CN211118521U - Follow-on surveying instrument's micromatic setting - Google Patents
Follow-on surveying instrument's micromatic setting Download PDFInfo
- Publication number
- CN211118521U CN211118521U CN201921763136.2U CN201921763136U CN211118521U CN 211118521 U CN211118521 U CN 211118521U CN 201921763136 U CN201921763136 U CN 201921763136U CN 211118521 U CN211118521 U CN 211118521U
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- rod
- fine adjustment
- surveying instrument
- adjusting
- surveying
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Abstract
The utility model provides a follow-on surveying instrument's micromatic setting, including bracing piece, governing pipe, dust guard, adjusting screw, surveying instrument mount pad, mounting bolt, louvre, fretwork pad, the swivelling joint pipe, the installation pole, square head bolt can finely move the regulation slide bar structure, links up the post, and rotatable formula altitude mixture control pole structure and the supplementary regulation of tiltability support chassis structure. The utility model discloses the setting of fine setting seat, the type frame returns, the fine setting nut, the fine setting screw rod, cylindrical roller bearing and regulating wheel is favorable to carrying out the fine setting according to the survey and drawing demand of surveying instrument and is adjusted the front and back position, guarantees the survey and drawing data accuracy; fly leaf, slip nut, adjusting screw, deep groove ball bearing, fixed lining seat, the setting of swiveling wheel and crank is favorable to satisfying the surveying instrument altitude mixture control demand, can carry out the high work of surveying instrument.
Description
Technical Field
The utility model belongs to the technical field of surveying instrument, especially, relate to a follow-on surveying instrument's micromatic setting.
Background
Surveying instruments, in short, are instruments and devices for data acquisition, processing, output, etc. designed and manufactured for surveying and mapping operations.
Currently fine tuning is required when using surveying instruments.
However, the existing fine adjustment device also has the problems that the adjustment effect is not ideal, the height can not be adjusted and the inclination can not be adjusted.
Therefore, it is necessary to develop an improved fine tuning device for surveying and mapping instruments.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a follow-on surveying instrument's micromatic setting to there is regulation effect unsatisfactory in solving current micromatic setting, unable altitude mixture control and the problem that can not the gradient adjust. An improved fine adjustment device of a surveying instrument comprises a support rod, an adjustment pipe, a dust guard, an adjustment screw, a surveying instrument mounting seat, a mounting bolt, a heat dissipation hole, a hollowed-out pad, a rotary pipe, a mounting rod, a square-head bolt, a micro-adjustable sliding rod structure, a connecting column, a rotatable height adjustment rod structure and a inclinable degree auxiliary adjustment support chassis structure, wherein the support rod is longitudinally inserted in the adjustment pipe and is fastened and connected through the adjustment screw; the transverse rear part of the dust guard is connected with the upper end of the adjusting pipe through a bolt; the lower longitudinal end of the supporting rod is connected to the middle position of the rear part of the surveying instrument mounting seat through a bolt; the four corners inside the surveying instrument mounting base are respectively connected with mounting bolts in a longitudinal threaded manner; the left side and the right side of the interior of the surveying instrument mounting seat are provided with heat dissipation holes; the upper surface of the surveying instrument mounting base is glued with a hollowed-out pad; one end of the rotating pipe is sleeved at the upper end of the outer wall of the mounting rod and is fastened and connected through a square-head bolt, and the other end of the rotating pipe is in threaded connection with the middle position of the bottom of the surveying instrument mounting seat; the micro-adjustable sliding rod structure is connected with the rotatable height adjusting rod structure through the connecting column; the rotatable height adjusting rod structure is connected with the inclinable auxiliary adjusting support chassis structure; the structure of the slightly adjustable sliding rod comprises a fine adjustment seat, a return frame, a fine adjustment nut, a fine adjustment screw rod, a cylindrical roller bearing and an adjustment wheel, wherein the fine adjustment seat is sleeved on the upper part of the outer wall of the return frame, and the fine adjustment seat is connected with the middle position of the front part and the rear part of the fine adjustment nut through a screw; the fine adjustment screw rod is arranged in the cylindrical roller bearing in an interference fit mode at one transverse end, and the other end of the fine adjustment screw rod is connected with the middle position of the left end of the adjusting wheel through a bolt.
