CN110967043B - Engineering measuring instrument checking device - Google Patents
Engineering measuring instrument checking device Download PDFInfo
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- CN110967043B CN110967043B CN201911390294.2A CN201911390294A CN110967043B CN 110967043 B CN110967043 B CN 110967043B CN 201911390294 A CN201911390294 A CN 201911390294A CN 110967043 B CN110967043 B CN 110967043B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C25/00—Manufacturing, calibrating, cleaning, or repairing instruments or devices referred to in the other groups of this subclass
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Abstract
The invention discloses an engineering measuring instrument checking device, which structurally comprises a light pipe fixing frame, a light pipe, a support, a lifting structure and an instrument table, wherein the light pipe is respectively arranged at two sides of the instrument table, the light pipe is fixed on the light pipe fixing frame, the bottom of the instrument table is connected with the lifting structure, the lifting structure is arranged on the support and comprises a lifting screw rod, a shell, a turbine and a worm, the lifting screw rod penetrates through the shell up and down, the lifting screw rod is in threaded connection with the turbine arranged in the shell, the side surface of the turbine is meshed with the worm, the bottom of the turbine is provided with a fixing structure, the fixing structure is arranged in the shell and comprises a connecting rod, a clamping ring, a double-layer ring, a clamping piece, a handle and a fastening piece, and the invention has the beneficial effects that: the clamping ring can be fixed by the clamping piece through the rotation of the wavy pushing block, so that the turbine is fixed, the turbine is prevented from slowly rotating due to vibration and the like, the instrument table can be stably fixed, and the accuracy of checking is improved.
Description
Technical Field
The invention relates to the field of checking equipment, in particular to a checking device of an engineering measuring instrument.
Background
Along with the continuous improvement of modern engineering measurement technology, the GPS positioning technology is widely applied to various engineering fields, but in the aspect of elevation measurement, the GPS positioning technology is most widely applied or conventional leveling is adopted, the problem of leveling of a plurality of long-distance river-crossing lakes is effectively solved by adopting river-crossing leveling, the current river-crossing leveling projects are also many, the technology is mature, and theodolites, leveling instruments and the like are commonly used in the river-crossing leveling process. Before engineering measurement, the instrument to be used is checked.
In order to enable the instrument desk to keep gravity and uniformly lift by adopting a worm wheel and a worm, the prior art engineering measuring instrument calibration device can not theoretically drive the worm by a worm wheel when the lead angle of the worm is smaller than the friction angle, namely a self-locking worm transmission device can be designed, but in practice, the friction coefficient of a tooth surface is changed from a static friction coefficient to a dynamic friction coefficient due to vibration and the like, so that the engineering measuring instrument calibration device can sometimes rotate slowly, and the complete self-locking is difficult to achieve, so that the instrument desk in the prior art can not realize stable fixation and is easy to generate fine deviation.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides an engineering measuring instrument checking device.
The invention is realized by adopting the following technical scheme: the utility model provides an engineering measuring instrument examines and corrects dress, its structure includes light pipe mount, light pipe, support, elevation structure, instrument platform, the both sides of instrument platform are equipped with the light pipe respectively, the light pipe is fixed on the light pipe mount, instrument platform bottom is connected with elevation structure, elevation structure installs on the support, elevation structure includes lift screw rod, casing, turbine, worm, lift screw rod runs through the casing from top to bottom, lift screw rod with establish at the inside turbine threaded connection of casing, the turbine side meshes with the worm, the turbine bottom is equipped with fixed knot constructs, fixed knot constructs installs inside the casing, fixed knot constructs including connecting rod, clamp ring, bilayer ring, clamp piece, handle, fastener, bilayer ring is established in turbine below and is connected with it through the connecting rod, bilayer ring parcel is in the middle of bilayer ring, install the clamp piece on the bilayer ring, the bilayer ring outside is connected with handle, fastener.
As the optimization, the bilayer ring includes lower ring, goes up ring, baffle, impels the piece, lower ring is fixed in the casing, the lower ring outside is connected with the baffle, lower ring and last ring structure size unanimity, go up the ring and establish in lower ring top and establish in the baffle, it is equipped with impels the piece to go up the intra-annular side.
As optimization, the pushing blocks are provided with 4 pushing blocks which are uniformly distributed on the inner side of the upper ring, and the pushing blocks are in gradual change wavy shapes.
