CN113404986A - Engineering measurement equipment for urban and rural planning - Google Patents
Engineering measurement equipment for urban and rural planning Download PDFInfo
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- CN113404986A CN113404986A CN202110671844.9A CN202110671844A CN113404986A CN 113404986 A CN113404986 A CN 113404986A CN 202110671844 A CN202110671844 A CN 202110671844A CN 113404986 A CN113404986 A CN 113404986A
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- 238000005259 measurement Methods 0.000 title claims abstract description 23
- 230000005484 gravity Effects 0.000 claims abstract description 37
- 239000007788 liquid Substances 0.000 claims description 26
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 14
- 230000007246 mechanism Effects 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 7
- 239000011810 insulating material Substances 0.000 claims description 4
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 238000013459 approach Methods 0.000 claims description 2
- 230000000903 blocking effect Effects 0.000 claims 1
- 238000005096 rolling process Methods 0.000 description 8
- 230000009471 action Effects 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/06—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
- F16F15/067—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs using only wound springs
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
- F16M11/06—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting
- F16M11/12—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting in more than one direction
- F16M11/14—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting in more than one direction with ball-joint
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/16—Details concerning attachment of head-supporting legs, with or without actuation of locking members thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/18—Heads with mechanism for moving the apparatus relatively to the stand
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/20—Undercarriages with or without wheels
- F16M11/22—Undercarriages with or without wheels with approximately constant height, e.g. with constant length of column or of legs
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M7/00—Details of attaching or adjusting engine beds, frames, or supporting-legs on foundation or base; Attaching non-moving engine parts, e.g. cylinder blocks
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C15/00—Surveying instruments or accessories not provided for in groups G01C1/00 - G01C13/00
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Pivots And Pivotal Connections (AREA)
Abstract
The invention provides engineering measurement equipment for urban and rural planning, which comprises a support, wherein the support comprises an annular base body, the annular base body is provided with support legs, a rotating ball is arranged on the annular base body in a ball-and-socket fit mode, a bearing plate used for bearing a measurement equipment body is arranged above the annular base body and is arranged below the annular base body, a gravity block is arranged below the annular base body and a fine adjustment device is arranged between the gravity block and the rotating ball, so that the technical problem of improving the leveling precision is solved.
Description
Technical Field
The invention relates to engineering measurement equipment for urban and rural planning.
Background
The urban and rural planning is a general term of urban system planning, urban planning, town planning, village planning and village planning; the method is used for the comprehensive deployment, specific arrangement and implementation management of urban and rural social and economic development, land utilization, spatial layout and various constructions in a certain period.
In the urban and rural planning process, engineering measurement needs to be carried out according to local conditions, high-precision engineering measurement equipment is needed, the engineering measurement equipment in the prior art is usually directly placed on a tripod, the tripod does not have a leveling function, leveling errors are increased, and the improvement of measurement precision is not facilitated.
Disclosure of Invention
The invention provides engineering measurement equipment for urban and rural planning, which aims to solve the technical problem of improving the leveling precision.
The technical scheme of the invention is realized as follows: the utility model provides an engineering surveying equipment for town and country planning, includes the support, and the support includes annular pedestal, annular pedestal is equipped with the landing leg, annular pedestal ball socket cooperation is equipped with the rolling ball, the rolling ball is equipped with the loading board that is used for bearing the measuring equipment body in annular pedestal top, the rolling ball is equipped with the gravity piece in the below of annular pedestal, be equipped with micromatic setting between gravity piece and the rolling ball.
Furthermore, the fine adjustment device comprises an upper disc fixedly connected with the rotating ball and a lower disc fixedly connected with the gravity block, and torsion elastic strips are circumferentially distributed between the upper disc and the lower disc.
