CN216246402U - Angle calibration clamp matched with theodolite calibration device - Google Patents
Angle calibration clamp matched with theodolite calibration device Download PDFInfo
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- CN216246402U CN216246402U CN202123029516.3U CN202123029516U CN216246402U CN 216246402 U CN216246402 U CN 216246402U CN 202123029516 U CN202123029516 U CN 202123029516U CN 216246402 U CN216246402 U CN 216246402U
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Abstract
The utility model relates to an angle checking fixture matched with a theodolite calibrating device, and belongs to the technical field of angle checking fixture equipment. Angle check-up anchor clamps of cooperation theodolite calibrating installation includes: the base, one side of base is passed through the connecting piece and is fixed on theodolite calibrating installation, be equipped with adjustable board on the base, adjustable board passes through the magnetic gauge stand and fixes on the base, the side of adjustable board is hugged closely and is equipped with the angular surveying piece, the base opposite side is equipped with and is used for the locking the retaining member of angular surveying piece. Has the advantages that: the checking precision is high, the clamping is convenient, and the use is convenient.
Description
Technical Field
The utility model belongs to the technical field of angle checking fixtures, and particularly relates to an angle checking fixture matched with a theodolite calibrating device.
Background
The calibration of the general electronic level ruler and the inclinometer equal angle measuring piece adopts an optical dividing head with division value less than or equal to 10' and a Moire type conical shaft as well as a special fixture with perpendicularity less than 0.05mm for calibration, but the calibration precision is not high, the operation is complex and the use is inconvenient.
Therefore, the angle checking fixture matched with the theodolite calibrating device is provided to solve the defects of the prior art.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problems and provides the angle checking fixture matched with the theodolite calibrating device, which is high in checking precision, convenient to clamp and use.
The technical scheme for solving the technical problems is as follows: the angle check fixture of cooperation theodolite calibrating installation includes: the base, one side of base is passed through the connecting piece and is fixed on theodolite calibrating installation, be equipped with adjustable board on the base, adjustable board passes through the magnetic gauge stand and fixes on the base, the side of adjustable board is hugged closely and is equipped with the angular surveying piece, the base opposite side is equipped with and is used for the locking the retaining member of angular surveying piece.
Has the advantages that: the checking precision is high, the clamping is convenient, and the use is convenient.
On the basis of the technical scheme, the utility model can be further improved as follows.
Further, the connecting piece is including connecting drum and circular shape connecting plate, one side of connecting plate is fixed on the base, opposite side hoop interval is equipped with a plurality ofly connect the drum, it fixes to connect drum cooperation bolt on the theodolite calibrating installation.
The beneficial effect of adopting the further scheme is that: the connecting structure is simple, the fixing effect is good through the bolt fixing, and the assembling and the disassembling are convenient.
Furthermore, the bottom of base is equipped with the pillar, pillar fixed connection the connecting plate.
The beneficial effect of adopting the further scheme is that: the support is stable, and the fixing effect is good.
Furthermore, one end of the support column extends out of the base and is detachably connected with the locking piece.
The beneficial effect of adopting the further scheme is that: the angle measuring piece is convenient to assemble and disassemble, and the locking piece can further fix the angle measuring piece.
Further, the retaining member includes clamping plate and fastening bolt, the clamping plate joint the pillar, be equipped with on the clamping plate fastening bolt.
The beneficial effect of adopting the further scheme is that: the screw end of the fastening bolt abuts against the angle measuring piece for fixing.
Further, the base and the adjustable plate are both made of metal materials.
The beneficial effect of adopting the further scheme is that: the adjustable plate is fixed by matching with the magnetic meter seat, and the cost is low and the service life is long.
Drawings
FIG. 1 is a schematic structural view of the present invention;
in the drawings, the components represented by the respective reference numerals are listed below:
1. a base; 2. a magnetic gauge stand; 3. a connecting cylinder; 4. a connecting plate; 5. an angle measuring member; 6. an adjustable plate; 7. installing a clamping plate; 8. a pillar; 9. and fastening the bolt.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the utility model.
Examples
As shown in fig. 1, the present embodiment provides an angle calibration jig used with a theodolite calibration apparatus, including: the theodolite calibrating device comprises a base 1, wherein one side of the base 1 is fixed on the theodolite calibrating device through a connecting piece, an adjustable plate 6 is arranged on the base 1, the base 1 and the adjustable plate 6 are made of cast iron, the connecting piece comprises a connecting cylinder 3 and a circular connecting plate 4, one side of the connecting plate 4 is welded on the base 1, 4 connecting cylinders 3 are arranged on the other side at intervals in the circumferential direction, the connecting cylinder 3 is fixed on the theodolite calibrating device by matching with bolts, the adjustable plate 6 is fixed on the base 1 through the magnetic gauge stand 2, a pillar 8 is arranged at the bottom of the base 1, the pillar 8 is connected with the connecting plate 4, one end of the pillar 8 extends out of the base 1, and detachably connected with the locking member for locking the angle measuring member 5, and the angle measuring member 5 may be an electronic level, an inclinometer, or the like.
It should be noted that the magnetic gauge stand 2 belongs to the prior art, the outer casing of the magnetic gauge stand 2 is two magnetizers, the middle is separated by a non-magnetic copper plate, a rotatable magnet is arranged in the inner part, the magnet is n and s poles along the diameter direction, the magnet rotates to the middle position, and the magnetic gauge stand 2 can be easily taken away when the magnetic lines of force form a closed circuit in the two magnetizers respectively; after rotating 90 degrees, the ns pole faces to the two magnetizers respectively, and at the moment, the magnetic force line is closed from the n pole to the magnetizer to the guide rail and from the other magnetizer to the s pole, so that the magnetic force line can be firmly attached to the guide rail; the type of the transit calibrating device is JQJY-1A.
