CN106969745B - A kind of level and tripod thereon - Google Patents
A kind of level and tripod thereon Download PDFInfo
- Publication number
- CN106969745B CN106969745B CN201710164966.2A CN201710164966A CN106969745B CN 106969745 B CN106969745 B CN 106969745B CN 201710164966 A CN201710164966 A CN 201710164966A CN 106969745 B CN106969745 B CN 106969745B
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- CN
- China
- Prior art keywords
- sliding sleeve
- pawl
- nut fitting
- tripod
- screw rod
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C5/00—Measuring height; Measuring distances transverse to line of sight; Levelling between separated points; Surveyors' levels
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D11/00—Component parts of measuring arrangements not specially adapted for a specific variable
- G01D11/30—Supports specially adapted for an instrument; Supports specially adapted for a set of instruments
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Transmission Devices (AREA)
Abstract
Tripod the invention discloses a kind of level and thereon, the tripod includes pedestal and several supporting legs, the bottom of pedestal is vertically installed with a screw rod, sliding sleeve is provided on screw rod, it is rotatably connected to a ballscrew nut fitting connecting with wire rod thread on sliding sleeve, pull rod is hingedly connected between supporting leg and sliding sleeve；The commutation ratchet mechanism that can unidirectionally limit ballscrew nut fitting rotation is provided between sliding sleeve and ballscrew nut fitting.Lead screw transmission mechanism is formed by ballscrew nut fitting and screw rod, and due to being rotatablely connected between ballscrew nut fitting and sliding sleeve, when opening, collapsing supporting leg, pull rod can generate corresponding power upward or downward on sliding sleeve, power upward or downward is generated on ballscrew nut fitting, active force will drive ballscrew nut fitting and rotate at this time, and it drives to slide over simultaneously and be slid on screw rod, sliding sleeve and supporting leg are being connected by pull rod, so that the opening of supporting leg is consistent under the action of sliding sleeve and pull rod.
Description
Technical field
The present invention relates to total station support technology field, in particular to a kind of level and tripod thereon.
Background technique
Level is the instrument for establishing horizontal line of sight measurement ground point-to-point transmission height difference.Principle is to be surveyed according to measurement of the level principle
Height difference between amount ground point.Main component has telescope, pipe spirit level (or compensator), vertical axis, pedestal, foot screw.
The Chinese patent that Authorization Notice No. is CN205859537U, the applying date is on May 31st, 2016 discloses a kind of survey
Draw instrument tripod, including installation holder, more one end and the hinged support rod of the installation holder, the support rod it is another
End is rotatably connected to a positioning disk for having more mounting rods, and more mounting rod front ends distributions are connected with different for supporting
Positioning member on the ground is connect, is arranged between the support rod and the positioning disk for positioning the positioning disk in the branch
The positioning component of position on strut.
Wherein, it since three support rod needs are controlled respectively, goes forward side by side so that needing once to open when in use
The adjustment of row difference, not only needs to adjust the size of every support rod opening, but also needs to carry out the adjusting of length for environment,
It is relatively complicated.
Summary of the invention
The purpose of the present invention one is to provide a kind of tripod convenient to use, has the effect of facilitating opening, folding.
Above-mentioned technical purpose one of the invention has the technical scheme that
A kind of tripod, including pedestal and several supporting legs, the bottom of the pedestal are vertically installed with a screw rod, the screw rod
On be provided with sliding sleeve, be rotatably connected to a ballscrew nut fitting connecting with wire rod thread on the sliding sleeve, the supporting leg with
Pull rod is hingedly connected between sliding sleeve；Ball screw nut can unidirectionally be limited by being provided between the sliding sleeve and ballscrew nut fitting
The commutation ratchet mechanism of pair rotation.
So set, lead screw transmission mechanism is formed by ballscrew nut fitting and screw rod, simultaneously as using rolling
Ballscrew pair of nut, and be rotatablely connected between ballscrew nut fitting and sliding sleeve, when opening, collapsing supporting leg, pull rod can be in sliding sleeve
It is upper to generate corresponding power upward or downward, i.e., power upward or downward is generated on ballscrew nut fitting, at this time active force
Will drive ballscrew nut fitting to rotate, and drive simultaneously and slide over and slid on screw rod, by pull rod connect sliding sleeve with
Supporting leg, so that the opening of supporting leg is consistent under the action of sliding sleeve and pull rod.
Further preferably, the commutation ratchet mechanism includes:
One ratchet is integrally formed on lifting nut outer wall；
One shifting block, is embedded in sliding sleeve, is provided with positive pawl and anti-pawl, the pawl point of the positive pawl and anti-pawl
It is oppositely arranged；
One toggle is engaged for stirring shifting block with controlling positive pawl/anti-pawl with ratchet.
So set, stirring shifting block by stirring toggle, engaged with this to control positive pawl or anti-pawl with ratchet, from
And the one direction of ratchet is defined, realize the one-directional rotation and commutation of ratchet.
Further preferably are as follows: be provided with the arc for installing shifting block in the sliding sleeve and be embedded chamber.
So set, limiting to shifting block, it move it can only slightly, and be embedded when engaging with ratchet by arc
The side wall of chamber forms one-way check, starts the unidirectional limit to ratchet.
Further preferably are as follows: the shifting block is in crescent shape, its back side is provided with the allocating slot of arc；It is arranged on the toggle
There is a driving lever, one end of the driving lever is connected on the allocating slot of shifting block.
So set, driving driving lever to move in allocating slot, to push shifting block that small size pendulum occurs when stirring toggle
It is dynamic, realize the replacement that positive pawl and anti-pawl are engaged with ratchet.
Further preferably are as follows: the shaft along the setting of screw rod direction of axis line is provided on the toggle, the driving lever is vertical
It is set in shaft.
So set, so that driving lever be driven to rotate around the shaft, and then pushing and dialling by rotation toggle come rotating shaft
Small size swing occurs for block, realizes the replacement that positive pawl and anti-pawl are engaged with ratchet.
Further preferably are as follows: the toggle is fixed on a worm screw, and the driving lever is set to an axial line and screw rod axial line
On parallel turbine, the worm screw engages with turbine.
So set, controlling the swing of driving lever by turbine and worm, realize what positive pawl and anti-pawl were engaged with ratchet
Replacement, in addition, it reversely can only can not push driving lever to swing by unidirectional control, shifting block.
Further preferably are as follows: the driving lever is an elastic telescopicing rod.
So set, the positive and negative pawl on shifting block can play the role of unidirectionally limiting ratchet, but simultaneously, unavoidably
Pawl still can cause resistance to the rotation of ratchet, and by the setting of elastic telescopicing rod, the resistance of generation can be effectively reduced
Power.
Further preferably are as follows: the both ends of the sliding sleeve pass through bearing and connect with ballscrew nut fitting, the ratchet position
Between two bearings.
So set, realizing the rotation connection between sliding sleeve and ballscrew nut fitting by the setting of shaft.
The purpose of the present invention two is to provide a kind of level.
Above-mentioned technical purpose two of the invention has the technical scheme that
A kind of level, including inspection apparatus and above-mentioned tripod, the inspection apparatus is installed on the pedestal of tripod
On.
In conclusion the invention has the following advantages: multiple supporting legs, which may be implemented, synchronizes opening and closing
Operation, and by the setting of commutation ratchet mechanism, unidirectional limit can be carried out to supporting leg, so that when in use can be stable
It is placed on the ground, and can be opened when not in use to avoid supporting leg.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of embodiment one；
Fig. 2 is the structural schematic diagram of guide rod and sliding sleeve in embodiment one；
Fig. 3 is the cross-sectional view of guide rod and lantern ring in embodiment one；
Fig. 4 is the portion the A enlarged drawing of Fig. 3；
Fig. 5 is the structural schematic diagram of guide rod and sliding sleeve in embodiment two.
In figure, 1, inspection apparatus；2, tripod；21, pedestal；22, supporting leg；3, screw rod；4, sliding sleeve；5, pull rod；61, it dials
Button；611, driving lever；612, shaft；613, worm screw；614, turbine；62, ratchet；621, hollow rods；622, spring；63, shifting block；
631, anti-pawl；632, positive pawl；633, allocating slot；7, ballscrew nut fitting；8, bearing.
Specific embodiment
Below in conjunction with attached drawing, invention is further described in detail.
This specific embodiment is only explanation of the invention, is not limitation of the present invention, those skilled in the art
Member can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but as long as at this
All by the protection of Patent Law in the protection scope of invention.
Embodiment 1: a kind of tripod, as shown in Figure 1, including pedestal 21 and three supporting legs 22, one end of supporting leg 22 is rotated
It is connected on pedestal 21, and three supporting legs 22 are uniformly distributed around the center of pedestal 21, wherein the supporting leg 22 in the present embodiment is length
Spend adjustable supporting leg 22.
Referring to Fig.1, it is vertically installed with a screw rod 3 in the bottom of pedestal 21, screw rod 3 is set on the center of pedestal 21, in silk
Sliding sleeve 4 is provided on bar 3, there are three pull rods 5, three pull rods 5 to be uniformly distributed around 4 axle center of sliding sleeve for articulated connection on sliding sleeve 4, and three
The other end of pull rod 5 is hingedly connected on three supporting legs 22, the side for being connect three supporting legs 22 with sliding sleeve 4 by pull rod 5
Formula allows three supporting legs 22 while axially sliding on screw rod 3, to synchronize opening and gathering with sliding sleeve 4.
As shown in Figures 2 and 3, a ballscrew nut fitting 7,7 spiral shell of ballscrew nut fitting are rotatably connected on sliding sleeve 4
Line is connected on screw rod 3, forms lead screw transmission mechanism between screw rod 3, is arranged with bearing 8 at the both ends of ballscrew nut fitting 7,
The rotation connection of sliding sleeve 4 and ballscrew nut fitting 7 is realized by two bearings 8.
Referring to Fig. 2, Fig. 3 and Fig. 4, commutation ratchet mechanism is provided between sliding sleeve 4 and ballscrew nut fitting 7, commutate ratchet
The effect of mechanism is unidirectionally to limit the rotation of ballscrew nut fitting 7 and can carry out the transformation in limitation direction by adjusting.Wherein,
The commutation ratchet mechanism includes ratchet 62, shifting block 63 and toggle 61, and ratchet 62 is integrally formed at the outer wall of ballscrew nut fitting 7
On, and be set between two bearings 8, with the concentric setting of ballscrew nut fitting 7.
Referring to Fig. 4, it is provided with the arc for installing shifting block 63 in sliding sleeve 4 and is embedded chamber, shifting block 63 is embedded in sliding sleeve 4
Arc be embedded on chamber, shifting block 63 is in crescent shape, and the radian of one end end face relative to ratchet 62 is greater than the outer circle of ratchet 62,
It is provided with positive pawl 632 and anti-pawl 631 on arcwall face, the pawl point of positive pawl 632 and anti-pawl 631 is tilted towards center
And be oppositely arranged, and positive pawl 632 and anti-pawl 631 must have one to engage with ratchet 62 when in use, in the present embodiment, when
When positive pawl 632 is engaged with ratchet 62, supporting leg 22 can open, and when anti-pawl 631 is engaged with ratchet 62, supporting leg 22 can be opened
It opens.
As shown in figure 4, the allocating slot 633 of arc is provided at the back side of shifting block 63, as shown in Fig. 2, being provided on toggle 61
Along the shaft 612 of 3 direction of axis line of screw rod setting, i.e. shaft 612 is parallel with screw rod 3.As shown in figure 4, in the side wall of shaft 612
On be provided with a spliced eye, a driving lever 611, axis of the driving lever 611 perpendicular to shaft 612 are inserted on the spliced eye of shaft 612
Heart line and being located at the axial line of shaft 612 is same as in plane, wherein driving lever 611 is an elastic telescopicing rod, including spring 622
With hollow rods 621, closed at one end, one end of the hollow rods 621 are provided with opening, and the one end for being provided with opening is inserted in
In shaft 612, the other end is abutted with the allocating slot 633 at 63 back side of shifting block, and spring 622 is set in spliced eye, one end and spliced eye
Bottom abuts, the other end is inserted in the end abutment in hollow rods 621 with hollow rods 621, passes through the elastic force of spring 622
So that hollow rods 621 are pressed on the allocating slot 633 at 63 back side of shifting block.
