CN109057005B - Space truss connecting rod with locking function and the fixture for installing the connecting rod - Google Patents
Space truss connecting rod with locking function and the fixture for installing the connecting rod Download PDFInfo
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- CN109057005B CN109057005B CN201811073216.5A CN201811073216A CN109057005B CN 109057005 B CN109057005 B CN 109057005B CN 201811073216 A CN201811073216 A CN 201811073216A CN 109057005 B CN109057005 B CN 109057005B
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- connecting rod
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- space truss
- fork
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- 239000007787 solid Substances 0.000 claims 1
- 238000009434 installation Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/19—Three-dimensional framework structures
-
- 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
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Mechanical Engineering (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
一种带有锁紧功能的空间桁架连杆及用于安装该连杆的卡具，涉及桁架结构技术领域。本发明解决了现有的空间桁架搭建后结构刚度不足、稳定性差的问题。卡榫头与连接杆之间通过杆桶固接，所述卡榫头包括同轴固接为一体的弹性榫接段及连接段，且弹性榫接段与杆桶之间通过连接段固接，所述弹性榫接段包括若干呈环形布置的倒钩结构，所述连接段内开设有阶梯孔，所述杆桶内开设有凹槽，弹性榫接段、阶梯孔及凹槽依次同轴设置，且阶梯孔与凹槽贯通设置，滑栓上靠近连接杆的一端与杆桶内的凹槽底端之间通过弹簧连接，杆桶的侧壁上关于其中心轴线对称开设有两个长孔，滑杆沿杆桶的径向方向同时穿装在杆桶及滑栓上，且滑栓通过滑杆沿长孔长度方向滑动设置。
A space truss connecting rod with locking function and a fixture for installing the connecting rod relate to the technical field of truss structures. The invention solves the problems of insufficient structural rigidity and poor stability after the existing space truss is built. The tenon head and the connecting rod are fixedly connected through the rod barrel, the tenon head comprises an elastic tenon joint section and a connecting section that are coaxially fixed as one, and the elastic tenon joint section and the rod barrel are fixedly connected by the connecting section, so The elastic tenon joint section includes a plurality of barb structures arranged in a ring shape, a stepped hole is formed in the connecting section, a groove is formed in the rod barrel, and the elastic tenon joint section, the stepped hole and the groove are arranged coaxially in sequence, The stepped hole and the groove are arranged through the groove, the end of the slide bolt close to the connecting rod and the bottom end of the groove in the rod barrel are connected by a spring, and two long holes are symmetrically opened on the side wall of the rod barrel about its central axis. The sliding rod is simultaneously mounted on the rod barrel and the sliding bolt along the radial direction of the rod barrel, and the sliding bolt is slidably arranged along the length direction of the long hole through the sliding rod.
Description
Technical field
The present invention relates to a kind of space truss connecting rod with locking function and the fixtures for installing the connecting rod, are related to one
The kind in-orbit part material built of large-type space truss, belongs to truss structure technical field.
Background technique
In modern solar-system operation, space truss structure is collapsed after compressing, in orbit using ground manufacture assembly
Unlock expansion.With the development of technology, also increasing to the size requirements of space truss, but limited by the space of carrier rocket
System, this truss structure cannot be done very big.For the length for reaching up to a hundred or upper km, high expansion ratio is needed, is designed
Difficulty is big, and transportation cost is high.
According to external Engineering Projects, large-type space truss can be taken by the way of a kind of material based on club
It builds.But due to the rigidity of structure for the large-scale truss for being attached merely, therefore being built using elastic latch between bar and ball
It is not strong, therefore the truss connecting rod that can be locked after a kind of build is needed, to meet the needs of Space Equipment.
Summary of the invention
The present invention is in order to solve the problems, such as that existing space truss builds that the rear rigidity of structure is insufficient, stability is poor, in turn
Provide a kind of space truss connecting rod with locking function and the fixture for installing the connecting rod.
