CN109578772B - Engineering survey and drawing is with rotation type support - Google Patents
Engineering survey and drawing is with rotation type support Download PDFInfo
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- CN109578772B CN109578772B CN201910009872.7A CN201910009872A CN109578772B CN 109578772 B CN109578772 B CN 109578772B CN 201910009872 A CN201910009872 A CN 201910009872A CN 109578772 B CN109578772 B CN 109578772B
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- 238000013507 mapping Methods 0.000 claims abstract description 19
- 230000007246 mechanism Effects 0.000 claims abstract description 16
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000002349 favourable effect Effects 0.000 abstract description 7
- 238000000034 method Methods 0.000 description 5
- 230000007704 transition Effects 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 230000006978 adaptation Effects 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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
- F16M11/20—Undercarriages with or without wheels
- F16M11/24—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other
- F16M11/242—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other by spreading of the legs
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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
- 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
- F16M11/08—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting around a vertical axis, e.g. panoramic heads
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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
- F16M11/18—Heads with mechanism for moving the apparatus relatively to the stand
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
- Clamps And Clips (AREA)
Abstract
The invention discloses a rotary bracket for engineering surveying and mapping, which comprises a fixed plate and a rotating plate which are horizontally arranged, wherein the rotating plate is in running fit with the fixed plate, and the rotary bracket further comprises a positioning mechanism for locking the relative position of the rotating plate and the fixed plate, the positioning mechanism comprises a supporting rod and a fixed block, the fixed block is connected with the rotating plate, the fixed block is hollow and is provided with a vertical slideway, the supporting rod penetrates through the slideway, and the supporting rod can move up and down along the slideway to enable the end part of the supporting rod to be in abutting connection with the fixed plate. Through adopting above-mentioned technical scheme, data authenticity and precision when having improved engineering survey and drawing, when actual survey and drawing, place the surveying instrument in the rotor plate top, rotatory rotor plate adjusts to suitable angle, because the fixed block sets up on the rotor plate, the butt pole butt fixed plate of rethread reciprocates, and then reaches the purpose of fixed rotor plate relative position, does not need the handheld operation of survey and drawing personnel, is favorable to reducing and supports measuring error, ensures data accuracy.
Description
Technical Field
The invention relates to the field of engineering surveying equipment, in particular to a rotary bracket for engineering surveying.
Background
The support is indispensable auxiliary assembly in engineering survey and drawing work, because the survey and drawing data in the engineering work plays vital role to the engineering work of later stage, so have higher requirement to surveying instrument's measurement accuracy, and in order to make things convenient for surveying instrument's measurement, generally place surveying instrument such as total powerstation on the support, make surveying instrument guarantee absolute static when measuring, thereby can guarantee surveying instrument's measurement accuracy, so at this moment, also have higher requirement to the stationarity of support, on the current engineering survey and drawing support, place the rotor plate of surveying instrument and can't be permanently fixed after rotatory certain angle, and then can not guarantee absolute static, often need the surveying instrument to hold with the hand, this can cause certain error to data, there is the defect of improvement.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide the rotary bracket for engineering surveying and mapping, and the rotary bracket for engineering surveying and mapping is provided with the positioning mechanism, so that the rotating plate can be relatively fixed during surveying and mapping, and further the precision during actual surveying and mapping is improved.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a rotation type support for engineering survey and drawing, is including fixed plate and the rotor plate that is the level setting, rotor plate and fixed plate normal running fit still include the positioning mechanism who is used for locking rotor plate and fixed plate relative position, positioning mechanism includes butt pole and fixed block, and the fixed block is connected in the rotor plate, the fixed block is cavity form and is formed with vertical slide, and the butt pole wears to establish the slide, and butt pole can reciprocate so that its tip and fixed plate form the butt fixedly along the slide.
Through adopting above-mentioned technical scheme, data authenticity and precision when having improved engineering survey and drawing, when actual survey and drawing, place the surveying instrument in the rotor plate top, rotatory rotor plate adjusts to suitable angle, because the fixed block sets up on the rotor plate, the butt pole butt fixed plate of rethread reciprocates, and then reaches the purpose of fixed rotor plate relative position, does not need the handheld operation of survey and drawing personnel, is favorable to reducing and supports measuring error, ensures data accuracy.
