CN108625843B - Automatic control system for perpendicularity of long spiral drilling machine - Google Patents

Automatic control system for perpendicularity of long spiral drilling machine Download PDF

Info

Publication number
CN108625843B
CN108625843B CN201810320166.XA CN201810320166A CN108625843B CN 108625843 B CN108625843 B CN 108625843B CN 201810320166 A CN201810320166 A CN 201810320166A CN 108625843 B CN108625843 B CN 108625843B
Authority
CN
China
Prior art keywords
sealing tube
drilling machine
control system
swinging
automatic control
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201810320166.XA
Other languages
Chinese (zh)
Other versions
CN108625843A (en
Inventor
王雷
丁汉英
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CCCC Second Harbor Engineering Co
Original Assignee
CCCC Second Harbor Engineering Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by CCCC Second Harbor Engineering Co filed Critical CCCC Second Harbor Engineering Co
Priority to CN201810320166.XA priority Critical patent/CN108625843B/en
Publication of CN108625843A publication Critical patent/CN108625843A/en
Application granted granted Critical
Publication of CN108625843B publication Critical patent/CN108625843B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B44/00Automatic control systems specially adapted for drilling operations, i.e. self-operating systems which function to carry out or modify a drilling operation without intervention of a human operator, e.g. computer-controlled drilling systems; Systems specially adapted for monitoring a plurality of drilling variables or conditions
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01CMEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C9/00Measuring inclination, e.g. by clinometers, by levels
    • G01C9/12Measuring inclination, e.g. by clinometers, by levels by using a single pendulum plumb lines G01C15/10

Abstract

The utility model relates to the technical field of long spiral drilling machine construction, in particular to an automatic control system for the perpendicularity of a long spiral drilling machine. The drilling machine comprises a sealing tube fixed on the drilling machine and a connecting rod positioned in the sealing tube; the connecting rod upper end can articulated connect in the roof of sealed tube with universal rotation, pendulum ball, its characterized in that is installed to the lower extreme of connecting rod: an amplifying device capable of amplifying the displacement of the pendulum ball along the radial direction of the sealing tube is arranged in the sealing tube; the upper end of the amplifying device is connected with a swing ball, and the lower end of the amplifying device is provided with a lead connected with the electric signal of the landing leg of the drilling machine. The utility model effectively improves the accuracy of verticality control of the long spiral drilling machine when the ultra-deep pile body is constructed, and improves the integrity and the water-stopping effect of the water-stopping curtain. The utility model can also be used for other construction equipment with high pile frames and supporting legs and certain requirement on verticality, and has high popularization value.