Preferably, the rotatable height adjusting rod structure comprises a movable plate, a sliding nut, an adjusting screw rod, a deep groove ball bearing, a fixed lining seat, a rotating wheel and a hand crank, wherein the movable plate is respectively connected to the left side and the right side of the sliding nut at the longitudinal lower end through screws; the sliding nut is in threaded connection with the outer wall of the adjusting screw rod; the deep groove ball bearing is embedded in the middle of the inner part of the fixed lining seat; the longitudinal lower part of the adjusting screw is arranged on the inner ring of the deep groove ball bearing in an interference fit manner; the rotating wheel key is connected with the outer wall of the lower end of the adjusting screw rod; the right lower side of the rotating wheel is in threaded connection with a hand crank.
Preferably, the auxiliary inclinability-adjusting supporting underframe structure comprises a joint rod, a movable rod, a sliding tube, a U-shaped lining seat, a bottom supporting frame and a wing screw, wherein one end of the movable rod is inserted into the upper side inside the sliding tube, and the other end of the movable rod is axially connected to the lower end of the joint rod; the lower end of the sliding pipe is coupled to the middle position in the U-shaped lining seat through a shaft; the U-shaped lining seats are respectively bolted at the middle positions of the left side and the right side of the upper part of the bottom supporting frame; the wing-shaped screw is in threaded connection with the joint of the movable rod and the sliding pipe.
Preferably, the cylindrical roller bearing is embedded in the middle position of the inner left end of the die frame.
Preferably, the fine tuning screw rod transversely penetrates through the middle position of the right side in the back-shaped frame to the right.
Preferably, the lower longitudinal end of the mounting rod is in threaded connection with the middle position of the upper part of the fine adjustment seat.
Preferably, the longitudinal upper end of the connecting column is in threaded connection with the middle position of the bottom of the back-shaped frame.
Preferably, the regulating wheel specifically adopts three-width type aluminum alloy wheels.
Preferably, the fine adjustment nut is in threaded connection with the outer wall of the fine adjustment screw rod and is located inside the return-type frame.
Preferably, the movable plates are respectively connected to the left side and the right side of the lower part of the connecting column by bolts at the longitudinal upper parts.
Preferably, the movable plate is made of aluminum alloy plate.
Preferably, the connecting rods are respectively and longitudinally bolted on the left side and the right side of the fixed lining seat.
Preferably, the movable rod and the sliding tube are arranged in a clearance fit manner.
Preferably, the movable rod adopts two aluminum alloy rods, and the sliding pipe adopts two aluminum alloy pipes.
Preferably, the dust guard specifically adopts arc aluminum alloy plate.
Preferably, the heat dissipation holes are through holes with the diameters of five millimeters to eight millimeters, and the hollow pads are hollow aluminum pads.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses in, the fine setting seat, return the type frame, the fine setting nut, the fine setting screw rod, the setting of cylindrical roller bearing and regulating wheel is favorable to carrying out the fine motion according to the survey and drawing demand of surveying instrument and adjusts the front and back position, guarantees the survey and drawing data accuracy.
2. The utility model discloses in, fly leaf, slip nut, adjusting screw, deep groove ball bearing, fixed bushing seat, the setting of swiveling wheel and crank is favorable to satisfying the surveying instrument altitude mixture control demand, can carry out the high work of surveying instrument.
3. The utility model discloses in, the pole that links up, the movable rod, the slip pipe, U type liner seat, the setting of bottom sprag frame and thumb screw is favorable to increasing surveying instrument gradient regulatory function, guarantees the survey and drawing data accuracy.
4. The utility model discloses in, bracing piece, governing pipe, dust guard and adjusting screw's setting be favorable to playing the guard action to the surveying instrument, guarantee that surveying work goes on smoothly.
5. The utility model discloses in, surveying instrument mount pad and mounting bolt's setting, be favorable to installing the surveying instrument, be convenient for adjust the operation.
6. The utility model discloses in, the setting of louvre, be favorable to playing good radiating action, guarantee the mapping apparatus and use the convenience.
7. The utility model discloses in, the rotatory pipe, the setting of installation pole and square head bolt is favorable to the position of rotation regulation surveying instrument, is convenient for carry out the survey and drawing operation.
8. The utility model discloses in, the setting of fretwork pad, be favorable to playing supplementary radiating effect.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of the structure of the sliding rod capable of being adjusted slightly according to the present invention.
