CN109882096A - A kind of jack catchs type water feeder and its construction method - Google Patents
A kind of jack catchs type water feeder and its construction method Download PDFInfo
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- CN109882096A CN109882096A CN201910039342.7A CN201910039342A CN109882096A CN 109882096 A CN109882096 A CN 109882096A CN 201910039342 A CN201910039342 A CN 201910039342A CN 109882096 A CN109882096 A CN 109882096A
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Abstract
The invention discloses a kind of jack catchs type 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 mandrel side wall；It further include the power transmission hollow shaft being coaxially closely sleeved in mandrel, high pressure water sealing joint is connected to power transmission hollow shaft；The closed end of power transmission hollow shaft is equipped with rotating handle, and the open end of power transmission hollow shaft is successively arranged annular piston and claw along axial direction；Claw includes cylindrical part and is successively spaced the elastic claw of laying along the circumferential direction of cylindrical part, and elastic claw end is calvus lozenges；Claw wall coaxial is set with claw sleeve, and claw sleeve one end is fixedly connected on the end of bearing sleeve by piston bore；The inner wall of the other end of claw sleeve is the wedge-shaped inner wall cooperated with calvus lozenges, is equipped with ball between calvus lozenges and wedge-shaped inner wall.The present invention is able to achieve the moment dismounting of water feeder and drilling rod, and high pressure resistant, easy to operate and high reliablity can effectively improve drilling efficiency.
Description
Technical field
The invention belongs to the technical fields of underground coal mine water feeder, and in particular to a kind of jack catchs type water feeder and its construction party
Method.
Background technique
During underground coal mine drilling operation, need water feeder to drilling rod delivered inside high pressure washing medium deslagging or drive
Dynamic bottom hole power motor.In the prior art, water feeder cannot be realized with drilling rod and quickly be connect, need to be by frequently loading and unloading water feeder
To install drilling rod, the operations such as completion drilling construction, processing card underground drilling accident additional.Currently, handling water feeder need to be equipped with special messenger it is manual
Operation, labor intensity of workers is big, low efficiency.
Summary of the invention
It is for the defects in the prior art and insufficient, the present invention provides a kind of jack catchs type 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 jack catchs type 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 rotating handle that can pass through rotary lifting power transmission hollow shaft is equipped in the closed end of power transmission hollow shaft, it is hollow in power transmission
The open end of axis along axial direction be successively arranged it is coaxial with power transmission hollow shaft and can with power transmission hollow shaft move axially annular piston and
For loading and unloading the claw of drilling rod；The claw includes the cylindrical part of one end connection annular piston, is edge in the other end of cylindrical part
The circumferential direction of cylindrical part is successively spaced the elastic claw of the arc of laying, and the end of elastic claw is calvus lozenges；
It is set with claw sleeve in the claw outer wall close coaxial, one end of the claw sleeve passes through coaxial piston
Cylinder barrel is fixedly connected on the end of bearing sleeve；The inner wall of the other end of claw sleeve is the wedge cooperated with the calvus lozenges
Shape inner wall, elastic claw can be pressed when claw moves axially and make each elasticity by being equipped between calvus lozenges and wedge-shaped inner wall
The ball of calvus tightening.
The invention also includes following technical characteristics:
Optionally, the mandrel is the ring edge perpendicular to mandrel axial direction close to the open end of annular piston；
The ring edge is close to bearing sleeve inner wall, and the ring for being close to ring edge end is equipped in bearing sleeve inner wall
Shape limiting stand, to carry out axial limiting to mandrel；The ring edge, power transmission hollow shaft and annular piston define sealing
Annular piston chamber, the annular piston chamber are connected to the hollow sealing of the power transmission；The annular piston chamber is to fill high pressure
Water applies axial thrust to annular piston by high pressure water, further claw is pushed to lock drilling rod；
The bearing and annular piston chamber are located at the two sides of the ring edge, set between bearing and ring edge
There is bearing washer.
