causes, consequently although be provided with cleaning device on the hydraulic system of current well drilling push tube machine, but need purify after the continuous circulation extraction of hydraulic oil, is carrying out unable normal use hydraulic system in the cleaning process to hydraulic oil like this to whole cleanness is long consuming time, can influence the efficiency of construction, lacks one kind at the normal circulation in-process of hydraulic oil with the filterable structural design of hydraulic oil impurity, consequently the utility model provides a hydraulic system for pipe pushing machine is advanced to horizontal directional drilling.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: for the problem that provides among the above-mentioned background art, the utility model provides a hydraulic system for pipe pusher is bored to level orientation.

The utility model discloses a realize above-mentioned purpose and specifically adopt following technical scheme:

a hydraulic system for a horizontal directional drilling and pipe pushing machine comprises a hydraulic oil tank, wherein an oil inlet pipe of the hydraulic oil tank is connected with a valve in a flange mode, an inlet end of the valve is connected with a cleaning box in a flange mode, an inlet pipe communicated with the inside of the cleaning box is fixedly installed on one side of the cleaning box, a partition plate is fixedly installed inside the cleaning box, the inside of the cleaning box is divided into a front cavity and a rear cavity through the partition plate, a connecting pipe is fixedly installed at the bottom of the inner wall of the front cavity of the cleaning box, a filtering assembly is detachably connected and communicated on the connecting pipe and used for filtering hydraulic oil in the front cavity, an oil outlet pipe communicated with the inside of the connecting pipe is fixedly installed on the connecting pipe, one end, far away from the connecting pipe, of the oil outlet pipe is communicated with two oil outlet pipes, and one ends, far away from the oil outlet pipe, the top of cleaning box is seted up the access hole that is linked together with the cleaning box inside, filter assembly is last to dismantle to be fixed with and is used for the sealed seal assembly in access hole.

Further, the filter assembly comprises a filter screen pipe, the filter screen pipe is sleeved on the outer surface of the connecting pipe and is in threaded connection with the outer surface of the connecting pipe, a filter screen is embedded in the filter screen pipe, a fixed seat is fixedly mounted at the top of the filter screen pipe, an annular baffle is fixedly mounted on the inner wall of the filter screen pipe, and the bottom of the annular baffle is abutted to the top of the connecting pipe.

Furthermore, a collecting cylinder is fixedly installed on the outer surface of the filter screen pipe, and an opening of the collecting cylinder faces upwards.

Further, seal assembly includes the seal receptacle, the seal receptacle passes through the bolt fastening at the top of fixing base, the seal receptacle is located the inside of access hole and a part of seal receptacle extends to the front chamber intracavity, the surface of seal receptacle is embedded to have rubber seal.

The utility model has the advantages as follows:

1. the utility model discloses a position department of advancing oil pipe at hydraulic tank sets up a clean case, when hydraulic oil through the in-process that uses the back recirculation entering hydraulic tank, hydraulic oil need filter the back through the inside filter assembly in back chamber, the rethread connecting pipe, go out oil pipe and arrange the oil pipe and enter into the back intracavity, then reentrant hydraulic tank's inside, can filter hydraulic oil at normal use hydraulic system in-process like this, avoid hydraulic system to break down, after hydraulic system uses a period for a long time, utilize current circulation filtration equipment to filter hydraulic oil and purify, consequently, pass through the utility model discloses can reduce hydraulic system's fault rate, can filter hydraulic oil equally at normal use hydraulic system's in-process.

2. This practicality can accomplish filtering component's installation through the access hole, because filtering component is connected for dismantling with the connecting pipe, consequently filtering component uses can change through the access hole after a period to be connected with seal assembly on the filtering component, through, seal assembly carries out sealed processing to the access hole, can avoid the inside hydraulic oil of clean box to expose, avoids appearing oil pollution.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is a perspective view of the internal structure of the cleaning frame of the present invention;

FIG. 3 is a sectional view of the internal structure of the cleaning frame of the present invention;

fig. 4 is an enlarged view of a structure in fig. 3 according to the present invention.

