CN113753746B - Anti-drop formula aviation equipment production is with pipe fitting hoisting accessory with protection architecture - Google Patents
Anti-drop formula aviation equipment production is with pipe fitting hoisting accessory with protection architecture Download PDFInfo
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- CN113753746B CN113753746B CN202110925738.9A CN202110925738A CN113753746B CN 113753746 B CN113753746 B CN 113753746B CN 202110925738 A CN202110925738 A CN 202110925738A CN 113753746 B CN113753746 B CN 113753746B
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 21
- 210000001503 joint Anatomy 0.000 claims abstract description 27
- 230000005540 biological transmission Effects 0.000 claims description 17
- 230000002457 bidirectional effect Effects 0.000 claims description 9
- 230000000149 penetrating effect Effects 0.000 claims 3
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 238000003032 molecular docking Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C5/00—Base supporting structures with legs
- B66C5/02—Fixed or travelling bridges or gantries, i.e. elongated structures of inverted L or of inverted U shape or tripods
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/62—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means comprising article-engaging members of a shape complementary to that of the articles to be handled
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
- B66C13/06—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for minimising or preventing longitudinal or transverse swinging of loads
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C15/00—Safety gear
- B66C15/02—Safety gear for retaining load-engaging elements in the event of rope or cable breakage
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Load-Engaging Elements For Cranes (AREA)
- Emergency Lowering Means (AREA)
Abstract
The invention discloses a pipe fitting lifting device with a protection structure for production of anti-drop type aviation equipment, which comprises a base body, a driving assembly, a collision piece, a butt joint handle and a fixing piece, wherein the driving assembly is installed on an upper end bolt of the base body, a lifting rope is installed at an output end of the driving assembly in a nested mode, a supporting piece is fixedly connected to a lower end of the lifting rope, meanwhile, the supporting piece is connected with an outer end of the base body, a first pull rope is installed at an outer side of the base body in a nested mode, and the first pull rope is connected with the outer end of the supporting piece. This pipe fitting hoisting accessory is used in production of anti falling formula aviation equipment with protection architecture, it upwards lifts by crane the article along with lifting rope drives support piece, moves to the first stay cord of corresponding state and will roll along with it, and then drives terminal locating part and move in opposite directions to carry out self-adaptation nested contact to the inner of pipe fitting, and along with the continuous increase positioning stability of high promotion, guaranteed its security of lifting by crane.
Description
Technical Field
The invention relates to the technical field of aviation equipment production, in particular to a pipe lifting device with a protection structure for anti-drop type aviation equipment production.
Background
Along with the continuous development of the aviation industry in China, the production and processing technology of various aviation equipment is continuously improved, wherein a pipe fitting in the aviation equipment is one of more common processing workpieces, and the pipe fitting is movably supported and processed by being matched with a corresponding lifting device due to the large size, but the existing pipe fitting lifting device for aviation equipment production has certain defects, such as:
1. the steel structure light pipe lifting device disclosed by the publication No. CN209890071U can rotate the adjusting disk in the using process, the limiting assembly is driven by the threaded rod to limit the steel structure light pipe, and then the traveling wheel is utilized to enable the device to have a moving function, but the existing pipe lifting device for aviation equipment production does not have a better protection structure, when the phenomenon of lifting rope breakage occurs carelessly, the phenomenon of damage to users or equipment is very easy to occur, and a certain potential safety hazard exists;
2. the pipe fitting hoisting device for the production of the prior aviation equipment cannot be used for stably and conveniently carrying out quick positioning treatment on the pipe fitting to be hoisted, manual operation of a user is needed, the stability of the pipe fitting hoisting device in the air cannot be ensured, and certain use defects exist.
Aiming at the problems, innovative design is urgently needed on the basis of the original pipe lifting device structure.
