CN109798080A - A kind of push-in water feeder and its construction method - Google Patents
A kind of push-in water feeder and its construction method Download PDFInfo
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- CN109798080A CN109798080A CN201910039182.6A CN201910039182A CN109798080A CN 109798080 A CN109798080 A CN 109798080A CN 201910039182 A CN201910039182 A CN 201910039182A CN 109798080 A CN109798080 A CN 109798080A
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Abstract
The invention discloses a kind of push-in water feeder and its construction methods to be equipped with high pressure water interface including mandrel, bearing and the bearing sleeve coaxially successively laid from inside to outside on the side wall of mandrel；It further include coaxially closely being sleeved on the power transmission hollow shaft that in mandrel and can be moved axially；The closed end of power transmission hollow shaft is equipped with pressure handle and rolling element, and the open end of power transmission hollow shaft is equipped with coaxial core bar；Coaxial annular piston, claw pushing clamping sleeve and claw are successively arranged between the outer wall of core bar and bearing sleeve inner wall；Claw includes the claw piece for the arc being circumferentially arranged, and claw piece inner wall of end is calvus lozenges；Piston block is equipped between calvus lozenges and core bar outer wall, piston block is wedge-shaped outer wall close to the wall surface of calvus lozenges, and the first spring along core bar radial direction is equipped between piston block and core bar.The present invention is able to achieve water feeder safely and reliably with the quick connection of drilling rod internal screw thread, improves drilling efficiency, meets the requirement of rotary drilling and high pressure sealing.
Description
Technical field
The invention belongs to the technical fields of underground coal mine water feeder, and in particular to a kind of push-in water feeder and its construction party
Method.
Background technique
In underground coal mine drilling process, need water feeder to drilling rod delivered inside high pressure washing medium deslagging or drive hole
Bottom power motor.In the prior art, water feeder cannot be realized with drilling rod and quickly be connect, and during installing drilling rod additional, be needed
Frequently handling water feeder is commonly provided with special messenger's manual operation.Currently, the threaded connection of water feeder and drilling rod rely on substantially manually into
Row twists button manually, and pipe wrench is tightened, to guarantee that connection is safe and reliable.In unloading water feeder, bigger shackle power is needed, it is existing to send
The operation of the connection type of hydrophone and drilling rod is relatively complicated, time-consuming and laborious.Therefore, it is necessary to one kind to carry out fastly with drilling rod internal screw thread
Speed connection and the water feeder for having sealing function, to reduce labor intensity, improve drilling efficiency.
Summary of the invention
It is for the defects in the prior art and insufficient, the present invention provides a kind of push-in water feeder and its construction method,
Overcome the efficiency of loading and unloading between current water feeder and drilling rod low, the defects such as cause drilling efficiency low.
In order to achieve the above objectives, the invention adopts the following technical scheme:
A kind of push-in water feeder, including mandrel, bearing and the bearing sleeve coaxially successively laid from inside to outside, in mandrel
Side wall on high pressure water interface is installed；Further include coaxially closely be sleeved in mandrel and can move axially it is closed at one end and another
Power transmission hollow shaft open at one end；The high pressure water sealing joint is connected to power transmission hollow shaft；
The closed end of power transmission hollow shaft and one end of mandrel are concordant and be equipped with pressure handle and between pressure handle and closed end
Rolling element, the open end of power transmission hollow shaft and the other end of mandrel it is concordant and be equipped with can with power transmission hollow shaft move axially and with
The coaxial core bar of power transmission hollow shaft；
Being successively arranged between the outer wall and bearing sleeve inner wall of core bar can be with the axial movement of power transmission hollow shaft and empty with power transmission
The coaxial annular piston of mandrel, claw pushing clamping sleeve and the claw for loading and unloading drilling rod；The claw includes the arc being circumferentially arranged
Claw piece, claw piece inner wall of end be calvus lozenges；
Piston block is equipped between the calvus lozenges and core bar outer wall, piston block is close to the wall surface of calvus lozenges
With the wedge-shaped outer wall of calvus lozenges cooperation, the first spring along core bar radial direction is equipped between piston block and core bar.
