CN111255987B - Visual-axis-adjustable multi-load universal object carrying device with environmental adaptability - Google Patents
Visual-axis-adjustable multi-load universal object carrying device with environmental adaptability Download PDFInfo
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- CN111255987B CN111255987B CN202010070371.2A CN202010070371A CN111255987B CN 111255987 B CN111255987 B CN 111255987B CN 202010070371 A CN202010070371 A CN 202010070371A CN 111255987 B CN111255987 B CN 111255987B
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- 230000007613 environmental effect Effects 0.000 title claims abstract description 14
- 230000003287 optical effect Effects 0.000 claims abstract description 128
- 230000000007 visual effect Effects 0.000 claims abstract description 15
- 238000007789 sealing Methods 0.000 claims description 42
- 238000009434 installation Methods 0.000 claims description 21
- 230000007704 transition Effects 0.000 claims description 16
- 230000003014 reinforcing effect Effects 0.000 claims description 8
- 230000003044 adaptive effect Effects 0.000 claims 6
- 238000012544 monitoring process Methods 0.000 abstract description 28
- 238000011161 development Methods 0.000 abstract description 3
- 238000013461 design Methods 0.000 description 11
- 238000000034 method Methods 0.000 description 7
- 230000008859 change Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 239000000969 carrier Substances 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 3
- 230000005484 gravity Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
- F16M11/06—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting
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Abstract
In order to meet the development requirements of a security control television monitoring system on complex and various monitoring objects, continuously expanded monitoring airspace and continuously improved environmental adaptability, the invention provides a visual axis adjustable multi-load universal carrying device with environmental adaptability. The device comprises two groups of carrying units, wherein each carrying unit comprises a mounting flange, a carrying frame, a rotary positioning sleeve, an angle adjusting stop block, a wedge block, a spherical supporting block and a counterweight component; the mounting flange is fixedly arranged on the side surface of the object carrier; the object carrier is of a hollow frame structure, and the upper end surface and the lower end surface of the object carrier are both provided with a positioning hole and a plurality of mounting grooves; the rotary positioning sleeve is arranged in the positioning hole; the bottom surface of the optical load is provided with a plurality of mounting blocks, and the optical load is mounted on the object carrier through the mounting blocks; the bottom end of the wedge block is arranged in the mounting groove, and the bottom end of the spherical supporting block is arranged in the mounting groove; the angle adjusting stop block and the counterweight component are fixedly arranged at two ends of the object carrier.
Description
Technical Field
The invention relates to the field of live monitoring and measuring equipment, in particular to a visual axis adjustable multi-load universal carrying device with environmental adaptability, which can be applied to a security control television monitoring system.
Background
The aircraft may have special situations such as side flight, anti-flight and the like during the flight, and once the situations occur, safety control needs to be carried out on the aircraft immediately. The security control television monitoring system is used as a live monitoring and measuring device, is widely applied to important areas such as airports, army target sites, space launching sites and the like, and is mainly used for providing a visual and reliable information source for safety control of an aircraft launching initial section, providing live scenes of the aircraft launching initial section for a security control commander, superposing a safety pipeline curve and related target measurement information, and providing necessary basis for security control decisions of the aircraft launching initial section for test tasks so as to make various judgments and decisions quickly.
As shown in fig. 1, a security television monitoring system generally includes three major parts, namely a pan/tilt head 1, a carrier system 2 and an optical load 3. The head 1 performs a specific task by using a carrier system 2 in combination with a single optical load, two or more optical loads 3. However, in modern optical measurement, the monitored objects become complex and diverse, and in order to meet the change of the monitored objects, the pan/tilt head 1 needs to carry different optical payloads to adapt to the diversity of the monitored objects. Therefore, the interface of the carrier system 2 on which the optical load 3 is mounted is required to have versatility, and the optical load 3 can be easily attached and detached.
The secured television surveillance system itself is of the gazing equipment type. When the monitoring task is executed, the airspace monitored by the optical load 3 is determined, and then the optical load does not rotate along the horizontal axis and the vertical axis of the holder. However, with the requirement of expanding the spatial domain monitored by the optical load 3, the field of view of a single optical load 3 is difficult to cover the required monitoring spatial domain, and field splicing is required for a plurality of optical loads 3. Therefore, the carrier system 2 carrying the optical loads 3 is required to be capable of rapidly adjusting the optical axis angle of each optical load 3, so as to realize the field splicing of the optical loads 3 and meet the requirements of different monitoring airspace ranges.
The security control television monitoring system is mainly used in the open air environment of the areas such as airports, army target yards, space launching grounds and the like, most of equipment is provided with an additional outdoor protective cover for dust-proof and rain-proof protection according to the requirements of the use environment, and the protective cover is opened when in use, is not used or is closed when encountering severe weather, and can not achieve all weather. However, with the continuous innovation of the technology, users have also made higher and higher requirements on the environmental adaptability of the equipment, especially for the dust-proof and rain-proof performance of such precision optical instruments. At present, a security control television monitoring system in the market has many dustproof and rainproof structure designs aiming at a holder 1 and an optical load 3. Since the carrier system 2 is often customized according to the type, size and number of the optical loads 3, the structure is various, which results in a lack of a fixed mode for the dust-proof and rain-proof design of the carrier system 2 and the structure is not versatile.
