CN204511287U - A kind of drilling rod bidirectional hydraulic driving arrangement - Google Patents
A kind of drilling rod bidirectional hydraulic driving arrangement Download PDFInfo
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- CN204511287U CN204511287U CN201520174314.3U CN201520174314U CN204511287U CN 204511287 U CN204511287 U CN 204511287U CN 201520174314 U CN201520174314 U CN 201520174314U CN 204511287 U CN204511287 U CN 204511287U
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Abstract
The utility model relates to drilling rod bidirectional hydraulic driving arrangement, effectively solves drilling rod and is driven by motor, inefficiency, affect the problem such as use safety and life-span, its technical scheme solved comprises frame, frame is provided with motor, motor is connected with closed type hydraulic pump, closed type hydraulic pump is through connecting fluid pressure motor, hydraulic motor lower end is connected with drilling rod pipe, hydraulic means comprises closed type hydraulic pump, the oil-in of closed type hydraulic pump is connected fuel tank respectively with oil return opening, two oil-feed ports of closed type hydraulic pump connect hydraulic motor respectively, closed type hydraulic pump comprises bidirectional variable hydraulic pump, bidirectional variable hydraulic pump connects make-up pump, make-up pump connects the first overflow valve or the second overflow valve, first overflow valve or the second overflow valve connect flushing valve, bidirectional variable hydraulic pump connects 3-position 4-way hand-operated direction valve, the utility model hydraulic motor volume is little, output torque is large, thus the volume and weight of reducer is alleviated, simple with hydraulic control, effectively can prevent that drilling rod is stuck, fracture.
Description
Technical field
The utility model relates to Hydraulic pile-driving machine technical field, particularly a kind of drilling rod bidirectional hydraulic driving arrangement.
Background technology
Deep-mixing pile driver is the novel facility carrying out Soft foundation treatment.It uses powder jetting or slurry jet agitation method principle, and in soft foundation soil, the powder such as jet cement or lime curing compound or slurry are also stirred, and the mode making it pile comes strengthening soft foundation basis.
It is very general in industrially developed country's application that stake is stirred in economic spray that is reliable, easy construction.At home, spray stirs a machine under the working in concert of relevant works department, through updating, reaching its maturity, developing into present PH-5D type series of products.If in addition increase a set of drilling rod bidirectional hydraulic driving arrangement, this machine can be made to become dust, dual-purpose deep-layer stirring equipment of whitewashing.
At present, the mixing pile machine having installed drilling rod bidirectional hydraulic driving arrangement additional extensively successfully applies in the consolidation process of the Soft Soil Ground And Foundations such as railway bed, highway, port construction, municipal engineering, industry and civilian construction.Facts have proved, the machine is suitable for multiple soft foundation reinforcing method, can reach ground stabilization or improvement, improves bearing capacity of foundation soil, reduces settlement of foundation, and carries out slope reinforcement, the object such as diaphragm wall and underground engineering support.
Cement mixing pile machine is made up of underframe, derrick and ancillary service etc.Drilling rod is attached between the parallel upright guide rail road of two of a motor-pumped well frame front portion.Control it with lifting chain to move up and down.Derrick is steelwork tower truss, is provided with sprocket wheel, chain, gear-box, motor at its rear portion, controls drilling rod move up and down in order to lifting chain, makes drilling rod according to design injection stratum exactly, orientation.The fundamental technics parameter of cement mixing pile machine is rig rotating speed, peak torque, hoisting velocity.
The drilling rod of now traditional cement mixing pile machine is single pole unidirectional motion mode, if adopt two-way, two-pipe piling, both drilling rod (square tube) the inside added an interior drilling rod (round tube) outside, two drilling rods do reverse movement simultaneously, just penetration rate can be improved, and stir fully cement paste and mud, the pile-forming effect made is significantly improved.The Power Drive Unit of initial interior drilling rod is all motor direct-drive reducer, and then reducer drives drilling rod to hole.This traditional drive unit is very large due to motor volume, causes reducer to be at volume or all very heavy in weight, so just brings very large inconvenience to complete equipment, and affect use safety and the life-span of complete machine.
Be in the Chinese patent of 201420063844.6 at number of patent application, disclose that " one is bidirectional stirring pile machine safely and efficiently, comprise a machine chassis, derrick, interior drilling rod, outer drilling rod, rotating disk and the first motor be fixedly mounted on described stake machine chassis, outer drilling rod described in the first described motor is driven by reversing speed variator and described rotating disk rotates, it is characterized in that described derrick is provided with for drive described in the fluid pressure drive device that rotates of drilling rod, described stake machine chassis is fixedly installed hydraulic system, described hydraulic system comprises fuel tank, second motor, gear pump, overflow valve, reversal valve and cooler, the second described motor is electrically connected with described gear pump, described gear pump is connected by oil pipe with described fuel tank, described gear pump is connected by oil pipe with described overflow valve, described overflow valve is connected with described reversal valve respectively by oil pipe with described cooler, described cooler is connected with described fuel tank, described reversal valve is connected with described fluid pressure drive device by oil pipe." this patent problem to be solved be short of power, loss is large, volume is large, the problem of Operation and maintenance inconvenience.
