CN215981759U - Forced centering device for precision engineering measurement - Google Patents
Forced centering device for precision engineering measurement Download PDFInfo
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- CN215981759U CN215981759U CN202122702170.2U CN202122702170U CN215981759U CN 215981759 U CN215981759 U CN 215981759U CN 202122702170 U CN202122702170 U CN 202122702170U CN 215981759 U CN215981759 U CN 215981759U
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Abstract
The utility model discloses a forced centering device for precision engineering measurement, which comprises an installation chassis, wherein the bottom of the installation chassis is fixedly connected with an annular installation plate, the top of the installation chassis is provided with a sliding groove in a penetrating manner, the inside of the sliding groove is connected with a support plate in a sliding manner, the bottom end of the support plate penetrates into the annular installation plate through the sliding groove, the top of the support plate is provided with a clamping mechanism, and the bottom of the installation chassis and the inside of the annular installation plate are provided with an adjusting mechanism. This precision engineering measures and forces homing device, when splint were too big to measuring device's thrust, splint passed through the ejector pin and promoted the fly leaf motion to promote the one end roll-off slide opening of pilot bar under the cooperation of first spring, remind the atress of operating personnel measuring device one side too big, prevent that the unilateral atress is too big in the measuring device installation, produce centering error, guarantee measuring device's follow-up measurement accuracy.
Description
Technical Field
The utility model relates to the technical field of engineering measurement, in particular to a forced centering device for precision engineering measurement.
Background
The engineering measurement is an important component of engineering construction, and comprises control measurement and topographic measurement in a planning and design stage, construction measurement, equipment installation measurement and completion measurement in a construction stage, deformation measurement in an operation and management stage and the like. For large-scale engineering and special engineering, such as railways, tunnels, mines, bridges, national defense engineering and the like, precise engineering measurement is required to be carried out so as to adapt to high standard requirements provided by construction, positioning or deformation observation of the engineering.
In order to ensure high precision of observation data and reliability of results, a conventional temporary tripod erecting instrument is not generally used in precision engineering measurement, but an observation pier or a permanent steel tripod is established to eliminate centering errors of a repeatedly erected instrument. The existing centering device is usually matched with a plurality of push rods, the measuring device is limited and fixed from a plurality of angles, the measuring device is fixed on an observation pier, the acting force of each push rod on the measuring device cannot be the same in actual operation, and when the thrust of the push rods is different, centering errors are easily generated, and the subsequent measurement precision of the measuring device is seriously influenced.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects of the prior art, the utility model provides a forced centering device for precision engineering measurement, which solves the problems that the acting force of each push rod on a measuring device cannot be the same in actual operation, and when the pushing force of the push rod is different, centering errors are easily generated, and the subsequent measurement precision of measuring equipment is seriously influenced.
In order to achieve the purpose, the utility model is realized by the following technical scheme: a forced centering device for precision engineering measurement comprises an installation chassis, wherein an annular mounting plate is fixedly connected to the bottom of the installation chassis, a sliding groove is formed in the top of the installation chassis in a penetrating mode, a supporting plate is connected to the inside of the sliding groove in a sliding mode, the bottom end of the supporting plate penetrates into the annular mounting plate through the sliding groove, a clamping mechanism is arranged at the top of the supporting plate, an adjusting mechanism is arranged at the bottom of the installation chassis and located inside the annular mounting plate and fixedly connected with the supporting plate, the clamping mechanism comprises a fixing cylinder, the fixing cylinder is fixedly connected with the top of the supporting plate, a movable plate is connected between the top and the bottom of the inner wall of the fixing cylinder in a sliding mode, an ejector rod is fixedly connected to the left side of the movable plate, one end, far away from the movable plate, of the ejector rod penetrates through the fixing cylinder and extends to the outside of the fixing cylinder, the ejector pin is located the outside one end fixedly connected with splint of solid fixed cylinder, the right side fixedly connected with pilot lever of fly leaf, the sliding hole has been run through to one side of solid fixed cylinder, pilot lever and sliding hole sliding connection, the top of solid fixed cylinder is provided with the debugging mechanism, the debugging mechanism is including installation section of thick bamboo, sliding connection has the slide between the both sides of installation section of thick bamboo inner wall, the top fixedly connected with second spring of slide, the bottom fixedly connected with gag lever post of slide, the gag lever post runs through installation section of thick bamboo and solid fixed cylinder and extends to the inside of solid fixed cylinder.
Preferably, the surface of the ejector rod is fixedly connected with a first spring on the left side of the movable plate, and one end of the first spring, which is far away from the movable plate, is fixedly connected with the left side of the inner wall of the fixed cylinder.