Further, the fine adjustment device is provided with a release mechanism, the release mechanism comprises a push rod fixed relative to the upper disc and a sleeve matched with the push rod in a sliding and sealing manner, the lower end of the sleeve is fixed relative to the lower disc, a first cavity with the volume changing along with the up-and-down sliding of the push rod is arranged between the lower end of the push rod and the lower end of the sleeve, the first cavity is filled with a conductive liquid, the push rod is provided with a second cavity communicated with the first cavity through a communicating conical hole, a stop head used for being matched with the communicating conical hole to stop the conductive liquid from flowing from the second cavity to the first cavity is arranged in the second cavity, the stop head is provided with a flow guide hole with the diameter smaller than that of the communicating conical hole to enable the conductive liquid to slowly flow from the second cavity to the first cavity, the second cavity is provided with a fixing plate, a return elastic piece is arranged between the fixing plate and the stop head, and the lower end of the push rod is provided with the conductive head, the circuit switches on when conducting head and conducting liquid contact, the ejector pin is insulating material, the sleeve articulates there is the locking plate that is used for playing the positioning action when hanging wall, lower wall keep away from relatively, the sleeve is equipped with and is used for adsorbing the electro-magnet that the locking plate so that hanging wall, lower wall begin to be close to relatively when the circuit switches on.
Furthermore, the lower part of the stopping head is hemispherical, and the upper part of the stopping head is cylindrical, so that the deflection of the diversion hole is avoided.
Furthermore, the rotating ball is connected with the bearing plate through a support rod so as to prevent the bearing plate from influencing the rotation of the rotating ball.
Furthermore, the locking plate is provided with meshing teeth which are meshed with the upper disc to limit the relative approach of the upper disc and the lower disc.
Furthermore, a sealing ring is arranged between the ejector rod and the sleeve.
Furthermore, the fixing plate is provided with a through hole for circulating the conductive liquid.
Further, the return elastic member is a helical compression spring.
Further, the gravity block is spherical.
By adopting the technical scheme, the invention has the beneficial effects that: the support of the engineering measurement equipment for urban and rural planning pulls the lower disc to be far away from the upper disc under the action of centrifugal force, the torsion elastic strip is stretched and twisted at the same time, and the rotating gravity block is beneficial to keeping the stability of the gravity block so as to improve the leveling precision of the bearing plate; and the impact of the gravity block is effectively buffered by stretching the torsion elastic strip, the self vibration of the gravity block is reduced, and the self stability of the gravity block is improved so as to improve the leveling precision of the bearing plate.
Further, the conductive liquid enters the first chamber from the flow guide hole, after the gravity block stops swinging, the first chamber is filled with the conductive liquid, the conductive head is in contact with the conductive liquid to conduct a circuit, at the moment, the electromagnet is electrified to generate suction force on the locking sheet to enable the locking sheet to be in contact with and lock the upper disc, at the moment, the upper disc and the lower disc are relatively close to each other under the action of the torsion elastic strip, the gravity block can cross a balance point with the elasticity of the torsion elastic strip equal to the gravity of the gravity block under the inertia effect to continuously rise, at the moment, the torsion elastic strip is compressed and twisted, at the moment, the contact force between the rotating ball and the annular seat body is reduced, the friction force between the rotating ball and the annular seat body is reduced, the gravity block can further adjust the vertical degree of the push rod, further adjust the levelness of the bearing plate, at the moment, the twisting of the torsion elastic strip drives the rotating ball to rotate relative to the annular seat body, and the rotating ball is changed from static friction to dynamic friction between the annular seat body, further reduced the frictional force between rolling ball and the annular pedestal, thereby prevented to glue between rolling ball and the annular pedestal and improve the adjustment accuracy.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of a stent according to the present invention;
FIG. 2 is a structural cross-sectional view of the stent of the present invention;
FIG. 3 is an enlarged view at III of FIG. 2;
FIG. 4 is an enlarged view taken at II in FIG. 2;
fig. 5 is an enlarged view of fig. 1 at I.