Disclosure of Invention
The invention aims to meet the development requirements of a security control television monitoring system on complex and various monitoring objects, continuously expanded monitoring airspace and continuously improved environmental adaptability, and provides a visual axis adjustable multi-load universal carrying device with environmental adaptability. The universal type object carrying device can meet the requirement of the object carrying unit for quickly adjusting the optical axis angle of each optical load, so that the field of view splicing of a plurality of optical loads is completed, and the adjusting method is simple and reliable. Through the sealing design of each position and the characteristic design of the reinforcing ribs, the flow guide grooves and the flow guide holes of the carrier, the carrier is ensured to have good sealing performance and dustproof and rainproof performance. Meanwhile, the object carrier has flexible and changeable counterweight forms, and can meet the requirement of rapid balancing after the object carrying unit carries the optical load.
In order to achieve the purpose, the technical method adopted by the invention is as follows:
a visual axis adjustable multi-load universal carrying device with environmental adaptability comprises two groups of carrying units, wherein the two groups of carrying units are arranged on two sides of a holder and are respectively connected with a left main shaft and a right main shaft of the holder; the carrying unit comprises a mounting flange, a carrying rack, a rotary positioning sleeve, an angle adjusting stop block, a wedge block, a spherical supporting block and a counterweight component; the mounting flange is fixedly arranged on the side surface of the object carrier and is connected with the left main shaft and the right main shaft of the holder; the article carrier is of a hollow frame structure, and the upper end surface and the lower end surface of the article carrier are provided with positioning holes and a plurality of mounting grooves; the rotary positioning sleeve is arranged in the positioning hole and is used for being matched with a central positioning pin hole of the optical load; the bottom surface of the optical load is provided with a plurality of mounting blocks, the side surfaces of the mounting blocks are provided with first inclined surfaces, each mounting block is provided with a second waist-shaped hole, the second waist-shaped holes are uniformly distributed on the same circumference, the optical load is mounted on the object carrier through the mounting blocks, and cables of the optical load pass through the rotary positioning sleeve and the object carrier and enter the cloud deck; the wedge block is arranged at the front end of the object carrier, the bottom end of the wedge block is installed in the installation groove, the top end of the wedge block is provided with a second inclined surface, and the second inclined surface is matched with the first inclined surface of the installation block; the spherical supporting block is arranged at the rear end of the luggage carrier, the bottom end of the spherical supporting block is arranged in the mounting groove, the top end of the spherical supporting block is a spherical surface, and the spherical surface is matched with the supporting spherical surface arranged on the first inclined surface; the angle adjusting stop blocks are fixedly arranged at two ends of the object carrier and provided with azimuth angle adjusting screws and pitch angle adjusting screws, the tail ends of the azimuth angle adjusting screws are abutted against the mounting blocks of the optical load, and the tail ends of the pitch angle adjusting screws are abutted against the wedge blocks; the counterweight component comprises a counterweight seat, a counterweight rod and a counterweight block; the two counterweight seats are respectively arranged at the two ends of the object carrier, the two ends of the counterweight rod are respectively fixed on the counterweight seats, and the counterweight block is sleeved on the counterweight rod and locked on the counterweight rod through a locking screw.
Furthermore, the object carrying unit further comprises cover plates, the cover plates are arranged at two ends of the object carrier and used for sealing end faces of two sides of the object carrier, and an object carrier end face sealing ring is arranged between the cover plates and the object carrier.
Furthermore, a first waist-shaped hole is formed in the mounting flange, and the connecting piece penetrates through the first waist-shaped hole to connect the mounting flange with the connecting flanges of the left main shaft and the right main shaft.
Furthermore, the mounting groove is a T-shaped groove, the wedge block is a T-shaped wedge block, the bottom end of the wedge block is of a T-shaped structure, and the wedge block is mounted in the T-shaped groove; the bottom end of the spherical supporting block is of a T-shaped structure and is arranged in the T-shaped groove.
Furthermore, a reinforcing rib is arranged in the middle of the T-shaped groove of the carrier, and flow guide holes communicated with the T-shaped grooves on the two sides are formed in the reinforcing rib.
Furthermore, the outer surface of the rotary positioning sleeve is a conical surface, and an axial sealing ring and a radial sealing ring are arranged on the contact surface of the rotary positioning sleeve and the positioning hole.
Furthermore, a plurality of diversion trenches are arranged on the upper end face and the lower end face of the carrier.
Furthermore, the object carrying unit further comprises a universal transition plate, the optical load is arranged on the object carrier through the universal transition plate, and the central positioning pin hole, the second waist-shaped hole, the first inclined plane and the supporting spherical surface are all arranged on the universal transition plate.
Furthermore, the carrier is installed with the rabbets of the left main shaft and the right main shaft, and main shaft sealing rings are arranged on the contact surfaces of the carrier and the left main shaft and the right main shaft.
Further, the optical load is installed in the installation groove of the object carrier through a T-shaped bolt and a nut.
Compared with the prior art, the technical scheme of the invention has the beneficial effects that:
1. the universal carrying device can carry four loads, the system interface of the carrying rack has universality, the optical loads can be simply assembled and disassembled, and the problem of monitoring object diversification faced by a security control television monitoring system can be well solved.
2. The universal carrying device can realize the quick adjustment of the optical load optical axis with two degrees of freedom, and the included angle of the carrying frame systems at the left side and the right side can also be quickly adjusted, thereby solving the problem that the monitoring airspace of a security control television monitoring system is continuously enlarged and the requirement of multi-view-field splicing is needed.
3. The universal carrying device is provided with the quick balancing device, the counterweight form is flexible and changeable, the quick balancing of equipment carrying multiple loads and after load replacement can be met, and the universal carrying device has universality and good load adaptability.