The invention also includes following technical characteristics:
Optionally, there are four the claw pieces, two opposite two-by-two and opposite claw pieces of four claw pieces are one group,
Claw piece includes the curved portion that one end is in contact with the end of claw pushing clamping sleeve, is equipped with spiral shell in the other end connection outer wall of curved portion
The elastic piece of line tooth, the inner wall of end of elastic piece are the calvus lozenges, and the thread of two groups of claw pieces differs half
The pitch of thread；
Each claw piece corresponds to a piston block, is connected with transmission rod, and each work between two neighboring piston block
Connect a transmission rod on chock.
Optionally, it is radially provided with piston groove along core bar on the outer wall of the core bar end, each piston block correspondence is set
In a piston groove, and four piston blocks are circumferentially uniformly distributed along core bar；
It is hinged between the transmission rod and piston block；
It is fixedly connected between the claw pushing clamping sleeve and curved portion by the fixation hole being located in curved portion.
Optionally, the mandrel is three-level annular step surface close to the open end of core bar；
The outer wall of the third level annular step surface of the open end of mandrel is close to bearing sleeve inner wall, the power transmission hollow shaft
Open end be ring edge perpendicular to power transmission hollow shaft axial direction, the outer wall of the ring edge and the open end of core bar
Level-one step side wall contact；
The outer wall of the core bar is level Four annular step surface, and the inner wall of the bearing sleeve is second level annular step surface,
Coaxial second spring is equipped between the first order annular step surface of core bar and the second level annular step surface of bearing sleeve；
Flexible drive ball is equipped between one end of the annular piston and the three-level annular step surface of core bar, annular piston
The other end is stuck in the outer wall of claw pushing clamping sleeve, between the end of annular piston and the first order annular step surface of bearing sleeve
Equipped with coaxial third spring；
Bearing washer is equipped between the three-level annular step surface of the open end of the bearing and mandrel, in bearing and bearing
The bearing snap ring to carry out axially position to bearing is equipped between washer, the bearing snap ring is fixed on mandrel outer wall.
Optionally, the outside of the closed end of the power transmission hollow shaft is frustum cone structure, and the pressure handle includes perpendicular to mandrel
Axial pushing section, and connection pushes the hand of section and presses section, passes through hinge between the end for pushing section and the end of mandrel
Spindle is hinged, is equipped with the rolling element between section and the frustum cone structure of closed end pushing, arc is equipped in the pushing section
Slot, to place the rolling element；
The mandrel close to pressure handle inner wall of end be equipped with annular stop platform, to the axial movement to power transmission hollow shaft into
Row limit continues the pressure handle that pushing tow has resetted when preventing the hollow axial direction pressure handle of power transmission mobile.
Optionally, the bearing sleeve is equipped with end ring between one end and mandrel outer wall of pressure handle, to axis
Hold carry out axial limiting；
The end ring is fixed on mandrel outer wall by fixed pin；
There are two the bearings, and two bearings are close to mandrel and are laid along the axial direction of mandrel, is equipped between two bearings tight
The annular baffle ring for pasting mandrel outer wall, to carry out axially position to two bearings.
Optionally, between power transmission hollow shaft and mandrel, between mandrel and bearing sleeve, annular piston and bearing sleeve it
Between, between the curved portion and bearing sleeve of claw and ring edge and core bar end face be equipped with sealing ring, to realize
Sealing function；
Glais ring is filled between the bearing washer and the three-level annular step surface of mandrel open end, it is close to realize
Envelope effect.
