CN112963415B - Rotary self-locking connecting device - Google Patents
Rotary self-locking connecting device Download PDFInfo
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- CN112963415B CN112963415B CN202110271155.9A CN202110271155A CN112963415B CN 112963415 B CN112963415 B CN 112963415B CN 202110271155 A CN202110271155 A CN 202110271155A CN 112963415 B CN112963415 B CN 112963415B
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- 238000003466 welding Methods 0.000 claims description 2
- 210000001503 joint Anatomy 0.000 claims 2
- 230000006978 adaptation Effects 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 7
- 238000010276 construction Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 5
- 230000001737 promoting effect Effects 0.000 abstract description 2
- 238000002788 crimping Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 2
- 230000002337 anti-port Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B7/00—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
- E04G21/16—Tools or apparatus
- E04G21/162—Handles to carry construction blocks
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B7/00—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections
- F16B7/06—Turnbuckles
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The utility model relates to a rotatory auto-lock connecting device belongs to construction technical field, and it includes connection pad and coupler body, and the connection pad includes two rim plates and a plurality of connecting rod, and the connecting rod is fixed between two rim plates, and a plurality of draw-in grooves have been seted up to the circumference lateral wall of rim plate, and the coupler body includes with connecting rod joint complex couple, with draw-in groove joint complex positioner and be used for promoting the auto-lock subassembly of positioner card income draw-in groove. This application has the effect that improves support body structure installation work efficiency.
Description
Technical Field
The application relates to the field of building construction, in particular to a rotary self-locking connecting device.
Background
The construction frame structure is a temporary structural frame for loading, stacking and construction work, which is set up for construction, and is also an important auxiliary facility for construction work. Basically, the width of the frame body structure meets the requirements of operation, material stacking and transportation of workers, and the frame body structure is firm, stable, convenient to assemble and disassemble and capable of being used repeatedly.
When current construction support body, often need assemble the support body of building through modes such as bolt or binding between the connecting pipe, its mounting means is various to can reach the basic demand of support body structure.
In view of the above related technologies, the inventor believes that the prior art has the defects of complicated installation mode, heavy weight, labor and time consumption and slow work efficiency.
Disclosure of Invention
In order to reach the effect that improves support body structure installation work efficiency, this application provides a rotatory auto-lock connecting device.
The application provides a rotatory auto-lock connecting device adopts following technical scheme:
the utility model provides a rotatory auto-lock connecting device, includes connection pad and coupler body, and the connection pad includes two rim plates and a plurality of connecting rod, and the connecting rod is fixed between two rim plates, and a plurality of draw-in grooves have been seted up to the circumference lateral wall of rim plate, and the coupler body includes with connecting rod joint complex couple, with draw-in groove joint complex positioner and be used for promoting the auto-lock subassembly that positioner card goes into in the draw-in groove.
Through adopting above-mentioned technical scheme, be located the contained angle position of the support body that needs were built with the connection pad, the one end and the connecting pipe fixed connection of couple are kept away from to the coupler body, then with the couple and the cooperation of connecting rod joint of coupler body, the rethread auto-lock subassembly removes positioner to the joint in the draw-in groove fixed, thereby make between the coupler body and the connection pad fixed and keep good stability, when needs are dismantled the support body, only need let the auto-lock subassembly keep away from positioner, and make positioner break away from in the draw-in groove, then take out the couple from the position of connecting rod, then can accomplish the dismantlement to the support body, thereby through above structure, the effect that improves support body structure installation work efficiency has been reached.
Optionally, one side fixedly connected with first dead lever of couple, first dead lever run through positioner and auto-lock subassembly, and the auto-lock subassembly is including rotating cover and fixed cover, fixed cover and first dead lever fixed connection, and the terminal surface that fixed cover is close to the one end of couple is helical structure, rotates the cover and rotates with first dead lever to be connected, and the lateral wall that rotates the cover has set firmly the butt piece, butt piece and the helicoid one side butt of fixed cover.
Through adopting above-mentioned technical scheme, when the staff is carrying out the joint with coupler body and connection pad and is fixed, earlier be connected couple and connecting rod, then rotate the butt piece along the helicoid of fixed cover, make the butt piece drive rotate the cover and be close to positioner with first dead lever pivoted while, rotate the cover and drive the positioner joint in the draw-in groove to it is fixed to make to connect between coupler body and the connection pad, and then has improved the work efficiency of staff to the support body installation.
Optionally, the fixed sleeve is provided with a yielding groove matched with the abutting block in a sliding manner along the axial direction of the fixed sleeve, and the yielding groove is located at the lowest position of the spiral structure.