4. The universal carrying device has good dustproof and rainproof functions, and can ensure that when cables of optical loads enter the cloud platform from the inside of the carrying frame in a shaft penetrating mode, the carrying frame system can provide good dustproof and rainproof protection for the cables, and the environmental adaptability of the safety control television monitoring system is improved.
Drawings
FIG. 1 is a schematic diagram of a conventional security-controlled television monitoring system;
FIG. 2 is a schematic view of an installation of the universal loading device with adjustable visual axis and multiple loads according to the present invention;
FIG. 3a is a schematic view of the connection between the carrier and the pan/tilt head of the universal loading device according to the present invention;
FIG. 3b is a cross-sectional view of the carrier and the platform of the universal loading device of the present invention;
FIG. 4a is a schematic structural view of a carrier rack of the universal loading device according to the present invention;
FIG. 4b is a cross-sectional view of the carrier of the universal loading apparatus of the present invention;
FIG. 5a is a schematic diagram of an optical load according to the present invention;
FIG. 5b is a schematic view of the construction of the optical load mounting block of the present invention;
FIG. 6 is a schematic view of the mounting of an optical load on a carrier of the present invention;
FIG. 7 is a schematic view of the installation of the rotary positioning sleeve in the universal carrier of the present invention;
FIG. 8 is a schematic structural diagram of a rotary positioning sleeve in the universal loading device of the present invention;
FIG. 9a is a first schematic view illustrating the installation of the angle adjustment block in the universal loading device according to the present invention;
FIG. 9b is a second schematic view illustrating the installation of the angle adjustment block in the universal carrier of the present invention;
FIG. 9c is a schematic view showing the installation of the angle adjustment stopper in the universal carrier of the present invention;
FIG. 9d is a schematic structural diagram of a wedge block in the universal loading apparatus of the present invention;
FIG. 9e is a schematic view of a spherical support block in the universal loading device according to the present invention;
FIG. 10a is a schematic view of the cover plate of the universal carrier device according to the present invention;
FIG. 10b is a schematic view of the seal of the rotary positioning sleeve of the universal carrier of the present invention;
FIG. 10c is an enlarged view of a portion of FIG. 10 b;
FIG. 11 is a schematic view of a counterweight assembly of the universal carrier apparatus of the present invention;
FIG. 12a is a schematic view of the installation of the universal transition plate in the universal carrier of the present invention;
fig. 12b is a schematic structural diagram of a universal transition plate in the universal loading device according to the present invention.
Reference numerals: 1-a pan-tilt head, 2-a carrier system, 3-an optical load, 4-a carrier unit, 5-a carrier, 6-a carrier mounting screw, 7-a left main shaft, 8-a right main shaft, 9-a main shaft sealing ring, 10-a positioning hole, 11-a mounting groove, 12-a reinforcing rib, 13-a diversion groove, 14-a first kidney-shaped hole, 15-a carrier mounting spigot, 16-a carrier mounting spigot peripheral sealing groove, 19-a diversion hole, 20-a mounting flange, 21-a mounting block, 22-a central positioning pin hole, 23-a second kidney-shaped hole, 24-a first inclined plane, 25-a supporting spherical surface, 26-T-shaped bolts, 27-nuts, 28-a rotary positioning sleeve, 29-a screw and 30-a conical surface at the top end of the rotary positioning sleeve, 31-a cylindrical surface at the bottom end of a rotary positioning sleeve, 32-a sealing groove of the cylindrical surface of the rotary positioning sleeve, 33-a sealing groove of the bottom surface of the rotary positioning sleeve, 35-an angle adjusting block screw, 36-an angle adjusting block, 37-an azimuth adjusting screw, 38-a pitch angle adjusting screw, 39-a wedge, 40-a spherical supporting block, 41-a sealing ring at the end face of a carrier rack, 42-a cover plate, 43-a cover plate mounting screw, 44-a sealing ring, 45-an axial sealing ring, 46-a radial sealing ring, 47-a cable, 48-a counterweight seat, 49-a counterweight rod mounting screw, 50-a counterweight seat mounting screw, 51-a counterweight block, 52-a locking screw, 53-a counterweight rod, 54-a universal transition plate, 55-a mounting screw and 56-a transition plate threaded hole.
Detailed Description
The technical scheme of the invention is explained in detail in the following by combining the drawings and the specific embodiment.
The invention provides a visual axis adjustable multi-load universal carrying device with environmental adaptability, which has universality with an interface of an optical load, can realize simple disassembly and assembly of the optical load and is provided with a two-degree-of-freedom optical load optical axis quick adjusting mechanism. In order to meet the requirement of flexibly carrying various optical loads, the universal carrying device is also provided with a quick balancing device. Simultaneously, this general year thing device design has simple and easy, the universalization seal structure that possesses good dustproof, rain-proof performance. The universal carrying device is utilized, the security control television monitoring system only needs to replace different loads according to task requirements, the cradle head and the carrier can be repeatedly used without being researched again, the system has extremely high cost performance, has good environmental adaptability, and can realize all-weather security control monitoring to the greatest extent. The universal carrying device improves the adaptability and the practicability of a security control television monitoring system, accords with the development trend of live monitoring measuring equipment, and has wide application prospect.
As shown in fig. 2, fig. 3a and fig. 3b, the multiple-load adjustable visual axis universal object carrying device with environmental adaptability provided by the present invention includes two sets of object carrying units 4, wherein the two sets of object carrying units 4 are disposed at two sides of the pan/tilt head 1 and are respectively connected with the left main shaft 7 and the right main shaft 8 of the pan/tilt head 1.
