CN204299474U - A kind of long spire extruding reaming bit device - Google Patents
A kind of long spire extruding reaming bit device Download PDFInfo
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- CN204299474U CN204299474U CN201420775059.3U CN201420775059U CN204299474U CN 204299474 U CN204299474 U CN 204299474U CN 201420775059 U CN201420775059 U CN 201420775059U CN 204299474 U CN204299474 U CN 204299474U
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Abstract
The utility model relates to a kind of long spire extruding reaming bit device.Be made up of hydraulic control system, hydraulic gyration device and screw extrusion reaming bit.The two spiral shell blade of single head single-screw bit blades, the reaming wing, double end and drill bit door are established in core pipe outside.Core pipe is inner, and rotary oil cylinder is connected with rotating shaft by coupling sleeve, and the fixing revolution in rotating shaft lower end otic placode, revolution otic placode and the reaming wing are connected together by bearing pin by revolution link rod.During work, oil pump is through hand-operated direction valve fuel feeding to hydraulic gyration device, then through sebific duct to rotary oil cylinder fuel feeding, rotary oil cylinder rotates through coupling sleeve driven rotary axle, rotating shaft orders about the reaming wing by revolution otic placode with revolution link rod and bearing pin and rotates around bearing pin, realizes opening and withdrawal of the reaming wing.The utility model is when carrying out ream operation, and the helical blade that the Rock And Soil that the reaming of reaming wing rotary squeezing is cut passes through to rotate, gradually to ground surface transmission, guarantees the quality of stake.Construct with this drill bit, pile bearing capacity is high, and cost is low, and operation controllability is strong.
Description
Technical field
The utility model relates to a kind of pore-forming facility in building pile foundation construction, particularly a kind of long spire extruding reaming bit device improving the bearing capacity of stake.
Background technology
In existing building pile foundation construction, long spiral press perfusion concrete-pile is widely used, and the bearing capacity of stake is mainly by the design of side frictional resistance, require the stake of large bearing capacity can only be long by increase stake or add timber pile footpath to realize, construction cost is high, and efficiency of construction is low, and construction surflaes is many.In the construction of existing long spire club-footed pile, reaming bottom is cut the Rock And Soil got off and is deposited at the bottom of stake holes, if outside cleaning portals, need special clear earthenware tool, one is time-consuming, and two is that easy collapse hole causes the accident.If do not clear up direct concrete perfusion, loosened soil at the bottom of hole is too many, and directly affect the quality of stake, settling amount is excessive.
Summary of the invention
In order to improve the bearing capacity of stake, reducing pile cost, the invention provides a kind of long spire extruding reaming bit device.
The technical solution adopted in the utility model is: a kind of long spire extruding reaming bit device, comprises screw extrusion reaming bit.Described screw extrusion reaming bit is:
Core pipe upper end is provided with flange I.
Core pipe lower end is flexibly connected with drill bit door by bearing pin I.
Core pipe is inner: rotary oil cylinder and rotating shaft are arranged on the axis of core pipe, and fix respectively by oil cylinder fixed mount and rotating shaft fixed mount and core inside pipe wall, rotary oil cylinder is provided with steel oil pipe A and steel oil pipe B, coupling sleeve coordinates by seal and rotating shaft fixed mount are dynamic, rotary oil cylinder is connected with rotating shaft by coupling sleeve, rotating shaft fixed mount is provided with the cylindrical rolling body be arranged symmetrically with, move at rotating shaft and rotating shaft fixed mount endoporus the axial plane coordinated is provided with symmetrical, for the curved surface rolling groove that rolling element passes through, be connected with revolution ear plate base bottom rotating shaft, be arranged on by the closed cavity formed with revolution ear plate base bottom rotating shaft by center steel ball I (17) symmetrically arranged two pieces revolution otic placode.
Core pipe is outside: drill bit door upper end installs the symmetrical reaming wing of the two spiral shell blade of double end, two pieces and single head single-screw bit blades successively, reaming wing one end is connected with core pipe with the reaming wing lug panel seat be located on core pipe by pin shaft II, and rotate around pin shaft II, the reaming wing other end is connected with revolution otic placode by revolution link rod in core pipe.
Core pipe is arranged with the opening passed through for reaming wing planar section at reaming wing place.
