CN203811166U

CN203811166U - Theodolite

Info

Publication number: CN203811166U
Application number: CN201420254465.5U
Authority: CN
Inventors: 涂安东
Original assignee: Individual
Current assignee: Individual
Priority date: 2014-05-19
Filing date: 2014-05-19
Publication date: 2014-09-03
Anticipated expiration: 2024-05-19

Abstract

The utility model discloses a theodolite. The theodolite comprises a bracket, wherein the bracket comprises a support post, a tray and a support leg; the support post comprises a support post shell; an air pressure lifting device is arranged in the support post; the air pressure lifting device comprises an air cylinder; a piston is arranged in the air cylinder; the piston is connected to a piston connection rod which is fixedly connected to the support post shell; a switch bolt is arranged at the bottom of the air cylinder and connected with a pedal plate outside the air cylinder through an adjusting rod; the tray is arranged at the top end of the support post and fixedly connected to the support post shell; the support leg is arranged at the bottom of the support post. From the view of the actual use of the equipment, the theodolite avoids the defects of the prior art, so that the bracket of the theodolite is good in stability, convenient to adjust and capable of conveniently storing drawing papers, thereby reducing the measurement error and reducing the possibility of causing damage to the theodolite; meanwhile, the theodolite is convenient to carry.

Description

Transit

Technical field

The utility model relates to the mapping equipment of a kind of city planning and construction field, particularly a kind of transit.

Background technology

In city planning and building, mapping operations is absolutely necessary, and the transit that Surveying and Mapping Industry staff uses is the instrument for measuring horizontal angle and vertical angle, and according to angle measuring principle design, at present the most frequently used is optical theodolite.The effect that the support of transit plays support, stablizes and locate, the support that existing transit uses is tripod, the structure of tripod is three legs linearly now, then the pallet of fixing transit is set at leg top, and this tripod is because be the framed structure of triangle vertebra, so when some is local fixing, stability is not so good, and because center of gravity is on the upper side, transit is easy to fall down, and causes the damage of equipment.And because linearly type of leg has regulated after the height of all angles, in the time that terrain feature is more rugged and rough, be not easy to fix so that transit to be installed, if support is unstable, will easily affect the use of professional equipment.The height of tripod support regulate conventionally want a pin of a pin go adjust, regulate very trouble, people operates will be more difficult, and the levelness regulating exists larger error, this just makes troubles to rigorous mapping operations.And pallet setting is also all fairly simple, do not place the place of the mapping instruments such as drawing, lattice chi and pencil, staff uses and is not very convenient.And because the stent length of transit is longer, carry also inconvenient.

Utility model content

For above-mentioned deficiency of the prior art, the utility model provides a kind of technical scheme of rational in infrastructure, easy to operate, good stability, thereby reduces measuring error, reduces the probability of instrument damage.

Technical solution adopted in the utility model is:

A kind of transit, comprise telescope, telescope final motion screw, level braking, horizontal final motion screw, optical foresight, object lens focusing, eyepiece focusing, circle reading focusing of microscope, perpendicular dish index pipe level final motion screw, optical centering device, pedestal circular bubble, altitude circle, vertical circle illuminated mirror, alidade pipe level and horizontal dial evolution handwheel, also comprise support, described support comprises pillar, pallet and leg, described pillar comprises pillar shell, described pillar inside is provided with pressure liftable device, described pressure liftable device comprises cylinder, in cylinder, be provided with piston, described piston is connected with the piston rod being fixedly connected on pillar shell, the bottom of described cylinder is provided with switch and fastens, described shut off valve is connected with the pedal of cylinder outside by adjuster bar, the top that described pallet is arranged on pillar is fixedly connected with pillar shell, and described leg is arranged on the bottom of pillar.

Described leg comprises feet and extension, and described extension inside is provided with telescopic prop, and one end of telescopic prop is stretched in extension, and the other end connects feet, and a side of described telescopic prop arranges guide groove along its length; Between described feet and telescopic prop, connect by hinge axis, the junction of described feet and telescopic prop is provided with bolt.

Described extension comprises middle pipe and upper pipe, and the diameter of described upper pipe is greater than the diameter of middle pipe, and described middle pipe and upper pipe are encasement tube structure, on described upper pipe, adjusting bolt is set.

Described leg is connected with a column bottom by contiguous block, and described contiguous block is connected by hinge axis with a column bottom, and described contiguous block is provided with limited bayonet, and described column bottom is provided with the positioning shift fork corresponding with described limited bayonet.

Described leg is 3 or 4, and described leg annular is distributed on the bottom of pillar.

Described pallet comprises outer disk and core dish, the diameter of described core dish is less than the diameter of outer disk, described outer disk is made as the two-layer up and down of both-side opening, centre is cavity, described core dish is positioned at described cavity, the lower floor of described outer disk is fixed with joint pin, and on the upper strata of described outer disk and core dish, correspondence position is provided with penetrating circular hole, and described joint pin is through circular hole.

The beneficial effect of the relative prior art of the utility model:

The utility model transit, from the actual use angle of equipment, has overcome deficiency of the prior art, make the support of transit there is stability good, easy to adjust, deposit drawing convenient, thereby reduce measuring error, reduced the probability of instrument damage, and be easy to carry.

Brief description of the drawings

Fig. 1 is the utility model transit support structural representation;

Fig. 2 is the utility model transit pressure liftable apparatus structure schematic diagram;

Fig. 3 is the utility model transit support holder structure schematic diagram;

Fig. 4 is the utility model transit A place partial enlarged drawing.

Critical piece symbol description in accompanying drawing:

In figure:

1, support 2, pillar

3, pallet 4, leg

5, pillar shell 6, cylinder

7, piston 8, piston rod

9, shut off valve 10, adjuster bar

11, pedal 12, feet

13, bolt 14, middle pipe

15, upper pipe 16, adjusting bolt

17, contiguous block 18, limited bayonet

19, positioning shift fork 20, outer disk

21, core dish 22, joint pin.

Embodiment

Referring to drawings and Examples, the utility model is described in detail:

By accompanying drawing 1, accompanying drawing 2, accompanying drawing 3 and accompanying drawing 4 are known, a kind of transit, comprise telescope, telescope final motion screw, level braking, horizontal final motion screw, optical foresight, object lens focusing, eyepiece focusing, circle reading focusing of microscope, perpendicular dish index pipe level final motion screw, optical centering device, pedestal circular bubble, altitude circle, vertical circle illuminated mirror, alidade pipe level and horizontal dial evolution handwheel, also comprise support 1, described support 1 comprises pillar 2, pallet 3 and leg 4, described pillar 2 comprises pillar shell 5, described pillar 2 inside are provided with pressure liftable device, described pressure liftable device comprises cylinder 6, in cylinder 6, be provided with piston 7, described piston 7 is connected with the piston rod 8 being fixedly connected on pillar shell 5, the bottom of described cylinder 6 is provided with switch and fastens 9, described shut off valve 9 is connected with the pedal 11 of cylinder 6 outsides by adjuster bar 10, the top that described pallet 3 is arranged on pillar 2 is fixedly connected with pillar shell 5, and described leg 4 is arranged on the bottom of pillar 2.The support 1 of transit reduces the vertical height of leg 4, pillar 2 parts are increased, make the decentralization of whole support 1, increase the stability of support, and be provided with pressure liftable device in the inside of pillar 2, engineering mapping personnel are operated very convenient, needn't remove debugging height by single leg.In the time of smooth surface work, the moving pedal 11 that only need tramp with one's feet, the high pressure nitrogen in pressure liftable device, under the effect of piston 7 and piston rod 8, will drive pillar 2 liftings, very convenient; Described leg 4 comprises feet 13 and extension, and described extension inside is provided with telescopic prop, and one end of telescopic prop is stretched in extension, and the other end connects feet, and a side of described telescopic prop arranges guide groove along its length; Between described feet and telescopic prop, connect by hinge axis, the junction of described feet and telescopic prop is provided with bolt 13.Feet 13 no time, can be received in extension by telescopic prop, is easy to carry and stores.In the time that support is worked, feet is pulled out in extension, make it to stand on ground perpendicular to extension by hinge axis, and the nut of screwed in place bolt is locked, make it fixing; Described extension comprises middle pipe 14 and upper pipe 15, and the diameter of described upper pipe 15 is greater than the diameter of middle pipe 14, and described middle pipe and upper pipe are encasement tube structure, on described upper pipe 15, adjusting bolt 16 is set.Middle pipe 14 diameters of extension are less than the diameter of pipe 15, when the not used time of support 1, middle pipe 14 can be retracted in upper pipe 15, pull out and regulate length and fixing by adjusting bolt 16 when use; Described leg 4 is connected with pillar 2 bottoms by contiguous block 17, and described contiguous block 17 is connected by hinge axis with pillar 2 bottoms, and described contiguous block 17 is provided with limited bayonet 18, and described column bottom is provided with the positioning shift fork 19 corresponding with described limited bayonet 18.Leg 4 is connected with pillar 2 by hinge axis, can easily leg 4 be packed up and be put down, and is easy to carry, stores and use, and contiguous block 17 is provided with limited bayonet 18 can make leg 4 fixed position in the time of work, makes support 1 steady operation; Described leg is 3 or 4, and described leg annular is distributed on the bottom of pillar; Described pallet 3 comprises outer disk 20 and core dish 21, the diameter of described core dish 21 is less than the diameter of outer disk 20, described outer disk 20 is made as the two-layer up and down of both-side opening, centre is cavity, described core dish 21 is positioned at described cavity, the lower floor of described outer disk is fixed with joint pin 22, and on the upper strata of described outer disk 20 and core dish 21, correspondence position is provided with penetrating circular hole, and described joint pin 22 is through circular hole.The core dish 21 of pallet can be launched easily and be hidden by joint pin 22, has both facilitated staff to deposit data, can not affect again the mapping operations of transit.

Claims

1. a transit, comprise telescope, telescope final motion screw, level braking, horizontal final motion screw, optical foresight, object lens focusing, eyepiece focusing, circle reading focusing of microscope, perpendicular dish index pipe level final motion screw, optical centering device, pedestal circular bubble, altitude circle, vertical circle illuminated mirror, alidade pipe level and horizontal dial evolution handwheel, it is characterized in that: also comprise support, described support comprises pillar, pallet and leg, described pillar comprises pillar shell, described pillar inside is provided with pressure liftable device, described pressure liftable device comprises cylinder, in cylinder, be provided with piston, described piston is connected with the piston rod being fixedly connected on pillar shell, the bottom of described cylinder is provided with switch and fastens, described shut off valve is connected with the pedal of cylinder outside by adjuster bar, the top that described pallet is arranged on pillar is fixedly connected with pillar shell, and described leg is arranged on the bottom of pillar.

2. transit according to claim 1, it is characterized in that: described leg comprises feet and extension, described extension inside is provided with telescopic prop, one end of telescopic prop is stretched in extension, the other end connects feet, and a side of described telescopic prop arranges guide groove along its length; Between described feet and telescopic prop, connect by hinge axis, the junction of described feet and telescopic prop is provided with bolt.

3. transit according to claim 2, is characterized in that: described extension comprises middle pipe and upper pipe, the diameter of described upper pipe is greater than the diameter of middle pipe, and described middle pipe and upper pipe are encasement tube structure, on described upper pipe, adjusting bolt are set.

4. transit according to claim 1, it is characterized in that: described leg is connected with a column bottom by contiguous block, described contiguous block is connected by hinge axis with a column bottom, and described contiguous block is provided with limited bayonet, and described column bottom is provided with the positioning shift fork corresponding with described limited bayonet.

5. transit according to claim 4, is characterized in that: described leg is 3 or 4, and described leg annular is distributed on the bottom of pillar.

6. transit according to claim 5, it is characterized in that: described pallet comprises outer disk and core dish, the diameter of described core dish is less than the diameter of outer disk, described outer disk is made as the two-layer up and down of both-side opening, centre is cavity, and described core dish is positioned at described cavity, and the lower floor of described outer disk is fixed with joint pin, on the upper strata of described outer disk and core dish, correspondence position is provided with penetrating circular hole, and described joint pin is through circular hole.