CN103321977A - Non-excavation pipelaying drilling machine power protection distribution system - Google Patents
Non-excavation pipelaying drilling machine power protection distribution system Download PDFInfo
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- CN103321977A CN103321977A CN2013102853432A CN201310285343A CN103321977A CN 103321977 A CN103321977 A CN 103321977A CN 2013102853432 A CN2013102853432 A CN 2013102853432A CN 201310285343 A CN201310285343 A CN 201310285343A CN 103321977 A CN103321977 A CN 103321977A
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- plunger variable
- variable pump
- pressure relay
- distribution system
- drilling machine
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Abstract
The invention relates to a non-excavation pipelaying drilling machine power protection distribution system which comprises a closed plunger variable pump and a closed plunger variable motor, wherein the closed plunger variable pump is connected with an electric control handle through a control circuit, an oil inlet of the closed plunger variable pump is communicated with an oil tank, and an oil outlet and an oil return opening of the closed plunger variable pump are respectively connected with the closed plunger variable motor. The non-excavation pipelaying drilling machine power protection distribution system is characterized in that the electric control handle is sequentially connected with a first resistor and a second resistor, a first pressure relay and a second pressure relay are respectively connected into the first resistor and the second resistor in parallel, and an oil inlet of the first pressure relay and an oil inlet of the second pressure relay are respectively communicated with the oil outlet of the closed plunger variable pump. The non-excavation pipelaying drilling machine power protection distribution system can be reasonably matched with the pushing-pulling speed of a drilling machine, avoids flameout of a diesel engine, and effectively protects the diesel engine.
Description
Technical field
The present invention relates to a kind of non-excavation pipe-laying drilling rig power protection distribution system, belong to technical field of engineering machinery.
Background technique
In the trenchless engineering field of mechanical technique, diesel engine is the major component of non-excavation pipe-laying drilling rig, and whether its performance quality directly has influence on rig can keep good working order.When non-excavation pipe-laying drilling rig runs into larger resistance in construction, if diesel engine does not have enough power to support that hydraulic-pressure pump provides power source, cisco unity malfunction even flame-out phenomenon will appear.Because the factor of engineering machinery working environment, drill power head generally needs faster push-and-pull speed to save time when lost motion, and need to finely tune push-and-pull speed under the different operating modes, so the pump duty of rig control push pull maneuver is large, pressure is high, simultaneously have again the characteristic of stepless speed regulation, its rated power is much larger than engine power.When the push-and-pull speed of drill power head is cut the speed of underground soil layer faster than drilling tool, will cause very large load resistance, diesel engine can not provide enough power and cause stopping working at this moment.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, a kind of non-excavation pipe-laying drilling rig power protection distribution system is provided, reasonably mate rig push-and-pull speed, avoid diesel engine flame-out, effectively protect diesel engine.
According to technological scheme provided by the invention, a kind of non-excavation pipe-laying drilling rig power protection distribution system, comprise enclosed plunger variable pump and enclosed plunger variable motor, the enclosed plunger variable pump is connected with the electrical control handle by control circuit, the filler opening of enclosed plunger variable pump is communicated with fuel tank, and the oil outlet of enclosed plunger variable pump is connected with return opening with enclosed plunger variable motor and is connected; Feature is: described electrical control handle successively with the first resistance be connected resistance and be connected, the first pressure relay and the second pressure relay are linked in parallel connection respectively on the first resistance and the second resistance, and the filler opening of the first pressure relay and the second pressure relay is communicated with the oil outlet of enclosed plunger variable pump respectively.
Described electrical control handle is connected with control module.
Non-excavation pipe-laying drilling rig power protection distribution system of the present invention can reasonably mate rig push-and-pull speed, avoids diesel engine flame-out, effectively protects diesel engine.
Description of drawings
Fig. 1 is structural representation of the present invention.
Fig. 2 is circuit theory diagrams of the present invention.
Embodiment
The invention will be further described below in conjunction with concrete accompanying drawing.