Disclosure of Invention
The invention aims to provide a pipe fitting lifting device with a protection structure for producing anti-drop type aviation equipment, which solves the problems that the pipe fitting lifting device with the protection structure for producing anti-drop type aviation equipment has no good protection structure, is extremely easy to damage a user or equipment when the phenomenon of breakage of a lifting rope occurs carelessly, cannot stably and conveniently perform quick positioning treatment on the pipe fitting to be lifted, needs manual operation of the user, and cannot ensure the stability in the air.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a pipe fitting hoisting accessory is used in production of anti falling formula aviation equipment with protection architecture, includes base member, drive assembly, conflict piece, butt joint handle and mounting, drive assembly is installed to the upper end bolt of base member, and drive assembly's output nested install lifting rope to lifting rope's lower extreme fixedly connected with support piece, support piece is connected with the outer end of base member simultaneously, the outside nested install of base member has first stay cord, and first stay cord is connected with support piece's outer end, the guiding groove has been seted up to support piece's lower extreme inboard, and the inner nested locating part of guiding groove installs to the inner fixedly connected with reset spring of locating part, the lower extreme outside rotation of locating part is connected with the conflict piece, and the axle head fixedly connected with drive gear of conflict piece, and the lower extreme inboard of locating part has been seted up the holding groove, the lower extreme inboard through-mounting of base member has two-way lead screw, and the middle-end fixedly connected with of two-way lead screw, the lower extreme through mounting of base member has the butt joint handle lead screw, and the butt joint handle is connected with bevel gear, and the inner nested with the support piece is connected with the outer end of support piece, the inner end of two-way lead screw and the corresponding swing joint support piece has the swing joint with the bearing, the swing joint has the swing joint piece.
Preferably, the support member and the inner end of the base body form a sliding structure through the lifting rope, and the side end of the support member and the inner sides of the base body and the movable support are all nested.
Preferably, the limiting pieces are symmetrically distributed about the center point of the supporting piece, the limiting pieces and the outer end of the base body form a sliding structure through the first pull ropes, and the limiting pieces and the inner side of the supporting piece form a stretching structure through the reset springs.
Preferably, the abutting piece forms a rotating structure through the outer sides of the transmission gear and the limiting piece, and the outer sides of the transmission gear and the limiting piece form an elastic structure.
Preferably, the accommodating groove is provided with a movable rack and a second pull rope, the inner end of the accommodating groove is nested and provided with the movable rack, the inner end of the movable rack is fixedly connected with the second pull rope, meanwhile, the second pull rope is connected with the outer end of the supporting piece, and the movable rack is connected with the inner end of the transmission gear.
Preferably, the movable rack forms a telescopic structure with the supporting piece through the second stay cord, the movable rack forms a sliding structure with the inner side of the limiting piece through the accommodating groove, and the outer end of the movable rack is meshed with the transmission gear.
Preferably, the number of the movable support is 2 symmetrically distributed about the central point of the base body, the movable support and the outer end of the base body form a sliding structure through a bidirectional screw rod, and the inner side of the movable support and the side end of the support piece form a nested structure.
Preferably, the movable piece is provided with a butt joint gear, a torsion spring and a conveying chain, the shaft end of the movable piece is fixedly connected with the butt joint gear, the shaft end of the butt joint gear is fixedly connected with the torsion spring, the conveying chain is nested and installed on the outer side of the butt joint gear, and the conveying chain is connected with the inner side of the movable support.
Preferably, the movable part is in a V-shaped structure in side view, the movable part and the inner side of the movable support form an elastic structure through a torsion spring, the movable part and the butt-joint gear are of an integrated structure, meanwhile, the movable part and the butt-joint gear form a rotating structure through a conveying chain and the inner side of the movable support, and the rotating range of the movable part is 0-120 degrees.