When in use, it is mobile to control shifting block 63 to stir toggle 61, regulates the pawl engaged on shifting block 63 with ratchet 62
(i.e. positive pawl 632 and anti-pawl 631), when needing to open supporting leg 22, rotation toggle 61 rotates shaft 612, thus band
Dynamic driving lever 611 is swung, and engages positive pawl 632 with ratchet 62,4 edge of sliding sleeve can be made by moving a lifting landing leg 22 at this time
Guide roller slides downwards, and due to the sliding of sliding sleeve 4, and other two lifting landing legs 22 are all hinged on sliding sleeve 4 by pull rod 5
On, at this point, other two lifting landing leg 22 can also open therewith, it is placed on the ground after regulating opening size, passes through spine
The setting of wheel 62 and positive pawl 632, so that screw thread can not rotate backward, therefore sliding sleeve 4 will not be gone up, and thus obtain stable knot
Structure；
When needing to pack up, can be packed up after stirring toggle 61 by plectrum.
Embodiment 2: as shown in figure 5, difference from example 1 is that, toggle 61 is in the shape of a rod, and one end is fixed on one
On worm screw 613, worm screw 613 is set in the plane vertical with screw rod 3, and a turbine 614,614 axle center of turbine are provided in sliding sleeve 4
Line is parallel with screw rod 3 and engages with worm screw 613, the lower section of turbine 614 is provided with a shaft 612, on the side wall of shaft 612
It is provided with a spliced eye, a driving lever 611, axle center of the driving lever 611 perpendicular to shaft 612 are inserted on the spliced eye of shaft 612
Line and in the same plane with the axial line of shaft 612, wherein driving lever 611 is an elastic telescopicing rod, including 622 He of spring
Hollow rods 621, closed at one end, one end of the hollow rods 621 are provided with opening, and the one end for being provided with opening, which is inserted in, to be turned
On axis 612, the other end is abutted with the allocating slot 633 at 63 back side of shifting block, and spring 622 is set in spliced eye, the bottom of one end and spliced eye
Portion abuts, the other end is inserted in the end abutment in hollow rods 621 with hollow rods 621, is made by the elastic force of spring 622
Hollow rods 621 are obtained to be pressed on the allocating slot 633 at 63 back side of shifting block.
The present embodiment the difference from embodiment 1 is that, by the setting of 614 worm screw 613 of turbine, so that driving lever 611 can not
It is reversed that turbine 614 is driven to rotate, avoid the problem that toggle 61 occurs to rotate automatically when in use.
Embodiment 3: a kind of level, as shown in Figure 1, including the tripod 2 in inspection apparatus 1 and embodiment 1, somascope
Device 1 is installed on the pedestal 21 of tripod 2.
Embodiment 4: a kind of level, as shown in Figure 1, including the tripod 2 in inspection apparatus 1 and embodiment 2, somascope
Device 1 is installed on the pedestal 21 of tripod 2.
Claims (8)
1. a kind of tripod, including pedestal (21) and several supporting legs (22), it is characterized in that: the bottom of the pedestal (21) is vertically set
It is equipped with a screw rod (3), is provided with sliding sleeve (4) on the screw rod (3), one and screw rod (3) spiral shell are rotatably connected on the sliding sleeve (4)
The ballscrew nut fitting (7) of line connection, is hingedly connected with pull rod (5) between the supporting leg (22) and sliding sleeve (4)；The sliding sleeve
(4) the commutation ratchet mechanism that can unidirectionally limit ballscrew nut fitting (7) rotation is provided between ballscrew nut fitting (7)；
The commutation ratchet mechanism includes:
One ratchet (62), is integrally formed on lifting nut outer wall；
One shifting block (63) is embedded in sliding sleeve (4), is provided with positive pawl (632) and anti-pawl (631), the positive pawl
(632) it is oppositely arranged with the pawl point of anti-pawl (631)；
One toggle (61) is engaged for stirring shifting block (63) with controlling positive pawl (632)/anti-pawl (631) with ratchet (62).
2. a kind of tripod according to claim 1, it is characterized in that: being provided in the sliding sleeve (4) for installing shifting block
(63) arc is embedded chamber.
3. a kind of tripod according to claim 2 is set it is characterized in that: the shifting block (63) is in crescent shape at its back side
It is equipped with the allocating slot (633) of arc；It is provided with a driving lever (611) on the toggle (61), one end of the driving lever (611) is connected to
On the allocating slot (633) of shifting block (63).