Description

Automatic control system for perpendicularity of long spiral drilling machine
Technical Field
The utility model relates to the technical field of long spiral drilling machine construction, in particular to an automatic control system for the perpendicularity of a long spiral drilling machine.
Background
At present, the long spiral drilling machine is widely used for the construction of waterproof curtains such as high-spraying piles, stirring piles and the like due to the characteristics of wide applicability, high construction efficiency and good construction effect.
And because of the high pile frame and the overlong drill rod of the long spiral drilling machine, when the waterproof curtain with a deeper depth is constructed, the deviation of the pile body at the bottom of the curtain is often caused by the deviation of the perpendicularity of the pile frame, so that the pile bodies are too large in deviation, and the split and water leakage points are generated between the pile bodies to influence the waterproof effect.
In order to solve the technical problem, there is a Chinese patent with the patent number of CN205591907U, named as a perpendicularity early warning device of a long spiral drilling machine, and the patent introduces a perpendicularity early warning device which comprises a base and an adjusting plate which is connected above the base and has adjustable levelness, wherein a perpendicularity sensing mechanism is arranged above the adjusting plate, and the base is also provided with an early warning mechanism which is connected with the perpendicularity sensing mechanism. Wherein the device senses the change of verticality through a suspended metal pendant ball and then reacts to the change through a sensor structure corresponding to the metal pendant ball. The device can only react and early warn to vertical changes, but can not automatically adjust the verticality, and the verticality needs to be manually adjusted. In addition, the device reflects the actual low precision simply through the metal drop ball, and can not accurately reflect the verticality change of the whole drilling machine, so that the effect of accurately controlling the verticality is difficult to achieve.
Disclosure of Invention
The utility model aims to solve the problems that the verticality adjusting device in the prior art is low in accuracy and cannot accurately control the verticality of a drill rod in the background art, and provides an automatic control system for the verticality of a long spiral drilling machine.
The technical scheme of the utility model is as follows: an automatic control system for verticality of a long spiral drilling machine comprises a sealing pipe fixed on the drilling machine and a connecting rod positioned in the sealing pipe; the connecting rod upper end can articulated connect in the roof of sealed tube with universal rotation, pendulum ball, its characterized in that is installed to the lower extreme of connecting rod: an amplifying device capable of amplifying the displacement of the pendulum ball along the radial direction of the sealing tube is arranged in the sealing tube; the upper end of the amplifying device is connected with a swing ball, and the lower end of the amplifying device is provided with a lead connected with the electric signal of the landing leg of the drilling machine.
The amplifying device further comprises a fixed plate and a swinging rod; the fixed plate is positioned in the sealing tube, and a through hole for connecting rod movement is formed in the center of the fixed plate; the upper ends of the swing rods penetrate through the fixed plate and are connected with the fixed plate in a hinged mode in a universal rotation mode, the lower ends of the swing rods are connected with corresponding wires in the swinging process, the swing rods are arranged at intervals in the circumferential direction of the sealing tube at equal intervals by taking the axis of the sealing tube as the center, and the swing rods are in contact with the swing ball around the swing ball in the swinging process; the wire comprises a first wire connected with the upper end of the swing rod and a second wire positioned at the lower end of the swing rod; the first lead and the second lead are electrically connected with the landing leg of the drilling machine.
The amplifying device further comprises a boss positioned on the bottom plate of the sealing tube; the boss is of an annular structure coaxially arranged with the sealing tube, and a plurality of slide ways corresponding to the swing rods are arranged on the boss; the slideway is arranged along the radial direction of the sealing tube, and is an arc-shaped channel with an opening at the upper end and two high ends and two low ends in the middle; the lower end of the swing rod is provided with a spring sheet which can slide in the slideway; the elastic sheet is an elastic sheet structure, the upper end of the elastic sheet is fixed at the lower end of the swing rod, and the lower end of the elastic sheet is connected in the corresponding slideway in a sliding way.
A peripheral stop block is arranged on a boss at one end of the slideway far away from the axis of the sealing tube, and a second lead connected with the landing leg of the drilling machine is arranged on each peripheral stop block; the elastic sheet contacts with the peripheral stop block when sliding along the slideway to one end of the slideway far away from the axis of the sealing tube.
An intermediate stop block is arranged in the middle of the sealing tube bottom plate; the middle stop block is positioned in the middle of the boss and used for preventing two or more elastic sheets from contacting each other in the swinging process.
A reset spring is arranged on the fixing plate; the reset spring is arranged along the radial direction of the sealing tube, one end of the reset spring is fixed on the fixing plate, and the other end of the reset spring is fixed on the upper end of the swing rod penetrating through the fixing plate.