As optimization, the top of the baffle is provided with a top plate perpendicular to the baffle, and the bottom surface of the top plate is attached to the top surface of the upper ring.
As optimization, the lower ring is provided with a through hole, and a clamping piece is arranged at the through hole.
As the optimization, the clamping piece includes spring plate, movable rod, clamping piece, vertical pole, spring, the movable rod runs through the through-hole, the one end that the movable rod is close to the clamp ring is connected with clamping piece, and the other end is connected with the spring plate, be equipped with the spring between spring plate and the lower ring outside, the spring housing is established on the movable rod, the vertical pole is established in the lower ring and bottom and is connected perpendicularly with the movable rod.
As optimization, the cross section of the movable rod is square, and the shape of the through hole penetrated by the movable rod is square.
Preferably, the vertical rod is cylindrical.
Preferably, the clamping members are provided with 4 and are respectively arranged on the 4 through holes.
As optimization, the clamping piece is made of silica gel.
As optimization, 3 to 5 baffles are arranged.
Advantageous effects
When the instrument table is adjusted to a proper height through the lifting structure, the handle is pushed to enable the upper ring to rotate in the baffle plate, so that the contact point of the pushing block and the vertical rod moves from the narrowest position to the thick position, the moving rod is pushed to advance, 4 clamping pieces simultaneously clamp the clamping ring, and then the upper ring is locked through the fastener, so that the clamping ring is fixed, the clamping ring is connected with the turbine, the turbine can be fixed, and the instrument table is stably fixed.
Compared with the prior art, the invention has the beneficial effects that: the clamping ring can be fixed by the clamping piece through the rotation of the wavy pushing block, so that the turbine is fixed, the turbine is prevented from slowly rotating due to vibration and the like, the instrument table can be stably fixed, and the accuracy of checking is improved.
Drawings
Other features, objects and advantages of the present invention will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:
FIG. 1 is a schematic diagram of a calibration device for an engineering measuring instrument.
Fig. 2 is a cross-sectional view of the lifting structure of the present invention.
Fig. 3 is a top view of the fixing structure of the present invention.
FIG. 4 is a schematic view of a double layer ring according to the present invention.
Fig. 5 is a side view of the clamping member of the present invention.
In the figure: the light pipe fixing frame 1, the light pipe 2, the bracket 3, the lifting structure 4, the instrument table 5, the lifting screw 40, the housing 41, the worm gear 42, the worm 43, the fixing structure 6, the connecting rod 60, the clamping ring 61, the double-layer ring 62, the clamping piece 63, the handle 64, the fastener 65, the lower ring 62a, the upper ring 62b, the baffle 62c, the pushing block 62d, the top plate c1, the through hole 62e, the spring plate 63a, the moving rod 63b, the clamping piece 63c, the vertical rod 63d, and the spring 63e.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
Referring to fig. 1-5, the present invention provides a technical solution for a calibration device of an engineering measurement instrument: the structure of the device comprises a light pipe fixing frame 1, a light pipe 2, a support 3, a lifting structure 4 and an instrument table 5, wherein the light pipe 2 is respectively arranged at two sides of the instrument table 5, the light pipe 2 is fixed on the light pipe fixing frame 1, the bottom of the instrument table 5 is connected with the lifting structure 4, the lifting structure 4 is arranged on the support 3, the lifting structure 4 comprises a lifting screw 40, a shell 41, a turbine 42 and a worm 43, the lifting screw 40 penetrates through the shell 41 up and down, the lifting screw 40 is in threaded connection with the turbine 42 arranged in the shell 41, the side surface of the turbine 42 is meshed with the worm 43, the bottom of the turbine 42 is provided with a fixing structure 6, the fixing structure 6 is arranged in the shell 41, the fixing structure 6 comprises a connecting rod 60, a clamping ring 61, a double-layer ring 62, a clamping piece 63, a handle 64 and a fastener 65, the double-layer ring 62 is arranged below the turbine 42 and is connected with the turbine through the connecting rod 60, the double-layer ring 62 is wrapped in the middle of the double-layer ring 