Through adopting above-mentioned technical scheme, when needs are dismantled between coupler body and the connection pad, staff antiport piece makes the butt piece rotate to the lower of fixed block helicoid, then with the butt piece to letting the inslot slip in, makes to rotate the cover and keep away from positioner, shifts out positioner from the draw-in groove again, can dismantle coupler body and connection pad to improve the work efficiency that the staff dismantled the support body.
Optionally, a second fixing rod is fixedly arranged at one end of the first fixing rod, which is far away from the hook, a connecting sleeve is sleeved on the second fixing rod, and the connecting sleeve is fixedly connected with the second fixing rod.
By adopting the technical scheme, the connecting pipe far away from the hook is fixedly connected with the connecting sleeve, and the connecting sleeve is fixedly connected with the second fixed rod, so that a frame body structure is built between the connecting pipe and the connecting pipe, and the frame body structure has good stability.
Optionally, the cross-section of the first fixing rod is circular, the cross-section of the second fixing rod is square, a through groove matched with the second fixing rod is formed in the connecting sleeve, and the connecting sleeve is fixedly connected with the fixing sleeve.
Through adopting above-mentioned technical scheme, because of the cross-section of first fixed rod is circular, so conveniently rotate the cover and rotate on first fixed rod, because of the cross-section of second fixed rod is square, establish the difficult emergence rotation on the second fixed rod with the adapter sleeve, improved the stability between adapter sleeve and the second fixed rod.
Optionally, the circumferential side wall of the connecting sleeve is provided with a pressure-welding groove.
Through adopting above-mentioned technical scheme, establish the connecting pipe cover outside the adapter sleeve, impress the pipe wall of connecting pipe in the crimping inslot through the press-connection machine, make and connect fixedly between adapter sleeve and the connecting pipe, need not to weld to it provides convenience to the connection between adapter sleeve and the connecting pipe for the staff.
Optionally, the through groove penetrates through the connecting sleeve, one side of the connecting sleeve, which is close to the fixing sleeve, is abutted against the end of the first fixing rod, the second fixing rod penetrates through the connecting sleeve from the through groove, and a nut is connected to the second fixing rod through a thread on one side of the connecting sleeve, which deviates from the fixing sleeve.
Through adopting above-mentioned technical scheme, pass the back with the second dead lever from the inside of adapter sleeve and screw up the nut, make the adapter sleeve compress tightly between first dead lever and nut, make the adapter sleeve difficult and take place to break away from between the second dead lever to the stability of adapter sleeve has further been improved.
Optionally, the abutting block is provided with a jack, and a jack rod is inserted in the jack.
Through adopting above-mentioned technical scheme, when the staff need rotate the rotation cover, insert the spliced pole in the spliced eye, then rotate the spliced pole again and can rotate the rotation cover to the work of rotating the cover for the staff provides convenience.
Optionally, the number of the spiral degrees of the spiral surface of the fixing sleeve is between 30 and 40 degrees.
Through adopting above-mentioned technical scheme, set up the helix number of degrees between 30 degrees to 40 degrees, when rotating the cover, make the butt piece can steadily rotate along the helicoid to rotating to suitable position butt piece can be in the interference state with fixed cover, make and rotate to be difficult for regenerating again between cover and the fixed cover and rotate.
Optionally, the rotating sleeve is rotatably connected with the fixed sleeve, the outer wall of the rotating sleeve is abutted against the inner wall of the fixed sleeve, the rotating sleeve is fixedly connected with a triggering sleeve on one side deviating from the fixed sleeve, and the triggering sleeve deviates from one side of the rotating sleeve and is abutted against the positioning device.
Through adopting above-mentioned technical scheme, stability when having improved to rotate between rotating sleeve and the fixed cover rotates, rotates the cover pivoted in-process and is driving the trigger sleeve and rotate and move towards positioner to the stability when having improved the device and having rotated and remove.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the hook body is connected with the connecting disc, and the positioning device is clamped into the clamping groove through the self-locking assembly, so that the hook body and the connecting disc are fixed, and the effect of improving the mounting working efficiency of the frame body structure is achieved;
2. the abutting block slides along the length direction of the receding groove, so that the rotating sleeve is far away from the positioning device, and the positioning device is moved out of the clamping groove, thereby improving the working efficiency of the disassembly of the frame body structure.
Drawings
FIG. 1 is a schematic structural view of a rotary self-locking connection device according to the present application;
FIG. 2 is a schematic structural view of a connecting disc and a hook structure embodying the present embodiment;
fig. 3 is an exploded view of a hook structure embodying the present example.
Description of reference numerals: 1. a connecting disc; 11. a wheel disc; 111. a card slot; 12. a connecting rod; 2. a hook 3 and a positioning device; 4. a self-locking assembly; 41. rotating the sleeve; 411. a butting block; 4111. inserting holes; 4112. a plug rod; 42. fixing a sleeve; 421. a receding groove; 5. a first fixing lever; 6. a second fixing bar; 61. a threaded rod; 62. a nut; 7. connecting sleeves; 71. a through groove; 72. a crimping groove; 8. a trigger sleeve; 9. and (4) connecting the pipes.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
The embodiment of the application discloses a rotary self-locking connecting device.
Referring to fig. 1 and 2, a rotary self-locking connecting device comprises a connecting disc 1 and a hook body matched with the connecting disc 1 in a clamping mode, wherein the connecting disc 1 and the hook body are arranged at the included angle position of a frame body to be built, a connecting pipe 9 is fixedly arranged between the connecting discs 1 at the same horizontal height, and the connecting pipe 9 is also fixedly arranged between the hook bodies at the same horizontal height. Through cooperating the coupler body with 1 joint of connection pad, make mutual overlap joint between the connecting pipe 9 constitute the support body to improve support body structure installation work efficiency through this mode.
Referring to fig. 2 and 3, each connecting disc 1 comprises two wheel discs 11 and a plurality of connecting rods 12, the two wheel discs 11 are parallel to each other, the connecting rods 12 are fixedly arranged between the two wheel discs 11 in a surrounding mode, and a plurality of clamping grooves 111 are formed in the circumferential side wall of each wheel disc 11. The hook body comprises a hook 2 in clamping fit with the connecting rod 12, a positioning device 3 in clamping fit with the clamping groove 111, and a self-locking assembly 4 for pushing the positioning device 3 to be clamped into the clamping groove 111. In this embodiment, the positioning device 3 is an elastic card and has an arc-shaped structure, and the arc-shaped surface of the positioning device 3 faces one side of the hook 2.
Referring to fig. 2 and 3, the self-locking assembly 4 includes a rotating sleeve 41 and a fixing sleeve 42, the hook 2 is fixedly provided with a first fixing rod 5 at a side away from the connecting rod 12, the first fixing rod 5 penetrates through the rotating sleeve 41 and the fixing sleeve 42, the first fixing rod 5 is rotatably connected with the rotating sleeve 41, the first fixing rod 5 is fixedly connected with the fixing sleeve 42, the rotating sleeve 41 is located between the positioning device 3 and the fixing sleeve 42, a circumferential outer wall of the rotating sleeve 41 is abutted against and rotatably connected with a circumferential inner wall of the fixing sleeve 42, an end surface of the fixing sleeve 42 near one end of the rotating sleeve 41 is of a spiral structure, a spiral degree of a spiral surface of the fixing sleeve 42 is 30-40 degrees, in this embodiment, the spiral degree is preferably set to 35 degrees, a circumferential outer wall of the rotating sleeve 41 is fixedly provided with an abutting block 411, the abutting block 411 is abutted against a spiral surface of the fixing sleeve 42, the rotating sleeve 41 is fixedly provided with a triggering sleeve 8 at an end away from the fixing sleeve 42, the side of the actuating sleeve 8 facing away from the rotating sleeve 41 abuts against the positioning device 3.
When the staff is connecting fixedly coupler body and connection pad 1, couple 2 and connecting rod 12 joint earlier, then rotate butt piece 411 along the spiral direction of fixed cover 42 helicoid, make butt piece 411 drive to rotate cover 41 and rotate and make to rotate cover 41 and be close to positioner 3 at the pivoted in-process, it drives to trigger cover 8 and rotates and be close to positioner 3 to rotate cover 41, it is located draw-in groove 111 and takes place deformation and connection pad 1 joint to make positioner 3, form self-locking structure for interference fit between butt piece 411 and the fixed cover 42 simultaneously, thereby it is fixed to have realized the connection between coupler body and the connection pad 1.
Referring to fig. 2 and 3, the circumferential side wall of the fixing sleeve 42 is provided with an escape groove 421 at one end of the spiral along the axial direction thereof, the abutting block 411 is located in the escape groove 421 and slidably connected with the fixing sleeve 42 along the axial direction of the fixing sleeve 42, and the escape groove 421 is located at the lowest position of the thread position of the fixing sleeve 42. The abutting block 411 is provided with a plugging hole 4111, and a plugging rod 4112 is inserted in the plugging hole 4111. When the hook body and the connecting disc 1 are fixedly connected, a worker can insert the plug rod 4112 into the plug hole 4111, then rotate the abutting block 411, enable the abutting block 411 and the fixing sleeve 42 to form interference fit in a mode of knocking the plug rod 4112, and pull out the plug rod 4112 from the plug hole 4111 after the hook body and the connecting disc 1 are fixedly connected; when needs are to dismantling between the coupler body and the connection pad 1, insert in the spliced eye 4111 with grafting pole 4112 equally, through knocking grafting pole 4112 to opposite direction, make butt piece 411 slide to the lowest of spiral position along the helicoid of fixed cover 42, then slide into the butt piece 411 to letting in the groove 421 again, make trigger cover 8 keep away from positioner 3, thereby the locating position breaks away from in the draw-in groove 111, again with couple 2 and connecting rod 12 separation, can realize the dismantlement work between the coupler body and the connection pad 1.
Referring to fig. 2 and 3, the first fixing rod 5 is fixedly provided with a second fixing rod 6 at one end deviating from the hook body, the cross section of the first fixing rod 5 is circular, and the cross section of the second fixing rod 6 is square and chamfered at four corners. The connecting sleeve 7 used for being fixedly connected with the connecting pipe 9 is sleeved on the circumferential outer wall of the second fixing rod 6, the through groove 71 matched with the second fixing rod 6 is formed in the connecting sleeve 7 along the length direction of the connecting sleeve, and the cross section of the through groove 71 is of a square structure the same as that of the second fixing rod 6. The second fixing rod 6 penetrates through the connecting sleeve 7 from the through groove 71 and is fixedly provided with a threaded rod 61, the threaded rod 61 is in threaded connection with a nut 62, the connecting sleeve 7 is fixedly connected with the fixing sleeve 42, one side, close to the fixing sleeve 42, of the connecting sleeve 7 is abutted against the end portion of the first fixing rod 5, and the other side of the connecting sleeve 7 is abutted against the nut 62. Through the clamping cooperation of second dead lever 6 and adapter sleeve 7 in logical groove 71, make adapter sleeve 7 be difficult for taking place to rotate with second dead lever 6 to make through nut 62 and fix between adapter sleeve 7 and the second dead lever 6 and be difficult for taking place to drop, thereby guaranteed the good stability of adapter sleeve 7.
Referring to fig. 2 and 3, the circumferential side wall of the connecting sleeve 7 is opened with a crimping groove 72. The connecting pipe 9 is sleeved outside the connecting sleeve 7, and the pipe wall of the connecting pipe 9 is pressed in the crimping groove 72 through the crimping machine, so that the connecting and fixing between the connecting pipe 9 and the connecting sleeve 7 are realized.
The implementation principle of the rotary self-locking connecting device in the embodiment of the application is as follows: when the staff is connecting fixedly between coupler body and connection pad 1, couple 2 and connecting rod 12 joint earlier, then rotate butt piece 411, make butt piece 411 remove along the helicoid of fixed cover 42, and make and rotate cover 41 and drive trigger cover 8 and compress tightly positioner 3 in draw-in groove 111, thereby it is fixed to make to connect between coupler body and the connection pad 1, when needs are with dismantling between coupler body and the connection pad 1, to opposite direction rotation butt piece 411, and lie in to retreat groove 421 and slide to the direction of keeping away from couple 2 with butt piece 411, thereby accomplish and dismantle between coupler body and the connection pad 1. Through above structure, improve the work efficiency of support body structure installation and dismantlement.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (9)
1. A rotary self-locking connecting device is characterized in that: the connecting disc comprises a connecting disc (1) and a hook body, wherein the connecting disc (1) comprises two wheel discs (11) and a plurality of connecting rods (12), the connecting rods (12) are fixed between the two wheel discs (11), the circumferential side wall of each wheel disc (11) is provided with a plurality of clamping grooves (111), and the hook body comprises a hook (2) in clamping fit with the connecting rods (12), a positioning device (3) in clamping fit with the clamping grooves (111) and a self-locking assembly (4) for pushing the positioning device (3) to be clamped into the clamping grooves (111); couple (2) one side fixedly connected with first dead lever (5), positioner (3) and auto-lock subassembly (4) are run through in first dead lever (5), auto-lock subassembly (4) are including rotating cover (41) and fixed cover (42), fixed cover (42) and first dead lever (5) fixed connection, and the terminal surface that fixed cover (42) is close to the one end of couple (2) is helical structure, it is connected with first dead lever (5) rotation to rotate cover (41), the lateral wall that rotates cover (41) has set firmly butt piece (411), butt piece (411) and the helicoid one side butt of fixed cover (42).
2. A rotary self-locking connection according to claim 1, characterized in that: fixed cover (42) offer along self axial direction with the piece (411) of butt joint slip adaptation retreat groove (421), retreat groove (421) are located helical structure's the lowest.
3. A rotary self-locking connection according to claim 1, characterized in that: one end of the first fixing rod (5) deviating from the hook (2) is fixedly provided with a second fixing rod (6), the second fixing rod (6) is sleeved with a connecting sleeve (7), and the connecting sleeve (7) is fixedly connected with the second fixing rod (6).
4. A rotary self-locking connection according to claim 3, wherein: the cross section of the first fixing rod (5) is circular, the cross section of the second fixing rod (6) is square, a through groove (71) matched with the second fixing rod (6) is formed in the connecting sleeve (7), and the connecting sleeve (7) is fixedly connected with the fixing sleeve (42).
5. A rotary self-locking connection according to claim 3, wherein: and a pressure welding groove (72) is formed in the circumferential side wall of the connecting sleeve (7).
6. A rotational self-locking connection according to claim 4, wherein: the through groove (71) penetrates through the connecting sleeve (7), one side, close to the fixing sleeve (42), of the connecting sleeve (7) is abutted to the end portion of the first fixing rod (5), the second fixing rod (6) penetrates through the connecting sleeve (7) from the through groove (71), and a nut (62) is connected to one side, deviating from the fixing sleeve (42), of the second fixing rod (6) in the connecting sleeve (7) in a threaded mode.
7. A rotary self-locking connection according to claim 1, characterized in that: the butt joint block (411) is provided with an inserting hole (4111), and an inserting rod (4112) is inserted in the inserting hole (4111).
8. A rotary self-locking connection according to claim 1, characterized in that: the spiral degree of the spiral surface of the fixing sleeve (42) is 30-40 degrees.
9. A rotary self-locking connection according to claim 1, characterized in that: rotate cover (41) and fixed cover (42) and rotate and be connected, and rotate the outer wall of cover (41) and the inner wall butt of fixed cover (42), rotate cover (41) and at the one side fixedly connected with trigger cover (8) that deviates from fixed cover (42), trigger cover (8) deviate from one side and positioner (3) butt that rotate cover (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110271155.9A CN112963415B (en) | 2021-03-12 | 2021-03-12 | Rotary self-locking connecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110271155.9A CN112963415B (en) | 2021-03-12 | 2021-03-12 | Rotary self-locking connecting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112963415A CN112963415A (en) | 2021-06-15 |
| CN112963415B true CN112963415B (en) | 2021-11-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110271155.9A Active CN112963415B (en) | 2021-03-12 | 2021-03-12 | Rotary self-locking connecting device |
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| Country | Link |
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| CN (1) | CN112963415B (en) |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2592921A1 (en) * | 1986-01-16 | 1987-07-17 | Kremer Rene | Connections for assembling rods, tubes or sections |
| JP2562375Y2 (en) * | 1992-09-22 | 1998-02-10 | ホリー株式会社 | Connecting device for temporary pipe |
| WO2003102330A1 (en) * | 2002-06-04 | 2003-12-11 | Rajkrishan Fakirchand Sharma | Improved in scaffold connections |
| CN2728174Y (en) * | 2004-07-30 | 2005-09-21 | 深圳富泰宏精密工业有限公司 | Hinge structure |
| KR20070008141A (en) * | 2005-07-13 | 2007-01-17 | 현대중공업 주식회사 | Cam type scaffolding joint |
| AR070292A1 (en) * | 2009-02-09 | 2010-03-31 | Soukup Eduardo Guillermo | MODULAR ASSEMBLY FOR THE ASSEMBLY OF TUBULAR STRUCTURES |
| CN102530438B (en) * | 2010-12-22 | 2013-11-27 | 于红燕 | Arch breaking device for feed bin |
| CN103307063B (en) * | 2013-06-27 | 2015-07-15 | 江西洪都航空工业集团有限责任公司 | Adjustable locking mechanism |
| CN105501439B (en) * | 2015-12-31 | 2018-02-23 | 北京航空航天大学 | A kind of rotor deceleration locking device for rotor fixed-wing combined type vertically taking off and landing flyer |
| CN205935630U (en) * | 2016-07-18 | 2017-02-08 | 山东兴华建设集团有限公司 | Scaffold frame is with wheel knot formula connecting device |
-
2021
- 2021-03-12 CN CN202110271155.9A patent/CN112963415B/en active Active
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| CN112963415A (en) | 2021-06-15 |
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