CN207556542U - A kind of suspension type carries plummet pendant prism - Google Patents
A kind of suspension type carries plummet pendant prism Download PDFInfo
- Publication number
- CN207556542U CN207556542U CN201721804382.9U CN201721804382U CN207556542U CN 207556542 U CN207556542 U CN 207556542U CN 201721804382 U CN201721804382 U CN 201721804382U CN 207556542 U CN207556542 U CN 207556542U
- Authority
- CN
- China
- Prior art keywords
- plummet
- prism
- pendant
- hole
- suspension type
- 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.)
- Expired - Fee Related
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Abstract
The utility model is related to a kind of survey tools, it is related to round prism, a kind of suspension type carries plummet pendant prism, including a circle prism, the outer sheath of circle prism is equipped with a fixing piece, and a connection piece is equipped on fixing piece, and connector includes a cross bar, two montants, the top at the middle part of cross bar is equipped with a block-shaped protrusion, and the upper surface of block-shaped protrusion is equipped with a slot；A plummet is further included, plummet includes a plummet top, a plummet lower part, and plummet lower part is embedded into slot；The top on plummet top is equipped with a cylindrical bump, and cylindrical bump is used for the through-hole across suspension strop equipped with one.The utility model above circle prism by adding a vertical pendant to match with circle prism, the quality of round prism is aggravated, an organic whole is formed with prism, hangs up stability enhancing, influence of the external environment to suspension circle prism is reduced, so as to ensure that the requirement of measurement accuracy.
Description
Technical field
The utility model is related to a kind of survey tools, and in particular, to circle prism.
Background technology
Since geological condition of coal mine is complicated and changeable, the increasing of ventilation quantity in the special environmental condition in underground and local tunnel
Add, tunnel expert people from garage is more, leads to the restriction of the various aspects condition elements such as the big, landform of underground survey wind-engaging, testing difficulty
Higher, generally using front and rear prism suspension type mensuration, to improve testing efficiency, what wherein difficulty was especially prominent is that front-and rear-view shines
The stability of quasi- surveyor's beacon suspension.Deepen along with coal mine excavation, mining roadway distance gradually increases, and measurement task is heavy, to surveying
Accuracy of measurement requires also to increase；In addition underground air quantity increase, wind speed accelerate, seriously affected angle measurement, range measurement and
The precision of the measurement of higher degree causes Measurement results precision to be declined；Traditional single suspension prism distance measuring method is due to prism matter
Amount is lighter, and by air speed influence in tunnel, prism easily waves around, and it is relatively low to survey horizontal angle, inclination angle and range accuracy,
It is serious to restrict further improving for underground survey precision, it hides some dangers for safety in production.
Utility model content
The purpose of this utility model is to provide a kind of suspension type with plummet pendant prism, to solve above-mentioned at least one skill
Art problem.
In order to achieve the above object, the utility model uses following technical proposals：
A kind of suspension type carries plummet pendant prism, including a circle prism, which is characterized in that the outer sheath of the round prism
It is in circular fixing piece equipped with a cross section, a connection piece is equipped on the fixing piece, the connector includes a cross bar, two
Root montant, the top of two montants connect the both sides of the cross bar respectively, and the lower part of two montants connects institute respectively
The both sides of fixing piece are stated, the top at the middle part of the cross bar is equipped with a block-shaped protrusion, and the upper surface of the block-shaped protrusion is equipped with one
For connecting the slot of plummet, the inner wall of the slot is equipped with an annular projection；
A plummet is further included, the plummet includes a cylindrical plummet top, a cylindrical plummet lower part, institute
The diameter for stating plummet lower part is less than the diameter on the plummet top, and the plummet lower part matches equipped with an annular projection
Annular recess, and then the plummet lower part is embedded into the slot；
The top on the plummet top is equipped with a cylindrical bump, and the cylindrical bump is equipped with one and is used for across suspension
The through-hole of rope.
The through-hole includes first through hole, the second through-hole, and second through-hole is arranged on the inner wall of the first through hole,
The central axes of the first through hole and the central axes of the cylindrical bump are perpendicular, the central axes of second through-hole with it is described
The central axes of cylindrical bump are on the same line.
The lower end of the plummet lower part is equipped with chamfering.
The cross bar, two montants cross section be in ellipticity.
For the plummet using steel plummet made of the round steel of a diameter of 30mm, the quality of the plummet is 0.5kg.
The cross section of the annular recess is triangular in shape.
