CN114243570B - Anti-seismic erection device for installation of building electromechanical cable - Google Patents
Anti-seismic erection device for installation of building electromechanical cable Download PDFInfo
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- CN114243570B CN114243570B CN202111441761.7A CN202111441761A CN114243570B CN 114243570 B CN114243570 B CN 114243570B CN 202111441761 A CN202111441761 A CN 202111441761A CN 114243570 B CN114243570 B CN 114243570B
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- 238000009434 installation Methods 0.000 title claims abstract description 15
- 230000000149 penetrating effect Effects 0.000 claims description 11
- 238000003780 insertion Methods 0.000 abstract description 3
- 230000037431 insertion Effects 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000035515 penetration Effects 0.000 abstract 1
- 238000001125 extrusion Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 241001391944 Commicarpus scandens Species 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 101100521345 Mus musculus Prop1 gene Proteins 0.000 description 1
- 108700017836 Prophet of Pit-1 Proteins 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/02—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
- H02G1/04—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables for mounting or stretching
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- Installation Of Indoor Wiring (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention relates to the technical field of cable laying, in particular to an anti-seismic erection device for building electromechanical cable installation, which comprises a cable support column, wherein a pair of support arms are rotatably arranged on the left side and the right side of the upper end of the cable support column, the outer wall of the lower end of the cable support column is provided with telescopic support rods which are in support connection with the lower end of the support arms, a plurality of groups of jacks which are in linear distribution and used for cable penetration and insertion are arranged on the support arms, clamping blocks for clamping cables are transversely and slidably arranged in the jacks, the end parts of the support arms extend into the inner cavities of the cable support column, gears are arranged at the end parts of the support arms, racks which are in meshed connection with the gears are arranged in the inner cavities of the cable support column, and the lower ends of the racks are adjusted in height through lifting columns, and the anti-seismic erection device has the beneficial effects that: the angle of the support arm is conveniently adjusted by the engagement of the gear and the rack, and the accurate angle adjustment of the angle of the support arm is realized by the driving lifting of the matched pull rope, so that the angle of the support arm is matched with the laying phase of the cable, and the cable is prevented from being pulled.
Description
Technical Field
The invention relates to the technical field of cable laying, in particular to an earthquake-resistant erection device for building electromechanical cable installation.
Background
At present, when a worker installs and erects cables to a building machine, the cables are erected in a high-altitude transmission mode generally, however, support arms on two sides of a general cable erection device lack good support structures, when weights fall onto the support arms on a building construction site, the support arms are easy to break, the cables are further caused to fall off, and potential safety hazards are caused to constructors below.
Traditional cable erection device is when erect the operation to the cable, and the support arm of both sides adopts fixed form to install generally for erect the cable above that can only erect at the same level with the cable support arm, when the staff is because the needs of operating mode, when will adjusting the angle of erection of cable, thereby can't realize corresponding regulation operation, the staff of being inconvenient for carries out construction operation.
The fixed knot of general cable erection device on to the cable constructs adopts fixed iron ring or adopts the screw nail to install usually for the staff is comparatively loaded down with trivial details in the process of dismantling and installing the cable, and can't be applicable to the cable of different diameter size specifications, has reduced the practicality of the device, is inconvenient for the staff's use, consequently need go on and optimize it.
Disclosure of Invention
The invention aims to provide an earthquake-resistant erection device for installing an electromechanical cable of a building, which aims to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the utility model provides a building electromechanical cable installs and erects device with antidetonation, includes the cable pillar, the upper end left and right sides of cable pillar respectively rotates installs a support arm, and the lower extreme outer wall of cable pillar is provided with the telescopic support pole that is connected with the support arm lower extreme support, be provided with the multiunit that the linear distribution is used for the cable to run through the jack of pegging graft on the support arm, transversely slidable installs the grip block of centre gripping cable in the jack, and the tip of support arm extends to in the inner chamber of cable pillar, and the tip of support arm is provided with the gear, be provided with the rack of being connected with gear engagement in the inner chamber of cable pillar, the lower extreme of rack passes through lifting column height-adjusting, is provided with a pair of stay cord of connecting telescopic support pole in the lower extreme inner chamber of cable pillar, and the lower extreme of stay cord is connected with the adjusting column, and the front end of cable pillar is provided with the lift groove that has the draw-in groove, be provided with the bayonet lock of grafting in the draw-in groove on the adjusting column.
Preferably, the upper end inner chamber of cable support post sets up to the lift inner chamber, and the front end outer wall of cable support post is provided with the control panel with lift post electric connection, the vertical installation of lift post is in the lift inner chamber, the upper end fixed connection and the rack of gear engagement of lift post.