Summary of the invention
For above-mentioned situation, for overcoming the defect of prior art, the object of the utility model is just to provide a kind of drilling rod bidirectional hydraulic driving arrangement, effectively solves traditional drilling rod and is driven by motor, inefficiency, heavy, affect use safety and life-span, drilling rod is driven by motor, and moment of torsion is little, accuracy is not high, the inferior problem of fragile and inefficiency.
Its technical scheme solved is, comprise L shape frame, L shape frame is provided with motor, motor is connected with shaft coupling, shaft coupling connects closed type hydraulic pump, closed type hydraulic pump connects the hydraulic motor of L shape frame side through hydraulic means, hydraulic motor lower end is connected with reducer, reducer lower end is connected with round drilling rod pipe, hydraulic means comprises closed type hydraulic pump, the oil-in of closed type hydraulic pump is connected fuel tank through the first low-pressure filter with the second low-pressure filter respectively with oil return opening, two oil-feed ports of closed type hydraulic pump are respectively through the first high pressure filter and the second high pressure filter connecting fluid pressure motor, closed type hydraulic pump comprises bidirectional variable hydraulic pump, bidirectional variable hydraulic pump connects make-up pump, make-up pump presses through filter through third high and connects the first overflow valve or the second overflow valve, first overflow valve or the second overflow valve connect flushing valve, bidirectional variable hydraulic pump connects 3-position 4-way hand-operated direction valve.
The utility model structure is ingenious, and input cost is low, simple to operate, and hydraulic motor volume is little, output torque is large, thus the volume and weight of reducer is alleviated, simple with hydraulic control, effectively can prevent that drilling rod is stuck, fracture.Hydraulic motor can electrodeless variable-speed, thus reaches and select suitable rate of penetration according to the situation at scene, makes whole stake machine reach runnability reliable.
Accompanying drawing explanation
Fig. 1 is the utility model syndeton schematic diagram.
Fig. 2 is the utility model hydraulic principle schematic diagram.
Detailed description of the invention
Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is described in further detail.
Provided by Fig. 1 to Fig. 2, the utility model comprises L shape frame 1, L shape frame 1 is provided with motor 2, motor 2 is connected with shaft coupling 3, shaft coupling 3 connects closed type hydraulic pump 4, closed type hydraulic pump 4 connects the hydraulic motor 6 of L shape frame 1 side through hydraulic means 5, hydraulic motor 6 lower end is connected with reducer 7, reducer 7 lower end is connected with round drilling rod pipe 8, hydraulic means 5 comprises closed type hydraulic pump 4, the oil-in 5 of closed type hydraulic pump 4 is connected fuel tank 9 through the first low-pressure filter 7 with the second low-pressure filter 8 respectively with oil return opening 6, two oil-feed ports of closed type hydraulic pump 4 are respectively through the first high pressure filter 10 and the second high pressure filter 11 connecting fluid pressure motor 6, closed type hydraulic pump 4 comprises bidirectional variable hydraulic pump 12, bidirectional variable hydraulic pump 12 connects make-up pump 13, make-up pump 13 presses through filter 14 through third high and connects the first overflow valve 15 or the second overflow valve 16, first overflow valve 15 or the second overflow valve 16 connect flushing valve 17, bidirectional variable hydraulic pump 12 connects 3-position 4-way hand-operated direction valve 18.
Described L shape frame 1 lower end is provided with and supports 19.
Described L shape frame 1 right angle connects through expansion link 20.
When the utility model uses, starter motor 2, motor 2 drives hydraulic motor 6 to work through shaft coupling 3, hydraulic motor 6 drives adjustable screw drilling rod 8 through coming, concrete hydraulic-driven using state is, when motor 2 rotates forward, motor 2 drives bidirectional variable hydraulic pump 12 through shaft coupling 3, oil in fuel tank 9 enters in closed type hydraulic pump 4 through the first low-pressure filter 7, now enter oil in closed type hydraulic pump 4 by the first overflow valve 15 to control maximum pressure, then from closed type hydraulic pump 4 out time give hydraulic motor 6 fuel feeding through the first high pressure filter 10, hydraulic motor 6 is driven to work, hydraulic motor 6 drives round drilling rod pipe 8 to work, and return line enters closed type hydraulic pump 4 through the second high pressure filter 11, then fuel tank is got back to through the second low-pressure filter 8.
When needs motor 2 reverses, three position four-way directional control valve 18 is rotated with hand, starter motor 2, motor 2 drives bidirectional variable hydraulic pump 12 through shaft coupling 3, oil in fuel tank 9 enters closed type hydraulic pump 4 through the first low-pressure filter 7, oil in closed type hydraulic pump 4 controls maximum pressure through the second overflow valve 16, then from closed type hydraulic pump 4 out time give hydraulic motor 6 fuel feeding through the second high pressure filter 11, hydraulic motor 6 is driven to work, hydraulic motor 6 drives round drilling rod pipe 8 to work, and oil return pipe enters closed type hydraulic pump 4 through the second high pressure filter 11 then gets back to fuel tank 9 through the first low-pressure filter 7.