A plurality of sliding grooves are formed in the fixing plate, and the sliding grooves are distributed in a divergent mode by taking the axis of the sealing tube as the center; one end of the sliding groove is communicated with a through hole in the middle of the fixed plate for the connecting rod to move, and the other end of the sliding groove extends to the corresponding swing rod along the radial direction of the fixed plate.
A screw hole is formed in the center of the sealing tube top plate; nuts are arranged in the screw holes; a rubber sleeve is arranged in the nut; the upper end of the connecting rod can be movably arranged in the rubber sleeve in a penetrating manner along the vertical direction.
Further, the sealing tube is filled with insulating sealing liquid.
Further, a level gauge is arranged on the upper end face of the top plate.
The utility model has the advantages that: 1. the amplification device is arranged below the pendulum ball, so that the shaking of the connecting rod and the pendulum ball can be amplified, the verticality of the whole sealing tube can be measured more accurately, and the accuracy of the verticality measurement of the whole device is improved;
2. the swinging of the connecting rod and the swinging ball is amplified through the swinging rod, so that the whole device has a simple structure, is convenient to operate, does not need to involve a sensing device with high manufacturing cost, saves the cost of the whole device, and improves the verticality measuring precision of the whole device;
3. by arranging the boss on the bottom plate, the elastic sheet can slide over the annular bulge and spring to contact with the peripheral check blocks only when the verticality exceeds a certain range, and can be separated from the peripheral check blocks and slide back to the central position when the verticality is corrected to a certain range, so that the circuit is prevented from being continuously connected and disconnected;
4. by injecting insulating sealing liquid into the sealing pipe, the influence of the vibration of the drilling machine on the system is greatly relieved, the swing ball cannot swing due to common vibration, and can swing only when the perpendicularity changes, so that a signal is triggered;
5. through set up bolt and rubber sleeve structure on the roof, can adjust the length that the connecting rod stretched out the roof, adjust the axial position of pendulum ball, change signal size, adjust the measurement accuracy of whole device straightness that hangs down.
The utility model effectively improves the accuracy of verticality control of the long spiral drilling machine when the ultra-deep pile body is constructed, and improves the integrity and the water-stopping effect of the water-stopping curtain. The utility model can also be used for other construction equipment with high pile frames and supporting legs and certain requirement on verticality, and has high popularization value.
Drawings
Fig. 1: the structure of the utility model is schematically shown;
fig. 2: the fixing plate mounting structure of the utility model is schematically shown (top view);
fig. 3: the boss structure schematic diagram (top view) of the utility model;
wherein: 1-sealing the tube; 2-a connecting rod; 3-top plate; 4-a bottom plate; 5-ball swinging; 6, a fixing plate; 7-swinging rod; 8-a first wire; 9-a second wire; 10-a boss; 11-a slideway; 12-shrapnel; 13-peripheral stops; 14-an intermediate stop; 15-a return spring; 16-a chute; 17-a rubber sleeve; 18-sealing the liquid; 19-level gauge.
Detailed Description
The utility model will now be described in further detail with reference to the drawings and to specific examples.
As shown in fig. 1-3, a long spiral drilling machine verticality automatic control system comprises a sealing tube 1 fixed on a drilling machine through a support, wherein the sealing tube 1 swings along with the drilling machine, the swinging condition of the drilling machine can be reflected, the sealing tube 1 comprises a top plate 3 and a bottom plate 4, the sealing tube 1 is of a cylindrical cavity structure, insulating sealing liquid 18 is sealed in the sealing tube 1, the sealing liquid 18 can reduce the influence of the vibration of the drilling machine on objects in the sealing tube 1, and the general vibration cannot generate swinging to cause judgment errors.
A screw hole is formed in the center of the sealing tube top plate 3, a nut is arranged in the screw hole, a rubber sleeve 17 is arranged in the nut, and the upper end of the connecting rod 2 can be movably arranged in the rubber sleeve 17 in a penetrating manner along the vertical direction. The upper end of the connecting rod 2 can be hinged and connected with the top plate 3 of the sealing tube 1 in a universal rotation manner, the swing ball 5 is arranged at the lower end of the connecting rod 2, once the perpendicularity of the sealing tube 1 changes, the swing ball 5 can swing together, and the change condition of the perpendicularity is clearly reflected.