Preferably, the position that is located jack one side on the support arm is provided with the indent that runs through from beginning to end, peg graft between indent and the jack has the slip crossbeam of horizontal slip, the one end of slip crossbeam is provided with the grip block that is located the jack, and the other end of slip crossbeam is provided with the limiting plate that is located the indent.
Preferably, a buffer backing plate is arranged on the inner wall of the jack opposite to the clamping block, a second spring is transversely sleeved on the sliding cross beam, and two ends of the second spring are pressed between the limiting plate and the inner wall of the pressing groove.
Preferably, an oblong open slot is arranged between the insertion hole and the pressing slot, the open slot is communicated with the sliding cross beam, and a push handle extending to the outer side of the open slot is arranged on the sliding cross beam.
Preferably, the support arm and the cable prop are both provided with a hinged support, the telescopic support rod comprises a first support rod and a second support rod, the end parts of the first support rod and the second support rod are both provided with a sleeve, the first support rod and the second support rod are rotatably installed on the hinged support through the sleeve, and one ends of the first support rod and the second support rod, which are opposite, are mutually in sliding connection.
Preferably, the end part of the second support rod is provided with a slot, the front inner wall and the rear inner wall of the slot are provided with penetrating long slots penetrating through each other, the first support rod is inserted in the slot in a sliding mode, the end part of the first support rod is provided with an extension rod which is installed in the penetrating long slots in a sliding mode, and the extension rod is fastened on the outer wall of the second support rod through a nut.
Preferably, the outer wall of the cable support is provided with a fixed pipe fastened and installed by a screw, a pull rod is inserted in the fixed pipe in a sliding manner, one end of the pull rod extends to the outer side of the fixed pipe and is connected with the second support rod through a pull rope, the other side of the pull rod is transversely pressed on the outer wall of the cable support through a spring, one end of the pull rod, which is positioned in the fixed pipe, is connected with the adjusting column through the pull rope, and the pull rope vertically and downwards extends into the lifting groove through a steering wheel.
Preferably, the tip fixed connection adjusting column of stay cord, the lower extreme of adjusting column is provided with the support, bayonet lock transversely slides and pegs graft on the support, and the both ends of bayonet lock all are provided with the baffle, and the outer wall of bayonet lock is provided with the first spring of transversely cup jointing, first spring cup joints on the outer wall of the bayonet lock that is close to draw-in groove one side, and first spring pressfitting is between support and baffle.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the angle of the supporting arm is conveniently and fast adjusted by arranging the meshing of the gear and the rack, and the angle of the supporting arm is accurately adjusted by being matched with the driving lifting of the pull rope, so that the angle of the supporting arm is matched with the laying of a cable, and the cable is prevented from being pulled;
according to the invention, the telescopic spliced supporting rod is arranged, so that the length of the supporting rod is adapted to the angle adjustment of the supporting arm, the supporting of the supporting arm is further improved, and the supporting arm is prevented from being broken due to site collision.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a schematic perspective view of the present invention;
FIG. 4 is an enlarged view of the structure at B in FIG. 1;
FIG. 5 is an enlarged view of the structure of FIG. 1 at A;
fig. 6 is a schematic perspective view of a second strut according to the present invention.
In the figure: 1. a cable support; 2. a support arm; 3. a cable; 4. a fixed tube; 5. a first strut; 6. a hinged support; 7. an extension rod; 8. a pull rope; 9. a control panel; 10. a bayonet lock; 11. a lifting groove; 12. a clamping groove; 13. a pull rod; 14. lifting an inner cavity; 15. a rack; 16. a gear; 17. lifting columns; 18. a second strut; 19. a steering wheel; 20. an adjusting column; 21. a jack; 22. pressing a groove; 23. an open slot; 24. a sleeve; 25. a slot; 26. penetrating through the long groove; 27. a first spring; 28. a baffle; 29. a bracket; 30. a push handle; 31. a clamping block; 32. a sliding cross beam; 33. a second spring; 34. a limiting plate; 35. and a buffer backing plate.