The present invention also provides a kind of construction methods of push-in water feeder, comprising the following steps:
Step 1: first pressing pressure handle, and pressure handle is rotated around articulated shaft, the closed end rotary table knot of rolling element and power transmission hollow shaft
Structure contact, under the action of pressure handle, the axial movement of power transmission hollow shaft, and core bar, annular piston and claw is pushed to move axially,
Make second spring and third spring-compressed, and the speed of core bar movement is greater than the mobile speed of claw, keeps the wedge shape of piston block outer
Wall shrinks far from calvus lozenges, the first spring reset, claw, the elastic piece of claw is inserted into the internal screw thread of drilling rod；
Step 2: unclamping again pressure handle, under second spring and the effect of third spring reset, elastic piece, annular piston, core bar and
The hollow axial pressure handle direction of power transmission is mobile, and in elastic piece moving process, the wedge-shaped outer wall support calvus lozenges of piston block makes bullet
Property piece open, since the thread of two groups of claw pieces differs the half pitch of thread, wherein one group of claw piece and drilling rod internal screw thread
Threaded top contact, another group of claw piece can fall into the thread groove of tool joint box；
Step 3: it under the action of piston block, power transmission hollow stem and the first spring, is connect with the threaded top of drilling rod internal screw thread
One group of claw piece of touching is extruded, and the piston block contacted with this group of claw piece is compressed, and by transmission rod power transmission, transmission rod will
The piston block of its other end is extrapolated, and another group of claw piece is opened, this group of claw piece is engaged with the internal screw thread of drilling rod, and water is sent in realization
The connection of the fast sealing of device and drilling rod.
Compared with prior art, the present invention beneficial has the technical effect that
(I) operation of the present invention is simple, compact, lighter weight, only water feeder peace need to can be realized by operating pressure handle
The operation that hand threading is time-consuming, laborious reliably is avoided with the quick connection of drilling rod internal screw thread entirely, improves drilling efficiency, it is full
The requirement of sufficient rotary drilling and high pressure sealing.The present invention is easy to implement water feeder and drilling rod automation moment is tightly connected, and is convenient for
Further realize underground coal mine " automation ", " unmanned " drilling.
(II) in the present invention, when pressing pressure handle, pressure handle is rotated around articulated shaft, the closed end of rolling element and power transmission hollow shaft
Frustum cone structure contact, under the action of pressure handle, the axial movement of power transmission hollow shaft, and push core bar, annular piston and the equal axis of claw
To movement, make second spring and third spring-compressed, and the speed of core bar movement is greater than the mobile speed of claw, makes piston block
Wedge-shaped outer wall is far from calvus lozenges, and the first spring reset, claw is shunk, so that the elastic piece of claw is inserted into drilling rod
In screw thread.
(III) present invention in, unclamp pressure handle when, second spring and third spring reset effect under, elastic piece, annular piston,
Core bar and the hollow axial pressure handle direction of power transmission are mobile, in elastic piece moving process, the wedge-shaped outer wall support calvus wedge shape of piston block
Face opens elastic piece, since the thread of two groups of claw pieces differs the half pitch of thread, wherein one group of claw piece and drilling rod
The threaded top of internal screw thread contacts, and another group of claw piece can be fallen into the thread groove of tool joint box.
(IV) in the present invention, screw thread under the action of piston block, power transmission hollow stem and the first spring, with drilling rod internal screw thread
One group of claw piece of top contact is extruded, and the piston block contacted with this group of claw piece is compressed, and by transmission rod power transmission, is passed
Power bar extrapolates the piston block of its other end, opens another group of claw piece, this group of claw piece is engaged with the internal screw thread of drilling rod, real
The fast sealing of existing water feeder and drilling rod connects.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention.
Fig. 2 is the right view of Fig. 1.
Fig. 3 is claw chip architecture schematic diagram of the invention.