Used technical solution is the present invention to solve above-mentioned technical problem:
A kind of space truss connecting rod with locking function, it include connecting rod and symmetrically be fixed in connecting rod both ends and with
The trip component of connecting rod coaxial arrangement, each trip component include retainer, slide bar, spring and coaxial affixed trip head
With bar bucket, affixed by bar bucket between trip head and connecting rod, the trip head includes the elastic joggle coaxially to fix as one
Section and linkage section, and affixed by linkage section between elastic joggle section and bar bucket, the elasticity joggle section include it is several in a ring
The overhead structure of arrangement offers stepped hole in the linkage section, fluted, elastic joggle section, ladder is opened up in the bar bucket
Hole and groove are sequentially coaxially arranged, and stepped hole and groove perforation are arranged, in retainer in one end of connecting rod and bar bucket
It being connected between groove bottom end by spring, under spring non-compressed state, retainer is installed on simultaneously in elastic joggle section and stepped hole,
Symmetrically open up about center axis thereof that there are two long holes on the side wall of bar bucket, and the length direction of two long holes is axial along bar bucket
Setting, slide bar is installed in bar bucket and retainer simultaneously along the radial direction of bar bucket, and retainer passes through slide bar along long hole length direction
Sliding setting.
Further, the retainer includes coaxially fixing as one and cross section is circular bayonet lock and positioning section,
The outer diameter of middle bayonet lock is identical as the internal diameter of elastic joggle section, and the outer diameter of bayonet lock is less than the outer diameter setting of positioning section.
It further, is to be threadedly coupled between bar bucket and trip head and between bar bucket and connecting rod.
Further, the connecting rod is tubular structure.
Further, each trip component further includes guide ring and two circlips, and the guiding coollar is located on bar bucket, and
Symmetrically opened up about center axis thereof on guide ring there are two the second through-hole, slide bar be threaded through in the second through-hole and by circlip with
Guide ring is affixed.
It is a kind of for installing the fixture of above-mentioned connecting rod, it include arm connector, two forks, two fork link blocks and
Two clamping jaws, the top of the arm connector and mechanical arm are affixed, and two clamping jaws are fixed in the bottom of arm connector side by side
Portion, two fork correspondences are rotatably connected on arm connector by two fork link blocks, and two clamping jaws are respectively positioned on two and pull out
It grabs between fork and and is located in the connecting rod of space truss connecting rod, the corresponding card in one end on two forks far from fork link block is set
On the slide bar of space truss connecting rod.
Further, a kind of fixture for installing above-mentioned connecting rod further includes two shafts, two torsional springs and two lower limits
Position bar, fork link block are symmetrically fixed in the lower part of arm connector, a torsional spring, each fork are respectively set in each shaft
The corresponding middle part that fork link block is rotatably connected on by a shaft and a torsional spring in one end, under each fork link block
Each level in portion is connected with a lower limit bar, and under fixture off working state, the one end on fork close to shaft rides upon lower limit
On the bar of position.
Further, also level is connected with upper limit bar, the upper limit bar and the lower limit on each fork link block
Position bar is oppositely arranged on the two sides of fork.
Further, fork link block is fixed on arm connector by fixing bolt.
The present invention has the effect that compared with prior art
The application maintains the advantages of elastic latch is able to carry out Automated assembly, efficiently solves elastic latch junction
Space truss insufficient rigidity the shortcomings that.Compared with prior art, stability is higher, and the in-orbit rigidity for building truss is higher.
The application structure is simple, and installation effectiveness is high.
Detailed description of the invention
Fig. 1 is schematic perspective view of the invention；
Fig. 2 is the main cross-sectional schematic diagram of space truss connecting rod；
Fig. 3 is the main cross-sectional schematic diagram of trip component；
Fig. 4 is the schematic perspective view of trip component.