Fig. 3 is a schematic structural diagram of the rotatable height adjusting rod structure of the present invention.
Fig. 4 is a schematic structural view of the support chassis structure with auxiliary adjustable inclinability according to the present invention.
In the figure:
1. a support bar; 2. an adjusting tube; 3. a dust-proof plate; 4. an adjusting screw; 5. a surveying instrument mounting base; 6. installing a bolt; 7. heat dissipation holes; 8. hollowing out the pad; 9. rotating the tube; 10. mounting a rod; 11. a square head bolt; 12. the structure of the sliding rod can be adjusted slightly; 121. a fine adjustment seat; 122. a back-shaping frame; 123. fine adjustment of the nut; 124. fine adjustment of the screw rod; 125. a cylindrical roller bearing; 126. an adjustment wheel; 13. connecting the column; 14. a rotatable height adjustment lever structure; 141. a movable plate; 142. a sliding nut; 143. adjusting the screw rod; 144. a deep groove ball bearing; 145. fixing the lining seat; 146. a rotating wheel; 147. a hand crank; 15. the inclinability assists in adjusting the supporting chassis structure; 151. a connecting rod; 152. a movable rod; 153. a sliding tube; 154. a U-shaped lining seat; 155. a bottom support frame; 156. a thumb screw.
Detailed Description
The utility model is described in detail with reference to the accompanying drawings, as shown in fig. 1 and fig. 2, an improved fine adjustment device for surveying and mapping instrument comprises a support rod 1, an adjusting tube 2, a dust guard 3, an adjusting screw 4, a surveying and mapping instrument mounting base 5, a mounting bolt 6, a heat dissipation hole 7, a hollowed-out pad 8, a rotary tube 9, a mounting rod 10, a square head bolt 11, a micro-adjustable sliding rod structure 12, a linking column 13, a rotatable height adjusting rod structure 14 and a inclinability auxiliary adjusting supporting underframe structure 15, wherein the support rod 1 is longitudinally inserted in the adjusting tube 2 and is fastened and connected with the adjusting screw 4; the transverse rear part of the dust guard 3 is connected with the upper end of the adjusting pipe 2 through a bolt; the lower longitudinal end of the supporting rod 1 is connected with the middle position of the rear part of the surveying instrument mounting seat 5 through a bolt; the four corners inside the surveying instrument mounting base 5 are respectively connected with mounting bolts 6 in a longitudinal threaded manner; the left side and the right side of the interior of the surveying instrument mounting base 5 are provided with heat dissipation holes 7; a hollow pad 8 is glued on the upper surface of the surveying instrument mounting seat 5; one end of the rotating pipe 9 is sleeved at the upper end of the outer wall of the mounting rod 10 and is fixedly connected with the mounting rod through a square head bolt 11, and the other end of the rotating pipe is in threaded connection with the middle position of the bottom of the surveying instrument mounting seat 5; the micro-adjustable sliding rod structure 12 is connected with the rotatable height adjusting rod structure 14 through a connecting column 13; the rotatable height adjusting rod structure 14 is connected with the inclinable auxiliary adjusting supporting chassis structure 15; the structure 12 of the sliding rod capable of being adjusted slightly comprises a fine adjustment seat 121, a square-shaped frame 122, a fine adjustment nut 123, a fine adjustment screw 124, a cylindrical roller bearing 125 and an adjustment wheel 126, wherein the fine adjustment seat 121 is sleeved on the upper part of the outer wall of the square-shaped frame 122 and is connected with the middle position of the front part and the rear part of the fine adjustment nut 123 through screws; horizontal one end interference fit of fine setting screw 124 set up the inside at cylindrical roller bearing 125, the left end intermediate position of other end bolted connection regulating wheel 126, fill up 8 through the fretwork with the surveying instrument and install on 5 upper portions of surveying instrument mount pad, and fix the setting through mounting bolt 6, can carry out the radiating operation through louvre 7, through relaxing adjusting screw 4, can carry out the interval between regulation bracing piece 1 and the regulating pipe 2, can carry out dustproof operation through dust guard 3, through handheld rotatory regulating wheel 126, can rotate fine setting screw 124 at the inside action of cylindrical roller bearing 125, make fine setting nut 123 drive fine setting seat 121 removal operation, can carry out the back-and-forth movement regulation operation of surveying instrument.