Each label indicates in figure are as follows: 1- mandrel, 2- bearing, and 3- bearing sleeve, 4- high pressure water interface, 5- power transmission hollow shaft,
6- pressure handle, 7- annular piston, 8- rolling element, 9- claw, 10- core bar, 11- claw pushing clamping sleeve, 12- piston block, the first bullet of 13-
Spring, 14- bearing washer, 15- transmission rod, 16- second spring, 17- flexible drive ball, 18- third spring, 19- bearing snap ring,
20- end ring, 21- annular baffle ring, 22- Glais ring；
(6-1)-pushes section, and (6-2)-hand presses section, (6-3)-arc groove；
(9-1)-curved portion, (9-2)-elastic piece.
Specific embodiment
Specific embodiments of the present invention are given below, it should be noted that the invention is not limited to implement in detail below
Example, all equivalent transformations made on the basis of the technical solutions of the present application each fall within protection scope of the present invention.
Embodiment 1:
As shown in Figures 1 to 3, the present embodiment provides a kind of push-in water feeders, including what is coaxially successively laid from inside to outside
Mandrel 1, bearing 2 and bearing sleeve 3, are equipped with high pressure water interface 4 on the side wall of mandrel 1；It further include coaxially closely being sleeved on
The power transmission hollow shaft 5 for the end opening closed at one end and another that can be simultaneously moved axially in mandrel 1；The sealing connection of high pressure water interface 4 passes
Power hollow shaft 5, to being passed through high pressure water in power transmission hollow shaft 5；The closed end of power transmission hollow shaft 5 is concordant with one end of mandrel 1
And it is equipped with pressure handle 6 and the rolling element 8 between pressure handle 6 and closed end, the open end of power transmission hollow shaft 5 is another with mandrel 1
One end is concordant and is equipped with and can move axially with power transmission hollow shaft 5 and the core bar 10 coaxial with power transmission hollow shaft 5；The outer wall of core bar 10
Be successively arranged between 3 inner wall of bearing sleeve can with power transmission hollow shaft 5 move axially and with power transmission hollow shaft 5 it is coaxial annular work
Plug 7, claw pushing clamping sleeve 11 and the claw 9 for loading and unloading drilling rod；Claw 9 includes the claw piece for the arc being circumferentially arranged, claw piece
Inner wall of end is calvus lozenges；Piston block 12 is equipped between 10 outer wall of calvus lozenges and core bar, piston block 12 is close to pawl
The wall surface of piece lozenges is the wedge-shaped outer wall cooperated with calvus lozenges, is equipped between piston block 12 and core bar 10 along core bar 10
The first radial spring 13.
Specifically, two opposite two-by-two and opposite claw pieces of four claw pieces are one group, claw there are four claw pieces
Piece includes the curved portion 9-1 that one end is in contact with the end of claw pushing clamping sleeve 11, is set in the other end connection outer wall of curved portion 9-1
There is the elastic piece 9-2 of thread, the inner wall of end of elastic piece 9-2 is calvus lozenges, the thread difference two of two groups of claw pieces
/ mono- pitch of thread；Each claw piece corresponds to a piston block 12, is connected with transmission rod 15 between two neighboring piston block 12, and
Connect a transmission rod 15 on each piston block 12.To, when the elastic piece of claw is inserted into the internal screw thread of drilling rod, the second bullet
Under spring and the effect of third spring reset, elastic piece, annular piston, core bar and the hollow axial pressure handle direction of power transmission are mobile, elastic piece
In moving process, the wedge-shaped outer wall support calvus lozenges of piston block opens elastic piece, due to the thread of two groups of claw pieces
The half pitch of thread is differed, wherein one group of claw piece is contacted with the threaded top of drilling rod internal screw thread, another group of claw piece can be fallen
Enter in the thread groove of tool joint box；Spiral shell under the action of piston block, power transmission hollow stem and the first spring, with drilling rod internal screw thread
The one group of claw piece contacted at the top of line is extruded, and the piston block contacted with this group of claw piece is compressed, by transmission rod power transmission,
Transmission rod extrapolates the piston block of its other end, opens another group of claw piece, this group of claw piece is engaged with the internal screw thread of drilling rod,
Realize that the fast sealing of water feeder and drilling rod connects.
