CN113334122A - Tapping machine main shaft segmentation second grade feeding structure - Google Patents

Tapping machine main shaft segmentation second grade feeding structure Download PDF

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Publication number
CN113334122A
CN113334122A CN202110748200.5A CN202110748200A CN113334122A CN 113334122 A CN113334122 A CN 113334122A CN 202110748200 A CN202110748200 A CN 202110748200A CN 113334122 A CN113334122 A CN 113334122A
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CN
China
Prior art keywords
wall
main shaft
pipe
hollow
tapping machine
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CN202110748200.5A
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Chinese (zh)
Inventor
赵康
吴锦强
惠文颖
牛健壮
朱钰
谢伟
王鹏程
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Individual
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Priority to CN202110748200.5A priority Critical patent/CN113334122A/en
Publication of CN113334122A publication Critical patent/CN113334122A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
    • B23Q5/22—Feeding members carrying tools or work
    • B23Q5/32—Feeding working-spindles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q2705/00—Driving working spindles or feeding members carrying tools or work
    • B23Q2705/10—Feeding members carrying tools or work
    • B23Q2705/16—Feeding working spindles

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)

Abstract

The invention discloses a tapping machine main shaft subsection two-stage feeding structure, in particular to the technical field of tapping machines, and the technical scheme is as follows: including bracing piece, transport structure, connection structure and main shaft, the bracing piece is total two sets of, bracing piece top installation roof, bracing piece bottom installation connection structure, still include: the first-stage feeding structure is connected to the bottom of the top plate; and a secondary feed structure attached to the top of the connecting structure; and a lifting structure connected to the first stage feeding structure or the second stage feeding structure; and a cleaning structure connected to one end of the conveying structure; and the driving structure is connected with the other end of the conveying structure, and the invention has the beneficial effects that: carry water through transport structure in the clearance structure to reach the section of thick bamboo sword that the pairing rotation goes up and down and clear up, not only can improve the trompil quality next time, still can improve the life of section of thick bamboo sword.