Third high presses through filter 14 and is used for regulating and filters the oil of make-up pump 13, when bidirectional variable hydraulic pump 12 need certain oily time, actual inadequate often when giving bidirectional variable hydraulic pump 12 fuel feeding, now need make-up pump 13 to come to bidirectional variable hydraulic pump 12 fuel feeding.Make-up pump 13 provides enough cooling fluid force feeds to let out replenisher force feed to maintain in main system and system works element for system.In any case, should guarantee that oil compensation pressure is within prescribed limit, to avoid transmitting component wear in loop.Make-up pump 13 is a fixed displacement impeller pump, by main shaft Direct driver.
Flushing valve 17 utilizes the pressure reduction in high pitched tune and low chamber to carry out draining to closed type hydraulic pump 4 system, is generally used for cleaning deep fat, plays cooling and thermolysis.
The first high pressure filter 10, second high pressure filter 11, first overflow valve 15, second overflow valve 16 just a kind of embodiment of lock process is rotated and reverse in above-described embodiment, controlled pressure is carried out through the second overflow valve 16 when it also can rotate forward, come to hydraulic motor 6 fuel feeding through the second high pressure filter 11, then contrary during reversion.
Hydraulic system utilizes hydraulic pump that the mechanical energy of prime mover is converted to the pressure energy of liquid, transferring energy is carried out by the change of fluid pressure energy, through the transmission of various control valve and pipeline, by means of hydraulic actuator (hydraulic cylinder or motor), fluid pressure can be converted to mechanical energy, thus drive operating mechanism, realize straight reciprocating motion and gyration.
The utility model is through the design of hydraulic principle and improvement, present use fluid motor-driven reducer, reducer drives drilling rod again, alleviate the machine lotus of derrick and whole frame, improve output torque, use whole equipment use efficiency to be significantly improved, pile-forming speed and successful are improved.
The utility model structure is ingenious, input cost is low, simple to operate, hydraulic motor volume is little, output torque is large, thus the volume and weight of reducer is alleviated, simple with hydraulic control, effectively can prevent that drilling rod is stuck, fracture, hydraulic motor can electrodeless variable-speed, thus reach and select suitable rate of penetration according to the situation at scene, make whole stake machine reach runnability safe and reliable.
Claims (3)
1. a drilling rod bidirectional hydraulic driving arrangement, comprise L shape frame (1), it is characterized in that, L shape frame (1) is provided with motor (2), motor (2) is connected with shaft coupling (3), shaft coupling (3) connects closed type hydraulic pump (4), closed type hydraulic pump (4) connects the hydraulic motor (6) of L shape frame (1) side through hydraulic means (5), hydraulic motor (6) lower end is connected with reducer (7), reducer (7) lower end is connected with round drilling rod pipe (8), hydraulic means (5) comprises closed type hydraulic pump (4), the oil-in (5) of closed type hydraulic pump (4) is connected fuel tank (9) through the first low-pressure filter (7) with the second low-pressure filter (8) respectively with oil return opening (6), two oil-feed ports of closed type hydraulic pump (4) are respectively through the first high pressure filter (10) and the second high pressure filter (11) connecting fluid pressure motor (6), closed type hydraulic pump (4) comprises bidirectional variable hydraulic pump (12), bidirectional variable hydraulic pump (12) connects make-up pump (13), make-up pump (13) presses through filter (14) through third high and connects the first overflow valve (15) or the second overflow valve (16), first overflow valve (15) or the second overflow valve (16) connect flushing valve (17), bidirectional variable hydraulic pump (12) connects 3-position 4-way hand-operated direction valve (18).
2. a kind of drilling rod bidirectional hydraulic driving arrangement according to claim 1, is characterized in that, described L shape frame (1) lower end is provided with and supports (19).
3. a kind of drilling rod bidirectional hydraulic driving arrangement according to claim 1, is characterized in that, described L shape frame (1) right angle connects through expansion link (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520174314.3U CN204511287U (en) | 2015-03-26 | 2015-03-26 | A kind of drilling rod bidirectional hydraulic driving arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520174314.3U CN204511287U (en) | 2015-03-26 | 2015-03-26 | A kind of drilling rod bidirectional hydraulic driving arrangement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204511287U true CN204511287U (en) | 2015-07-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520174314.3U Expired - Fee Related CN204511287U (en) | 2015-03-26 | 2015-03-26 | A kind of drilling rod bidirectional hydraulic driving arrangement |
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| CN (1) | CN204511287U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107587842A (en) * | 2017-09-18 | 2018-01-16 | 陈志桂 | A kind of efficiently power cable device |
-
2015
- 2015-03-26 CN CN201520174314.3U patent/CN204511287U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107587842A (en) * | 2017-09-18 | 2018-01-16 | 陈志桂 | A kind of efficiently power cable device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150729 Termination date: 20160326 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |