CN114753703A - Airport signal transmitting device and using method - Google Patents
Airport signal transmitting device and using method Download PDFInfo
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- CN114753703A CN114753703A CN202210398926.5A CN202210398926A CN114753703A CN 114753703 A CN114753703 A CN 114753703A CN 202210398926 A CN202210398926 A CN 202210398926A CN 114753703 A CN114753703 A CN 114753703A
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- 238000000034 method Methods 0.000 title claims abstract description 26
- 230000001681 protective effect Effects 0.000 claims abstract description 59
- 238000001125 extrusion Methods 0.000 claims abstract description 30
- 230000009194 climbing Effects 0.000 claims abstract description 21
- 230000008569 process Effects 0.000 claims abstract description 13
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 8
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 8
- 241001330002 Bambuseae Species 0.000 claims description 8
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 8
- 239000011425 bamboo Substances 0.000 claims description 8
- 230000008054 signal transmission Effects 0.000 claims description 8
- 238000010521 absorption reaction Methods 0.000 claims description 5
- 230000001105 regulatory effect Effects 0.000 claims description 3
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- 241000282326 Felis catus Species 0.000 claims 3
- 230000000694 effects Effects 0.000 abstract description 7
- 238000013461 design Methods 0.000 description 8
- 238000009434 installation Methods 0.000 description 6
- 238000001179 sorption measurement Methods 0.000 description 3
- 206010048909 Boredom Diseases 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 2
- 239000011449 brick Substances 0.000 description 2
- 230000005389 magnetism Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
- E04H12/02—Structures made of specified materials
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
- E04H12/22—Sockets or holders for poles or posts
- E04H12/2253—Mounting poles or posts to the holder
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Abstract
The invention discloses an airport signal transmitting device and a using method thereof, the airport signal transmitting device comprises a tower base, a tower body is fixed at the top end of the tower base, a ladder stand is fixed at the inner sides of the tower body and the tower base, a protective rod is arranged at the side part of the ladder stand, end frames are fixed at both ends of the protective rod, and the using method comprises the following steps: the tower body and the tower base are both provided with signal enhancement transmitters which transmit low-frequency signals generated by the machine room to the signal enhancement transmitters; according to the invention, through the designed protection rod, the protection sleeve, the stop block and the extrusion spring, in the climbing process, the protection sleeve is pulled by the safety belt to move upwards, the extrusion effect is generated between the stop block and the stop groove, automatic unlocking is realized, repeated fixation is not needed, the climbing is more convenient, and no boring feeling is caused, so that the safety is improved, and meanwhile, the stop block and the lower bottom surface of the stop groove are contacted with each other, so that the stop is realized, and the safety is improved.
Description
Technical Field
The invention belongs to the technical field of airport signal transmitting devices, and particularly relates to an airport signal transmitting device and a using method thereof.
Background
The signal transmitting tower is a wireless signal transmitting device, is shaped like a tower, is called a signal tower, and is used for transmitting information between a communication switching center and a flight terminal in a certain radio coverage area.
The existing signal transmitting tower is installed inside an airport in use, signal enhancement transmission is carried out through a signal enhancer and a transmitting end on a tower body, due to the high precision of equipment, regular maintenance is needed, the signal transmitting tower can climb to the upper portion of the tower body through a ladder stand to be maintained and overhauled, but in the actual climbing process, safety belts used for protecting maintainers can only be tied up on the ladder stand, the safety belts need to be replaced and fixed again when the safety belts climb for a certain distance, the operation of the safety belts is complex, the maintainers are easy to be tired, and further the safety belts are not tied up, so that safety accidents are caused.
Disclosure of Invention
The invention aims to provide an airport signal transmitting device and a using method thereof, which aim to solve the problems that a signal transmitting tower proposed in the background technology climbs through a ladder stand when being overhauled and maintained, but safety belts need to be fixed again at intervals in the climbing process, so that the safety belts are fixed fussy, and further are easy to be boring, the safety belts are not worn safely, and safety accidents occur.