Optionally, the outside of the closed end of the power transmission hollow shaft is frustum cone structure, and the rotating handle is close to power transmission sky
One end of mandrel is the trapezoidal end of trapezium structure, when rotating handle is located at the central axis of power transmission hollow shaft, under trapezoidal end
Bottom is concordant with the upper bottom surface of the frustum cone structure of closed end；
The mandrel is set close to the open end of rotating handle there are two opposite installation clamping plate, and the trapezoidal end passes through hinge
Spindle is hinged between two installation clamping plates；
It is equipped with depressible detent ball in rotating handle, installs at two and is set on the opposite installation clamping plate inner wall of clamping plate
There are the ball groove that can cooperate with the detent ball, the detent ball and ball groove being equidistant to articulated shaft；With
So that detent ball can be limited to ball groove, so that the angle where enabling the bottom at trapezoidal end is pushed up after rotating handle rotation
Closed end to the power transmission hollow shaft for pushing away power transmission hollow shaft moves axially.
Optionally, blocking ring is equipped between the edge of the closed end of the power transmission hollow shaft and the installation clamping plate, it is described stifled
It is connected through a screw thread between ring outer wall and mandrel inner wall of end, limits, prevent to the axial movement to power transmission hollow shaft
When the hollow axial direction rotating handle of power transmission is mobile, continue the rotating handle that pushing tow has resetted.
Optionally, the annular piston includes the coaxial piston inner ring and piston outer ring connected by annular table, is also wrapped
The multiple piston push rods for being fixed on piston outer ring end and being parallel to annular piston axial direction are included, multiple piston push rods are along piston outer ring
It is circumferential to lay；One end margin of the piston inner ring is opposite with the end edge of power transmission hollow shaft, and piston outer ring is close to bearing holder (housing, cover)
The inner wall of cylinder；
The piston bore includes the cylinder barrel inner cylinder and cylinder barrel outer cylinder connected by annular slab, one end of the cylinder barrel outer cylinder
Pass through screw threads for fastening, the other end outer wall of cylinder barrel outer cylinder and the end of claw sleeve between inner wall and the end outer wall of bearing sleeve
Pass through screw threads for fastening between inner wall；
There is gap between the end of the cylinder barrel inner cylinder and the end of piston inner ring, to enable annular piston axially to move
It is dynamic, it is in close contact between the outer wall of cylinder barrel inner cylinder and the inner wall of the annular table；
It is equipped with coaxial spring between the annular table and annular slab, provides thrust to the reset to power transmission hollow shaft；
The piston push rod is through the annular slab and is fixedly connected with the claw, to drive claw by annular piston
Axial movement.
Optionally, the bearing sleeve is equipped with end ring between one end and mandrel outer wall of rotating handle, to
Axial limiting is carried out to bearing；
The end ring is fixedly connected by fixed pin with bearing sleeve；
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 end ring and mandrel, bearing washer and ring edge it
Between, between ring edge and bearing sleeve, between annular piston and bearing sleeve, between annular piston and piston bore, claw
Cylindrical part inner wall between be equipped with sealing ring, to realize sealing function；
Glais ring is filled between the bearing washer and ring edge, to realize sealing function.
The present invention also provides a kind of construction method of jack catchs type water feeder the following steps are included:
Step 1: installation rotation rotating handle is caught in detent ball in ball groove, rotating handle is perpendicular to biography at this time
Power hollow shaft；
Step 2: the trapezoidal hollow axial movement of end pushing tow power transmission of rotating handle, power transmission hollow shaft push annular piston axis
To movement, and make the spring contraction between annular piston and piston bore, annular piston pushes claw axial movement, is located at
Ball between calvus lozenges and wedge-shaped inner wall, which presses elastic claw, makes drilling rod of the elastic claw fastening coaxial sleeve in claw；
Step 3: it is passed through high pressure water in high pressure water interface, high pressure water enters annular piston chamber, intracavitary by annular piston
High pressure water applies axial thrust to annular piston, further increases the clamping force of claw to lock drilling rod, to realize to brill
After the double locking of bar, the installation of drilling rod is completed, drilling rod is started to work；
Step 4: after drilling rod stops working, stopping is passed through high pressure water, rotates rotating handle, resets to rotating handle
The central axial position of power transmission hollow shaft, trapezoidal end no longer pushing tow power transmission hollow shaft, under the action of the spring, annular piston drive card
Pawl and push power transmission hollow shaft mobile to rotating handle direction and reset, elastic claw unclamps drilling rod, complete water feeder and
The disassembly of drilling rod.