Compared with the prior art, the invention has the beneficial effects that: the anti-drop pipe lifting device with the protection structure for aviation equipment production;
1. the movable limiting piece is arranged, the supporting piece is driven by the lifting rope to lift the object upwards, the first pull rope which moves to the corresponding state is wound up along with the supporting piece, and the limiting piece at the tail end is driven to move in opposite directions, so that the inner end of the pipe fitting is in self-adaptive nested contact, the positioning stability is continuously increased along with the lifting of the height, and the lifting safety of the pipe fitting is ensured;
2. the second pull ropes butted with the outer ends of the limiting pieces synchronously bear force so as to drive the movable racks to move inwards, and the abutting pieces are driven to synchronously move outwards in cooperation with the meshing state between the movable racks so as to abut against the inner ends of the lifting pipe fittings for secondary positioning, so that the butting stability of the lifting pipe fittings is further enhanced;
3. the device is provided with the equidistant V-shaped movable pieces, when the device is stressed too much and the lifting rope is broken carelessly, the side ends of the support pieces are contacted with the outer sides of the movable pieces in advance, so that the support pieces are stressed to rotate to a clamping state, the outer ends of the support pieces are rapidly subjected to locking and positioning, the falling phenomenon is avoided, and the use stability of the device is ensured.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention in a front cross-section;
FIG. 2 is a schematic diagram of a positive cross-sectional structure of a stop member of the present invention;
FIG. 3 is a schematic diagram of a front cross-sectional structure of the bi-directional screw of the present invention;
FIG. 4 is a schematic view of the front cross-sectional structure of the cradle of the present invention;
FIG. 5 is a schematic diagram of a cross-sectional side view of the cradle of the present invention;
FIG. 6 is an enlarged schematic view of the structure of FIG. 5A according to the present invention;
fig. 7 is a schematic diagram of a cross-sectional view of a gear of the present invention.
In the figure: 1. a base; 2. a drive assembly; 3. a hoisting rope; 4. a support; 5. a first pull rope; 6. a guide groove; 7. a limiting piece; 8. a return spring; 9. a contact member; 10. a transmission gear; 11. a receiving groove; 1101. a movable rack; 1102. a second pull rope; 12. a two-way screw rod; 13. bevel gears; 14. a butt joint handle; 15. a movable support; 16. a movable member; 1601. a docking gear; 1602. a torsion spring; 1603. a conveyor chain; 17. a guide wheel; 18. and a fixing piece.
Detailed Description
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. 1-7, the present invention provides a technical solution: the utility model provides a pipe fitting hoisting accessory for production of anti falling type aviation equipment with protection architecture, including base member 1, drive assembly 2, lifting rope 3, support piece 4, first stay cord 5, guide way 6, locating part 7, reset spring 8, conflict piece 9, drive gear 10, holding groove 11, movable rack 1101, second stay cord 1102, two-way lead screw 12, bevel gear 13, butt joint handle 14, movable support 15, movable piece 16, butt joint gear 1601, torsion spring 1602, conveying chain 1603, leading wheel 17 and mounting 18, drive assembly 2 is installed to the upper end bolt of base member 1, and lifting rope 3 is installed to the output nest of drive assembly 2, and lifting rope 3's lower extreme fixedly connected with support piece 4, support piece 4 is connected with the outer end of base member 1 simultaneously, first stay cord 5 is installed to the outside nest of base member 1, and first stay cord 5 is connected with the outer end of support piece 4, the inner side of the lower end of the supporting piece 4 is provided with a guide groove 6, the inner end of the guide groove 6 is nested with a limit piece 7, the inner end of the limit piece 7 is fixedly connected with a return spring 8, the outer side of the lower end of the limit piece 7 is rotationally connected with a collision piece 9, the shaft end of the collision piece 9 is fixedly connected with a transmission gear 10, the inner side of the lower end of the limit piece 7 is provided with a containing groove 11, the inner side of the lower end of the base body 1 is penetrated and provided with a bidirectional screw rod 12, the middle end of the bidirectional screw rod 12 is fixedly connected with a bevel gear 13, the lower end of the base body 1 is penetrated and provided with a butt joint handle 14, the butt joint handle 14 is connected with the bevel gear 13, the outer end of the bidirectional screw rod 12 is nested with a movable support 15, the movable support 15 is connected with the upper end of the base body 1, the inner end of the movable support 15 is in bearing connection with a movable piece 16, the outer end of the movable piece 16 is rotationally connected with a guide wheel 17, the inner end of the movable support 15 is fixedly connected with a fixed piece 18, and the fixed piece 18 corresponds to the movable piece 16 in position.