62, a clamping piece 63 is arranged on the double-layer ring 62, the outer side of the double-layer ring 62 is connected with a handle 64 and a fastening piece 65, the double-layer ring 62 comprises a lower ring 62a, an upper ring 62b, a baffle plate 62c and a pushing block 62d, the lower ring 62a is fixed in the shell 41, the baffle plate 62c is connected with the outer side of the lower ring 62a, the lower ring 62a is consistent with the upper ring 62b in structure size, the upper ring 62b is arranged above the lower ring 62a and in the baffle plate 62c, the pushing block 62d is arranged on the inner side of the upper ring 62b, the lower ring 62a is in a fixed state, a supporting point can be provided for the upper ring 62b, the centers of the upper ring 62b and the lower ring 62a can be kept consistent all the time by utilizing the baffle plate 62c, the pushing block 62d is provided with 4 evenly distributed on the inner side of the upper ring 62b, the pushing block 62d is in a gradual change wavy shape from thin to thick, the top of the baffle plate 62c is provided with a top plate c1 perpendicular to the top plate c1, the bottom surface of the top plate c1 is attached to the top surface of the upper ring 62b, the height of the upper ring 62b can be limited by the arrangement of the top plate c1, the lower ring 62a is provided with a through hole 62e, a clamping piece 63 is arranged at the through hole 62e, the clamping piece 63 comprises a spring plate 63a, a moving rod 63b, a clamping piece 63c, a vertical rod 63d and a spring 63e, the moving rod 63b penetrates through the through hole 62e, one end, close to the clamping ring 61, of the moving rod 63b is connected with the clamping piece 63c, the other end of the moving rod 63b is connected with the spring plate 63a, a spring 63e is arranged between the spring plate 63a and the outer side of the lower ring 62a, the spring 63e is sleeved on the moving rod 63b, the vertical rod 63d is arranged in the lower ring 62a, the bottom of the vertical rod 63d is vertically connected with the moving rod 63b, and the spring 63e is convenient for resetting of the moving rod 63 b.
Working principle: when the instrument table 5 is adjusted to a proper height by the elevating structure 4, the upper ring 62b is rotated in the baffle 62c by pushing the handle 64, so that the contact point of the pushing block 62d and the vertical rod 63d is moved from the narrowest position to the thick position, so that the moving rod 63b is pushed forward, 4 clamping pieces 63c simultaneously clamp the clamping ring 61, then the upper ring 62b is locked by the fastener 65, so that the clamping ring 61 is fixed, and the clamping ring 61 is connected with the turbine 42, so that the turbine 42 can be fixed, and the instrument table 5 is stably fixed.
Example 2
Referring to fig. 1-5, the present invention provides a technical solution for a calibration device of an engineering measurement instrument: the structure of the device comprises a light pipe fixing frame 1, a light pipe 2, a support 3, a lifting structure 4 and an instrument table 5, wherein the light pipe 2 is respectively arranged at two sides of the instrument table 5, the light pipe 2 is fixed on the light pipe fixing frame 1, the bottom of the instrument table 5 is connected with the lifting structure 4, the lifting structure 4 is arranged on the support 3, the lifting structure 4 comprises a lifting screw 40, a shell 41, a turbine 42 and a worm 43, the lifting screw 40 penetrates through the shell 41 up and down, the lifting screw 40 is in threaded connection with the turbine 42 arranged in the shell 41, the side surface of the turbine 42 is meshed with the worm 43, the bottom of the turbine 42 is provided with a fixing structure 6, the fixing structure 6 is arranged in the shell 41, the fixing structure 6 comprises a connecting rod 60, a clamping ring 61, a double-layer ring 62, a clamping piece 63, a handle 64 and a fastener 65, the double-layer ring 62 is arranged below the turbine 42 and is connected with the turbine through the connecting rod 60, the double-layer ring 62 is wrapped in the middle of the double-layer ring 62, a clamping piece 63 is arranged on the double-layer ring 62, the outer side of the double-layer ring 62 is connected with a handle 64 and a fastening piece 65, the double-layer ring 62 comprises a lower ring 62a, an upper ring 62b, a baffle plate 62c and a pushing block 62d, the lower ring 62a is fixed in the shell 41, the baffle plate 62c is connected with the outer side of the lower ring 62a, the lower ring 62a is consistent with the upper ring 62b in structure size, the upper ring 62b is arranged above the lower ring 62a and in the baffle plate 62c, the pushing block 62d