Description of the embodiments
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 to 6, the present invention provides a technical solution:
the utility model provides a building electromechanical cable installs and uses antidetonation erects device, including cable pillar 1, cable pillar 1's upper end left and right sides respectively rotates installs a support arm 2, the tip of support arm 2 extends to in cable pillar 1's the inner chamber, and support arm 2's tip is provided with gear 16, be provided with the rack 15 of being connected with gear 16 meshing in cable pillar 1's the inner chamber, the lower extreme of rack 15 passes through lift post 17 height-adjusting, cable pillar 1's upper end inner chamber sets up to lift inner chamber 14, cable pillar 1's front end outer wall is provided with the control panel 9 with lift post 17 electric connection, lift post 17 is vertical installs in lift inner chamber 14, lift post 17's upper end fixed connection and gear 16 meshing rack 15, through control panel 9 control lift post 17's flexible height, and then reach the length of adjusting rack 15 meshing on gear 16, reach the coarse adjustment to support arm 2 side direction rotation angle, after the adjustment, support arm 2 can rotate relatively in the clearance between adjacent teeth.
The outer wall of the lower end of the cable supporting column 1 is provided with a telescopic supporting rod which is in supporting connection with the lower end of the supporting arm 2, the supporting arm 2 and the cable supporting column 1 are respectively provided with a hinged support 6, the telescopic supporting rod comprises a first supporting rod 5 and a second supporting rod 18, the end parts of the first supporting rod 5 and the second supporting rod 18 are respectively provided with a sleeve 24, the first supporting rod 5 and the second supporting rod 18 are rotatably arranged on the hinged support 6 through the sleeves 24, the opposite ends of the first supporting rod 5 and the second supporting rod 18 are mutually in sliding connection, and the rotary installation of the first supporting rod 5 and the second supporting rod 18 is realized through the cooperation of the hinged support 6 and the sleeves 24.
The tip of second branch 18 is provided with slot 25, and the front and back inner wall of slot 25 sets up to run through elongated slot 26 that runs through each other, and first branch 5 slip grafting is in slot 25, and the tip of first branch 5 is provided with slidable mounting at extension rod 7 that runs through elongated slot 26, and extension rod 7 passes through the nut fastening on the outer wall of second branch 18, through the slip grafting of first branch 5 in slot 25, and then makes under the drive of gear 16, realizes the adaptation of bracing piece length, realizes the fastening of length through extension rod 7 after the coarse adjustment is accomplished.
The outer wall of the cable support 1 is provided with a fixed pipe 4 which is fastened and installed by a screw, a pull rod 13 is inserted in the fixed pipe 4 in a sliding manner, one end of the pull rod 13 extends to the outer side of the fixed pipe 4 and is connected with a second support rod 18 through a pull rope 8, the other side of the pull rod 13 is transversely pressed on the outer wall of the cable support 1 through a spring, one end of the pull rod 13, which is positioned in the fixed pipe 4, is connected with an adjusting column 20 through the pull rope 8, the pull rope 8 vertically extends downwards into a lifting groove 11 through a steering wheel 19, a pair of pull ropes 8 connected with telescopic support rods are arranged in an inner cavity at the lower end of the cable support 1, the lower end of the pull rope 8 is connected with an adjusting column 20, and the second support rod 18 is connected with the adjusting column 20 through the cooperation of the pull ropes 8 and the pull rod 13, so that the second support rod 18 is pulled through the height adjustment of the adjusting column 20.
The front end of the cable prop 1 is provided with a lifting groove 11 with a clamping groove 12, the adjusting column 20 is provided with a clamping pin 10 inserted in the clamping groove 12, the end part of the pull rope 8 is fixedly connected with the adjusting column 20, the lower end of the adjusting column 20 is provided with a support 29, the clamping pin 10 is inserted on the support 29 in a sliding manner, both ends of the clamping pin 10 are provided with baffle plates 28, the outer wall of the clamping pin 10 is provided with a first spring 27 which is sleeved on the outer wall of the clamping pin 10 close to one side of the clamping groove 12, the first spring 27 is pressed between the support 29 and the baffle plates 28, the transverse traction of a fixed-length supporting rod is realized through the adjustment of the height of the adjusting column 20 in the lifting groove 11, the pull rod 13 is enabled to extrude the spring in the fixed tube 4, the fixed-length supporting rod is driven to transversely rotate, the small-angle accurate adjustment of the supporting arm 2 is realized, and after the adjustment is completed, the height of the adjusting column 20 is fixed through the insertion of the clamping pin 10 and the clamping groove 12.
The support arm 2 is provided with a plurality of groups of jacks 21 which are linearly distributed and used for penetrating and inserting the cable 3, the jacks 21 are internally provided with clamping blocks 31 which are transversely slidably arranged for clamping the cable 3, the position, which is positioned on one side of the jacks 21, of the support arm 2 is provided with pressing grooves 22 which are longitudinally penetrated, a transverse sliding cross beam 32 is inserted between the pressing grooves 22 and the jacks 21, one end of the sliding cross beam 32 is provided with the clamping blocks 31 which are positioned in the jacks 21, the other end of the sliding cross beam 32 is provided with limiting plates 34 which are positioned in the pressing grooves 22, penetrating and inserting of the cable 3 are realized by utilizing the jacks 21, and the clamping blocks 31 are driven to press the cable 3 through the sliding cross beam 32, so that the purpose of fastening the cable 3 is achieved.