A piston groove is correspondingly arranged to piston groove, each piston block 12 is equipped with along core bar 10 on 10 end outer wall of core bar
It is interior, and four piston blocks 12 are circumferential uniformly distributed along core bar 10；It is hinged between transmission rod 15 and piston block 12；Claw pushing clamping sleeve 11 and arc
It is fixedly connected between shape portion 9-1 by the fixation hole being located on curved portion 9-1.
Mandrel 1 is three-level annular step surface close to the open end of core bar 10；The third level annular of the open end of mandrel 1
The outer wall of step surface is close to 3 inner wall of bearing sleeve, and the open end of power transmission hollow shaft 5 is axial perpendicular to power transmission hollow shaft 5
The side wall of ring edge, the level-one step of the outer wall and open end of core bar 10 of ring edge contacts；The outer wall of core bar 10 is
The inner wall of level Four annular step surface, bearing sleeve 3 is second level annular step surface, in the first order annular step surface and axis of core bar 10
Coaxial second spring 16 is equipped between the second level annular step surface of bearing sleeve cylinder 3；One end of annular piston 7 and the three of core bar 10
It is equipped with flexible drive ball 17 between grade annular step surface, the speed to make and core bar 10 is mobile is greater than the mobile speed of claw 9,
The other end of annular piston 7 is stuck in the outer wall of claw pushing clamping sleeve 11, annular piston 7 end and bearing sleeve 3 first
Coaxial third spring 18 is equipped between grade annular step surface；The three-level annular step surface of the open end of bearing 2 and mandrel 1 it
Between be equipped with bearing washer 14, between bearing 2 and bearing washer 14 be equipped with to bearing 2 carry out axially position bearing snap ring
19, bearing snap ring 19 is fixed on 1 outer wall of mandrel.
The outside of the closed end of power transmission hollow shaft 5 is frustum cone structure, and pressure handle 6 includes the axial pushing perpendicular to mandrel 1
Section 6-1, and connection push the hand pressure section 6-2 of section 6-1, push and pass through articulated shaft between the end of section 6-1 and the end of mandrel 1
Hingedly, it is pushing between section 6-1 and the frustum cone structure of closed end equipped with rolling element 8, arc groove 6-3 is equipped on pushing section 6-1,
To place rolling element 8；Mandrel 1 is equipped with annular stop platform close to the inner wall of end of pressure handle 6, to the axis to power transmission hollow shaft 5
It is limited to movement, when preventing power transmission hollow shaft 5 mobile to pressure handle 6, continues the pressure handle 6 that pushing tow has resetted.
Bearing sleeve 3 is equipped with end ring 20 between 1 outer wall of one end and mandrel of pressure handle 6, to carry out to bearing 2
Axial limiting；End ring 20 is fixed on 1 outer wall of mandrel by fixed pin；There are two bearings 2, and two bearings 2 are close to mandrel 1
And laid along the axial direction of mandrel 1, the annular baffle ring 21 for being close to 1 outer wall of mandrel is equipped between two bearings 2, to two bearings
2 carry out axially position.
Between power transmission hollow shaft 5 and mandrel 1, between mandrel 1 and bearing sleeve 3, annular piston 7 and bearing sleeve 3 it
Between, between the curved portion 9-1 and bearing sleeve 3 of claw 9 and 10 end face of ring edge and core bar be equipped with sealing ring, use
To realize sealing function；It is filled with Glais ring 22 between the three-level annular step surface of 1 open end of bearing washer 14 and mandrel, uses
To realize sealing function.