Such as Fig. 1～shown in Figure 2: as described in non-excavation pipe-laying drilling rig power protection distribution system comprise fuel tank 1, enclosed plunger variable pump 2, enclosed plunger variable motor 3, electrical control handle 4, the first pressure relay 5, the first resistance 6, the second pressure relay 7, the second resistance 8, control module 9, power supply 10, oil outlet A, return opening B etc.
As shown in Figure 1, the present invention includes enclosed plunger variable pump 2 and enclosed plunger variable motor 3, the filler opening of enclosed plunger variable pump 2 is communicated with fuel tank 1, the oil outlet A of enclosed plunger variable pump 2 is connected with return opening B with enclosed plunger variable motor 3 and is connected, and high-voltage oil liquid is offered enclosed plunger variable motor 3; Described enclosed plunger variable pump 2 is connected with electrical control handle 4 by control circuit, and the discharge capacity of electrical control handle 4 control enclosed plunger variable pumps 2 and the fuel-displaced direction of oil outlet A, return opening B make enclosed plunger variable motor 3 carry out the push pull maneuver of rig; As shown in Figure 2, described electrical control handle 4 successively with the first resistance 6 be connected resistance 8 and be connected, the first pressure relay 5 and the second pressure relay 7 are linked in parallel connection respectively on the first resistance 6 and the second resistance 8, the first resistance 6 connects by the normally-closed contact short circuit of the first pressure relay 5, and the second resistance 8 connects by the normally-closed contact short circuit of the second pressure relay 7; The filler opening of described the first pressure relay 5 and the second pressure relay 7 is communicated with the oil outlet A of enclosed plunger variable pump 2 respectively.
As shown in Figure 2, described electrical control handle 4 is connected with control module 9, and control module 9 is according to the size of input current, the output discharge capacity of regulating enclosed plunger variable pump 2 by control electrical control handle 4.
In use, enclosed plunger variable pump 2 offers enclosed plunger variable motor 3 with high pressure oil, the first pressure relay 5 is set respectively two different cracking pressures with 7 of the second pressure relayes, the cracking pressure of the first pressure relay 5 is set as 22MPa, and the cracking pressure of the second pressure relay 7 is set as 26MPa.When load resistance is larger, when system pressure reached 22MPa, the first pressure relay 5 was opened and is sent signal its normally-closed contact is opened; Just can be with in the first resistance 6 independent Access Control circuit, the input current signal of control module just can reduce, and reduces the output discharge capacity of enclosed plunger variable pump 2.When load resistance is larger, when system pressure reached 26MPa, the second pressure relay 7 was also opened and is sent signal its normally-closed contact is opened; Just can be with in the first resistance 6 and the second resistance 8 simultaneously Access Control circuit, the input current signal of control module 9 just can further reduce, and further reduces the output discharge capacity of enclosed plunger variable pump 2.Can make rig according to actual conditions, suitably reduce the output discharge capacity of enclosed plunger variable pump 2, the push-and-pull speed appropriateness of rig is slowed down, system power also reduces thereupon, thereby reaches the purpose of protection diesel engine.
Claims (2)
1. a non-excavation pipe-laying drilling rig power is protected distribution system, comprise enclosed plunger variable pump (2) and enclosed plunger variable motor (3), enclosed plunger variable pump (2) is connected with electrical control handle (4) by control circuit, the filler opening of enclosed plunger variable pump (2) is communicated with fuel tank (1), and the oil outlet (A) of enclosed plunger variable pump (2) is connected B with return opening) be connected with enclosed plunger variable motor (3) respectively; It is characterized in that: described electrical control handle (4) successively with the first resistance (6) be connected resistance (8) and be connected, the first pressure relay (5) and the second pressure relay (7) are linked in parallel connection respectively on the first resistance (6) and the second resistance (8), and the filler opening of the first pressure relay (5) and the second pressure relay (7) is communicated with the oil outlet (A) of enclosed plunger variable pump (2) respectively.