The inner wall of the jack 21 opposite to the clamping block 31 is provided with a buffer backing plate 35, the sliding cross beam 32 is transversely sleeved with a second spring 33, two ends of the second spring 33 are pressed between the limiting plate 34 and the inner wall of the pressing groove 22, an oblong open groove 23 is arranged between the jack 21 and the pressing groove 22, the open groove 23 is communicated with the sliding cross beam 32, the sliding cross beam 32 is provided with a push handle 30 extending to the outer side of the open groove 23, the push handle 30 transversely slides in the open groove 23 to realize the extrusion of the second spring 33, so that the cable 3 smoothly penetrates through the jack 21, then the push handle 30 is loosened, and the cable 3 is tightly clamped between the clamping block 31 and the buffer backing plate 35 under the reset elasticity of the second spring 33.
Working principle: firstly, the telescopic height of the lifting column 17 is controlled through the control panel 9, so that the meshing length of the rack 15 on the gear 16 is adjusted, the lateral rotation angle of the support arm 2 is roughly adjusted, after adjustment, the support arm 2 can relatively rotate in a gap between adjacent teeth, the first support rod 5 and the second support rod 18 are rotatably installed through the cooperation of the hinged support 6 and the sleeve 24, the first support rod 5 is slidably inserted in the slot 25, the length of the support rod is further adapted under the driving of the gear 16, and the length is fastened through the extension rod 7 after the rough adjustment is completed.
Through the cooperation of stay cord 8 and pull rod 13, realize that second branch 18 and adjusting column 20 are connected, and then reach the traction to second branch 18 through the altitude mixture control to adjusting column 20, realize transversely pulling the fixed length bracing piece through adjusting column 20 in the adjustment of lift groove 11 altitude mixture control for the spring in the fixed pipe 4 of pull rod 13 extrusion, and then drive the bracing piece transverse rotation of fixed length, realize carrying out the accurate regulation of low angle to support arm 2, after the regulation is accomplished, through bayonet lock 10 and draw-in groove 12's grafting, realize the altitude mixture control to adjusting column 20.
The through plug of the cable 3 is realized by utilizing the jack 21, the clamping block 31 is driven to press the cable 3 through the sliding cross beam 32, the purpose of fastening the cable 3 is achieved, the extrusion of the second spring 33 is realized by utilizing the transverse sliding of the push handle 30 in the opening groove 23, the cable 3 smoothly penetrates through the jack 21, then the push handle 30 is loosened, and the cable 3 is tightly clamped between the clamping block 31 and the buffer pad plate 35 under the reset elastic force of the second spring 33.
The lifting column 17 is an electric telescopic device which is common in the art and will not be described in detail.
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 (9)
1. The utility model provides a building electromechanical cable installs with antidetonation erectting device, includes cable support post (1), its characterized in that: the cable support is characterized in that a supporting arm (2) is rotatably installed on each of the left side and the right side of the upper end of the cable support (1), a telescopic supporting rod connected with the lower end of the supporting arm (2) is arranged on the outer wall of the lower end of the cable support (1), a plurality of groups of jacks (21) used for penetrating and inserting cables (3) are linearly distributed on the supporting arm (2), clamping blocks (31) used for clamping the cables (3) are transversely slidably installed in the jacks (21), the end portions of the supporting arm (2) extend into the inner cavity of the cable support (1), a gear (16) is arranged at the end portion of the supporting arm (2), racks (15) meshed with the gear (16) are arranged in the inner cavity of the cable support (1), the lower ends of the racks (15) are adjusted in height through lifting columns (17), a pair of pull ropes (8) connected with the telescopic supporting rods are arranged in the inner cavity of the lower end of the cable support (1), lifting grooves (11) with clamping grooves (12) are formed in the front ends of the cable support (1), and the lifting grooves (20) are formed in the inner cavities of the cable support (1), and the clamping grooves (10) are formed in the clamping grooves (10).
2. An earthquake-resistant mounting device for building electromechanical cable installation according to claim 1, wherein: the cable support is characterized in that an inner cavity at the upper end of the cable support (1) is provided with a lifting inner cavity (14), the outer wall of the front end of the cable support (1) is provided with a control panel (9) electrically connected with a lifting column (17), the lifting column (17) is vertically arranged in the lifting inner cavity (14), and the upper end of the lifting column (17) is fixedly connected with a rack (15) meshed with a gear (16).