Further, the positioning mechanism further comprises a sleeve, a pressing piece, a positioning piece and an elastic piece, wherein the sleeve, the pressing piece, the positioning piece and the elastic piece are positioned in the vertical slideway; the elastic piece applies elastic restoring force to the abutting rod along the direction opposite to the abutting end of the abutting rod; the sleeve comprises long tooth grooves and short tooth grooves which are arranged at intervals along the circumferential direction of the sleeve, and the pressing piece acts on the positioning piece along the slideway direction and pushes the positioning piece to move towards the abutting piece; the locating piece is in running fit with the sleeve, at least one locating protrusion is arranged on the locating piece, and the locating piece is in running fit with the sleeve, so that the locating protrusion is sequentially clamped and matched with the long tooth groove and the short tooth groove.
Through adopting above-mentioned technical scheme, press the piece and displace along the slide direction, act on setting element and butt spare with pressure, make the elastic component remain an elasticity restoring force to setting element direction throughout, along with pressing the continuous pressing of piece, through setting element and sleeve normal running fit, make the location arch that is located on the setting element in proper order with long tooth's socket, short tooth's socket joint cooperation, because long tooth's socket, short tooth's socket stroke is different, and then make the distance that the butt spare extends to the fixed block outside different, when the location arch is located long tooth's socket, correspond the state of butt spare and fixed plate separation, when the location arch is located short tooth's socket, correspond the state when butt spare and fixed plate butt are fixed.
Further, the locating piece is cylindrical structure, and locating piece axial direction is unanimous with slide length direction, the protruding evenly distributed in locating piece circumference has at least three.
Through adopting above-mentioned technical scheme, be cylindrical structure's setting element can be better with sleeve structure looks adaptation, evenly distributed is protruding with long tooth groove cooperation in setting element circumferential location, stability when being favorable to improving the structure atress.
Furthermore, a positioning groove is formed in the lower end of the positioning piece, and the upper end of the abutting piece is embedded in the positioning groove.
Through adopting above-mentioned technical scheme, the butt spare is located the constant head tank all the time, plays the restriction butt spare along circumference motion on the one hand, and on the other hand, the locating part of being convenient for is dead axle rotary motion around self axis, reaches locating part and sleeve normal running fit's purpose.
Further, the locating piece is provided with a locating tooth groove, the locating tooth groove is provided with a plurality of locating tooth grooves and is distributed continuously along the circumferential direction of the locating tooth groove, and the pressing piece comprises pressing protrusions which are clamped with the locating tooth groove.
Through adopting above-mentioned technical scheme, when the pressing part promotes the setting element to the butt piece direction motion, the location tooth's socket forms the block with pressing the arch, and the butt of being convenient for promotes, is favorable to improving the stability of structural connection.
Further, the abutting piece is a positioning needle, the positioning needle extends to the outer side of the fixed block, and a rubber pad is arranged on the surface of the fixed plate.
Through adopting above-mentioned technical scheme, the locating needle simple structure, when needs survey and drawing, insert the rubber pad with the locating needle and form fixedly, reach fixed rotation plate and fixed plate's purpose.
Further, the pressing piece is also connected with a pressing column, and the pressing column penetrates through the sleeve and extends to the outer side of the fixed block.
Through adopting above-mentioned technical scheme, survey and drawing is fixed, and the direct action is located the pressing column in the sleeve outside, and then drives the inside pressing piece motion of sleeve, has higher maneuverability.
Further, the pressing piece is of a cylindrical structure, the cylindrical opening faces one side of the positioning piece, a guide column is arranged on one side of the positioning piece opposite to the pressing piece, and the guide column penetrates through the pressing piece.
Through adopting above-mentioned technical scheme, be the press fitting that tubular structure was favorable to better adaptation sleeve, the guide post wears to locate the press fitting and forms the circumference location to the press fitting, avoids taking place the offset between the adjacent part, is favorable to improving the precision when pressing, can also improve the life of product.
Further, the elastic piece is a spring, and the spring is sleeved on the positioning needle.