Reference numerals: 1. a hydraulic oil tank; 2. a valve; 3. a cleaning tank; 4. an inlet pipe; 5. a partition plate; 6. a front cavity; 7. A rear cavity; 8. a connecting pipe; 9. a filter assembly; 901. a filter screen pipe; 902. a filter screen; 903. a fixed seat; 904. a collection canister; 905. an annular baffle; 10. an oil outlet pipe; 11. an oil discharge pipe; 12. a seal assembly; 1201. a sealing seat; 1202. a rubber seal ring.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

In the description of the embodiments of the present invention, it should be noted that the terms "inside", "outside", "up", and the like indicate the directions or positional relationships based on the directions or positional relationships shown in the drawings, or the directions or positional relationships that the products of the present invention are conventionally placed when used, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the term refers must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention.

As shown in fig. 1-4, a hydraulic system for a horizontal directional drilling and pipe pushing machine comprises a hydraulic oil tank 1, wherein an oil inlet pipe of the hydraulic oil tank 1 is connected with a flange of a valve 2, an inlet end of the valve 2 is connected with a flange of a cleaning box 3, an inlet pipe 4 communicated with the interior of the cleaning box 3 is fixedly arranged on one side of the cleaning box 3, a partition plate 5 is fixedly arranged in the cleaning box 3, the interior of the cleaning box 3 is divided into a front cavity 6 and a rear cavity 7 by the partition plate 5, a connecting pipe 8 is fixedly arranged at the bottom of the inner wall of the front cavity 6 of the cleaning box 3, a filtering component 9 is detachably connected and communicated on the connecting pipe 8, the filtering component 9 is used for filtering hydraulic oil in the front cavity 6, an oil outlet pipe 10 communicated with the interior of the connecting pipe 8 is fixedly arranged on the connecting pipe 8, two oil outlet pipes 11 are communicated at one ends of the oil outlet pipe 10 far away from the connecting pipe 8, and are, the top of cleaning box 3 is seted up the access hole that is linked together with cleaning box 3 inside, and filter assembly 9 is last to dismantle and to be fixed with and be used for the sealed seal assembly 12 in access hole.

In the embodiment, a cleaning box 3 is arranged at the position of an oil inlet pipe of a hydraulic oil tank 1, when hydraulic oil circularly enters the hydraulic oil tank 1 again after being used, the hydraulic oil needs to be filtered by a filtering component 9 in a front cavity 6, the front cavity 6 and a rear cavity 7 are not communicated due to the existence of a partition plate 5, and the hydraulic oil can be communicated only by matching of a connecting pipe 8, an oil outlet pipe 10 and an oil outlet pipe 11, so that the hydraulic oil filtered by the filtering component 9 needs to enter the rear cavity 7 through the connecting pipe 8, the oil outlet pipe 10 and the oil outlet pipe 11 and then enters the hydraulic oil tank 1, the hydraulic oil can be filtered in the process of normally using the hydraulic system, the hydraulic system is prevented from being broken down, and after the hydraulic system is used for a long time, the existing circulating filtering equipment is utilized to filter and purify the hydraulic oil, like the interior cleaning device of elevating platform hydraulic system that patent publication (CN209976976U) disclosed, be exactly the mode that adopts the loop filter to purify, consequently pass through the utility model discloses can in time filter the hydraulic oil among the hydraulic system to can reduce hydraulic system's fault rate, can filter hydraulic oil equally at normal use hydraulic system's in-process.

Specifically, the filter assembly 9 includes a filter screen pipe 901, the filter screen pipe 901 is sleeved on the outer surface of the connecting pipe 8 and is in threaded connection with the outer surface, a filter screen 902 is embedded in the filter screen pipe 901, a fixing seat 903 is fixedly installed at the top of the filter screen pipe 901, an annular baffle 905 is fixedly installed on the inner wall of the filter screen pipe 901, and the bottom of the annular baffle 905 is abutted to the top of the connecting pipe 8.

