CN203259159U - Special downhole measuring point device - Google Patents
Special downhole measuring point device Download PDFInfo
- Publication number
- CN203259159U CN203259159U CN 201320272614 CN201320272614U CN203259159U CN 203259159 U CN203259159 U CN 203259159U CN 201320272614 CN201320272614 CN 201320272614 CN 201320272614 U CN201320272614 U CN 201320272614U CN 203259159 U CN203259159 U CN 203259159U
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- plumb bob
- special
- magnetic
- measuring point
- pull rod
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- Expired - Fee Related
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Abstract
The utility model relates to a special downhole measuring point device which comprises a special downhole measuring point, a magnetic suction pull rod and a magnetic suction suspension wire plumb bob. The special downhole measuring point device is characterized in that the special downhole measuring point can be in an iron nail type or a fixed disc type; the lower end of an iron nail in each of the two types of special downhole measuring points is manufactured as hemispheric nail heads and movably embedded into a center hole of a circular reflective sheet; a magnetic suction connecting jacket is manufactured on the top end of the magnetic suction pull rod, and the magnetic suction connecting jacket is internally provided with a pull rod magnetic head; a plumb bob magnetic head containing cavity in which the plumb bob magnet connecting jacket is contained is manufactured on the lower end of the magnetic suction pull rod; the plumb bob magnet connecting jacket is internally provided with a magnetic suction suspension wire plumb bob magnetic head; a plumb bob is tied on the lower end of a suspension wire positioned on the lower end of the plumb bob magnet connecting jacket. According to the device, the measuring point, the pull rod and the plumb bob are connected through magnetic suction, so that the convenience for disassembly and assembly and the height adjustment is achieved. The special downhole measuring point device disclosed by the utility model solves the problem that the process of tying and untying the plumb bob and adjusting the height of the plumb bob is complex under the condition that the downhole measuring point is positioned on a top plate, simplifies the operating procedure, improves the measuring accuracy and efficiency and reduces the labor intensity.
Description
Technical field
The utility model relates to the special-purpose point equipment in a kind of down-hole.
Background technology
The measurement point device is indispensable measurement annex in the engineering survey, in the existing underground engineering survey, mostly measuring point is with iron nail bolt line, metal cylinder center threading or buries the modes such as V shape iron silk bolt line to be located on the top board, during measurement, as measuring point staff can not and height, need to hang the messenger wire plumb bob by utility appliance such as ladders, carry out centring under point.
Summary of the invention
The purpose of the utility model technology provides the special-purpose point equipment of a kind of Novel down-hole, to solve old-fashioned measuring point in the down-hole or tunnel engineering when measuring, measuring point is in the situation on the top board, and the bolt plumb bob is cumbersome with the process of the process of taking off plumb bob and adjustment plumb bob height; And to point and the high automatically measurement total powerstation of instrument or when observing board and measuring, old-fashioned measuring point can't satisfy the measurement requirement on using laser; It is also relatively more difficult to seek measuring point under the dark surrounds of down-hole, the work efficiency that impact is measured and the problem of measuring accuracy.
The technical scheme of taking:
The special-purpose point equipment in down-hole comprises the special-purpose measuring point in down-hole, magnetic attraction pull rod, magnetic messenger wire plumb bob; It is characterized in that the special-purpose measuring point in down-hole is divided into iron nail type and fixing dish-type, the dome-type ailhead is all made in special-purpose measuring point iron nail lower end, two types down-hole, the movable embedding in the circular reflector plate center pit, but circular reflector plate free-falling is to the iron nail head position; The top of magnetic attraction pull rod is manufactured with magnetic and connects overcoat, and the pull bar magnetic head is installed in the cover, and the magnetic attraction pull rod lower end is manufactured with admits plumb bob magnet to connect the plumb bob magnetic head container cavity of overcoat; Plumb bob magnet connects installs magnetic messenger wire plumb bob magnetic head in the overcoat, plumb bob magnet connects the messenger wire lower end of overcoat lower end and fastens plumb bob.