Through adopting above-mentioned technical scheme, spring simple structure is convenient for install and connect.
Further, the rubber pad is annular, the annular groove is formed in the surface of the fixing plate, the rubber pad is embedded in the annular groove, and the positioning needle is always located above the annular rubber pad.
Through adopting above-mentioned technical scheme, the setting through the ring channel makes rubber pad surface keep flush with the fixed plate surface, can save material from a certain extent simultaneously, after the rubber pad uses a period, can remove in the ring channel, convenient change.
Compared with the prior art, the invention has the advantages that:
(1) The rotary bracket for engineering surveying and mapping has higher precision and stability during surveying and mapping, and is favorable for accurately and rapidly collecting data;
(2) This engineering survey and drawing is with rotation type support is fixed to rotor plate and fixed plate through positioner and location, and its whole convenient operation is applicable to engineering survey and drawing environment that can be better.
Drawings
FIG. 1 is a schematic structural view of a rotary support for engineering survey;
FIG. 2 is a schematic structural view of a positioning mechanism of a rotary support for engineering survey;
FIG. 3 is an exploded view of a positioning mechanism for a rotary support for engineering mapping;
FIG. 4 is a schematic view of a positioning element of a rotary bracket for engineering survey;
FIG. 5 is a schematic structural view of a pressing member of a rotary bracket for engineering survey;
FIG. 6 is a schematic structural view of a sleeve of a rotary support for engineering survey;
FIG. 7 is a schematic illustration of a surface of a rotatable support mounting plate for engineering mapping;
fig. 8 is a schematic diagram of a movement process of a positioning protrusion inside a rotary bracket for engineering surveying and mapping.
Reference numerals: 1. a support leg; 2. a fixing plate; 3. a bearing; 4. a rotating plate; 5. a rubber pad; 6. a positioning mechanism; 61. an abutment; 62. an elastic member; 63. a positioning piece; 631. positioning the bulge; 6311. positioning the inclined plane; 632. a guide post; 633. positioning tooth grooves; 634. a positioning groove; 64. a sleeve; 641. short tooth grooves; 6411. an inclined plane; 642. long tooth grooves; 6421. a transition inclined plane; 65. a pressing member; 651. pressing the column; 652. pressing the bulge; 66. a fixed block; 661. and a slideway.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and examples.
As shown in fig. 1, a rotary bracket for engineering surveying and mapping comprises a fixing plate 2 and a rotating plate 4 which are horizontally arranged, wherein the fixing plate 2 and the rotating plate 4 are in rotary connection through a bearing 3, and a supporting leg 1 is rotatably connected to the lower surface of the fixing plate 2 through a hinge. Bearing 3 level sets up the intermediate position on fixed plate 2 surface, and fixed plate 2 is the interval setting with rotor plate 4 both, and bearing 3 outer loop is connected to fixed plate 2, and rotor plate 4 connects bearing 3 inner loop, realizes running fit, can place the surveying instrument on rotor plate 4, in order to realize rotor plate 4 and fixed plate 2 relative position's fixed in actual survey and drawing the in-process, is provided with positioning mechanism 6 in rotor plate 4 one side.
As shown in fig. 2 and 3, the positioning mechanism 6 specifically includes a fixed block 66, where the fixed block 66 is hollow and has a vertical slide 661 formed therein, and a sleeve 64, a pressing member 65, a positioning member 63, an abutment member 61, and an elastic member 62 are sequentially disposed in the vertical slide 661 from top to bottom;
The abutment member 61 is specifically a positioning needle, the positioning needle is vertically arranged and the tip of the positioning needle faces one side of the fixed plate 2, the lower end of the fixed block 66 is provided with a through hole, the through hole is communicated with a slide way 661, the positioning needle can slide along the slide way 661 and is discharged from the through hole, as shown in combination with fig. 7, an annular groove (not shown in the figure) is formed in the surface of the fixed plate 2 for the purpose of matching and fixing the positioning needle, an annular rubber pad 5 is embedded in the annular groove, no matter the positioning needle rotates to any position along with the rotating plate 4, and the annular rubber pad 5 is always positioned below the tip of the positioning needle.
The elastic member 62 is specifically a spring, the spring is sleeved outside the positioning pin, one end of the spring is connected with the inner wall of the lower end of the fixed block 66, the other end of the spring is connected with the positioning pin, when the positioning pin moves towards the direction of the fixed plate 2, the spring is compressed, and then elastic restoring force is generated, and the positioning pin receives a force back to the tip direction of the positioning pin.
Referring to fig. 4 and 6, the positioning member 63 has a cylindrical structure as a whole, and a plurality of elongated positioning protrusions 631 are uniformly distributed on the outer surface thereof along the axial direction thereof; sleeve 64 opening is towards setting element 63 one side, and sleeve 64 side has seted up long tooth groove 642 and short tooth groove 641, and long tooth groove 642 and short tooth groove 641 are the interval continuous distribution on sleeve 64, and the location arch 631 can extend and insert in long tooth groove 642 and short tooth groove 641, and setting element 63 is normal running fit with sleeve 64 and abutment element 61, and specific rotation realization mode is: the locating piece 63 can do fixed axis rotary motion around self axis, in order to improve complex stability, the constant head tank 634 has been seted up at locating piece 63 lower extreme, the butt piece 61 upper end inlays and locates in the constant head tank 634, rotate through locating piece 63 itself and along vertical slide 661 round trip displacement for the location arch 631 can constantly circulate between long tooth groove 642 and short tooth groove 641 and go forward, because sleeve 64's position is fixed with fixed block 66 inner wall, long tooth groove 642 and short tooth groove 641 are different along the stroke of vertical direction, therefore, when the location arch 631 is located short tooth groove 641, the locating needle pointed end extends to the fixed block 66 outside and pegging graft the cooperation with rubber pad 5, when the location arch 631 is located long tooth groove 642, the separation becomes the interval setting between locating needle pointed end and the rubber pad 5.
As shown in fig. 5, the pressing member 65 is mainly configured to push the positioning member 63 to move along the vertical slideway 661 toward the abutting member 61, the pressing member 65 is in a cylindrical structure, a cylindrical opening faces one side of the positioning member 63, a guide post 632 is disposed on one side of the positioning member 63 opposite to the pressing member 65, the guide post 632 is arranged on the pressing member 65 in a penetrating manner, a pressing protrusion 652 is disposed at the lower end of the pressing member 65, a positioning tooth groove 633 is disposed on the positioning member 63, a plurality of positioning tooth grooves 633 are disposed and are continuously distributed along the circumferential direction of the positioning tooth groove 633, the pressing protrusion 652 and the positioning tooth groove 633 are clamped, stability of the abutting joint of the pressing member and the positioning tooth groove 633 is improved, and for convenience of adjustment of workers, a pressing post 651 is integrally connected to the upper end of the pressing post 651, and the pressing post 651 penetrates through the sleeve 64 and extends to the outer side of the fixing block 66.
Referring to fig. 8, the positioning protrusion 631 has the same structure as the long tooth groove 642, the positioning protrusion 631 includes a positioning inclined surface 6311, the short tooth groove 641 has a triangular structure, and includes an inclined surface 6411, the inclined surface 6411 is located at a side close to the long tooth groove 642, a transition inclined surface 6421 is further provided on the long tooth groove 642, and the transition inclined surface 6421 is located at a side close to the short tooth groove 641.
It should be noted that, the positioning device of this embodiment is disposed on the rotating plate 4 and follows the synchronous movement of the rotating plate 4, and the positioning mechanism 6 can be disposed on the fixed plate 2, and the positioning needle is vertically disposed upwards to abut against the fixed rotating plate 4, and accordingly, the internal structure of the positioning mechanism 6 is opposite to the setting direction of the prior art.