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.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but 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, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
An embodiment 1 of an engineering measurement device for urban and rural planning, as shown in fig. 1-5, comprises a support, the support comprises an annular base 1, the annular base is provided with support legs 2, a ball socket of the annular base is matched with a rotating ball 3, the rotating ball is provided with a bearing plate 4 for bearing a measurement device body above the annular base, the rotating ball is provided with a gravity block 5 below the annular base, and a fine adjustment device is arranged between the gravity block and the rotating ball.
The fine adjustment device comprises an upper disc 6 fixedly connected with the rotating ball and a lower disc 7 fixedly connected with the gravity block, and torsion elastic strips 8 are circumferentially distributed between the upper disc and the lower disc.
The fine adjustment device is provided with a release mechanism, the release mechanism comprises a push rod 9 fixed relative to the upper disc and a sleeve 10 matched with the push rod in a sliding and sealing way, the lower end of the sleeve is fixed relative to the lower disc, a first cavity 11 with the volume changing along with the up-and-down sliding of the push rod is arranged between the lower end of the push rod and the lower end of the sleeve, the first cavity is filled with conductive liquid, the push rod is provided with a second cavity 13 communicated with the first cavity through a communicating taper hole 12, a stop head 14 used for being matched with the communicating taper hole to stop the conductive liquid from flowing from the second cavity to the first cavity is arranged in the second cavity, the stop head is provided with a flow guide hole 15 with the diameter smaller than the communicating taper hole to slowly enable the conductive liquid to flow from the second cavity to the first cavity, the second cavity is provided with a fixing plate 16, a return elastic piece 17 is arranged between the fixing plate and the stop head, the lower end of the push rod is provided with a conductive head 18, when the conductive head is contacted with the conductive liquid, a circuit is conducted, the ejector rod is made of insulating materials, the sleeve is hinged with a locking piece 19 which is used for positioning when the upper disc and the lower disc are relatively far away, and the sleeve is provided with an electromagnet 20 which is used for adsorbing the locking piece when a circuit is switched on so that the upper disc and the lower disc start to be relatively close.
An embodiment 2 of an engineering measurement device for urban and rural planning, as shown in fig. 1-5, comprises a support, the support comprises an annular base 1, the annular base is provided with support legs 2, a ball socket of the annular base is matched with a rotating ball 3, the rotating ball is provided with a bearing plate 4 for bearing a measurement device body above the annular base, the rotating ball is provided with a gravity block 5 below the annular base, and a fine adjustment device is arranged between the gravity block and the rotating ball.
The fine adjustment device comprises an upper disc 6 fixedly connected with the rotating ball and a lower disc 7 fixedly connected with the gravity block, and torsion elastic strips 8 are circumferentially distributed between the upper disc and the lower disc.
The fine adjustment device is provided with a release mechanism, the release mechanism comprises a push rod 9 fixed relative to the upper disc and a sleeve 10 matched with the push rod in a sliding and sealing way, the lower end of the sleeve is fixed relative to the lower disc, a first cavity 11 with the volume changing along with the up-and-down sliding of the push rod is arranged between the lower end of the push rod and the lower end of the sleeve, the first cavity is filled with conductive liquid, the push rod is provided with a second cavity 13 communicated with the first cavity through a communicating taper hole 12, a stop head 14 used for being matched with the communicating taper hole to stop the conductive liquid from flowing from the second cavity to the first cavity is arranged in the second cavity, the stop head is provided with a flow guide hole 15 with the diameter smaller than the communicating taper hole to slowly enable the conductive liquid to flow from the second cavity to the first cavity, the second cavity is provided with a fixing plate 16, a return elastic piece 17 is arranged between the fixing plate and the stop head, the lower end of the push rod is provided with a conductive head 18, when the conductive head is contacted with the conductive liquid, a circuit is conducted, the ejector rod is made of insulating materials, the sleeve is hinged with a locking piece 19 which is used for positioning when the upper disc and the lower disc are relatively far away, the sleeve is provided with an electromagnet 20 which is used for adsorbing the locking piece when a circuit is switched on so that the upper disc and the lower disc start to be relatively close, the lower part of the stopping head is hemispherical, the upper part of the stopping head is cylindrical so as to avoid deviation of a flow guide hole, the rotating ball is connected with the bearing plate through a support rod 21 so as to avoid the bearing plate from influencing the rotation of the rotating ball, the locking piece is provided with engaging teeth 22 which are engaged with the upper disc so as to limit the upper disc and the lower disc to be relatively close, a sealing ring 23 is arranged between the ejector rod and the sleeve, the fixing plate is provided with a through hole 24 for circulating conducting liquid, the return elastic piece is a spiral compression spring, and the gravity block is spherical.
