Rotary drilling rig and dual-drive system hydraulic oil tank thereof

Abstract

The utility model discloses a rotary drilling rig and a dual-drive system hydraulic oil tank thereof. The dual-drive system hydraulic oil tank comprises a tank body, a first oil port formed in one end of the tank body, a second oil port formed in the other end of the tank body, a first drive pump communicated with the first oil port through a first pipeline, and a second drive pump communicated with the second oil port through a second pipeline. A third oil port and a fourth oil port are formed in the positions, on the two sides of the first oil port, of the box body respectively, a fifth oil port is formed in the side, away from the first oil port, of the third oil port, the fifth oil port is formed in the box body, the second driving pump communicates with a second auxiliary pump and a second pilot pump, and the second auxiliary pump communicates with a second cooling pump. The second pipeline is communicated with a first interface, a second interface and a third interface; according to the device, the independent oil supply and standby functions of hydraulic oil are achieved by arranging a dual-drive pump system, when one drive pump or related pipelines break down, the other drive pump can continue to work, and normal operation of the rotary drilling rig is ensured.

Description

TECHNICAL FIELD

[0001] The utility model belongs to rotary drilling rig hydraulic equipment technical field, concretely relates to a rotary drilling rig and double drive system hydraulic oil tank thereof. BACKGROUND

[0002] As a kind of efficient, accurate pile construction equipment, rotary drilling rig is widely used in bridge, building, subway and other large infrastructure construction field, and its core power system relies on hydraulic transmission technology, converts mechanical energy into hydraulic energy by hydraulic pump, drives drill pipe rotation, lifting, pressurization and other composite actions, and hydraulic oil tank, as essential part in hydraulic system, undertakes important functions such as oil storage, heat dissipation, filtration, gas-liquid separation, and its performance is directly related to the working efficiency, stability and service life of whole machine.

[0003] Traditional rotary drilling rig hydraulic oil tank usually adopts single pump group oil supply design, that is, only one set of main drive pump, auxiliary pump, cooling pump and pilot pump is configured, and each pump extracts hydraulic oil from oil tank through common oil suction pipeline, such design is more common in engineering machinery, but with the complexification of construction conditions, such as hard rock drilling and large-diameter deep hole operation, its defects are gradually exposed, single pump group undertakes all oil supply tasks, once main drive pump or oil suction pipeline fails, such as seal failure and foreign matter blockage, whole machine will stop immediately, which seriously affects construction progress, and single pump group is prone to insufficient flow under peak load, leading to slow action or pressure fluctuation, in view of the above, a rotary drilling rig and double drive system hydraulic oil tank are needed. UTILITY MODEL CONTENTS

[0004] To solve the above-mentioned technical problems in prior art, on the one hand, the utility model provides a double drive system hydraulic oil tank for rotary drilling rig, comprising tank body, first oil port opened in one end of the tank body, second oil port opened in the other end of the tank body, first drive pump communicated with the first oil port through first pipeline, second drive pump communicated with the second oil port through second pipeline, wherein:

[0005] Third oil port and fourth oil port are respectively opened on the tank body on both sides of the first oil port, fifth oil port is opened on the tank body away from the side of the first oil port, and the fifth oil port is opened on the tank body;

[0006] The first drive pump is communicated with first auxiliary pump and first pilot pump, the first auxiliary pump is communicated with first cooling pump, the first cooling pump is communicated with the third oil port through third pipeline, the first auxiliary pump is communicated with the fourth oil port through fourth pipeline, and the first pilot pump is communicated with the fifth oil port through fifth pipeline;

[0007] The second driving pump is in communication with a second auxiliary pump, a second pilot pump, the second auxiliary pump is in communication with a second cooling pump, the second pipeline is in communication with a first interface, a second interface and a third interface, the second cooling pump is in communication with the first interface through the third pipeline, the second auxiliary pump is in communication with the second interface through the fourth pipeline, and the second pilot pump is in communication with the third interface through the fifth pipeline.

[0008] As a specific embodiment, in the double driving system hydraulic oil tank for the rotary drilling rig, the top of the tank body is provided with a plurality of filters.

[0009] As a specific embodiment, in the double driving system hydraulic oil tank for the rotary drilling rig, the number of the filters is 2-4.

[0010] As a specific embodiment, in the double driving system hydraulic oil tank for the rotary drilling rig, the top of the tank body is provided with a liquid level sensor.

[0011] As a specific embodiment, in the double driving system hydraulic oil tank for the rotary drilling rig, the liquid level sensor is connected with a liquid level alarm.

[0012] As a specific embodiment, in the double driving system hydraulic oil tank for the rotary drilling rig, the side wall of the tank body is provided with a temperature sensor.

[0013] As a specific embodiment, in the double driving system hydraulic oil tank for the rotary drilling rig, the temperature sensor is connected with a temperature alarm.

[0014] As a specific embodiment, in the double driving system hydraulic oil tank for the rotary drilling rig, the side wall of the tank body is provided with a liquid level meter.

[0015] On the other hand, the utility model also provides a rotary drilling rig, the double driving system hydraulic oil tank of the rotary drilling rig.

[0016] The rotary drilling rig and the double driving system hydraulic oil tank have the following advantages and beneficial effects.

[0017] The utility model discloses a double drive pump system is arranged, realized the independent oil supply and standby function of hydraulic oil, when one of drive pumps or relevant pipeline breaks down, another drive pump can continue to work, ensure the normal operation of rotary drilling rig, greatly reduce the risk of breakdown, double drive pump system can be flexibly configured and adjusted according to actual demand, to meet the work demand under different working conditions, this helps to improve the adaptability and work efficiency of rotary drilling rig, through setting up filter, liquid level sensor, temperature sensor, hydraulic alarm, temperature alarm and so on device, realized the real -time monitoring and early warning of the hydraulic oil level and temperature in the box, this helps to discover and handle potential safety hazard in time, improve the safety and reliability of oil tank, the setting of liquid level meter makes the liquid level monitoring of box more intuitive and convenient, helps the operator to supplement hydraulic oil in time, ensures the normal operation of system. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or prior art, below will to the drawing needed to use in the embodiment or prior art description briefly introduce, obviously, the drawing in the following description only is for the further understanding of the embodiment of the utility model, and constitutes the part of the utility model, for the ordinary skilled person in the art comes, under the premise of not paying the creative labor, can also obtain other drawings according to these drawings.In the drawings:

[0019] Figure 1 It is the use state diagram of the double drive system hydraulic oil tank for rotary drilling rig of the utility model;

[0020] Figure 2 It is the structural schematic diagram of the double drive system hydraulic oil tank for rotary drilling rig of the utility model;

[0021] Figure 3 It is Figure 2 A direction view in the figure.

[0022] BRIEF DESCRIPTION OF DRAWINGS

[0023] 1-box, 2-first oil port, 3-second oil port, 4-first pipeline, 5-first drive pump, 6-second pipeline, 7-second drive pump, 8-third oil port, 9-fourth oil port, 10-fifth oil port, 11-first auxiliary pump, 12-first pilot pump, 13-first cooling pump, 14-third pipeline, 15-fourth pipeline, 16-fifth pipeline, 17-second auxiliary pump, 18-second pilot pump, 19-second cooling pump, 20-first interface, 21-second interface, 22-third interface, 23-filter, 24-liquid level sensor, 25-liquid level meter, 26-temperature sensor, 27-oil return port. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical scheme and advantages of the utility model clearer, the utility model technical scheme will be described clearly and completely in combination with specific embodiments of the utility model and corresponding drawings below. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0025] As Figure 1 , Figure 2 , Figure 3 The utility model discloses a rotary drilling rig and double drive system hydraulic oil tank thereof.

[0026] In one aspect, the double drive system hydraulic oil tank for rotary drilling rig of the utility model includes tank body 1, first oil port 2 set up in one end of tank body 1, second oil port 3 set up in the other end of tank body 1, first drive pump 5 communicated with first oil port 2 through first pipeline 4, second drive pump 7 communicated with second oil port 3 through second pipeline 6, tank body 1 can adopt high-strength steel plate welding forming as a whole, and the inside can additionally be provided with a baffle, so as to divide two oil suction areas corresponding to first drive pump 5 and second drive pump 7 respectively, wherein, third oil port 8 and fourth oil port 9 are respectively set up on the tank body 1 on the two sides of first oil port 2, fifth oil port 10 is set up on the side away from first oil port 2 of third oil port 8, and fifth oil port 10 is set up on tank body 1, first drive pump 5 is communicated with first auxiliary pump 11 and first pilot pump 12, first auxiliary pump 11 is communicated with first cooling pump 13, first cooling pump 13 is communicated with third oil port 8 through third pipeline 14, first auxiliary pump 11 is communicated with fourth oil port 9 through fourth pipeline 15, and first pilot pump 12 is communicated with fifth oil port 10 through fifth pipeline 16, second drive pump 7 is communicated with second auxiliary pump 17 and second pilot pump 18, second auxiliary pump 17 is communicated with second cooling pump 19, first interface 20, second interface 21 and third interface 22 are communicated and set up on second pipeline 6, second cooling pump 19 is communicated with first interface 20 through third pipeline 14, second auxiliary pump 17 is communicated with second interface 21 through fourth pipeline 15, second pilot pump 18 is communicated with third interface 22 through fifth pipeline 16, and the side wall of tank body 1 is further provided with oil return port 27.

[0027] As a specific embodiment, in the double drive system hydraulic oil tank for rotary drilling rig of the utility model, a plurality of filters 23 are arranged on the top of tank body 1, the hydraulic oil entering tank body 1 can be filtered, the impurities and particles in the hydraulic oil are removed, and the cleanliness of the hydraulic oil and the normal operation of the system are ensured.

[0028] As a specific embodiment, in the double drive system hydraulic oil tank for rotary drilling rig, the number of filters 23 is 2-4, more specifically, the number of filters 23 is 2, of course, the specific number and shape, size of the filter 23 need to be set according to the shape, size and other specific working conditions of the tank body 1 in the actual use process.

[0029] As a specific embodiment, in the double drive system hydraulic oil tank for rotary drilling rig, the tank body 1 is provided with a liquid level sensor 24, and when the hydraulic oil level is lower than the preset value, the liquid level sensor 24 sends a signal to the control unit (not shown in the figure) to prompt the operator to supplement the oil in time, so as to avoid the problem of insufficient oil supply or damage to the hydraulic pump caused by too low liquid level.

[0030] As a specific embodiment, in the double drive system hydraulic oil tank for rotary drilling rig, the liquid level sensor 24 is connected with a liquid level alarm (not shown in the figure), and when the hydraulic oil level is abnormal, the liquid level alarm sends an alarm signal.

[0031] As a specific embodiment, in the double drive system hydraulic oil tank for rotary drilling rig, the tank body 1 is provided with a temperature sensor 26 on the side wall, which is used for real-time monitoring of the oil temperature change in the tank, and when the oil temperature is too high, the temperature sensor 26 sends a signal to the control unit, so that the operator can take appropriate cooling measures.

[0032] As a specific embodiment, in the double drive system hydraulic oil tank for rotary drilling rig, the temperature sensor 26 is connected with a temperature alarm (not shown in the figure), and when the oil temperature is abnormal, the temperature alarm sends an alarm signal to remind the operator to take timely measures to cool down, which helps to avoid system failure and damage caused by too high oil temperature.

[0033] As a specific embodiment, in the double drive system hydraulic oil tank for rotary drilling rig, the tank body 1 is provided with a liquid level meter 25 on the side wall, and the operator can more intuitively understand the liquid level in the tank body 1 by observing the liquid level meter 25.

[0034] On the other hand, the utility model also provides a rotary drilling rig, the rotary drilling rig includes above-mentioned double drive system hydraulic oil tank.

[0035] The working principle of the double drive system hydraulic oil tank for rotary drilling rig of the utility model is:

[0036] When the rotary drilling rig is started, the first drive pump 5 and the second drive pump 7 work at the same time to draw hydraulic oil from the tank 1 to supply two drive systems, the oil supply of the two drive systems can be independently adjusted, the operation requirements of the rotary drilling rig under complex working conditions are met, in the hydraulic oil circulation process, the liquid level sensor 24 and the temperature sensor 26 monitor the liquid level and temperature of the hydraulic oil in the tank 1 in real time, when the liquid level is too low or the temperature is abnormal, the liquid level alarm and the temperature alarm will send an alarm signal respectively, reminding the operator to supplement the hydraulic oil or take cooling measures in time.

[0037] Compared with the prior art, the rotary drilling rig and the double-drive system hydraulic oil tank have the following advantages and beneficial effects:

[0038] The device realizes independent oil supply and standby function of hydraulic oil by setting the double-drive pump system, when one of the drive pumps or related pipelines fails, the other drive pump can continue to work, ensuring the normal operation of the rotary drilling rig, greatly reducing the risk of failure downtime, the double-drive pump system can be flexibly configured and adjusted according to actual needs to meet the working requirements under different working conditions, which helps to improve the adaptability and working efficiency of the rotary drilling rig, by setting the filter 23, the liquid level sensor 24, the temperature sensor 26, the hydraulic alarm, the temperature alarm and other devices, the real-time monitoring and early warning of the hydraulic oil level and temperature in the tank 1 are realized, which helps to discover and handle potential safety hazards in time, improves the safety and reliability of the oil tank, the setting of the liquid level meter 25 makes the liquid level monitoring of the tank 1 more intuitive and convenient, which helps the operator to supplement the hydraulic oil in time and ensures the normal operation of the system.

[0039] It should be noted that, in this article, unless otherwise specified and limited, the term "connection" or its synonyms should be understood broadly, for example, "connection" can be fixed connection, can also be detachable connection; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through intermediate medium, can be internal communication of two elements or interaction relationship of two elements, for those skilled in the art, the specific meaning of the above-mentioned term in the utility model can be understood according to the specific circumstances. Moreover, such as "first" and "second" and other expressions are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between the entities or operations. At the same time, the term "includes", "contains" or any other variant thereof is intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed, or includes elements inherent to such process, method, article or equipment. In addition, "front", "back", "left", "right", "up", "down" and the like in this article are referred to the placement state shown in the drawings.

[0040] Finally, it should be pointed out that: the above examples are only used to illustrate the technical solutions of the utility model, but not to limit them; although the utility model has been described in detail with reference to the examples, those skilled in the art should understand that: the technical solutions recorded in the foregoing examples can still be modified, or some technical features can be replaced equivalently; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the utility model.

Claims

1. A dual drive system hydraulic oil tank for a rotary drilling rig, characterized by, The double drive system hydraulic oil tank for the rotary drilling rig comprises a tank body, a first oil port formed at one end of the tank body, a second oil port formed at the other end of the tank body, a first drive pump communicated with the first oil port through a first pipeline, and a second drive pump communicated with the second oil port through a second pipeline. Third and fourth oil ports are formed on the tank body on both sides of the first oil port, respectively, a fifth oil port is formed on the side of the third oil port away from the first oil port, and the fifth oil port is formed on the tank body. The first drive pump is communicated with a first auxiliary pump and a first pilot pump, the first auxiliary pump is communicated with a first cooling pump, the first cooling pump is communicated with the third oil port through a third pipeline, the first auxiliary pump is communicated with the fourth oil port through a fourth pipeline, and the first pilot pump is communicated with the fifth oil port through a fifth pipeline. The second drive pump is communicated with a second auxiliary pump and a second pilot pump, the second auxiliary pump is communicated with a second cooling pump, the second pipeline is communicated with a first interface, a second interface and a third interface, the second cooling pump is communicated with the first interface through the third pipeline, the second auxiliary pump is communicated with the second interface through the fourth pipeline, and the second pilot pump is communicated with the third interface through the fifth pipeline.

2. The dual drive system hydraulic oil tank for a rotary drilling rig according to claim 1, characterized by, The tank body is provided with a plurality of filters on the top.

3. The dual drive system hydraulic oil tank for a rotary drilling rig according to claim 2, characterized by, The number of the filters is 2-4.

4. The dual drive system hydraulic oil tank for a rotary drilling rig according to claim 1, characterized by, The tank body is provided with a liquid level sensor on the top.

5. The dual drive system hydraulic oil tank for a rotary drilling rig according to claim 4, characterized by, The liquid level sensor is connected with a liquid level alarm.

6. The dual drive system hydraulic oil tank for a rotary drilling rig according to claim 1, characterized by, The tank body is provided with a temperature sensor on the side wall.

7. The dual drive system hydraulic oil tank for a rotary drilling rig according to claim 6, characterized by, The temperature sensor is connected with a temperature alarm.

8. The dual drive system hydraulic oil tank for a rotary drilling rig according to claim 1, characterized by, The tank body is provided with a liquid level gauge on the side wall.

9. A rotary drilling rig, characterized by The rotary drilling rig comprises the double drive system hydraulic oil tank according to any one of claims 1-8.

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