Description

Tapping machine main shaft segmentation second grade feeding structure
Technical Field
The invention relates to the field of tapping machines, in particular to a spindle segmentation two-stage feeding structure of a tapping machine.
Background
The tapping machine is applied more abroad at present, is a safe, environment-friendly, economic and efficient in-service pipeline maintenance and rush-repair technology, is suitable for normal maintenance and reconstruction of various medium pipelines such as crude oil, product oil, chemical medium, natural gas and the like and rush-repair of sudden accidents (such as pressurized rush-repair, corrosion pipe section replacement, device addition, distribution and transformation and other operations), and domestic and foreign tapping machine barrels are generally of a one-stage feeding structure, so that the time is saved, the feeding speed of a drill bit is generally high, and the feeding amount is large.
The prior art has the following defects: most current tapping machines make the hand wheel rotate through the staff when using, will improve intensity of labour like this to and most current tapping machines are using the back, can not clear up the cylinder cutter, thereby not only can influence the trompil quality next time, still can reduce the life of cylinder cutter.
Therefore, the invention is necessary to invent a tapping machine main shaft subsection secondary feeding structure.
Disclosure of Invention
Therefore, the invention provides a tapping machine main shaft subsection two-stage feeding structure, a driving structure drives a lifting structure to rotate through a conveying structure, so that a cylindrical cutter is driven to rotate and lift, water is conveyed into a cleaning structure through the conveying structure, so that the cylindrical cutter which rotates and lifts is cleaned, and the problems that when most of existing tapping machines are used, a hand wheel rotates through workers, and after most of existing tapping machines are used, the cylindrical cutter cannot be cleaned are solved.
In order to achieve the above purpose, the invention provides the following technical scheme: the utility model provides a tapping machine main shaft segmentation second grade feed structure, includes bracing piece, transport structure, connection structure and main shaft, the bracing piece is total two sets of, bracing piece top installation roof, bracing piece bottom installation connection structure, still include: the first-stage feeding structure is connected to the bottom of the top plate; and
the second-stage feeding structure is connected to the top of the connecting structure; and
the lifting structure is connected to the first-stage feeding structure or the second-stage feeding structure; and
the cleaning structure is connected to one end of the conveying structure; and
the driving structure is connected to the other end of the conveying structure;
the pitch of the primary feed structure is greater than the pitch of the secondary feed structure;
the driving structure comprises a sealing box and a positioning assembly, the sealing box is connected to the top end of the hollow pipe through a bearing, baffles are uniformly arranged on the outer wall of the top end of the hollow pipe, the bottom end of the left side of the sealing box is connected with a water drainage pipe, and the inner wall of the right side of the sealing box is connected with a conveying structure;
the cleaning structure comprises a hollow circular plate and brush wires, the brush wires are arranged on the inner wall of the hollow circular plate, a main shaft is arranged on the inner wall of the hollow circular plate, and the inner wall of the right side of the hollow circular plate is connected with a conveying structure.
Preferably, the top of the hollow circular plate is provided with a connecting structure, and the bottom of the hollow circular plate is provided with a connecting structure.
Preferably, the positioning assembly comprises a positioning plate and a sliding groove, the sliding groove is formed in the inner wall of the supporting rod on the left side, the positioning plate is inserted into the inner wall of the sliding groove, and the positioning plate is installed at the top end of the left side of the sealing box.
Preferably, the lifting structure comprises a hollow pipe, a sliding block is installed at the top of the hollow pipe, fixing plates are installed at two ends of the inner wall of the hollow pipe, a main shaft is installed on the inner wall of each fixing plate, a screw rod is connected with the inner wall of each sliding block in a threaded mode, and a hand wheel is installed at the top end of the hollow pipe.