Preferably, the top end of the second spring is fixedly connected with an adjusting block, and two ends of the adjusting block are connected with two sides of the inner wall of the mounting cylinder in a sliding mode.
Preferably, the top of regulating block is rotated and is connected with first threaded rod, the top of first threaded rod runs through the installation section of thick bamboo and extends to the outside of installation section of thick bamboo.
Preferably, the adjusting mechanism comprises four second threaded rods, the four second threaded rods are rotatably connected with the bottom of the mounting chassis through bearings, bevel gears are fixedly connected to the ends, close to each other, of the four second threaded rods, and the four bevel gears are meshed in sequence.
Preferably, the surface of the second threaded rod is connected with a threaded sleeve in a threaded manner, the threaded sleeve is fixedly connected with the supporting plate, and one end, far away from the bevel gear, of the second threaded rod penetrates through the annular mounting plate and extends to the outside of the annular mounting plate.
Advantageous effects
The utility model provides a forced centering device for precision engineering measurement. Compared with the prior art, the method has the following beneficial effects:
(1) the forced centering device for precision engineering measurement is characterized in that a sliding groove is formed in the top of an installation chassis in a penetrating mode, a supporting plate is connected to the inside of the sliding groove in a sliding mode, the bottom end of the supporting plate penetrates into the annular mounting plate through the sliding groove, a clamping mechanism is arranged on the top of the supporting plate, an adjusting mechanism is arranged on the bottom of the installation chassis and located inside the annular mounting plate and fixedly connected with the supporting plate, the clamping mechanism comprises a fixed cylinder, the fixed cylinder is fixedly connected with the top of the supporting plate, a movable plate is connected between the top and the bottom of the inner wall of the fixed cylinder in a sliding mode, an ejector rod is fixedly connected to the left side of the movable plate on the surface of the ejector rod, a first spring is fixedly connected to the left side of the inner wall of the fixed cylinder, one end, away from the movable plate, of the ejector rod penetrates through the fixed cylinder and extends to the outside of the fixed cylinder, the ejector pin is located the outside one end fixedly connected with splint of solid fixed cylinder, the right side fixedly connected with pilot lever of fly leaf, the sliding hole has been seted up in one side of solid fixed cylinder through running through, pilot lever and sliding hole sliding connection, the top of solid fixed cylinder is provided with the debugging mechanism, when splint are too big to measuring device's thrust, splint promote the fly leaf motion through the ejector pin, and promote the one end roll-off sliding hole of pilot lever under the cooperation of first spring, remind the atress of operating personnel measuring device one side too big, prevent that the unilateral atress is too big in the measuring device installation, produce centering error, guarantee measuring device's follow-up measurement accuracy.
(2) This accurate engineering measurement forces device of returning to heart, including the installation section of thick bamboo through the adjustment mechanism, sliding connection has the slide between the both sides of installation section of thick bamboo inner wall, the top fixedly connected with second spring of slide, the bottom fixedly connected with gag lever post of slide, the gag lever post runs through the inside of installation section of thick bamboo and solid fixed cylinder and extend to solid fixed cylinder, the top fixedly connected with regulating block of second spring, the both ends of regulating block and the both sides sliding connection of installation section of thick bamboo inner wall, the top of regulating block is rotated and is connected with first threaded rod, the top of first threaded rod is run through the installation section of thick bamboo and is extended to the outside of installation section of thick bamboo, conveniently install and debug this device of returning to the heart in earlier stage, when changing fixed different measuring device through the pretightning force that rotates first threaded rod change second spring, splint are to measuring device's thrust, improve the application scope of this device of returning to the heart.
Drawings
FIG. 1 is a perspective view of the structure of the present invention;
FIG. 2 is a bottom view of the structure of the present invention;
FIG. 3 is a cross-sectional view of the clamping mechanism of the present invention;
fig. 4 is a partial enlarged view of the utility model at a in fig. 3.
In the figure: the device comprises a mounting base plate 1, a ring-shaped mounting plate 2, a sliding groove 3, a supporting plate 4, a clamping mechanism 5, a fixed barrel 51, a movable plate 52, a mandril 53, a clamping plate 54, an indicating rod 55, a sliding hole 56, a first spring 57, an adjusting mechanism 6, a second threaded rod 61, a bevel gear 62, a threaded sleeve 63, a debugging mechanism 7, a mounting barrel 71, a sliding plate 72, a second spring 73, a limiting rod 74, an adjusting block 75 and a first threaded rod 76.