Wherein the other end of the special-purpose dome-type ailhead in iron nail type down-hole is made the taper nail tip; Fixedly the special-purpose dome-type ailhead in the dish-type down-hole other end is shaped with one section screw thread, and iron nail is fixed in the shaft collar center screw by this section screw thread, and the kicker magnet sheet is housed on the shaft collar upper surface.
Wherein the lower surface of circular reflector plate posts the reflectance coating made from the retroreflective material, is mixed with fluorescent powder in the circular reflector plate.Magnetic attraction pull rod is made the multi-joint telescoping structure, and the body of rod lower end of magnetic attraction pull rod is set with insulation sleeve.
Described plumb bob magnet connects the cylindrical cavity that is shaped with in the overcoat for magnetic messenger wire plumb bob magnetic head is installed, and magnetic messenger wire plumb bob magnetic head is made the cylinder that adapts with cylindrical cavity, and plumb bob magnet connects overcoat lower end perforate and fastens messenger wire.The pull bar magnetic head overlaps when not using magnetic shielding cover.
Namely make in the manner described above the special-purpose point equipment in down-hole, during use, follow closely in the measuring point timber of squeezing on the top board surveying; Or shaft collar is gluing on the objects such as rock, steel support, reinforcing bar, the plumb bob adapter sleeve is inserted in the container cavity of pull bar lower end, because the magnetic action of the plumb bob magnetic head in the plumb bob adapter sleeve, the plumb bob of whole bottom also is suspended in the pull bar lower end.Hold insulation sleeve, pull bar is elongated can contact the position of surveying nail, the magnetic head on pull bar top will be adsorbed on the dome-type ailhead sphere centre point of surveying the nail lower end, and whole device naturally droops under the plumb bob Action of Gravity Field, has guaranteed to measure the requirement to a precision.Simultaneously, down-hole special-purpose measuring point has satisfied on the laser the requirement to measuring point of point and the high automatic measurer of instrument.Solved measuring point in the situation on the top board, the process that ties and take off plumb bob and adjustment plumb bob height is cumbersome; And to point and the high automatically measurement total powerstation of instrument or when observing board and measuring, old-fashioned measuring point can't satisfy the measurement requirement on using laser; It is also relatively more difficult to seek measuring point under the dark surrounds of down-hole, the work efficiency that impact is measured and the problem of measuring accuracy.
Description of drawings
Fig. 1 is the special-purpose point equipment structural representation in iron nail type down-hole.
Fig. 2 is the fixing special-purpose point equipment structural representation in dish-type down-hole.
Fig. 3 is fixing dish-type measuring point modular construction synoptic diagram.
Fig. 4 is pull bar magnetic head structure synoptic diagram.
Fig. 5 is plumb bob magnetic head and bar jointing structure synoptic diagram.
Fig. 6 is the reflector plate synoptic diagram.
Fig. 7 is magnetic insulation cover cross sectional shape figure.
The figure number explanation: the 1st, survey nail, the 2nd, circular reflector plate, the 3rd, dome-type ailhead, the 4th, magnet connects overcoat, the 5th, magnetic attraction pull rod, the 6th, insulation sleeve, the 7th, plumb bob magnet connects overcoat, the 8th, messenger wire, the 9th, plumb bob, the 10th, kicker magnet sheet, the 11st, shaft collar, the 12nd, reflectance coating, the 13rd, magnetic shielding cover, the 14th, pull bar magnetic head, the 15th, plumb bob magnetic head container cavity, the 16th, magnetic messenger wire plumb bob magnetic head.
Embodiment
The special-purpose point equipment in down-hole comprises the special-purpose measuring point in down-hole, magnetic attraction pull rod, magnetic messenger wire plumb bob.