Specific embodiment
Specific embodiment 1: illustrating present embodiment, a kind of space truss company with locking function in conjunction with Fig. 1~4
Bar, the trip component 2 that it includes connecting rod 1 and is symmetrically fixed in 1 both ends of connecting rod and is coaxially disposed with connecting rod 1, each card
Tenon component 2 includes retainer 2-1, slide bar 2-2, spring 2-3 and coaxial affixed trip head 2-4 and bar bucket 2-5, trip head 2-
Affixed by bar bucket 2-5 between 4 and connecting rod 1, the trip head 2-4 includes the elastic joggle section 2-41 coaxially to fix as one
And linkage section 2-42, and affixed by linkage section 2-42 between elasticity joggle section 2-41 and bar bucket 2-5, the elasticity joggle section 2-
41 include several overhead structures arranged in a ring, offers stepped hole in the linkage section 2-42, opens up in the bar bucket 2-5
Fluted 2-51, elastic joggle section 2-41, stepped hole and groove 2-51 are sequentially coaxially arranged, and stepped hole and groove 2-51 are penetrated through
It is arranged, is connected between the bottom end groove 2-51 on retainer 2-1 in one end and bar bucket 2-5 of connecting rod 1 by spring 2-3,
Under spring 2-3 non-compressed state, retainer 2-1 is installed on simultaneously in elastic joggle section 2-41 and stepped hole, on the side wall of bar bucket 2-5
Long hole 2-52 there are two symmetrically being opened up about center axis thereof, and the length direction of two long hole 2-52 is axial along bar bucket 2-5
Setting, slide bar 2-2 is installed on bar bucket 2-5 and retainer 2-1 simultaneously along the radial direction of bar bucket 2-5, and retainer 2-1 passes through slide bar
2-2 is slided along long hole 2-52 length direction to be arranged.First through hole 2-11 is radially offered on retainer 2-1, slide bar 2-2 passes through
First through hole 2-11 is threaded through on retainer 2-1, so that retainer 2-1 can be in cunning when slide bar 2-2 is moved axially along bar bucket 2-5
Along the axial movement of bar bucket 2-5 under the drive of bar 2-2.Under normality be space truss connecting rod assembled state under and space truss connect
Under the static storage configuration of bar, because the elastic force of spring 2-3 acts on, retainer 2-1 is inserted into always in elastic joggle section 2-41, in sky
Between in truss connecting rod assembling process, push slide bar 2-2 to 1 direction of connecting rod, drive retainer 2-1 axial movement, when retainer 2-1 is moved
When moving extreme position, retainer 2-1 is detached from elastic joggle section 2-41, after the assembly is completed, unclamps slide bar 2-2, makes retainer 2-1 in bullet
The elastic force effect of spring 2-3 is lower to be resetted, so that retainer 2-1 is inserted into elastic joggle section 2-41, reaches locking and rigidly connected
Purpose.The diameter of long hole 2-52 is identical as slide bar 2-2 diameter, and slide bar 2-2 is moved along the length direction of long hole 2-52
It is dynamic.
One end on bar bucket 2-5 close to connecting rod 1 is machined with the shaft shoulder, after bar bucket 2-5 is threadedly coupled with connecting rod 1,
It should be withstood on the end face of connecting rod 1 at the shaft shoulder of bar bucket 2-5, to reach the function of positioning.
The application maintains the advantages of elastic latch is able to carry out Automated assembly, efficiently solves elastic latch junction
Space truss insufficient rigidity the shortcomings that.Compared with prior art, stability is higher, and the in-orbit rigidity for building truss is higher.
The retainer 2-1 includes coaxially fixing as one and cross section is circular bayonet lock 2-12 and positioning section 2-13,
Wherein the outer diameter of bayonet lock 2-12 is identical as the internal diameter of elastic joggle section 2-41, and the outer diameter of bayonet lock 2-12 is less than positioning section 2-13's
Outer diameter setting.Bayonet lock 2-12 is equipped in elastic joggle section 2-41, and positioning section 2-13 is equipped with linkage section 2-42's
In stepped hole.When under normality be space truss connecting rod assembled state under and the static storage configuration of space truss connecting rod under, positioning
The top section 2-13 is located in stepped hole, guarantees position of the bayonet lock 2-12 in elastic joggle section 2-41, and then guarantee in space truss
Coupling stiffness and stability under connecting rod assembled state.
