CN105889720B - A kind of instrument of surveying and mapping support - Google Patents
A kind of instrument of surveying and mapping support Download PDFInfo
- Publication number
- CN105889720B CN105889720B CN201610390421.9A CN201610390421A CN105889720B CN 105889720 B CN105889720 B CN 105889720B CN 201610390421 A CN201610390421 A CN 201610390421A CN 105889720 B CN105889720 B CN 105889720B
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- China
- Prior art keywords
- rod
- centering rod
- centering
- mounting post
- connecting portion
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters
- F16M11/20—Undercarriages with or without wheels
- F16M11/24—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other
- F16M11/26—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other by telescoping, with or without folding
- F16M11/32—Undercarriages for supports with three or more telescoping legs
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/005—Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/48—Ferrous alloys, e.g. steel alloys containing chromium with nickel with niobium or tantalum
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/50—Ferrous alloys, e.g. steel alloys containing chromium with nickel with titanium or zirconium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/52—Ferrous alloys, e.g. steel alloys containing chromium with nickel with cobalt
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/58—Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.5% by weight of manganese
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/60—Ferrous alloys, e.g. steel alloys containing lead, selenium, tellurium, or antimony, or more than 0.04% by weight of sulfur
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M2200/00—Details of stands or supports
- F16M2200/08—Foot or support base
Abstract
The present invention relates to mapping equipment field.Purpose is to provide a kind of instrument of surveying and mapping support easy to use.The technical solution adopted in the present invention is：A kind of instrument of surveying and mapping support, including mounting post, installation top end set mounting platform, and the setting of mounting post bottom is directed downwardly to get infrared laser lamp ready.It is in semicircular arc and the centering rod parallel with mounting post also including more sections, the length and size of centering rod diminish successively.The axle center of the semicircular arc of each centering rod is equal with the distance between mounting post axle center, and centering rod upper end is contour, and lower end sets connecting portion.Connecting portion is formed with flexible footing and is detachably connected.Connecting rod perpendicular to mounting post is set between centering rod and mounting post, and connecting rod one end is affixed with centering rod, and the other end is rotatably connected with mounting post.The notch being engaged with the connecting rod on the less centering rod of remaining length is set in the middle part of each centering rod.The present invention can quickly be dismantled, assembles and stored, very easy to use.
Description
Technical field
The present invention relates to mapping equipment field, more particularly to instrument of surveying and mapping support.
Background technology
Instrument of surveying and mapping is exactly the instrument and device that are used as data sampling and processing, output etc. for mapping job design manufacture.
Mainly include theodolite, spirit level, plane table, rangefinder, total powerstation etc., in order to improve measurement accuracy before instrument of surveying and mapping use
Need to carry out centering leveling, be exactly that centre is directed at survey station point, then instrument of surveying and mapping is maintained at horizontality.Usual work
Make personnel and instrument of surveying and mapping is directly erected at cantilever tip, then carry out centering leveling using centering rod.Centering rod conduct is most normal
Support, it is the scalable metallic rod that land mark point can be pointing directly at by vertical, is pair indispensable in mapping
Middle equipment.
At present because part instrument of surveying and mapping is heavier, a centering rod, which is used alone, often can not effectively support surveying instrument
Device, occurs the scheme for forming support using more centering rod combinations and being supported to instrument of surveying and mapping in the prior art.Although this
Kind scheme can ensure support strength, but due to the increase of centering rod quantity, cause the volume of support to become big, carry extremely not
Just.Moreover, existing support can only all change size from vertical direction, that is to say, that can only change the height of support, this just makes
It can not be stored all the time to less volume into support.Meanwhile, it is necessary to move to next place after the measurement of one place is completed
When, staff's needs are shouldered support and moved, and because support generally use metal is made, weight is larger, and this is undoubtedly time-consuming
Arduously, the efficiency of measurement is also just reduced.
The content of the invention
It is an object of the invention to provide a kind of instrument of surveying and mapping support easy to use.
For achieving the above object, the technical solution adopted in the present invention is：A kind of instrument of surveying and mapping support, including installation
Post, the installation top end set mounting platform, disk level-meter are set on the mounting platform, and mounting post bottom is set down
Get infrared laser lamp ready, the direction of the launch for getting infrared laser lamp ready and mounting post are axially coincident.Also include more
Section is in semicircular arc and the centering rod parallel with mounting post, and the length and size of the centering rod diminish successively.Each right
The axle center of the semicircular arc of middle bar is equal with the distance between mounting post axle center, and centering rod upper end is contour, and lower end sets connection
Portion.The connecting portion is formed with flexible footing and is detachably connected.Set between the centering rod and mounting post perpendicular to mounting post
Connecting rod, described connecting rod one end is affixed with centering rod, and the other end is rotatably connected with mounting post.The each centering rod
Middle part sets the notch being engaged with the connecting rod on the less centering rod of remaining length.
Preferably, the centering rod includes the first centering rod, the second centering rod and the 3rd centering rod.First centering rod
Size and length be more than the second centering rod, the size and length of second centering rod are more than the 3rd centering rod.Described first
Centering rod, the second centering rod and the 3rd centering rod bottom are correspondingly arranged the first connecting portion of tubulose, second connecting portion and the 3rd connects
Socket part.3rd connecting portion is higher than second connecting portion, and the second connecting portion is higher than first connecting portion.First centering
Head rod, the second connecting rod and the 3rd connecting rod are correspondingly arranged in the middle part of bar, the second centering rod and the 3rd centering rod.The peace
Vertically be uniformly arranged three bearings in the middle part of dress post, the head rod, the second connecting rod, the 3rd connecting rod one end with it is right
Middle bar is affixed, and the outer ring of the other end and bearing is affixed.Set in the middle part of first centering rod and be connected with the second connecting rod and the 3rd
The notch that bar is engaged, the second centering rod middle part set the notch being engaged with the 3rd connecting rod.
Preferably, the mounting post bottom end face sets the mounting hole coaxial with mounting post, described to get infrared laser ready
Lamp position is more than 10cm in the distance between the transmitting terminal in mounting hole, getting infrared laser lamp ready and the opening of mounting hole.
Preferably, the flexible footing includes outer tube, sets the inner tube being engaged in the outer tube, on the outer tube wall
The first horizontal screwed hole is set, the first screw rod being engaged is set in first screwed hole.The top of said inner tube is fixed
Connector is set, and the connector is detachably connected with connecting portion.The bottom of the outer tube is in back taper.
Preferably, the connecting portion inwall sets internal thread, and the connector outer wall is set and the internal thread on connecting portion
The external screw thread being engaged.
Preferably, the connector upper surface setting universal rolling wheel, the lateral wall setting of the outer tube are mutual with internal thread
The external screw thread of cooperation.
Preferably, circumferentially arranged annular groove in the middle part of the mounting post, the bearing is located in annular groove, described
The second vertical screwed hole is set in the side wall of annular groove, the second screw rod being engaged is set in second screwed hole.
Preferably, the head rod, the second connecting rod, the 3rd connecting rod middle part are respectively provided with disk level-meter.
Preferably, the head rod, the second connecting rod, the 3rd connecting rod middle part are correspondingly arranged lock hole and matched somebody with somebody and be arranged
Bolt is put, the bolt can sequentially pass through when the second centering rod, the 3rd centering rod are located in the first centering rod to be connected positioned at first
Extension bar, the second connecting rod, the lock hole in the 3rd connecting rod.
Preferably, the notch edge sets rubber wear-resisting layer.
Preferably, the mounting post, the first centering rod, the second centering rod, the 3rd centering rod are made of alloy material, institute
Alloy material is stated to consist of the following parts by weight：80 parts of iron；8.5 parts of chromium；9 parts of nickel；8 parts of manganese；5 parts of silicon；Cobalt 2；0.8 part of iridium；Titanium 0.5
Part；0.5 part of niobium；0.3 part of scandium；0.5 part of tellurium；0.8 part of beryllium；0.1 part of strontium.
Beneficial effects of the present invention embody a concentrated reflection of, and are cooperated by more centering rods and form support, greatly improved
The overall construction intensity of support.Having abandoned in the past can only be arranged on instrument of surveying and mapping the scheme on a piece centering rod top, greatly
Improve the flexibility of instrument of surveying and mapping installation.Effect is more preferable during especially for larger instrument of surveying and mapping, due to large-scale surveying instrument
The weight of device is big, and its support is generally collectively formed by more centering rods, and this results in the bulky of support, it is not readily portable and
Storage.Support of the present invention can quickly be dismantled, assembles and stored.Specifically, traditional support can only pass through change
The vertical length of each component reduces the volume of support, that is, support is become short and realize the diminution of volume, and of the invention
Centering rod after being rotated around mounting post, can be received into completely inside the maximum centering rod of size.This just makes support volume more
It is small, carried so as to easily facilitate.Meanwhile of the invention get infrared laser lamp ready and can directly indicate survey station point on the ground
Accurate location, the precision of instrument of surveying and mapping centering is improved, so as to improve the measurement accuracy of instrument of surveying and mapping.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the top view of structure shown in Fig. 1；
Fig. 3 is the scheme of installation of the first centering rod；
Fig. 4 is the scheme of installation of the second centering rod；
Fig. 5 is the scheme of installation of the 3rd centering rod；
Fig. 6 is the use state diagram of the first centering rod；
Fig. 7 is the structural representation of flexible footing；
Fig. 8 preferably gets infrared laser lamp scheme of installation ready for one kind；
Fig. 9 is a kind of preferable bearing scheme of installation.
Embodiment
A kind of instrument of surveying and mapping support with reference to shown in Fig. 1-9, including mounting post 1, the top of mounting post 1 set installation flat
Platform 2, the mounting platform 2 is used to lay instrument of surveying and mapping, and disk level-meter 22 is set on the mounting platform 2, such as Fig. 2 institutes
Show.The bottom of mounting post 1 set it is directed downwardly get infrared laser lamp 4 ready, it is described get ready infrared laser lamp 4 be exactly can be in object
Surface mapping goes out the infrared laser lamp of red spots, and the direction of the launch and the mounting post 1 for getting infrared laser lamp 4 ready are axially heavy
Close.In order to improve the axial precision for getting infrared laser lamp 4 ready, as shown in figure 8, preferably in the bottom end face of mounting post 1
The mounting hole 15 coaxial with mounting post 1 is set, and the infrared laser lamp 4 of getting ready is located in mounting hole 15, gets infrared ray ready and swash
The distance between the transmitting terminal of light lamp 4 and the opening of mounting hole 15 are more than 10cm.So, due to getting infrared laser lamp ready
There is longer distance between 4 transmitting terminal and the opening of mounting hole 15, therefore just can ensure the axle for getting infrared laser lamp 4 ready
To precision, while mounting hole 15 can also play a part of protection and get infrared laser lamp 4 ready.
It is in semicircular arc and the centering rod parallel with mounting post 1 present invention additionally comprises more sections, described more can be with
It is three, four or more roots.The centering rod arranges around mounting post 1, and the length and size of centering rod are along clockwise or the inverse time
Pin direction diminishes successively.Exemplified by this sentences three centering rods, to be respectively counterclockwise the first centering rod 5, second shown in Fig. 2
Centering rod 6, the 3rd centering rod 7；With reference to shown in Fig. 3-6, that is, the size of the first centering rod 5 and length are more than the second centering rod
6, the size and length of second centering rod 6 are more than the 3rd centering rod 7.Namely the first centering rod 5 is maximum, next to that the
Two centering rods 6, it is the 3rd centering rod 7 again.3rd centering rod 7 can load in the second centering rod 6, and the second centering rod 6
It can load in the first centering rod 5.The distance between the axle center of the semicircular arc of each centering rod and the axle center of mounting post 1 phase
Deng, that is, the distance of axial line to the axial line of mounting post 1 of three centering rods is equal.
Connecting rod perpendicular to mounting post 1 is set between the centering rod and mounting post 1, when centering rod is three, the
One centering rod 5, the second centering rod 6 and the middle part of the 3rd centering rod 7 are correspondingly arranged head rod 11, the second connecting rod 12 and the 3rd
Connecting rod 13.Described connecting rod one end and centering rod are affixed, and the other end is rotatably connected with mounting post 1, and composition is rotatably connected
Mode both can be the through hole being engaged in connecting rod close to the end set of mounting post 1 with mounting post 1, then by mounting post
1 is located in through hole.Can also be that three bearings 3 are vertically uniformly arranged at the middle part of mounting post 1, the end of the connecting rod with
The outer ring of bearing 3 is affixed.Certainly the other modes for playing same effect be can also be.So, centering rod can around
Mounting post 1 rotates.
The notch being engaged with the connecting rod on the less centering rod of remaining length is set in the middle part of each centering rod
14.Herein also by taking three centering rods as an example, that is, the middle part of first centering rod 5 sets and connected with the second connecting rod 12 and the 3rd
The notch 14 that extension bar 13 is engaged, the middle part of the second centering rod 6 set the notch 14 being engaged with the 3rd connecting rod 13.Change speech
It, exactly there is 2 notches 14 on the first centering rod 5, and has 1 notch 14 on the second centering rod 6, does not have on the 3rd centering rod 7
Notch.As shown in fig. 6, the second centering rod 6 is being rotated to when loading in the first centering rod 5, the second connecting rod 12 is located at first
In the notch 14 of the top of centering rod 5.Namely described notch 14 is the reception position as connecting rod.Further, can also be
The edge of notch 14 sets rubber wear-resisting layer, so as to which the situation for preventing notch 14 and connecting rod from mutually wearing occurs.
The centering rod upper end is contour, and the first centering rod 5, the second centering rod 6 and the bottom of the 3rd centering rod 7 are correspondingly arranged pipe
The first connecting portion 8 of shape, the connecting portion 10 of second connecting portion 9 and the 3rd, that is, the size of first connecting portion 8 and the first centering rod
5 consistent, second connecting portions 9 with the second centering rod 6 unanimously, the 3rd connecting portion 10 it is consistent with the 3rd centering rod 7.3rd connection
Portion 10 is higher than second connecting portion 9, and the second connecting portion 9 is higher than first connecting portion 8.In other words, as shown in fig. 6, being exactly second
Connecting portion 9, the 3rd connecting portion 10 can also load in the first centering rod 5.The first connecting portion 8, second connecting portion 9 and the 3rd
Connecting portion 10 forms with flexible footing be detachably connected respectively.
The mode that is detachably connected of forming both can be threaded connection or snap connection or other play phase
The mode of same-action.Described flexible footing is exactly the footing that can change of height, both can be that to include two radicles overlapping
Support bar, a support bar set the mounting hole extended along support bar length direction at middle part, and another support bar is in overlapping portion
Set up separately and put bolt hole, screw rod is locked after sequentially passing through bolt hole and mounting hole by nut, and in regulation, unclamping nut makes screw rod
Locked again after being moved along mounting hole.Flexible footing can also include outer tube 16, set what is be engaged in the outer tube 16
Inner tube 17, and with alignment pin locking positioning radially, in regulation, adjust loose alignment pin to make change inner tube 17 in the interior edge axle of outer tube 16
Locked again after to movement；Certainly other modes for playing phase same-action be can also be.Specifically, when using the He of inner tube 17
During the mode that outer tube 16 is engaged, the first horizontal screwed hole, first screwed hole can be set in the side wall of outer tube 16
It is interior that the first screw rod being engaged, the first described screw rod i.e. alignment pin are set.The top fixed setting of said inner tube 17 connects
Joint 18, the connector 18 are detachably connected with connecting portion.The bottom of the outer tube 16 is in back taper.In order to simplify structure,
Internal thread preferably is set in the connecting portion inwall, the outer wall of connector 18 sets the external screw thread being engaged with internal thread,
Adapter sleeve 18 forms screw thread with connecting portion and coordinated.
Support in use, is erected at survey station point by the present invention first, is mapped out with to get infrared laser lamp 4 ready
Red point is located at survey station point and is defined.Then the bubble of the disk level-meter 22 on mounting platform 2 is made by adjusting flexible footing
Positioned at center, the centering leveling of mounting platform 2 is so achieved that.Then instrument of surveying and mapping is placed on mounting platform 2.Then
It can be carried out observing and record.After the completion of observation, when staff needs to pack up on support, instrument of surveying and mapping is taken first
Under, then flexible footing is pulled down.Then the second centering rod 6 is rotated, the second centering rod 6 is received into the first centering rod 5, so
After be rotated further by the 3rd centering rod 7, the 3rd centering rod 7 is received into the second centering rod 6.So the volume of support is just smaller is easy to
Carry and transport.In order to prevent that the first centering rod 5, the second centering rod 6, the 3rd centering rod 7 rotate in transportation, may be used also
To be correspondingly arranged lock hole 21 and supporting setting at the head rod 11, the second connecting rod 12, the middle part of the 3rd connecting rod 13
Bolt, the bolt are sequentially passed through when centering rod is completed and stored positioned at head rod 11, the connection of the second connecting rod the 12, the 3rd
Lock hole 21 on bar 13, is then fixed bolt using nut.Namely in the second centering rod 6 and the 3rd centering rod 7 all positions
When in the first centering rod 5, fixed using a bolt from vertical realized through three connecting rods.
In order to further improve the performance of the present invention, as shown in fig. 7, ten thousand can also be set in the upper surface of connector 18
Way roller 19, the lateral wall of the outer tube 16 set the external screw thread to be cooperated with the internal thread on connecting portion, so when
When having multiple places to need mapping, flexible footing is inverted by staff's can, is then screwed, and is push using universal rolling wheel 19
Support moves ahead, and after reaching mapping place, then flexible footing is pressed into inner tube 17 and loads connecting portion in direction upper, that outer tube 16 is under
In, realize firm support.Further, can also be in the circumferentially arranged annular groove 20 in the middle part of mounting post 1, the axle
3 are held in annular groove 20, the second vertical screwed hole, second screwed hole are set in the side wall of the annular groove 20
Interior to set the second screw rod being engaged, the end of the second screw rod is screwed in annular groove 20, and is offseted with the outer ring of bearing 3, just
The centering rod in mapping can be effectively avoided to rotate, naturally it is also possible to by the way of other play phase same-action.
, can also be in the head rod 11, the second connecting rod the 12, the 3rd in order to improve the precision that the present invention flattens
The middle part of connecting rod 13 is respectively provided with disk level-meter 22.So multiple disk level-meters 22 cooperate, just can be more accurately
Reflect the centering situation of instrument of surveying and mapping.More preferable way is the mounting post 1, the first centering rod 5, the second centering rod the 6, the 3rd
Centering rod 7 is made of alloy material, and the alloy material consists of the following parts by weight：80 parts of iron；8.5 parts of chromium；9 parts of nickel；Manganese 8
Part；5 parts of silicon；Cobalt 2；0.8 part of iridium；0.5 part of titanium；0.5 part of niobium；0.3 part of scandium；0.5 part of tellurium；0.8 part of beryllium, 0.1 part of strontium.
The alloy material is processed into by the following method：
A. iron, chromium, nickel, manganese, niobium, scandium, beryllium, tellurium, strontium etc. are subjected to melting by the parts by weight, furnace temperature is increased to maintain
1300 DEG C of meltings 5 minutes, then raise furnace temperature, and titanium, iridium, cobalt, silicon, last all material are added when furnace temperature is increased to 1800 DEG C
It is smelted into liquid molten steel.
B. then molten steel made from above-mentioned steps melting is poured, placing temperature maintains calm 3 minutes in smelting furnace
1800 DEG C, 1 point is cast in 30 seconds and is completed.
C. after the completion of pouring, cooling is come out of the stove for more than 3 hours.
The corrosion resisting property arrived by the alloy material that above-mentioned steps obtain by ISO9227 neutral salt spray test standard detection
As a result it is as follows：
| The trade mark | Chromium content | 24h | 48h | 72h |
| The present invention | 7.3% | √ | √ | √ |
| 304 steel | 18.5% | √ | √ | √ |
Comprehensive upper table can be seen that mounting post 1 made of alloy material of the present invention, the first centering rod 5, second
Centering rod 6, the 3rd centering rod 7, its corrosion resistance excellent, are not easy to get rusty during long-term use, are especially suitable for field work.Institute
The chromium content of alloy is stated, traditional 304 stainless steel 18%-20% chromium contents are significantly less than, less than the one of 304 stainless steel chromium contents
Half, but its corrosion resisting property has reached the level of 304 stainless steels.In traditional understanding, general chromium content is less than 11% conjunction
Jin Gang does not possess rustless property, but this alloy, on the basis of chromium content is well below conventional levels, its rustless property reaches
Higher level.
Claims (9)
- A kind of 1. instrument of surveying and mapping support, it is characterised in that：Including mounting post (1), mounting post (1) top sets mounting platform (2) disk level-meter (22), is set on the mounting platform (2), and the setting of mounting post (1) bottom is directed downwardly to get infrared laser ready Lamp (4), the direction of the launch for getting infrared laser lamp (4) ready and mounting post (1) are axially coincident；It is in semicircular arc and the centering rod parallel with mounting post (1) also including more sections, the length and size of the centering rod Diminish successively；The axle center of the semicircular arc of each centering rod is equal with the distance between mounting post (1) axle center, and on centering rod Hold contour, lower end setting connecting portion；The connecting portion is formed with flexible footing and is detachably connected；The centering rod and mounting post (1) connecting rod perpendicular to mounting post (1) is set between, and described connecting rod one end and centering rod are affixed, the other end and mounting post (1) it is rotatably connected；Set in the middle part of each centering rod and be engaged with the connecting rod on the less centering rod of remaining length Notch (14).
- 2. instrument of surveying and mapping support according to claim 1, it is characterised in that：The centering rod include the first centering rod (5), Second centering rod (6) and the 3rd centering rod (7)；The size and length of first centering rod (5) are more than the second centering rod (6), The size and length of second centering rod (6) are more than the 3rd centering rod (7)；First centering rod (5), the second centering rod (6) and the 3rd centering rod (7) bottom is correspondingly arranged the first connecting portion (8), second connecting portion (9) and the 3rd connecting portion of tubulose (10)；3rd connecting portion (10) is higher than second connecting portion (9), and the second connecting portion (9) is higher than first connecting portion (8)； Head rod (11), second are correspondingly arranged in the middle part of first centering rod (5), the second centering rod (6) and the 3rd centering rod (7) Connecting rod (12) and the 3rd connecting rod (13)；Vertically it is uniformly arranged three bearings (3) in the middle part of the mounting post (1), described the One connecting rod (11), the second connecting rod (12), one end of the 3rd connecting rod (13) and centering rod are affixed, the other end and bearing (3) Outer ring it is affixed；Set what is be engaged with the second connecting rod (12) and the 3rd connecting rod (13) in the middle part of first centering rod (5) Notch (14), the second centering rod (6) middle part set the notch (14) being engaged with the 3rd connecting rod (13).
- 3. instrument of surveying and mapping support according to claim 2, it is characterised in that：Mounting post (1) bottom end face set with The coaxial mounting hole (15) of mounting post (1), the infrared laser lamp (4) of getting ready are located in mounting hole (15), get infrared ray ready The distance between the transmitting terminal of laser lamp (4) and the opening of mounting hole (15) are more than 10cm.
- 4. instrument of surveying and mapping support according to claim 3, it is characterised in that：The flexible footing includes outer tube (16), institute The inner tube (17) for setting and being engaged in outer tube (16) is stated, the first horizontal screwed hole is set in outer tube (16) side wall, it is described The first screw rod being engaged is set in the first screwed hole；The top fixed setting connector (18) of said inner tube (17), the company Joint (18) is detachably connected with connecting portion；The bottom of the outer tube (16) is in back taper.
- 5. instrument of surveying and mapping support according to claim 4, it is characterised in that：The connecting portion inwall sets internal thread, institute State connector (18) outer wall and the external screw thread being engaged with internal thread is set.
- 6. instrument of surveying and mapping support according to claim 5, it is characterised in that：Connector (18) upper surface sets universal Roller (19), the lateral wall of the outer tube (16) set the external screw thread to be cooperated with the internal thread on connecting portion.
- 7. instrument of surveying and mapping support according to claim 6, it is characterised in that：It is circumferentially arranged in the middle part of the mounting post (1) Annular groove (20), the bearing (3) are located in annular groove (20), are set vertically in the side wall of the annular groove (20) Second screwed hole, second screwed hole is interior to set the second screw rod being engaged.
- 8. the instrument of surveying and mapping support according to any one in claim 2-7, it is characterised in that：The head rod (11), the second connecting rod (12), the 3rd connecting rod (13) middle part are respectively provided with disk level-meter (22).
- 9. the instrument of surveying and mapping support according to any one in claim 2-7, it is characterised in that：The head rod (11), the second connecting rod (12), the 3rd connecting rod (13) middle part are correspondingly arranged lock hole (21) and supporting setting bolt, the spiral shell Bolt the second centering rod (6), the 3rd centering rod (7) be located at the first centering rod (5) it is interior when can sequentially pass through positioned at head rod (11), the second connecting rod (12), the lock hole (21) in the 3rd connecting rod (13)；Notch (14) edge sets rubber wear-resisting Layer.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610390421.9A CN105889720B (en) | 2016-06-03 | 2016-06-03 | A kind of instrument of surveying and mapping support |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610390421.9A CN105889720B (en) | 2016-06-03 | 2016-06-03 | A kind of instrument of surveying and mapping support |
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| CN105889720A CN105889720A (en) | 2016-08-24 |
| CN105889720B true CN105889720B (en) | 2018-03-30 |
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| CN201610390421.9A Active CN105889720B (en) | 2016-06-03 | 2016-06-03 | A kind of instrument of surveying and mapping support |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106092064A (en) * | 2016-06-03 | 2016-11-09 | 成都兰腾科技有限公司 | A kind of instrument of surveying and mapping support |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108317374B (en) * | 2018-03-30 | 2024-04-05 | 苏州贝佳新能源科技有限公司 | Suspension type flat cable crossing net point laser positioning device |
| CN109163714B (en) * | 2018-09-28 | 2020-09-08 | 宁波广天建通工程管理有限公司 | Measuring and positioning coordinate conversion device under complex terrain condition and construction method thereof |
| CN110174094A (en) * | 2019-05-29 | 2019-08-27 | 宝鸡石油机械有限责任公司 | A kind of laser assisted centralising device for the assembly of big orifice equipment |
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| EP0702191A1 (en) * | 1994-09-13 | 1996-03-20 | LINO MANFROTTO + CO. S.p.A. | A device for adjusting the length of an extendible rod-like element, particularly an extendible leg of a tripod or stand for optical or photographic equipment |
| US6631877B1 (en) * | 2000-10-10 | 2003-10-14 | Crain Enterprises, Inc. | Surveying equipment support legs |
| CN104879627A (en) * | 2015-05-29 | 2015-09-02 | 苏州华徕光电仪器有限公司 | Surveying instrument tripod convenient to move |
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| CN106092064A (en) * | 2016-06-03 | 2016-11-09 | 成都兰腾科技有限公司 | A kind of instrument of surveying and mapping support |
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|---|---|
| CN105889720A (en) | 2016-08-24 |
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