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. 1-4, the present invention provides a technical solution: a forced centering device for precision engineering measurement comprises an installation chassis 1, wherein the bottom of the installation chassis 1 is fixedly connected with an annular installation plate 2, the top of the installation chassis 1 is provided with a sliding groove 3 in a penetrating manner, the inside of the sliding groove 3 is connected with a support plate 4 in a sliding manner, the bottom end of the support plate 4 penetrates into the annular installation plate 2 through the sliding groove 3, the top of the support plate 4 is provided with a clamping mechanism 5, the bottom of the installation chassis 1 and the inside of the annular installation plate 2 are provided with an adjusting mechanism 6, the adjusting mechanism 6 is fixedly connected with the support plate 4, the adjusting mechanism 6 comprises four second threaded rods 61, one end of each second threaded rod 61 is fixedly connected with an adjusting hand wheel, the four second threaded rods 61 are rotatably connected with the bottom of the installation chassis 1 through bearings, one ends of the four second threaded rods 61, which are close to each other, are fixedly connected with bevel gears 62, and the four bevel gears 62 are sequentially meshed, the surfaces of the four second threaded rods 61 are all in threaded connection with threaded sleeves 63, when the four second threaded rods 61 are matched with the four threaded sleeves 63 to enable the second threaded rods 61 to rotate, the four threaded sleeves 63 can move towards or away from each other simultaneously, the threaded sleeves 63 are fixedly connected with the support plate 4, one end, away from the bevel gear 62, of each second threaded rod 61 penetrates through the annular mounting plate 2 and extends to the outside of the annular mounting plate 2, the clamping mechanism 5 comprises a fixed cylinder 51, the fixed cylinder 51 is fixedly connected with the top of the support plate 4, a movable plate 52 is slidably connected between the top and the bottom of the inner wall of the fixed cylinder 51, a top rod 53 is fixedly connected to the left side of the movable plate 52, the surface of the top rod 53 is fixedly connected with a first spring 57 located on the left side of the movable plate 52, the first spring 57 is in a compressed state, one end, away from the movable plate 52, of the first spring 57 is fixedly connected with the left side of the inner wall of the fixed cylinder 51, one end of the ejector rod 53, which is far away from the movable plate 52, penetrates through the fixed cylinder 51 and extends to the outside of the fixed cylinder 51, one end of the ejector rod 53, which is located at the outside of the fixed cylinder 51, is fixedly connected with a clamping plate 54, the right side of the movable plate 52 is fixedly connected with an indicating rod 55, one side of the fixed cylinder 51 is penetrated and provided with a sliding hole 56, the indicating rod 55 is in sliding connection with the sliding hole 56, and the top of the fixed cylinder 51 is provided with a debugging mechanism 7; debugging mechanism 7 includes installation section of thick bamboo 71, sliding connection has slide 72 between the both sides of installation section of thick bamboo 71 inner wall, the top fixedly connected with second spring 73 of slide, second spring 73 is in compression state, the top fixedly connected with regulating block 75 of second spring 73, the both ends of regulating block 75 and the both sides sliding connection of installation section of thick bamboo 71 inner wall, the top of regulating block 75 is rotated and is connected with first threaded rod 76, the one end fixedly connected with adjusting hand wheel of first threaded rod 76, the outside of installation section of thick bamboo 71 and extension to installation section of thick bamboo 71 is run through on the top of first threaded rod 76, the bottom fixedly connected with gag lever post 74 of slide 72, gag lever post 74 runs through installation section of thick bamboo 71 and fixed cylinder 51 and extends to the inside of fixed cylinder 51.
