CN116793222A

CN116793222A - Target for close-range photogrammetry and use method

Info

Publication number: CN116793222A
Application number: CN202311068068.9A
Authority: CN
Inventors: 李缙; 刘炳仓
Original assignee: Lanzhou Tianrui Surveying And Mapping Engineering Co ltd
Current assignee: Lanzhou Tianrui Surveying And Mapping Engineering Co ltd
Priority date: 2023-08-24
Filing date: 2023-08-24
Publication date: 2023-09-22
Anticipated expiration: 2043-08-24
Also published as: CN116793222B

Abstract

The invention discloses a target for close-range photogrammetry and a use method thereof, wherein the target comprises a stabilizing mechanism, a target seat is fixedly arranged at the top end part of the stabilizing mechanism, a protection mechanism is arranged at one end of the target seat far away from the stabilizing mechanism, a label is arranged at the center of the top of the target seat, the stabilizing mechanism comprises a middle stabilizing component and a bottom stabilizing component, the bottom stabilizing component is arranged at the bottom of the middle stabilizing component, the target seat is arranged at the top of the middle stabilizing component, and a pasting groove is formed in the center of one end of the target seat far away from the middle stabilizing component. The target in this technique uses very conveniently, and the one hand can operate, gets moreover and puts the convenience, can also carry out effectual protection to the label, effectively improves the life of label, and the label can seal the protection through protection machanism when not using, can ensure that the label can not be polluted by the dust.

Description

Target for close-range photogrammetry and use method

Technical Field

The invention relates to the technical field of surveying and mapping, in particular to a target for close-range photogrammetry and a using method thereof.

Background

The steel bridge adopts the components connected in a bolting mode on site, and the hole making precision of the steel bridge directly influences the linearity and the size of the bridge, so the control of the hole making precision of the components is the key of in-factory manufacture.

In the prior art, close-range photogrammetry is generally adopted to detect an inner hole of a component factory, under the prior art condition, direct digital identification cannot be carried out on a hole, therefore, the positioning measurement of the hole is generally carried out by arranging a label at the hole, in the prior art, when the hole is measured, the label is attached to the hole, then the hole coordinates are measured by utilizing a laser photogrammetry mode, the stability of the arranged label cannot be ensured, the flatness of the surface of the label cannot be ensured, the flatness of the label influences the reflection of laser, the photogrammetry becomes inaccurate, and although the target is inserted into the hole to position the label in the prior art, the target can only be used for measuring a through hole, even if the two ends of the hole are required to be adjusted simultaneously, in the prior art, a blind hole is also formed, and the target cannot be well positioned and measured for the blind hole.

For the problems in the related art, no effective solution has been proposed at present.

Disclosure of Invention

The present invention is directed to a target for close-range photogrammetry and a method of use, which solve the problems set forth in the background art.

In order to achieve the above purpose, the present invention provides the following technical solutions:

the utility model provides a target for close-range photogrammetry, includes stabilizing mean, stabilizing mean's top tip fixed mounting has the target seat, the target seat is kept away from stabilizing mean's one end and is installed protection machanism, the top center of target seat installs the label, stabilizing mean includes middle part stabilizing component and bottom stabilizing component, bottom stabilizing component installs the bottom at middle part stabilizing component, the target seat is installed at middle part stabilizing component's top, just the target seat is kept away from middle part stabilizing component's one end center and is offered the paste groove, the label is fixed to be pasted in paste the inslot, middle part stabilizing component includes the mounting bracket, the externally mounted of mounting bracket has the tight subassembly of propping up, the top fixed mounting of mounting bracket has the automatically regulated mechanism that is used for adjusting the tight subassembly of propping up, the mounting bracket includes the outer sleeve, the top externally fixed mounting of outer sleeve has the roof, the bottom externally fixed mounting of outer sleeve has the bottom plate, the inside the inserted in top of outer sleeve has the regulation pole, set up the bar hole on the lateral wall of outer sleeve, fixed mounting has the fixed block of sliding to locate downthehole fixed part of outer sleeve on the outer wall of regulation pole, the fixed block has the connecting block, the connecting rod is equipped with the bottom sleeve through the fixed connection at the fixed sleeve bottom of the fixed sleeve, the bottom end of the fixed sleeve is fixed through the fixed sleeve of connecting rod, the bottom end is fixed set up at the fixed sleeve through the fixed sleeve, the diameter of the top ball is larger than the diameter of the limiting hole towards the outer side of the fixed sleeve, and the diameter of the top ball is smaller than the diameter of the limiting hole towards the inner side of the fixed sleeve.

Further, prop tight subassembly includes the fagging, one side fixed mounting of fagging towards the outer sleeve has the connecting block, the connecting block is connected with the tip of link, the top tip fixed mounting of fagging has the assembly pole, the slide hole has been seted up on the roof, the slide hole sets up towards the center of roof, the top tip of assembly pole passes the slide hole setting, just the outside cover of assembly pole is equipped with wear-resisting cover, the outer wall of wear-resisting cover and the inner wall sliding connection of slide hole, the baffle is installed to the tip of assembly pole.

Further, extension board is fixed mounting in the bottom of fagging, one end bottom fixed mounting that the extension board kept away from the fagging has the assembly piece, the bottom end fixed mounting of assembly piece has the slider, the spout has been seted up at the top of bottom plate, the slider slides and locates in the spout, just the spout sets up towards the central direction of bottom plate.

Further, the supporting plate is far away from one side of the outer sleeve and is provided with a mounting groove, a jacking spring is fixedly mounted in the mounting groove, one end, away from the inside of the mounting groove, of the jacking spring is fixedly provided with a jacking bead, the supporting plate is far away from one end face of the outer sleeve and is also provided with an outer guard plate, a through hole is formed in the outer guard plate, and the jacking bead is arranged in the through hole.

Further, automatic adjustment mechanism includes the diaphragm, the diaphragm passes through dead lever fixed mounting on the roof, the through-hole has been seted up at the center of diaphragm, run through in the through-hole and be equipped with the montant, the bottom tip of montant is connected with the top tip of adjusting the pole, the top tip fixed mounting of montant has the installation piece, target seat fixed mounting is on the installation piece, the outside fixed mounting of installation piece has the annular plate, the bottom fixed mounting of annular plate has the guide arm, the guide hole has been seted up on the diaphragm, the guide hole just is to the guide arm setting, just the bottom tip of guide arm runs through the guide hole setting, sliding connection between guide arm and the guide hole, be equipped with adjusting spring between annular plate and the roof, adjusting spring cover is located the outside of montant.

Further, a limit groove is formed in the outer wall of the round table block, the top ball is arranged in the limit groove in a rolling mode, a connecting groove is formed in the top end portion of the round table block, and the bottom end portion of the connecting rod is fixedly arranged in the connecting groove.

Further, protection machanism includes outer shell, outer shell open-top, the light trap has been seted up to outer shell's bottom, just outer shell fixed mounting is on the target seat, the label is just to the light trap setting, outer shell's inside is equipped with the sealing block, rotate between sealing block and the outer shell and be connected, just outer shell is inside still to be equipped with and to be used for adjusting sealing block pivoted adjusting ring, the one end fixed mounting that target seat was kept away from to outer shell has the lamina tecti, the centre of lamina tecti has been seted up the centre hole, the centre hole just sets up to the light trap.

Further, the bottom one end fixed mounting of sealing block has the installation axle, the sealing block passes through the installation axle and rotates to be installed on the inside diapire of outer protective case, the one end fixed mounting that the installation axle was kept away from at the top of sealing block has the adjusting column, the regulation hole has been seted up in the outside of adjusting ring, in the adjusting hole was located in the top slip of adjusting column, fixed mounting has the regulation handle on the lateral wall of adjusting ring, the one end tip that keeps away from the adjusting ring runs through the lateral wall setting of outer protective case, just offer the arc hole that supplies the regulation handle to pass on the lateral wall of outer protective case, the bottom fixed mounting of lamina tecti has the bulge loop, the opening has been seted up on the bulge loop.

The application method of the target for close-range photogrammetry mainly comprises the following steps:

s1, clamping: the middle finger and the ring finger clamp the transverse plate, and then the thumb presses the protection mechanism;

s2, entering holes: placing the protection mechanism into the hole to be measured in a photographing mode, and then loosening the thumb;

s3, label exposure: adjusting the protection mechanism to expose the label;

s4, positioning: the coordinates of the hole are determined by laser positioning photography of the label by an external photography device.

The target in this technique is very convenient to use, and one hand can operate, gets moreover and puts the convenience, can also carry out effectual protection to the label, effectively improves the life of label.

Compared with the prior art, the invention has the following beneficial effects:

the label can be sealed and protected through the protection mechanism when not in use, the label can be ensured not to be polluted by dust, and then the label is ensured to be more accurate when being positioned for photogrammetry, the stabilizing mechanism for stably positioning the label and the steel member consists of the middle stabilizing component and the bottom stabilizing component, the middle part and the bottom of the hole can be respectively kept stable, the target seat is ensured to be sufficiently stable when being positioned, and the external influence on photogrammetry is reduced.

The adjusting rod can drive the fagging and remove, make the fagging paste towards the inner wall in hole tightly, make outer sleeve, roof and bottom plate keep relatively stable then, can also ensure the stable combination between the hole when realizing the stable connection between mounting bracket and the tight subassembly of propping, and just also realized the location through the target seat of automatic regulating mechanism installation on the mounting bracket, just can fix a position the mark through photographic this moment, confirm the coordinate of hole then, set up the contact effect that fagging and hole inner wall can be improved at the outside top pearl of fagging and tight spring in top, make the tight subassembly of propping can adapt to the hole of different apertures to fix a position, its result of use has been improved.

And the whole installation location that can be very convenient is in the hole, get and put also very convenient and fast, even be in the face of one end open-ended blind hole moreover, also can realize the same quick location, traditional target has been solved and only the condition of through-hole measurement has been handled, the round platform piece can be followed the regulation of adjusting the pole and realize synchronous movement simultaneously, then the round platform piece can be through the spacing groove position of adjusting the kicking ball, make the kicking ball realize position control in spacing downthehole, alright realize the locate function when the kicking ball passes one side of spacing hole and the inside wall contact of hole, ensure stabilizing mean's stability, and the setting of spacing hole not only can be spacing to the kicking ball, can also ensure that the kicking ball can not pass spacing hole and drop, it can follow the position realization automatic shrink of round platform piece to have ensured the kicking ball.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a target for close-up photogrammetry according to an embodiment of the present invention;

FIG. 2 is a schematic diagram of a label in a bare state in a target for close-range photogrammetry according to an embodiment of the present invention;

FIG. 3 is a schematic illustration of the installation of a label and medial stabilization assembly in a target for close-up photogrammetry in accordance with an embodiment of the present invention;

FIG. 4 is a schematic view of the bottom structure of a target for close-up photogrammetry when the tag and mid-stabilizing assembly are installed, in accordance with an embodiment of the present invention;

FIG. 5 is a schematic view of the mounting structure of a label in a target for close-range photogrammetry according to an embodiment of the present invention;

FIG. 6 is a schematic structural view of a mid-stabilizing assembly in a target for close-up photogrammetry according to an embodiment of the present invention;

FIG. 7 is an assembly view of an adjustment rod and an outer sleeve in a target for close-up photogrammetry according to an embodiment of the present invention;

FIG. 8 is a schematic view of the bottom structure of a target for close-up photogrammetry when the adjustment rod is assembled with the outer sleeve according to an embodiment of the present invention;