The plummet lower part is equipped at least three strip projected parts, and at least three strip projected parts are annularly equidistantly arranged
Cloth is on the outer surface of the plummet lower part, the length direction of at least three strip projected parts and the length of the plummet lower part
Direction is identical；
The inner wall of the slot is equipped at least three strip grooves to match with the strip projected parts, at least three institutes
Strip groove is stated annularly equidistantly to be arranged on the inner wall of the slot, the length direction of at least three strip grooves with
The length direction of the strip projected parts is identical.
The utility model makes round prism by adding a vertical pendant to match with circle prism above circle prism
Quality aggravates, and an organic whole is formed with prism, hangs up stability enhancing, reduces external environment to suspension circle prism
It influences, so as to ensure that the requirement of measurement accuracy.
Description of the drawings
Fig. 1 is the part-structure cross-sectional view of the utility model；
Fig. 2 is the part-structure schematic diagram at the plummet of the utility model.
Specific embodiment
Specific embodiment of the present utility model is further described below in conjunction with attached drawing.
As depicted in figs. 1 and 2, a kind of suspension type carries plummet pendant prism, including a circle prism 1, the outside of circle prism
Fixing piece 2 of the cross section in annular shape is arranged with, is erected for 4, two including a cross bar equipped with a connection piece, connector on fixing piece
Bar 3, the top of two montants connect the both sides of cross bar, the both sides of the lower part difference connection fixture of two montants, cross bar respectively
The top at middle part be equipped with a block-shaped protrusion 5, the upper surface of block-shaped protrusion is equipped with one for connecting the slot of plummet, slot it is interior
Wall is equipped with an annular projection 6；A plummet is further included, plummet includes a cylindrical 8, one cylindrical lead of plummet top
Hammer lower part 7 into shape, the diameter of plummet lower part is less than the diameter on plummet top, and plummet lower part is equipped with the ring-type that an annular projection matches
Groove 10, and then plummet lower part is embedded into slot；The top on plummet top is equipped with a cylindrical bump 9, on cylindrical bump
The through-hole across suspension strop is used for equipped with one.The utility model above circle prism by adding one and justifying what prism matched
Vertical pendant, aggravates the quality of round prism, and an organic whole is formed with prism, hangs up stability enhancing, reduces outer
Influence of boundary's environment to suspension circle prism, so as to ensure that the requirement of measurement accuracy.Suspension falls prism measuring method with vertical
Ensure that prism centers are located at traverse point on same plumb line, horizontal angle, inclination angle and range measurement accuracy are more stable reliable,
The vertical pendant of installation has good inhibiting effect to the distinguished and admirable stability for influencing suspension surveyor's beacon.It is a series of by survey crew
After analyses and comparison, such method is used for underground survey, can not only meet the daily use for prolonging survey conducting wire, moreover it is possible to further carry
The precision of high trigonometric levelling.
Through-hole includes first through hole, the second through-hole, and the second through-hole is arranged on the inner wall of first through hole, in first through hole
The central axes of axis and cylindrical bump are perpendicular, and the central axes of the second through-hole and the central axes of cylindrical bump are in same straight line
On.It is stretched out convenient for suspension strop from the middle part of cylindrical bump, suspension is kept to stablize.For the ease of embedded plummet to block-shaped protrusion
Interior, the lower end of plummet lower part is equipped with chamfering.Cross bar, two montants cross section be in ellipticity.Windage can be then reduced, is reduced extraneous
Influence of the environment to suspension circle prism, so as to ensure that the requirement of measurement accuracy.In order to ensure the stability of suspension, plummet uses
Steel plummet made of the round steel of a diameter of 30mm, the quality of plummet is 0.5kg.The cross section of annular recess is triangular in shape.Just
In in embedded plummet to block-shaped protrusion, ensure plummet and the bonding strength of block-shaped protrusion.Plummet lower part is equipped at least three rules
Shape protrusion, at least three strip projected parts are annularly equidistantly arranged on the outer surface of plummet lower part, at least three strip projected parts
Length direction it is identical with the length direction of plummet lower part；What the inner wall of slot matched equipped at least three with strip projected parts
Strip groove, at least three strip grooves are annularly equidistantly arranged on the inner wall of slot, the length of at least three strip grooves
It is identical with the length direction of strip projected parts to spend direction.To adjust prism angle, measurement accuracy is improved.