Embodiment 2:
The present embodiment additionally provides a kind of construction method of push-in water feeder, comprising the following steps:
Step 1: first pressing pressure handle, and pressure handle is rotated around articulated shaft, the closed end rotary table knot of rolling element and power transmission hollow shaft
Structure contact, under the action of pressure handle, the axial movement of power transmission hollow shaft, and core bar, annular piston and claw is pushed to move axially,
Make second spring and third spring-compressed, and the speed of core bar movement is greater than the mobile speed of claw, keeps the wedge shape of piston block outer
Wall shrinks far from calvus lozenges, the first spring reset, claw, the elastic piece of claw is inserted into the internal screw thread of drilling rod；
Step 2: unclamping again pressure handle, under second spring and the effect of third spring reset, elastic piece, annular piston, core bar and
The hollow axial pressure handle direction of power transmission is mobile, and in elastic piece moving process, the wedge-shaped outer wall support calvus lozenges of piston block makes bullet
Property piece open, since the thread of two groups of claw pieces differs the half pitch of thread, wherein one group of claw piece and drilling rod internal screw thread
Threaded top contact, another group of claw piece can fall into the thread groove of tool joint box；
Step 3: it under the action of piston block, power transmission hollow stem and the first spring, is connect with the threaded top of drilling rod internal screw thread
One group of claw piece of touching is extruded, and the piston block contacted with this group of claw piece is compressed, and by transmission rod power transmission, transmission rod will
The piston block of its other end is extrapolated, and another group of claw piece is opened, this group of claw piece is engaged with the internal screw thread of drilling rod, and water is sent in realization
The connection of the fast sealing of device and drilling rod.
Claims (8)
1. a kind of push-in water feeder, including mandrel (1), bearing (2) and the bearing sleeve coaxially successively laid from inside to outside
(3), high pressure water interface (4) are installed on the side wall of mandrel (1)；It is characterized in that, further including coaxially closely being sleeved on mandrel
(1) the power transmission hollow shaft (5) for the end opening closed at one end and another that can be simultaneously moved axially in；High pressure water interface (4) sealing
It is connected to power transmission hollow shaft (5)；
The closed end of power transmission hollow shaft (5) is concordant with one end of mandrel (1) and is equipped with pressure handle (6) and is located at pressure handle (6) and seals
The open end of rolling element (8) between closed end, power transmission hollow shaft (5) it is concordant with the other end of mandrel (1) and be equipped with can be with power transmission
Hollow shaft (5) axial movement and the core bar (10) coaxial with power transmission hollow shaft (5)；
Be successively arranged between the outer wall and bearing sleeve (3) inner wall of core bar (10) can with power transmission hollow shaft (5) move axially and with
The coaxial annular piston (7) of power transmission hollow shaft (5), claw pushing clamping sleeve (11) and the claw (9) for loading and unloading drilling rod；The claw
(9) include the arc being circumferentially arranged claw piece, claw piece inner wall of end be calvus lozenges；
Piston block (12) are equipped between the calvus lozenges and core bar (10) outer wall, piston block (12) is close to calvus lozenges
Wall surface be the wedge-shaped outer wall cooperated with the calvus lozenges, between piston block (12) and core bar (10) be equipped with along core bar
(10) radial the first spring (13).
2. push-in water feeder as described in claim 1, which is characterized in that there are four the claw pieces, four claw pieces two
Two is opposite, and two opposite claw pieces are one group, and claw piece includes that one end is connected with the end of claw pushing clamping sleeve (11)
Curved portion (9-1) is equipped with the elastic piece (9-2) of thread, elastic piece (9-2) in the other end connection outer wall of curved portion (9-1)
Inner wall of end be the calvus lozenges, the thread of two groups of claw pieces differs the half pitch of thread；
Each claw piece corresponds to a piston block (12), is connected with transmission rod (15) between two neighboring piston block (12),
And connect a transmission rod (15) on each piston block (12).
3. push-in water feeder as claimed in claim 2, which is characterized in that along core bar on the outer wall of the core bar (10) end
(10) it is radially provided with piston groove, each piston block (12) is correspondingly arranged in a piston groove, and four piston block (12) edges
Core bar (10) is circumferentially uniformly distributed；
It is hinged between the transmission rod (15) and piston block (12)；
It is fixed between the claw pushing clamping sleeve (11) and curved portion (9-1) by the fixation hole being located on curved portion (9-1)
Connection.
