CN210123077U - Supporting mechanism for geographic information measuring instrument - Google Patents
Supporting mechanism for geographic information measuring instrument Download PDFInfo
- Publication number
- CN210123077U CN210123077U CN201921897916.6U CN201921897916U CN210123077U CN 210123077 U CN210123077 U CN 210123077U CN 201921897916 U CN201921897916 U CN 201921897916U CN 210123077 U CN210123077 U CN 210123077U
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- adjusting
- block
- measuring instrument
- seat
- geographic information
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Abstract
The utility model discloses a supporting mechanism for a geographic information measuring instrument, which comprises an adjusting block, wherein the outer side wall of the adjusting block is hinged with a plurality of landing leg assemblies, the middle part of the adjusting block is provided with an adjusting ball in a running and rotating way, an angle positioning assembly is arranged between the adjusting block and the adjusting ball, the middle part of the adjusting ball is provided with an adjusting pipe in a running and rotating way, the inside of the adjusting pipe is movably provided with an adjusting rod in a running way, a height positioning assembly is arranged between the adjusting pipe and the adjusting rod, and the upper end of the adjusting rod is; go up the upper end of landing leg and the lateral wall of regulating block is articulated, and the lower extreme outside of going up the landing leg is equipped with the external screw thread, and the internal thread hole has been seted up to the upper end of lower landing leg, goes up landing leg and lower landing leg threaded connection, and the lateral wall lower part of lower landing leg is equipped with the flight, and the lower extreme of lower landing leg is equipped with the drill bit, the utility model discloses adaptable subaerial the setting up on the ground of slope or other unevenness plays the supporting role to measuring instrument, but the while is adjustable to the height that measuring instrument supported, the measuring staff.
Description
Technical Field
The utility model relates to a measuring instrument technical field, the concrete field is a supporting mechanism for a geographic information measuring apparatu.
Background
The measuring instrument is used for orientation, distance measurement, angle measurement, height measurement, mapping, photogrammetry and the like according to work needs. The method is often applied to the field of geological exploration, the accuracy of geological exploration plays a crucial role in helping the research of the geographic environment in the process of researching the geographic environment, and in the process of actual use, the measuring instrument is supported by a supporting structure to perform related exploration tasks. Due to the complex field geological measurement, the existing instrument supporting mechanism is not suitable for being erected on the inclined or uneven ground, and measuring personnel are inconvenient to use the measuring instrument.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a supporting mechanism for geographic information measuring apparatu to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a supporting mechanism for a geographic information measuring instrument comprises an adjusting block, wherein a plurality of supporting leg assemblies are hinged to the outer side wall of the adjusting block, an adjusting ball is rotatably mounted in the middle of the adjusting block in a penetrating mode, an angle positioning assembly is arranged between the adjusting block and the adjusting ball, an adjusting pipe is arranged in the middle of the adjusting ball in a penetrating mode, an adjusting rod is movably mounted in the adjusting pipe in a penetrating mode, a height positioning assembly is arranged between the adjusting pipe and the adjusting rod, and an instrument mounting seat is arranged at the upper end of the adjusting rod;
the landing leg subassembly includes landing leg and lower landing leg, the upper end of going up the landing leg is articulated with the lateral wall of regulating block, the lower extreme outside of going up the landing leg is equipped with the external screw thread, internal thread hole has been seted up to the upper end of lower landing leg, go up landing leg and lower landing leg threaded connection, the lateral wall lower part of lower landing leg is equipped with the flight, the lower extreme of lower landing leg is equipped with the drill bit.
Preferably, the adjusting block comprises an upper block and a lower block, the upper block is fixedly mounted at the upper end of the lower block through a bolt, an upper arc-shaped groove is formed in the middle of the upper block, a lower arc-shaped groove is formed in the middle of the lower block, and the adjusting ball is located between the upper arc-shaped groove and the lower arc-shaped groove.