4. a kind of tripod according to claim 3, it is characterized in that: being provided on the toggle (61) along screw rod (3) axis
The shaft (612) of heart line direction setting, the driving lever (611) are vertically installed on shaft (612).
5. a kind of tripod according to claim 3, it is characterized in that: the toggle (61) is fixed on a worm screw (613),
The driving lever (611) is set on the turbine (614) an of axial line and screw rod (3) axis parallel, the worm screw (613) and turbine
(614) it engages.
6. a kind of tripod according to claim 3 or 4 or 5, it is characterized in that: the driving lever (611) is an elastic telescopic
Bar.
7. a kind of tripod according to claim 1, it is characterized in that: the both ends of the sliding sleeve (4) pass through bearing (8) with
Ballscrew nut fitting (7) connection, the ratchet (62) are located between two bearings (8).
8. a kind of level, it is characterized in that: including tripod described in any one of inspection apparatus (1) and claim 1-7
(2), the inspection apparatus (1) is installed on the pedestal (21) of tripod (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710164966.2A CN106969745B (en) | 2017-03-20 | 2017-03-20 | A kind of level and tripod thereon |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710164966.2A CN106969745B (en) | 2017-03-20 | 2017-03-20 | A kind of level and tripod thereon |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106969745A CN106969745A (en) | 2017-07-21 |
| CN106969745B true CN106969745B (en) | 2019-06-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710164966.2A Active CN106969745B (en) | 2017-03-20 | 2017-03-20 | A kind of level and tripod thereon |
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| CN (1) | CN106969745B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107479012B (en) * | 2017-08-08 | 2019-12-03 | 黑龙江省地球物理地球化学勘查院 | A kind of magnetic sample measurement device of simplicity |
| CN108269410A (en) * | 2017-12-27 | 2018-07-10 | 夏荣华 | A kind of speed measurer for motor vehicle and method based on Internet of Things |
| CN108180355B (en) * | 2017-12-28 | 2019-09-13 | 苏州市测绘院有限责任公司 | A kind of mapping auxiliary tool and its application method |
| CN108343825B (en) * | 2018-03-01 | 2020-09-01 | 常州工学院 | Triangular support device convenient to operate and operation method thereof |
| CN108361521B (en) * | 2018-03-01 | 2020-09-01 | 常州工学院 | Tripod leg telescopic opening mechanism and adjusting method thereof |
| CN109506107B (en) * | 2019-01-18 | 2020-07-14 | 温州市大众城建监理有限公司 | Level gauge for building supervision |
| CN110848517A (en) * | 2019-11-18 | 2020-02-28 | 于灏 | Internet of things-based portable video recording equipment for computer |
| CN110847682B (en) * | 2019-11-26 | 2021-05-28 | 六安永贞匠道机电科技有限公司 | Base component of 5G signal supporting tower |
| CN111077596A (en) * | 2020-03-11 | 2020-04-28 | 曾超 | Portable gas phase environment monitoring equipment |
| CN113772091A (en) * | 2021-09-14 | 2021-12-10 | 海安市华军测量有限责任公司 | Engineering measuring equipment based on unmanned aerial vehicle |
| CN114964174B (en) * | 2022-01-12 | 2023-09-05 | 华北水利水电大学 | City design that conveniently accomodates is with location measuring device |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4589523A (en) * | 1984-02-10 | 1986-05-20 | Rose Manufacturing Company | Fall arrester and emergency retrieval apparatus and anchor apparatus therefor |
| JP4247475B2 (en) * | 2003-11-19 | 2009-04-02 | 茂 高橋 | Automotive window glass removal equipment |
| CN103234569B (en) * | 2013-04-26 | 2016-02-17 | 湖南航天环宇通信科技股份有限公司 | Antenna measurement frame |
| CN204005105U (en) * | 2014-06-16 | 2014-12-10 | 苏州华徕光电仪器有限公司 | A kind of portable tripod for optical survey instrument |
| CN204439397U (en) * | 2015-03-12 | 2015-07-01 | 山东科技大学 | A kind of detachable undisturbed soil sampler device |
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2017
- 2017-03-20 CN CN201710164966.2A patent/CN106969745B/en active Active
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