In the embodiment, the swing displacement of the swing ball 5 is amplified by installing the amplifying device at the swing ball 5, so that the verticality measuring precision is improved. As shown in fig. 1 to 3, the amplifying device comprises a fixed plate 6 and swing rods 7, the fixed plate 6 is positioned in a sealing tube 1, through holes for connecting rods 2 to move are formed in the center of the fixed plate 6, the upper ends of the swing rods 7 penetrate through the fixed plate 6 and can be hinged to the fixed plate 6 in a universal rotation mode, the lower ends of the swing rods 7 are connected with corresponding wires in the swinging process, the plurality of swing rods 7 are arranged at equal intervals along the circumferential direction of the sealing tube 1 by taking the axis of the sealing tube 1 as the center, the plurality of swing rods 7 are in contact with the swing balls 5 in the swinging process of the swing balls 5 around the periphery of the swing balls 5, 8 swing balls 7 are arranged at equal intervals along the circumferential direction of the swing tubes by taking the axis of the sealing tube 1 as the center, the swing balls 5 are positioned between the 8 swing rods 7, the upper ends of the swing balls 7 collide with the swing balls 5 in a collision mode, the lower ends of the swing rods 7 are in a lever mode to amplify radial displacement of the swing balls 5 through the lever effect, then displacement change signals are recorded through the wires of the upper ends and the lower ends of the swing rods 7 and are transmitted to a drilling machine landing leg, and the verticality of the drilling machine is controlled. The wires comprise a first wire 8 connected with the upper end of the swing rod 7 and a second wire 9 positioned at the lower end of the swing rod 7, and the first wire 8 and the second wire 9 are electrically connected with the landing leg of the drilling machine. A conduit is provided in the sealing tube 1, in which conduit the first and second wires 8, 9 are arranged from contact with the sealing liquid 18 in the sealing tube 1.
The upper end of the swing rod 7 of this embodiment is fixed on the fixed plate 6, as shown in fig. 1-2, a return spring 15 is mounted on the fixed plate 6, the return spring 15 is arranged along the radial direction of the sealing tube 1, one end is fixed on the fixed plate 6, and the other end is fixed on the upper end of the swing rod 7 penetrating through the fixed plate 6. After the perpendicularity is restored to the vertical state, the return spring 15 acts on the swing rod 7 to force the swing rod 7 to restore to the vertical state.
The fixed plate 6 is provided with a plurality of sliding grooves 16, the sliding grooves 16 are distributed in a divergent mode by taking the axis of the sealing tube 1 as the center, one end of each sliding groove 16 is communicated with a through hole in the middle of the fixed plate 6 for connecting rod movement, and the other end of each sliding groove extends to the corresponding swing rod 7 along the radial direction of the fixed plate 6. When the verticality of the sealing tube 1 is changed, the connecting rod 2 enters the corresponding sliding groove 16, the swing ball 5 collides with the corresponding swing rod 7, and the swing rod 7 transmits corresponding signals to the landing leg of the drilling machine.
In addition, the accuracy of the overall device verticality adjustment is improved. In the embodiment, the boss 10 is arranged on the sealing tube bottom plate 4, the boss 10 is of a flexible annular structure coaxially arranged with the sealing tube 1, a plurality of slide ways 11 corresponding to the swinging rods 7 are arranged on the boss 10, the slide ways 11 are arranged along the radial direction of the sealing tube 1, the slide ways 11 are arc-shaped channels with an opening at the upper end and two ends high and low in the middle, the lower end of the swinging rod 7 is provided with the elastic sheet 12 capable of sliding in the slide ways 11, and the elastic sheet 12 is of an elastic sheet-shaped structure with the upper end fixed at the lower end and the lower end of the swinging rod 7 and connected in a sliding manner in the corresponding slide ways 11. A peripheral stop 13 is arranged on a boss 10 at one end of the slideway 11 far away from the axis of the sealing tube 1, a second lead 9 connected with the landing leg of the drilling machine is arranged on each peripheral stop 13, and the elastic sheet 12 is contacted with the peripheral stop 13 when sliding along the slideway 11 to one end of the slideway 11 far away from the axis of the sealing tube 1. That is, only the elastic sheet 12 passes through the slide 11 and collides with the peripheral stop block 13 to trigger signals, thereby achieving the purpose of adjusting verticality, and the combined structure of the boss 10 and the slide 11 can actually reduce the probability of misoperation.
In order to avoid collision between the elastic pieces 12 and 12, in this embodiment, a middle stop 14 is installed in the middle of the sealing tube bottom plate 4, and the middle stop 14 is located in the middle of the boss 10 to prevent two or more elastic pieces 12 from contacting each other during the swinging process.
The level meter 19 is installed on the upper end surface of the top plate 3, so that the levelness of the whole sealing tube 1 can be observed by naked eyes, and the levelness of the whole sealing tube 1 can be combined with the whole sealing tube 1, thereby achieving the purpose of mutual verification.
When the sealing tube 1 is installed on a drilling machine, the sealing tube 1 is inclined when the drilling machine deflects, the swing ball 5 swings and collides with the swing rod 7 in the corresponding direction, the elastic sheet 12 at the lower end of the swing rod 7 passes through the corresponding slide way 11 to be in contact with the peripheral stop block 13 at the periphery of the boss 10, a signal that the sealing tube 1 deflects is sent out, the deflection condition of the sealing tube 1 can be judged by comparing the signals of the first conducting wire 8 and the second conducting wire 9 at the upper end of the swing rod 7, the drilling machine is automatically adjusted by a control system according to the signals, when the drilling machine is restored to the vertical state, the swing rod 7 is restored to the vertical state under the action of the reset spring 15, the elastic sheet 12 is driven to pass through the slide way 11 to be restored to the center of the boss 10, and the whole verticality adjustment is completed.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (8)