Preferably, the first-stage feeding structure comprises a screw and a threaded hole, the top of the screw is mounted on the inner wall of the top plate, the screw is in threaded connection with the inner wall of the threaded hole, and the inner wall of the main shaft is provided with the threaded hole.
Preferably, the second-stage feeding structure comprises a guide pipe and an internal thread pipe, the internal thread pipe is installed at the top of the connecting structure, the guide pipe is installed at the top of the internal thread pipe, and the lifting structure is located above the second-stage feeding structure.
Preferably, the conveying structure comprises a first tee joint and a second tee joint, the right end of the first tee joint is connected with a water inlet pipe, the bottom end of the first tee joint is connected with a first water outlet pipe, the bottom end of the first water outlet pipe is connected to the inner wall of the hollow circular plate, the left end of the first tee joint is connected with a second water outlet pipe, and the left end of the second water outlet pipe is connected with the second tee joint;
and the two ends of the second three-way joint are connected with water pipes, the inner walls of the two ends of the right side of the sealing box are connected with the water pipes, and the two groups of water pipes are positioned on the two sides of the baffle.
Preferably, the connecting structure comprises a flange and a connecting rod, the connecting rod is installed at two ends of the bottom of the connecting structure, the bottom of the connecting rod is provided with an installation flange, and a hollow circular plate is installed at the top of the flange.
Preferably, the bottom of the main shaft penetrates through the flange to be connected with the drill bit, and the bottom end of the main shaft is connected with the cylindrical cutter.
The invention has the beneficial effects that:
1. the driving structure drives the lifting structure to rotate through the conveying structure, so that the cylindrical cutter is driven to rotate and lift, the labor intensity is reduced, and the convenience is improved;
2. the water is conveyed into the cleaning structure through the conveying structure, so that the rotating and lifting cylinder cutter is cleaned, the quality of the next hole opening is improved, and the service life of the cylinder cutter is prolonged;
3. the driving structure and the cleaning structure work through the conveying structure, so that the cost is reduced;
4. the barrel cutter is fed in a grading manner through the first-stage feeding structure and the second-stage feeding structure, so that the cutting feeding speed and the feeding amount of the barrel cutter can be effectively controlled, the phenomena of damage to the barrel cutter, cutter beating, cutter clamping, main shaft deviation, main shaft damage and the like can be avoided, and accidents can be reduced.
Drawings
FIG. 1 is a schematic front view of the structure provided by the present invention;
FIG. 2 is an enlarged view of the structure at A in FIG. 1 according to the present invention;
FIG. 3 is an enlarged view of the structure at B in FIG. 1 according to the present invention;
FIG. 4 is an enlarged view of the structure at C of FIG. 1 according to the present invention;
FIG. 5 is an enlarged view of the structure at D in FIG. 1 according to the present invention;
FIG. 6 is a schematic view of a driving structure provided by the present invention;
fig. 7 is a schematic top view of a driving structure provided in the present invention.
In the figure: the device comprises a support rod 1, a top plate 11, a connecting structure 12, a lifting structure 2, a hollow pipe 21, a sliding block 22, a fixing plate 23, a hand wheel 24, a first-stage feeding structure 3, a screw rod 31, a threaded hole 32, a second-stage feeding structure 4, a guide pipe 41, an internal threaded pipe 42, a conveying structure 5, a first three-way joint 51, a water inlet pipe 52, a first water outlet pipe 53, a second water outlet pipe 54, a second three-way joint 55, a water pipe 56, a cleaning structure 6, a hollow circular plate 61, a brush wire 62, a driving structure 7, a sealing box 71, a baffle plate 72, a water outlet pipe 73, a positioning component 74, a positioning plate 741, a sliding groove 742, a connecting structure 8, a flange 81, a connecting rod 82, a main shaft 9, a cylindrical cutter 91 and a drill 92.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
Referring to the attached drawings 1-7, the present invention provides a tapping machine spindle segmentation secondary feeding structure, which comprises two groups of support rods 1, a conveying structure 5, a connecting structure 8 and a spindle 9, wherein the top of each support rod 1 is provided with a top plate 11, the bottom of each support rod 1 is provided with a connecting structure 12, and the structure further comprises: a first stage feeding structure 3 connected to the bottom of the top plate 11; and