Reaming wing outer rim place, drill bit door mainboard place, the two Luo Yepianduanchu of double end are respectively equipped with cutting teeth I, cutting teeth II, cutting teeth III.
Above-mentioned long spire extruding reaming bit device, described rotary oil cylinder forms main body by end cap, cylinder body and cylinder blanking cover; Inner chamber of cylinder block matches with outer surface of piston, and piston one end is blind end, and the other end is flexibly connected with screw axis, and screw axis is fixed by bearing and bearing box and cylinder body, and steel oil pipe A and steel oil pipe B is installed at cylinder body two ends respectively.
Above-mentioned long spire extruding reaming bit device, one end of coupling sleeve is fixedly connected with the screw axis of rotary oil cylinder by flat key; The other end is slidably connected by spline pair and rotating shaft.
Above-mentioned long spire extruding reaming bit device, be provided with anticorrosive steel bushing, anticorrosive steel bushing and rotating shaft stationary fit are installed, and are installed by seal and rotating shaft fixed mount dynamic cooperation.
Above-mentioned long spire extruding reaming bit device, revolution link rod one end is connected with the reaming wing by pin shaft III, and the other end is connected with revolution otic placode by bearing pin IV.
Above-mentioned long spire extruding reaming bit device, the described reaming wing is made up of planar section and helicoid part, and pin shaft II is perpendicular to planar section, and the reaming wing is connected with revolution link rod by planar section.
Above-mentioned long spire extruding reaming bit device, during the non-open configuration of the reaming wing, the external profile diameter of the reaming wing is identical with the external profile diameter of single head single-screw bit blades and double end pair spiral shell blade.
Above-mentioned long spire extruding reaming bit device, be provided with hydraulic gyration device and hydraulic control system, hydraulic control system controls rotary oil cylinder by hydraulic gyration device, and the inner two steel oil pipe C of hydraulic gyration device are connected with steel oil pipe A in rotary oil cylinder inner chamber and steel oil pipe B by sebific duct.
Above-mentioned long spire extruding reaming bit device, described hydraulic gyration device is: revolving body upper end is provided with flange II, lower end is provided with flange III, revolving body and gland are connected as one by bolt, and be connected with fixed body by steel ball II, fixed body is respectively equipped with and connects otic placode and 2 oil connections, two the steel oil pipe C one end be located in revolving body are communicated with oil connection respectively, and the other end is connected respectively by the steel oil pipe A of sebific duct and rotary oil cylinder and steel oil pipe B.
Above-mentioned long spire extruding reaming bit device, described hydraulic control system is made up of filter, oil pump, overflow valve, hand-operated direction valve, bidirectional hydraulic lock, flowmeter, hydralic pressure gauge, motor and fuel tank; Oil pump is connected with hand-operated direction valve, and hand-operated direction valve is connected with bidirectional hydraulic lock by flowmeter, and bidirectional hydraulic lock is connected with rotary oil cylinder.
The beneficial effects of the utility model are: the utility model, owing to being provided with the reaming wing, can being opened completely and work under completely closed two states.During work, screw extrusion reaming bit is embedded in the dark left and right of 1.0m below concrete all the time, due to the reaming wing of screw extrusion reaming bit open after helically situation, the Rock And Soil that reaming wing extruding reaming is cut contains the effect of pressure concrete and drilling tool rotation in bottom under, ground surface can be transferred to gradually along the upper surface of helical blade, therefore can guarantee that the concrete of pile is interior and exist without surflaes.Owing to being provided with rotary oil cylinder, rotating shaft, revolution otic placode and revolution link rod, the folding of the control reaming wing automatically in core pipe can being realized and close.The utility model is when carrying out ream operation, and the helical blade that the Rock And Soil that the reaming of reaming wing rotary squeezing is cut passes through to rotate, gradually to ground surface transmission, guarantees the quality of stake.Construct with this drill bit, pile bearing capacity is high, and cost is low, and operation controllability is strong.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is structural representation of the present utility model (the reaming wing and drill bit door open mode).
Fig. 3 is the utility model core pipe internal structure schematic diagram.
Fig. 4 is the utility model rotary oil cylinder structural representation.
Fig. 5 is A-A sectional view in Fig. 4.
Fig. 6 is the utility model reaming wing structure schematic diagram.
Fig. 7 is the utility model reaming wing closure state schematic diagram.