In order to achieve the purpose, the invention provides the following technical scheme: an airport signal transmitting device comprises a tower base, wherein a tower body is fixed at the top end of the tower base, a ladder stand is fixed on the inner sides of the tower body and the tower base, a protective rod is arranged on the side portion of the ladder stand, end frames are fixed at two ends of the protective rod, the end frames are fixed on the side walls of the ladder stand, a protective sleeve is sleeved on the outer wall of the protective rod, a side sleeve is inlaid on the side wall of the protective sleeve, an extrusion spring is arranged in the side sleeve, a stop block, the protective sleeve and the extrusion spring are designed to generate a lifting extrusion acting force through the stop block and the stop groove so as to push the stop block to be automatically unlocked and separated from the stop groove without fixing a safety belt repeatedly, so that the safety belt can be lifted more conveniently and quickly, a stop block is arranged at one end of the extrusion spring, the stop groove is formed in the side wall of the protective rod in a linear array manner, and the stop block is arranged in the corresponding stop groove, the protective sleeve is characterized in that a connecting column is embedded in the other side of the protective sleeve, the hanging ring is rotatably mounted on the protective sleeve through the designed connecting column, and the hanging ring is fixed at one end of the connecting column.
Preferably, the inside of extrusion spring is provided with the slide bar, through the slide bar of design, is convenient for pull the stopper piece, makes the stopper piece break away from the stopper inslot, the surface at the stopper piece is fixed to the one end of slide bar, the other end of slide bar runs through side section of thick bamboo surface, and the other end of slide bar is connected with the end plate.
Preferably, a mounting seat is fixed on the surface of the side barrel, a supporting rod is rotatably connected to the mounting seat through a rotating shaft, the supporting rod is supported at the end plate through design, and the stop block of the supporting rod is limited in a separation position.
Preferably, a supporting plate is fixed on the surface of one end of the supporting rod, a magnetic attraction plate is fixed on the surface of the supporting plate, and the supporting rod is adsorbed at the end plate through the designed magnetic attraction plate, so that the supporting is more stable.
Preferably, the longitudinal section of the connecting column is of a convex structure, and the cross section of the protective rod is of a rectangular structure.
Preferably, the bottom mounting of tower body has the bottom plate, threaded hole has been seted up on the surface of bottom plate, threaded hole inside has the fine setting double-screw bolt through threaded connection, through the fine setting double-screw bolt and the regulating plate of design, realizes the fine setting to the installation level, improves its installation accuracy, the one end of fine setting double-screw bolt is connected with the rotary column, the bottom of rotary column is connected with the regulating plate, there is the fine setting nut through threaded connection on the fine setting double-screw bolt, through the fine setting nut of design, the realization is locked fixedly to the fine setting double-screw bolt.
Preferably, the top of tower body is provided with the connection flange dish, the top of connection flange dish is connected with the lightning rod, through the lightning rod of design, plays lightning-arrest effect.
The invention also comprises a using method of the airport signal transmitting device, which comprises the following steps: the method comprises the following steps:
the method comprises the following steps: the tower body and the tower base are both provided with a signal enhancement emitter, the signal enhancement emitter can convert low-frequency signals, the low-frequency signals generated by the signal enhancement emitter are transmitted to the signal enhancement emitter through a machine room, the low-frequency signals are converted by the signal enhancement emitter to be converted into high-frequency signals, the high-frequency signals are transmitted to a signal transmitting end, the signal transmission is realized through the signal transmitting end, when the tower body and the tower base are maintained, the tower body and the tower base climb onto the tower body and the tower base through climbing, the side part of the ladder stand is provided with a protective rod for protection, a safety rope is clamped on a hanging ring on the protective rod and ascends upwards, the protective sleeve synchronously ascends under the traction of the safety rope, in the ascending process, the cambered surface of the stop block and the inclined surface of the stop groove are mutually extruded to generate acting force to push the stop block to be separated from the stop groove, thereby not blocking the rising of the protective sleeve;
step two: after the stop block is aligned with the corresponding stop groove, the compression-state extrusion spring releases the elastic force and quickly pushes the compression-state extrusion spring into the stop groove, the bottom plane of the stop block is contacted with the stop groove, stop protection is realized, and the designed extrusion spring can exert the elastic force on the stop block to ensure quick reset;
step three: when climbing downwards, the end plate is pulled to drive the stop block to be separated from the stop groove, so that the protective sleeve moves downwards on the protective rod;
step four: one end of the rotating support rod is supported between the end plate and the side cylinder, so that the stop block does not need to be pulled for multiple times, and the reduction efficiency is improved.