a secondary feeding structure 4 connected on top of the connecting structure 12; and
the lifting structure 2 is connected to the first-stage feeding structure 3 or the second-stage feeding structure 4; and
a cleaning structure 6 connected to one end of the conveying structure 5; and
a driving structure 7 connected to the other end of the conveying structure 5;
further, the pitch of the primary feeding structure 3 is larger than the pitch of the secondary feeding structure 4, in particular by setting the pitch of the primary feeding structure 3 larger than the pitch of the secondary feeding structure 4 has the effect that the lifting speed of the lifting structure 2 at the primary feeding structure 3 is larger than the lifting speed of the lifting structure 2 at the secondary feeding structure 4.
Further, drive structure 7 includes seal box 71 and locating component 74, seal box 71 passes through the bearing and connects on the top of hollow tube 21, hollow tube 21 top outer wall evenly installs baffle 72, drain pipe 73 is connected to the left side bottom of seal box 71, the right side inner wall connection transport structure 5 of seal box 71, concretely, baffle 72 has the effect that drives hollow tube 21 and carry out the rotation, drain pipe 73 has the effect of giving the water of seal box 71 and discharging away, seal box 71 has through the bearing and avoids following hollow tube 21 and carry out the effect of rotation.
Further, the cleaning structure 6 comprises a hollow circular plate 61 and brush wires 62, the brush wires 62 are arranged on the inner wall of the hollow circular plate 61, the main shaft 9 is arranged on the inner wall of the hollow circular plate 61, the right inner wall of the hollow circular plate 61 is connected with the conveying structure 5, and specifically, the hollow circular plate 61 has the function of cleaning the rotating and lifting barrel cutter 91 through the brush wires 62.
Further, the top of the hollow circular plate 61 is provided with the connecting structure 12, and the bottom of the hollow circular plate 61 is provided with the connecting structure 8.
Further, the positioning assembly 74 includes a positioning plate 741 and a sliding groove 742, the sliding groove 742 is formed in the inner wall of the left support rod 1, the positioning plate 741 is inserted into the inner wall of the sliding groove 742, the positioning plate 741 is mounted at the top end of the left side of the sealing box 71, specifically, the positioning plate 741 has an effect of ascending and descending in the sliding groove 742, and the sealing box 71 is prevented from rotating through the positioning assembly 74.
Further, elevation structure 2 includes hollow tube 21, hollow tube 21 top installation slider 22, hollow tube 21 inner wall both ends installation fixed plate 23, fixed plate 23 inner wall installation main shaft 9, slider 22 inner wall threaded connection screw rod 31, hollow tube 21 top installation hand wheel 24, it is specific, slider 22 has the effect that drives hollow tube 21 and carry out rotatory lift through screw rod 31, it carries out rotatory effect to have drive hollow tube 21 through hand wheel 24, hollow tube 21 has the effect of fixing main shaft 9 through fixed plate 23, slider 22 is preferably the iron material, slider 22 has the effect of high weight.
Further, the first-stage feeding structure 3 comprises a screw 31 and a threaded hole 32, the top of the screw 31 is mounted on the inner wall of the top plate 11, the screw 31 is in threaded connection with the inner wall of the threaded hole 32, the threaded hole 32 is formed in the inner wall of the main shaft 9, and specifically, the screw 31 has the function of enabling the main shaft 9 to rotate and lift through the threaded hole 32.
Further, second level feeding structure 4 includes stand pipe 41 and internal thread pipe 42, connecting structure 12 top installation internal thread pipe 42, internal thread pipe 42 top installation stand pipe 41, elevation structure 2 is located second level feeding structure 4 top, and is concrete, and internal thread pipe 42 has the effect of carrying out threaded connection with hollow tube 21, when internal thread pipe 42 and hollow tube 21 threaded connection, has the effect that drives main shaft 9 and rotate the lift, and stand pipe 41 has the effect of leading to hollow tube 21.
Further, the conveying structure 5 comprises a first tee joint 51 and a second tee joint 55, the right end of the first tee joint 51 is connected with the water inlet pipe 52, the bottom end of the first tee joint 51 is connected with a first water outlet pipe 53, the bottom end of the first water outlet pipe 53 is connected to the inner wall of the hollow circular plate 61, the left end of the first tee joint 51 is connected with a second water outlet pipe 54, and the left end of the second water outlet pipe 54 is connected with the second tee joint 55;