Fig. 8 is that the utility model reaming wing is outwarded winding view.
Fig. 9 is the utility model hydraulic gyration device structural representation.
Figure 10 is the utility model hydraulic control system structural representation.
Figure 11 is working state figure of the present utility model.
Detailed description of the invention
Embodiment long spire extruding reaming bit device
As Figure 1-10 shows, long spire extruding reaming bit device is made up of screw extrusion reaming bit, hydraulic gyration device and hydraulic control system three part.
One, screw extrusion reaming bit
Screw extrusion reaming bit comprises flange (1), single head single-screw bit blades (2-1), the two spiral shell blade (2-2) of double end, core pipe (3), two symmetrically arranged reaming wings (4), drill bit door (5), bearing pin I (6), reaming wing lug panel seat (7), rotary oil cylinder (8), rotary oil cylinder fixed mount (9), flat key (10), coupling sleeve (11), rotating shaft fixed mount (12), pin shaft III (13), revolution link rod (14), bearing pin IV (15), revolution otic placode (16), steel ball I (17), revolution ear plate base (18), anticorrosive steel bushing (19), pin shaft II (20), rolling element (21), rotating shaft (22) and seal.The wherein part of flange (1), single head single-screw bit blades (2-1), the two spiral shell blade (2-2) of double end, the reaming wing (4), drill bit door (5), bearing pin I (6), reaming wing lug panel seat (7) and all exposed outside in core pipe (3) of pin shaft II (20), remaining part is all arranged on the inside of core pipe (3).
Core pipe (3) upper end is provided with flange I (1).
Core pipe (3) lower end is flexibly connected with drill bit door (5) by bearing pin I (6).
Core pipe (3) is inner: rotary oil cylinder (8) and rotating shaft (22) are arranged on the axis of core pipe (3), and fixes with core pipe (3) inwall respectively by oil cylinder fixed mount (9) and rotating shaft fixed mount (12).
As shown in Figure 4 and Figure 5, rotary oil cylinder (8) comprises end cap (8-1), bearing (8-3), cylinder body (8-4), piston (8-5), cylinder blanking cover (8-6), screw axis (8-7), bearing box (8-8), steel oil pipe A (8-9), steel oil pipe B (8-2), seal and bolt.Main body is formed by end cap (8-1), cylinder body (8-4) and cylinder blanking cover (8-6); Cylinder body (8-4) intracavity section is orthohexagonal, and piston with matching (8-5) outer surface cross section is orthohexagonal, and the inside of piston (8-5) is provided with dextrorotation trapezoidal internal thread, and its one end is blind end.Screw axis (8-7) one end is provided with trapezoidal thread, and coordinate for dynamic with piston (8-5) thread in inner cavity, trapezoidal thread pair is set to non-self lock.Screw axis (8-7) is fixed with cylinder body (8-4) by bearing (8-3) and bearing box (8-8), cylinder body (8-4) two ends install the steel oil pipe A (8-9) and steel oil pipe B (8-2) that can pass through for hydraulic oil respectively, and the screw axis (8-7) of rotary oil cylinder (8) is connected with rotating shaft (22) by coupling sleeve (11).
One end of coupling sleeve (11) is fixedly connected with screw axis (8-7) by flat key (10); The other end is slidably connected by spline pair (22-2) and rotating shaft (22), forms revolute simultaneously seal dynamic cooperation by seal and rotating shaft fixed mount (12).
Rotating shaft fixed mount (12) is provided with the cylindrical rolling body (21) be arranged symmetrically with, and moves on the axial plane coordinated be provided with symmetrical, that rolling element (21) can be supplied to pass through curved surface rolling groove (22-1) at rotating shaft (22) and rotating shaft fixed mount (12) endoporus.
Anticorrosive steel bushing (19) and rotating shaft (22) stationary fit are installed, and form dynamic fitted seal secondary by seal and rotating shaft fixed mount (12).
Rotating shaft (22) bottom forms revolution otic placode (16) pivotal sealing pair that can for be arranged symmetrically with revolution ear plate base (18) and seal, is arranged in the closed cavity be made up of rotating shaft (22) bottom and revolution ear plate base (18) by symmetrically arranged two pieces revolution otic placode (16) of center steel ball I (17).
