CN2273011Y

CN2273011Y - Double compensation level conforming device

Info

Publication number: CN2273011Y
Application number: CN 96224037
Authority: CN
Inventors: 逄海水
Original assignee: Individual
Current assignee: Individual
Priority date: 1996-11-13
Filing date: 1996-11-13
Publication date: 1998-01-21
Anticipated expiration: 2006-11-13

Abstract

The utility model provides a double-compensation level conforming device for engineering measurement, which comprises the improvement on an instrument body, a foot rest supporter and a scale measurement body. The horizontal arrangement of the existing level tube is changed into the vertical arrangement, and the upper and the lower surfaces of an observation telescope are provided with level tubes, and the axes of the level tubes are parallel to the aiming axis of the observation telescope. The present spirit levels, theodolites and plane tables can be modified to be especially suitable for the dotting operation of two points forming one line in the engineering measurement. Because the utility model has the self-inspection function, the measurement accuracy and the system error are reduced. The matched foot rest and the scale are modified to be convenient to carry and use, the portable length of the foot rest and the scale is shortened greatly, and the measurement accuracy is improved.

Description

Double compensation contact level device

The utility model relates to a kind of measure transit, spirit-leveling instrument and the matching used foot rest thereof that geomorphological features uses, the improvement of scale, is particularly suitable for the repacking of engineering survey instrument of surveying and mapping.

Known to applicant's engineering mapping practice for many years: the work that needs accurate certain level of measuring and calculating or vertical angle in the engineering construction more is that the cultellation of two one lines is measured seldom, is to lose more than gain with the transit of costliness; And existing spirit-leveling instrument is because the end low dip causes the increase of systematic error and frequent use to move, the off-gage phenomenon ubiquity that vibrations cause, even the suspention that the self leveling formula adopts compensation (it is reported that the round measurement of 1Km can be overproof 30 times) also of no avail, existing single contact level does not possess the function of timely self check, and little incline meet observe with eyepiece be horizontal direction setting, incline from run-home-concentration-little meet-reading-examination the sequence of operations process such as meets, on necessary, down, a left side, gyrate and read a number just now in the right side, from the angle of ergonomics, be unscientific; In addition the common defects of matching used foot rest (instrument frame) be long, stupid, difficulty is carried, must be pickaback, especially bring inconvenience to field geology exploration, geodetic surveying etc., also there are length in matching used line rod, scale (levelling pole) and carry problem, observation accurate reading problem during poor visibility and the inconvenience of need when setting-out at the bottom of the chi marks, though levelling pole has Sopwith staff, but still exist weight to reach precision problem greatly.

The purpose of this utility model is intended to overcome above-mentioned the deficiencies in the prior art part, and it is low to manufacture and design a kind of cost, the precision height, can self check, portable band, double compensation contact level device practical and the tool versatility.

The purpose of this utility model is such realization: comprise that instrument of surveying and mapping main body and foot rest hold body, scale amount body, upper and lower all setting of scope level tube is installed, the level tube tubular axis is parallel to the telescope collimation axis.

The installation level tube is set on the scope vertical direction.

The sliding position frame that holds the body foot rest is provided with on sliding position frame, the sliding position frame hook-type self-locking pendulum is installed, twitching the slide plate that cooperates with sliding position frame axle is connected by folding clamp with flap, two slide bars on the folding clamp dock with slide block by the chute on rotating plate and the clamp respectively, rotating plate and clamp by the fixed orifice on it with screw with slide plate and the flap part that links into an integrated entity.

Self-locking pendulum and fixture block each at least one.

The amount body scale that bottom tool hinged joint, mid point are connected by folding clamp, one side have numeral delineation levelling pole, and another side is that wrong look is pieced together line mark post chi, had center line on it and to Tipping Center, the equal coated with luminescent material in two sides.

The utility model makes a whole set of instrument easy to carry owing to taked above-mentioned technological improvement measure, and precision improves (self check in time), cost low (as be installed on the transit can constitute transit level), and the tool versatility, easy to operate, practical or the like advantage.

Describe in detail below in conjunction with accompanying drawing.

Fig. 1 is the utility model overhead list contact level front view.

Fig. 2 is the two contact level front views of the utility model.

Fig. 3 is the three-dimensional sketch of Fig. 1.

Fig. 4 is the three-dimensional sketch of Fig. 2.

Fig. 5 is two contact levels and transit (J ₂Or J ₆) mounting combination sketch.

Fig. 6 is two contact levels and transit (DS--J or DZ--J) mounting combination sketch.

Fig. 7 is two contact levels and surveyor's table combination sketch.