Compared with the prior art, the invention has the beneficial effects that:
(1) according to the protection rod, the protection sleeve, the stop block and the extrusion spring, the protection sleeve moves upwards under the traction of the safety belt in the climbing process, the stop block and the stop groove generate an extrusion effect in the upward moving process, so that the stop block is pushed to automatically separate from the stop groove, automatic unlocking is realized, repeated fixation is not needed, the climbing is more convenient, and no annoyance is caused, so that the safety is improved.
(2) Through the slide bar and the end plate of design, the convenience is when climbing down, exert pulling force effect to ending the position piece, guarantee that it breaks away from ending the position inslot, the protective sleeve gliding of being convenient for, through the branch of design, branch can support between end plate and side section of thick bamboo, receive the pulling force effect state to ending the position piece and keep, and then need not to stimulate repeatedly when making to climb down and end the position piece and adjust, efficiency is climbed down in the improvement, through the magnetism board of inhaling of design, inhale magnetism board and end plate mutual adsorption and connect, avoid branch to take place to drop.
(3) Through the designed adjusting plate, the fine adjustment stud and the rotary column, one end of the fine adjustment stud is rotatably connected with the adjusting plate through the rotary column, and then the fine adjustment stud is rotated to be screwed with the bottom plate, so that fine adjustment of the installation height of the device is realized, the traditional method of stacking and brick stacking is avoided, and the installation level precision is guaranteed to be higher.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is an enlarged view of the invention at A in FIG. 1;
FIG. 3 is a partial assembled cross-sectional view of the protective bar, protective sleeve and stop block of the present invention;
FIG. 4 is an enlarged view of the invention at B of FIG. 3;
FIG. 5 is an enlarged view of the invention at C of FIG. 1;
in the figure: 1. a tower body; 2. a guard bar; 3. climbing a ladder; 4. a tower base; 5. a protective sleeve; 6. a side cylinder; 7. an end frame; 8. an end plate; 9. a stop groove; 10. hanging a ring; 11. connecting columns; 12. a stop block; 13. a slide bar; 14. a compression spring; 15. a mounting seat; 16. a magnetic attraction plate; 17. a strut; 18. fine tuning the stud; 19. a base plate; 20. an adjusting plate; 21. rotating the column; 22. and (5) locking a nut.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1 to 4, the present invention provides a technical solution: an airport signal transmitting device comprises a tower seat 4, a tower body 1 is fixed at the top end of the tower seat 4, a ladder stand 3 is fixed on the inner sides of the tower body 1 and the tower seat 4, a protective rod 2 is arranged on the side portion of the ladder stand 3, end frames 7 are fixed at both ends of the protective rod 2, the end frames 7 are fixed on the side walls of the ladder stand 3, a protective sleeve 5 is sleeved on the outer wall of the protective rod 2, a side sleeve 6 is embedded on the side wall of the protective sleeve 5, an extrusion spring 14 is arranged inside the side sleeve 6, a stop block 12 is arranged at one end of the extrusion spring 14, stop grooves 9 are formed in the side wall of the protective rod 2 in a linear array mode, the protective sleeve 5, the stop block 12 and the extrusion spring 14 are designed, in the climbing process, the protective sleeve 5 is pulled by a safety belt to move upwards, in the upward moving process, an extrusion effect is generated between the stop block 12 and the stop grooves 9, and accordingly the stop block 12 is pushed to be automatically separated from the stop grooves 9, the safety belt protection device has the advantages that automatic unlocking is realized, repeated fixing is not needed, the safety belt protection device can climb up more conveniently, and no boredom is caused, so that safety is improved, meanwhile, the stop block 12 and the lower bottom surface of the stop groove 9 are in contact with each other, stop is realized, locking is guaranteed to be timely blocked when the safety belt protection device suddenly falls in an unexpected situation, safety is improved, the stop block 12 is arranged in the corresponding stop groove 9, the connecting column 11 is embedded on the other side of the protection sleeve 5, the hanging ring 10 is fixed at one end of the connecting column 11, and through the designed connecting column 11 and the hanging ring 10, the hanging ring 10 is rotatably arranged on the protection sleeve 5 through the connecting column 11, so that safety protection is realized by hanging the safety belt on the hanging ring 10.
