CN212298378U

CN212298378U - Electronic theodolite

Info

Publication number: CN212298378U
Application number: CN202020507952.3U
Authority: CN
Inventors: 沈树圆
Original assignee: Shaanxi Biechen Air Defense Equipment Facility Detect Co ltd
Current assignee: Shaanxi Biechen Air Defense Equipment Facility Detect Co ltd
Priority date: 2020-01-16
Filing date: 2020-04-08
Publication date: 2021-01-05
Anticipated expiration: 2030-04-08

Abstract

The utility model relates to an electronic theodolite, including measuring apparatu and tripod, the tripod includes the mount pad, articulates a plurality of landing legs on the mount pad, every the landing leg is followed its optional position and is cut formation and mount pad articulated support section I and is kept away from the support section II of mount pad, support section I and keep away from mount pad one end and be provided with flexible chamber along its axial, support section I and keep away from mount pad one end swivelling joint has the fine setting nut, fine setting nut threaded connection has the telescopic link, the telescopic link with support II coaxial fixed connections in section, the utility model discloses have the effect of the coarse level regulation of being convenient for.

Description

Electronic theodolite

Technical Field

The utility model belongs to the technical field of measuring equipment's technique and specifically relates to an electronic theodolite is related to.

Background

The theodolite is a measuring instrument for measuring horizontal angles and vertical angles designed according to the angle measuring principle, and is divided into an optical theodolite and an electronic theodolite, and the electronic theodolite is the most commonly used instrument at present. During measurement, a theodolite is arranged on a tripod, the center of the instrument is aligned to a ground measuring station by a plumb ball or an optical plummet, the instrument is leveled by a level gauge, a measuring target is aimed by a telescope, a horizontal angle and a vertical angle are measured by a horizontal dial and a vertical dial, and leveling is generally performed after rough leveling. The traditional rough leveling is usually performed through the support legs of a telescopic tripod, but the telescopic amount of the support legs of the tripod is manually operated and is difficult to control, so that the rough leveling can be completed only by performing multiple times of telescopic operation.

Chinese patent with an authorization notice number of CN206573098U discloses a theodolite, including stabilizer blade and base, the thing chamber is put in stabilizer blade cavity formation, it is equipped with the umbrella to put the thing intracavity, and it is equipped with articulated portion to show that to put the thing intracavity, the umbrella stick of umbrella with articulated portion who puts the thing chamber is articulated. Above-mentioned technical scheme is through setting up the umbrella in the stabilizer blade to when rainy or sunshine are too strong, the user can take out the umbrella rapidly and shelter from sunshine or rainwater, thereby avoids the damage of theodolite to a certain extent.

The above prior art solutions have the following drawbacks: the umbrella is arranged on the supporting leg, but the rough leveling adjustment of the theodolite is usually realized by adjusting the supporting leg, and the umbrella causes inconvenience of the rough leveling adjustment of the theodolite.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a theodolite convenient to carry out rough level and adjust to the not enough of prior art existence.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme: the utility model provides an electronic theodolite, includes measuring apparatu and tripod, the tripod includes the mount pad, articulates a plurality of landing legs on the mount pad, every the landing leg is followed its optional position and is cut formation and mount pad articulated support section I and keep away from the support section II of mount pad, support section I is kept away from mount pad one end and is provided with flexible chamber along its axial, support section I and keep away from mount pad one end swivelling joint has the fine setting nut, fine setting nut threaded connection has the telescopic link, the telescopic link with II coaxial fixed connection in support section.

Through adopting above-mentioned technical scheme, the electron theodolite is after erectting the completion, and rotatory fine setting nut stretches out or contracts to flexible intracavity in order to drive the telescopic link, has adjusted the length of landing leg like this, because the screw thread interval of nut equals, therefore the rotatory round of fine setting nut makes the length that the telescopic link extends or contract certain, because the screw thread has self-locking function after adjusting the completion, consequently adjust the length of landing leg after the completion with automatic fixation, made things convenient for the rough level regulation of the device like this.

The present invention may be further configured in a preferred embodiment as: the telescopic cavity is internally provided with a plurality of guide blocks along the axial direction of the supporting leg, and the telescopic rod is provided with a plurality of guide grooves along the axial direction of the supporting leg.