Core pipe (3) is outside: drill bit door (5) upper end installs the symmetrical reaming wing (4) of the two spiral shell blade (2-2) of double end, two pieces and single head single-screw bit blades (2-1) successively.
As shown in Figure 6, the reaming wing (4) is made up of planar section (4-2) and helicoid part (4-3).The reaming wing (4) one end is connected with core pipe (3) with the reaming wing lug panel seat (7) be located on core pipe (3) by pin shaft II (20), the reaming wing (4) can rotate around pin shaft II (20), and pin shaft II (20) is perpendicular to planar section (4-2).The reaming wing (4) other end is connected with revolution link rod (14) by planar section (4-2) in core pipe (3).Revolution link rod (14) one end is connected with the reaming wing (4) by pin shaft III (13), and the other end is connected with revolution otic placode (16) by bearing pin IV (15).Two are arranged symmetrically with revolution link rod (14) is linked togather the reaming wing (4) and revolution otic placode (16) by pin shaft III (13) and bearing pin IV (15), and the two ends installing hole center line of revolution link rod (14) relatively can rotate in two parallel surfaces.During the reaming wing (4) non-open configuration, the external profile diameter of the reaming wing (4) is identical with the external profile diameter of the two spiral shell blade (2-2) of single head single-screw bit blades (2-1) and double end, and its inner chamber has enough spaces can pass through for concrete.
The radial section of the two spiral shell blade (2-2) of single head single-screw bit blades (2-1), double end and the reaming wing (4) helicoid part is right-angled trapezium.
The reaming wing (4) outer rim place, drill bit door (5) mainboard place, two spiral shell blade (2-2) the end place of double end are respectively equipped with cutting teeth I (4-1), cutting teeth II (5-1), cutting teeth III (2-3).
Core pipe (3) is arranged with the opening (3-1) passed through for the reaming wing (4) planar section at the reaming wing (4) place.
Two, hydraulic gyration device
Hydraulic gyration device is made up of flange II (24), revolving body (25), gland (26), steel ball II (27), connection otic placode (28), flange III (29), steel oil pipe C (30), oil connection (31), fixed body (32), seal and bolt etc.
As shown in Figure 9, revolving body (25) upper end is provided with flange II (24), lower end is provided with flange III (29), revolving body (25) and gland (26) are connected as one by bolt, and form rotary pair by steel ball II (27) and fixed body (32), rotary sealing is formed secondary by seal, fixed body (32) is respectively equipped with and connects otic placode (28) and 2 oil connections (31), two steel oil pipe C (30) one end be located in revolving body (25) are communicated with oil connection (31) respectively, the other end is connected respectively by the steel oil pipe A (8-9) of high-pressure rubber pipe and rotary oil cylinder (8) and steel oil pipe B (8-2).
When practical application, hydraulic gyration device is connected with screw extrusion reaming bit by master screw soil compaction drilling tool (400), the inner two steel oil pipe C (30) of hydraulic gyration device run through master screw soil compaction drilling tool inner chamber by high-pressure rubber pipe, connect with steel oil pipe A (8-9) in rotary oil cylinder (8) inner chamber and steel oil pipe B (8-2).
Three, hydraulic control system
Hydraulic control system comprises filter (33), oil pump (34), overflow valve (35), hand-operated direction valve (36), bidirectional hydraulic lock (37), flowmeter (38), hydralic pressure gauge (39), motor (40) and fuel tank (41).
As shown in Figure 10, oil pump (34) is connected with hand-operated direction valve (36), hand-operated direction valve (36) is connected with bidirectional hydraulic lock (37) by flowmeter (38), and bidirectional hydraulic lock (37) is connected with rotary oil cylinder (8).
Hydraulic control system controls rotary oil cylinder (8) by hydraulic gyration device.
Operation principle of the present utility model: screw extrusion reaming bit adopts large footpath core pipe, blade profile is right-angled trapezium, has extruding casting effect.The steel oil pipe C of hydraulic gyration device is connected respectively by the steel oil pipe A of high-pressure rubber pipe and rotary oil cylinder (8) and steel oil pipe B, and hydraulic gyration device is connected with hydraulic control system.Screw extrusion reaming bit has two kinds of working conditions: one is that the reaming wing (4) opens situation completely; One is the complete closed condition of the reaming wing.These two kinds of situations are realized by hydraulic control system.