As shown in fig. 2 to 12b, the carrier unit 4 comprises a mounting flange 20, a carrier rack 5, a rotary positioning sleeve 28, an angle adjustment stop 36, a wedge 39, a spherical support block 40 and a counterweight component; the mounting flange 20 is fixedly arranged on the side surface of the object carrier 5 and is connected with the left main shaft 7 and the right main shaft 8 of the cloud deck 1. Specifically, a first waist-shaped hole 14 is formed in the mounting flange 20, and the object carrying mounting screw 6 penetrates through the first waist-shaped hole 14 to connect the mounting flange 20 with the connecting flanges of the left main shaft 7 and the right main shaft 8. The upper end surface and the lower end surface of the object carrier 5 are both provided with a positioning hole 10 and a plurality of mounting grooves 11; the rotary positioning sleeve 28 is arranged in the positioning hole 10 and is used for being matched with the central positioning pin hole 22 of the optical load 3; the bottom surface of the optical load 3 is provided with a plurality of mounting blocks 21, the side surfaces of the mounting blocks 21 are provided with first inclined surfaces 24, each mounting block 21 is provided with a second waist-shaped hole 23, and the second waist-shaped holes 23 are uniformly distributed on the same circumference, so that the optical load 3 is mounted on the carrier frame 5 through the mounting blocks 21.
As shown in fig. 3a, 4a, 5b, 9a, 9b and 9c, the wedge 39 is arranged at the front end of the luggage carrier 5, the bottom end of the wedge is mounted in the mounting groove 11, the top end of the wedge is provided with a second inclined surface, and the second inclined surface is matched with the first inclined surface 24 of the mounting block 21; the spherical supporting block 40 is arranged at the rear end of the luggage carrier 5, the bottom end of the spherical supporting block is arranged in the mounting groove 11, the top end of the spherical supporting block is arranged to be a spherical surface, and the spherical surface is matched with the supporting spherical surface arranged on the first inclined surface; the angle adjusting stoppers 36 are fixedly mounted at both ends of the carrier frame 5, and are provided with azimuth angle adjusting screws 37 and pitch angle adjusting screws 38, the ends of the azimuth angle adjusting screws 37 abut against the mounting blocks 21 of the optical load 3, and the ends of the pitch angle adjusting screws 38 abut against the wedges 39. Specifically, the mounting groove 11 is a T-shaped groove, the wedge 39 is a T-shaped wedge, and the bottom end of the T-shaped groove is of a T-shaped structure and is mounted in the T-shaped groove; the spherical support block 40 is a T-shaped spherical support block, the bottom end of which is set to a T-shaped structure and is installed in a T-shaped groove.
When 4 mounting blocks of the optical load 3 are designed, the front sides of the two mounting blocks at the front end are designed into equal-inclination-angle inclined planes, the rear sides of the two supporting planes at the rear end are designed into a form that the equal-inclination-angle inclined planes are matched with a spherical surface, and the spherical center of the spherical surface is higher than that of the supporting planes. 2T-shaped wedges are arranged in a T-shaped groove at the front end of the carrier 5, and the inclination angles of the T-shaped wedges are designed to be the same as the inclination angle of the supporting surface of the optical load 3 so as to be matched with the two. 2 spherical supporting blocks 40 are arranged in a T-shaped groove at the rear end of the object carrier 5, the height of the spherical center is designed to be consistent with that of the spherical center of the supporting surface of the optical load 3, and the diameter of the spherical surface is the same as that of the supporting surface of the optical load 3, so that the two spherical supporting blocks are matched for use. The 4 angle adjusting stoppers 36 are respectively installed at the front and rear ends of the T-shaped groove by screws, and the azimuth angle adjusting screw 37 and the pitch angle adjusting screw 38 are respectively installed by threaded holes on the angle adjusting stoppers 36. The threaded tips of the azimuth angle adjustment screw 37 and the pitch angle adjustment screw 38 are both designed as ball heads.
As shown in fig. 10a, the loading unit 4 further includes cover plates 42, the cover plates 42 are disposed at two ends of the loading rack 5, and are used for sealing end surfaces of two sides of the loading rack 5, and a rack end surface sealing ring 41 is further disposed between the cover plates 42 and the loading rack 5.
In the universal carrying device, the carrying frame 5 adopts a T-shaped hollow frame structure form which is symmetrical up and down, and has the characteristics of light weight and high rigidity. The upper and lower end surfaces (i.e. the mounting surface of the optical load 3) of the object carrier 5 are respectively provided with 1 positioning hole 10 for mounting a positioning pin. The front and rear end faces of the article carrier 5 are respectively provided with 4 standardized T-shaped grooves which are symmetrical up and down and used for installing T-shaped bolts 26. However, the T-shaped groove is designed not to penetrate through the front end surface and the rear end surface of the object carrier 5, but the reinforcing rib 12 with the flow guiding function is designed in the middle of the T-shaped groove, so that the rigidity of the object carrier 5 is further enhanced under the condition that the mass is hardly increased, and the bearing capacity of the object carrier 5 is ensured.