Compared with prior art, the present invention beneficial has the technical effect that
(I) present invention is able to achieve the sealed connection of the moment between claw and drilling rod, also facilitates tearing open between claw and drilling rod
It unloads, small in size, high pressure resistant, easy to operate and high reliablity, drilling efficiency can be effectively improved, reduce labor intensity.
(II) the trapezoidal hollow axial movement of end pushing tow power transmission of the rotating handle in the present invention, power transmission hollow shaft push annular
Piston axial movement, and make the spring contraction between annular piston and piston bore, annular piston pushes claw axially to move
Dynamic, the ball between calvus lozenges and wedge-shaped inner wall, which presses elastic claw, makes elastic claw fastening coaxial sleeve in claw
Drilling rod.The present invention easily may be used on logical cable water feeder and other similar device, meanwhile, the structure be easy to implement water feeder with
Drilling rod automation realizes that moment is tightly connected, convenient for further realizing underground coal mine " automation ", " unmanned " drilling.
(III) in the present invention, it is passed through high pressure water in high pressure water interface, high pressure water enters annular piston chamber, passes through annular piston
Intracavitary high pressure water applies axial thrust to annular piston, further increases the clamping force of claw to lock drilling rod, thus real
Now to the double locking of drilling rod after, complete the installation of drilling rod.
(IV) in the present invention, after drilling rod stops working, stopping is passed through high pressure water, rotates rotating handle, makes rotating handle
Reset to the central axial position of power transmission hollow shaft, trapezoidal end no longer pushing tow power transmission hollow shaft, under the action of the spring, annular piston
It drives claw and pushes power transmission hollow shaft mobile to rotating handle direction and reset, elastic claw unclamps drilling rod, completes to send
The disassembly of hydrophone and drilling rod.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention.
Fig. 2 is claw structure schematic diagram of the invention.
Fig. 3 is annular piston structural 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- rotating handle, 7- annular piston, 8- drilling rod, 9- claw, 10- claw sleeve, 11- piston bore, 12- ball, 13- annular are living
Chamber, 14- bearing washer are filled in, 15- installs clamping plate, 16- detent ball, 17- ball groove, 18- blocking ring, 19- spring, 20- bearing
Retaining ring, 21- annular baffle ring, 22- Glais ring；
(7-1)-piston inner ring, (7-2)-annular table, (7-3)-piston outer ring, (7-4)-piston push rod；
(9-1)-cylindrical part, (9-2)-elastic claw；
(11-1)-cylinder barrel inner cylinder, (11-2)-annular slab, (11-3)-cylinder barrel outer cylinder.
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 jack catchs type 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 high pressure water logical in power transmission hollow shaft 5；Rotary lifting can be passed through by being equipped in the closed end of power transmission hollow shaft 5
The rotating handle 6 of power transmission hollow shaft 5 is successively arranged in the open end of power transmission hollow shaft 5 along axial direction coaxial simultaneously with power transmission hollow shaft 5
The annular piston 7 that can be moved axially with power transmission hollow shaft 5 and the claw 9 for loading and unloading drilling rod 8；Claw 9 includes one end connection ring
The cylindrical part 9-1 of shape piston 7 is the arc that laying is successively spaced along the circumferential direction of cylindrical part 9-1 in the other end of cylindrical part 9-1
The end of elastic claw 9-2, elastic claw 9-2 are calvus lozenges；Claw sleeve is set in 9 outer wall close coaxial of claw
10, one end of claw sleeve 10 is fixedly connected on the end of bearing sleeve 3 by coaxial piston bore 11；Claw sleeve 10
The inner wall of the other end is the wedge-shaped inner wall cooperated with calvus lozenges, and being equipped between calvus lozenges and wedge-shaped inner wall can be in card
Pawl 9 presses elastic claw 9-2 and makes the ball 12 of each elastic claw 9-2 tightening when moving axially.Through the above technical solutions, energy
It realizes that the moment between claw 9 and drilling rod 8 is tightly connected, also facilitates the disassembly between claw 9 and drilling rod 8, small in size, resistance to height
Pressure, easy to operate and high reliablity can effectively improve drilling efficiency, reduce labor intensity.
In the present embodiment, mandrel 1 is the ring edge axial perpendicular to mandrel 1 close to the open end of annular piston 7；Ring
3 inner wall of bearing sleeve is close at shape edge, and the annular stop platform for being close to ring edge end is equipped in 3 inner wall of bearing sleeve, uses
To carry out axial limiting to mandrel 1；Ring edge, power transmission hollow shaft 5 and annular piston 7 define the annular piston chamber of sealing
13, annular piston chamber 13 is connected to the sealing of power transmission hollow shaft 5；Annular piston chamber 13 passes through high pressure water pair to fill high pressure water
Annular piston 7 applies axial thrust, further claw 9 is pushed to lock drilling rod 8；Bearing 2 and annular piston chamber 13 are located at ring
The two sides at shape edge are equipped with bearing washer 14 between bearing 2 and ring edge, to carry out axially position to bearing 2.
The outside of the closed end of power transmission hollow shaft 5 is frustum cone structure, and rotating handle 6 is close to one end of power transmission hollow shaft 5
The trapezoidal end of trapezium structure, when rotating handle 6 is located at the central axis of power transmission hollow shaft 5, the bottom and closed end at trapezoidal end
Frustum cone structure upper bottom surface it is concordant；Mandrel 1 is set close to the open end of rotating handle 6 there are two opposite installation clamping plate 15,
Trapezoidal end is hinged between two installation clamping plates 15 by articulated shaft；Depressible detent ball 16 is equipped in rotating handle 6,
It is installed at two and is equipped with the ball groove 17 that can cooperate with detent ball 16, positioning rolling on the opposite installation clamping plate inner wall of clamping plate 15
Pearl 16 and ball groove 17 being equidistant to articulated shaft；After rotating rotating handle 6, detent ball 16 can be limited to rolling
In pearl groove 17, so that the closed end of the angle pushing tow power transmission hollow shaft 5 where enabling the bottom at trapezoidal end is to 5 axis of power transmission hollow shaft
To movement.In the present embodiment, more specifically, it is distributed between detent ball 16, articulated shaft and ball groove 17 in an angle of 90 degrees, from
And when rotating handle 6 be located at mandrel 1 it is central axial when, the upper bottom surface of the frustum cone structure of the bottom and closed end at trapezoidal end is flat
Together, it at this point, rotating handle 6 does not have jacking force to the closed end of power transmission hollow shaft 5, is rolled when rotating handle 6 is rotated by 90 ° to positioning
When pearl 16 is stuck in ball groove 17, the closed end of the angle energy pushing tow power transmission hollow shaft 5 where the bottom at trapezoidal end is empty to power transmission
Mandrel 5 moves axially.
More specifically, it is equipped with blocking ring 18 between the edge of the closed end of power transmission hollow shaft 5 and installation clamping plate 15, outside blocking ring 18
It is connected through a screw thread between 1 inner wall of end of wall and mandrel, is limited to the axial movement to power transmission hollow shaft 5, prevent from passing
When power hollow shaft 5 is mobile to rotating handle 6, continue the rotating handle 6 that pushing tow has resetted.
Annular piston 7 includes the coaxial piston inner ring 7-1 and piston outer ring 7-3 connected by annular table 7-2, further includes
It is fixed on the piston end outer ring 7-3 and is parallel to the axial multiple piston push rod 7-4 of annular piston 7, the edge multiple piston push rod 7-4
Piston outer ring 7-3 is circumferentially laid；An end margin of piston inner ring 7-1 is opposite with the end edge of power transmission hollow shaft 5, piston outer ring
The inner wall of 7-3 abutting bearing sleeve 3；Piston bore 11 includes outside the cylinder barrel inner cylinder 11-1 and cylinder barrel connected by annular slab 11-2
Cylinder 11-3, passes through screw threads for fastening, cylinder barrel outer cylinder between one end inner wall of cylinder barrel outer cylinder 11-3 and the end outer wall of bearing sleeve 3
Pass through screw threads for fastening between the other end outer wall of 11-3 and the inner wall of end of claw sleeve 10；The end of cylinder barrel inner cylinder 11-1 and work
Filling between the end of inner ring 7-1 has gap, to enable annular piston 7 to move axially, the outer wall and annular of cylinder barrel inner cylinder 11-1
It is in close contact between the inner wall of platform 7-2；Coaxial spring 19 is equipped between annular table 7-2 and annular slab 11-2, to power transmission
The reset of hollow shaft 5 provides thrust；Piston push rod 7-4 is through annular slab 11-2 and is fixedly connected with claw 9, to living by annular
Plug 7 drives claw 9 to move axially.In the present embodiment, there are four piston push rod 7-4 has altogether, and four piston push rod 7-4 are uniformly distributed
In the end of piston outer ring 7-3, claw 9 through annular slab 11-2 and is fixedly connected with by piston push rod 7-4, realization passes through annular
Piston 7 drives claw 9 to move axially, and in other embodiments, the quantity of piston push rod 7-4 can be set according to actual needs
It sets, can equally have the function that connect claw 9.
Bearing sleeve 3 is equipped with end ring 20 between 1 outer wall of one end and mandrel of rotating handle 6, to bearing 2
Carry out axial limiting；End ring 20 is fixedly connected by fixed pin with bearing sleeve 3；There are two bearings 2, and two bearings 2 are tight
It pastes mandrel 1 and is 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 right
Two bearings 2 carry out axially position.After installing drilling rod 8, drilling rod 8 is started turning, meanwhile, drive claw 9, claw sleeve
10, annular piston 7, piston bore 11, bearing sleeve 3 and end ring 20 are rotated together and are worked.
Between power transmission hollow shaft 5 and mandrel 1, between end ring 20 and mandrel 1, bearing washer 14 and ring edge it
Between, between ring edge and bearing sleeve 3, between annular piston 7 and bearing sleeve 3, annular piston 7 and piston bore 11 it
Between, between the cylindrical part 9-1 inner wall of claw 9 be equipped with sealing ring, to realize sealing function；Bearing washer 14 and ring edge
Between be filled with Glais ring 22, to realize sealing function；Specifically, the inner wall in the cylindrical part 9-1 of claw 9 is equipped with to pacify
Fill the sealing ring mounting groove of the annular of sealing ring.
In the present embodiment, ball 12 has eight, the ball shifting chute parallel with axial direction is equipped in 9 outer wall of claw, each
Ball 12 corresponds to a ball grooves, and to realize the movement of ball 12, more specifically, in the present embodiment, eight ball grooves are along card
The circumferential direction of pawl 9 is uniformly distributed；In other embodiments, the quantity of ball 12 is configured according to actual needs, is able to achieve in ball
12 press elastic claw 9-2 and tighten each elastic claw 9-2 when moving between calvus lozenges and wedge-shaped inner wall.
Embodiment 2:
The present embodiment additionally provides a kind of construction method of jack catchs type water feeder, comprising the following steps:
Step 1: installation rotation rotating handle is caught in detent ball in ball groove, rotating handle is perpendicular to biography at this time
Power hollow shaft；
Step 2: the trapezoidal hollow axial movement of end pushing tow power transmission of rotating handle, power transmission hollow shaft push annular piston axis
To movement, and make the spring contraction between annular piston and piston bore, annular piston pushes claw axial movement, is located at
Ball between calvus lozenges and wedge-shaped inner wall, which presses elastic claw, makes drilling rod of the elastic claw fastening coaxial sleeve in claw；
Step 3: it is passed through high pressure water in high pressure water interface, high pressure water enters annular piston chamber, intracavitary by annular piston
High pressure water applies axial thrust to annular piston, further increases the clamping force of claw to lock drilling rod, to realize to brill
After the double locking of bar, the installation of drilling rod is completed, drilling rod is started to work；
Step 4: after drilling rod stops working, stopping is passed through high pressure water, rotates rotating handle, resets to rotating handle
The central axial position of power transmission hollow shaft, trapezoidal end no longer pushing tow power transmission hollow shaft, under the action of the spring, annular piston drive card
Pawl and push power transmission hollow shaft mobile to rotating handle direction and reset, elastic claw unclamps drilling rod, complete water feeder and
The disassembly of drilling rod.
Claims (8)
1. a kind of jack catchs type 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) be equipped with rotating handle (6), the open end of power transmission hollow shaft (5) along axial direction successively
Claw (9) equipped with the annular piston (7) coaxial with power transmission hollow shaft (5) and for loading and unloading drilling rod (8)；Claw (9) packet
The cylindrical part (9-1) for including one end connection annular piston (7) is the circumferential direction along cylindrical part (9-1) in the other end of cylindrical part (9-1)
It is successively spaced the elastic claw (9-2) of the arc of laying, the end of elastic claw (9-2) is calvus lozenges；
In the claw (9), outer wall close coaxial is set with claw sleeve (10), and one end of the claw sleeve (10) passes through same
The piston bore (11) of axis is fixedly connected on the end of bearing sleeve (3)；The inner wall of the other end of claw sleeve (10) for institute
The wedge-shaped inner wall for stating the cooperation of calvus lozenges, being equipped between calvus lozenges and wedge-shaped inner wall can move axially in claw (9)
When press elastic claw (9-2) and make each elastic claw (9-2) tighten ball (12).
2. jack catchs type water feeder as described in claim 1, which is characterized in that the mandrel (1) is opened close to annular piston (7)
Mouth end is the ring edge perpendicular to mandrel (1) axial direction；
The ring edge is close to bearing sleeve (3) inner wall, and is equipped in bearing sleeve (3) inner wall and is close to ring edge end
Annular stop platform, to carry out axial limiting to mandrel (1)；The ring edge, power transmission hollow shaft (5) and annular piston (7)
The annular piston chamber (13) of sealing is defined, the annular piston chamber (13) is connected to the power transmission hollow shaft (5) sealing；It is described
Annular piston chamber (13) applies axial thrust, further push card to annular piston (7) to fill high pressure water, by high pressure water
Pawl (9) locks drilling rod (8)；
The bearing (2) and annular piston chamber (13) are located at the two sides of the ring edge, in bearing (2) and ring edge
Between be equipped with bearing washer (14).
3. jack catchs type 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 rotating handle (6) is the trapezoidal end of trapezium structure close to the one end of power transmission hollow shaft (5), works as rotation
When handle (6) is located at the central axis of power transmission hollow shaft (5), the upper bottom surface of the frustum cone structure of the bottom and closed end at trapezoidal end is flat
Together；
Open end of the mandrel (1) close to rotating handle (6) is set there are two opposite installation clamping plate (15), the trapezoidal end
It is hinged between two installation clamping plates (15) by articulated shaft；
Depressible detent ball (16) are equipped on rotating handle (6), clamping plate (15) opposite installation clamping plate is installed at two
Inner wall is equipped with the ball groove (17) that can cooperate with the detent ball (16), the detent ball (16) and ball groove
(17) being equidistant to articulated shaft；After rotating rotating handle (6), detent ball (16) can be limited to ball groove
(17) in, thus the closed end of the angle pushing tow power transmission hollow shaft (5) where enabling the bottom at trapezoidal end to power transmission hollow shaft (5) axis
To movement.
4. jack catchs type water feeder as claimed in claim 3, which is characterized in that the side of the closed end of the power transmission hollow shaft (5)
Blocking ring (18) are equipped between edge and the installation clamping plate (15), are led between blocking ring (18) outer wall and mandrel (1) inner wall of end
Threaded connection is crossed, is limited to the axial movement to power transmission hollow shaft (5), prevents power transmission hollow shaft (5) to rotating handle
(6) when mobile, continue the rotating handle (6) that pushing tow has resetted.
5. jack catchs type water feeder as described in claim 1, which is characterized in that the annular piston (7) includes passing through annular table
(7-2) connection coaxial piston inner ring (7-1) and piston outer ring (7-3), further include be fixed on the piston outer ring end (7-3) and
Multiple piston push rods (7-4) of annular piston (7) axial direction are parallel to, multiple piston push rods (7-4) are circumferential along piston outer ring (7-3)
It lays；One end margin of the piston inner ring (7-1) is opposite with the end edge of power transmission hollow shaft (5), and piston outer ring (7-3) is tight
Paste the inner wall of bearing sleeve (3)；
The piston bore (11) includes the cylinder barrel inner cylinder (11-1) and cylinder barrel outer cylinder (11-3) connected by annular slab (11-2),
Pass through screw threads for fastening, cylinder barrel outer cylinder between one end inner wall of the cylinder barrel outer cylinder (11-3) and the end outer wall of bearing sleeve (3)
Pass through screw threads for fastening between the other end outer wall of (11-3) and the inner wall of end of claw sleeve (10)；
There is gap between the end of the cylinder barrel inner cylinder (11-1) and the end of piston inner ring (7-1), to make annular piston (7)
It can move axially, be in close contact between the outer wall of cylinder barrel inner cylinder (11-1) and the inner wall of the annular table (7-2)；
Coaxial spring (19) is equipped between the annular table (7-2) and annular slab (11-2), to power transmission hollow shaft (5)
It resets and thrust is provided；
The piston push rod (7-4) is through the annular slab (11-2) and is fixedly connected the claw (9), to living by annular
It fills in (7) and drives claw (9) axial movement.
6. jack catchs type water feeder as described in claim 1, which is characterized in that the bearing sleeve (3) is close to rotating handle (6)
One end and mandrel (1) outer wall between be equipped with end ring (20), to bearing (2) carry out axial limiting；
The end ring (20) is fixedly connected by fixed pin with bearing sleeve (3)；
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 jack catchs type 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 end ring (20) and mandrel (1), between bearing washer (14) and ring edge, ring edge and
Between bearing sleeve (3), between annular piston (7) and bearing sleeve (3), between annular piston (7) and piston bore (11), card
It is equipped with sealing ring between cylindrical part (9-1) inner wall of pawl (9), to realize sealing function；
Glais ring (22) are filled between the bearing washer (14) and ring edge, to realize sealing function.
8. the construction method of jack catchs type water feeder as claimed in claim 7, which comprises the following steps:
Step 1: installation rotation rotating handle is caught in detent ball in ball groove, and rotating handle is perpendicular to power transmission sky at this time
Mandrel；
Step 2: the trapezoidal hollow axial movement of end pushing tow power transmission of rotating handle, power transmission hollow shaft push annular piston axially to move
It is dynamic, and make the spring contraction between annular piston and piston bore, annular piston pushes claw axial movement, is located at calvus
Ball between lozenges and wedge-shaped inner wall, which presses elastic claw, makes drilling rod of the elastic claw fastening coaxial sleeve in claw；
Step 3: it is passed through high pressure water in high pressure water interface, high pressure water enters annular piston chamber, passes through the intracavitary high pressure of annular piston
Water applies axial thrust to annular piston, further increases the clamping force of claw to lock drilling rod, to realize to drilling rod
After double locking, the installation of drilling rod is completed, drilling rod is started to work；
Step 4: after drilling rod stops working, stopping is passed through high pressure water, rotates rotating handle, rotating handle is made to reset to power transmission
The central axial position of hollow shaft, trapezoidal end no longer pushing tow power transmission hollow shaft, under the action of the spring, annular piston drive claw simultaneously
And push power transmission hollow shaft mobile to rotating handle direction and reset, elastic claw unclamps drilling rod, completes water feeder and drilling rod
Disassembly.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114809915A (en) * | 2022-04-15 | 2022-07-29 | 河南理工大学 | Coal seam deep and long hole drilling, hole sealing and pressure measuring integrated device and pressure measuring method |
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| CN109882096B (en) | 2021-04-20 |
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