In the embodiment, preferably, a sliding rod 13 is arranged inside the extrusion spring 14, through the designed sliding rod 13 and end plate 8, when climbing downwards, a tensile force is applied to the stop block 12 to ensure that the stop block 12 is separated from the stop groove 9, so that the protective sleeve 5 can slide downwards conveniently, one end of the sliding rod 13 is fixed on the surface of the stop block 12, the other end of the sliding rod 13 penetrates through the surface of the side tube 6, the end plate 8 is connected with the other end of the sliding rod 13, a mounting seat 15 is fixed on the surface of the side tube 6, a supporting rod 17 is rotatably connected to the mounting seat 15 through a rotating shaft, through the designed supporting rod 17, the supporting rod 17 can be supported between the end plate 8 and the side tube 6, the state of the stop block 12 under the tensile force is maintained, further, when climbing downwards, the stop block 12 does not need to be repeatedly pulled to adjust, the downwards climbing efficiency is improved, a supporting plate is fixed on the surface of one end of the supporting rod 17, a magnetic absorption plate 16 is fixed on the surface of the supporting plate, through the designed magnetic absorption plate 16, inhale magnetic sheet 16 and end plate 8 mutual adsorption and connect, avoid branch 17 to take place to drop, the longitudinal section of spliced pole 11 is type of calligraphy structure, and the cross section of guard bar 2 is the rectangle structure, and the top of tower body 1 is provided with the flange dish, and the top of flange dish is connected with the lightning rod.
Example 2
Referring to fig. 1 to 5, the present invention provides a technical solution: an airport signal transmitting device comprises a tower seat 4, a tower body 1 is fixed at the top end of the tower seat 4, a ladder stand 3 is fixed on the inner sides of the tower body 1 and the tower seat 4, a protective rod 2 is arranged on the side portion of the ladder stand 3, end frames 7 are fixed at both ends of the protective rod 2, the end frames 7 are fixed on the side walls of the ladder stand 3, a protective sleeve 5 is sleeved on the outer wall of the protective rod 2, a side sleeve 6 is embedded on the side wall of the protective sleeve 5, an extrusion spring 14 is arranged inside the side sleeve 6, a stop block 12 is arranged at one end of the extrusion spring 14, stop grooves 9 are formed in the side wall of the protective rod 2 in a linear array mode, the protective sleeve 5, the stop block 12 and the extrusion spring 14 are designed, in the climbing process, the protective sleeve 5 is pulled by a safety belt to move upwards, in the upward moving process, an extrusion effect is generated between the stop block 12 and the stop grooves 9, and accordingly the stop block 12 is pushed to be automatically separated from the stop grooves 9, the safety belt climbing device has the advantages that automatic unlocking is achieved, repeated fixing is not needed, climbing is more convenient, and boredom cannot be caused, so that safety is improved, meanwhile, the stop block 12 and the lower bottom surface of the stop groove 9 are in contact with each other, stop is achieved, locking is timely prevented when accidental falling occurs, safety is improved, the stop block 12 is arranged in the corresponding stop groove 9, the connecting column 11 is embedded in the other side of the protection sleeve 5, the hanging ring 10 is fixed at one end of the connecting column 11, through the designed connecting column 11 and the hanging ring 10, the hanging ring 10 is rotatably installed on the protection sleeve 5 through the connecting column 11, and safety protection is achieved by hanging a safety belt on the hanging ring 10.