is arranged on the inner side of the upper ring 62b, the lower ring 62a is in a fixed state, a supporting point can be provided for the upper ring 62b, the centers of the upper ring 62b and the lower ring 62a can be kept consistent all the time by utilizing the baffle plate 62c, the pushing block 62d is provided with 4 evenly distributed on the inner side of the upper ring 62b, the pushing block 62d is in a gradual change wavy shape from thin to thick, the top of the baffle plate 62c is provided with a top plate c1 perpendicular to the top plate c1, the bottom surface of the top plate c1 is attached to the top surface of the upper ring 62b, the height of the upper ring 62b can be limited by the arrangement of the top plate c1, the lower ring 62a is provided with a through hole 62e, a clamping piece 63 is arranged at the position of the through hole 62e, the clamping piece 63 comprises a spring plate 63a, a moving rod 63b, a clamping piece 63c, a vertical rod 63d and a spring 63e, the moving rod 63b penetrates through the through hole 62e, one end of the moving rod 63b, which is close to the clamping ring 61, is connected with the clamping piece 63c, the other end of the moving rod 63b is connected with the spring plate 63a, a spring 63e is arranged between the spring plate 63a and the outer side of the lower ring 62a, the spring 63e is sleeved on the moving rod 63b, the vertical rod 63d is arranged in the lower ring 62a, the bottom of the moving rod 63e is vertically connected with the moving rod 63b, the spring 63e is convenient for resetting the moving rod 63b, the cross section of the moving rod 63b is square, the through hole 62b penetrates through the through hole 62e, the moving rod 63b is in the shape, the through hole 62d is 4 pieces, and the cylindrical baffle plates are 4 c are respectively, and the 4 pieces are arranged on the baffle plate and are respectively, and the baffle plates are 4.
The embodiment is further limited on the basis of embodiment 1, the square arrangement can prevent the moving rod 63b from rotating, the vertical rod 63d is ensured to be kept in a vertical state all the time, the vertical rod 63d is cylindrical and can be conveniently contacted with the wavy pushing block 62d, 4 clamping pieces 63 can increase clamping force, the center of the clamping ring 61 is unchanged, the clamping piece 63c made of silica gel can increase friction with the clamping ring 61, the fixing effect is better, and the upper ring 62b can be prevented from being separated from the track by the 3-5 baffles 62 c.
Compared with the prior art, the invention has the technical advantages that: the clamping ring can be fixed by the clamping piece through the rotation of the wavy pushing block, so that the turbine is fixed, the turbine is prevented from slowly rotating due to vibration and the like, the instrument table can be stably fixed, and the accuracy of checking is improved.
Although the present invention has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present invention.
Claims (1)
1. The utility model provides an engineering measuring instrument examines and corrects device, its structure includes light pipe mount (1), light pipe (2), support (3), elevation structure (4), instrument desk (5), the both sides of instrument desk (5) are equipped with light pipe (2) respectively, light pipe (2) are fixed on light pipe mount (1), instrument desk (5) bottom is connected with elevation structure (4), elevation structure (4) are installed on support (3);
the lifting structure (4) comprises a lifting screw (40), a shell (41), a turbine (42) and a worm (43), wherein the lifting screw (40) penetrates through the shell (41) up and down, the lifting screw (40) is in threaded connection with the turbine (42) arranged in the shell (41), the side surface of the turbine (42) is meshed with the worm (43), a fixing structure (6) is arranged at the bottom of the turbine (42), and the fixing structure (6) is arranged in the shell (41);
the fixing structure (6) comprises a connecting rod (60), a clamping ring (61), a double-layer ring (62), a clamping piece (63), a handle (64) and a fastening piece (65), wherein the double-layer ring (62) is arranged below the turbine (42) and connected with the turbine through the connecting rod (60), the clamping piece (63) is arranged on the double-layer ring (62), and the outer side of the double-layer ring (62) is connected with the handle (64) and the fastening piece (65);