Through adopting above-mentioned technical scheme, when the telescopic link slided in flexible intracavity, the guide block guided the telescopic link with the guide way cooperation, has improved the device's reliability like this.

The present invention may be further configured in a preferred embodiment as: the end face, far away from the mounting seat, of one end of the supporting section I is provided with an annular rotating ring, the rotating ring is far away from one end of the mounting seat and is provided with a clamping ring, and the fine adjustment nut is far away from a rotating cavity and a clamping groove, which are communicated with each other, corresponding to the rotating ring and the clamping ring.

Through adopting above-mentioned technical scheme, rotatory ring has realized that fine setting nut is connected with the rotation that supports section I with rotatory ring, and the joint ring has prevented that rotatory ring from deviating from the swivelling chute with the joint groove, has realized the swivelling joint of fine setting nut and support section I like this.

The present invention may be further configured in a preferred embodiment as: the supporting section I with be provided with the expansion bracket between the mount pad, the expansion bracket is provided with the sliding tray along its axial correspondence the landing leg, the expansion bracket is kept away from be provided with fixing device on the supporting seat one end perisporium.

Through adopting above-mentioned technical scheme, set up the expansion bracket between support section I and the mount pad, the expansion bracket corresponds the landing leg and sets up the sliding tray for the landing leg is collapsible to the expansion bracket when not using in, can fix landing leg roll-off expansion bracket and use fixing device with the position between landing leg and the expansion bracket when using, and the landing leg is contracted to can reduce the device's volume after the expansion bracket, conveniently carries.

The present invention may be further configured in a preferred embodiment as: one end, far away from the mounting seat, of the supporting section II is provided with a supporting ball, and the supporting ball is provided with a fixing nail in a telescopic mode.

Through adopting above-mentioned technical scheme, support section II and keep away from mount pad one end and set up the support ball, when the support ball was applicable to ground and is the plane, scalable setting up the staple in the support ball, but protractile staple and fix the device with the staple nail ground of pegging into when ground is soft, improved the suitability of the device like this.

The present invention may be further configured in a preferred embodiment as: the support ball is provided with a through hole towards the ground, and the fixing nail is inserted in the through hole in a sliding manner.

Through adopting above-mentioned technical scheme, the support ball sets up the through-hole towards ground to with the staple slip grafting in the through-hole, make the staple slide and nail into ground in the through-hole when ground is soft, the staple slides from ground in the through-hole when ground is harder, makes support ball and ground contact.

The present invention may be further configured in a preferred embodiment as: the supporting ball is provided with a communicating fixed groove in the axial direction of the through hole, the fixed groove is formed in the side, close to the mounting seat, of the supporting ball, the fixing nail corresponds to the fixed groove, and the supporting ball corresponds to the fixed block and is arranged on the inner wall of the through hole.

Through adopting above-mentioned technical scheme, the staple makes the fixed block be in the fixed slot when not using, prescribes a limit to the position of staple, makes the fixed block be in the work inslot when the staple uses, leads along the axial slip of through-hole by fixed block and fixed slot to the staple, improves the device's reliability like this.

The present invention may be further configured in a preferred embodiment as: an elastic device is arranged between the fixing nail and the supporting ball, and the elastic device enables the fixing nail to have the tendency of moving towards the ground.

Through adopting above-mentioned technical scheme, resilient means has guaranteed that the staple can make the fixed block stably be in the fixed slot when not using, exerts the thrust towards ground for the staple when the staple uses.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the fine adjustment nut is rotated to drive the telescopic rod to extend or retract into the telescopic cavity, so that the length of the supporting leg is adjusted, the fine adjustment nut rotates for a circle to enable the length of the telescopic rod to be fixed due to equal thread intervals of the nut, and the length of the supporting leg is automatically fixed after the adjustment is finished due to the self-locking function of the threads after the adjustment is finished, so that the rough and flat adjustment of the device is facilitated;

2. the fixing nails are positioned in the fixing grooves or the working grooves, so that the device can be suitable for the ground with soft soil or hard soil, and the applicability of the device is improved.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is A cross-sectional view of section A-O-A of FIG. 1;

FIG. 3 is an enlarged view of portion B of FIG. 2;

fig. 4 is an enlarged schematic view of the portion C in fig. 2.

In the figure, 1, a measuring instrument; 2. a tripod; 21. a mounting seat; 22. a support leg; 221. a support section I; 2211. a telescoping chamber; 2212. fine adjustment of the nut; 2213. a guide block; 2214. a rotating ring; 2215. a snap ring; 2216. a rotating chamber; 2217. a clamping groove; 222. a support section II; 2221. a telescopic rod; 2222. a guide groove; 23. a support ball; 231. a through hole; 232. fixing nails; 2321. a fixed block; 233. fixing grooves; 234. a working groove; 24. an elastic device; 3. a telescopic frame; 31. a sliding groove; 4. and (4) a fixing device.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, for the utility model discloses an electronic theodolite, including measuring apparatu 1 and tripod 2, tripod 2 includes mount pad 21, articulates a plurality of expansion bracket 3 on mount pad 21, with a plurality of landing legs 22 of expansion bracket 3 sliding connection and fixed setting keep away from the support ball 23 of mount pad 21 one side at landing leg 22. In this embodiment, the number of the telescopic frame 3, the number of the legs 22, and the number of the telescopic frame 3 are three.

Referring to fig. 2 and 3, each leg 22 is cut along any position thereof to form a support section i 221 hinged to the mounting seat 21 and a support section ii 222 far away from the mounting seat 21, a telescopic cavity 2211 is axially arranged at one end of the support section i 221 far away from the mounting seat 21, a fine adjustment nut 2212 is rotatably connected to one end of the support section i 221 far away from the mounting seat 21, a telescopic rod 2221 is in threaded connection with the fine adjustment nut 2212, and the telescopic rod 2221 is coaxially and fixedly connected with the support section ii 222. In this embodiment, the fine adjustment nut 2212 and the telescopic bar 2221 are both configured as monofilaments.

Referring to fig. 2, an expansion bracket 3 is arranged between the support section i 221 and the mounting seat 21, a sliding groove 31 is arranged on the expansion bracket 3 along the axial direction corresponding to the supporting leg 22, and a fixing device 4 is arranged on the peripheral wall of one end of the expansion bracket 3, which is far away from the supporting seat. One end of the support section II 222, which is far away from the mounting seat 21, is provided with a support ball 23, and the support ball 23 is provided with a fixing nail 232 in a telescopic manner. In this embodiment, the fixing device 4 is a fastening nut, and one end of the fastening nut far away from the screw head abuts against the supporting leg 22.

Referring to fig. 2 and 3, the support section i 221 is provided with a plurality of guide blocks 2213 in the telescopic cavity 2211 along the axial direction of the leg 22, and the telescopic bar 2221 is provided with a plurality of guide grooves 2222 along the axial direction of the leg 22. The one end face that support section I221 kept away from mount pad 21 is provided with annular rotatory ring 2214, and rotatory ring 2214 keeps away from mount pad 21 one end and is provided with joint ring 2215, and fine setting nut 2212 keeps away from corresponding rotatory ring 2214 and joint ring 2215 and is provided with rotatory chamber 2216 and the joint groove 2217 that communicate each other.

Referring to fig. 2 and 4, the support ball 23 is provided with a through hole 231 toward the ground, and the fixing pin 232 is slidably inserted into the through hole 231. The support ball 23 is provided with a fixing groove 233 along the axial direction of the through hole 231, the fixing nail 232 is provided with a fixing block 2321 corresponding to the fixing groove 233, and the support ball 23 is provided with a working groove 234 penetrating through the support ball 23 at the inner wall of the through hole 231 corresponding to the fixing block 2321. Between the staple 232 and the support ball 23, an elastic means 24 is provided, the elastic means 24 giving the staple 232 a tendency to move towards the ground. In this embodiment, the elastic device 24 is a spring, the fixing pin 232 is provided with a stopper near one end of the mounting seat 21, the supporting ball 23 is provided with a mounting groove corresponding to the spring, the depth of the mounting groove is equal to the original length of the spring, and the spring is fixedly connected with the stopper and the supporting ball 23 respectively.