In the embodiment, preferably, a sliding rod 13 is arranged inside the extrusion spring 14, through the designed sliding rod 13 and end plate 8, when climbing downwards, a tensile force is applied to the stop block 12 to ensure that the stop block 12 is separated from the stop groove 9, so that the protective sleeve 5 can slide downwards conveniently, one end of the sliding rod 13 is fixed on the surface of the stop block 12, the other end of the sliding rod 13 penetrates through the surface of the side tube 6, the end plate 8 is connected with the other end of the sliding rod 13, a mounting seat 15 is fixed on the surface of the side tube 6, a supporting rod 17 is rotatably connected to the mounting seat 15 through a rotating shaft, through the designed supporting rod 17, the supporting rod 17 can be supported between the end plate 8 and the side tube 6, the state of the stop block 12 under the tensile force is maintained, further, when climbing downwards, the stop block 12 does not need to be repeatedly pulled to adjust, the downwards climbing efficiency is improved, a supporting plate is fixed on the surface of one end of the supporting rod 17, a magnetic absorption plate 16 is fixed on the surface of the supporting plate, through the designed magnetic absorption plate 16, inhale magnetic sheet 16 and end plate 8 mutual adsorption and connect, avoid branch 17 to take place to drop, the longitudinal section of spliced pole 11 is type of calligraphy structure, and the cross section of guard bar 2 is the rectangle structure.
In the embodiment, preferably, a bottom plate 19 is fixed at the bottom end of the tower body 1, a threaded hole is formed in the surface of the bottom plate 19, a fine tuning stud 18 is connected inside the threaded hole through a thread, a rotating column 21 is connected at one end of the fine tuning stud 18, an adjusting plate 20 is connected at the bottom end of the rotating column 21, through the designed adjusting plate 20, the fine tuning stud 18 and the rotary column 21, one end of the fine tuning stud 18 is rotationally connected with the adjusting plate 20 through the rotary column 21, and then the fine tuning screw bolt 18 is rotated to be screwed with the bottom plate 19, so that the fine tuning of the installation height of the invention is realized, the traditional method of stacking and brick stacking is avoided for adjustment, the installation horizontal precision is ensured to be higher, the fine tuning screw bolt 18 is connected with a fine tuning screw cap 22 through a thread, and through the designed fine tuning screw cap 22, the fine tuning studs 18 are locked, a connecting flange plate is arranged at the top of the tower body 1, and a lightning rod is connected to the top of the connecting flange plate.
The working principle and the using process of the invention are as follows: the tower body 1 and the tower seat 4 are both provided with a signal enhancement emitter, low-frequency signals generated by the machine room are transmitted to the signal enhancement emitter, the low-frequency signals of the signal enhancement emitter are converted by the signal enhancement emitter to be converted into high-frequency signals, the high-frequency signals are transmitted to the signal emitting end, the signal emission is realized by the signal emitting end, when the tower body 1 and the tower seat 4 are overhauled and maintained, the tower body 1 and the tower seat 4 are climbed by the ladder stand 3, the side part of the ladder stand 3 is provided with the protective rod 2 for protection, the safety rope is clamped on the hanging ring 10 on the protective rod 2 to climb upwards, the protective sleeve 5 synchronously ascends under the traction of the safety rope, in the ascending process, the cambered surface of the stop block 12 and the inclined surface of the stop groove 9 are mutually extruded to generate acting force to push the stop block 12 to be separated from the stop groove 9, so that the protective sleeve 5 cannot be hindered to ascend, and after the stop block 12 is aligned with the corresponding stop groove 9, the extrusion spring 14 in a compressed state releases elasticity, the extrusion spring is quickly pushed into the stop groove 9, the bottom plane of the stop block 12 is in contact with the stop groove 9, stop protection is achieved, when the extrusion spring climbs downwards, the stop block 12 is driven to be separated from the stop groove 9 through pulling of the end plate 8, the protection sleeve 5 moves upwards and downwards on the protection rod 2, the supporting rod 17 is rotated, one end of the protection sleeve is supported between the end plate 8 and the side sleeve 6, the stop block 12 does not need to be pulled for multiple times, and the descending efficiency is improved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides an airport signal emission device, includes tower (4), the top of tower (4) is fixed with tower body (1), the inboard of tower body (1) and tower (4) is fixed with cat ladder (3), its characterized in that: the lateral part of cat ladder (3) is provided with protective rod (2), the both ends of protective rod (2) all are fixed with end frame (7), end frame (7) are fixed at cat ladder (3) lateral wall, the outer wall cover of protective rod (2) is equipped with protective sleeve section of thick bamboo (5), the lateral wall of protective sleeve section of thick bamboo (5) is inlayed and is had a side section of thick bamboo (6), the inside of a side section of thick bamboo (6) is provided with extrusion spring (14), the one end of extrusion spring (14) is provided with ends position piece (12), the lateral wall of protective rod (2) is linear array and has seted up and end position groove (9), it is inside corresponding end position groove (9) to arrange in to end position piece (12), the opposite side of protective sleeve section of thick bamboo (5) is inlayed and is had spliced pole (11), the one end of spliced pole (11) is fixed with link (10).