the double-layer ring (62) comprises a lower ring (62 a), an upper ring (62 b), a baffle (62 c) and a pushing block (62 d), wherein the lower ring (62 a) is fixed in a shell (41), the baffle (62 c) is connected to the outer side of the lower ring (62 a), the lower ring (62 a) is consistent with the upper ring (62 b) in structure, the upper ring (62 b) is arranged above the lower ring (62 a) and in the baffle (62 c), the pushing block (62 d) is arranged on the inner side of the upper ring (62 b), 4 pushing blocks (62 d) are uniformly distributed on the inner side of the upper ring (62 b), the pushing block (62 d) is in a gradual wave shape, a top plate (c 1) perpendicular to the baffle (62 c) is arranged at the top of the lower ring, a through hole (62 e) is formed in the lower ring (62 a), and a clamping piece (63) is arranged at the through hole (62 e);
the clamping piece (63) comprises a spring plate (63 a), a moving rod (63 b), a clamping piece (63 c), a vertical rod (63 d) and a spring (63 e), wherein the moving rod (63 b) penetrates through a through hole (62 e), one end, close to the clamping ring (61), of the moving rod (63 b) is connected with the clamping piece (63 c), the other end of the moving rod is connected with the spring plate (63 a), the spring (63 e) is arranged between the spring plate (63 a) and the outer side of the lower ring (62 a), the spring (63 e) is sleeved on the moving rod (63 b), the vertical rod (63 d) is arranged in the lower ring (62 a) and the bottom of the vertical rod is vertically connected with the moving rod (63 b), the cross section of the moving rod (63 b) is square, the through hole (62 e) penetrating through the moving rod (63 b) is square, and the vertical rod (63 d) is cylindrical;
when the instrument table (5) is adjusted to be at a proper height through the lifting structure (4), the handle (64) is pushed to enable the upper ring (62 b) to rotate in the baffle plate (62 c), so that the contact point of the pushing block (62 d) and the vertical rod (63 d) is moved from the narrowest position to the thick position, the moving rod (63 b) is pushed to advance, 4 clamping pieces (63 c) simultaneously clamp the clamping ring (61), then the upper ring (62 b) is locked through the fastener (65), so that the clamping ring (61) is fixed, and therefore the clamping ring (61) is connected with the turbine (42), and therefore the turbine (42) can be fixed, and the instrument table (5) is stably fixed; square setting can prevent movable rod (63 b) rotation, guarantees vertical pole (63 d) and keeps vertical state all the time, and vertical pole (63 d) be cylindric can be convenient for with wavy propulsion piece (62 d) contact, 4 clamping pieces (63) can increase the dynamics of pressing from both sides tightly, and can guarantee that the center of clamp ring (61) is unchangeable, and silica gel material's clamp piece (63 c) can increase the friction with clamp ring (61), and fixed effect is better, and 3-5 baffle (62 c) can prevent that upper ring (62 b) from breaking away from the orbit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911390294.2A CN110967043B (en) | 2019-12-30 | 2019-12-30 | Engineering measuring instrument checking device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911390294.2A CN110967043B (en) | 2019-12-30 | 2019-12-30 | Engineering measuring instrument checking device |
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| CN110967043A CN110967043A (en) | 2020-04-07 |
| CN110967043B true CN110967043B (en) | 2023-06-27 |
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| DE102008006489A1 (en) * | 2008-01-29 | 2009-07-30 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Clamping element for force-fit torque-proof clamping of cylindrical shaft section of drive shaft in motor vehicle, has clamping element clamping inner ring against shaft section and comprises two half shells |
| CN202255435U (en) * | 2011-06-30 | 2012-05-30 | 西北工业大学 | Clamp used for internal-bracing sleeve |
| CN102494705B (en) * | 2011-12-12 | 2014-03-19 | 国家海洋标准计量中心 | Fixing clamp special for detecting wave buoys |
| CN203938444U (en) * | 2014-06-20 | 2014-11-12 | 重庆工商职业学院 | A kind of automatic climbing pole equipment |
| US10428924B2 (en) * | 2016-11-17 | 2019-10-01 | Valeo Embrayages | Turbine assembly for hydrokinetic torque converter, and method for making the same |
| CN106737825B (en) * | 2016-12-30 | 2019-02-12 | 哈尔滨工业大学 | A kind of shock resistance flexible joint suitable for mechanical arm |
| CN207197539U (en) * | 2017-09-21 | 2018-04-06 | 陈福平 | A kind of new road engineering surveying instrument calibration equipment |
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| CN109869669A (en) * | 2019-03-04 | 2019-06-11 | 重庆工商职业学院 | A kind of indoor design floor lamp |
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| CN110205967B (en) * | 2019-06-14 | 2021-04-27 | 方远建设集团股份有限公司 | Building construction hole topography ponding remove device |
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