The reaming wing (4) opens situation completely: manually reversal valve (36) is to the steel oil pipe B fuel feeding of rotary oil cylinder (8), in rotary oil cylinder (8), piston (8-5) is mobile, screw axis (8-7) is caused to be rotated counterclockwise by trapezoidal thread pair, screw axis (8-7) is rotated counterclockwise by coupling sleeve (11) and spline pair (22-2) driven rotary axle (22), meanwhile, non-plane motion is done along rolling groove (22-1) by fixing rolling element (21), driven rotary axle (22) moves up (as shown in Figure 3) as axial rotary.Along with rotating shaft (22) is done counterclockwise and the rotation moved up with axis, cause revolution otic placode (16) and revolution link rod (14) to promote the reaming wing (4) to open around pin shaft II (20) rotation, until maximum deployed position, oil cylinder piston (8-5) is to range place, hydralic pressure gauge (39) the display reaming wing (4) opens operating pressure, and in flowmeter (38), the E1 display reaming wing (4) opens hydraulic fluid flow rate value.Now meta changed to by hand-operated direction valve (36), the oil cylinder that stops the rotation (8) fuel feeding, and bidirectional hydraulic lock (37) works, and pins piston (8-5) position, thus realizes stable opening situation.
The reaming wing (4) is closed condition completely: hand-operated direction valve (36) commutation is to the steel oil pipe A fuel feeding of rotary oil cylinder (8), piston (8-5) is mobile, screw axis (8-7) is caused to turn clockwise, screw axis (8-7) is turned clockwise by coupling sleeve (11) and spline pair (22-2) driven rotary axle (22), meanwhile, non-plane motion is done along rolling groove (22-1) by fixing rolling element (21), driven rotary axle (22) moves down as axial rotary, along with rotating shaft (22) is done clockwise and the rotation moved down with axis, cause and pull the reaming wing (4) to do to regain rotation around pin shaft II (20) by revolution otic placode (16) and revolution link rod (14), until be recovered to extreme position, oil cylinder piston (8-5) is to range place, operating pressure regained by hydralic pressure gauge (39) the display reaming wing (4), in flowmeter (38), E2 shows the reaming wing (4) withdrawal hydraulic fluid flow rate value.Now meta changed to by hand-operated direction valve (36), the oil cylinder that stops the rotation (8) fuel feeding, and bidirectional hydraulic lock (37) works, and pins piston (8-5) position, thus realizes stable closed condition.
Just can determine whether the reaming wing (4) opens completely with completely closed by flow value in the force value of hydralic pressure gauge (39) and flowmeter (38) during operation.
Embody rule of the present utility model: as shown in figure 11, the fixed body of hydraulic gyration device (200) is fixed on unit head assembly (300) by connecting otic placode, turnover oil connection on fixed body is connected by rotating oil cylinder hydraulic control system in high-pressure rubber pipe and operating room, hydraulic gyration device inner chamber steel oil pipe C by high-pressure rubber pipe, is connected through rotary oil cylinder steel oil pipe A (8-9) of master screw extruding drilling tool (400) inner chamber and screw extrusion reaming bit (100) inner chamber and steel oil pipe B (8-2).
The construction method of long auger pressure pouring concrete pile is followed in the construction of long spire extruding hole-expanding pile.Screw extrusion reaming bit is embedded in the dark left and right of 1.0m below concrete all the time, and the force value of pump concrete is 3 ~ 4Mp, and with pressure when ensureing to promote drill bit.Due to the reaming wing of screw extrusion reaming bit open after helically situation, the Rock And Soil that reaming wing extruding reaming is cut contains the effect of pressure concrete and drilling tool rotation in bottom under, ground surface can be transferred to gradually along the upper surface of helical blade, guarantee that the concrete of pile is interior and exist without surflaes.Specific construction process as shown in figure 11.
1) long spire extruding reaming pile-forming machine perching, drill bit align piles position, as shown in Figure 11 (a).
2) start unit head and main winch to turn clockwise drilling tool discharge unit head downwards.Now in screw extrusion reaming bit, the reaming wing is in complete closed condition, and drilling tool drives drill bit to make extruding casting formula and creeps into, till projected depth.Now ensure that drilling tool rotates, as shown in Figure 11 (b).
