CN212745840U

CN212745840U - Theodolite

Info

Publication number: CN212745840U
Application number: CN202020891687.3U
Authority: CN
Inventors: 徐坤; 张子江; 王季宁
Original assignee: Ningbo Metallurgical Survey And Design Research Co ltd
Current assignee: Ningbo Metallurgical Survey And Design Research Co ltd
Priority date: 2020-05-25
Filing date: 2020-05-25
Publication date: 2021-03-19
Anticipated expiration: 2030-05-25

Abstract

The utility model relates to a mapping equipment field discloses the theodolite, it includes theodolite body and support, the support includes landing leg and wheel components, wheel components is including the installation pole, gyro wheel and spring, the first groove of accomodating has been seted up to the bottom of landing leg, the groove is accomodate to the second and leads to the groove, the one end and the installation pole of spring link firmly, the other end and the first last cell wall of accomodating the groove of spring link firmly, the mounting groove has still been seted up in the landing leg, install fixed subassembly in the mounting groove, fixed subassembly includes lead screw and two holders, the holder is including the linking arm that is used for connecting the lead screw and the arc clamping jaw that is used for the fixed mounting pole, the outside of landing. The utility model has the advantages that the wheel components are arranged, so that the theodolite can move conveniently, the wheel components are skillfully designed, and the springs can play a role in damping when the theodolite moves; the fixing assembly can clamp and fix the installation rod through the clamping piece, and the stability of the installation rod is effectively improved.

Description

Theodolite

Technical Field

The utility model relates to a mapping equipment field has especially related to the theodolite.

Background

In urban planning and construction, surveying and mapping work is indispensable, and surveying and mapping trade staff often can use the theodolite, and the theodolite is the measuring instrument of measurement horizontal angle and vertical angle that designs according to the angle measurement principle, and it is the mechanical part of telescope, makes the telescope point to different directions, and it has two mutually perpendicular pivots to the azimuth and the level of timing telescope, and the most commonly used is the optics theodolite at present. The support of theodolite plays the effect of supporting, stabilizing and location, and the support that current theodolite used is the tripod, and the structure of present tripod is three landing legs that are the straight line, then sets up the tray of fixed theodolite at the landing leg top, and this kind of tripod is because the frame construction who is the triangular vertebra, so when some places are fixed, stability is not too good. And the theodolite among the prior art is bulky, uses the theodolite when carrying out the survey and drawing operation in the open air, needs to lean on the manual work to remove with the theodolite, brings a lot of difficulties for the survey and drawing operation.

The patent with the Chinese patent number of CN208443380U discloses a theodolite, which comprises a theodolite body, a base arranged on the theodolite body and a bracket for mounting the theodolite body; the support comprises a placing plate for mounting the base and a plurality of support legs arranged on the periphery of the placing plate; the supporting legs are rotatably connected with wheel assemblies, and the supporting legs are provided with locking assemblies for locking the wheel assemblies; the supporting legs are provided with accommodating grooves for accommodating the wheel assemblies; the support also comprises a plurality of stand feet, and each stand foot comprises a connecting rod and a standing rod which are fixed with each other; the hollow one end of keeping away from the pole of standing of connecting rod link up, has seted up the internal thread on the connecting rod inner wall, has seted up on the landing leg outer wall with internal thread fit's external screw thread. The utility model discloses a wheel subassembly and footing through setting up the use of can installing in turn realize the removal of distancer, do not influence standing when surveying and mapping simultaneously. But the utility model discloses an in-service use removes the in-process, need remove two action bars and drop-down slider simultaneously, just can accomodate the extroversion wheel or pull out the use, and the operation is very inconvenient, and the installation pole poor stability of its wheel subassembly, in addition, the footing hangs alone in the landing leg outside, still must take off it during the use and twist again in the landing leg bottom, and the operation is complicated, and its stationarity that is difficult to guarantee several landing legs is used for a long time outdoors and is lost easily.

SUMMERY OF THE UTILITY MODEL

The utility model discloses it is inconvenient to remove the operation to theodolite among the prior art, and shortcoming such as steadiness can be relatively poor provides a remove convenient operation, theodolite that steadiness can be good.