When the support is used, the support is placed on the ground, then the gravity block 5 is pushed to enable the gravity block to swing, at the moment, the gravity block 5 pulls 7 the lower disc to be far away from the upper disc 6 under the action of centrifugal force, at the moment, the torsion elastic strip 8 is stretched and twisted at the same time, the stretching of the torsion elastic strip 8 enables the volume of the first chamber to be increased, so that the conductive head is not in contact with the conductive liquid at the moment, the torsion of the torsion elastic strip 8 drives the gravity block 5 to rotate, and the rotating gravity block 5 is beneficial to keeping the self stability so as to improve the leveling precision of the bearing plate; the conductive liquid enters the first chamber from the flow guide hole, when the gravity block stops swinging, the first chamber is filled with the conductive liquid, the conductive head is in contact with the conductive liquid to conduct a circuit, the electromagnet is electrified to generate suction force on the locking sheet to enable the locking sheet to be in contact with and lock the upper disc, the upper disc and the lower disc are relatively close to each other under the action of the torsion elastic strip, the gravity block can cross a balance point with the elasticity of the torsion elastic strip equal to the gravity of the gravity block under the inertia effect to continuously rise, the torsion elastic strip is compressed and twisted at the moment, the contact force between the rotating ball and the annular seat body is reduced, the friction force between the rotating ball and the annular seat body is reduced, the gravity block can further adjust the vertical degree of the push rod, the levelness of the bearing plate is further adjusted, the torsion elastic strip drives the rotating ball to rotate relative to the annular seat body at the moment, and the static friction between the rotating ball and the annular seat body is converted into dynamic friction, further reduced the frictional force between rolling ball and the annular pedestal, thereby prevented to glue between rolling ball and the annular pedestal and improve the adjustment accuracy.
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 invention, 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 (10)
1. The utility model provides an engineering survey equipment for town and country planning, includes the support, its characterized in that, the support includes annular pedestal, annular pedestal is equipped with the landing leg, annular pedestal ball socket cooperation is equipped with the turning ball, the turning ball is equipped with the loading board that is used for bearing the measuring equipment body in annular pedestal top, the turning ball is equipped with the gravity piece in the below of annular pedestal, be equipped with micromatic setting between gravity piece and the turning ball.
2. The engineering measurement equipment for urban and rural planning according to claim 1, wherein the fine adjustment device comprises an upper disc fixedly connected with the rotating ball and a lower disc fixedly connected with the gravity block, and torsion elastic strips are circumferentially distributed between the upper disc and the lower disc.