3) master winch promotes unit head about 300 ~ 400mm, and drill bit door is opened.Start concrete pump to delivering concrete in drilling tool core pipe, observe concrete conveyance pump pressure, when the pressure was increased, start the hydraulic control system of rotary oil cylinder in drill bit, open the reaming wing on drill bit to rotary oil cylinder fuel feeding, slowly upwards promote unit head simultaneously, flowmeter and the Pressure gauge of observing rotary oil cylinder control loop are determined to open situation completely, along with lifting unit head simultaneous pumping concrete, until stop unit head promoting after design reaming section height.Change rotary oil cylinder fuel feeding direction in drill bit, the reaming wing is regained, observation control loop Pressure gauge and flowmeter determine that the reaming wing is completely closed.Continue to promote unit head and pump concrete, until ground surface, stop unit head and concrete pump.As shown in Figure 11 (C).
4) in the stake holes of having filled with, put steel reinforcement cage, with vibrator, steel reinforcement cage is pressed into designed elevation, as Figure 11 (d), complete and once construct.
5) long spire extruding hole-expanding pile one or more snippets reaming place, large about the 200 ~ 400mm of the comparable original diameter of reaming place diameter, as Figure 11 (e), (f).
Claims (10)
1. a long spire extruding reaming bit device, is characterized in that: comprise screw extrusion reaming bit; Described screw extrusion reaming bit:
Core pipe (3) upper end is provided with flange I (1);
Core pipe (3) lower end is flexibly connected with drill bit door (5) by bearing pin I (6);
Core pipe (3) is inner: rotary oil cylinder (8) and rotating shaft (22) are arranged on the axis of core pipe (3), and fix with core pipe (3) inwall respectively by oil cylinder fixed mount (9) and rotating shaft fixed mount (12), rotary oil cylinder (8) is provided with steel oil pipe A (8-9) and steel oil pipe B (8-2), coupling sleeve (11) coordinates by seal and rotating shaft fixed mount (12) are dynamic, rotary oil cylinder (8) is connected with rotating shaft (22) by coupling sleeve (11), rotating shaft fixed mount (12) is provided with the cylindrical rolling body (21) be arranged symmetrically with, rotating shaft (22) and rotating shaft fixed mount (12) endoporus move the axial plane coordinated and are provided with symmetrical, for the curved surface rolling groove (22-1) that rolling element (21) passes through, rotating shaft (22) bottom is connected with revolution ear plate base (18), be arranged on by symmetrically arranged two pieces revolution otic placode (16) of center steel ball I (17) in the closed cavity be made up of gyroaxis (22) bottom and revolution ear plate base (18),
Core pipe (3) is outside: drill bit door (5) upper end installs the symmetrical reaming wing (4) of the two spiral shell blade (2-2) of double end, two pieces and single head single-screw bit blades (2-1) successively, the reaming wing (4) one end is connected with core pipe (3) with the reaming wing lug panel seat (7) be located on core pipe (3) by pin shaft II (20), and rotate around pin shaft II (20), the reaming wing (4) other end is connected with revolution otic placode (16) by revolution link rod (14) in core pipe (3);
Core pipe (3) is arranged with the opening (3-1) passed through for the reaming wing (4) planar section at the reaming wing (4) place; The reaming wing (4) outer rim place, drill bit door (5) mainboard place, two spiral shell blade (2-2) the end place of double end are respectively equipped with cutting teeth I (4-1), cutting teeth II (5-1), cutting teeth III (2-3).
2. long spire extruding reaming bit device as claimed in claim 1, is characterized in that: described rotary oil cylinder (8) forms main body by end cap (8-1), cylinder body (8-4) and cylinder blanking cover (8-6); Cylinder body (8-4) inner chamber matches with piston (8-5) outer surface, piston (8-5) one end is blind end, the other end is flexibly connected with screw axis (8-7), screw axis (8-7) is fixed with cylinder body (8-4) by bearing (8-3) and bearing box (8-8), and steel oil pipe A (8-9) and steel oil pipe B (8-2) is installed at cylinder body (8-4) two ends respectively.
3. long spire extruding reaming bit device as claimed in claim 1, is characterized in that: one end of coupling sleeve (11) is fixedly connected with the screw axis (8-7) of rotary oil cylinder (8) by flat key (10); The other end is slidably connected by spline pair (22-2) and rotating shaft (22).