2. non-excavation pipe-laying drilling rig power as claimed in claim 1 is protected distribution system, and it is characterized in that: described electrical control handle (4) is connected with control module (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310285343.2A CN103321977B (en) | 2013-07-09 | 2013-07-09 | Non-excavation pipelaying drilling machine power protection distribution system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310285343.2A CN103321977B (en) | 2013-07-09 | 2013-07-09 | Non-excavation pipelaying drilling machine power protection distribution system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103321977A true CN103321977A (en) | 2013-09-25 |
| CN103321977B CN103321977B (en) | 2015-06-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310285343.2A Active CN103321977B (en) | 2013-07-09 | 2013-07-09 | Non-excavation pipelaying drilling machine power protection distribution system |
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| CN (1) | CN103321977B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106438067A (en) * | 2016-11-22 | 2017-02-22 | 无锡市钻通工程机械有限公司 | Engine flameout-preventing control system of trenchless pipe-laying drilling machine |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US3942592A (en) * | 1974-08-12 | 1976-03-09 | Hughes Tool Company | Drill stem make-up and break-out system for earth drilling machines |
| DE29520217U1 (en) * | 1995-10-14 | 1997-02-20 | O&K Orenstein & Koppel AG, 13581 Berlin | Device for load-dependent automatic switching of at least one hydraulic swivel motor of a mobile construction or work machine |
| CN101799022A (en) * | 2009-02-06 | 2010-08-11 | 徐州重型机械有限公司 | Multi-pump work control method, device and system and crane |
| CN102182724A (en) * | 2011-03-29 | 2011-09-14 | 江苏柳工机械有限公司 | Method and system for controlling power matching of mobile working machine |
| CN102410267A (en) * | 2011-11-03 | 2012-04-11 | 徐州雷曼机械科技有限公司 | Synchronous control device of revolving speed of hydraulic walking mechanism engine and discharge of main pump |
| CN202755393U (en) * | 2012-09-07 | 2013-02-27 | 三一重机有限公司 | Automatic flameout resisting system and excavator thereof |
| CN203362660U (en) * | 2013-07-09 | 2013-12-25 | 无锡市钻通工程机械有限公司 | Power protection distribution system of non-excavation pipelaying drilling machine |
-
2013
- 2013-07-09 CN CN201310285343.2A patent/CN103321977B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3942592A (en) * | 1974-08-12 | 1976-03-09 | Hughes Tool Company | Drill stem make-up and break-out system for earth drilling machines |
| DE29520217U1 (en) * | 1995-10-14 | 1997-02-20 | O&K Orenstein & Koppel AG, 13581 Berlin | Device for load-dependent automatic switching of at least one hydraulic swivel motor of a mobile construction or work machine |
| CN101799022A (en) * | 2009-02-06 | 2010-08-11 | 徐州重型机械有限公司 | Multi-pump work control method, device and system and crane |
| CN102182724A (en) * | 2011-03-29 | 2011-09-14 | 江苏柳工机械有限公司 | Method and system for controlling power matching of mobile working machine |
| CN102410267A (en) * | 2011-11-03 | 2012-04-11 | 徐州雷曼机械科技有限公司 | Synchronous control device of revolving speed of hydraulic walking mechanism engine and discharge of main pump |
| CN202755393U (en) * | 2012-09-07 | 2013-02-27 | 三一重机有限公司 | Automatic flameout resisting system and excavator thereof |
| CN203362660U (en) * | 2013-07-09 | 2013-12-25 | 无锡市钻通工程机械有限公司 | Power protection distribution system of non-excavation pipelaying drilling machine |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106438067A (en) * | 2016-11-22 | 2017-02-22 | 无锡市钻通工程机械有限公司 | Engine flameout-preventing control system of trenchless pipe-laying drilling machine |
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| Publication number | Publication date |
|---|---|
| CN103321977B (en) | 2015-06-10 |
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Effective date of registration: 20160705 Address after: Hu Dai Industrial Park North District 214161 Jiangsu city of Wuxi Province Liu Bin Tang Road No. 2 Patentee after: Wuxi Drillto Trenchless Co., Ltd. Address before: Hu Dai Industrial Park North District 214161 Jiangsu city of Wuxi Province Liu Bin Tang Road No. 2 Patentee before: Wuxi Drillto Trenchless Co., Ltd. Patentee before: Shenzhen Zuantong Engineering Machinery Co., Ltd. |