1. An automatic control system for the verticality of a long spiral drilling machine comprises a sealing tube (1) fixed on the drilling machine and a connecting rod (2) positioned in the sealing tube (1); the connecting rod (2) upper end can articulated connect in roof (3) of sealed tube (1) with universal rotation, pendulum ball (5) are installed to the lower extreme of connecting rod (2), its characterized in that: an amplifying device capable of amplifying the displacement of the pendulum ball (5) along the radial direction of the sealing tube (1) is arranged in the sealing tube (1); the upper end of the amplifying device is connected with a swing ball (5), and the lower end of the amplifying device is provided with a lead connected with the electric signal of the landing leg of the drilling machine;
the amplifying device comprises a fixed plate (6) and a swinging rod (7); the fixing plate (6) is positioned in the sealing tube (1), and a through hole for the connecting rod (2) to move is formed in the center of the fixing plate (6); the upper ends of the swinging rods (7) penetrate through the fixed plate (6) and are connected with the fixed plate (6) in a hinged mode in a universal mode, the lower ends of the swinging rods are connected with corresponding wires in the swinging process, the swinging rods (7) are arranged at equal intervals along the circumferential direction of the sealing tube (1) by taking the axis of the sealing tube (1) as the center, and the swinging rods (7) surround the periphery of the swinging ball (5) and are contacted with the swinging ball (5) in the swinging process of the swinging ball (5); the wires comprise a first wire (8) connected with the upper end of the swing rod (7) and a second wire (9) positioned at the lower end of the swing rod (7); the first lead (8) and the second lead (9) are electrically connected with the landing leg of the drilling machine;
a screw hole is formed in the center of the sealing tube top plate (3); nuts are arranged in the screw holes; a rubber sleeve (17) is arranged in the nut; the upper end of the connecting rod (2) can be movably arranged in the rubber sleeve (17) in a penetrating manner along the vertical direction.
2. The automatic control system for perpendicularity of a long auger drilling machine according to claim 1, wherein: the amplifying device also comprises a boss (10) positioned on the sealing tube bottom plate (4); the boss (10) is of an annular structure coaxially arranged with the sealing tube (1), and a plurality of slide ways (11) corresponding to the swing rods (7) are arranged on the boss (10); the slide way (11) is arranged along the radial direction of the sealing tube (1), and the slide way (11) is an arc-shaped channel with an opening at the upper end and two high ends and two low ends in the middle; the lower end of the swing rod (7) is provided with a spring piece (12) which can slide in the slideway (11); the elastic sheet (12) is an elastic sheet structure, the upper end of the elastic sheet structure is fixed at the lower end of the swing rod (7), and the lower end of the elastic sheet structure is connected in the corresponding slideway (11) in a sliding way.
3. The automatic control system for verticality of a long spiral drilling machine according to claim 2, wherein: a peripheral stop block (13) is arranged on a boss (10) at one end, far away from the axis of the sealing tube (1), of the slideway (11), and a second lead (9) connected with a supporting leg of the drilling machine is arranged on each peripheral stop block (13); the elastic sheet (12) is contacted with the peripheral stop block (13) when sliding along the slideway (11) to one end of the slideway (11) far away from the axis of the sealing tube (1).
4. The automatic control system for verticality of a long spiral drilling machine according to claim 2, wherein: an intermediate stop block (14) is arranged in the middle of the sealing tube bottom plate (4); the middle stop block (14) is positioned in the middle of the boss (10) and used for preventing two or more elastic sheets (12) from contacting each other in the swinging process.
5. The automatic control system for perpendicularity of a long auger drilling machine according to claim 1, wherein: a reset spring (15) is arranged on the fixed plate (6); the reset spring (15) is arranged along the radial direction of the sealing tube (1), one end of the reset spring is fixed on the fixed plate (6), and the other end of the reset spring is fixed at the upper end of the swing rod (7) penetrating through the fixed plate (6).
6. The automatic control system for perpendicularity of a long auger drilling machine according to claim 5, wherein: a plurality of sliding grooves (16) are formed in the fixed plate (6), and the sliding grooves (16) are distributed in a divergent mode with the axis of the sealing tube (1) as the center; one end of the sliding groove (16) is communicated with a through hole in the middle of the fixed plate (6) for connecting rod movement, and the other end of the sliding groove extends to the corresponding swing rod (7) along the radial direction of the fixed plate (6).
7. The automatic control system for perpendicularity of a long auger drilling machine according to claim 1, wherein: the sealing tube (1) is filled with insulating sealing liquid (18).
8. The automatic control system for perpendicularity of a long auger drilling machine according to claim 1, wherein: the upper end face of the top plate (3) is provided with a level meter (19).
CN201810320166.XA 2018-04-11 2018-04-11 Automatic control system for perpendicularity of long spiral drilling machine Active CN108625843B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810320166.XA CN108625843B (en) 2018-04-11 2018-04-11 Automatic control system for perpendicularity of long spiral drilling machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810320166.XA CN108625843B (en) 2018-04-11 2018-04-11 Automatic control system for perpendicularity of long spiral drilling machine