4. push-in water feeder as described in claim 1, which is characterized in that opening of the mandrel (1) close to core bar (10)
End is three-level annular step surface；
The outer wall of the third level annular step surface of the open end of mandrel (1) is close to bearing sleeve (3) inner wall, and the power transmission is hollow
The open end of axis (5) is the ring edge perpendicular to power transmission hollow shaft (5) axial direction, the outer wall and core bar of the ring edge
(10) side wall of the level-one step of open end contacts；
The outer wall of the core bar (10) is level Four annular step surface, and the inner wall of the bearing sleeve (3) is second level annular step surface,
Coaxial second is equipped between the first order annular step surface of core bar (10) and the second level annular step surface of bearing sleeve (3)
Spring (16)；
Flexible drive ball (17) are equipped between one end of the annular piston (7) and the three-level annular step surface of core bar (10), ring
The other end of shape piston (7) is stuck in the outer wall of claw pushing clamping sleeve (11), end and bearing sleeve (3) in annular piston (7)
First order annular step surface between be equipped with coaxial third spring (18)；
Bearing washer (14) are equipped between the three-level annular step surface of the open end of the bearing (2) and mandrel (1), in bearing
(2) the bearing snap ring (19) bearing (2) are carried out with axially position, the bearing snap ring are equipped between bearing washer (14)
(19) it is fixed on mandrel (1) outer wall.
5. push-in water feeder as described in claim 1, which is characterized in that outside the closed end of the power transmission hollow shaft (5)
Portion is frustum cone structure, and the pressure handle (6) includes the axial pushing section (6-1) perpendicular to mandrel (1), and connection pushes section
The hand of (6-1) presses section (6-2), hinged by articulated shaft between the end for pushing section (6-1) and the end of mandrel (1),
It pushes and is equipped with the rolling element (8) between section (6-1) and the frustum cone structure of closed end, arc is equipped on the pushing section (6-1)
Shape slot (6-3), to place the rolling element (8)；
Inner wall of end of the mandrel (1) close to pressure handle (6) is equipped with annular stop platform, to the axial direction to power transmission hollow shaft (5)
Movement is limited, and when preventing power transmission hollow shaft (5) mobile to pressure handle (6), continues the pressure handle (6) that pushing tow has resetted.
6. push-in water feeder as described in claim 1, which is characterized in that the one of the bearing sleeve (3) close pressure handle (6)
End ring (20) are equipped between end and mandrel (1) outer wall, to carry out axial limiting to bearing (2)；
The end ring (20) is fixed on mandrel (1) outer wall by fixed pin；
There are two the bearings (2), and two bearings (2) are close to mandrel (1) and are laid along the axial direction of mandrel (1), two bearings (2)
Between be equipped with the annular baffle ring (21) for being close to mandrel (1) outer wall, to carry out axially positions to two bearings (2).
7. the push-in water feeder as described in claim 1 to 6 any claim, which is characterized in that in power transmission hollow shaft (5)
Between mandrel (1), between mandrel (1) and bearing sleeve (3), between annular piston (7) and bearing sleeve (3), claw (9)
It is equipped with sealing ring between curved portion (9-1) and bearing sleeve (3) and between ring edge and core bar (10) end face, to reality
Existing sealing function；
Glais ring (22) are filled between the bearing washer (14) and the three-level annular step surface of mandrel (1) open end, are used
To realize sealing function.