When examining the utility model, by using two total powerstations in the assay approval term of validity to having installed lead additional
The circle prism of hanging pendant is tested, and is not being hung first by the place that extraneous factor is influenced with vertical pendant circle prism,
Instrument is set up at away from circle prism 50m and 100m respectively again, with the vertical hair telescope direct in two total powerstation telescopes and is fallen
Mirror aims at measuring point suspension strop top, and slowly the vertical final motion screw of conditioning instrumentation, observation vertical pendant top have been fastened outstanding downwards
Whether lanyard vertically overlaps with prism centers, if it find that the two is misaligned, replaces pendant in time, until overlapping；Finally
The distance of a survey time and inclination angle observation are carried out again, and the same survey time, the ＂ of the mutual difference in inclination angle≤15 was to close apart from mutual difference≤4mm
Lattice.As stated above, round prism is hung again and sets up instrument, is repeated a number of times observation, and measured by two or more
Personnel are observed verification, so as to ensure install additional vertical pendant center and prism centers be on same plumb line and
The stability hung under measuring point.Underground survey can be put into after examining qualification to use in practice.
Although the content of the utility model is discussed in detail by above preferred embodiment, but it should be appreciated that on
The description stated is not considered as the limitation to the utility model.After those skilled in the art have read the above, for
A variety of modifications and substitutions of the utility model all will be apparent.Therefore, the scope of protection of the utility model should be by appended
Claim limit.
Claims (7)
1. a kind of suspension type carries plummet pendant prism, including a circle prism, which is characterized in that be arranged on the outside of the round prism
Have a cross section in circular fixing piece, equipped with a connection piece on the fixing piece, the connector include a cross bar, two
Montant, the top of two montants connect the both sides of the cross bar respectively, and the lower parts of two montants connects described respectively
The both sides of fixing piece, the top at the middle part of the cross bar are equipped with a block-shaped protrusion, and the upper surface of the block-shaped protrusion is equipped with one and uses
In the slot of connection plummet, the inner wall of the slot is equipped with an annular projection；
A plummet is further included, the plummet includes a cylindrical plummet top, a cylindrical plummet lower part, the lead
The diameter for hammering lower part into shape is less than the diameter on the plummet top, and the plummet lower part is equipped with the ring that an annular projection matches
Shape groove, and then the plummet lower part is embedded into the slot；
The top on the plummet top is equipped with a cylindrical bump, and the cylindrical bump is equipped with one and is used for across suspension strop
Through-hole.
2. a kind of suspension type as described in claim 1 carries plummet pendant prism, which is characterized in that the through-hole includes first
Through-hole, the second through-hole, second through-hole are arranged on the inner wall of the first through hole, the central axes of the first through hole and institute
The central axes for stating cylindrical bump are perpendicular, and the central axes of second through-hole are with the central axes of the cylindrical bump same
On straight line.
3. a kind of suspension type as described in claim 1 carries plummet pendant prism, which is characterized in that under the plummet lower part
End is equipped with chamfering.
4. a kind of suspension type as described in claim 1 carries plummet pendant prism, which is characterized in that the cross bar, two institutes
The cross section for stating montant is in ellipticity.
5. a kind of suspension type as described in claim 1 carries plummet pendant prism, which is characterized in that the plummet uses diameter
For steel plummet made of the round steel of 30mm, the quality of the plummet is 0.5kg.
6. a kind of suspension type as described in claim 1 carries plummet pendant prism, which is characterized in that the horizontal stroke of the annular recess
Section is triangular in shape.
7. a kind of suspension type as described in claim 1 carries plummet pendant prism, which is characterized in that is set on the plummet lower part
There are at least three strip projected parts, at least three strip projected parts are annularly equidistantly arranged in the outer surface of the plummet lower part
On, the length direction of at least three strip projected parts is identical with the length direction of the plummet lower part；
The inner wall of the slot is equipped at least three strip grooves to match with the strip projected parts, at least three items
Shape groove is annularly equidistantly arranged on the inner wall of the slot, the length direction of at least three strip grooves with it is described
The length direction of strip projected parts is identical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721804382.9U CN207556542U (en) | 2017-12-21 | 2017-12-21 | A kind of suspension type carries plummet pendant prism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721804382.9U CN207556542U (en) | 2017-12-21 | 2017-12-21 | A kind of suspension type carries plummet pendant prism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207556542U true CN207556542U (en) | 2018-06-29 |
Family
ID=62660155
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721804382.9U Expired - Fee Related CN207556542U (en) | 2017-12-21 | 2017-12-21 | A kind of suspension type carries plummet pendant prism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207556542U (en) |
-
2017
- 2017-12-21 CN CN201721804382.9U patent/CN207556542U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20180629 Termination date: 20181221 |