Publications (2)

Publication Number Publication Date
CN108625843A CN108625843A (en) 2018-10-09
CN108625843B true CN108625843B (en) 2023-09-12

Family

ID=63705087

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810320166.XA Active CN108625843B (en) 2018-04-11 2018-04-11 Automatic control system for perpendicularity of long spiral drilling machine

Country Status (1)

Country Link
CN (1) CN108625843B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112857339A (en) * 2021-01-13 2021-05-28 广东普信项目管理有限公司 Engineering cost field mapping device for building
CN113322840A (en) * 2021-07-05 2021-08-31 昆山市交通航务工程有限公司 Construction method and equipment for bridge dismantling
CN114319332B (en) * 2021-12-03 2023-07-21 湖北华朔建设工程有限公司 High-pressure jet grouting pile device for reinforcing foundation and construction process

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB725923A (en) * 1952-10-28 1955-03-09 Svenska Diamantbergborrnings A Device for determining the inclination and direction of drill holes in the ground
USRE28694E (en) * 1973-11-23 1976-01-27 Fluidic clinometer control apparatus
US4793421A (en) * 1986-04-08 1988-12-27 Becor Western Inc. Programmed automatic drill control
US4861327A (en) * 1987-11-03 1989-08-29 Fuji Kikai Kogyo Co., Ltd. Zigzag folding apparatus for a form printing machine
FR2859750A1 (en) * 2003-09-15 2005-03-18 Cie Du Sol DRILLING SYSTEM WITH ROTATING HEAD
CN205591907U (en) * 2016-05-05 2016-09-21 中交第二航务工程局有限公司 Long auger drilling straightness early warning device that hangs down
CN205895168U (en) * 2016-07-25 2017-01-18 中建八局第三建设有限公司 Triaxial stirring stake drilling rod perpendicularity control device
CN207159821U (en) * 2017-06-30 2018-03-30 中交第二航务工程局有限公司 A kind of Bridge Erector front fulcrum structure
CN208203255U (en) * 2018-04-11 2018-12-07 中交第二航务工程局有限公司 A kind of long-spiral drilling machine verticality automatic control system