As shown in fig. 11, the weight assembly includes a weight holder 48, a weight rod 53, and a weight 51; the two counterweight seats 48 are respectively arranged at two ends of the object carrier 5, two ends of a counterweight rod 53 are respectively fixed on the counterweight seats 48, and a counterweight block 51 is sleeved on the counterweight rod 53 and locked on the counterweight rod 53 through a locking screw 52. Specifically, the weight seat 48 is fixed on the object carrier 5 by a weight seat mounting screw 50, the weight rod 53 is fixed on the weight seat 48 by a weight rod mounting screw 49, and the weight block 51 is connected with the weight rod 53 by an inner hole and locked at the fixed position of the weight rod 53 by a locking screw 52. The weight seat 48 is designed with a plurality of weight bar 53 mounting holes, and the weight bars 53 can be adjusted to a proper position according to the actual weight requirement. The connection of the clump weight 51 and the weight rod 53 adopts cylindrical surface matching, the clump weight 51 can slide on the weight rod 53 for gravity center adjustment, and a plurality of clump weights 51 can be installed on a single weight rod 53. Through the design, the object carrying unit 4 has a flexible and changeable counterweight form, the rapid balancing requirement after the optical load 3 is carried by the object carrying frame system is realized, and the balancing mechanism of the object carrying frame system is integrally arranged on one side of the T-shaped object carrying frame 5, so that the rapid dismounting of the optical load 3 and the rapid adjustment of the optical axis of the optical load 3 are not affected.
In addition, the optical load 3, the T-shaped bolt 26 and the nut 27 can slide back and forth in the T-shaped groove as a whole, and the center of gravity of the optical load 3 can be adjusted by engaging with the quick trim mechanism.
As shown in fig. 12a and 12b, the carrier unit 4 may further include a universal transition plate 54, and the carrier frame 5 and the optical load 3 are connected by the universal transition plate 54. The universal transition plate 54 is provided with a transition plate threaded hole 56 for mounting the mirror optical load 3 in addition to the characteristic center positioning pin hole 22, the second waist-shaped hole 23, the first inclined surface 24 and the support spherical surface 25 of the optical load 3. In the extended structure form of the original system, when the optical load 3 is replaced, the replacement can be completed only by loosening the mounting screw 55, taking down and replacing the optical load 3 and then screwing down the mounting screw 55. Therefore, the expansion mode can also realize the functions of providing the interface of the carrier system 2 with universality, easily assembling and disassembling the optical load 3 and quickly adjusting the optical axis of the optical load 3, and other functions and using methods of the prior system are not changed.
The device of the invention adopts 4 mounting blocks 21 to support the optical load 3, thereby not only ensuring the strength requirement for supporting the optical load 3, but also avoiding the problem that the flatness is difficult to ensure when a large plane is adopted to support the optical load 3. The 4 mounting blocks 21 are also designed with 4 second kidney-shaped holes 23 which are evenly distributed on the same circumference. Through the second waist-shaped hole 23 and the T-shaped groove, the optical load 3 and the object carrier 5 are connected by 4T-shaped bolts 26 and locked by nuts 27, so that the optical load 3 is quickly installed. While the rotating retaining sleeve 28 is designed as a top-tapered, bottom-cylindrical structure. When the optical load 3 is installed, the center positioning of the optical load 3 can be quickly completed through the matching of the rotary positioning sleeve 28 and the center positioning pin hole 22, and further guarantee is provided for the quick installation of the optical load 3. When optical load 3 changes according to the task needs, loosen 4 nuts 27, take off optical load 3, change other optical load 3 to it is fixed to utilize the same mode to install, can load the purpose of different payloads in order to reach same tracking frame system, satisfies monitoring object's variety. With the above design, the object of providing versatility to the interface of the carrier system on which the optical load 3 is mounted is achieved, and the optical load 3 can be easily attached and detached.
The end face of the carrier 5 connected with the left main shaft 7 and the right main shaft 8 is provided with 2 first waist-shaped holes 14 which are symmetrically distributed around the axial center, and the center of the end face is provided with an installation seam allowance. The mounting rabbets are matched with the left main shaft 7 and the right main shaft 8 in the radial direction, and the object carrier 5 is fixedly mounted on the left main shaft 7 and the right main shaft 8 through 2 first kidney-shaped holes 14 by using the object carrying mounting screws 6. When the angle adjustment is needed to be carried out on the left and right side object carriers 5 to finish the splicing of the optical load 3 view fields at the left and right sides, the object carrying mounting screws 6 are loosened, the object carriers 5 are rotated around the axis by utilizing the radial matching of the mounting rabbets, the left and right side object carriers 5 are adjusted to a proper angle according to the angle requirement, and the left and right side object carriers 5 are fixed by utilizing the object carrying mounting screws 6. Through the design, the angle of the carrier systems on the left side and the right side can be quickly adjusted, the carrier systems are convenient to assemble and adjust, and the angle can be flexibly changed according to requirements.
Sealing grooves are designed on the peripheries of end face mounting rabbets connected with the left main shaft 7 and the right main shaft 8 of the object carrier 5, the size of each sealing groove is designed according to O-shaped rubber sealing rings with the size specified by national standards, and corresponding O-shaped rubber sealing rings (main shaft sealing rings 9) are selected for molding, filling and sealing, so that the end faces connected with the left main shaft 7 and the right main shaft 8 of the object carrier 5 are guaranteed to have good dustproof and rainproof performance. The front end face and the rear end face of the object carrier 5 are also designed with sealing grooves, the cover plates 42 are respectively fixed on the front end face and the rear end face of the object carrier 5 through the cover plate mounting screws 43 by using the same sealing principle, and the object carrier end face sealing rings 41 are tightly pressed, so that the hollow frame of the object carrier 5 is ensured to have good space sealing performance.