The supporting piece 4 forms a sliding structure with the inner end of the base body 1 through the lifting rope 3, and the side end of the supporting piece 4 forms a nested structure with the inner sides of the base body 1 and the movable support 15, so that the supporting piece 4 can be stably driven to synchronously move along the inner sides of the base body 1 and the movable support 15 in the process of stressing the lifting rope 3;
the limiting pieces 7 are symmetrically distributed about the center point of the supporting piece 4, the limiting pieces 7 and the outer end of the base body 1 form a sliding structure through the first pull ropes 5, and the limiting pieces 7 and the inner side of the supporting piece 4 form a stretching structure through the reset springs 8, so that the supporting piece 4 for position movement can stably drive the connected limiting pieces 7 to synchronously perform position adjustment work through the first pull ropes 5;
the abutting piece 9 forms a rotating structure with the outer side of the limiting piece 7 through the transmission gear 10, and the transmission gear 10 and the outer side of the limiting piece 7 form an elastic structure, so that the movable rack 1101 for position movement can stably drive the transmission gear 10 on the outer side to synchronously perform angle rotation work;
the accommodating groove 11 is provided with a movable rack 1101 and a second pull rope 1102, the movable rack 1101 is nested and installed at the inner end of the accommodating groove 11, the second pull rope 1102 is fixedly connected to the inner end of the movable rack 1101, meanwhile, the second pull rope 1102 is connected with the outer end of the supporting piece 4, the movable rack 1101 is connected with the inner end of the transmission gear 10, the movable rack 1101 forms a telescopic structure with the supporting piece 4 through the second pull rope 1102, the movable rack 1101 forms a sliding structure with the inner side of the limiting piece 7 through the accommodating groove 11, the outer end of the movable rack 1101 is meshed with the transmission gear 10, the limiting piece 7 which is stressed to move can be stably driven by the second pull rope 1102 to inwards move;
2 movable supports 15 are symmetrically distributed about the center point of the base body 1, the movable supports 15 and the outer end of the base body 1 form a sliding structure through a bidirectional screw rod 12, the inner sides of the movable supports 15 and the side ends of the supporting pieces 4 form a nested structure, and the butt joint state between 2 groups of movable supports 15 and the supporting pieces 4 can be stably adjusted through the bidirectional screw rod 12;
the movable piece 16 is provided with a butt joint gear 1601, a torsion spring 1602 and a conveying chain 1603, the shaft end of the movable piece 16 is fixedly connected with the butt joint gear 1601, the shaft end of the butt joint gear 1601 is fixedly connected with the torsion spring 1602, meanwhile, the conveying chain 1603 is nested and installed on the outer side of the butt joint gear 1601, the conveying chain 1603 is connected with the inner side of the movable support 15, the movable piece 16 is in a V-shaped structure in side view, the movable piece 16 and the inner side of the movable support 15 form an elastic structure through the torsion spring 1602, the movable piece 16 and the butt joint gear 1601 are in an integrated structure, meanwhile, the movable piece 16 and the butt joint gear 1601 form a rotating structure through the conveying chain 1603 and the inner side of the movable support 15, the rotating range of the movable piece 16 is 0-120 degrees, the stressed movable piece 16 can be in a self-adaptive clamping rotating state, and therefore the support 4 which suddenly drops is subjected to quick positioning work.