In this embodiment, referring to fig. 3, the rotatable height adjusting rod structure 14 includes a movable plate 141, a sliding nut 142, an adjusting screw 143, a deep groove ball bearing 144, a fixed bushing 145, a rotating wheel 146, and a hand crank 147, wherein the movable plate 141 is respectively connected to the left and right sides of the sliding nut 142 at the lower end of the movable plate 141 in the longitudinal direction; the sliding nut 142 is in threaded connection with the outer wall of the adjusting screw 143; the deep groove ball bearing 144 is embedded in the middle position inside the fixed lining seat 145; the longitudinal lower part of the adjusting screw rod 143 is arranged at the inner ring of the deep groove ball bearing 144 in an interference fit manner; the rotating wheel 146 is in key connection with the outer wall of the lower end of the adjusting screw 143; the right downside threaded connection of swiveling wheel 146 have hand crank 147, according to the survey and drawing demand, can hand the rotatory swiveling wheel 146 of hand crank 147 for adjusting screw 143 passes through deep groove ball bearing 144 and is inside rotatory at fixed bushing 145, slide nut 142 drives movable plate 141 and shifts up or descend this moment, can change the high position of surveying instrument, is convenient for carry out the survey and drawing operation.
In this embodiment, referring to fig. 4, the tilting auxiliary adjusting supporting chassis structure 15 includes a joint rod 151, a movable rod 152, a sliding tube 153, a U-shaped bushing block 154, a bottom supporting frame 155 and a wing screw 156, wherein one end of the movable rod 152 is inserted into the upper side of the inside of the sliding tube 153, and the other end is pivotally connected to the lower end of the joint rod 151; the lower end of the sliding tube 153 is coupled to the middle position inside the U-shaped lining seat 154; the U-shaped lining seats 154 are respectively bolted at the middle positions of the left side and the right side of the upper part of the bottom supporting frame 155; thumb screw 156 threaded connection in the junction of movable rod 152 and sliding tube 153, according to the survey and drawing demand of surveying instrument, can carry out levelness or gradient adjustment work, loosen thumb screw 156, can stretch out and draw back the flexible position of adjusting movable rod 152 in the inside of sliding tube 153, can make the upper portion that links up pole 151 drive device carry out gradient adjustment work, through the movable operation of sliding tube 153 in U type bushing block 154, can adjust, lock thumb screw 156 at last, guarantee that work goes on smoothly, can play good supporting role through bottom sprag frame 155.
In this embodiment, specifically, the cylindrical roller bearing 125 is embedded in the middle position of the inner left end of the swage mount 122.
In this embodiment, specifically, the fine adjustment screw 124 transversely penetrates through the middle position of the right side inside the swage mount 122 at the right side.
In this embodiment, specifically, the lower end of the mounting rod 10 in the longitudinal direction is screwed to the middle position of the upper portion of the fine adjustment seat 121.
In this embodiment, specifically, the upper end of the engagement column 13 is screwed to the middle position of the bottom of the swage mount 122.
In this embodiment, specifically, the adjustment wheel 126 specifically uses three aluminum alloy wheels.
In this embodiment, specifically, the fine adjustment nut 123 is screwed on the outer wall of the fine adjustment screw 124 and is located inside the swage mount 122.
In this embodiment, specifically, the movable plate 141 is respectively bolted to the left and right sides of the lower portion of the connecting column 13 in the longitudinal direction.
In this embodiment, specifically, the movable plate 141 is an aluminum alloy plate.
In this embodiment, specifically, the connecting rods 151 are respectively longitudinally bolted to the left and right sides of the fixed lining seat 145.
In this embodiment, specifically, the movable rod 152 and the sliding tube 153 are disposed in a clearance fit manner.
In this embodiment, specifically, the movable rod 152 is made of two aluminum alloy rods, and the sliding tube 153 is made of two aluminum alloy tubes.
In this embodiment, specifically, the dust guard 3 specifically adopts an arc-shaped aluminum alloy plate.
In this embodiment, specifically, the heat dissipation hole 7 is a through hole with a diameter of five millimeters to eight millimeters, and the hollow pad 8 is specifically a hollow aluminum pad.