2. An airport signal transmission device according to claim 1, wherein: the inside of extrusion spring (14) is provided with slide bar (13), the surface at stopper (12) is fixed to the one end of slide bar (13), the other end of slide bar (13) runs through side section of thick bamboo (6) surface, and the other end of slide bar (13) is connected with end plate (8).
3. An airport signal transmission apparatus as defined in claim 2, wherein: the surface of the side barrel (6) is fixed with a mounting seat (15), and a supporting rod (17) is rotatably connected to the mounting seat (15) through a rotating shaft.
4. An airport signal transmission apparatus as defined in claim 3 wherein: a supporting plate is fixed on the surface of one end of the supporting rod (17), and a magnetic absorption plate (16) is fixed on the surface of the supporting plate.
5. An airport signal transmission device according to claim 1, wherein: the longitudinal section of the connecting column (11) is of a convex structure, and the cross section of the protective rod (2) is of a rectangular structure.
6. An airport signal transmission apparatus as defined in claim 1 wherein: the bottom mounting of tower body (1) has bottom plate (19), threaded hole is seted up on the surface of bottom plate (19), threaded hole inside has fine setting double-screw bolt (18) through threaded connection, the one end of fine setting double-screw bolt (18) is connected with rotary column (21), the bottom of rotary column (21) is connected with regulating plate (20), there is fine setting nut (22) through threaded connection on fine setting double-screw bolt (18).
7. An airport signal transmission device according to claim 1, wherein: the top of tower body (1) is provided with the connection flange dish, the top of connection flange dish is connected with the lightning rod.
8. Use of an airport signal transmission device according to any one of claims 1-7, wherein: the method comprises the following steps:
the method comprises the following steps: the tower body (1) and the tower base (4) are both provided with a signal enhancement emitter, low-frequency signals generated by the signal enhancement emitter are transmitted to the signal enhancement emitter through a machine room, the low-frequency signals of the signal enhancement emitter are converted into high-frequency signals, the high-frequency signals are transmitted to a signal emitting end, the signal emission is realized through the signal emitting end, when the tower body (1) and the tower base (4) are overhauled and maintained, the tower body (1) and the tower base (4) are climbed to the tower body (1) and the tower base (4) through the ladder stand (3), the side part of the ladder stand (3) is provided with a protective rod (2), a safety rope is clamped on a hanging ring (10) on the protective rod (2) to climb upwards, the protective sleeve (5) synchronously rises under the traction of the safety rope, and in the rising process, the cambered surface of the stop block (12) and the inclined surface of the stop groove (9) are mutually extruded to generate acting force, the stop block (12) is pushed to be separated from the stop groove (9) so as not to prevent the protective sleeve (5) from rising;
step two: after the stop block (12) is aligned with the corresponding stop groove (9), the compression-state extrusion spring (14) releases the elastic force to quickly push the compression-state extrusion spring into the stop groove (9), and the stop block (12) is in mutual contact with the stop groove (9) through the bottom plane of the stop block (12) to realize stop protection;
step three: when climbing downwards, the end plate (8) pulls the stop block (12) to be separated from the stop groove (9), so that the protective sleeve (5) moves downwards on the protective rod (2);
step four: one end of the rotating support rod (17) is supported between the end plate (8) and the side barrel (6), so that the stop block (12) does not need to be pulled for multiple times, and the reduction efficiency is improved.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210398926.5A CN114753703A (en) | 2022-04-15 | 2022-04-15 | Airport signal transmitting device and using method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210398926.5A CN114753703A (en) | 2022-04-15 | 2022-04-15 | Airport signal transmitting device and using method |
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| CN114753703A true CN114753703A (en) | 2022-07-15 |
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| CN202210398926.5A Pending CN114753703A (en) | 2022-04-15 | 2022-04-15 | Airport signal transmitting device and using method |
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Application publication date: 20220715 |