Working principle: when the pipe lifting device with the protection structure for the anti-drop type aviation equipment production is used, according to the figures 1-4, the device is firstly placed at a position where the pipe to be lifted is required to be operated, the pipe to be lifted is subjected to pre-nesting placement operation along the lower ends of 2 groups of limiting pieces 7, then the driving assembly 2 can be started to drive the supporting pieces 4 and the limiting pieces 7 to carry out position lifting through the lifting ropes 3, so that the object is driven to lift upwards, meanwhile, when the supporting pieces 4 continuously move upwards after moving to the corresponding height, the first pull ropes 5 moving to the corresponding state are wound along with the supporting pieces, and further the limiting pieces 7 at the tail ends are driven to stretch the reset springs 8 to move oppositely along the inner sides of the lower ends of the supporting pieces 4, so that the inner ends of the pipe are subjected to self-adaptive nesting contact, and the positioning stability is continuously increased along with the lifting of the height;
according to fig. 1, 2, 4 and 5, in the process that the limiting piece 7 is stressed to perform position movement along the lower end of the supporting piece 4, the second pull rope 1102 butted with the outer end of the limiting piece will perform rolling work therewith, so that the movable rack 1101 moves inwards along the inner side of the lower end of the limiting piece 7, and is matched with the meshing state between the movable rack 1101 and the transmission gear 10, the stable abutting piece 9 driving the outer end moves outwards synchronously, and the inner end of the lifting pipe fitting is abutted for secondary positioning;
according to fig. 1 and fig. 3-7, when the device is under overlarge stress and the lifting rope 3 is broken carelessly, the side end of the support piece 4 which is separated from the stress state moves downwards along the inner sides of the base body 1 and the movable support 15 in advance and contacts the outer sides of the 2 groups of movable pieces 16 at corresponding positions, so that the stressed rolling torsion spring 1602 rotates downwards to be in contact with the fixing piece 18 to enter a blocking state, the outer end of the support piece 4 is quickly locked and positioned, the falling phenomenon is avoided, the use stability of the device is ensured, and when the support piece 4 needs to be lowered under a normal state, only the butt joint handle 14 is needed to be held by hand along the lower end of the base body 1 to drive the 2 groups of bevel gears 13 to rotate, the bidirectional screw rod 12 is driven to rotate, and the movable support 15 which is in butt joint with the outer threads is enabled to be separated from the support state with the side end of the support piece 4, and the overall practicability is increased.
What is not described in detail in this specification is prior art known to those skilled in the art.
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 (7)
1. The utility model provides a pipe fitting hoisting accessory is used in production of anti falling formula aviation equipment with protection architecture, includes base member (1), drive assembly (2), conflict piece (9), butt joint handle (14) and mounting (18), its characterized in that: the upper end bolt of the base body (1) is provided with a driving assembly (2), the output end of the driving assembly (2) is nested to be provided with a lifting rope (3), the lower end of the lifting rope (3) is fixedly connected with a supporting piece (4), meanwhile, the supporting piece (4) is connected with the outer end of the base body (1), the outer side of the base body (1) is nested to be provided with a first stay cord (5), the first stay cord (5) is connected with the outer end of the supporting piece (4), the inner side of the lower end of the supporting piece (4) is provided with a guide groove (6), the inner end of the guide groove (6) is nested to be provided with a limiting piece (7), the inner end of the limiting piece (7) is fixedly connected with a reset spring (8), the outer side of the lower end of the limiting piece (7) is rotationally connected with a supporting piece (9), the shaft end of the supporting piece (9) is fixedly connected with a transmission gear (10), the inner side of the lower end of the limiting piece (7) is provided with a containing groove (11), the inner side of the lower end of the base body (1) is internally provided with a screw rod (12) in a penetrating manner, the inner side of the lower end of the base body (1) is provided with a screw rod (14) in penetrating manner, the inner side of the lower end of the base body (12) is fixedly connected with a handle (13), the handle (14) in penetrating manner, the handle (13) is connected with the handle (13), the outer end of the bidirectional screw rod (12) is nested and provided with a movable support (15), the movable support (15) is connected with the upper end of the base body (1), a movable part (16) is connected with an inner end bearing of the movable support (15), the outer end of the movable part (16) is rotationally connected with a guide wheel (17), the inner end of the movable support (15) is fixedly connected with a fixed part (18), and the fixed part (18) corresponds to the movable part (16);
the accommodating groove (11) is provided with a movable rack (1101) and a second pull rope (1102), the movable rack (1101) is nested and installed at the inner end of the accommodating groove (11), the second pull rope (1102) is fixedly connected to the inner end of the movable rack (1101), meanwhile, the second pull rope (1102) is connected with the outer end of the supporting piece (4), and the movable rack (1101) is connected with the inner end of the transmission gear (10);
the movable piece (16) is provided with a butt joint gear (1601), a torsion spring (1602) and a conveying chain (1603), the shaft end of the movable piece (16) is fixedly connected with the butt joint gear (1601), the shaft end of the butt joint gear (1601) is fixedly connected with the torsion spring (1602), meanwhile, the conveying chain (1603) is nested and installed on the outer side of the butt joint gear (1601), and the conveying chain (1603) is connected with the inner side of the movable support (15).