It is to be threadedly coupled between bar bucket 2-5 and trip head 2-4 and between bar bucket 2-5 and connecting rod 1.Convenient for space company
Bar removes and installs, while convenient for space connecting-rod is transported to space by ground.The external screw thread and bar of trip head 2-4 one end
The screw-internal thread fit of bucket 2-5 one end, the external screw thread of the other end bar bucket 2-5 and the screw-internal thread fit of 1 one end of connecting rod.
The connecting rod 1 is tubular structure.Space truss overall structure weight is effectively reduced.
Each trip component 2 further includes that guide ring 2-6 and two circlips 2-7, the guide ring 2-6 are set in bar bucket 2-5
On, and symmetrically open up about center axis thereof that be threaded through second logical there are two the second through-hole 2-61, slide bar 2-2 on guide ring 2-6
It is in the 2-61 of hole and affixed by circlip 2-7 and guide ring 2-6.Guide ring 2-6 can be axial along bar bucket 2-5 in bar bucket 2-5 outer wall
It is free to slide, realize that position of the slide bar 2-2 on retainer 2-1 is fixed and the edge slide bar 2-2 by guide ring 2-6 and circlip 2-7
Effective sliding of bar bucket 2-5 axis direction.
It is a kind of for installing the fixture of above-mentioned connecting rod, it includes the fork link block of fork 4, two of arm connector 3, two
5 and two clamping jaws 6, the top of the arm connector 3 and mechanical arm are affixed, and two clamping jaws 6 are fixed in arm connection side by side
The bottom of part 3, two forks 4 are corresponding to be rotatably connected on arm connector 3 by two fork link blocks 5, and two clamping jaws 6 are equal
It grabs between two forks 4 and in the connecting rod 1 for being located at space truss connecting rod, far from fork link block 5 on two forks 4
One end correspondence be fastened on the slide bar 2-2 of space truss connecting rod.When wanting installation space truss connecting rod, control mechanical arm to
Lower movement drives fixture integrally to be moved, with the whereabouts of arm connector 3, fork 4 push slide bar 2-2 and retainer 2-1 to
The movement of 6 direction of clamping jaw, while retainer 2-1 compressed spring 2-3, when two clamping jaws 6 are grabbed completely to be located in connecting rod 1, retainer
Bayonet lock 2-12 on 2-1 is detached from the elastic joggle section 2-41 of trip head 2-4, carries fixture by mechanical arm and connects space truss
Bar is moved to assembling station, and the elastic joggle section 2-41 of trip head 2-4 is snapped fit onto the target position (target after the assembly is completed
Position such as eighteen-face spheroid body), mechanical arm carries arm connector 3 and moves up, and fork 4 and clamping jaw 6 is driven to be detached from space purlin
Frame connecting rod, for retainer 2-1 under the action of spring 2-3, the bayonet lock 2-12 of front end is re-inserted into the elastic joggle section of trip head 2-4
In 2-41, reach rigidly connected purpose.
The internal diameter of clamping jaw 6 is identical as the outer diameter of connecting rod 1, and the both ends of connecting rod 1 are equipped with the shaft shoulder, when clamping jaw 6 catches connection
When bar 1, the side of clamping jaw 6 should be adjacent on the inside of the shaft shoulder of connecting rod 1.
Arm connector 3 includes executive item 3-1 and connector 3-2, and executive item 3-1 is connect by connector 3-2 with mechanical arm,
Affixed by connection bolt between connector 3-2 and executive item 3-1, executive item 3-1 is the hardened structure of elongated metal, and executive item 3-
1 bottom end is affixed, and there are two otic placode 3-3, are used for stationary jaw 6.
