CN220566886U - Device for controlling front-back vision distance in leveling measurement - Google Patents
Device for controlling front-back vision distance in leveling measurement Download PDFInfo
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- CN220566886U CN220566886U CN202320937257.4U CN202320937257U CN220566886U CN 220566886 U CN220566886 U CN 220566886U CN 202320937257 U CN202320937257 U CN 202320937257U CN 220566886 U CN220566886 U CN 220566886U
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- leveling
- guide rail
- rod
- screw rod
- sliding seat
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- 238000005259 measurement Methods 0.000 title claims abstract description 6
- 230000004438 eyesight Effects 0.000 title abstract description 8
- 230000003287 optical effect Effects 0.000 claims description 16
- 238000006073 displacement reaction Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 7
- 230000005484 gravity Effects 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Abstract
The utility model relates to the technical field of leveling auxiliary tools, in particular to a device for controlling front and rear vision distances in leveling. The utility model provides a device for controlling front and rear vision distances in leveling, which solves the technical problem that a leveling rod cannot adjust positions in a small distance in the leveling process in the prior art. The device for controlling the front and rear vision distance in leveling is used for adjusting the position of a front leveling rod or a rear leveling rod relative to a leveling instrument and comprises a bracket, wherein the bracket is provided with a guide rail, and the guide rail is provided with a sliding seat; the guide rail is internally provided with the screw rod which drives the sliding seat to move relative to the guide rail, the screw rod is rotated to drive the sliding seat to move, and the sliding seat drives the frame to move and the leveling rod arranged in the frame to conveniently adjust the position of the leveling rod relative to the leveling instrument, so that the distance between the leveling rod and the leveling instrument is more accurate, and the leveling measurement precision is improved.
Description
Technical Field
The utility model relates to the technical field of leveling auxiliary tools, in particular to a device for controlling front and rear vision distances in leveling.
Background
When field leveling is carried out, in order to meet the measurement requirement, the influence of an angle error, the earth curvature and the like on leveling is eliminated, the front and rear viewing distances are equal as much as possible during leveling, the distance between the front and rear viewing distances is generally estimated by a tape measure method or a step number calculating method or the reading of upper wires and lower wires of a front ruler is firstly read through the leveling instrument, the distance between the front ruler and the leveling instrument is calculated, and then the measurement of the next station can be carried out after the distance of a rear ruler is slowly moved until the requirement of the front and rear viewing distance difference is met. Therefore, the efficiency is relatively low during leveling, and the leveling instrument is required to be leveled again by moving the leveling rod for a long time, so that the leveling instrument can be moved when the leveling instrument is used for measuring the rotating objective lens again, and the measuring efficiency and the measuring precision are influenced.
With the development of electronic technology, rangefinders are becoming more and more widely used. When correcting the position of the leveling rod, the leveling rod cannot be adjusted on a small distance, so that the leveling accuracy is reduced.
Disclosure of Invention
The utility model provides a device for controlling front and rear vision distances in leveling, which solves the technical problem that a leveling rod cannot adjust positions in a small distance in the leveling process in the prior art.
Some embodiments employed to solve the above technical problems include:
the device for controlling the front and rear viewing distance in leveling is used for adjusting the position of a front leveling rod or a rear leveling rod relative to a leveling instrument and comprises a support, wherein the support is provided with a guide rail, the guide rail is provided with a sliding seat, the sliding seat is provided with a frame, and the leveling rod is arranged in the frame;
the sliding seat is connected to the guide rail in a sliding way, a screw rod for driving the sliding seat to move relative to the guide rail is arranged in the guide rail, and the screw rod is connected in the guide rail in a rotating way;
the guide rail is also provided with a counterweight frame, the counterweight frame is arranged on the guide rail in a sliding way, and the screw rod drives the counterweight frame to move relative to the guide rail;
the screw rod comprises a forward threaded portion and a reverse threaded portion, the sliding seat is provided with a forward nut seat matched with the forward threaded portion, and the counterweight frame is provided with a reverse nut seat matched with the reverse threaded portion.