Preferably, the instrument mounting base comprises a lower base, a middle base and an upper base, the middle base is fixed at the upper end of the lower base through a bolt, the lower base is fixedly mounted at the upper end of the adjusting rod, a circular groove is formed in the lower end face of the middle base, a round hole is formed in the upper end face of the middle base and communicated with the circular groove, a limiting disc is movably mounted inside the circular groove, a rotating shaft is arranged at the upper end of the limiting disc, and the upper end of the rotating shaft penetrates through the round hole and is fixedly connected with the middle of the lower end of the upper base.
Preferably, the upper end face of the middle seat and the lower end face of the upper seat are both provided with rubber pads.
Preferably, the angle positioning assembly comprises a threaded hole, the threaded hole is formed in the side wall of the adjusting block, and an angle positioning bolt penetrates through the threaded hole and is connected with the threaded hole.
Preferably, one end of the angle positioning bolt is provided with a rubber block.
Preferably, the height positioning assembly comprises a pin hole and a plurality of threaded blind holes, the pin hole is formed in the side wall of the adjusting pipe, the threaded blind holes are uniformly and vertically arranged on the adjusting rod, and a height positioning bolt penetrates through the pin hole and is connected with the height positioning bolt.
Preferably, the upper end of the adjusting rod is in threaded connection with the lower end of the instrument mounting seat.
Preferably, the number of leg assemblies is at least 3.
Compared with the prior art, the beneficial effects of the utility model are that: the space position of the adjusting block on the inclined ground can be fixed through the matching arrangement of a plurality of groups of upper supporting legs, lower supporting legs, external threads, internal thread holes, spiral sheets and drill bits, the adjusting rod can be adjusted to be in a vertically arranged state on the adjusting block through the matching arrangement of the upper arc-shaped groove, the lower arc-shaped groove and the adjusting ball, the state of the adjusting rod vertically arranged on the adjusting block can be fixed through the matching arrangement of the threaded hole, the angle positioning bolt and the rubber block, the height of the instrument mounting seat can be adjusted through the matching arrangement of the adjusting pipe and the adjusting rod, the adjusted height of the instrument mounting seat can be fixed through the matching arrangement of the pin hole, the threaded blind hole and the height positioning bolt, the horizontal orientation of the instrument can be adjusted on the supporting mechanism after the supporting mechanism is erected through the matching arrangement of the lower seat, the middle seat, the upper seat, the circular groove, the circular hole, the limiting disc and the rotating shaft, the setting through the rubber pad can make and erect that the measuring instrument adjusts the level orientation and fixes on supporting mechanism behind the supporting mechanism, the utility model discloses adaptable ground or the subaerial of other unevenness of slope erect, play the supporting role to the measuring instrument, still can adjust the height that supports the measuring instrument simultaneously, the measuring staff's of being convenient for use.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic cross-sectional view of the adjusting block of the present invention;
fig. 3 is a schematic view of a cross-sectional structure of the instrument mounting base of the present invention.