The positioning holes 10 on the upper and lower end faces of the article carrier 5 are also designed with sealing grooves, and the rotary positioning sleeve 28 is installed on the positioning hole 10 through a screw and presses the positioning hole sealing ring 44 tightly. Meanwhile, the two end faces of the rotary positioning sleeve 28, which are matched with the central positioning pin hole 22 of the optical load 3, are respectively provided with a layer of sealing groove, and an O-shaped rubber sealing ring with a corresponding size is installed, so that double-layer dustproof and rainproof protection is formed on the cavity of the optical load 3. Through the design, when the cable 47 of the optical load 3 enters the holder 1 from the inside of the carrier 5 in a shaft penetrating manner, the carrier system provides good dustproof and rainproof performance for the cable. Meanwhile, the size of the sealing groove is designed according to the O-shaped rubber sealing ring with the size specified by national standards, so that the O-shaped rubber sealing ring can be conveniently purchased, and the sealing performance of the sealing position is good.
Meanwhile, the upper end face and the lower end face of the carrier 5 are provided with the flow guide grooves 13, the middle position of the T-shaped groove is provided with the reinforcing rib flow guide hole 19 with a through bottom, and the bottom end of the adjusting stop block arranged at the position of the T-shaped groove of the carrier 5 is also provided with a gap with the bottom end of the T-shaped groove, so that the discharge of a large amount of rainwater in rainy days can be ensured, and the rainproof function of the carrier system is further improved.
The invention provides an environment-adaptive visual-axis-adjustable multi-load universal carrying device, which comprises the following installation processes:
as shown in fig. 3b and 4b, the main shaft seal ring 9 is first pressed into the sealing groove 16 at the periphery of the rack mounting spigot, 2 racks 5 are respectively radially clamped with the left main shaft 7 and the right main shaft 8 through the rack mounting spigot 15, and the racks 5 are axially fixed with the left main shaft 7 and the right main shaft 8 through mounting screws.
As shown in fig. 2, 4a, 4b, 5a, 7, 8, 10b and 10c, the seal ring 44 is pressed into the positioning hole seal groove, the rotary positioning sleeve 28 is fixedly mounted in the positioning hole 10 by 4 screws 29, and the seal ring 44 is pressed. The axial seal ring 45 and the radial seal ring 46 are respectively pressed into the corresponding rotary positioning sleeve cylindrical surface seal groove 32 and the rotary positioning sleeve bottom surface seal groove 33 on the rotary positioning sleeve 28, and the central positioning pin hole 22 of the optical load 3 is clamped into the rotary positioning sleeve 28, so that the rotary positioning sleeve 28 has the characteristics of the rotary positioning sleeve top end conical surface 30 and the rotary positioning sleeve bottom end cylindrical surface 31, and the central positioning pin hole 22 can be ensured to be quickly clamped. The shaft-penetrating cable 47 penetrates through a central thread hole of the rotary positioning sleeve 28 and enters the cloud deck 11 in a shaft-penetrating mode.
As shown in fig. 2, 3a, 5a, 6 and 7, before the optical load 3 is snapped into the rotating positioning sleeve 28, 4T-bolts 26 are first installed on the object carrier 5 through the installation slots 11. When the optical load 3 is clamped into the rotary positioning sleeve 28, the 4T-shaped bolts 26 respectively pass through the 4 second kidney-shaped holes 23 of the optical load 3, at this time, the 4 nuts 27 are respectively installed in cooperation with the 4T-shaped bolts 26, and the installation block 21 is attached to the installation plane of the carrier 5.
As shown in fig. 3a, 4a, 9a to 9e, 2 wedges 39 are respectively installed in 2 installation grooves 11 on the front side of the carrier rack 5, 2 angle adjustment stoppers 36 are respectively fixed on the front side of the carrier rack 5 by 2 angle adjustment stopper screws 35, and an azimuth angle adjustment screw 37 and a pitch angle adjustment screw 38 are respectively installed at corresponding positions of the front 2 angle adjustment stoppers 36. 2 spherical supporting blocks 40 are respectively arranged in 2 mounting grooves 11 on the rear side of the carrier rack 5, 2 angle adjusting stoppers 36 are respectively fixed on the rear side of the carrier rack 5 through 2 angle adjusting stopper screws 35, and an azimuth angle adjusting screw 37 and a pitch angle adjusting screw 38 are respectively arranged at corresponding positions of the 2 angle adjusting stoppers 36 on the rear side.
As shown in fig. 10a, the carrier end seal rings 41 are respectively pressed into the front and rear carrier end seal grooves of the carrier 5, and the cover plates 42 are respectively fixed to the front and rear sides of the carrier 5 by 4 cover plate mounting screws 43, thereby pressing the carrier end seal rings 41.
As shown in fig. 11, 2 weight seats 48 are respectively installed at the side of the carrier rack 5 by using 4 weight seat installation screws 50, a weight rod 53 is vertically inserted from the outer side of 1 weight seat 48 and inserted into a weight block 51 at the middle position, the weight rod 53 is inserted into the other 1 weight seat 48, the weight rod 53 is installed on 2 weight seats 48 by using 2 weight rod installation screws 49, and a locking screw 52 is installed at the corresponding position of the weight block 51.
Since the object carrier 5 has a vertically symmetrical structure, all components mounted on the object carrier 5 in the vertical direction are mounted in the same manner as the two optical loads 3. Meanwhile, the mounting method of all the components when the optical loads 3 are mounted on the left and right racks 5 of the system is the same.
When the optical load needs to be replaced, the 4 nuts 27 are loosened, the optical load 3 is removed, and the optical load is replaced with another optical load. In the whole optical load replacing process, the nut 27 is loosened and screwed, other parts are not disassembled, the optical load is easy to disassemble and assemble, and the interface has good universality.
When the angle of the left and right side carrying units 4 is required to be adjusted quickly, the carrying mounting screws 6 on the two sides are loosened, the carrying frame 5 is rotated around the axis by utilizing the radial fit of the carrying frame mounting spigot 15, the first waist-shaped hole 14 rotates along with the axis, the left and right side carrying frames 5 are adjusted to a proper angle according to the angle requirement, the carrying mounting screws 6 are screwed down, the left and right side carrying frames 5 are fixed at the required angle positions, and the adjustment is quick and convenient.
When only left-right (azimuth angle) adjustment is needed for the visual axis of a single or a plurality of optical loads 3, the optical loads are driven to swing along the second waist-shaped hole 23 by using 4 azimuth angle adjusting screws 37 on the 4 angle adjusting stoppers 36 of each optical load 3, so that left-right (azimuth angle) adjustment of the visual axis is realized.
When only up-down (pitch angle) adjustment is needed for the visual axis of a single or multiple optical loads 3, 4 pitch angle adjusting screws 38 on the 4 angle adjusting blocks 36 are used for respectively driving 2T-shaped wedges 39 at the front end to be attached to 2 equal-inclination-angle inclined surfaces at the front end of the optical loads 3 to form a plane pair. And driving the 2 spherical supporting blocks 40 at the rear end to be attached to the 2 spherical surfaces at the rear end of the optical load 3 to form a spherical pair. The front 2 pitch angle adjusting screws 38 are driven again to change the positions of the two planes of the plane pair formed by the front end of the optical load 3, at this time, the plane pair is changed into a line surface contact high pair, the front end of the optical load 3 rises, and the rear 2 spherical pairs are supported by the rear 2 pitch angle adjusting screws 38 to keep the positions unchanged, so that the vertical (pitch angle) adjustment of the visual axis is realized, and the hexagonal flange surface locking nuts 27 are used for locking after the adjustment is finished. At this time, the original 4 supporting planes of the optical load 3 are separated from the carrier 5, and the front side 2 linear-surface contact high pairs and the rear side 2 spherical pairs support, so that the supporting stability can be ensured. In order to prevent redundant constraint of the supporting surfaces caused by the fact that original 4 supporting planes of the optical load 3 are still attached to the carrier 5 when the front end of the optical load 3 rises, the rear sides of the two supporting planes at the rear end of the optical load 3 are designed to be in a form of an equal-inclination-angle inclined plane matched with a spherical surface, and the spherical center of the spherical surface is higher than the supporting planes.
When the optical load 3 needs to adjust the vertical (pitch angle) and the horizontal (azimuth angle) of the visual axis at the same time, the vertical (pitch angle) is adjusted in place by using the vertical (pitch angle) adjustment method of the visual axis, and then the horizontal (azimuth angle) is adjusted in place by using the horizontal (azimuth angle) adjustment method. It should be noted that, when performing the left-right (azimuth) adjustment, the actual optical load 3 is already in the support mode of 2 line-surface contact high pairs and 2 spherical pairs, and the left-right (azimuth) adjustment will cause the 2 line-surface contact high pairs and the 2 spherical pairs to rotate around the rotating positioning sleeve 28 as well. In order to adapt to the position change, the matching mode of the T-shaped wedge block 39, the spherical support block 40 and the T-shaped groove is designed to be in clearance fit, the matching clearance is guaranteed to meet the position change requirement, and the positions of the T-shaped wedge block 39 and the spherical support block 40 can be changed along with the change of the linear-surface contact high pair and the spherical pair. Meanwhile, the ball head design at the thread top ends of the azimuth angle adjusting screw 37 and the pitch angle adjusting screw 38 ensures that the corresponding contact positions are point-surface contact high pairs, and the T-shaped wedge block 39 and the spherical supporting block 40 are not restrained by ball head point-surface contact support when changing along with the line-surface contact high pairs and the spherical pairs.
Through the design, the requirement of the carrier system for quickly adjusting the optical axis angle of each optical load 3 is met, and then the field splicing of at most 4 optical loads 3 can be completed so as to meet the requirements of different monitoring airspace ranges. After the parts are installed on the object carrier 5, the parts do not need to be disassembled, and can be used or not used according to the optical axis adjustment requirement, and no negative influence is caused on the disassembly and assembly of the optical load 3, the debugging of a system and the like.
In practical engineering, according to a specific angle adjustment range and adjustment sensitivity, a coarse-tooth screw or a fine-tooth screw with a corresponding length can be selected, and a corresponding length and an inclination angle of the T-shaped wedge block 39 are designed. Meanwhile, a universal transition plate 54 can be additionally arranged between the optical load 3 and the carrier 5 for connection, and the characteristics of 4 supporting planes of the optical load 3 are designed on the universal transition plate 54, so that the system interface of the carrier has universality, the optical load 3 can be easily assembled and disassembled, and the optical axis of the optical load 3 can be quickly adjusted.