With reference to Fig. 1,2,3,6, the special-purpose measuring point in down-hole is divided into iron nail type and fixing dish-type, dome-type ailhead 3 is all made in special-purpose measuring point iron nail lower end, two types down-hole, the movable embedding in circular reflector plate 2 center pits, but circular reflector plate 2 free-fallings are to semisphere iron nail head 3 positions, the other end of iron nail type down-hole special-purpose measuring point dome-type ailhead 3 is made the taper nail tip, is convenient to directly hammer into as common nail and does measuring point in the timber.Fixedly the special-purpose measuring point dome-type in dish-type down-hole ailhead 3 other end cars have one section screw thread, and iron nail is fixed in shaft collar 11 center screws by this section screw thread.On shaft collar 11 cemented surfaces kicker magnet sheet 10 is housed, measuring point can be adsorbed on when measuring point is installed that steel supports or reinforcing bar on, be convenient to that the glue solidifies.Be mixed with fluorescent powder in the circular reflector plate 2, be pasted with reflectance coating 12 on the lower surface reflecting surface, be convenient to reflect distance measuring signal, satisfy the instrument height, observe the accuracy requirement of high automatic measurer and be convenient to and under dark surrounds, seek measuring point.
With reference to Fig. 2,3,4,5,7, the top of magnetic attraction pull rod 5 is manufactured with pull bar magnet adapter sleeve 4, and pull bar magnetic head 14 is housed in the cover, is used for pull bar is adsorbed on 3 of down-hole special-purpose measuring point hemisphere sprigs; Magnetic attraction pull rod 5 lower ends are manufactured with the plumb bob magnetic head container cavity 15 of the magnetic messenger wire of admitting magnetic messenger wire plumb bob adapter sleeve 7 and make cylindrical; Magnetic attraction pull rod 5 is made the multi-joint telescoping structure, suit insulation sleeve 6 on the body of rod of magnetic attraction pull rod 5, prevent Danger Electric shock risk, height is in the not enough situation of magnetic attraction pull rod 5 length, can connect again a magnetic attraction pull rod 5, just can connect by magnetic force in the plumb bob magnetic head container cavity 15 of the magnet connection overcoat 4 insertion upper connecting rods of lower link; Pull bar magnetic head 14 overlaps when not using magnetic shielding cover 13.The upper end of the messenger wire 8 of magnetic messenger wire plumb bob is connected with plumb bob magnet and connects overcoat 7, and magnetic messenger wire plumb bob magnetic head 16 is installed in the cover, and plumb bob 9 is fastened in the lower end of messenger wire 8.Messenger wire 8 is fastened in the 7 lower end perforates of plumb bob adapter sleeve.
Namely make in the manner described above the special-purpose point equipment in down-hole, during use, the iron nail type is surveying in the nail 1 measuring point timber of squeezing on the top board; Fixedly dish-type then is that shaft collar 11 is sticked with glue on the objects such as rock, concrete, steel support, reinforcing bar, plumb bob adapter sleeve 7 is inserted in the container cavity 15 of pull bar 5 lower ends, because plumb bob magnet connects the magnetic action of the messenger wire plumb bob magnetic head 16 in the overcoat 7, the plumb bob of whole bottom also is suspended in magnetic attraction pull rod 5 lower ends.Hold insulation sleeve 6, magnetic attraction pull rod 5 is elongated the position of surveying nail 1 to contacting, the pull bar magnetic head 14 on magnetic attraction pull rod 5 tops will surveyed the dome-type ailhead 3 sphere centre point of following closely 1 lower end by automatic absorbing, whole device is under the plumb bob Action of Gravity Field, naturally droop, guaranteed to measure the requirement to a precision, solved measuring point in the situation on the top board, tied and take off plumb bob and adjust the cumbersome problem of plumb bob height process; Simultaneously, the special-purpose measuring point in down-hole solved old-fashioned measuring point can't satisfy high to point and instrument on the laser, observe high automatically measurement quasi-instrument to the problem of the specific (special) requirements of measuring point; Be mixed with fluorescent powder in the circular reflector plate 2, be pasted with reflectance coating 12 on the lower surface reflecting surface, solved and sought measuring point and laser under the dark surrounds of down-hole to some difficulty relatively, the work efficiency that impact is measured and the problem of measuring accuracy.