In the figure: 1-adjusting block, 101-upper block, 102-lower block, 103-upper arc groove, 104-lower arc groove, 2-supporting leg component, 201-upper supporting leg, 202-lower supporting leg, 203-external thread, 204-spiral plate, 205-drill bit, 3-adjusting ball, 4-angle positioning component, 401-threaded hole, 402-angle positioning bolt, 403-rubber block, 5-adjusting pipe, 6-adjusting rod, 7-height positioning component, 701-threaded blind hole, 702-height positioning bolt, 8-instrument mounting seat, 801-lower seat, 802-middle seat, 803-upper seat, 804-circular groove, 805-circular hole, 806-limiting disc, 807-rotating shaft and 808-rubber pad.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a supporting mechanism for a geographic information measuring instrument comprises an adjusting block 1, a plurality of supporting leg assemblies 2 are hinged on the outer side wall of the adjusting block 1, the supporting leg assemblies 2 can fix the spatial position of the adjusting block 1, an adjusting ball 3 is rotatably mounted in the middle of the adjusting block 1 in a penetrating manner, the adjusting ball 3 can roll in the adjusting block 1 to adjust the orientation position, an angle positioning assembly 4 is arranged between the adjusting block 1 and the adjusting ball 3, the angle positioning assembly 4 can fix the relative position of the adjusting ball 3 and the adjusting block 1, an adjusting pipe 5 is arranged in the middle of the adjusting ball 3 in a penetrating manner, the adjusting pipe 5 is integrally formed on the adjusting ball 3, an adjusting rod 6 is movably mounted in the adjusting pipe 5 in a penetrating manner, the extending height of the adjusting rod 6 can be changed in the adjusting pipe 5, a height positioning assembly 7 is arranged between the adjusting pipe 5 and the adjusting rod 6, and the height positioning assembly 7 can fix the relative position of the adjusting rod 6 and the, an instrument mounting seat 8 is arranged at the upper end of the adjusting rod 6, and the instrument mounting seat 8 is used for placing a measuring instrument;
the landing leg assembly 2 comprises an upper landing leg 201 and a lower landing leg 202, the upper end of the upper landing leg 201 is hinged with the outer side wall of the adjusting block 1, the outer part of the lower end of the upper landing leg 201 is provided with an external thread 203, the upper end of the lower landing leg 202 is provided with an internal thread hole, the upper landing leg 201 is in threaded connection with the lower landing leg 202, the lower part of the outer side wall of the lower landing leg 202 is provided with a spiral sheet 204, the lower end of the lower landing leg 202 is provided with a drill bit 205, when a supporting mechanism is arranged on the inclined ground, the drill bit 205 and the spiral sheet 204 can be screwed into the ground by screwing off the landing leg 202, the adjusting block 1 can be fixed on the inclined ground by a plurality of groups of landing leg assemblies 2, the adjusting ball 3 is adjusted to enable the adjusting pipe 5 and the adjusting rod 6 to be in a vertical state, the position of the adjusting ball 3 is fixed by utilizing the angle positioning assembly 4, when the height of the instrument mounting seat 8 needs to be adjusted, the length of the adjusting rod 6 extending out of the upper end of the adjusting pipe 5 is changed, and after the height is adjusted, the adjusting rod 6 is fixed through the height positioning assembly 7.
Particularly, regulating block 1 includes last piece 101 and lower piece 102, last piece 101 passes through the upper end of bolt fixed mounting at lower piece 102, last arc wall 103 has been seted up at the middle part of last piece 101, go up arc wall 103 for falling the bowl form of placing, run through last piece 101, arc wall 104 has been seted up down at the middle part of lower piece 102, lower arc wall 104 is for just being the bowl form of placing, adjust ball 3 is located between arc wall 103 and lower arc wall 104, it makes adjust ball 3 can rotate the adjustment position on regulating block 1 with lower arc wall 104 to go up arc wall 103, still can avoid adjust ball 3 to break away from regulating block 1 simultaneously.
Specifically, the instrument mounting seat 8 comprises a lower seat 801, a middle seat 802 and an upper seat 803, the middle seat 802 is fixed at the upper end of the lower seat 801 through bolts, the lower seat 801 is fixedly installed at the upper end of the adjusting rod 6, the lower end surface of the middle seat 802 is provided with a circular groove 804, the upper end surface of the middle seat 802 is provided with a circular hole 805, the circular hole 805 is communicated with the circular groove 804, a limiting disc 806 is movably installed inside the circular groove 804, the upper end of the limiting disc 806 is provided with a rotating shaft 807, the upper end of the rotating shaft 807 penetrates through the circular hole 805 and is fixedly connected with the middle part of the lower end of the upper seat 803, the upper seat 803 can rotate on the middle, even if the measuring instrument is placed on the upper seat 803 after the support mechanism is mounted, the orientation of the measuring instrument can be adjusted on the support frame, when the upper seat 803 rotates, the rotating shaft 807 and the limiting disc 806 rotate synchronously, the limiting disc 806 rotates in the circular groove 804, and the limiting disc 806 can prevent the upper seat 803 from separating from the middle seat 802.
Specifically, rubber pads 808 are provided on both the upper end surface of the middle seat 802 and the lower end surface of the upper seat 803, and the rubber pads 808 damp rotation between the middle seat 802 and the upper seat 803 so that the upper seat 803 can rotate on the middle seat 802 only by applying a certain force, and the relative position between the middle seat 802 and the upper seat 803 is fixed when a certain force is not applied.
Specifically, angle locating component 4 includes screw hole 401, and screw hole 401 is seted up on the lateral wall of regulating block 1, and it has angle positioning bolt 402 to run through threaded connection in the screw hole 401, and the inside of regulating block 1 is stretched into to the one end of angle adjusting bolt 402, and it can restrict the rotation action of adjusting ball 3 on regulating block 1 after meeting with adjusting ball 3, fixes the position of adjusting ball 3 on regulating block 1.
Specifically, one end of the angle positioning bolt 402 is provided with the rubber block 403, and the rubber block 403 can increase the contact friction force between the angle positioning bolt 402 extending into the fixed block 1 and the adjusting ball 3, and further increase the effect of the angle positioning bolt 402 on fixing the position of the adjusting ball 3 on the adjusting block 1.
Particularly, height positioning component 7 includes pinhole and a plurality of screw thread blind hole 701, the pinhole is seted up on the lateral wall of adjusting pipe 5, the even vertical range of a plurality of screw thread blind holes 701 is seted up on adjusting pole 6, run through threaded connection has height positioning bolt 702 in the pinhole, height positioning bolt 702 can fix the relative position of adjusting pole 6 between adjusting pipe 5 after passing the pinhole and corresponding screw thread blind hole 701 threaded connection with the level, fix the height that adjusting rod 6 stretches out regulating ball 3 promptly, and then fix the height of instrument mount pad 8.
Specifically, the upper end of the adjustment lever 6 is screwed to the lower end of the instrument attachment base 8. The threaded connection facilitates assembly and disassembly of the instrument mount 8 on the threaded rod 6.
Specifically, the set number of the leg assemblies 2 is at least 3, and the plurality of sets of leg assemblies 2 have a better fixing effect on the adjusting block 1.
The working principle is as follows: the utility model discloses when setting up supporting mechanism on the ground of slope, the landing leg 202 is unscrewed and can be made drill bit 205 and flight 204 screw in ground, multiunit landing leg subassembly 2 can fix positioning block 1 on the ground of slope, readjust adjusting ball 3, make adjusting tube 5 and regulation pole 6 be in vertical state, utilize angle positioning component 4 to fix the position after adjusting ball 3 adjusts, make instrument mount pad 8 be in the horizontality when adjusting pole 6 is in vertical state, instrument mount pad 8 of horizontality is convenient for set up measuring instrument on it, when the height of instrument mount pad 8 needs to be adjusted, change adjusting pole 6 and stretch out the length of adjusting tube 5 upper end and can, after adjusting the height, adjust pole 6 and fix through height positioning component 7; the upper arc-shaped groove 103 is inversely placed in a bowl shape in the adjusting block 1 and penetrates through the upper block 101, the lower arc-shaped groove 104 is positively placed in a bowl shape, the adjusting ball 3 is positioned between the upper arc-shaped groove 103 and the lower arc-shaped groove 104, the upper arc-shaped groove 103 and the lower arc-shaped groove 104 enable the adjusting ball 3 to rotate on the adjusting block 1 to adjust the position, and meanwhile, the adjusting ball 3 can be prevented from being separated from the adjusting block 1; the upper seat 803 in the instrument mounting seat 8 can rotate on the middle seat 802 to adjust the orientation position, even after the supporting mechanism is mounted, the measuring instrument is placed on the upper seat 803, the orientation of the measuring instrument can be adjusted on the supporting frame, the rotating shaft 