In order to solve the technical problem, the utility model discloses a following technical scheme can solve:

the theodolite comprises a theodolite body and a support, wherein the support comprises a mounting table for mounting the theodolite body and a plurality of support legs for supporting the mounting table, the bottom of each support leg is provided with a roller component, each roller component comprises a mounting rod and a roller, the bottom of each support leg is provided with a first accommodating groove for accommodating the mounting rod, a second accommodating groove for accommodating the roller and a through groove for communicating the first accommodating groove with the second accommodating groove, the roller component also comprises a spring, one end of the spring is fixedly connected with the upper end of the mounting rod, the other end of the spring is fixedly connected with the upper groove wall of the first accommodating groove, when the roller is abutted against the upper groove wall of the second accommodating groove, the spring is in a stretching state, a mounting groove communicated with the first accommodating groove is further formed in each support leg, a fixing component is mounted in the mounting groove and comprises a lead screw and two clamping components, the lead screw is mounted in the mounting groove through a, the lead screw includes that the screw thread revolves to opposite first pole section and second pole section, and two holders are installed respectively on first pole section and second pole section, and the holder is provided with the knob that links firmly with the lead screw tip including the arc clamping jaw that is used for connecting the linking arm of lead screw and is used for the fixed mounting pole, the outside of landing leg. The wheel components which can be accommodated in the supporting legs are arranged, so that the theodolite can be conveniently moved and used, the wheel components are skillfully designed, and the arrangement of the spring is convenient for the automatic accommodation of the wheel and can also play a role in damping when the theodolite moves; the fixing assembly can clamp and fix the installation rod through the clamping piece, the stability of the installation rod is effectively improved, when the roller wheel assembly needs to be used, the knob only needs to be rotated, the knob can be rotated to drive the lead screw to rotate, the lead screw can be rotated to drive the two clamping pieces to realize back-to-back or opposite movement, and therefore clamping and loosening of the installation rod are achieved, and the installation rod is very convenient to use.

Preferably, the mounting rod is provided with a first limiting ring, and when the lower end of the first limiting ring is abutted against the lower groove wall of the first accommodating groove, the roller is positioned below the supporting leg. The first limiting ring can limit the maximum stroke of the downward movement of the mounting rod.

As preferred, still be provided with on the installation pole with arc clamping jaw complex second spacing ring, the arc clamping jaw realizes fixing the installation pole through centre gripping second spacing ring, when the arc clamping jaw centre gripping was on the second spacing ring, the upper and lower both ends of first spacing ring contradict with the lower cell wall in arc clamping jaw and first holding groove respectively. The arc-shaped clamping jaw is matched with the second limiting ring, so that the fixation of the arc-shaped clamping jaw on the mounting rod can be further enhanced, and the stability of the roller assembly is improved.

Preferably, the inner side of the arc-shaped clamping jaw is provided with a limiting groove matched with the second limiting ring. The spacing groove is convenient for hold the second spacing ring.

Preferably, the cross section of landing leg is circular, the arc wall that sets up with the landing leg is concentric still seted up to the bottom of landing leg, install arc leg piece in the arc wall, the upper end of arc leg piece is provided with the movable block, the spout with movable block sliding fit is seted up in the outside of landing leg, spout and arc wall intercommunication, the spout includes parallel arrangement's first cross slot and second cross slot, the spout is still including the spread groove that is used for communicateing first cross slot and second cross slot, when the movable block is located first cross slot, the lower extreme of arc leg piece is located inside the arc wall, when the movable block is located the second cross slot, the lower extreme of arc leg piece stretches out to the arc wall outside. Through setting up arc back foot piece, be convenient for strengthen the subaerial stability of support at moist soil.

Preferably, the first and second lateral grooves are formed along a circumferential direction of the leg, and the connecting groove is formed along a longitudinal direction of the leg. The movement of the slide block is convenient.

Preferably, the lower end of the arc-shaped leg piece is provided with a tip end, and the moving block and the tip end are both positioned on the central line of the arc-shaped leg piece. The tip is arranged to facilitate the arc-shaped support leg piece to be inserted into the ground for use; the moving block and the tip end are both positioned on the central line of the arc-shaped supporting leg piece, so that the overall structure of the arc-shaped supporting leg piece is more coordinated and reasonable.

Preferably, the bottom of the mounting table is further provided with a support rod, and the support rod is provided with a connecting rod for connecting the support leg. The setting of branch and connecting rod can further strengthen support overall structure's steadiness.

The utility model discloses owing to adopted above technical scheme, have apparent technological effect: the utility model discloses a setting can be accomodate the wheel components in the landing leg inside, the removal and the use of theodolite of being convenient for, wheel components design benefit, the setting of spring not only is convenient for the automatic of gyro wheel to accomodate, can also play the cushioning effect when the theodolite removes; the fixing assembly can clamp and fix the mounting rod through the clamping piece, so that the stability of the mounting rod is effectively improved, when the roller assembly needs to be used, only the knob needs to be rotated, the knob can drive the screw rod to rotate, and the screw rod can drive the two clamping pieces to move back to back or in opposite directions, so that the mounting rod is clamped and loosened, and the use is very convenient; through setting up arc back foot piece, be convenient for strengthen the subaerial stability of support at moist soil.

Drawings

Fig. 1 is a schematic view of the structure of the theodolite.

Fig. 2 is a schematic view of the leg structure when using a roller.

Fig. 3 is a schematic view of a leg structure when using an arc-shaped leg piece.

Fig. 4 is a longitudinal sectional view of the leg.

Fig. 5 is a transverse cross-sectional view of the leg.

Fig. 6 is a schematic structural view of the roller.

Fig. 7 is a schematic structural view of the fixing assembly.

Fig. 8 is a schematic structural view of the arc-shaped leg piece.

The names of the parts indicated by the numerical references in the drawings are as follows: 1-theodolite body, 2-mount table, 3-landing leg, 31-first accomodates the groove, 32-second accomodates the groove, 33-logical groove, 34-mounting groove, 35-arc groove, 36-first cross slot, 37-second cross slot, 38-spread groove, 4-roller components, 41-installation pole, 411-first spacing ring, 412-second spacing ring, 42-gyro wheel, 43-spring, 5-fixed subassembly, 51-lead screw, 511-first pole section, 512-second pole section, 52-arc clamping jaw, 521-spacing groove, 53-knob, 6-arc leg piece, 61-movable block, 62-most end, 7-branch, 71-connecting rod.

Detailed Description

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

Example 1

The theodolite, as shown in the figure, includes theodolite body 1 and a support, the support includes a mounting table 2 for mounting theodolite body 1 and a plurality of supporting legs 3 for supporting mounting table 2, in this embodiment, the number of supporting legs 3 is 3, roller assemblies 4 are mounted at the bottoms of supporting legs 3, each roller assembly 4 includes a mounting rod 41 and a roller 42, a first accommodating groove 31 for accommodating mounting rod 41, a second accommodating groove 32 for accommodating roller 42, and a through groove 33 for communicating first accommodating groove 31 and second accommodating groove 32 are formed at the bottom of supporting leg 3, each roller assembly 4 further includes a spring 43, one end of spring 43 is fixedly connected with the upper end of mounting rod 41, the other end of spring 43 is fixedly connected with the upper groove wall of first accommodating groove 31, when roller 42 is abutted against the upper groove wall of second accommodating groove 32, spring 43 is in a stretching state, a mounting groove 34 communicated with first accommodating groove 31 is formed in supporting leg 3, install fixed subassembly 5 in the mounting groove 34, fixed subassembly 5 includes lead screw 51 and two holders, lead screw 51 passes through the bearing and installs in mounting groove 34, lead screw 51 includes that the screw thread is turned to opposite first pole section 511 and second pole section 512, two holders are installed respectively on first pole section 511 and second pole section 512, the holder is including being used for connecting the linking arm of lead screw 51 and being used for the arc clamping jaw 52 of fixed mounting pole 41, the outside of landing leg 3 is provided with the knob 53 that links firmly with lead screw 51 tip. The roller assembly 4 which can be accommodated in the supporting leg 3 is convenient for the theodolite to move and use, the roller assembly 4 is ingenious in design, and the spring 43 is arranged, so that the roller 42 can be automatically accommodated conveniently, and the damping effect can be achieved when the theodolite moves; fixed subassembly 5 can carry out the centre gripping to installation pole 41 through the holder and fix, effectively improves the stability of installation pole 41, when wheel components 4 need to be used, only needs to rotate knob 53, and knob 53 rotates and can drive lead screw 51 and rotate, and lead screw 51 rotates and can drive two and add the piece and realize carrying on the back mutually or move in opposite directions to the realization is to the centre gripping of installation pole 41 and loosen, and it is very convenient to use.

The mounting rod 41 is provided with a first limiting ring 411, and when the lower end of the first limiting ring 411 is abutted against the lower groove wall of the first accommodating groove 31, the roller 42 is located below the supporting leg 3. The first stopper ring 411 can limit the maximum stroke of the downward movement of the mounting rod 41.

The mounting rod 41 is further provided with a second limiting ring 412 matched with the arc-shaped clamping jaw 52, the arc-shaped clamping jaw 52 is fixed to the mounting rod 41 by clamping the second limiting ring 412, and when the arc-shaped clamping jaw 52 is clamped on the second limiting ring 412, the upper end and the lower end of the first limiting ring 411 are respectively abutted against the arc-shaped clamping jaw 52 and the lower groove wall of the first accommodating groove 31. The arc-shaped clamping jaw 52 is matched with the second limiting ring 412, so that the fixation of the arc-shaped clamping jaw 52 to the mounting rod 41 can be further strengthened, and the stability of the roller assembly 4 can be improved.

The inner side of the arc-shaped clamping jaw 52 is provided with a limiting groove 521 matched with the second limiting ring 412. The retainer groove 521 is adapted to receive the second retainer ring 412.

The cross section of landing leg 3 is circular, the arc wall 35 with the 3 concentric settings of landing leg is still seted up to the bottom of landing leg 3, install arc leg piece 6 in the arc wall 35, the upper end of arc leg piece 6 is provided with movable block 61, the spout with movable block 61 sliding fit is seted up in the outside of landing leg 3, the spout communicates with arc wall 35, the spout includes parallel arrangement's first cross slot 36 and second cross slot 37, the spout is still including the spread groove 38 that is used for communicateing first cross slot 36 and second cross slot 37, when movable block 61 is located first cross slot 36, the lower extreme of arc leg piece 6 is located inside arc wall 35, when the movable block 61 is located second cross slot 37, the lower extreme of arc leg piece 6 stretches out to arc wall 35 outside. Through setting up arc back-up foot piece 6, be convenient for strengthen the subaerial stability of support at moist soil.

The first and second

lateral grooves

36, 37 open in the circumferential direction of the leg 3, and the connecting groove 38 opens in the longitudinal direction of the leg 3. The movement of the slide block is convenient.

The utility model discloses a theory of operation: when the theodolite needs to be moved, the roller 42 is pulled downwards to enable the roller 42 to be separated from the second accommodating groove 32 until the lower end of the first limiting ring 411 is abutted against the lower groove wall of the first accommodating groove 31, at the moment, the spring 43 is in a stretching state, and the knob 53 is rotated to enable the two clamping pieces to move relatively until the second limiting ring 412 falls into the limiting groove 521; when the roller 42 is not needed, the knob 53 is rotated reversely, so that the two clamping members move back and forth until the second limiting ring 412 is separated from the limiting groove 521, and the mounting rod 41 and the roller 42 are retracted into the first accommodating groove 31 and the second accommodating groove 32 respectively due to the elastic force of the spring 43; when the arc-shaped supporting leg piece 6 is needed to be used, the sliding block is moved to slide from the first transverse groove 36 to the second transverse groove 37 through the connecting groove 38; when the arc-shaped leg piece 6 is not needed, the sliding block is moved to slide from the second transverse groove 37 to the first transverse groove 36 through the connecting groove 38.

Example 2

Theodolite, as shown in the figure, the present embodiment is different from embodiment 1 in that: the lower end of the arc-shaped supporting leg piece 6 is provided with a tip 62, and the moving block 61 and the tip 62 are both positioned on the central line of the arc-shaped supporting leg piece 6. The tip 62 is arranged to facilitate the insertion of the arc-shaped leg piece 6 into the ground for use; the moving block 61 and the tip 62 are both located on the central line of the arc-shaped leg piece 6, so that the overall structure of the arc-shaped leg piece 6 is more harmonious and reasonable. In this embodiment, two ends of the connecting slot 38 are respectively communicated with the ends of the first transverse slot 36 and the second transverse slot 37 located on the same side, and in order to increase the supporting stability of the arc-shaped leg piece 6, when the slider is located at the other end of the first transverse slot 36 or the other end of the second transverse slot 37, the tip 62 is located on the bisector of the triangle formed by the connecting lines of the fulcrums of the 3 legs 3.

Example 3

Theodolite, as shown in the figure, the present embodiment is different from embodiment 1 in that: the bottom of the mounting table 2 is also provided with a support rod 7, and the support rod 7 is provided with a connecting rod 71 for connecting the supporting leg 3. The arrangement of the strut 7 and the connecting rod 71 can further enhance the stability of the whole structure of the bracket.

Claims

1. Theodolite, including theodolite body (1) and support, the support is including a plurality of landing legs (3) that are used for installing mount table (2) of theodolite body (1) and are used for supporting mount table (2), and wheel components (4), its characterized in that are installed to the bottom of landing leg (3): the roller component (4) comprises a mounting rod (41) and a roller (42), a first accommodating groove (31) for accommodating the mounting rod (41), a second accommodating groove (32) for accommodating the roller (42) and a through groove (33) for communicating the first accommodating groove (31) with the second accommodating groove (32) are formed in the bottom of the supporting leg (3), the roller component (4) further comprises a spring (43), one end of the spring (43) is fixedly connected with the upper end of the mounting rod (41), the other end of the spring (43) is fixedly connected with the upper groove wall of the first accommodating groove (31), when the roller (42) is abutted against the upper groove wall of the second accommodating groove (32), the spring (43) is in a stretching state, an installation groove (34) communicated with the first accommodating groove (31) is further formed in the supporting leg (3), a fixing component (5) is installed in the installation groove (34), the fixing component (5) comprises a screw rod (51) and two clamping components, the screw rod (51) is installed in the installation groove (34) through a bearing, the screw rod (51) comprises a first rod section (511) and a second rod section (512) which are opposite in thread turning direction, two clamping pieces are installed on the first rod section (511) and the second rod section (512) respectively, each clamping piece comprises a connecting arm used for connecting the screw rod (51) and an arc-shaped clamping jaw (52) used for fixedly installing the rod (41), and a knob (53) fixedly connected with the end part of the screw rod (51) is arranged on the outer side of each supporting leg (3).

2. The theodolite of claim 1, wherein: the mounting rod (41) is provided with a first limiting ring (411), and when the lower end of the first limiting ring (411) is abutted against the lower groove wall of the first accommodating groove (31), the roller (42) is positioned below the supporting leg (3).

3. The theodolite of claim 2, wherein: still be provided with on installation pole (41) with arc clamping jaw (52) complex second spacing ring (412), arc clamping jaw (52) realize fixing installation pole (41) through centre gripping second spacing ring (412), when arc clamping jaw (52) centre gripping is on second spacing ring (412), the upper and lower both ends of first spacing ring (411) are contradicted with arc clamping jaw (52) and the lower cell wall of first groove (31) of accomodating respectively.

4. The theodolite of claim 3, wherein: the inner side of the arc-shaped clamping jaw (52) is provided with a limiting groove (521) matched with the second limiting ring (412).

5. The theodolite of claim 1, wherein: the cross section of the landing leg (3) is circular, the bottom of the landing leg (3) is also provided with an arc-shaped groove (35) which is concentrically arranged with the landing leg (3), an arc-shaped supporting leg piece (6) is installed in the arc-shaped groove (35), the upper end of the arc-shaped supporting leg piece (6) is provided with a moving block (61), the outer side of the landing leg (3) is provided with a sliding groove which is in sliding fit with the moving block (61), the sliding groove is communicated with the arc-shaped groove (35), the sliding groove comprises a first transverse groove (36) and a second transverse groove (37) which are arranged in parallel, the sliding groove further comprises a connecting groove (38) which is used for communicating the first transverse groove (36) and, when the moving block (61) is positioned in the first transverse groove (36), the lower end of the arc-shaped supporting leg piece (6) is positioned in the arc-shaped groove (35), when the moving block (61) is positioned in the second transverse groove (37), the lower end of the arc-shaped leg piece (6) extends out of the arc-shaped groove (35).

6. The theodolite of claim 5, wherein: the first transverse groove (36) and the second transverse groove (37) are formed along the circumferential direction of the supporting leg (3), and the connecting groove (38) is formed along the length direction of the supporting leg (3).

7. The theodolite of claim 5, wherein: the lower end of the arc-shaped supporting leg piece (6) is provided with a tip end (62), and the moving block (61) and the tip end (62) are both positioned on the central line of the arc-shaped supporting leg piece (6).

8. The theodolite of claim 1, wherein: the bottom of the mounting table (2) is also provided with a support rod (7), and the support rod (7) is provided with a connecting rod (71) for connecting the supporting leg (3).