2. The anti-drop type pipe lifting device with a protection structure for aviation equipment production according to claim 1, wherein: the supporting piece (4) and the inner end of the base body (1) form a sliding structure through the lifting rope (3), and the edge end of the supporting piece (4) and the inner sides of the base body (1) and the movable support (15) form a nested structure.
3. The anti-drop type pipe lifting device with a protection structure for aviation equipment production according to claim 1, wherein: the limiting pieces (7) are symmetrically distributed about the center point of the supporting piece (4), the limiting pieces (7) and the outer end of the base body (1) form a sliding structure through the first pull ropes (5), and the limiting pieces (7) and the inner side of the supporting piece (4) form a stretching structure through the reset springs (8).
4. The anti-drop type pipe lifting device with a protection structure for aviation equipment production according to claim 1, wherein: the abutting piece (9) forms a rotating structure with the outer side of the limiting piece (7) through the transmission gear (10), and the transmission gear (10) forms an elastic structure with the outer side of the limiting piece (7).
5. The anti-drop type pipe lifting device with a protection structure for aviation equipment production according to claim 1, wherein: the movable rack (1101) and the supporting piece (4) form a telescopic structure through the second stay rope (1102), the movable rack (1101) and the inner side of the limiting piece (7) form a sliding structure through the accommodating groove (11), and the outer end of the movable rack (1101) is meshed with the transmission gear (10).
6. The anti-drop type pipe lifting device with a protection structure for aviation equipment production according to claim 1, wherein: the movable support (15) is symmetrically distributed with respect to the center point of the base body (1), the movable support (15) and the outer end of the base body (1) form a sliding structure through a bidirectional screw rod (12), and the inner side of the movable support (15) and the edge end of the supporting piece (4) form a nested structure.
7. The anti-drop type pipe lifting device with a protection structure for aviation equipment production according to claim 1, wherein: the movable piece (16) is of a V-shaped structure in side view, the movable piece (16) and the inner side of the movable support (15) form an elastic structure through a torsion spring (1602), the movable piece (16) and the butt-joint gear (1601) are of an integrated structure, meanwhile, the movable piece (16) and the butt-joint gear (1601) form a rotating structure through a conveying chain (1603) and the inner side of the movable support (15), and the rotating range of the movable piece (16) is 0-120 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110925738.9A CN113753746B (en) | 2021-08-12 | 2021-08-12 | Anti-drop formula aviation equipment production is with pipe fitting hoisting accessory with protection architecture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110925738.9A CN113753746B (en) | 2021-08-12 | 2021-08-12 | Anti-drop formula aviation equipment production is with pipe fitting hoisting accessory with protection architecture |
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| Publication Number | Publication Date |
|---|---|
| CN113753746A CN113753746A (en) | 2021-12-07 |
| CN113753746B true CN113753746B (en) | 2024-04-12 |
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| CN114014165B (en) * | 2022-01-05 | 2022-03-25 | 河南巨人起重机集团有限公司 | Unmanned automatic steel coil suspension carrying protective crane |
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| CN113753746A (en) | 2021-12-07 |
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