Principle of operation
In the utility model, the surveying instrument is arranged on the upper part of a surveying instrument mounting seat 5 through a hollow pad 8 and is fixedly arranged through a mounting bolt 6, the heat dissipation operation can be carried out through a heat dissipation hole 7, the space between a support rod 1 and an adjusting pipe 2 can be adjusted by loosening an adjusting screw 4, the dustproof operation can be carried out through a dustproof plate 3, the rotatable fine adjustment screw rod 124 can move in a cylindrical roller bearing 125 through a handheld rotary adjusting wheel 126, so that the fine adjustment nut 123 drives a fine adjustment seat 121 to move, the front-back movement adjustment operation of the surveying instrument can be carried out, according to the surveying requirement, a handle hand 147 can be held to rotate a hand 146, the adjusting screw rod 143 can rotate in a fixed lining seat 145 through a rotary wheel ball bearing 144, at the moment, the sliding nut 142 drives a movable plate 141 to move upwards or downwards, the height position of the surveying instrument can be changed, the surveying, according to the survey and drawing demand of surveying instrument, can carry out levelness or gradient adjustment work, loosen thumb screw 156, can stretch out and draw back the flexible position of regulation movable rod 152 in sliding tube 153 inside, can make the upper portion that links up pole 151 drive device carry out gradient adjustment work, through the movable operation of sliding tube 153 in U type substrate 154 inside, can adjust, lock thumb screw 156 at last, guarantee that work goes on smoothly, can play good supporting role through bottom sprag frame 155.
Utilize technical scheme, or technical personnel in the field are in the utility model discloses under technical scheme's the inspiration, design similar technical scheme, and reach above-mentioned technological effect, all fall into the utility model discloses a protection scope.
Claims (10)
1. The improved fine adjustment device of the surveying instrument is characterized by comprising a support rod (1), an adjusting pipe (2), a dust-proof plate (3), an adjusting screw (4), a surveying instrument mounting seat (5), a mounting bolt (6), a heat dissipation hole (7), a hollowed-out pad (8), a rotating pipe (9), a mounting rod (10), a square-head bolt (11), a micro-adjustable sliding rod structure (12), a linking column (13), a rotatable height adjusting rod structure (14) and a tiltable degree auxiliary adjusting supporting underframe structure (15), wherein the support rod (1) is longitudinally inserted into the adjusting pipe (2) and is fixedly connected and arranged through the adjusting screw (4); the transverse rear part of the dust guard (3) is connected with the upper end of the adjusting pipe (2) through a bolt; the lower longitudinal end of the supporting rod (1) is connected with the middle position of the rear part of the surveying instrument mounting seat (5) through a bolt; four corners inside the surveying instrument mounting base (5) are respectively connected with mounting bolts (6) in a longitudinal threaded manner; the left side and the right side of the interior of the surveying instrument mounting seat (5) are provided with heat dissipation holes (7); a hollow pad (8) is glued on the upper surface of the surveying instrument mounting seat (5); one end of the rotating pipe (9) is sleeved at the upper end of the outer wall of the mounting rod (10) and is fixedly connected and arranged through a square-head bolt (11), and the other end of the rotating pipe is in threaded connection with the middle position of the bottom of the surveying instrument mounting seat (5); the micro-adjustable sliding rod structure (12) is connected with the rotatable height adjusting rod structure (14) through a connecting column (13); the rotatable height adjusting rod structure (14) is connected with the inclinable auxiliary adjusting supporting chassis structure (15); the structure (12) capable of slightly adjusting the sliding rod comprises a fine adjustment seat (121), a back-shaped frame (122), a fine adjustment nut (123), a fine adjustment screw (124), a cylindrical roller bearing (125) and an adjusting wheel (126), wherein the fine adjustment seat (121) is sleeved on the upper part of the outer wall of the back-shaped frame (122) and is connected to the middle position of the front part and the rear part of the fine adjustment nut (123) through screws; one transverse end of the fine adjustment screw rod (124) is arranged in the cylindrical roller bearing (125) in an interference fit mode, and the other end of the fine adjustment screw rod is connected with the middle position of the left end of the adjusting wheel (126) through a bolt.