Fig. 8 is two contact level surveyor's table instrument heads and spirit-leveling instrument mounting combination sketch.

Fig. 9 is two contact level theodolite with compass combination sketches.

Figure 10 holds body foot rest synoptic diagram.

Figure 11 is folding clamp (a 17) structure enlarged drawing among Figure 10.

Figure 12 is that Figure 11 assembles synoptic diagram.

Figure 13 amount of being body scale front view.

Figure 14 is the side view of Figure 13.

Figure 15 is the rear view of Figure 13.

Code name implication among the figure: 1 pedestal, 2 supporting plates, 3 telescopes, 4 contact levels, 5 focusing knobs, 6 vertical brakings, 7 vertical fine motion 8 compass 9 horizontal fine motion 10 level brakings 11 a sliding frame 12 slide plates 13 upper ledges 14 lower frames 15 a sliding frame 16 self-lockings pendulum 17 folding 23 grooves of clamp 18 flap 19 rotating plates, 20 clamp 21 slide bars, 22 fixture blocks, 24 fixed orifices, 25 push buttons, 26

slide openings

27,28 divide chi 29 hinged joints 30 pairs of Tipping Center 31 center line up and down

Embodiment one: with reference to Fig. 1, Fig. 3, the horizontal that the prior art contact level is observed is that vertical (or claiming overhead) is provided with installation (installation is connected to prior art), be about to be provided with on the telescope 3 contact level pipe 4 is installed, make that meeting observation observes on same vertical direction, to weaken observation person's fatigue strength with eyepiece.Between centers relation after the transformation of the way is constant, and promptly still be: the circular bubble axle of level tube is parallel to the vertical pivot of instrument: L _fL _f//VV, the graticule cross horizontal hair in the parallel telescopical collimation axis of level tube tubular axis: the LL//CC, telescope is perpendicular to the vertical pivot of instrument.

Embodiment two: with reference to Fig. 2, Fig. 4, single level of prior art is met for two levels are two, make that the precision state of instrument is checked at any time, that is: self check.Promptly be provided with on the above and below of scope 3 two level tubes 4 are installed, its level tube axis is parallel with the telescope collimation axis, i.e. LL//CC//L ' L, and other between centers concerns with embodiment one.When with the passing of time instrument uses or shaken and the parallel relation that causes between level tube axis and telescopical collimation axis is destroyed, when also promptly forming bigger pitch angle, then can not meet synchronously and can be found at any time by two level tubes, overproof and cause rejection and waste and avoided timely.

Embodiment three: with reference to Fig. 5, Fig. 6, install two level tubes 4 additional in that the scope 3 of transit is upper and lower, constitute two contact levels, make transit increase high-precision measurement of the level function.When telescope 3 goes to horizontal level (the self leveling formula has promptly arrived the scope of automatic compensation), locking vertical braking 6, by vertical fine motion 7, the two level tubes 4 of center rotation telescope 3 fine motions meet to two, and then a high-precision collimation axis promptly goes out.The rotation fine motion of this center meets, and it has changed the drawback that the little systematic error that caused of inclining of the end points of prior art spirit-leveling instrument increases, and reduces and prevents systematic error.In like manner, the telescope instrument head that directly replaces transit with the instrument head of the self leveling formula spirit-leveling instrument of being with compensator, also can reach the multi-functional effect of longitude and latitude level, the most easy mode be with the telescope of spirit-leveling instrument (band compensation) from former scale pedestal add frame rise (the same prior art of syndeton) then the spirit-leveling instrument telescope on this former meaning just not only can rotate around vertical axes, but also can be, thereby has bigness scale level and vertical angle master function with level observation around the rotation of its transverse axis.

Embodiment four: with reference to Fig. 7, Fig. 8, install two level tubes additional on surveyor's table, promptly load onto two level tubes 4 in 3 upper and lower adding of scope, constitute double compensation and meet surveyor's table, make it have self-checking function, thereby improve mapping precision.Particularly the instrument head of described this surveyor's table is connected with the spirit-leveling instrument pedestal of band width dish and is combined into an economical and practical transit level with double compensation contact level, except that the function that possesses former surveyor's table, and can carry out high-precision measurement of the level, can carry out the cultellation operation of two one lines again, its cost is far below implementing three described J ₆And J ₂Change a social system novelly, practicality is bigger.

Embodiment five: with reference to Fig. 9, the scope 3 upper and lower pair level tubes 4 that install additional at theodolite with compass make its tool self-checking function.