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100924260B1 (en) * 2008-12-08 2009-10-30 노익환 Inclination sesning apparatus and apparatus for controlling posture automatically using same

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB725923A (en) * 1952-10-28 1955-03-09 Svenska Diamantbergborrnings A Device for determining the inclination and direction of drill holes in the ground
USRE28694E (en) * 1973-11-23 1976-01-27 Fluidic clinometer control apparatus
US4793421A (en) * 1986-04-08 1988-12-27 Becor Western Inc. Programmed automatic drill control
US4861327A (en) * 1987-11-03 1989-08-29 Fuji Kikai Kogyo Co., Ltd. Zigzag folding apparatus for a form printing machine
FR2859750A1 (en) * 2003-09-15 2005-03-18 Cie Du Sol DRILLING SYSTEM WITH ROTATING HEAD
CN205591907U (en) * 2016-05-05 2016-09-21 中交第二航务工程局有限公司 Long auger drilling straightness early warning device that hangs down
CN205895168U (en) * 2016-07-25 2017-01-18 中建八局第三建设有限公司 Triaxial stirring stake drilling rod perpendicularity control device
CN207159821U (en) * 2017-06-30 2018-03-30 中交第二航务工程局有限公司 A kind of Bridge Erector front fulcrum structure
CN208203255U (en) * 2018-04-11 2018-12-07 中交第二航务工程局有限公司 A kind of long-spiral drilling machine verticality automatic control system

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
李宏安 ; 李梁 ; 梁俊峰 ; .止水帷幕搅喷桩在地铁车站施工中的应用研究.铁道建筑.2015,(02),82-84. *

Also Published As

Publication number Publication date
CN108625843A (en) 2018-10-09

Similar Documents

Publication Publication Date Title
CN108625843B (en) Automatic control system for perpendicularity of long spiral drilling machine
CN204594373U (en) A kind of lever measurement by magnification device
CN108168515A (en) A kind of gravity traction horizontal measurement apparatus for correcting
CN208203255U (en) A kind of long-spiral drilling machine verticality automatic control system
CN112785817A (en) Impeller type debris flow velocity and mud level monitoring and early warning device and application method
CN107270850B (en) Clamp spring groove height measuring device and measuring method
CN213201286U (en) Inclination formula material flow detection device
KR102067166B1 (en) Automatic control system of wave height gauge calibration
CN105783814B (en) A kind of automobile hub bearing outer ring axial direction detection system
CN112800380B (en) River section flow measuring device and method
CN104070481A (en) Floating location and protection mechanism
CN211696598U (en) Flood prevention early warning device for reservoir
CN108915672B (en) Dynamic monitoring system and device for construction quality of foundation pit shallow hole drilling
CN203083772U (en) Vertical balance alarm
CN113280779A (en) Bearing axial clearance measuring device
CN114910206B (en) In-situ monitoring and early warning device and method for debris flow impact force
CN207540542U (en) A kind of removable hydrometric cableway fish lead river bottom signal device
CN219244742U (en) Hydraulic engineering detects with quick velocity of flow water level measuring device
CN209603204U (en) High strain monitoring installs predetermined position mould with sensor
CN110346832B (en) Cascade device and underground measuring instrument
CN114184259B (en) River course rivers monitoring flood control system
US4563822A (en) Level device for masonry work
CN219641006U (en) Cantilever type multi-point clear canal flow measuring device
CN216508370U (en) Equipment for detecting railway construction clearance
CN210623114U (en) Adjustable installation device for measuring rotating speed of horizontal pump

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant