CN204388838U - A kind of high-precision optical spirit-leveling instrument - Google Patents
A kind of high-precision optical spirit-leveling instrument Download PDFInfo
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- CN204388838U CN204388838U CN201520043312.0U CN201520043312U CN204388838U CN 204388838 U CN204388838 U CN 204388838U CN 201520043312 U CN201520043312 U CN 201520043312U CN 204388838 U CN204388838 U CN 204388838U
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- spirit
- leveling instrument
- pedestal
- sleeve
- adjustable stem
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Abstract
The utility model discloses a kind of high-precision optical spirit-leveling instrument, comprise pedestal, be rotatably connected on the spirit-leveling instrument body of pedestal upper surface, the connecting bottom board of pedestal bottom is connected to by adjusting bolt, telescope is provided with in spirit-leveling instrument body, spirit-leveling instrument body is also provided with the pipe level of lateral arrangement and micro-spiral that inclines, before pedestal, rear side is threaded along the axially extended distance rod of collimation axis coaxially, the outer end of distance rod is provided with adjustable stem straight up, adjustable stem is provided with transparent senior executive such as grade vertically on the sidewall of spirit-leveling instrument body, waiting bottom senior executive on two distance rods is connected by pipeline, Deng being filled with liquid in senior executive, pipe shaft Deng senior executive is provided with the calibrated scale that can show liquid level.Of the present utility model simple and reliable for structure, the depth of parallelism of collimation axis not easily by the impact of survey crew human factor and spirit-leveling instrument manufacture, assembly precision, thus can make the telescope collimation axis of spirit-leveling instrument operationally have higher levelness.
Description
Technical field
The utility model relates to a kind of spirit-leveling instrument, especially relates to a kind of high-precision optical level.
Background technology
Leveling device is mainly used in the engineerings such as building, measure the difference in height between certain some position height or 2 positions.Existing optics leveling device is normally made up of a spirit-leveling instrument and two levelling staffs, spirit-leveling instrument mainly comprises a body being connected to pedestal on tripod, being rotatably connected on pedestal by a vertical axes, be provided with by object lens, eyepiece, the telescope that forms optical lens and graticule etc. in body, body is also provided with corresponding level-off structure, telescopical collimation axis is adjusted to horizontality when measuring.Level-off structure mainly comprises being arranged on and body is used to refer to the whether vertical circular bubble of vertical pivot, is used to refer to collimation axis whether level the pipe level parallel with collimation axis and the micro-spiral that inclines for accurate adjustment collimation axis.When needing to measure, first two levelling staffs are positioned over ground two measurement points respectively vertically, and then spirit-leveling instrument are placed on the centre position between two measurement points.Then horizontality is adjusted to by circular bubble by the beginning of spirit-leveling instrument, then the bubble regime of observation tube level, and by micro-spiral that inclines, the collimation axis of spirit-leveling instrument is adjusted to horizontality, like this, spirit-leveling instrument can start for measuring.Then sight with telescope and read the absolute altitude numerical value of two levelling staffs, the difference of institute's mark height numerical value is the difference in height between two measurement points, if the elevation of one of them measurement point known, can be calculated the height of another measurement point by difference in height.Due to when giving level meter level-off, whether the bubble in circular bubble and pipe level between two parties can by the angle effects of survey crew, and bubble itself has a certain size shape, the comparison between the scale on itself and circular bubble, pipe level also can be subject to the man's activity of survey crew experience.Particularly, originally when manufacture assembling, also certain error can be there is in spirit-leveling instrument, that is, a parallelism error can be there is between telescopical collimation axis and pipe level, make spirit-leveling instrument when the equal reveal competence of circular bubble, pipe level, still may there is larger horizontal gradient error in telescopical collimation axis, thus affect measuring accuracy.
Utility model content
The purpose of this utility model easily produces compared with big error when level-off thus the problem affecting spirit-leveling instrument measuring accuracy to solve telescopical collimation axis existing for existing optical level, a kind of high-precision optical spirit-leveling instrument is provided, it is not only simple and reliable for structure, and the telescope collimation axis of spirit-leveling instrument can be made operationally to have higher levelness, and simultaneously the depth of parallelism of collimation axis is not easily by the impact of survey crew human factor and spirit-leveling instrument manufacture, assembly precision.
To achieve these goals, the utility model is by the following technical solutions:
A kind of high-precision optical spirit-leveling instrument, comprise pedestal, by being rotatably connected on the spirit-leveling instrument body of pedestal upper surface perpendicular to the vertical axes of pedestal upper surface, the connecting bottom board of pedestal bottom is connected to by adjusting bolt, telescope is provided with in spirit-leveling instrument body, spirit-leveling instrument body is also provided with pipe level and micro-spiral that inclines, described pipe level lateral arrangement perpendicular to telescopical collimation axis on spirit-leveling instrument body, before pedestal, rear side is threaded along the axially extended distance rod of telescopical collimation axis respectively, before pedestal, the distance rod of rear side is coaxially arranged, the outer end of distance rod is provided with adjustable stem straight up, adjustable stem is provided with transparent senior executive such as grade vertically on the sidewall of spirit-leveling instrument body, waiting bottom senior executive on two distance rods is connected by pipeline, Deng being filled with liquid in senior executive, pipe shaft Deng senior executive is provided with the calibrated scale that can show liquid level.
The utility model arranges distance rod respectively in the both sides, front and back of pedestal, and adjustable stem is set in the end of distance rod, during use, we can first utilize the pipe level of lateral arrangement by adjustment adjusting bolt, make spirit-leveling instrument body maintenance level in the lateral direction, now before and after pedestal, the liquid level in senior executive that waits of both sides remains on same position, and then telescope sighted on the adjustable stem of front side etc. calibrated scale on senior executive, by the left comparison of reading data of liquid level in these reading data and these senior executives, the first difference of collimation axis and liquid level can be obtained; Then spirit-leveling instrument body is rotated 180 degree, the calibrated scale of the senior executive such as grade on the adjustable stem making telescope sight on rear side of pedestal, and the second difference between the liquid level obtaining the senior executive such as collimation axis and rear side according to preceding method.When collimation axis has lateral error, there is a deviate after between above-mentioned first difference and the second Chen Zhi, is now the micro-spiral that inclines of adjustable, until the first difference is equal with the second difference, namely represents that collimation axis is in horizontality.Due to the liquid level that the horizontal reference adjusting collimation axis in the utility model is in the senior executives such as the front and back be interconnected, and the liquid level in the senior executives such as front and back can not by the impact of the extraneous factors such as temperature environment, the collimation axis bar horizontal gradient error that existing spirit-leveling instrument causes due to the impact of change on the accuracy of pipe level of the external conditions such as the parallelism error between the telescope collimation axis existing when making and installation itself and pipe level and temperature therefore can be avoided completely.It should be noted that, the utility model is adjusted by the pipe level of transverse direction and determines the levelness of left and right directions, then by former and later two etc. senior executive determine before and after longitudinally on levelness.And existing spirit-leveling instrument is tentatively adjusted by a circular bubble and determines levelness, levelness longitudinal before and after finally being determined by pipe level.Need to consider simultaneously and adjust the horizontal and vertical depth of parallelism when adjusting levelness owing to utilizing circular bubble, therefore loaded down with trivial details, the inefficiency of its set-up procedure.Levelness is then divided into the levelness of horizontal and vertical both direction to be adjusted respectively by the utility model, is therefore conducive to simplifying set-up procedure, increases work efficiency.
As preferably, the described liquid level of senior executive that waits is provided with the floating cylinder that can fluctuate, and the periphery of the cylinder that floats is provided with reference graduation around ground.
The reference graduation that the periphery pressed on ring winding of floating cylinder is put, is conducive to the height accurately observing liquid level, and then can improves the levelness of collimation axis.
As preferably, the outer end of described distance rod is provided with adjustable stem support, the top of adjustable stem support is provided with guide cylinder, the bottom of adjustable stem support is provided with the adjusting cylinders coaxial with guide cylinder, the upper end of described adjustable stem is provided with the guide pole fitted in guide cylinder, the lower end of adjustable stem is connected with the piston rod of adjusting cylinders, the cylinder body of adjusting cylinders bottom is led to by draft tube and an airbags, socket back-moving spring is on the piston rod provided with in the cylinder body on adjusting cylinders top, draft tube is provided with first retaining valve that can circulate in cylinder body from air bag, draft tube between air bag and the first retaining valve also connects one outside air can be made to enter the second retaining valve in draft tube by pipeline is other, draft tube between the cylinder body and the first retaining valve of adjusting cylinders then connects a manual vent valve by pipeline is other.
When our extruding gasbag, air in air bag enters in adjusting cylinders by the first retaining valve, the piston rod of such adjusting cylinders can promote adjustable stem and rise with the height adjusting adjustable stem, thus make the calibrated scale shown by liquid level in the senior executive such as grade of the adjustable stem of pedestal both sides identical, thus be conducive to the water transfer Pingdu program simplifying collimation axis.
As preferably, before described pedestal, rear side is respectively equipped with sleeve, the lateral surface of sleeve is provided with external thread, distance rod and pedestal connect one end and are provided with external diameter and the consistent connecting stud of sleeve external diameter, connecting stud is contrary with the externally threaded rotation direction of sleeve, the lateral surface of connecting stud is provided with lock sleeve, lock sleeve one end is threaded with connecting stud, the other end is threaded with sleeve, the end of connecting stud is provided with the connection-peg fitted in sleeve, the end of connection-peg is against the bottom surface of sleeve, the sidewall of connection-peg is provided with axial draw-in groove, the madial wall of sleeve is provided with the tommy of screens in draw-in groove.
When we are by connection-peg alignment sleeve retainer, lock sleeve engages with connecting stud, sleeve respectively, now rotation lock cover, because connecting stud is contrary with the externally threaded rotation direction of sleeve, therefore, connecting stud and sleeve are threaded in lock sleeve close to each other simultaneously, and now connection-peg is moved merely vertically by the guide effect of draw-in groove and tommy, until the end face of connection-peg is against the bottom surface of sleeve, thus distance rod is threaded on pedestal.
Therefore, the utility model has following beneficial effect: simple and reliable for structure, the depth of parallelism of collimation axis not easily by the impact of survey crew human factor and spirit-leveling instrument manufacture, assembly precision, thus can make the telescope collimation axis of spirit-leveling instrument operationally have higher levelness.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of the present utility model.
Fig. 2 is the syndeton schematic diagram of distance rod and pedestal.
Fig. 3 is the structural representation of adjustable stem.
Fig. 4 is the syndeton schematic diagram of adjusting cylinders and air bag.
In figure: 1, pedestal 11, sleeve 111, tommy 2, spirit-leveling instrument body 3, connecting bottom board 4, pipe level 5, micro-spiral 6 that inclines, distance rod 61, connecting stud 63, adjustable stem support 631, guide cylinder 64, adjusting cylinders 65, connection-peg 651, draw-in groove 7, lock sleeve 71, stripper loop 8, adjustable stem 81, etc. senior executive 82, float cylinder 83, guide pole 9, air bag 91, draft tube 92, first retaining valve 93, second retaining valve 94, vent valve.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the utility model is further described.
As shown in Figure 1, a kind of high-precision optical spirit-leveling instrument, comprise pedestal 1, by being rotatably connected on the spirit-leveling instrument body 2 of pedestal upper surface perpendicular to the vertical axes of pedestal upper surface, being connected to the connecting bottom board 3 of pedestal bottom by adjusting bolt, telescope for measuring is set in spirit-leveling instrument body, spirit-leveling instrument rear body horizontally set one is for the pipe level 4 of initial adjustment, pipe level, perpendicular to telescopical collimation axis, spirit-leveling instrument body also needs arrange a micro-spiral 5 that inclines for accurate adjustment.In addition, we also need arrange the axially extended distance rod 6 along telescopical collimation axis respectively in the forward and backward side of pedestal, the distance rod of the forward and backward side of pedestal is coaxially arranged.An adjustable stem 8 is straight up set in the upside of distance rod front end, adjustable stem is flat rod, adjustable stem arranges vertical groove in the middle of the sidewall of spirit-leveling instrument body, transparent senior executive 81 such as grade is embedded in groove, waiting bottom senior executive on two distance rods is connected by plastic flexible pipe, Deng filling red liquid in senior executive, wait the calibrated scale pipe shaft of senior executive being arranged and can show liquid level.
Distance rod of the present utility model can be threaded connection with on pedestal, so that dismounting.Particularly, as shown in Figure 2, we can arrange a circular sleeve 11 respectively in the forward and backward side of pedestal, the axis of sleeve parallels with collimation axis, and the lateral surface of sleeve arranges the external thread of dextrorotation.Correspondingly, be connected one end at distance rod with pedestal and arrange a connecting stud 61, the external diameter of connecting stud is consistent with the external diameter of sleeve, and the external thread being arranged on connecting stud lateral surface is left-hand thread (LHT).In addition, we also need arrange the connection-peg 65 with sleeve madial wall adaptation in the end of connecting stud, the sidewall of connection-peg is arranged axial draw-in groove 651, the madial wall of sleeve end is arranged a tommy 111.Be connected by a lock sleeve 7 between connecting stud with sleeve, the madial wall centre position of lock sleeve is wholely set inwardly protruded stripper loop 71, thus lock sleeve is separated into two parts, the inwall being positioned at stripper loop both sides in lock sleeve arranges left-handed internal thread and the internal thread of dextrorotation respectively.
When we need distance rod to be connected on pedestal, can first by the connection-peg alignment sleeve retainer on distance rod, lock sleeve is placed between connection-peg and sleeve simultaneously, lock sleeve one end engages with sleeve, the other end engages with connecting stud, now the connection-peg of connecting stud end is then positioned at lock sleeve, the end then alignment sleeve retainer endoporus of connection-peg, the tommy of the draw-in groove of connection-peg sidewall then alignment sleeve retainer madial wall.Then rotation lock cover, because connecting stud is contrary with the externally threaded rotation direction of sleeve, therefore, connecting stud and sleeve are threaded in lock sleeve close to each other simultaneously, and the tommy of draw-in groove then enters in the draw-in groove of connection-peg, thus connection-peg can be stoped to rotate.Along with the rotation of lock sleeve, connection-peg enters in sleeve vertically, until the end face of connection-peg is resisted against the bottom surface of sleeve tightly, thus is reliably threaded on pedestal by distance rod.When needs dismounting distance rod, oppositely rotation lock is only needed to overlap.Rely on the effect of tommy and draw-in groove, distance rod can be made accurately to locate, and then make the adjustable stem keeping parallelism of pedestal both sides, to guarantee the depth of parallelism Adjustment precision of collimation axis.
For the ease of the liquid level in the senior executives such as observation, as shown in Figure 3, we can arrange columniform floating cylinder 82 on the liquid level waiting senior executive, float cylinder periphery on arrange one around reference graduation, reference graduation can be arranged to redness, thus can calibrated scale on the senior executive such as clear accurately comparison, accurately to read liquid level.
It should be noted that, wait the upper end of senior executive to open, thus the lifting being convenient to liquid in pipe is floated, we are when needs are measured, can by liquid by waiting in the senior executives such as the opening injection of senior executive upper end.In addition, after completing the accurate adjustment program of levelness, we should remove both sides distance rod before and after pedestal in time, so that spirit-leveling instrument starts the measurement to needing measurement point.
Connecting bottom board in use, first can be connected to for tripod that is fixing and that support, then adjust the adjusting bolt below pedestal, make the bubble in circular bubble occupy centre position, now namely complete the first of levelness and debug by the utility model.Then the senior executive such as grade on the adjustable stem of front side sighted by telescope by us, and read corresponding calibrated scale value, calibrated scale value in this calibrated scale value and these senior executives shown by liquid level is compared, the first difference of the contour intraluminal fluid face height of collimation axis and front side can be obtained; Then spirit-leveling instrument body is rotated 180 degree, the adjustable stem making telescope sight on rear side of pedestal waits senior executive, and read corresponding calibrated scale value, calibrated scale value shown by the contour intraluminal fluid face of this calibrated scale value and rear side is compared, the second difference of the contour intraluminal fluid face height of collimation axis and rear side can be obtained.Because the liquid in the senior executives such as front and back is communicated with, therefore its liquid level is completely the same, when collimation axis is in horizontality, above-mentioned first difference and the second difference should be completely the same, otherwise, if inconsistent, then fine-tuning micro-spiral that inclines, and then observe and record the first difference and the second difference, until first, second difference is identical, accurate adjustment program can be completed, make collimation axis keep horizontality.Certainly, the distance rod of front and back preferably can be arranged to the length of one meter, so that the calculating of collimation axis parallelism error and adjustment.
For the ease of observing and calculating the first difference and the second difference, we can arrange corresponding adjustable stem height regulating mechanism, by adjusting the height of adjustable stem, make the calibrated scale value shown by liquid level in senior executive that waits on the adjustable stem of pedestal both sides keep identical.Particularly, as shown in Figure 1, we can arrange an adjustable stem support 63 in the outer end of distance rod, the top of adjustable stem support arranges a vertical guide cylinder 631, the bottom of adjustable stem support then arranges the adjusting cylinders 64 coaxial with guide cylinder, and the upper end of adjustable stem arranges guide pole 83, and guide pole fits in guide cylinder, the lower end of adjustable stem is then connected with the piston rod of adjusting cylinders, thus drives adjustable stem lifting by adjusting cylinders.In addition, as shown in Figure 4, the air bag 9 that the cylinder body of adjusting cylinders bottom is made by draft tube 91 and a rubber is connected, socket back-moving spring (not shown) is on the piston rod set in the cylinder body on adjusting cylinders top, draft tube arranges first retaining valve 92 that can circulate in cylinder body from air bag, draft tube between air bag and the first retaining valve also connects one outside air can be made to enter the second retaining valve 93 in draft tube by pipeline is other, draft tube between the cylinder body and the first retaining valve of adjusting cylinders then connects a manual vent valve 94 by pipeline is other.Like this, when we need the adjustable stem of lifting side, the air bag be connected with the adjusting cylinders of this adjustable stem lower end can be extruded, air pressure in air bag rises, thus enter in adjusting cylinders by the first retaining valve, second retaining valve then can stop air to leak, and the piston rod of adjusting cylinders can promote adjustable stem and rise with the height adjusting adjustable stem; When unclamping air bag, form negative pressure in air bag, namely now extraneous air enters in air bag by the second retaining valve and draft tube; When we need to make adjustable stem decline, can open vent valve, the air of adjusting cylinders inferior part of the cylinder block is leaked, and now back-moving spring piston rod moves down together with adjustable stem.By adjusting the height of adjustable stem, what can make the adjustable stem of pedestal both sides waits the calibrated scale shown by liquid level in senior executive identical, to be conducive to the water transfer Pingdu program simplifying collimation axis.
Claims (4)
1. a high-precision optical spirit-leveling instrument, comprise pedestal, by being rotatably connected on the spirit-leveling instrument body of pedestal upper surface perpendicular to the vertical axes of pedestal upper surface, the connecting bottom board of pedestal bottom is connected to by adjusting bolt, telescope is provided with in spirit-leveling instrument body, spirit-leveling instrument body is also provided with pipe level and micro-spiral that inclines, it is characterized in that, described pipe level lateral arrangement perpendicular to telescopical collimation axis on spirit-leveling instrument body, before pedestal, rear side is threaded along the axially extended distance rod of telescopical collimation axis respectively, before pedestal, the distance rod of rear side is coaxially arranged, the outer end of distance rod is provided with adjustable stem straight up, adjustable stem is provided with transparent senior executive such as grade vertically on the sidewall of spirit-leveling instrument body, waiting bottom senior executive on two distance rods is connected by pipeline, Deng being filled with liquid in senior executive, pipe shaft Deng senior executive is provided with the calibrated scale that can show liquid level.
2. the liquid level of a kind of high-precision optical spirit-leveling instrument according to claim 1, is characterized in that, described senior executive of Denging is provided with the floating cylinder that can fluctuate, and the periphery of the cylinder that floats is provided with reference graduation around ground.
3. a kind of high-precision optical spirit-leveling instrument according to claim 1, it is characterized in that, the outer end of described distance rod is provided with adjustable stem support, the top of adjustable stem support is provided with guide cylinder, the bottom of adjustable stem support is provided with the adjusting cylinders coaxial with guide cylinder, the upper end of described adjustable stem is provided with the guide pole fitted in guide cylinder, the lower end of adjustable stem is connected with the piston rod of adjusting cylinders, the cylinder body of adjusting cylinders bottom is led to by draft tube and an airbags, socket back-moving spring is on the piston rod provided with in the cylinder body on adjusting cylinders top, draft tube is provided with first retaining valve that can circulate in cylinder body from air bag, draft tube between air bag and the first retaining valve also connects one outside air can be made to enter the second retaining valve in draft tube by pipeline is other, draft tube between the cylinder body and the first retaining valve of adjusting cylinders then connects a manual vent valve by pipeline is other.
4. a kind of high-precision optical spirit-leveling instrument according to claim 1 or 2 or 3, it is characterized in that, before described pedestal, rear side is respectively equipped with sleeve, the lateral surface of sleeve is provided with external thread, distance rod and pedestal connect one end and are provided with external diameter and the consistent connecting stud of sleeve external diameter, connecting stud is contrary with the externally threaded rotation direction of sleeve, the lateral surface of connecting stud is provided with lock sleeve, lock sleeve one end is threaded with connecting stud, the other end is threaded with sleeve, the end of connecting stud is provided with the connection-peg fitted in sleeve, the end of connection-peg is against the bottom surface of sleeve, the sidewall of connection-peg is provided with axial draw-in groove, the madial wall of sleeve is provided with the tommy of screens in draw-in groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520043312.0U CN204388838U (en) | 2015-01-22 | 2015-01-22 | A kind of high-precision optical spirit-leveling instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520043312.0U CN204388838U (en) | 2015-01-22 | 2015-01-22 | A kind of high-precision optical spirit-leveling instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204388838U true CN204388838U (en) | 2015-06-10 |
Family
ID=53361551
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520043312.0U Expired - Fee Related CN204388838U (en) | 2015-01-22 | 2015-01-22 | A kind of high-precision optical spirit-leveling instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204388838U (en) |
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2015
- 2015-01-22 CN CN201520043312.0U patent/CN204388838U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150610 Termination date: 20190122 |
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| CF01 | Termination of patent right due to non-payment of annual fee |