FIG. 9 is a schematic structural view of a tightening assembly in a target for close-up photogrammetry according to an embodiment of the present invention;

FIG. 10 is a schematic view of a structure of a strut in a target for close-range photogrammetry according to an embodiment of the present invention;

FIG. 11 is a schematic view showing the structure of an outer shield in a target for close-up photogrammetry according to an embodiment of the present invention;

FIG. 12 is a schematic view of the mounting structure of a slider in a target for close-up photogrammetry according to an embodiment of the present invention;

FIG. 13 is a schematic view of the structure of an outer sleeve in a target for close-up photogrammetry according to an embodiment of the present invention;

FIG. 14 is a schematic view of a structure of an adjustment lever in a target for close-up photogrammetry according to an embodiment of the present invention;

FIG. 15 is a schematic view of the structure of an automatic adjustment mechanism in a target for close-up photogrammetry according to an embodiment of the present invention;

FIG. 16 is a schematic top view of an automatic adjustment mechanism in a target for close-up photogrammetry according to an embodiment of the present invention;

FIG. 17 is a schematic diagram of the structure of a bottom stabilization assembly in a target for close-up photogrammetry according to an embodiment of the present invention;

fig. 18 is a schematic structural diagram of a truncated cone in a target for close-range photogrammetry according to an embodiment of the present invention;

FIG. 19 is a schematic view showing the structure of a holder in a target for close-up photogrammetry according to an embodiment of the present invention;

FIG. 20 is a schematic view of a shielding mechanism in a target for close-up photogrammetry according to an embodiment of the present invention;

FIG. 21 is a schematic view showing the internal structure of a shielding mechanism in a target for close-up photogrammetry according to an embodiment of the present invention;

FIG. 22 is a schematic view of the bottom structure of a shielding mechanism in a target for close-up photogrammetry according to an embodiment of the present invention;

FIG. 23 is a schematic view of the structure of a top cover plate in a target for close-up photogrammetry according to an embodiment of the present invention;

FIG. 24 is a schematic structural view of an adjusting ring in a target for close-up photogrammetry according to an embodiment of the present invention;

fig. 25 is a schematic structural view of a seal block in a target for close-up photogrammetry according to an embodiment of the present invention.

Reference numerals:

1. a stabilizing mechanism; 2. a target seat; 201. a pasting groove; 3. a protective mechanism; 301. an outer protective shell; 302. a light hole; 303. a sealing block; 304. an adjusting ring; 305. a top cover plate; 306. a central bore; 307. an adjustment aperture; 308. an adjusting handle; 309. a convex ring; 310. a notch; 311. a mounting shaft; 312. an adjusting column; 313. an arc-shaped hole; 4. labeling; 5. a middle stabilizing assembly; 6. a bottom stabilizing assembly; 61. a connecting rod; 62. round table blocks; 63. a fixed sleeve; 64. a connecting column; 65. a connecting groove; 66. a limit groove; 67. a limiting hole; 68. pushing a ball; 7. a mounting frame; 8. a tightening assembly; 9. an automatic adjustment mechanism; 91. a cross plate; 92. a fixed rod; 93. a vertical rod; 94. a mounting block; 95. an annular plate; 96. a guide rod; 97. a guide hole; 98. a through hole; 99. an adjusting spring; 10. an outer sleeve; 11. a top plate; 12. a bottom plate; 13. an adjusting rod; 14. a bar-shaped hole; 15. a fixed block; 16. a connecting frame; 17. a supporting plate; 18. a connecting block; 19. a mounting groove; 20. a spring is tightly propped; 21. top bead; 22. an outer guard plate; 23. a via hole; 24. assembling a rod; 25. a wear-resistant sleeve; 26. a baffle; 27. a slide block; 28. a chute; 29. an extension plate; 30. a mounting block; 31. and a slide hole.

Detailed Description

The invention is further described below with reference to the accompanying drawings and detailed description:

embodiment one: referring to fig. 1-5, a target for close-range photogrammetry according to an embodiment of the present invention includes a stabilizing mechanism 1, a target seat 2 is fixedly mounted at a top end of the stabilizing mechanism 1, a protection mechanism 3 is mounted at an end of the target seat 2 away from the stabilizing mechanism 1, and a label 4 is mounted at a top center of the target seat 2. When the device is used, the stabilizing mechanism 1 is placed in a hole of a steel member, the stabilizing mechanism 1 can be positioned with the inner wall of the hole of the steel member, the protecting mechanism 3 is opened at the moment, the label 4 mounted on the target seat 2 is exposed, and the label 4 is scanned and positioned by matching with laser scanning equipment, so that coordinate measurement of the hole of the steel member is realized.

In order to ensure that the targeting seat 2 can keep enough stable relative to the hole of the steel member, and then realize the stable positioning to the hole, in this embodiment, the stabilizing mean 1 includes middle part stabilizing assembly 5 and bottom stabilizing assembly 6, and bottom stabilizing assembly 6 installs the bottom at middle part stabilizing assembly 5, and the targeting seat 2 is installed at the top of middle part stabilizing assembly 5, and targeting seat 2 keeps away from the one end center of middle part stabilizing assembly 5 and has seted up paste groove 201, and label 4 is fixed to be pasted in paste groove 201.

Through the scheme of the invention, the label 4 can be sealed and protected through the protection mechanism 3 when not in use, so that the label 4 can be ensured not to be polluted by dust, and further, the positioning of photogrammetry is ensured to be more accurate, the stabilizing mechanism 1 for stably positioning the label 4 and the steel member is composed of the middle stabilizing component 5 and the bottom stabilizing component 6, the middle part and the bottom of the corresponding hole can be respectively kept stable, the target seat 2 is ensured to be sufficiently stable when being positioned, and the external influence on photogrammetry is reduced.