The implementation principle of the embodiment is as follows: after the electronic theodolite is erected, the fixing device 4 is opened to enable the supporting legs 22 to slide out of the sliding grooves 31 of the telescopic frame 3, the measuring instrument 1 is adjusted to a proper position and then the fixing device 4 is fastened in a rotating mode, the fine adjustment nut 2212 is rotated to drive the telescopic rod 2221 to slide in the telescopic cavity 2211, so that the length of the fine adjustment supporting legs 22 roughly levels the measuring instrument 1, when the telescopic rod 2221 slides in the telescopic cavity 2211, the guide block 2213 slides in the guide groove 2222 to guide the telescopic rod 2221 and prevent the supporting section II 222 from synchronously rotating along with the fine adjustment nut 2212 when the fine adjustment nut 2212 is rotated, when the fine adjustment nut 2212 rotates, the rotating ring 2214 and the clamping ring 2215 respectively rotate around the axis of the supporting section I221 in the rotating cavity 2216 and the clamping groove 2217, and the clamping ring 2215 and the clamping groove 2217 prevent the rotating ring 2214 from falling out of the rotating grooves; after the device is placed on the ground, the supporting ball 23 is in contact with the ground, when the soil on the ground is soft, pulling force is applied to the fixing nail 232, the fixing nail 232 moves towards the mounting seat 21 in the through hole 231, the fixing block 2321 is removed from the fixing groove 233, under the action of spring torsion force, the fixing nail 232 is twisted to enable the fixing block 2321 to be twisted to the working groove 234, then the fixing block 2321 slides away from the mounting seat 21 in the working groove 234 under the action of the spring, at the moment, the fixing nail 232 can be nailed into the ground with soft soil, after measurement is completed, the fixing nail 232 is lifted again to enable the fixing nail 232 to slide out of the working groove 234 and twist the fixing nail 232, the fixing block 2321 is twisted to the fixing groove, and under the action of spring pulling force, the fixing nail 232 enters the fixing groove 233 again.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. An electronic theodolite, includes measuring apparatu (1) and tripod (2), its characterized in that: tripod (2) include mount pad (21), articulate a plurality of landing legs (22) on mount pad (21), every landing leg (22) are cut along its optional position and are formed and support section I (221) articulated with mount pad (21) and keep away from support section II (222) of mount pad (21), support section I (221) and keep away from mount pad (21) one end and be provided with flexible chamber (2211) along its axial, support section I (221) and keep away from mount pad (21) one end swivelling joint has fine setting nut (2212), fine setting nut (2212) threaded connection has telescopic link (2221), telescopic link (2221) with support section II (222) coaxial fixed connection.

2. An electronic theodolite according to claim 1, characterized in that: the supporting section I (221) is provided with a plurality of guide blocks (2213) in the telescopic cavity (2211) along the axial direction of the supporting leg (22), and the telescopic rod (2221) is provided with a plurality of guide grooves (2222) along the axial direction of the supporting leg (22).

3. An electronic theodolite according to claim 1, characterized in that: the end face, far away from mounting seat (21), of one end of support section I (221) is provided with annular rotatory ring (2214), rotatory ring (2214) is kept away from mounting seat (21) one end is provided with joint ring (2215), fine setting nut (2212) corresponds rotatory ring (2214) and joint ring (2215) are provided with rotatory chamber (2216) and joint groove (2217) that communicate each other.

4. An electronic theodolite according to claim 1, characterized in that: support section I (221) with be provided with expansion bracket (3) between mount pad (21), expansion bracket (3) are followed its axial and are corresponded landing leg (22) are provided with sliding tray (31), be provided with fixing device (4) on expansion bracket (3) keep away from mount pad (21) one end perisporium.

5. An electronic theodolite according to claim 1, characterized in that: one end, far away from the mounting seat (21), of the support section II (222) is provided with a support ball (23), and the support ball (23) is provided with a fixing nail (232) in a telescopic mode.

6. An electronic theodolite according to claim 5, characterized in that: a through hole (231) is formed in the support ball (23) towards the ground, and the fixing nail (232) is inserted into the through hole (231) in a sliding mode.

7. An electronic theodolite according to claim 6, characterized in that: the supporting ball (23) is provided with a fixing groove (233) along the axial direction of the through hole (231), the fixing nail (232) is provided with a fixing block (2321) corresponding to the fixing groove (233), and the supporting ball (23) is provided with a working groove (234) corresponding to the fixing block (2321) at the inner wall of the through hole (231).

8. An electronic theodolite according to claim 5, characterized in that: an elastic device (24) is arranged between the fixing nail (232) and the supporting ball (23), and the elastic device (24) enables the fixing nail (232) to have the tendency of moving towards the ground.