3. An earthquake-resistant mounting device for building electromechanical cable installation according to claim 1, wherein: the support arm (2) is provided with a pressing groove (22) penetrating through the support arm from front to back at a position on one side of the jack (21), a sliding cross beam (32) sliding transversely is inserted between the pressing groove (22) and the jack (21), a clamping block (31) positioned in the jack (21) is arranged at one end of the sliding cross beam (32), and a limiting plate (34) positioned in the pressing groove (22) is arranged at the other end of the sliding cross beam (32).
4. A seismic erection apparatus for building electromechanical cable installation according to claim 3, wherein: the utility model discloses a movable type hydraulic jack, including jack (21) and grip block (31), be provided with buffer backing plate (35) on the inner wall that jack (21) and grip block (31) are relative, transversely cup jointed second spring (33) on sliding cross beam (32), the both ends pressfitting of second spring (33) is between limiting plate (34) and the inner wall of indent (22).
5. A seismic erection apparatus for building electromechanical cable installation according to claim 3, wherein: an oblong open slot (23) is arranged between the jack (21) and the pressure slot (22), the open slot (23) is communicated with a sliding cross beam (32), and a push handle (30) extending to the outer side of the open slot (23) is arranged on the sliding cross beam (32).
6. An earthquake-resistant mounting device for building electromechanical cable installation according to claim 1, wherein: the telescopic support comprises a support arm (2) and a cable prop (1), wherein the support arm and the cable prop (1) are respectively provided with a hinged support (6), the telescopic support rod comprises a first support rod (5) and a second support rod (18), sleeve pipes (24) are respectively arranged at the end parts of the first support rod (5) and the second support rod (18), the first support rod (5) and the second support rod (18) are rotatably arranged on the hinged supports (6) through the sleeve pipes (24), and one ends, opposite to the first support rod (5) and the second support rod (18), are connected in a sliding mode.
7. The earthquake-resistant mounting device for building electromechanical cable installation according to claim 6, wherein: the end of the second support rod (18) is provided with a slot (25), the front inner wall and the rear inner wall of the slot (25) are provided with penetrating long slots (26) penetrating through each other, the first support rod (5) is inserted into the slot (25) in a sliding mode, the end of the first support rod (5) is provided with an extension rod (7) which is installed on the penetrating long slots (26) in a sliding mode, and the extension rod (7) is fastened on the outer wall of the second support rod (18) through nuts.
8. An earthquake-resistant mounting device for building electromechanical cable installation according to claim 1, wherein: the outer wall of cable prop (1) is provided with fixed pipe (4) of screw fastening installation, it has pull rod (13) to slide the grafting in fixed pipe (4), the one end of pull rod (13) extends to the outside of fixed pipe (4) and connects second branch (18) through stay cord (8), and the opposite side of pull rod (13) passes through the lateral pressfitting of spring at the outer wall of cable prop (1), and one end that pull rod (13) are arranged in fixed pipe (4) passes through stay cord (8) and connects adjusting column (20), stay cord (8) are through vertical downwardly extending of steering wheel (19) to in lift groove (11).
9. The earthquake-resistant mounting device for building electromechanical cable installation according to claim 8, wherein: the end fixed connection adjusting column (20) of stay cord (8), the lower extreme of adjusting column (20) is provided with support (29), bayonet lock (10) transversely slide and peg graft on support (29), and both ends of bayonet lock (10) all are provided with baffle (28), and the outer wall of bayonet lock (10) is provided with horizontal first spring (27) of cup jointing, first spring (27) cup joints on the outer wall of bayonet lock (10) near draw-in groove (12) one side, and first spring (27) pressfitting is between support (29) and baffle (28).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111441761.7A CN114243570B (en) | 2021-11-30 | 2021-11-30 | Anti-seismic erection device for installation of building electromechanical cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111441761.7A CN114243570B (en) | 2021-11-30 | 2021-11-30 | Anti-seismic erection device for installation of building electromechanical cable |
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| Publication Number | Publication Date |
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| CN114243570A CN114243570A (en) | 2022-03-25 |
| CN114243570B true CN114243570B (en) | 2024-03-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111441761.7A Active CN114243570B (en) | 2021-11-30 | 2021-11-30 | Anti-seismic erection device for installation of building electromechanical cable |
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| CN (1) | CN114243570B (en) |
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|---|
| 仪器车车载天线升降架的研制;李迎华;宫兆媛;;物探装备;第21卷(第06期);第413-416页 * |
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| CN114243570A (en) | 2022-03-25 |
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