Embodiment two: referring to fig. 6, for the first embodiment, in order to ensure that the middle stabilizing assembly 5 can keep enough stability with the hole of the steel member, in this embodiment, the middle stabilizing assembly 5 includes a mounting frame 7, a tightening assembly 8 is mounted on the outer portion of the mounting frame 7, an automatic adjusting mechanism 9 is fixedly mounted on the top of the mounting frame 7, and the automatic adjusting mechanism 9 is used for adjusting the state of the tightening assembly 8, so that when the mounting frame 7 is located in the hole, the tightening assembly 8 can contact with the inner wall of the hole, and then positioning of the mounting frame 7 is achieved, and the targeting seat 2 is mounted on the end of the automatic adjusting mechanism 9, so that positioning of the targeting seat 2 can be achieved.

Referring to fig. 7-8, in order to enable the tightening assembly 8 to achieve moving adjustment relative to the mounting frame 7, and then achieve positioning function with the inner wall of the hole, in this embodiment, the mounting frame 7 includes an outer sleeve 10, a top plate 11 is fixedly mounted on the outer portion of the top end of the outer sleeve 10, a bottom plate 12 is fixedly mounted on the outer portion of the bottom end of the outer sleeve 10, the top plate 11 and the bottom plate 12 are coaxial and are mutually parallel, an adjusting rod 13 is inserted into the top end of the outer sleeve 10, a strip-shaped hole 14 is formed in the side wall of the outer sleeve 10, a fixing block 15 is fixedly mounted on the outer wall of the adjusting rod 13, the fixing block 15 is slidably arranged in the strip-shaped hole 14, a connecting frame 16 is mounted on the fixing block 15, and the tightening assembly 8 is mounted on the fixing block 15 through the connecting frame 16. The adjusting rod 13 can move inside the outer sleeve 10, and when the adjusting rod 13 moves, the fixing block 15 can be driven to move synchronously, so that the fixing block 15 can adjust the position of the tightening assembly 8 through the connecting frame 16, the tightening assembly 8 can move along the direction perpendicular to the axial direction of the adjusting rod 13, and stable contact between the tightening assembly 8 and the inner wall of the hole is realized.

Referring to fig. 9-14, in order to ensure that the tightening assembly 8 can be kept stable when adjusted relative to the adjusting rod 13, in this embodiment, two fixing blocks 15 in each bar hole 14 are provided, the tightening assembly 8 is arranged along the length direction of the bar hole 14, the tightening assembly 8 includes a supporting plate 17, one side of the supporting plate 17 facing the outer sleeve 10 is fixedly provided with a connecting block 18, the connecting block 18 is connected with the end of the connecting frame 16, the top end of the supporting plate 17 is fixedly provided with an assembly rod 24, the top plate 11 is provided with a sliding hole 31, the sliding hole 31 is arranged towards the center of the top plate 11, the top end of the assembly rod 24 passes through the sliding hole 31, a wear-resistant sleeve 25 is sleeved outside the assembly rod 24, and the outer wall of the wear-resistant sleeve 25 is in sliding connection with the inner wall of the sliding hole 31. When the adjusting rod 13 is adjusted up and down relative to the outer sleeve 10, the adjusting rod 13 can drive the connecting block 18 to move through the fixing block 15 and the connecting frame 16, and the connecting block 18 drives the supporting plate 17 to move, because the supporting plate 17 is limited by the sliding hole 31 through the assembling rod 24 and the wear-resistant sleeve 25, the supporting plate 17 can only move along the length direction of the sliding hole 31 through the assembling rod 24 and the wear-resistant sleeve 25, and therefore, when the adjusting rod 13 moves, the position of the supporting plate 17 can be adjusted, so that the supporting plate 17 is positioned in contact with the inner wall of the hole, or the supporting plate 17 is separated from the inner wall of the hole, and then the positioning of the target seat 2 is realized. The end of the assembly rod 24 is provided with a baffle plate 26, and the baffle plate 26 can prevent the wear-resistant sleeve 25 from falling off the assembly rod 24.

The sliding connection between the sliding hole 31 and the wear-resistant sleeve 25 can ensure the stability of the top of the supporting plate 17, and in order to ensure that the bottom of the supporting plate 17 can be stable, in this embodiment, an extension plate 29 is fixedly installed at the bottom of the supporting plate 17, an assembly block 30 is fixedly installed at the bottom of one end of the extension plate 29, which is far away from the supporting plate 17, a sliding block 27 is fixedly installed at the bottom end of the assembly block 30, a sliding groove 28 is formed at the top of the bottom plate 12, the sliding block 27 is slidably arranged in the sliding groove 28, and the sliding groove 28 is arranged towards the center direction of the bottom plate 12. When the supporting plate 17 moves, the bottom of the supporting plate 17 drives the extending plate 29 to move, the extending plate 29 drives the sliding block 27 to move synchronously through the assembling block 30, and at the moment, the sliding block 27 moves in the sliding groove 28 in a sliding manner, so that stable movement adjustment of the bottom of the extending plate 29 is ensured.

In order to ensure that the supporting plate 17 can keep enough contact with the inner wall of the hole when moving and adjusting, and then ensure stable positioning of the target seat 2, in the embodiment, a mounting groove 19 is formed in one side surface of the supporting plate 17 far away from the outer sleeve 10, a jacking spring 20 is fixedly arranged in the mounting groove 19, one end of the jacking spring 20 far away from the inside of the mounting groove 19 is fixedly provided with a jacking bead 21, when the supporting plate 17 moves towards the inner wall of the hole, the jacking bead 21 is pushed by the jacking spring 20 to synchronously move towards the inner wall of the hole, at the moment, the jacking bead 21 can firstly contact with the inner wall of the hole and realize positioning, the radian of the supporting plate 17 is not necessarily matched with the aperture of all holes, but the mutual matching between the jacking beads 21 can ensure stable contact between the supporting plate 17 and the inner wall of the hole, one end surface of the supporting plate 17 far away from the outer sleeve 10 is also provided with an outer guard 22, a through hole 23 is formed in the outer guard 22, the jacking bead 21 is arranged in the through hole 23, one side of the outer guard 22 far away from the supporting plate 17 is in an arc shape, the jacking bead 22 can effectively protect the supporting plate 17 and the jacking bead 21, and the jacking bead 21 can also be limited by the jacking bead 21 through the hole 23.

According to the scheme of the invention, the adjusting rod 13 can drive the supporting plate 17 to move, so that the supporting plate 17 is tightly attached to the inner wall of the hole, the outer sleeve 10, the top plate 11 and the bottom plate 12 are kept relatively stable, stable connection between the mounting frame 7 and the tightening assembly 8 is realized, stable combination with the hole is ensured, the target seat 2 mounted on the mounting frame 7 through the automatic adjusting mechanism 9 is positioned, the label 4 can be positioned through photography, the coordinates of the hole are determined, the contact effect of the supporting plate 17 and the inner wall of the hole can be improved through the top bead 21 and the tightening spring 20 arranged outside the supporting plate 17, the tightening assembly 8 can adapt to the holes with different apertures to be positioned, and the using effect of the automatic adjusting mechanism is improved.

Embodiment III: referring to fig. 15-16, for the second embodiment, in order to enable the automatic adjusting mechanism 9 to achieve the automatic function of adjusting the adjusting rod 13, in this embodiment, the automatic adjusting mechanism 9 includes a transverse plate 91, the transverse plate 91 is fixedly mounted on the top plate 11 through a fixing rod 92, a through hole 98 is provided in the center of the transverse plate 91, a vertical rod 93 is provided in the through hole 98 in a penetrating manner, the bottom end of the vertical rod 93 is connected with the top end of the adjusting rod 13, the top end of the vertical rod 93 is fixedly mounted with a mounting block 94, the targeting seat 2 is fixedly mounted on the mounting block 94, an annular plate 95 is fixedly mounted on the outer portion of the mounting block 94, in order to ensure that the mounting block 94 can perform stable movement adjustment relative to the top plate 11, in this embodiment, a guide hole 96 is fixedly mounted at the bottom of the annular plate 95, a guide hole 97 is provided on the transverse plate 91, the guide hole 97 is arranged over against the guide hole 96, the bottom end of the guide hole 96 is provided through the guide hole 97, and the guide hole 96 is slidingly connected with the guide hole 97, an adjusting spring 99 is provided between the annular plate 95 and the top plate 11, and the adjusting spring 99 is sleeved outside the guide hole 93. The adjusting spring 99 pushes the annular plate 95 through the top plate 11, the annular plate 95 drives the vertical rod 93 to move through the mounting block 94, the vertical rod 93 drives the adjusting rod 13 to synchronously move, and then the adjusting rod 13 is adjusted.

In practical use, the hand-held syringe can be used by one hand, the transverse plate 91 is clamped between the middle finger and the ring finger in a similar gesture to that of a hand-held syringe, then the protective mechanism 3 is pressed by the thumb, the adjusting spring 99 is in a compressed state at the moment, meanwhile, the mounting block 94 moves towards the transverse plate 91 due to the pressing of the thumb, the mounting block 94 drives the adjusting rod 13 to move through the vertical rod 93, the supporting plate 17 moves towards the outer sleeve 10, the mounting frame 7 and the tightening assembly 8 are conveniently plugged into the hole, after the mounting frame 7 enters the hole, the protective mechanism 3 is loosened by the thumb, the mounting block 94 returns under the action of the adjusting spring 99 due to the loss of pressure of the adjusting spring 99, then the supporting plate 17 is reset until the top bead 21 is tightly abutted against the inner wall of the hole, so that the positioning of the target seat 2 is realized, and when the mounting block is required to be removed, the mounting frame 7 is only required to be operated in a putting-in mode again.

The initial state of the connecting frame 16 shown in fig. 7 is that the connecting frame is obliquely upwards arranged along the length direction of the outer sleeve 10, the operation mode is that the protecting mechanism 3 is pressed to realize normal installation, and another initial state of the connecting frame 16 is that the connecting frame is obliquely downwards arranged along the length direction of the outer sleeve 10, at the moment, the adjustment of the protecting mechanism 3 is completely opposite, the protecting mechanism 3 moves away from the transverse plate 91, the corresponding adjusting spring 99 is also in a compressed state, and then the mounting frame 7 and the tightening assembly 8 are conveniently plugged into the hole.

Through the scheme of the invention, the whole device can be conveniently installed and positioned in the hole, the picking and placing are also convenient and quick, and even the device faces the blind hole with one end open, the same quick positioning can be realized, so that the problem that the traditional target only deals with through hole measurement is solved.

Embodiment four: referring to fig. 17-19, in order to enable the bottom stabilizing assembly 6 to be positioned with the inner side wall of the blind hole, in this embodiment, the bottom stabilizing assembly 6 includes a connecting rod 61 and a fixing sleeve 63, the connecting rod 61 is fixedly installed at the bottom end of the adjusting rod 13, and the connecting rod 61 and the adjusting rod 13 are arranged in a collinear manner, a round table block 62 is fixedly installed at one end of the connecting rod 61 far away from the adjusting rod 13, the fixing sleeve 63 is sleeved outside the round table block 62, the top end of the fixing sleeve 63 is fixedly installed at the bottom of the bottom plate 12 through a connecting column 64, a limiting hole 67 is formed in the side wall of the fixing sleeve 63, a top ball 68 is arranged in the limiting hole 67, the caliber of the side of the limiting hole 67 facing the outside of the fixing sleeve 63 is smaller than the caliber of the side facing the inside of the fixing sleeve 63, and the diameter of the top ball 68 is larger than the caliber of the limiting hole 67 facing the outside of the fixing sleeve 63, and the diameter of the top ball 68 is smaller than the caliber of the limiting hole 67 facing the inside of the fixing sleeve 63. When adjusting the pole 13 and adjusting the removal, adjust the pole 13 and can drive round platform piece 62 synchronous motion through connecting rod 61, round platform piece 62 alright promote the kicking ball 68 and remove this moment, when the outer wall of kicking ball 68 stretches out spacing hole 67 inside, alright realize the location with the inner wall contact in hole, ensure that stabilizing mean 1 is located the stability of hole innermost.

In order to ensure that the top ball 68 can be stably positioned relative to the limiting hole 67, the top ball 68 is prevented from being separated from the limiting hole 67, in this embodiment, a limiting groove 66 is formed in the outer wall of the circular truncated cone block 62, the top ball 68 is arranged in the limiting groove 66 in a rolling manner, a connecting groove 65 is formed in the top end of the circular truncated cone block 62, and the bottom end of the connecting rod 61 is fixedly mounted in the connecting groove 65.

Through the technical scheme of the invention, the round table block 62 can move synchronously along with the adjustment of the adjusting rod 13, and then the round table block 62 can adjust the position of the top ball 68 through the limiting groove 66, so that the top ball 68 can realize position adjustment in the limiting hole 67, when the top ball 68 passes through one side of the limiting hole 67 and contacts with the inner side wall of the hole, the positioning function can be realized, the stability of the stabilizing mechanism 1 is ensured, the setting of the limiting hole 67 not only can limit the top ball 68, but also can ensure that the top ball 68 cannot fall through the limiting hole 67, and the top ball 68 can automatically shrink along with the position of the round table block 62.

Fifth embodiment: referring to fig. 20-25, in order to enable the protection mechanism 3 to effectively protect the label 4 on the target seat 2, and not to hinder photographing of the label 4 when in use, in this embodiment, the protection mechanism 3 includes an outer casing 301, a top end opening of the outer casing 301, a light hole 302 is provided at a bottom of the outer casing 301, the outer casing 301 is fixedly mounted on the target seat 2, the label 4 is disposed opposite to the light hole 302, a sealing block 303 is provided in an inner portion of the outer casing 301, the sealing block 303 is rotatably connected with the outer casing 301, an adjusting ring 304 for adjusting rotation of the sealing block 303 is further provided in the inner portion of the outer casing 301, a top cover 305 is fixedly mounted at an end of the outer casing 301 away from the target seat 2, a center hole 306 is provided at a center of the top cover 305, and the center hole 306 is disposed opposite to the light hole 302. When the label 4 is not used, the sealing blocks 303 are combined together to seal the light holes 302, so that the label 4 can be prevented from being damaged, and when photogrammetry is needed, the target seat 2 is positioned through the stabilizing mechanism 1, then the adjusting ring 304 is adjusted to separate the sealing blocks 303 from each other, and at the moment, the label 4 can be positioned through the central hole 306 and the light holes 302 to realize photogrammetry of hole coordinates.

In order to enable the adjusting ring 304 to effectively adjust the sealing block 303, and then enable the sealing block 303 to seal and open the light hole 302, in this embodiment, an installation shaft 311 is fixedly installed at one end of the bottom of the sealing block 303, the sealing block 303 is rotatably installed on the bottom wall inside the outer protective shell 301 through the installation shaft 311, an adjusting column 312 is fixedly installed at one end, away from the installation shaft 311, of the top of the sealing block 303, an adjusting hole 307 is formed in the outer side of the adjusting ring 304, the adjusting hole 307 is obliquely arranged on the plane where the adjusting ring 304 is located, and the top of the adjusting column 312 is slidably arranged in the adjusting hole 307. When the adjusting ring 304 rotates, the adjusting ring 304 drives the adjusting column 312 to move through the adjusting hole 307, the adjusting column 312 drives the sealing block 303 to rotate around the mounting shaft 311, and when the sealing block 303 rotates, the light hole 302 can be sealed or opened.

In order to facilitate the adjustment of the adjusting ring 304, in this embodiment, an adjusting handle 308 is fixedly mounted on the outer side wall of the adjusting ring 304, an end portion of the adjusting handle 308, which is far away from the adjusting ring 304, penetrates through the side wall of the outer protecting shell 301, an arc hole 313 through which the adjusting handle 308 penetrates is formed in the side wall of the outer protecting shell 301, a convex ring 309 is fixedly mounted at the bottom of the top cover plate 305, the convex ring 309 can tightly press the sealing block 303, a notch 310 is formed in the convex ring 309, and the notch 310 can be penetrated by the adjusting handle 308.

Through the technical scheme of the invention, the protection mechanism 3 can protect the label 4 under the condition that the label 4 is not used, so that external impurities are prevented from falling onto the label 4 to influence the normal use of the label 4, and can be opened when the label 4 is subjected to photogrammetry and positioning, so that the measurement use of the label 4 is not influenced.

Example six: the application method of the target for close-range photogrammetry specifically comprises the following steps:

s1, clamping: the middle finger and ring finger grip the transverse plate 91, and then the thumb presses the protection mechanism 3;

s2, entering holes: placing the protection mechanism 3 into the hole to be photogrammetry, and then loosening the thumb;

s3, label exposure: adjusting the protection mechanism 3 to expose the label 4;

s4, positioning: the coordinates of the holes are determined by laser positioning photography of the label 4 by an external photographing device.

According to the technical scheme, the targets in the technology are very convenient to use, can be operated by one hand, are convenient to take and place, can effectively protect the labels 4, and effectively prolong the service life of the labels 4.

In order to facilitate understanding of the above technical solutions of the present invention, the following describes in detail the working principle or operation manner of the present invention in the actual process.

During practical use, the hand-held needle cylinder injector can be used by one hand, the transverse plate 91 is clamped between the middle finger and the ring finger, then the protective mechanism 3 is pressed by the thumb, the adjusting spring 99 is in a compressed state, meanwhile, the mounting block 94 moves towards the transverse plate 91 due to the pressing of the thumb, the mounting block 94 drives the adjusting rod 13 to move through the vertical rod 93, the supporting plate 17 moves towards the outer sleeve 10, the mounting frame 7 and the tightening assembly 8 are conveniently plugged into the hole, after the mounting frame 7 enters the hole, the protective mechanism 3 is loosened by the thumb, the adjusting spring 99 loses pressure, the mounting block 94 returns under the action of the adjusting spring 99, then the supporting plate 17 is reset until the top bead 21 is tightly abutted against the inner wall of the hole, the positioning of the target seat 2 is realized, and when the adjusting rod 13 is adjusted to move, the circular table block 62 is driven by the connecting rod 61 to move synchronously, the circular table block 62 can push the top ball 68 to move, when the outer wall of the top ball 68 stretches out of the limiting hole 67, the positioning can be realized by contacting with the inner wall of the hole, the stable mechanism 1 is ensured to be positioned in the hole, and the stable operation can be put into the hole again only when the stable operation is needed.

The label 4 can be sealed and protected through the protection mechanism 3 when not in use, so that the label 4 can be ensured not to be polluted by dust, further, the positioning of photogrammetry is ensured to be more accurate, the stabilizing mechanism 1 for stably positioning the label 4 and the steel member is composed of the middle stabilizing component 5 and the bottom stabilizing component 6, the middle part and the bottom of the hole can be respectively kept stable, the target seat 2 is ensured to be sufficiently stable when being positioned, and the external influence on photogrammetry is reduced.

The regulation pole 13 can drive fagging 17 and remove, make fagging 17 paste towards the inner wall in hole tightly, make outer sleeve 10 then, roof 11 and bottom plate 12 remain relatively stable, can also ensure to hold down the combination between the hole when realizing the stable connection between mounting bracket 7 and the tight subassembly 8 of propping, and install the target seat 2 on mounting bracket 7 through automatic regulating mechanism 9 and just also realized the location, just can fix a position the label 4 through photographic this moment, then confirm the coordinate in hole, moreover, the contact effect of fagging 17 and hole inner wall can be improved to top pearl 21 and tight spring 20 that set up in fagging 17 outside, make the tight subassembly 8 of propping can adapt to the hole of different apertures to fix a position, its result of use has been improved.

And the whole installation location that can be very convenient is in the hole, get and put also very convenient and fast, even be in the face of one end open-ended blind hole in addition, also can realize the same quick location, the condition that traditional target only should deal with the through-hole measurement has been solved, simultaneously round platform piece 62 can follow the regulation of adjusting pole 13 and realize synchronous movement, then round platform piece 62 can adjust the position of kicking ball 68 through spacing groove 66, make kicking ball 68 realize position adjustment in spacing hole 67, alright realize the locate function when kicking ball 68 passes one side of spacing hole 67 and the inside wall contact of hole, ensure stable mechanism 1's stability, and the setting of spacing hole 67 not only can carry out spacingly to kicking ball 68, can also ensure that kicking ball 68 can not pass spacing hole 67 and drop, it can follow the position of round platform piece 62 to realize automatic shrink to have guaranteed kicking ball 68.

In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "configured," "connected," "secured," "screwed," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other or in interaction with each other, unless explicitly defined otherwise, the meaning of the terms described above in this application will be understood by those of ordinary skill in the art in view of the specific circumstances.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The target for close-range photogrammetry is characterized by comprising a stabilizing mechanism (1), wherein a target seat (2) is fixedly arranged at the top end part of the stabilizing mechanism (1), a protection mechanism (3) is arranged at one end, far away from the stabilizing mechanism (1), of the target seat (2), and a label (4) is arranged at the center of the top of the target seat (2);

the stabilizing mechanism (1) comprises a middle stabilizing component (5) and a bottom stabilizing component (6), the bottom stabilizing component (6) is arranged at the bottom of the middle stabilizing component (5), the target seat (2) is arranged at the top of the middle stabilizing component (5), a pasting groove (201) is formed in the center of one end, far away from the middle stabilizing component (5), of the target seat (2), and the label (4) is fixedly pasted in the pasting groove (201);

the middle stabilizing assembly (5) comprises a mounting frame (7), a tightening assembly (8) is mounted outside the mounting frame (7), and an automatic adjusting mechanism (9) for adjusting the tightening assembly (8) is fixedly mounted at the top of the mounting frame (7);

the mounting rack (7) comprises an outer sleeve (10), a top plate (11) is fixedly arranged outside the top end of the outer sleeve (10), a bottom plate (12) is fixedly arranged outside the bottom end of the outer sleeve (10), an adjusting rod (13) is inserted into the top end of the outer sleeve (10), a strip-shaped hole (14) is formed in the side wall of the outer sleeve (10), a fixing block (15) which is arranged in the strip-shaped hole (14) in a sliding mode is fixedly arranged on the outer wall of the adjusting rod (13), a connecting frame (16) is arranged on the fixing block (15), and the tightening assembly (8) is arranged on the fixing block (15) through the connecting frame (16);

the bottom stabilizing assembly (6) comprises a connecting rod (61) and a fixing sleeve (63) which are fixedly arranged at the bottom end part of the adjusting rod (13), the connecting rod (61) is far away from a circular truncated cone block (62) which is fixedly arranged at the end part of one end of the adjusting rod (13), the fixing sleeve (63) is sleeved outside the circular truncated cone block (62), the top end of the fixing sleeve (63) is fixedly arranged at the bottom of the bottom plate (12) through a connecting column (64), a limiting hole (67) is formed in the side wall of the fixing sleeve (63), a top ball (68) is arranged in the limiting hole (67), the caliber of the side, which faces the outer side of the fixing sleeve (63), is smaller than the caliber of the side, which faces the inner side of the fixing sleeve (63), of the top ball (68), and the diameter of the top ball (68) is larger than the caliber of the limiting hole (67), which faces the inner side of the fixing sleeve (63).

2. The target for close-range photogrammetry according to claim 1, wherein the tightening assembly (8) comprises a supporting plate (17), a connecting block (18) is fixedly installed on one side of the supporting plate (17) facing the outer sleeve (10), the connecting block (18) is connected with the end part of the connecting frame (16), an assembling rod (24) is fixedly installed on the top end part of the supporting plate (17), a sliding hole (31) is formed in the top plate (11), the sliding hole (31) is arranged facing the center of the top plate (11), the top end part of the assembling rod (24) penetrates through the sliding hole (31), a wear-resisting sleeve (25) is sleeved outside the assembling rod (24), the outer wall of the wear-resisting sleeve (25) is in sliding connection with the inner wall of the sliding hole (31), and a baffle (26) is installed on the end part of the assembling rod (24).

3. The target for close-range photogrammetry according to claim 2, wherein an extension plate (29) is fixedly installed at the bottom of the supporting plate (17), an assembly block (30) is fixedly installed at the bottom of one end of the extension plate (29) far away from the supporting plate (17), a sliding block (27) is fixedly installed at the bottom end of the assembly block (30), a sliding groove (28) is formed in the top of the bottom plate (12), the sliding block (27) is slidably arranged in the sliding groove (28), and the sliding groove (28) is arranged towards the center direction of the bottom plate (12).

4. A target for close-range photogrammetry according to claim 3, characterized in that, mounting groove (19) has been seted up to a side that outer sleeve (10) was kept away from to fagging (17), fixed mounting has tight spring (20) in mounting groove (19), tight spring (20) of top is kept away from inside one end fixed mounting of mounting groove (19) and is had top pearl (21), outer backplate (22) are still installed to an end that outer sleeve (10) was kept away from to fagging (17), through-hole (23) have been seted up on outer backplate (22), top pearl (21) are located in through-hole (23).

5. The target for close-range photogrammetry according to claim 1, 2 or 4, characterized in that the automatic adjusting mechanism (9) comprises a transverse plate (91), the transverse plate (91) is fixedly installed on the top plate (11) through a fixing rod (92), a through hole (98) is formed in the center of the transverse plate (91), a vertical rod (93) is arranged in the through hole (98) in a penetrating mode, the bottom end of the vertical rod (93) is connected with the top end of the adjusting rod (13), an installation block (94) is fixedly installed at the top end of the vertical rod (93), a target seat (2) is fixedly installed on the installation block (94), an annular plate (95) is fixedly installed at the outer portion of the installation block (94), a guide rod (96) is fixedly installed at the bottom of the annular plate (95), a guide hole (97) is formed in the transverse plate (91), the guide hole (97) is just opposite to the guide rod (96), the bottom end of the guide rod (96) is arranged in a penetrating mode (97), the guide rod (96) is connected with the guide hole (97) in a sliding mode, the guide hole (97) is connected with the guide rod (99), and a spring (99) is arranged between the guide rod (99) and the top plate (11).

6. The target for close-range photogrammetry according to claim 5, wherein the outer wall of the circular truncated cone block (62) is provided with a limit groove (66), the top ball (68) is arranged in the limit groove (66) in a rolling manner, the top end of the circular truncated cone block (62) is provided with a connecting groove (65), and the bottom end of the connecting rod (61) is fixedly arranged in the connecting groove (65).

7. The target for close-range photogrammetry according to claim 6, wherein the protection mechanism (3) comprises an outer protective shell (301), the top end of the outer protective shell (301) is opened, a light hole (302) is formed in the bottom of the outer protective shell (301), the outer protective shell (301) is fixedly mounted on the target seat (2), the label (4) is right opposite to the light hole (302), a sealing block (303) is arranged in the outer protective shell (301), the sealing block (303) is rotationally connected with the outer protective shell (301), an adjusting ring (304) for adjusting the rotation of the sealing block (303) is further arranged in the outer protective shell (301), a top cover plate (305) is fixedly mounted at one end, far away from the target seat (2), of the outer protective shell (301), a center hole (306) is formed in the center of the top cover plate (305), and the center hole (306) is right opposite to the light hole (302).

8. The target for close-range photogrammetry according to claim 7, wherein a mounting shaft (311) is fixedly mounted at one end of the bottom of the sealing block (303), the sealing block (303) is rotatably mounted on the inner bottom wall of the outer protective casing (301) through the mounting shaft (311), an adjusting column (312) is fixedly mounted at one end of the top of the sealing block (303) far away from the mounting shaft (311), an adjusting hole (307) is formed in the outer side of the adjusting ring (304), an adjusting handle (308) is fixedly mounted on the outer side wall of the adjusting ring (304), one end of the adjusting handle (308) far away from the adjusting ring (304) penetrates through the side wall of the outer protective casing (301), an arc-shaped hole (313) through which the adjusting handle (308) penetrates is formed in the side wall of the outer protective casing (301), a convex ring (309) is fixedly mounted at the bottom of the top cover plate (305), and a gap (310) is formed in the convex ring (309).

9. A method of using the target for close-range photogrammetry as claimed in claim 8, comprising the steps of:

s1, clamping: the middle finger and the ring finger clamp the transverse plate (91), and then the thumb presses the protection mechanism (3);

s2, entering holes: placing the protection mechanism (3) into a hole to be measured in a photographic way, and then loosening the thumb;

s3, label exposure: the protection mechanism (3) is regulated to expose the label (4);

s4, positioning: the coordinates of the holes are determined by laser positioning photography of the label (4) by means of an external photographic device.