Embodiment six, with reference to Figure 10, Figure 11, Figure 12, hold body, and what promptly foot rest or deserve to be called was stated instrument holds body foot rest (instrument frame).Change system into the folding put-hanging that extracts by original extraction-type, the length reduction that makes the instrument frame portably uses very convenient more than 1/2.The sliding position frame 11 that holds the body foot rest is provided with sliding position frame 15, on the frame 15 of sliding position hook-type self-locking pendulum 16 is installed, twitching the slide plate 12 and the flap 18 that cooperate with sliding position frame 11 is flexibly connected by folding clamp 17, two connection slide bars 21 on the folding clamp 17 (being integral piece with push button 25) chute 23 by rotating plate 19 and clamp 20 respectively dock with fixture block 22 and are connected, rotating plate 19 and clamp 20 (being equivalent to two loose-leaves) by the 26 usefulness sunk screws of the fixed orifice on it with slide plate 12 and flap 18 part that links into an integrated entity.When push button 25 advanced left, fixture block 22 promptly proceeded to the piece groove 23 in the rotating plate 19, and this moment, clamp 20 just can revolve axle 00 ' turn back around it; And when push button 25 advances to the right, fixture blocks 22 in the rotating plate 19 just enter in the piece groove 23 in the clamp 20, at piece groove 23 joints of rotating plate 19 and clamp 20, fixture block 22 just makes them each other relative turning back can not take place like this, has promptly reached the purpose of folding or support skid 12 and flap 18.22 at least one of fixture blocks also can be two fixture blocks, four fixture blocks etc., and difference is the number of fixture block, also promptly connects the quantity of seam, can decide according to the intensity of need usefulness.When mentioning self-locking when putting 16, with slide plate 12 liftings when put down certain position again, sliding position frame 11 certainly leads to a downward slip under its action of gravity, self-locking pendulum 16 is clamped on slide plate 12 on the frame 11 of sliding position by the relative slip of sliding position frame 11 and slide plate 12 just, reach self-locking action, also can adopt the double pendulum self-locking, but at least one self-locking pendulum 16.

Embodiment seven: with reference to Figure 13, Figure 14, Figure 15, the amount body supporting with transit is the centering mark post, and the amount body supporting with spirit-leveling instrument is levelling pole, for convenient the use alleviates homework burden, bar, chi is integrated.The concrete practice is that the one side (main looking) at scale delineates numeral delineation chi by the levelling pole standard, and another side (backsight) adopts wrong look to piece together line, promptly adopts the mode of wrong look, splices center line 31 and to Tipping Center 30, makes it more clear, accurate.Going to the bottom at scale is provided with hinged joint 29, the outer setting-out of chi but prolong at the bottom of the convenient ruler.In scale appearance spraying or coat luminescent material (as reflectorised paint or luminous paint etc.), make when the indoor absolute altitude line of testing or field work weather are dark easier clear observation.For being divided into upper and lower two minutes chis (27,28), adopt aforementioned folding clamp 17 to flexibly connect the scale people at the mid point of chi, the time spent folding, scale is shortened, be easy to carry.Decision divides chi long and length overall (also can be divided into more piece) as required.

The applicant is not changing under the existing instrument of surveying and mapping inner structure prerequisite according to above-mentioned technical solution, has reequiped several spirit-leveling instruments, transit, surveyor's table and matching used body and the amount body of holding thereof, and on probation through testing, effect spy is good.

Claims

1. double compensation contact level device comprises that instrument of surveying and mapping main body and foot rest hold body and the supporting use of scale amount body, is characterized in that: upper and lower all setting of scope is equipped with level tube, and the level tube tubular axis is parallel to the collimation axis of scope.

2. double compensation contact level device according to claim 1 is characterized in that: be provided with on the scope vertical direction level tube is installed.

3. double compensation contact level device according to claim 1, it is characterized in that: the foot rest of instrument holds body, its sliding position frame is provided with sliding position frame, on the frame of sliding position hook-type self-locking pendulum is installed, twitching the slide plate that cooperates with sliding position frame is connected by folding clamp with flap, two connection slide bars on the folding clamp dock with fixture block by the chute on rotating plate and the clamp respectively, rotating plate and clamp by the fixed orifice on it with screw with slide plate and the flap part that links into an integrated entity.

4. double compensation contact level device according to claim 3 is characterized in that: described self-locking pendulum and fixture block each at least one.

5. double compensation contact level device according to claim 1, it is characterized in that: the scale amount body of instrument, its bottom tool hinged joint, mid point are connected by folding clamp, one side is a numeral portrayal levelling pole, another side is that wrong look is pieced together line mark post chi, had center line on it and to Tipping Center, two chis surface is coated with luminescent material all.