the two ends of the second three-way joint 55 are connected with the water pipes 56, the inner walls of the two right ends of the sealing box 71 are connected with the water pipes 56, the two groups of water pipes 56 are positioned at the two sides of the baffle plate 72, specifically, one end of the first water outlet pipe 53 has the function of being connected with the first external electromagnetic valve, the water pipe 56 has the function of being connected with the second external electromagnetic valve, the water inlet pipe 52 has the function of being connected with an external water pump, by means of the function of the water inlet pipe 52, water flows into the first water outlet pipe 53 and the second water outlet pipe 54, when the water flows into the first water outlet pipe 53, the water has the function of flowing into the hollow circular plate 61 through the first water outlet pipe 53, when the water flows into the second water outlet pipe 54, the water flows into the water pipe 56 through the second three-way joint 55, the water flowing into the water pipe 56 has the effect of flowing into the sealing box 71, and the water flowing into the sealing box 71 has the effect of pushing the baffle plate 72, so that the hollow pipe 21 is driven to rotate.
Further, the connecting structure 8 comprises a flange 81 and a connecting rod 82, the connecting rod 82 is installed at two ends of the bottom of the connecting structure 12, the flange 81 is installed at the bottom of the connecting rod 82, and the hollow circular plate 61 is installed at the top of the flange 81.
Further, the bottom of the main shaft 9 passes through the flange 81 to be connected with a drill 92, and the bottom end of the main shaft 9 is connected with a cylindrical cutter 91.
The using process of the invention is as follows: when the punching machine is needed, only one group of the second external electromagnetic valves is opened, the first external electromagnetic valves are closed, then water flows into the corresponding water pipes 56, after the water flows in, the water pushes one side of the baffle plate 72, so that the hollow pipe 21 rotates, the rotating hollow pipe 21 drives the sliding block 22 and the main shaft 9 to rotate, the rotating main shaft 9 rotates and descends through the screw rod 31 and the threaded hole 32, so that the cylinder cutter 91 and the drill 92 perform first-stage feeding, when the main shaft 9 rotates and descends, the hollow pipe 21 also descends along with the rotation, the rotating and descending hollow pipe 21 slowly enters the guide pipe 41, when the sliding block 22 is just separated from the screw rod 31, the hollow pipe 21 is in threaded connection with the internal threaded pipe 42, after the threaded connection, the hollow pipe 21 drives the main shaft 9 to rotate and descend through the internal threaded pipe 42, thereby, the cylinder cutter 91 and the drill 92 are fed for the second stage, wherein when the cylinder cutter 91 and the drill 92 meet high resistance, water cannot drive the baffle 72 to rotate, at this time, the external water pump is turned off, so that a worker drives the hollow pipe 21 to rotate through the hand wheel 24, when the punching machine is not needed, only the other external electromagnetic valve II is turned on and the external electromagnetic valve I is turned off, then water flows into the corresponding water pipe 56, after the water flows in, the water pushes the other side of the baffle 72, so that the hollow pipe 21 rotates reversely, and the reversely rotating hollow pipe 21 drives the main shaft 9 to ascend until the cylinder cutter 91 is positioned at the hollow circular plate 61;
when the cleaning is needed, the first external electromagnetic valve is opened, the two groups of second external electromagnetic valves are opened in a staggered mode, when the two groups of second external electromagnetic valves are opened in a staggered mode, the cylindrical cutter 91 and the drill 92 rotate and ascend, when the first external electromagnetic valves are opened, water flows into the hollow circular plate 61 through the first water outlet pipe 53, the cylindrical cutter 91 is wetted by the water flowing into the hollow circular plate 61, and the cylindrical cutter 91 is cleaned by the hollow circular plate 61 through the brush wires 62 when the water is wetted.
The above description is only a preferred embodiment of the present invention, and any person skilled in the art may modify the present invention or modify it into an equivalent technical solution by using the technical solution described above. Therefore, any simple modifications or equivalent substitutions made in accordance with the technical solution of the present invention are within the scope of the claims of the present invention.