Further, the retaining member includes clamping plate 7 and fastening bolt 9, clamping plate 7 joint pillar 8, be equipped with two on clamping plate 7 fastening bolt 9 prevents to be examined the instrument and removes at the rotation in-process.
Furthermore, a plurality of holes are processed on the base 1 and the adjustable plate 6 to reduce the weight, most tested pieces such as inclinometers and the like have magnetic force, the tested pieces can be clamped by using cast iron materials, and all the other materials are aluminum materials. Due to the fact that the calibration of a precision instrument is achieved, requirements for dimensional accuracy, flatness, roughness and the like of each part are strict. Wherein, the flatness of the use surfaces of the adjustable plate 6 and the base 1 is within 5 μm.
When the calibrating device is used, a certain included angle is formed between the vertical surface of the adjustable plate 6 and the upper surface of the base 1 and a standard revolution surface provided by a multi-tooth dividing table on the theodolite calibrating device, and installation errors can be introduced during calibration. The mounting fixture should be designed to minimize this error. The flatness requirements of two working planes of the clamp are less than or equal to 5 microns, and the verticality and the parallelism of each plane are not more than 10 microns. After the mounting is finished, firstly, the mounting position of a clamp is adjusted, and the included angle between a working surface and a rotation plane is ensured to be less than or equal to 30um/200mm and less than or equal to 60um/100mm by comparing the mounting position with a reference surface provided by a multi-tooth dividing table on a theodolite calibrating device through a meter making method, and the included angle between the working surface and the vertical surface of the rotation plane is ensured to be less than or equal to 60um/100mm and is converted into angles of 0.5 'and 2' respectively;
the specific method comprises the following steps:
firstly, the adjustable plate 6 is fixed on the base 1 through the magnetic gauge stand 2, and the position of the adjustable plate 6 is roughly leveled by naked eyes. The distances from the two ends of the adjustable plate 6 to the standard revolution surface of the transit calibrating device are respectively measured by using a dial indicator and another magnetic gauge seat, and the position of the adjustable plate can meet the requirement as long as the two distances are consistent. Loosening the magnetic gauge stand 2 for fixing the adjustable plate 6, slowly adjusting the position of the adjustable plate 6, opening the magnetic gauge stand 2 to fix the adjustable plate 6 again, measuring the distance between the two ends of the adjustable plate 6 and the standard revolution surface of the theodolite level calibrating device, repeating the operation until the distance between the two ends of the adjustable plate 6 and the standard revolution surface of the theodolite calibrating device is approximately consistent, then fixing the angle measuring piece 5 on the adjustable plate 6 through the fastening bolt 9, and comparing the indication value of the angle measuring piece 5 with the standard angle of the multi-tooth dividing table by driving the multi-tooth dividing table of the theodolite calibrating device to obtain the indication value error.
Has the advantages that: the adjustable plate 6 and the base 1 are fixed through the magnetic meter base 2, so that the relative position of the adjustable plate 6 can be flexibly adjusted through a meter printing method, the position of a standard revolution surface provided by the adjustable plate and the multi-tooth dividing table can meet the use requirement, the angle measuring piece 5 can be fastened by using the magnetic force of the measured piece, and can also be fastened by using the fastening nut 9.
In the description of the present invention, it is to be understood that the terms "center", "length", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "inner", "outer", "peripheral side", "circumferential", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (6)
1. The utility model provides a cooperation theodolite calibrating installation's angle check jig which characterized in that includes:
base (1), one side of base (1) is passed through the connecting piece and is fixed on theodolite calibrating installation, be equipped with adjustable board (6) on base (1), adjustable board (6) are fixed through magnetic gauge stand (2) on base (1), the side of adjustable board (6) is hugged closely and is equipped with angular surveying spare (5), base (1) opposite side is equipped with and is used for locking the retaining member of angular surveying spare (5).
2. The angle calibration fixture of cooperation theodolite calibrating installation of claim 1, characterized in that, the connecting piece is including connecting drum (3) and circular shape connecting plate (4), one side of connecting plate (4) is fixed on base (1), the other side hoop interval is equipped with a plurality ofly connect drum (3), it fixes to connect drum (3) cooperation bolt on the theodolite calibrating installation.
3. The angle checking fixture for the theodolite calibrating device according to claim 2, wherein a pillar (8) is provided at the bottom of the base (1), and the pillar (8) is fixedly connected to the connecting plate (4).
4. The angle checking fixture for a theodolite calibration device according to claim 3, wherein one end of the pillar (8) extends out of the base (1) and is detachably connected with the locking member.
5. The angle calibration jig of cooperation theodolite calibrating device of claim 4, characterized in that, the retaining member includes clamping plate (7) and fastening bolt (9), clamping plate (7) joint pillar (8), be equipped with on clamping plate (7) fastening bolt (9).
6. The angle calibration jig matched with the theodolite calibration device as claimed in any one of claims 1 to 5, wherein the base (1) and the adjustable plate (6) are both made of metal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123029516.3U CN216246402U (en) | 2021-12-01 | 2021-12-01 | Angle calibration clamp matched with theodolite calibration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123029516.3U CN216246402U (en) | 2021-12-01 | 2021-12-01 | Angle calibration clamp matched with theodolite calibration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216246402U true CN216246402U (en) | 2022-04-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123029516.3U Active CN216246402U (en) | 2021-12-01 | 2021-12-01 | Angle calibration clamp matched with theodolite calibration device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216246402U (en) |
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2021
- 2021-12-01 CN CN202123029516.3U patent/CN216246402U/en active Active
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