The specific dynamic process is as follows:
Before mapping, firstly, the supporting leg 1 is opened and placed at a relatively flat position, then, the mapping instrument is placed on the surface of the rotating plate 4, the mapping instrument is adjusted to a proper angle, the pressing piece 65 moves downwards along the vertical slideway 661 by pressing the pressing post 651 which is externally arranged on the fixing block 66, the pressing piece 65 drives the positioning piece 63 to move downwards, the positioning boss 631 on the positioning piece 63 is gradually separated from the long tooth groove 642 and is inserted into the rubber pad 5, the spring is compressed, the spring generates an elastic reset force deviating from the tip of the positioning needle for the positioning piece 63 and the pressing piece 65, when the positioning inclined plane 6311 and the inclined plane 6411 are in the same horizontal plane, the positioning boss 631 receives two forces, one is the reset force from the spring, the other is the downward force from the pressing piece 65, the elastic reset force is continuously increased in the pressing process, in order to enable the positioning boss 631 to enter into the short tooth groove along the inclined plane 6411, the pressing boss 652 is not only in contact with the positioning tooth groove 633, and simultaneously, the positioning boss is in contact with the inclined plane of the positioning boss 63, and the positioning boss is in contact with the inclined plane 6411, and the positioning boss 641 is smoothly moved into the inclined plane 641, and the positioning boss is in the horizontal direction along the inclined plane 6411, and the positioning boss is in contact with the inclined plane 6411, and the positioning boss is formed in the direction of the downward direction of the pressing plane, and the positioning boss is in contact with the positioning boss 641, and the positioning boss is in the opposite direction of the pressing plane, and the positioning boss direction of the positioning boss 6411 is in contact with the opposite to be smoothly to be in contact with the opposite to the pressing direction along the inclined plane, and is in contact with the pressing direction opposite to the pressing plane and is positioned in the pressing direction opposite to and is in contact with the pressing direction opposite downward direction opposite to and is positioned in contact with the positioning plane;
When the direction of the mapping is required to be readjusted, the pressing column 651 outside the fixed block 66 is pressed, the pressing piece 65 moves downwards along the vertical slideway 661, the pressing piece 65 drives the positioning piece 63 to move downwards, the positioning boss 631 on the positioning piece 63 is gradually separated from the short tooth groove 641, when the positioning inclined plane 6311 and the transition inclined plane 6421 are positioned on the same horizontal plane, as the positioning boss 631 continuously receives a component force in the horizontal direction, the positioning boss 631 enters the long tooth groove 642 along the transition inclined plane 6421 and forms a clamping, in the clamping process, the positioning piece 63 and the pressing piece 65 move upwards for a certain distance, and at the moment, the positioning needle is separated from the rubber pad 5, and the rotating plate 4 can be rotated to adjust the angle of the mapping instrument.
The cyclic adjustment can be continuously carried out according to the mode according to the actual application condition.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above examples, and all technical solutions belonging to the concept of the present invention belong to the protection scope of the present invention. It should be noted that modifications and adaptations to the present invention may occur to one skilled in the art without departing from the principles of the present invention and are intended to be within the scope of the present invention.
Claims (5)
1. The utility model provides a rotation type support for engineering survey and drawing, is including being fixed plate (2) and the rotor plate (4) that the level set up, rotor plate (4) and fixed plate (2) normal running fit, its characterized in that still includes positioning mechanism (6) that are used for locking rotor plate (4) and fixed plate (2) relative position, positioning mechanism (6) include butt pole and fixed block (66), and fixed block (66) are connected in rotor plate (4), fixed block (66) are hollow form and are formed with vertical slide (661), and butt pole wears to establish slide (661), and butt pole can reciprocate so that its tip and fixed plate (2) form the butt and fix along slide (661);
The positioning mechanism (6) further comprises a sleeve (64), a pressing piece (65), a positioning piece (63) and an elastic piece (62), wherein the sleeve is positioned in the vertical slideway (661); the elastic piece (62) applies an elastic restoring force to the abutting rod in the direction opposite to the abutting end of the abutting rod; the sleeve (64) comprises long tooth grooves (642) and short tooth grooves (641) which are arranged at intervals along the circumferential direction of the sleeve, and the pressing piece (65) acts on the positioning piece (63) along the direction of the slideway (661) and pushes the pressing piece to move towards the abutting piece (61); the positioning piece (63) is in running fit with the sleeve (64), at least one positioning protrusion (631) is arranged on the positioning piece (63), and the positioning piece (63) is in running fit with the sleeve (64) so as to form the sequential clamping fit of the positioning protrusion (631) with the long tooth groove (642) and the short tooth groove (641); the positioning piece (63) is of a cylindrical structure, the axial direction of the positioning piece (63) is consistent with the length direction of the slideway (661), and at least three positioning protrusions (631) are uniformly distributed along the circumferential direction of the positioning piece (63); the positioning piece (63) is provided with a positioning tooth groove (633), the positioning tooth grooves (633) are provided with a plurality of pressing protrusions (652) which are clamped with the positioning tooth grooves (633), and the positioning tooth grooves (633) are circumferentially and continuously distributed; the positioning tooth grooves (633) are provided with a plurality of pressing protrusions (652) which are uniformly distributed along the circumferential direction of the positioning tooth grooves (633) in a one-to-one correspondence;
The abutting piece (61) is a positioning needle, the positioning needle extends to the outer side of the fixed block (66), and a rubber pad (5) is arranged on the surface of the fixed plate (2).
