CN216480038U - High-precision level gauge support with support legs capable of being adjusted at equal intervals - Google Patents
High-precision level gauge support with support legs capable of being adjusted at equal intervals Download PDFInfo
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- CN216480038U CN216480038U CN202122842505.0U CN202122842505U CN216480038U CN 216480038 U CN216480038 U CN 216480038U CN 202122842505 U CN202122842505 U CN 202122842505U CN 216480038 U CN216480038 U CN 216480038U
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Abstract
The utility model relates to the technical field of surveying and mapping, and discloses a high-precision level support with support legs capable of being adjusted in an equidistant mode. This high accuracy level gauge support that landing leg can equidistance be adjusted, conical gear on will three interior pole is not in the meshing with adjacent epaxial conical gear that rotates, and then make the conversion angle that can be free in three outer pole of supporting and the three pole of supporting, the pole is not rotating in step in three outer pole of supporting and the three support, and then convenience of installation can carry out automatically regulated according to the condition on ground, enlarge the adaptation of device to the different bottom surface condition, and then make the base keep the horizontality all the time, enlarge the device to the application degree of different bottom surfaces, and then guarantee the stability of device, be favorable to the conversion of device different modes.
Description
Technical Field
The utility model relates to the technical field of surveying and mapping, in particular to a high-precision level support with support legs capable of being adjusted equidistantly.
Background
The level is an instrument for measuring the height difference between two ground points by establishing a horizontal sight line, the principle is that the height difference between the ground points is measured according to the leveling principle, main components are hopeful to be a telescope, a pipe level (or a compensator), a vertical shaft, a base and a foot screw, and the level is divided into a micro-inclination level, an automatic leveling level, a laser level and a digital level (also called an electronic level) according to the structure and is divided into a precision level and a common level according to the precision.
When a road is constructed, basic surveying and mapping can be firstly carried out on the road, when the surveying and mapping are carried out, a leveling instrument can be used for measuring the levelness of the leveling instrument, however, when the leveling instrument is used, a support is required to be used for supporting the leveling instrument, when some leveling instruments with different bottom surfaces can be used on a smooth road surface in a construction site, some leveling instruments can be used on the uneven road surface for surveying and mapping, and when the leveling instrument is used on different bottom surfaces, the angles of the supporting legs which need to be adjusted are different, for example, three supporting legs are required to be equidistantly propped open on the smooth road surface, so that different propping distances of the supporting legs are prevented from being propped open, the support is unstable, and further when the support is toppled over on some uneven road surfaces for use, because the heights inside of the support are different, the angles of the propped supporting legs are different, and further the stability of the leveling instrument is ensured, however, when some existing leveling instrument supports are used, the equidistance of the three supporting legs can not be well adjusted or the three supporting legs can not be moved separately according to the ground condition, so that the application range of the device is shortened, and the use stability of the device is influenced.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Aiming at the defects of the prior art, the utility model provides the high-precision level gauge support with the support legs capable of being adjusted at equal intervals, which has the advantages of being suitable for supporting various pavements and the like, and solves the problem that the application range of the device is shortened due to the fact that the three support legs cannot be adjusted at equal intervals or move separately according to the ground condition.
(II) technical scheme
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a high accuracy surveyor's level support that landing leg can equidistance is adjusted, which comprises a base, the top of base is provided with the surveyor's level, the bottom fixed mounting of base has the install bin, the inside of install bin is provided with equidistance adjusting device, the inside of install bin rotates and is connected with three connecting piece, the equal fixed mounting of downside of three connecting piece has the support outer pole, the inside sliding connection who supports the outer pole has the pole in the support, the locating hole that is the equidistance and sets up is seted up on the surface of pole in the support, the sliding surface who supports the outer pole is connected with the locating lever, the locating lever extends to the inside joint of the inside one end of support outer pole and locating hole.
Preferably, the surface of the positioning rod is movably sleeved with a spring, one end of the spring, which is close to the supporting outer rod, is fixedly connected with the surface of the supporting outer rod, and one end of the spring, which is far away from the supporting outer rod, is fixedly connected with the surface of the positioning rod.
Preferably, equidistance adjusting device includes six fixed connection in the inside backup pad of install bin of fixed connection, the inside rotation of two relative backup pads is connected with the axis of rotation, the quantity of axis of rotation is three, three epaxial structure homogeneous phase of rotation is the same, three axis of rotation is triangle-shaped and sets up, the surface of axis of rotation and the inside fixed cup joint of connecting piece, pole in the inside sliding connection of axis of rotation, the one end fixedly connected with conical gear of axis of rotation is kept away from to interior pole, the same fixedly connected with conical gear of the one end of pole in the axis of rotation is kept away from to the axis of rotation, the conical gear on interior pole is connected with adjacent epaxial conical gear meshing of rotation.
Preferably, two slides have been seted up to the inside of axis of rotation, and the equal sliding connection in inside of two slides has the slider, and the one end that two sliders are relative all is connected with the fixed surface of interior pole.
Preferably, one end of the inner rod extending into the rotating shaft is fixedly connected with a return spring, and one end of the return spring, far away from the inner rod, is fixedly connected with the inside of the rotating shaft.
Preferably, the inside swing joint of install bin has the pull rod, and the surface activity that the pull rod extends to the outside one end of install bin has cup jointed the extension spring, and the extension spring is close to the one end of install bin and the fixed surface of install bin and is connected, and the one end that the install bin was kept away from to the extension spring is connected with the fixed surface of pull rod, and the one end that the pull rod extends to the install bin inside rotates and is connected into trapezoidal extrusion piece, and the fixed surface of interior pole has cup jointed the dog that contacts with extrusion piece.
(III) advantageous effects
Compared with the prior art, the utility model provides the high-precision level gauge support with the support legs capable of being adjusted at equal intervals, and the support has the following beneficial effects:
1. the support for the high-precision level with the supporting legs capable of being adjusted at equal intervals pulls the pull rod outwards to further enable the tension spring to be stretched, and as the extrusion block is trapezoidal in shape, the stop block can slide on the surface of the extrusion block when the extrusion block moves outwards, the inner rod can slide in the rotating shaft under the action of the tension force of the reset spring, and then the two sliding blocks can slide in the sliding way, so that the bevel gear on the inner rod is not meshed with the adjacent bevel gear on the rotating shaft, the bevel gears on the three inner rods are not meshed with the adjacent bevel gear on the rotating shaft in the same mode, so that the three outer supporting rods and the three inner supporting rods can freely change angles, the three outer supporting rods and the three inner supporting rods do not synchronously rotate, further, the device can automatically adjust according to the ground condition, and the adaptation of the device to different bottom surface conditions is enlarged, therefore, the base is always kept in a horizontal state, the applicability of the device to different bottom surfaces is improved, the stability of the device is ensured, and the conversion of different modes of the device is facilitated.
2. When the angles of three outer supporting rods and three inner supporting rods are required to be adjusted at equal intervals at the same time, the connecting piece rotates along with the outer supporting rods when the outer supporting rods are rotated, so that the rotating shaft rotates in the supporting plate, when the rotating shaft rotates, the stop blocks are extruded by the extrusion blocks, so that the reset spring is in a stretching state, the inner rod is limited by the sliding blocks and the sliding ways, the inner rod and the stop blocks rotate along with the rotating shaft when the rotating shaft rotates, so that the two meshed bevel gears rotate, the three connecting pieces, the three outer supporting rods and the three inner supporting rods are driven to rotate in the same way, the three outer supporting rods and the three inner supporting rods are conveniently rotated at equal intervals, and the device is convenient to be used on a flat road surface, and then guaranteed that pole carries out the equidistance removal in three support outer pole and the three support, and then guarantee the device and at the steadiness when supporting the surveyor's level, guaranteed the level, and then the surveyor's road is surveyed to the surveyor's level of being convenient for, improves the precision and the stability of survey and drawing.
3. The high-precision level bracket with the support legs capable of being adjusted equidistantly pulls the positioning rods outwards to separate the positioning rods from the positioning holes, so that the springs are stretched, the supporting inner rods slide outwards and are pushed inwards to enable the supporting inner rods to slide in the supporting outer rods, after the height is adjusted, the positioning rods are clamped into the other positioning holes through the elastic force of the springs to fix the supporting inner rods, the height of the device is convenient to adjust, the height of the device can be well adjusted according to needs, the application range of the device is increased, the supporting inner rods are convenient to fix at the same time, the probability of shaking of the supporting inner rods after being fixed is reduced, the stability of the device is ensured, the height of the supporting inner rods can be adjusted according to the condition of a road surface, and the three supporting inner rods and the three supporting outer rods are stably supported, thereby keeping the base stable.
Drawings
FIG. 1 is a schematic view of a high-precision level stand with equally-adjustable legs according to the present invention;
FIG. 2 is an enlarged view of the structure at A in FIG. 1 according to the present invention;
FIG. 3 is a schematic view of the internal structure of the mounting box of the present invention;
FIG. 4 is an enlarged view of the structure at B in FIG. 3 according to the present invention;
FIG. 5 is a schematic view of the inner support rod of the present invention;
fig. 6 is a schematic view showing an internal structure of a rotating shaft according to the present invention.
In the figure: the device comprises a support inner rod 1, a positioning hole 2, a support outer rod 3, a connecting piece 4, an installation box 5, a base 6, a level 7, a positioning rod 8, a spring 9, a rotating shaft 10, a support plate 11, an extrusion block 12, a tension spring 13, a pull rod 14, an inner rod 15, a stop block 16, a bevel gear 17, a return spring 18, a slide block 19 and a slide rail 20.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, the present invention provides a new technical solution: a high-precision level support with supporting legs capable of being adjusted equidistantly comprises a base 6, a level 7 is arranged at the top of the base 6, an installation box 5 is fixedly installed at the bottom of the base 6, an equidistant adjusting device is arranged inside the installation box 5, three connecting pieces 4 are rotatably connected inside the installation box 5, supporting outer rods 3 are fixedly installed on the lower sides of the three connecting pieces 4, supporting inner rods 1 are slidably connected inside the supporting outer rods 3, positioning holes 2 which are arranged equidistantly are formed in the surfaces of the supporting inner rods 1, positioning rods 8 are slidably connected on the surfaces of the supporting outer rods 3, one ends of the positioning rods 8 extending into the supporting outer rods 3 are clamped with the insides of the positioning holes 2, springs 9 are movably sleeved on the surfaces of the positioning rods 8, one ends of the springs 9 close to the supporting outer rods 3 are fixedly connected with the surfaces of the supporting outer rods 3, and one ends of the springs 9 far away from the supporting outer rods 3 are fixedly connected with the surfaces of the positioning rods 8;
the equidistance adjusting device comprises six fixedly connected supporting plates 11 fixedly connected inside the installation box 5, rotating shafts 10 are rotatably connected inside two opposite supporting plates 11, the number of the rotating shafts 10 is three, the structures on the three rotating shafts 10 are all the same, the three rotating shafts 10 are arranged in a triangular shape, the surfaces of the rotating shafts 10 are fixedly sleeved with the inside of the connecting piece 4, inner rods 15 are slidably connected inside the rotating shafts 10, one ends of the inner rods 15, far away from the rotating shafts 10, are fixedly connected with bevel gears 17, one ends of the rotating shafts 10, far away from the inner rods 15, are also fixedly connected with the bevel gears 17, the bevel gears 17 on the inner rods 15 are meshed and connected with the bevel gears 17 on the adjacent rotating shafts 10, two slide ways 20 are arranged inside the rotating shafts 10, slide blocks 19 are slidably connected inside the two slide ways 20, and the opposite ends of the two slide blocks 19 are fixedly connected with the surfaces of the inner rods 15, one end, extending to the inside of the rotating shaft 10, of the inner rod 15 is fixedly connected with a return spring 18, one end, far away from the inner rod 15, of the return spring 18 is fixedly connected with the inside of the rotating shaft 10, the inside of the installation box 5 is movably connected with a pull rod 14, a tension spring 13 is movably sleeved on the surface of one end, extending to the outside of the installation box 5, of the pull rod 14, one end, close to the installation box 5, of the tension spring 13 is fixedly connected with the outer surface of the installation box 5, one end, far away from the installation box 5, of the tension spring 13 is fixedly connected with the surface of the pull rod 14, one end, extending to the inside of the installation box 5, of the pull rod 14 is rotatably connected with a trapezoidal extrusion block 12, and a stop block 16 in contact with the extrusion block 12 is fixedly sleeved on the surface of the inner rod 15;
when the height of the device is adjusted, the positioning rod 8 is pulled outwards, so that the positioning rod 8 is separated from the positioning hole 2, the spring 9 is stretched, the support inner rod 1 slides outwards, the support inner rod 1 is pushed inwards, so that the support inner rod 1 slides in the support outer rod 3, after the height is adjusted, the positioning rod 8 enables the positioning rod 8 to be clamped into the other positioning hole 2 through the elastic force of the spring 9, so that the support inner rod 1 is fixed, the height of the device is conveniently adjusted, the height of the device can be well adjusted according to needs, the application range of the device is increased, the support inner rod 1 is conveniently fixed, the probability of shaking of the support inner rod 1 after being fixed is reduced, the stability of the device is ensured, the height of the support inner rod 1 can be adjusted according to the condition of a road surface, and the three support outer rods 1 and 3 are stably supported, thereby keeping the base 6 stable;
when the angles of the three outer supporting rods 3 and the three inner supporting rods 1 are required to be adjusted at equal intervals simultaneously, the connecting piece 4 rotates along with the outer supporting rods 3 when the outer supporting rods 3 are rotated, so that the rotating shaft 10 rotates inside the supporting plate 11, when the rotating shaft 10 rotates, the stop blocks 16 are extruded by the extrusion blocks 12, so that the reset springs 18 are in a stretching state, the inner rod 15 is limited by the sliding blocks 19 and the sliding ways 20, the inner rod 15 and the stop blocks 16 rotate along with the rotating shaft 10 when the rotating shaft 10 rotates, so that the two meshed bevel gears 17 rotate, the three connecting pieces 4, the three outer supporting rods 3 and the three inner supporting rods 1 are driven to rotate in the same way, the three outer supporting rods 3 and the three inner supporting rods 1 are convenient to rotate at equal intervals, and the device is convenient to be used on a flat road surface, the three outer supporting rods 3 and the three inner supporting rods 1 are enabled to move equidistantly, so that the smoothness of the device when the leveling instrument 7 is supported is guaranteed, the leveling instrument 7 can conveniently survey and draw roads, and the precision and the stability of surveying and drawing are improved;
when the device is used on uneven road surfaces, the pull rod 14 is pulled outwards, so that the tension spring 13 is stretched, and as the extrusion block 12 is trapezoidal in shape, the stopper 16 can slide on the surface of the extrusion block 12 when the extrusion block 12 moves outwards, so that the inner rod 15 can slide inside the rotating shaft 10 under the action of the tension of the return spring 18, so that the two sliders 19 can slide inside the slide ways 20, the bevel gear 17 on the inner rod 15 is not meshed with the bevel gear 17 on the adjacent rotating shaft 10, the bevel gears 17 on the three inner rods 15 are not meshed with the bevel gear 17 on the adjacent rotating shaft 10 in the same way, so that the three support outer rods 3 and the three support inner rods 1 can freely change angles, the three support outer rods 3 and the three support inner rods 1 do not synchronously rotate, and the device can be automatically adjusted according to the conditions of the ground, the expansion device adapts to different bottom surface conditions, so that the base 6 is always kept in a horizontal state, the applicability of the expansion device to different bottom surfaces is expanded, the stability of the expansion device is further ensured, and the conversion of different modes of the expansion device is facilitated;
the friction force at the rotary connection part of the extrusion block 12 and the pull rod 14 is larger, and the extrusion block cannot rotate when no external force is involved;
because the surface of the pull rod 14 close to one end of the extrusion block 12 is provided with threads, when the pull rod 14 pulls a certain distance, the threads on the pull rod 14 can enter threaded holes at the sliding connection part of the pull rod 14 and the installation box 5, and then the pull rod 14 is rotated to fix the pull rod 14, so that the extrusion block 12 is not limited by the inner rod 15, the pull rod 14 is conveniently fixed, and then the three pull rods 14 can be respectively set.
The working principle is as follows:
this landing leg can equidistance high accuracy level support of adjusting, when using:
when the height of the device is adjusted, the positioning rod 8 is pulled outwards, so that the positioning rod 8 is separated from the positioning hole 2, the spring 9 is stretched, the support inner rod 1 slides outwards, the support inner rod 1 is pushed inwards, so that the support inner rod 1 slides in the support outer rod 3, and after the height is adjusted, the positioning rod 8 is clamped into the other positioning hole 2 through the elastic force of the spring 9, so that the support inner rod 1 is fixed;
when the angles of the three support outer rods 3 and the three support inner rods 1 need to be adjusted at equal intervals at the same time, the connecting piece 4 rotates along with the support outer rods 3 when the support outer rods 3 are rotated, so that the rotating shaft 10 rotates inside the support plate 11, when the rotating shaft 10 rotates, the stop block 16 is extruded by the extrusion block 12, so that the reset spring 18 is in a stretching state, the inner rod 15 is limited by the sliding block 19 and the slide way 20, the inner rod 15 and the stop block 16 rotate along with the rotating shaft 10 when the rotating shaft 10 rotates, so that the two meshed bevel gears 17 rotate, the three connecting pieces 4, the three support outer rods 3 and the three support inner rods 1 are driven to rotate in the same mode, and the three support outer rods 3 and the three support inner rods 1 are convenient to rotate at equal intervals;
when the device is used on uneven road surfaces, the pull rod 14 is pulled outwards, the tension spring 13 is further stretched, the extrusion block 12 is trapezoidal, the stopper 16 can slide on the surface of the extrusion block 12 when the extrusion block 12 moves outwards, the inner rod 15 can slide inside the rotating shaft 10 under the action of the tension of the return spring 18, the two sliders 19 can slide inside the slide ways 20, the bevel gear 17 on the inner rod 15 is not meshed with the bevel gear 17 on the adjacent rotating shaft 10, the bevel gears 17 on the three inner rods 15 are not meshed with the bevel gear 17 on the adjacent rotating shaft 10 in the same mode, the three support outer rods 3 and the three support inner rods 1 can freely change angles, and the three support outer rods 3 and the three support inner rods 1 do not synchronously rotate.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a high accuracy level support that landing leg can equidistance is adjusted, includes base (6), its characterized in that: the top of base (6) is provided with surveyor's level (7), the bottom fixed mounting of base (6) has install bin (5), the inside of install bin (5) is provided with equidistance adjusting device, the inside of install bin (5) is rotated and is connected with three connecting piece (4), the equal fixed mounting of downside of three connecting piece (4) has support outer pole (3), the inside sliding connection who supports outer pole (3) has pole (1) in supporting, locating hole (2) that are the equidistance setting are seted up on the surface of pole (1) in the support, the surface sliding connection who supports outer pole (3) has locating lever (8), locating lever (8) extend to the inside joint of the inside one end of support outer pole (3) and locating hole (2).
2. A high accuracy level stand with equally adjustable legs according to claim 1, wherein: the surface of the positioning rod (8) is movably sleeved with a spring (9), one end of the spring (9) close to the supporting outer rod (3) is fixedly connected with the surface of the supporting outer rod (3), and one end of the spring (9) far away from the supporting outer rod (3) is fixedly connected with the surface of the positioning rod (8).
3. A high accuracy level stand with equally adjustable legs according to claim 1, wherein: equidistance adjusting device includes six fixed connection in inside backup pad (11) of install bin (5), the inside rotation of two relative backup pad (11) is connected with axis of rotation (10), the quantity of axis of rotation (10) is three, structure homogeneous phase on three axis of rotation (10), three axis of rotation (10) is triangle-shaped setting, the fixed cup joint in inside of surface and connecting piece (4) of axis of rotation (10), the inside sliding connection of axis of rotation (10) has interior pole (15), the one end fixedly connected with conical gear (17) of axis of rotation (10) are kept away from in interior pole (15), the same fixedly connected with conical gear (17) of one end of interior pole (15) are kept away from in axis of rotation (10), conical gear (17) on interior pole (15) are connected with conical gear (17) meshing on adjacent axis of rotation (10).
4. A high accuracy level stand with equally adjustable legs according to claim 3 wherein: two slides (20) have been seted up to the inside of axis of rotation (10), and the equal sliding connection in inside of two slides (20) has slider (19), and the one end that two sliders (19) are relative all is connected with the fixed surface of interior pole (15).
5. A high accuracy level stand with equally adjustable legs according to claim 4 wherein: the inner rod (15) extends to one end inside the rotating shaft (10) and is fixedly connected with a return spring (18), and one end, far away from the inner rod (15), of the return spring (18) is fixedly connected with the inside of the rotating shaft (10).
6. A high accuracy level stand with equally adjustable legs according to claim 5, characterised in that: the inside swing joint of install bin (5) has pull rod (14), extension spring (13) have been cup jointed in the surface activity that pull rod (14) extended to install bin (5) outside one end, the one end that extension spring (13) are close to install bin (5) is connected with the external fixed surface of install bin (5), the one end that install bin (5) were kept away from in extension spring (13) is connected with the fixed surface of pull rod (14), pull rod (14) extend to install bin (5) inside one end and rotate and be connected into trapezoidal extrusion piece (12), the fixed surface of interior pole (15) cup joints dog (16) that contact with extrusion piece (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122842505.0U CN216480038U (en) | 2021-11-19 | 2021-11-19 | High-precision level gauge support with support legs capable of being adjusted at equal intervals |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122842505.0U CN216480038U (en) | 2021-11-19 | 2021-11-19 | High-precision level gauge support with support legs capable of being adjusted at equal intervals |
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| CN216480038U true CN216480038U (en) | 2022-05-10 |
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| CN202122842505.0U Active CN216480038U (en) | 2021-11-19 | 2021-11-19 | High-precision level gauge support with support legs capable of being adjusted at equal intervals |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117346034A (en) * | 2023-11-25 | 2024-01-05 | 山东华蓝测绘技术有限公司 | Portable mapping tool |
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2021
- 2021-11-19 CN CN202122842505.0U patent/CN216480038U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117346034A (en) * | 2023-11-25 | 2024-01-05 | 山东华蓝测绘技术有限公司 | Portable mapping tool |
| CN117346034B (en) * | 2023-11-25 | 2024-03-22 | 山东华蓝测绘技术有限公司 | Portable mapping tool |
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