2. The improved fine-tuning device of surveying and mapping instrument as claimed in claim 1, wherein said rotatable height adjustment rod structure (14) comprises a movable plate (141), a sliding nut (142), an adjustment screw (143), a deep groove ball bearing (144), a fixed bushing seat (145), a rotation wheel (146) and a hand crank (147), said movable plate (141) is respectively connected to left and right sides of the sliding nut (142) at the longitudinal lower end thereof by screws; the sliding nut (142) is in threaded connection with the outer wall of the adjusting screw rod (143); the deep groove ball bearing (144) is embedded in the middle position inside the fixed lining seat (145); the longitudinal lower part of the adjusting screw rod (143) is arranged on the inner ring of the deep groove ball bearing (144) in an interference fit manner; the rotating wheel (146) is in key connection with the outer wall of the lower end of the adjusting screw rod (143); the right lower side of the rotating wheel (146) is in threaded connection with a hand crank (147).
3. The improved fine-tuning device of surveying instrument according to claim 1, characterized in that the tiltable degree auxiliary adjusting supporting chassis structure (15) comprises an engaging rod (151), a movable rod (152), a sliding tube (153), a U-shaped base (154), a bottom supporting frame (155) and a wing screw (156), wherein one end of the movable rod (152) is inserted into the inner upper side of the sliding tube (153), and the other end is pivotally connected to the lower end of the engaging rod (151); the lower end of the sliding pipe (153) is coupled to the middle position in the U-shaped lining seat (154); the U-shaped lining seats (154) are respectively bolted at the middle positions of the left side and the right side of the upper part of the bottom supporting frame (155); the thumb screw (156) is in threaded connection with the joint of the movable rod (152) and the sliding tube (153).
4. The improved apparatus for fine-tuning surveying instruments according to claim 1, characterized in that the cylindrical roller bearing (125) is mounted in the middle of the inner left end of the return frame (122).
5. The improved apparatus for fine adjustment of surveying and mapping as claimed in claim 1, wherein said fine adjustment screw (124) extends transversely to the right through the middle of the right inside the frame (122).
6. An improved apparatus for fine adjustment of surveying and mapping instruments according to claim 1, characterized in that the lower longitudinal end of the mounting rod (10) is screwed in the upper middle position of the fine adjustment seat (121).
7. An improved apparatus for fine-tuning surveying instruments according to claim 1, characterized in that the upper longitudinal ends of the engagement posts (13) are screwed to the bottom of the swage mount (122) at a central position.
8. The improved apparatus for fine-tuning surveying instruments according to claim 1, characterized in that the adjustment wheel (126) is embodied as three aluminum alloy wheels.
9. The improved apparatus for fine adjustment of surveying instruments according to claim 1, characterized in that the fine adjustment nut (123) is threaded on the outer wall of the fine adjustment screw (124) and is located inside the swage mount (122).
10. An improved apparatus for fine adjustment of surveying and mapping instrument according to claim 2, wherein said movable plate (141) is bolted to the lower left and right sides of the engagement post (13) at the upper longitudinal portion thereof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921763136.2U CN211118521U (en) | 2019-10-21 | 2019-10-21 | Follow-on surveying instrument's micromatic setting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921763136.2U CN211118521U (en) | 2019-10-21 | 2019-10-21 | Follow-on surveying instrument's micromatic setting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211118521U true CN211118521U (en) | 2020-07-28 |
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ID=71690411
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921763136.2U Expired - Fee Related CN211118521U (en) | 2019-10-21 | 2019-10-21 | Follow-on surveying instrument's micromatic setting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211118521U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112879768A (en) * | 2021-01-21 | 2021-06-01 | 山东劳动职业技术学院（山东劳动技师学院） | Network education multimedia teaching device |
| CN115326036A (en) * | 2022-10-11 | 2022-11-11 | 莱芜金诚土地估价有限责任公司 | Surveying instrument that land resource management used |
-
2019
- 2019-10-21 CN CN201921763136.2U patent/CN211118521U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112879768A (en) * | 2021-01-21 | 2021-06-01 | 山东劳动职业技术学院（山东劳动技师学院） | Network education multimedia teaching device |
| CN115326036A (en) * | 2022-10-11 | 2022-11-11 | 莱芜金诚土地估价有限责任公司 | Surveying instrument that land resource management used |
| CN115326036B (en) * | 2022-10-11 | 2023-01-24 | 莱芜金诚土地估价有限责任公司 | Surveying instrument that land resource management used |
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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: 20200728 Termination date: 20211021 |
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| CF01 | Termination of patent right due to non-payment of annual fee |