8. the construction method of push-in water feeder as claimed in claim 7, which comprises the following steps:
Step 1: first pressing pressure handle, and pressure handle is rotated around articulated shaft, and rolling element and the closed end frustum cone structure of power transmission hollow shaft connect
Touching, under the action of pressure handle, the axial movement of power transmission hollow shaft and pushes core bar, annular piston and claw to move axially, and makes the
Two springs and third spring-compressed, and the speed of core bar movement is greater than the mobile speed of claw, keeps the wedge-shaped outer wall of piston block remote
From calvus lozenges, the first spring reset, claw is shunk, and the elastic piece of claw is inserted into the internal screw thread of drilling rod；
Step 2: unclamping again pressure handle, under second spring and third spring reset act on, elastic piece, annular piston, core bar and power transmission
Hollow axial direction pressure handle direction is mobile, and in elastic piece moving process, the wedge-shaped outer wall support calvus lozenges of piston block makes elastic piece
It opens, since the thread of two groups of claw pieces differs the half pitch of thread, wherein the spiral shell of one group of claw piece and drilling rod internal screw thread
Contact, another group of claw piece can be fallen into the thread groove of tool joint box at the top of line；
Step 3: it under the action of piston block, power transmission hollow stem and the first spring, is contacted with the threaded top of drilling rod internal screw thread
One group of claw piece is extruded, and the piston block contacted with this group of claw piece is compressed, and by transmission rod power transmission, transmission rod is another by it
The piston block of one end is extrapolated, and another group of claw piece is opened, this group of claw piece engage with the internal screw thread of drilling rod, realize water feeder and
The fast sealing of drilling rod connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910039182.6A CN109798080B (en) | 2019-01-16 | 2019-01-16 | Quick-insertion type water feeder and construction method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910039182.6A CN109798080B (en) | 2019-01-16 | 2019-01-16 | Quick-insertion type water feeder and construction method thereof |
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| CN109798080A true CN109798080A (en) | 2019-05-24 |
| CN109798080B CN109798080B (en) | 2020-11-27 |
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| CN201910039182.6A Active CN109798080B (en) | 2019-01-16 | 2019-01-16 | Quick-insertion type water feeder and construction method thereof |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1305297A1 (en) * | 1985-11-19 | 1987-04-23 | Украинский научно-исследовательский и проектно-конструкторский институт подземной гидравлической добычи угля Научно-производственного объединения "Углемеханизация" | Quick-release lock of drilling rods |
| CN101725342A (en) * | 2009-12-02 | 2010-06-09 | 煤炭科学研究总院西安研究院 | Hollow cable type directed water conveying device |
| CN202131973U (en) * | 2011-07-09 | 2012-02-01 | 平顶山冠宏矿山技术装备有限公司 | Full-hydraulic gallery drilling machine for drilling holes along soft coal layer of coal mine |
| CN102926686A (en) * | 2012-11-01 | 2013-02-13 | 三一重型装备有限公司 | Directional water feeder and directional drilling machine |
| CN202788637U (en) * | 2012-06-15 | 2013-03-13 | 四川省华蓥山煤业股份有限公司绿水洞煤矿 | Drill pipe water supplying device |
-
2019
- 2019-01-16 CN CN201910039182.6A patent/CN109798080B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1305297A1 (en) * | 1985-11-19 | 1987-04-23 | Украинский научно-исследовательский и проектно-конструкторский институт подземной гидравлической добычи угля Научно-производственного объединения "Углемеханизация" | Quick-release lock of drilling rods |
| CN101725342A (en) * | 2009-12-02 | 2010-06-09 | 煤炭科学研究总院西安研究院 | Hollow cable type directed water conveying device |
| CN202131973U (en) * | 2011-07-09 | 2012-02-01 | 平顶山冠宏矿山技术装备有限公司 | Full-hydraulic gallery drilling machine for drilling holes along soft coal layer of coal mine |
| CN202788637U (en) * | 2012-06-15 | 2013-03-13 | 四川省华蓥山煤业股份有限公司绿水洞煤矿 | Drill pipe water supplying device |
| CN102926686A (en) * | 2012-11-01 | 2013-02-13 | 三一重型装备有限公司 | Directional water feeder and directional drilling machine |
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| Publication number | Publication date |
|---|---|
| CN109798080B (en) | 2020-11-27 |
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