2. The rotary bracket for engineering surveying and mapping according to claim 1, wherein the pressing piece (65) is further connected with a pressing column (651), and the pressing column (651) penetrates through the sleeve (64) and extends to the outer side of the fixed block (66).
3. The rotary bracket for engineering surveying and mapping according to claim 2, wherein the pressing member (65) has a cylindrical structure, the cylindrical opening faces one side of the positioning member (63), a guide post (632) is arranged on one side of the positioning member (63) opposite to the pressing member (65), and the guide post (632) is arranged on the pressing member (65) in a penetrating manner.
4. The rotary support for engineering surveying according to claim 1, wherein the elastic member (62) is a spring, and the spring is sleeved on the positioning needle.
5. The rotary support for engineering surveying and mapping according to claim 4, wherein the rubber pad (5) is in an annular arrangement, the surface of the fixing plate (2) is provided with an annular groove, the rubber pad (5) is embedded in the annular groove, and the positioning needle is always located above the annular rubber pad (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910009872.7A CN109578772B (en) | 2019-01-05 | 2019-01-05 | Engineering survey and drawing is with rotation type support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910009872.7A CN109578772B (en) | 2019-01-05 | 2019-01-05 | Engineering survey and drawing is with rotation type support |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109578772A CN109578772A (en) | 2019-04-05 |
| CN109578772B true CN109578772B (en) | 2024-08-20 |
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| CN201910009872.7A Active CN109578772B (en) | 2019-01-05 | 2019-01-05 | Engineering survey and drawing is with rotation type support |
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| CN (1) | CN109578772B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115407636A (en) * | 2022-09-13 | 2022-11-29 | 上海靖和实业有限公司 | Watch timing mechanism and watch thereof |
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| CN209638703U (en) * | 2019-01-05 | 2019-11-15 | 深圳市勘察研究院有限公司 | A kind of engineering mapping rotation bracket |
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| JPH11108022A (en) * | 1997-10-07 | 1999-04-20 | Myzox:Kk | Locking device for expansive body |
| CN203035744U (en) * | 2013-01-09 | 2013-07-03 | 东莞市冠晔电子科技有限公司 | A positionable rotating shaft and a positioning bracket using the rotating shaft |
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| CN208000125U (en) * | 2018-01-17 | 2018-10-23 | 河南理工大学 | A kind of Geological Engineering construction surveying instrument |
| CN108224033A (en) * | 2018-01-22 | 2018-06-29 | 成都睿铂科技有限责任公司 | A kind of stable type surveying instrument supporting frame being moved easily |
| CN208185806U (en) * | 2018-02-05 | 2018-12-04 | 河南华泰规划勘测设计咨询有限公司 | A kind of engineering mapping bracket base |
| CN108799756A (en) * | 2018-04-10 | 2018-11-13 | 湖州南浔优恒工程咨询有限公司 | A kind of dismountable engineering mapping instrument |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209638703U (en) * | 2019-01-05 | 2019-11-15 | 深圳市勘察研究院有限公司 | A kind of engineering mapping rotation bracket |
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| Publication number | Publication date |
|---|---|
| CN109578772A (en) | 2019-04-05 |
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