807 and the limiting disc 806 rotate synchronously when the upper seat 803 rotates, the limiting disc 806 rotates in the circular groove 804, the limiting disc 806 can prevent the upper seat 803 from separating from the middle seat 802, the rubber pad 808 enables the middle seat 802 and the upper seat 803 to form damping rotation, the upper seat 803 can rotate on the middle seat 802 only by applying certain acting force, and the relative position between the middle seat 802 and the upper seat 803 is fixed when no certain acting force is applied; one end of an angle adjusting bolt 402 in the angle positioning component 4 extends into the adjusting block 1, the joint of the angle adjusting bolt and the adjusting ball 3 can limit the rotation action of the adjusting ball 3 on the adjusting block 1, the position of the adjusting ball 3 on the adjusting block 1 is fixed, a rubber block 403 can increase the contact friction force of the angle positioning bolt 402 extending into the fixing block 1 and the adjusting ball 3, and the effect of the angle positioning bolt 402 on the position fixing of the adjusting ball 3 on the adjusting block 1 is further increased; in the height positioning assembly, a height positioning bolt 702 penetrates through the pin hole and is in threaded connection with a threaded blind hole 701 corresponding to the level, the height positioning bolt 702 can fix the relative position of the adjusting rod 6 between the adjusting pipes 5 after penetrating through the pin hole and being in threaded connection with the threaded blind hole 701 corresponding to the level, namely, the height of the adjusting rod 6 extending out of the adjusting ball 3 is fixed, and further the height of the instrument mounting seat 8 is fixed.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of drawing of description, and the concrete connection mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt prior art, and conventional model, including circuit connection adopts conventional connection mode among the prior art, does not detailed here again.
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 invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. A support mechanism for a geographic information measuring instrument, characterized by: the adjustable leg support comprises an adjusting block (1), wherein a plurality of leg assemblies (2) are hinged to the outer side wall of the adjusting block (1), an adjusting ball (3) is rotatably arranged in the middle of the adjusting block (1) in a penetrating mode, an angle positioning assembly (4) is arranged between the adjusting block (1) and the adjusting ball (3), an adjusting pipe (5) is arranged in the middle of the adjusting ball (3) in a penetrating mode, an adjusting rod (6) is movably arranged in the adjusting pipe (5) in a penetrating mode, a height positioning assembly (7) is arranged between the adjusting pipe (5) and the adjusting rod (6), and an instrument mounting seat (8) is arranged at the upper end of the adjusting rod (6);
the supporting leg assembly (2) comprises an upper supporting leg (201) and a lower supporting leg (202), the upper end of the upper supporting leg (201) is hinged to the outer side wall of the adjusting block (1), an external thread (203) is arranged outside the lower end of the upper supporting leg (201), an internal thread hole is formed in the upper end of the lower supporting leg (202), the upper supporting leg (201) is in threaded connection with the lower supporting leg (202), a spiral piece (204) is arranged on the lower portion of the outer side wall of the lower supporting leg (202), and a drill bit (205) is arranged at the lower end of the lower supporting leg (202).
2. A support mechanism for a geographic information measuring instrument according to claim 1, wherein: the adjusting block (1) comprises an upper block (101) and a lower block (102), the upper block (101) is fixedly mounted at the upper end of the lower block (102) through a bolt, an upper arc-shaped groove (103) is formed in the middle of the upper block (101), a lower arc-shaped groove (104) is formed in the middle of the lower block (102), and the adjusting ball (3) is located between the upper arc-shaped groove (103) and the lower arc-shaped groove (104).