Claims (6)
1. the special-purpose point equipment in down-hole comprises the special-purpose measuring point in down-hole, magnetic attraction pull rod, magnetic messenger wire plumb bob; It is characterized in that the special-purpose measuring point in down-hole is divided into iron nail type and fixing dish-type, dome-type ailhead (3) is all made in special-purpose measuring point iron nail (1) lower end, two types down-hole, the movable embedding in circular reflector plate (2) center pit; The top of magnetic attraction pull rod (5) is manufactured with magnetic and connects overcoat (4), and pull bar magnetic head (14) is installed in the cover, and magnetic attraction pull rod (5) lower end is manufactured with admits plumb bob magnet to connect the plumb bob magnetic head container cavity (15) of overcoat (7); Plumb bob magnet connects installs magnetic messenger wire plumb bob magnetic head (16) in the overcoat (7), plumb bob magnet connects messenger wire (8) lower end of overcoat (7) lower end and fastens plumb bob (9).
2. the special-purpose point equipment in down-hole according to claim 1 is characterized in that the other end of the special-purpose dome-type ailhead in iron nail type down-hole (3) is made the taper nail tip; Fixedly the special-purpose dome-type ailhead in the dish-type down-hole other end is shaped with one section screw thread, and iron nail is fixed in shaft collar (11) center screw by this section screw thread, on shaft collar (11) upper surface kicker magnet sheet (10) is housed.
3. the special-purpose point equipment in down-hole according to claim 1 is characterized in that the lower surface of circular reflector plate (2) posts the reflectance coating (12) made from the retroreflective material, and circular reflector plate is mixed with fluorescent powder in (2).
4. the special-purpose point equipment in down-hole according to claim 1 is characterized in that magnetic attraction pull rod (5) makes the multi-joint telescoping structure, and the body of rod lower end of magnetic attraction pull rod (5) is set with insulation sleeve (6).
5. the special-purpose point equipment in down-hole according to claim 1, it is characterized in that plumb bob magnet connects the cylindrical cavity that is shaped with in the overcoat (7) for installation magnetic messenger wire plumb bob magnetic head (16), magnetic messenger wire plumb bob magnetic head (16) is made the cylinder that adapts with cylindrical cavity, and plumb bob magnet connects overcoat (7) lower end perforate and fastens messenger wire (8).
6. the special-purpose point equipment in down-hole according to claim 1 is characterized in that pull bar magnetic head (14) overlaps magnetic shielding cover (13) is arranged when not using.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320272614 CN203259159U (en) | 2013-05-20 | 2013-05-20 | Special downhole measuring point device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320272614 CN203259159U (en) | 2013-05-20 | 2013-05-20 | Special downhole measuring point device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203259159U true CN203259159U (en) | 2013-10-30 |
Family
ID=49471715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320272614 Expired - Fee Related CN203259159U (en) | 2013-05-20 | 2013-05-20 | Special downhole measuring point device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203259159U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106441248A (en) * | 2016-11-09 | 2017-02-22 | 沪东中华造船(集团)有限公司 | Auxiliary tool convenient for precision measurement |
| CN106546220A (en) * | 2016-12-09 | 2017-03-29 | 长安大学 | A kind of quick measurement tunnel arch top settlement device |
-
2013
- 2013-05-20 CN CN 201320272614 patent/CN203259159U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106441248A (en) * | 2016-11-09 | 2017-02-22 | 沪东中华造船(集团)有限公司 | Auxiliary tool convenient for precision measurement |
| CN106546220A (en) * | 2016-12-09 | 2017-03-29 | 长安大学 | A kind of quick measurement tunnel arch top settlement device |
| CN106546220B (en) * | 2016-12-09 | 2022-10-25 | 长安大学 | Device for rapidly measuring vault subsidence of tunnel |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131030 Termination date: 20160520 |