3. The engineering measurement equipment for urban and rural planning according to claim 2, wherein the fine adjustment device is provided with a release mechanism, the release mechanism comprises an ejector rod fixed relative to the upper disc and a sleeve in sliding and sealing fit with the ejector rod, the lower end of the sleeve is fixed relative to the lower disc, a first chamber with a volume changing along with the up-and-down sliding of the ejector rod is arranged between the lower end of the ejector rod and the lower end of the sleeve, the first chamber is filled with the conductive liquid, the ejector rod is provided with a second chamber communicated with the first chamber through a communicating conical hole, a stopping head for blocking the conductive liquid from flowing from the second chamber to the first chamber through cooperation with the communicating conical hole is arranged in the second chamber, the stopping head is provided with a flow guide hole with a diameter smaller than that of the communicating conical hole so that the conductive liquid slowly flows from the second chamber to the first chamber, the second chamber is provided with a fixing plate, the electromagnetic switch comprises a fixed plate, a stopping head, a top push rod, a sleeve and a circuit, wherein a return elastic piece is arranged between the fixed plate and the stopping head, a conductive head is arranged at the lower end of the top push rod, the circuit is conducted when the conductive head is contacted with conductive liquid, the top push rod is made of insulating materials, the sleeve is hinged with a locking sheet which plays a role in positioning when an upper disc and a lower disc are relatively far away, and the sleeve is provided with an electromagnet which is used for adsorbing the locking sheet to enable the upper disc and the lower disc to be relatively close to each other when the circuit is switched on.
4. The engineering measurement equipment for urban and rural planning according to claim 3, wherein the lower part of the stopping head is hemispherical, and the upper part of the stopping head is cylindrical, so as to avoid the deflection of the diversion hole.
5. The engineering survey equipment for urban and rural planning according to claim 4, wherein the rotating ball is connected with the bearing plate through a support rod to prevent the bearing plate from influencing the rotation of the rotating ball.
6. The engineering measurement equipment for urban and rural planning according to claim 5, wherein the locking plate is provided with meshing teeth which are meshed with the upper plate to limit the relative approach of the upper plate and the lower plate.
7. The engineering measurement equipment for urban and rural planning according to claim 6, wherein a sealing ring is arranged between the ejector rod and the sleeve.
8. The engineering measurement device for urban and rural planning according to claim 7, wherein the fixing plate is provided with a through hole for circulating a conductive liquid.
9. The engineering measurement device for urban and rural planning according to claim 8, characterized in that the return elastic member is a helical compression spring.
10. The engineering measurement device for urban and rural planning according to claim 9, characterized in that the gravity block is spherical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110671844.9A CN113404986A (en) | 2021-06-17 | 2021-06-17 | Engineering measurement equipment for urban and rural planning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110671844.9A CN113404986A (en) | 2021-06-17 | 2021-06-17 | Engineering measurement equipment for urban and rural planning |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113404986A true CN113404986A (en) | 2021-09-17 |
Family
ID=77684691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110671844.9A Withdrawn CN113404986A (en) | 2021-06-17 | 2021-06-17 | Engineering measurement equipment for urban and rural planning |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113404986A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113915479A (en) * | 2021-11-12 | 2022-01-11 | 黄冰莹 | Instrument and meter with unable adjustment base |
| CN114370580A (en) * | 2021-12-29 | 2022-04-19 | 江苏一诺测控科技有限公司 | Quick automatic leveling support of measuring instrument based on gravity |
| CN114962870A (en) * | 2022-04-12 | 2022-08-30 | 北京电子工程总体研究所 | Balancing device |
-
2021
- 2021-06-17 CN CN202110671844.9A patent/CN113404986A/en not_active Withdrawn
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113915479A (en) * | 2021-11-12 | 2022-01-11 | 黄冰莹 | Instrument and meter with unable adjustment base |
| CN114370580A (en) * | 2021-12-29 | 2022-04-19 | 江苏一诺测控科技有限公司 | Quick automatic leveling support of measuring instrument based on gravity |
| CN114370580B (en) * | 2021-12-29 | 2022-09-27 | 江苏一诺测控科技有限公司 | Quick automatic leveling support of measuring instrument based on gravity |
| CN114962870A (en) * | 2022-04-12 | 2022-08-30 | 北京电子工程总体研究所 | Balancing device |
| CN114962870B (en) * | 2022-04-12 | 2023-12-05 | 北京电子工程总体研究所 | Balancing device |
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Application publication date: 20210917 |
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| WW01 | Invention patent application withdrawn after publication |