3. A support mechanism for a geographic information measuring instrument according to claim 1, wherein: instrument mount pad (8) are including lower seat (801), well seat (802) and upper bracket (803), well seat (802) pass through the bolt fastening in the upper end of lower seat (801), lower seat (801) fixed mounting is in the upper end of adjusting pole (6), circular slot (804) have been seted up to the lower terminal surface of well seat (802), round hole (805) have been seted up to the upper end surface of well seat (802), round hole (805) are linked together with circular slot (804), the inside movable mounting of circular slot (804) has spacing dish (806), the upper end of spacing dish (806) is equipped with axis of rotation (807), the upper end of axis of rotation (807) runs through round hole (805) and with the lower extreme middle part fixed connection of upper bracket (803).
4. A support mechanism for a geographic information measuring instrument according to claim 3, wherein: the upper end face of the middle seat (802) and the lower end face of the upper seat (803) are both provided with rubber pads (808).
5. A support mechanism for a geographic information measuring instrument according to claim 1, wherein: the angle positioning assembly (4) comprises a threaded hole (401), the threaded hole (401) is formed in the side wall of the adjusting block (1), and an angle positioning bolt (402) penetrates through the threaded hole (401) and is connected with the inner side of the adjusting block in a threaded mode.
6. The support mechanism for a geographic information measuring instrument according to claim 5, wherein: one end of the angle positioning bolt (402) is provided with a rubber block (403).
7. A support mechanism for a geographic information measuring instrument according to claim 1, wherein: the height positioning assembly (7) comprises a pin hole and a plurality of threaded blind holes (701), the pin hole is formed in the side wall of the adjusting pipe (5), the threaded blind holes (701) are evenly and vertically arranged on the adjusting rod (6), and a height positioning bolt (702) penetrates through the pin hole and is connected with the pin hole in a threaded mode.
8. A support mechanism for a geographic information measuring instrument according to claim 1, wherein: the upper end of the adjusting rod (6) is in threaded connection with the lower end of the instrument mounting base (8).
9. A support mechanism for a geographic information measuring instrument according to claim 1, wherein: the number of the leg assemblies (2) is at least 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921897916.6U CN210123077U (en) | 2019-11-06 | 2019-11-06 | Supporting mechanism for geographic information measuring instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921897916.6U CN210123077U (en) | 2019-11-06 | 2019-11-06 | Supporting mechanism for geographic information measuring instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210123077U true CN210123077U (en) | 2020-03-03 |
Family
ID=69633624
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921897916.6U Expired - Fee Related CN210123077U (en) | 2019-11-06 | 2019-11-06 | Supporting mechanism for geographic information measuring instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210123077U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112903343A (en) * | 2021-01-25 | 2021-06-04 | 通化师范学院 | Geographic data collection device and collection method thereof |
| CN113217770A (en) * | 2021-06-03 | 2021-08-06 | 深圳市昌卓科技有限公司 | Projection equipment based on miniature portable outdoor use |
| CN113619948A (en) * | 2021-09-09 | 2021-11-09 | 江苏捷远容器有限公司 | High strength ton bucket supports uses four feet |
| CN114576483A (en) * | 2022-02-23 | 2022-06-03 | 贵州工程应用技术学院 | Geographic information equipment installer with reminding function |
-
2019
- 2019-11-06 CN CN201921897916.6U patent/CN210123077U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112903343A (en) * | 2021-01-25 | 2021-06-04 | 通化师范学院 | Geographic data collection device and collection method thereof |
| CN113217770A (en) * | 2021-06-03 | 2021-08-06 | 深圳市昌卓科技有限公司 | Projection equipment based on miniature portable outdoor use |
| CN113619948A (en) * | 2021-09-09 | 2021-11-09 | 江苏捷远容器有限公司 | High strength ton bucket supports uses four feet |
| CN114576483A (en) * | 2022-02-23 | 2022-06-03 | 贵州工程应用技术学院 | Geographic information equipment installer with reminding function |
| CN114576483B (en) * | 2022-02-23 | 2023-06-09 | 贵州工程应用技术学院 | Geographic information equipment installer with reminding function |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200303 Termination date: 20201106 |
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| CF01 | Termination of patent right due to non-payment of annual fee |