When the device is fixed on an observation pier, a connecting line between the center of an installation chassis 1 and the center of the observation pier is vertical to a horizontal plane, and a measuring device needs to be centered and fixed, a regulating hand wheel is rotated to drive a second threaded rod 61 to rotate, the second threaded rod 61 rotates to drive a bevel gear 62 to rotate, four bevel gears 62 and the second threaded rod 61 are driven to rotate together through meshing, the second threaded rod 61 rotates to move along a sliding groove 3 through a threaded sleeve 63 and a supporting plate 4, so as to drive a clamping mechanism 5 to fix the measuring device, when the supporting plate 4 drives a clamping mechanism 5 to move, a clamping plate 54 firstly contacts with the measuring device and pushes the measuring device, when the thrust of the clamping plate on the measuring device is overlarge, a clamping plate 54 pushes a movable plate 52 to move through a mandril 53, the movable plate 52 moves to push a limiting rod 74 upwards, the limiting rod 74 moves upwards and loses the limiting effect on the movable plate 52, the movable plate 52 pushes one end of the indication rod 55 to slide out of the sliding hole 56 under the action of the first spring 57, so that the operator is prompted to have too large stress on one side of the measuring device, and the operator can conveniently center and fix the measuring device again.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
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 device of returning home is forced in precision engineering measurement, includes installation chassis (1), the bottom fixedly connected with annular mounting panel (2) of installation chassis (1), its characterized in that: a sliding groove (3) is formed in the top of the mounting chassis (1) in a penetrating mode, a supporting plate (4) is connected to the inside of the sliding groove (3) in a sliding mode, the bottom end of the supporting plate (4) penetrates into the annular mounting plate (2) through the sliding groove (3), a clamping mechanism (5) is arranged on the top of the supporting plate (4), an adjusting mechanism (6) is arranged at the bottom of the mounting chassis (1) and located inside the annular mounting plate (2), and the adjusting mechanism (6) is fixedly connected with the supporting plate (4);
the clamping mechanism (5) comprises a fixed cylinder (51), the fixed cylinder (51) is fixedly connected with the top of the supporting plate (4), a movable plate (52) is connected between the top and the bottom of the inner wall of the fixed cylinder (51) in a sliding manner, a top rod (53) is fixedly connected to the left side of the movable plate (52), one end, far away from the movable plate (52), of the top rod (53) penetrates through the fixed cylinder (51) and extends to the outside of the fixed cylinder (51), one end, located outside the fixed cylinder (51), of the top rod (53) is fixedly connected with a clamping plate (54), an indicating rod (55) is fixedly connected to the right side of the movable plate (52), a sliding hole (56) is formed in one side of the fixed cylinder (51) in a penetrating manner, the indicating rod (55) is connected with the sliding hole (56) in a sliding manner, and a debugging mechanism (7) is arranged at the top of the fixed cylinder (51);
debugging mechanism (7) are including installation section of thick bamboo (71), sliding connection has slide (72) between the both sides of installation section of thick bamboo (71) inner wall, the top fixedly connected with second spring (73) of slide, the bottom fixedly connected with gag lever post (74) of slide (72), gag lever post (74) run through installation section of thick bamboo (71) and solid fixed cylinder (51) and extend to the inside of solid fixed cylinder (51).
2. The precision engineering measurement forced centering device according to claim 1, wherein: the surface of the ejector rod (53) is fixedly connected with a first spring (57) on the left side of the movable plate (52), and one end, far away from the movable plate (52), of the first spring (57) is fixedly connected with the left side of the inner wall of the fixed cylinder (51).
3. The precision engineering measurement forced centering device according to claim 1, wherein: the top end of the second spring (73) is fixedly connected with an adjusting block (75), and two ends of the adjusting block (75) are connected with two sides of the inner wall of the mounting cylinder (71) in a sliding mode.
4. The precision engineering measurement forced centering device according to claim 3, wherein: the top of the adjusting block (75) is rotatably connected with a first threaded rod (76), and the top end of the first threaded rod (76) penetrates through the mounting cylinder (71) and extends to the outside of the mounting cylinder (71).
5. The precision engineering measurement forced centering device according to claim 1, wherein: the adjusting mechanism (6) comprises four second threaded rods (61), the four second threaded rods (61) are rotatably connected with the bottom of the mounting base plate (1) through bearings, four bevel gears (62) are fixedly connected to one ends, close to each other, of the second threaded rods (61), and the four bevel gears (62) are meshed in sequence.
6. The precision engineering measurement forced centering device according to claim 5, wherein: the surfaces of the four second threaded rods (61) are all connected with threaded sleeves (63) in a threaded mode, the threaded sleeves (63) are fixedly connected with the supporting plate (4), and one ends, far away from the bevel gears (62), of the second threaded rods (61) penetrate through the annular mounting plate (2) and extend to the outside of the annular mounting plate (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122702170.2U CN215981759U (en) | 2021-11-06 | 2021-11-06 | Forced centering device for precision engineering measurement |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122702170.2U CN215981759U (en) | 2021-11-06 | 2021-11-06 | Forced centering device for precision engineering measurement |
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| Publication Number | Publication Date |
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| CN215981759U true CN215981759U (en) | 2022-03-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122702170.2U Active CN215981759U (en) | 2021-11-06 | 2021-11-06 | Forced centering device for precision engineering measurement |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116857500A (en) * | 2023-07-03 | 2023-10-10 | 杭州市勘测设计研究院有限公司 | Forced centering device for gyro total station |
-
2021
- 2021-11-06 CN CN202122702170.2U patent/CN215981759U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116857500A (en) * | 2023-07-03 | 2023-10-10 | 杭州市勘测设计研究院有限公司 | Forced centering device for gyro total station |
| CN116857500B (en) * | 2023-07-03 | 2023-12-29 | 杭州市勘测设计研究院有限公司 | Forced centering device for gyro total station |
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