Claims (9)

1. The utility model provides a tapping machine main shaft segmentation secondary feed structure, includes bracing piece (1), transport structure (5), connection structure (8) and main shaft (9), bracing piece (1) is total two sets of, bracing piece (1) top installation roof (11), bracing piece (1) bottom installation connection structure (12), its characterized in that still includes: the first-stage feeding structure (3) is connected to the bottom of the top plate (11); and
a secondary feeding structure (4) connected on top of the connecting structure (12); and
the lifting structure (2) is connected to the first-stage feeding structure (3) or the second-stage feeding structure (4); and
a cleaning structure (6) connected to one end of the conveying structure (5); and
a driving structure (7) connected to the other end of the conveying structure (5);
the pitch of the primary feeding structure (3) is larger than that of the secondary feeding structure (4);
the driving structure (7) comprises a sealing box (71) and a positioning assembly (74), the sealing box (71) is connected to the top end of the hollow pipe (21) through a bearing, baffles (72) are uniformly arranged on the outer wall of the top end of the hollow pipe (21), the bottom end of the left side of the sealing box (71) is connected with a drain pipe (73), and the inner wall of the right side of the sealing box (71) is connected with the conveying structure (5);
clearance structure (6) are including hollow plectane (61) and brush silk (62), hollow plectane (61) inner wall is equipped with main shaft (9), transport structure (5) are connected to the right side inner wall of hollow plectane (61).
2. The tapping machine spindle segmented secondary feed structure according to claim 1, wherein: the top of the hollow circular plate (61) is provided with a connecting structure (12), and the bottom of the hollow circular plate (61) is provided with a connecting structure (8).
3. The tapping machine spindle segmented secondary feed structure according to claim 1, wherein: locating component (74) includes locating plate (741) and spout (742), and left side spout (742) have been seted up to bracing piece (1) inner wall, spout (742) inner wall grafting locating plate (741), locating plate (741) are installed to the left side top of seal box (71).
4. The tapping machine spindle segmented secondary feed structure according to claim 1, wherein: elevation structure (2) include hollow tube (21), hollow tube (21) top installation slider (22), hollow tube (21) inner wall both ends installation fixed plate (23), fixed plate (23) inner wall installation main shaft (9), slider (22) inner wall threaded connection screw rod (31), hand wheel (24) are installed on hollow tube (21) top.
5. The tapping machine spindle segmented secondary feed structure according to claim 1, wherein: first order feed structure (3) include screw rod (31) and screw hole (32), install at roof (11) inner wall at screw rod (31) top, screw rod (31) threaded connection is in screw hole (32) inner wall, screw hole (32) have been seted up to main shaft (9) inner wall.
6. The tapping machine spindle segmented secondary feed structure according to claim 1, wherein: the second-stage feeding structure (4) comprises a guide pipe (41) and an internal threaded pipe (42), the internal threaded pipe (42) is installed at the top of the connecting structure (12), the guide pipe (41) is installed at the top of the internal threaded pipe (42), and the lifting structure (2) is located above the second-stage feeding structure (4).
7. The tapping machine spindle segmented secondary feed structure according to claim 1, wherein: the conveying structure (5) comprises a first tee joint (51) and a second tee joint (55), the right end of the first tee joint (51) is connected with a water inlet pipe (52), the bottom end of the first tee joint (51) is connected with a first water outlet pipe (53), the bottom end of the first water outlet pipe (53) is connected to the inner wall of a hollow circular plate (61), the left end of the first tee joint (51) is connected with a second water outlet pipe (54), and the left end of the second water outlet pipe (54) is connected with the second tee joint (55);
and two ends of the second three-way joint (55) are connected with water pipes (56), the inner walls of the two ends of the right side of the sealing box (71) are connected with the water pipes (56), and the two groups of water pipes (56) are positioned on two sides of the baffle (72).
8. The tapping machine spindle segmented secondary feed structure according to claim 1, wherein: connection structure (8) include flange (81) and connecting rod (82), connection structure (12) bottom both ends erection joint pole (82), connecting rod (82) bottom mounting flange (81), hollow plectane (61) of flange (81) top installation.
9. The tapping machine spindle segmented secondary feed structure according to claim 1, wherein: the bottom of the main shaft (9) penetrates through a flange (81) to be connected with a drill bit (92), and the bottom end of the main shaft (9) is connected with a cylindrical cutter (91).
CN202110748200.5A 2021-07-01 2021-07-01 Tapping machine main shaft segmentation second grade feeding structure Withdrawn CN113334122A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110748200.5A CN113334122A (en) 2021-07-01 2021-07-01 Tapping machine main shaft segmentation second grade feeding structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110748200.5A CN113334122A (en) 2021-07-01 2021-07-01 Tapping machine main shaft segmentation second grade feeding structure

Publications (1)

Publication Number Publication Date
CN113334122A true CN113334122A (en) 2021-09-03

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Application Number Title Priority Date Filing Date
CN202110748200.5A Withdrawn CN113334122A (en) 2021-07-01 2021-07-01 Tapping machine main shaft segmentation second grade feeding structure

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CN (1) CN113334122A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114799993A (en) * 2022-06-08 2022-07-29 国家石油天然气管网集团有限公司 Tapping machine main shaft segmentation second grade feed mechanism

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114799993A (en) * 2022-06-08 2022-07-29 国家石油天然气管网集团有限公司 Tapping machine main shaft segmentation second grade feed mechanism
CN114799993B (en) * 2022-06-08 2023-10-20 国家石油天然气管网集团有限公司 Main shaft subsection secondary feeding mechanism of tapping machine

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Application publication date: 20210903