Preferably, the sliding seat and the frame are of an integrated structure, and the leveling rod is suspended in the frame through a flexible wire.
Preferably, the frame comprises a left vertical plate and a right vertical plate, the right vertical plate is connected with the right vertical plate through a top plate, and the leveling rod is suspended on the top plate.
Preferably, the left vertical plate and the right vertical plate are integrated with the slide seat, and the top plate is integrated with the left vertical plate and the right vertical plate respectively.
Preferably, the guide rail comprises a bottom plate and a rail arranged on the bottom plate, the cross section of the rail is trapezoidal, the cross section of the rail is wide at the upper part and narrow at the lower part, the rail and the bottom plate are of an integrated structure, and the sliding seat and the counterweight frame are both provided with sliding grooves matched with the rail.
Preferably, the track is provided with a chute with an opening at the upper end, the screw rod is arranged in the chute, and the forward nut seat and the reverse nut seat are both positioned in the chute.
Preferably, the two ends of the sliding groove are respectively provided with a supporting plate for supporting the screw rod, the supporting plates and the track are of an integrated structure, and the screw rod is rotationally connected with the supporting plates.
Preferably, the two ends of the screw rod are respectively provided with an optical shaft portion, the supporting plates are respectively provided with shaft holes matched with the optical shaft portions, and the diameter of the optical shaft portions is smaller than that of the screw rod.
Preferably, the optical axis part at one end of the screw rod extends out of the chute, and the optical axis part extending out of the chute is provided with a hand wheel for facilitating rotation of the screw rod.
Preferably, the bottom plate is provided with graduation marks indicating the displacement distance of the slide seat, and the graduation marks are recessed into the bottom plate.
Compared with the prior art, the utility model has the following advantages:
1. in the leveling process, the distance between the front leveling rod and the leveling instrument is determined, then the distance between the rear leveling rod and the leveling instrument is adjusted, and the distance between the front leveling rod, the rear leveling rod and the leveling instrument can be measured through the distance meter.
After the distance between the front leveling rod and the leveling instrument is determined, the position of the leveling rod is adjusted, when the position of the leveling rod is adjusted in a small range, the screw rod is rotated, the screw rod drives the slide seat to move, and the slide seat drives the frame and the leveling rod arranged in the frame to move, so that the position of the leveling rod relative to the leveling instrument can be conveniently adjusted, the distance between the leveling rod and the leveling instrument is more accurate, and the leveling accuracy is improved.
2. Through setting up the counter weight frame to and forward screw thread portion and reverse screw thread portion, the lead screw is at rotatory in-process, and slide and counter weight frame simultaneously and with the same speed to opposite direction motion to make the focus of guide rail be in the middle part position all the time, the difficult upset of support.
3. The leveling rod is arranged in the frame, the frame plays a role in protecting the leveling rod, and the leveling rod is not easy to damage.
Drawings
For purposes of explanation, several embodiments of the present technology are set forth in the following figures. The following drawings are incorporated herein and constitute a part of this detailed description. In some instances, well-known structures and components are shown in block diagram form in order to avoid obscuring the concepts of the subject technology.
FIG. 1 is a schematic view of a first angle of the present utility model.
Fig. 2 is a schematic view of a second angle of the present utility model.
Fig. 3 is a schematic view of the bracket and the guide rail at a first angle after assembly.
Fig. 4 is a schematic view of the bracket and the guide rail at a second angle after assembly.
Fig. 5 is a schematic view of the first direction of the relative position of the sliding seat and the counterweight frame.
Fig. 6 is a schematic view of the second direction of the relative position of the sliding seat and the counterweight frame.
In the figure:
1. and (3) a bracket.
2. Guide rail, 21, bottom plate, 211, scale mark.
22. Rail, 221, support plate, 23, chute.
3. Slide seat, 31, forward nut seat.
4. Frame 41, left riser, 42, right riser, 43, roof.
5. Levelling rod, 51, flexible silk.
6. Screw rod, 61, hand wheel.
7. A counterweight frame 71 and a reverse nut seat.
Detailed Description
The specific embodiments illustrated below are intended as descriptions of various configurations of the subject technology and are not intended to represent the only configurations in which the subject technology may be practiced. Particular embodiments include specific details for the purpose of providing a thorough understanding of the subject technology. It will be clear and apparent, however, to one skilled in the art that the subject technology is not limited to the specific details shown herein and may be practiced without these specific details.
Referring to fig. 1 to 6, a device for controlling front and rear viewing distance in leveling is used for adjusting the position of a front leveling rod 5 or a rear leveling rod 5 relative to a leveling instrument, and comprises a bracket 1, wherein the bracket 1 is provided with a guide rail 2, the guide rail 2 is provided with a sliding seat 3, the sliding seat 3 is provided with a frame 4, and the leveling rod 5 is arranged in the frame 4;
the sliding seat 3 is connected with the guide rail 2 in a sliding way, a screw rod 6 for driving the sliding seat 3 to move relative to the guide rail 2 is arranged in the guide rail 2, and the screw rod 6 is connected in the guide rail 2 in a rotating way;
the guide rail 2 is also provided with a weight frame 7, the weight frame 7 is slidably arranged on the guide rail 2, and the screw rod 6 drives the weight frame 7 to move relative to the guide rail 2;
the screw rod 6 comprises a forward threaded portion and a reverse threaded portion, the sliding seat 3 is provided with a forward nut seat 31 matched with the forward threaded portion, and the counterweight frame 7 is provided with a reverse nut seat 71 matched with the reverse threaded portion.
The device for controlling the front and rear vision distance in leveling can enable the leveling rod 5 to be adjusted in the position of 1 meter, when the position to be adjusted is greater than 1 meter, the position of the support 1 should be integrally adjusted, and then the position of the leveling rod 5 is adjusted through the sliding seat 3.
The leveling rod 5 may be a front leveling rod 5 or a rear leveling rod 5, and the position of the front leveling rod 5 may be adjusted after the distance between the rear leveling rod 5 and the level gauge is determined. After the distance between the front leveling rod 5 and the leveling instrument is determined, the distance between the rear leveling rod 5 and the leveling instrument can be adjusted.
The leveling rod 5 and the leveling instrument are common tools in the prior art. The distance between the levelling rod 5 and the level may be measured using a distance sensor.
Referring to fig. 1 to 6, in some embodiments, the slider 3 and the frame 4 are integrally formed, and the leveling rod 5 is suspended in the frame 4 by a flexible wire 51.
The frame 4 includes a left standing plate 41 and a right standing plate 42, the right standing plate 42 is connected with the right standing plate 42 through a top plate 43, and the leveling rod 5 is suspended from the top plate 43.
The left upright plate 41 and the right upright plate 42 are integrated with the slide carriage 3, and the top plate 43 is integrated with the left upright plate 41 and the right upright plate 42, respectively.
The leveling rod 5 should be in a vertical state during use. Therefore, the leveling rod 5 is hung on the top plate 43 through the flexible wire 51, and the leveling rod 5 is automatically in a vertical state under the action of gravity, so that the leveling rod 5 is easy to debug.
Referring to fig. 1 to 6, in some embodiments, the guide rail 2 includes a bottom plate 21 and a rail 22 disposed on the bottom plate 21, the rail 22 has a trapezoid shape with a wide upper part and a narrow lower part, the rail 22 and the bottom plate 21 are integrally formed, and the slide 3 and the counterweight frame 7 are provided with sliding grooves matched with the rail 22.
The counterweight frame 7 is provided with reference to the slide 3 and the frame 4, and the leveling rod 5 may be suspended in the counterweight frame 7. When the leveling rod 5 is not suspended in the weight frame 7, the weight of the weight frame 7 is equal to the total weight of the frame 4, the slide 3, the leveling rod 5 and the flexible wire 51. So that the gravity center position of the guide rail 2 does not change when the slide carriage 3 is displaced, and the support 1 is prevented from tipping over.
Referring to fig. 1 to 6, in some embodiments, the rail 22 is provided with a chute 23 having an open upper end, the screw shaft 6 is disposed in the chute 23, and the forward nut seat 31 and the reverse nut seat 71 are both disposed in the chute 23.
In the rotating process of the screw rod 6, the forward thread part drives the sliding seat 3 to displace in the first direction through the forward thread seat, and the reverse thread part drives the counterweight frame 7 to displace in the second direction through the reverse thread seat, so that the first direction is opposite to the second direction.
Referring to fig. 1 to 6, in some embodiments, support plates 221 supporting the screw shaft 6 are respectively provided at both ends of the sliding groove 23, the support plates 221 and the rail 22 are integrally formed, and the screw shaft 6 is rotatably connected to the support plates 221.
The two ends of the screw rod 6 are respectively provided with an optical shaft portion, the supporting plates 221 are respectively provided with shaft holes matched with the optical shaft portions, and the diameter of the optical shaft portions is smaller than that of the screw rod 6.
A step surface is formed between the optical axis portion and the lead screw 6, and the step surface abuts against the support plate 221 to define the axial position of the lead screw 6.
Referring to fig. 1 to 6, in some embodiments, the optical axis portion at one end of the screw 6 extends out of the chute 23, and the optical axis portion extending out of the chute 23 is provided with a hand wheel 61 for facilitating rotation of the screw 6.
The bottom plate 21 is provided with graduation marks 211 indicating the displacement distance of the slide 3, and the graduation marks 211 are recessed into the bottom plate 21.
By providing the graduation marks 211, the displacement distance of the slider 3 can be visually observed, thereby making the position of the leveling rod 5 easy to adjust.
This scheme is only used for carrying out position control to levelling rod 5 in the small circle, and accommodation should be less than 1 meter generally, and when levelling rod 5 need adjust to the position more than 1 meter, because this kind of condition needs longer guide rail 2 length, consequently, in order to make guide rail 2 length not need too long, can directly adjust the position of support 1 to adjust the position of levelling rod 5. When the distance of more than 1 meter is used for position adjustment, the manual operation is convenient. When the position is adjusted within the range of less than 1 meter, the manual operation error is larger, so that the position adjustment operation of the leveling rod 5 is very convenient by adopting the technical scheme disclosed by the utility model.
While the foregoing has been presented with a specific embodiment of the subject matter and with corresponding details, it should be understood that the foregoing description is only a few embodiments of the subject matter and that some details may be omitted when the embodiments are particularly implemented.
In addition, in some embodiments of the above utility model, there are many embodiments that can be implemented in combination, and the various combinations are not listed here. The above embodiments may be freely combined and implemented by those skilled in the art in specific implementation according to requirements, so as to obtain a better application experience.
When implementing the subject matter technical scheme, the person skilled in the art can obtain other detail configurations or drawings according to the subject matter technical scheme and the drawings, and obviously, the details still belong to the scope covered by the subject matter technical scheme without departing from the subject matter technical scheme.
Claims (10)
1. A device for controlling front and rear viewing distances in leveling measurements for adjusting the position of a front leveling rod (5) or a rear leveling rod (5) relative to a level, characterized in that: the device comprises a support (1), wherein the support (1) is provided with a guide rail (2), the guide rail (2) is provided with a sliding seat (3), the sliding seat (3) is provided with a frame (4), and a leveling rod (5) is arranged in the frame (4);
the sliding seat (3) is connected to the guide rail (2) in a sliding manner, a screw rod (6) for driving the sliding seat (3) to move relative to the guide rail (2) is arranged in the guide rail (2), and the screw rod (6) is rotationally connected to the guide rail (2);
the guide rail (2) is also provided with a weight rack (7), the weight rack (7) is slidably arranged on the guide rail (2), and the screw rod (6) drives the weight rack (7) to move relative to the guide rail (2);
the screw rod (6) comprises a forward threaded portion and a reverse threaded portion, the sliding seat (3) is provided with a forward nut seat (31) matched with the forward threaded portion, and the counterweight frame (7) is provided with a reverse nut seat (71) matched with the reverse threaded portion.
2. The apparatus for controlling fore-aft viewing distance in leveling according to claim 1, wherein: the sliding seat (3) and the frame (4) are of an integrated structure, and the leveling rod (5) is suspended in the frame (4) through a flexible wire (51).
3. The apparatus for controlling fore-aft viewing distance in leveling according to claim 2, wherein: the frame (4) comprises a left vertical plate (41) and a right vertical plate (42), the right vertical plate (42) is connected with the right vertical plate (42) through a top plate (43), and the leveling rod (5) is suspended on the top plate (43).
4. A device for controlling fore-aft viewing distance in leveling according to claim 3, wherein: the left vertical plate (41) and the right vertical plate (42) are of an integral structure with the sliding seat (3), and the top plate (43) is of an integral structure with the left vertical plate (41) and the right vertical plate (42) respectively.
5. The device for controlling fore-aft viewing distance in a leveling of a floor according to claim 4, wherein: the guide rail (2) comprises a bottom plate (21) and a rail (22) arranged on the bottom plate (21), the cross section of the rail (22) is trapezoid with wide upper part and narrow lower part, the rail (22) and the bottom plate (21) are of an integrated structure, and the sliding seat (3) and the counterweight frame (7) are both provided with sliding grooves matched with the rail (22).
6. The device for controlling fore-aft viewing distance in a leveling of a subject of claim 5, wherein: the track (22) is provided with a chute (23) with an opening at the upper end, the lead screw (6) is arranged in the chute (23), and the forward nut seat (31) and the reverse nut seat (71) are both positioned in the chute (23).
7. The apparatus for controlling fore-aft viewing distance in a leveling of a floor according to claim 6, wherein: the two ends of the sliding groove (23) are respectively provided with a supporting plate (221) for supporting the screw rod (6), the supporting plates (221) and the track (22) are of an integrated structure, and the screw rod (6) is rotationally connected with the supporting plates (221).
8. The apparatus for controlling fore-aft viewing distance in a leveling of a floor according to claim 7, wherein: the two ends of the screw rod (6) are respectively provided with an optical shaft part, the supporting plates (221) are respectively provided with shaft holes matched with the optical shaft parts, and the diameter of the optical shaft parts is smaller than that of the screw rod (6).
9. The apparatus for controlling fore-aft viewing distance in a leveling of a floor according to claim 8, wherein: the optical axis part at one end of the screw rod (6) extends out of the chute (23), and the optical axis part extending out of the chute (23) is provided with a hand wheel (61) which is convenient for rotating the screw rod (6).
10. The device for controlling fore-aft viewing distance in a leveling of a subject of claim 5, wherein: the base plate (21) is provided with graduation marks (211) for indicating the displacement distance of the sliding seat (3), and the graduation marks (211) are recessed into the base plate (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320937257.4U CN220566886U (en) | 2023-04-19 | 2023-04-19 | Device for controlling front-back vision distance in leveling measurement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320937257.4U CN220566886U (en) | 2023-04-19 | 2023-04-19 | Device for controlling front-back vision distance in leveling measurement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220566886U true CN220566886U (en) | 2024-03-08 |
Family
ID=90100906
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320937257.4U Active CN220566886U (en) | 2023-04-19 | 2023-04-19 | Device for controlling front-back vision distance in leveling measurement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220566886U (en) |
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2023
- 2023-04-19 CN CN202320937257.4U patent/CN220566886U/en active Active
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