4. long spire extruding reaming bit device as claimed in claim 1, it is characterized in that: be provided with anticorrosive steel bushing (19), anticorrosive steel bushing (19) and rotating shaft (22) stationary fit are installed, and are installed by seal and rotating shaft fixed mount (12) dynamic cooperation.
5. long spire extruding reaming bit device as claimed in claim 1, it is characterized in that: revolution link rod (14) one end is connected with the reaming wing (4) by pin shaft III (13), and the other end is connected with revolution otic placode (16) by bearing pin IV (15).
6. long spire extruding reaming bit device as claimed in claim 1, it is characterized in that: the described reaming wing (4) is made up of planar section (4-2) and helicoid part (4-3), pin shaft II (20) is perpendicular to planar section (4-2), and the reaming wing (4) is connected with revolution link rod (14) by planar section (4-2).
7. long spire extruding reaming bit device as claimed in claim 1, it is characterized in that: during the reaming wing (4) non-open configuration, the external profile diameter of the reaming wing (4) is identical with the external profile diameter of the two spiral shell blade (2-2) of single head single-screw bit blades (2-1) and double end.
8. the long spire extruding reaming bit device as described in as arbitrary in claim 1-7, it is characterized in that: be provided with hydraulic gyration device and hydraulic control system, hydraulic control system controls rotary oil cylinder (8) by hydraulic gyration device, and the inner two steel oil pipe C (30) of hydraulic gyration device are connected with the steel oil pipe A (8-9) in rotary oil cylinder (8) inner chamber and steel oil pipe B (8-2) by sebific duct.
9. long spire extruding reaming bit device as claimed in claim 8, it is characterized in that: described hydraulic gyration device is: revolving body (25) upper end is provided with flange II (24), lower end is provided with flange III (29), revolving body (25) and gland (26) are connected as one by bolt, and be connected with fixed body (32) by steel ball II (27), fixed body (32) is respectively equipped with and connects otic placode (28) and 2 oil connections (31), two steel oil pipe C (30) one end be located in revolving body (25) are communicated with oil connection (31) respectively, the other end is connected respectively by the steel oil pipe A (8-9) of sebific duct and rotary oil cylinder (8) and steel oil pipe B (8-2).
10. long spire extruding reaming bit device as claimed in claim 8, is characterized in that: described hydraulic control system is made up of filter (33), oil pump (34), overflow valve (35), hand-operated direction valve (36), bidirectional hydraulic lock (37), flowmeter (38), hydralic pressure gauge (39), motor (40) and fuel tank (41); Oil pump (34) is connected with hand-operated direction valve (36), hand-operated direction valve (36) is connected with bidirectional hydraulic lock (37) by flowmeter (38), and bidirectional hydraulic lock (37) is connected with rotary oil cylinder (8).
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| CN201420775059.3U CN204299474U (en) | 2014-12-10 | 2014-12-10 | A kind of long spire extruding reaming bit device |
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| CN201420775059.3U CN204299474U (en) | 2014-12-10 | 2014-12-10 | A kind of long spire extruding reaming bit device |
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| CN104832094A (en) * | 2015-05-08 | 2015-08-12 | 黑龙江中古建筑节能科技股份有限公司 | Long auger drilling and base-expanding complete device and reaming method |
| CN105672926A (en) * | 2016-01-19 | 2016-06-15 | 宝鸡石油机械有限责任公司 | Hydraulic driving type protecting cap spinner device for submarine drilling machine |
| CN107514234A (en) * | 2017-08-31 | 2017-12-26 | 北京工业大学 | A kind of squeezed device of hydraulic pressure |
| CN108266131A (en) * | 2018-03-13 | 2018-07-10 | 刘守进 | Rotate soil compaction bottom expanding drill and method for constructing foundation pile |
| CN112196468A (en) * | 2020-10-15 | 2021-01-08 | 东北石油大学 | Hydraulic drive reaming while drilling tool |
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| CN108266131A (en) * | 2018-03-13 | 2018-07-10 | 刘守进 | Rotate soil compaction bottom expanding drill and method for constructing foundation pile |
| CN112196468A (en) * | 2020-10-15 | 2021-01-08 | 东北石油大学 | Hydraulic drive reaming while drilling tool |
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