In this embodiment, the filter screen pipe 901 is directly placed into the front cavity 6 through the access hole, and then the filter screen pipe 901 is sleeved on the connecting pipe 8 and is in threaded connection with the connecting pipe 8, wherein the inner wall of the filter screen pipe 901 is provided with an internal thread, the outer wall of the connecting pipe 8 is provided with an external thread, in the process of threaded connection between the filter screen pipe 901 and the connecting pipe 8, one end of the connecting pipe 8 finally abuts against the bottom of the annular baffle 905, so that installation of the filter screen pipe 901 is completed, and the sealing effect can be achieved through the matching of the annular baffle 905 and the threaded structure; under normal conditions, hydraulic oil enters the inside of the filter screen pipe 901 through the filter screen 902, impurities in the hydraulic oil are filtered and intercepted through the filter screen 902, and the filtered hydraulic oil enters the connecting pipe 8 after entering the inside of the filter screen pipe 901, so that the filtering work of the hydraulic oil is completed.

Specifically, the outer surface of the filter screen pipe 901 is fixedly provided with a collecting cylinder 904, and the opening of the collecting cylinder 904 faces upwards.

In this embodiment, by designing the collecting cylinder 904, a part of the impurities intercepted by the filter net 902 can be collected, so that the impurities can be taken out from the inside of the cleaning tank 3 in the process of taking out the filter assembly 9.

Specifically, the sealing assembly 12 includes a sealing seat 1201, the sealing seat 1201 is fixed at the top of the fixing seat 903 through a bolt, the sealing seat 1201 is located inside the manhole, a part of the sealing seat 1201 extends into the front cavity 7, and a rubber sealing ring 1202 is embedded in the outer surface of the sealing seat 1201.

In this embodiment, after fixing seal 1201 and fixing base 903, seal 1201 is direct to be embedded with the manhole, can shelter from the manhole, and the rubber seal 1202 who sets up on seal 1201 can closely laminate with the inner wall in manhole simultaneously, can play sealed effect equally, consequently can avoid the inside hydraulic oil of clean box 3 to leak outward.

Claims

1. The utility model provides a hydraulic system for horizontal directional drilling pushing pipe machine, includes hydraulic tank (1), its characterized in that, the oil inlet pipe flange joint of hydraulic tank (1) has valve (2), the entrance point flange joint of valve (2) has clean case (3), one side fixed mounting of clean case (3) has import pipe (4) that is linked together with clean case (3) inside, the inside fixed mounting of clean case (3) has division board (5), the inside of clean case (3) is divided into front chamber (6) and back chamber (7) through division board (5), the bottom fixed mounting that clean case (3) are located front chamber (6) inner wall has connecting pipe (8), can dismantle the connection and feed through on connecting pipe (8) has filtering component (9), filtering component (9) are used for filtering the inside hydraulic oil of front chamber (6), fixed mounting has oil pipe (10) that is linked together rather than inside on connecting pipe (8), the one end intercommunication that connecting pipe (8) were kept away from in oil pipe (10) has two oil extraction pipes (11), two the one end that oil extraction pipe (11) were kept away from oil pipe (10) all is linked together with division board (5) fixed connection and with back chamber (7), the access hole that is linked together with inside of clean case (3) is seted up at the top of clean case (3), can dismantle on filtering component (9) and be fixed with and be used for sealed seal assembly (12) to the access hole.

2. The hydraulic system for the horizontal directional drilling and pushing pipe machine according to claim 1, wherein the filter assembly (9) comprises a filter screen pipe (901), the filter screen pipe (901) is sleeved on the outer surface of the connecting pipe (8) and is in threaded connection with the outer surface of the connecting pipe, a filter screen (902) is embedded in the filter screen pipe (901), a fixed seat (903) is fixedly installed at the top of the filter screen pipe (901), an annular baffle plate (905) is fixedly installed on the inner wall of the filter screen pipe (901), and the bottom of the annular baffle plate (905) is abutted to the top of the connecting pipe (8).

3. The hydraulic system for the horizontal directional drilling and pushing pipe machine according to claim 2, wherein a collecting cylinder (904) is fixedly installed on the outer surface of the filter screen pipe (901), and the opening of the collecting cylinder (904) faces upwards.

4. The hydraulic system for the horizontal directional drilling and pushing pipe machine according to claim 2, characterized in that the sealing assembly (12) comprises a sealing seat (1201), the sealing seat (1201) is fixed on the top of a fixed seat (903) through bolts, the sealing seat (1201) is located inside the manhole, a part of the sealing seat (1201) extends into the front cavity (6), and a rubber sealing ring (1202) is embedded in the outer surface of the sealing seat (1201).