Claims (10)
1. The utility model provides a what possess environmental suitability is adjustable to visual axis carries thing device with general formula of many loads which characterized in that: the device comprises two groups of carrying units (4), wherein the two groups of carrying units (4) are arranged on two sides of a holder (1) and are respectively connected with a left main shaft (7) and a right main shaft (8) of the holder (1);
the carrying unit (4) comprises a mounting flange (20), a carrying rack (5), a rotary positioning sleeve (28), an angle adjusting stop block (36), a wedge block (39), a spherical support block (40) and a counterweight component;
the mounting flange (20) is fixedly arranged on the side surface of the object carrier (5) and is connected with a left main shaft (7) and a right main shaft (8) of the holder (1);
the luggage carrier (5) is of a hollow frame structure, and the upper end face and the lower end face of the luggage carrier are both provided with a positioning hole (10) and a plurality of mounting grooves (11);
the rotary positioning sleeve (28) is arranged in the positioning hole (10) and is used for being matched with a central positioning pin hole (22) of the optical load (3) to be installed; the bottom surface of the optical load (3) is provided with a plurality of mounting blocks (21), the side surfaces of the mounting blocks (21) are provided with first inclined planes (24), each mounting block (21) is provided with a second waist-shaped hole (23), the second waist-shaped holes (23) are uniformly distributed on the same circumference, the optical load (3) is mounted on the carrier (5) through the mounting blocks (21), and a cable (47) of the optical load (3) passes through the rotary positioning sleeve (28) and the carrier (5) and enters the cradle head (1);
the wedge block (39) is arranged at the front end of the object carrier (5), the bottom end of the wedge block is installed in the installation groove (11), the top end of the wedge block is provided with a second inclined surface, and the second inclined surface is matched with the first inclined surface (24) of the installation block (21);
the spherical supporting block (40) is arranged at the rear end of the object carrier (5), the bottom end of the spherical supporting block is installed in the installation groove (11), the top end of the spherical supporting block is provided with a spherical surface, and the spherical surface is matched with a supporting spherical surface (25) arranged on the first inclined surface;
the angle adjusting stop blocks (36) are fixedly arranged at two ends of the object carrier (5) and provided with azimuth angle adjusting screws (37) and pitch angle adjusting screws (38), the tail ends of the azimuth angle adjusting screws (37) are abutted against the mounting block (21) of the optical load, and the tail ends of the pitch angle adjusting screws (38) are abutted against the wedge block (39);
the counterweight component comprises a counterweight seat (48), a counterweight rod (53) and a counterweight block (51); two counterweight seats (48) are respectively arranged at two ends of the object carrier (5), two ends of the counterweight rod (53) are respectively fixed on the counterweight seats (48), and the counterweight block (51) is sleeved on the counterweight rod (53) and locked on the counterweight rod (53) through a locking screw (52).
2. The environmentally adaptable multi-load universal carrier device according to claim 1, further comprising: the object carrying unit further comprises cover plates (42), the cover plates (42) are arranged at two ends of the object carrying frame (5) and used for sealing end faces of two sides of the object carrying frame (5), and an object carrying frame end face sealing ring (41) is further arranged between the cover plates (42) and the object carrying frame (5).
3. The environmentally adaptive, boresight adjustable, multi-load universal loading unit of claim 2, wherein: the mounting flange (20) is provided with a first waist-shaped hole (14), and the connecting piece penetrates through the first waist-shaped hole (14) to connect the mounting flange (20) with the connecting flanges of the left main shaft (7) and the right main shaft (8).
4. The environmentally adaptable boresight adjustable multi-load universal loading unit according to claim 1, 2 or 3, wherein: the mounting groove (11) is a T-shaped groove, the wedge block (39) is a T-shaped wedge block, the bottom end of the wedge block is of a T-shaped structure, and the wedge block is mounted in the T-shaped groove; the bottom end of the spherical supporting block (40) is arranged to be of a T-shaped structure and is arranged in a T-shaped groove.
5. The environmentally adaptive, boresight adjustable, multi-load universal loading unit of claim 4, wherein: a reinforcing rib (12) is arranged in the middle of a T-shaped groove of the carrier (5), and flow guide holes (19) communicated with the T-shaped grooves on the two sides are formed in the reinforcing rib (12).
6. The environmentally adaptive, boresight adjustable, multi-load universal loading unit of claim 5, wherein: the outer surface of the rotary positioning sleeve (28) is a conical surface, and an axial sealing ring (45) and a radial sealing ring (46) are arranged on the contact surface of the rotary positioning sleeve (28) and the positioning hole (10).
7. The environmentally adaptive, boresight adjustable, multi-load universal loading unit of claim 6, wherein: the upper end surface and the lower end surface of the carrier (5) are provided with a plurality of diversion trenches (13).
8. The environmentally adaptive, boresight adjustable, multi-load universal loading unit of claim 7, wherein: the carrying unit further comprises a universal transition plate (54), the optical load (3) is arranged on the carrying rack (5) through the universal transition plate (54), and the central positioning pin hole (22), the second waist-shaped hole (23), the first inclined surface (24) and the supporting spherical surface (25) are all arranged on the universal transition plate (54).
9. The environmentally adaptive, boresight adjustable, multi-load universal loading unit of claim 8, wherein: the carrier (5) is mounted with the rabbets of the left main shaft (7) and the right main shaft (8), and main shaft sealing rings (9) are arranged on the contact surfaces of the carrier (5) and the left main shaft (7) and the right main shaft (8).
10. The environmentally adaptable multi-load universal carrier device according to claim 9, further comprising: the optical load is installed in the installation groove (11) of the object carrier (5) through a T-shaped bolt (26) and a nut (27).
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| CN202010070371.2A CN111255987B (en) | 2020-01-21 | 2020-01-21 | Visual-axis-adjustable multi-load universal object carrying device with environmental adaptability |
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