A kind of fixture for installing above-mentioned connecting rod further includes two shafts, 7, two torsional springs 8 and two lower limit bars 9, is pulled out
Fork link block 5 is symmetrically fixed in the lower part of arm connector 3, is respectively set with a torsional spring 8 in each shaft 7, each fork 4
The corresponding middle part that fork link block 5 is rotatably connected on by a shaft 7 and a torsional spring 8 in one end, each fork link block 5
Each level in lower part is connected with a lower limit bar 9, and under fixture off working state, the one end on fork 4 close to shaft 7 is ridden upon
On lower limit bar 9.Lower limit bar 9 is caging bolt, is threadedly coupled with fork link block 5, and fork 4 can be real by torsional spring 8
Now 7 rotation around the shaft.In a non-operative state, fork 4 rides upon on lower limit bar 9 fixture, when wanting installation space truss connecting rod
When, control mechanical arm moves down, and drives fixture integrally to be moved, with the whereabouts of arm connector 3, under fork 4
End rides upon on slide bar 2-2, and gradually pushes slide bar 2-2 mobile to 6 direction of clamping jaw, passes through the effect of torsional spring 8 in the process
Guarantee that between fork 4 and slide bar 2-2 be always to hold out against state.After being installed, arm connector 3 is lifted up, clamping jaw 6 by
It is gradually disconnected bar 1, fork 4 returns to initial position under the action of torsional spring 8.
Also level is connected with upper limit bar 10, the upper limit bar 10 and the lower limit bar 9 on each fork link block 5
It is oppositely arranged on the two sides of fork 4.The rotational angle that fork 4 is limited by upper limit bar 10 and lower limit bar 9, to guarantee sky
Between truss connecting rod effective installation.
Fork link block 5 is fixed on arm connector 3 by fixing bolt 11.It is easy to disassemble and fork link block 5
Position adjustment.
Claims (9)
1. a kind of space truss connecting rod with locking function, it is characterised in that: it includes connecting rod (1) and the symmetrical company of being fixed in
Extension bar (1) both ends and with connecting rod (1) coaxial arrangement trip component (2), each trip component (2) include retainer (2-1),
Slide bar (2-2), spring (2-3) and coaxial affixed trip head (2-4) and bar bucket (2-5), trip head (2-4) and connecting rod
(1) affixed by bar bucket (2-5) between, the trip head (2-4) includes the elastic joggle section (2-41) coaxially to fix as one
And linkage section (2-42), and affixed by linkage section (2-42) between elastic joggle section (2-41) and bar bucket (2-5), the elasticity
Joggle section (2-41) includes several overhead structures arranged in a ring, offers stepped hole in the linkage section (2-42), described
It being opened up fluted (2-51) in bar bucket (2-5), elastic joggle section (2-41), stepped hole and groove (2-51) are sequentially coaxially arranged,
And stepped hole and groove (2-51) perforation are arranged, in retainer (2-1) close to connecting rod (1) one end with it is recessed in bar bucket (2-5)
It is connected between the bottom end slot (2-51) by spring (2-3), under spring (2-3) non-compressed state, retainer (2-1) is installed on bullet simultaneously
Property joggle section (2-41) and stepped hole in, symmetrically open up about center axis thereof that there are two long hole (2- on the side wall of bar bucket (2-5)
52), and the length direction of two long holes (2-52) is axially arranged along bar bucket (2-5), diameter of the slide bar (2-2) along bar bucket (2-5)
It is installed in bar bucket (2-5) and retainer (2-1) simultaneously to direction, and retainer (2-1) is long along long hole (2-52) by slide bar (2-2)
Spend direction sliding setting.
2. the space truss connecting rod according to claim 1 with locking function, it is characterised in that: the retainer (2-1)
Including coaxially fixing as one and cross section is circular bayonet lock (2-12) and positioning section (2-13), wherein bayonet lock (2-12)
Outer diameter is identical as the internal diameter of elastic joggle section (2-41), and outer diameter of the outer diameter of bayonet lock (2-12) less than positioning section (2-13) is set
It sets.
3. the space truss connecting rod according to claim 1 or 2 with locking function, it is characterised in that: bar bucket (2-5) with
It is to be threadedly coupled between trip head (2-4) and between bar bucket (2-5) and connecting rod (1).
4. the space truss connecting rod according to claim 3 with locking function, it is characterised in that: the connecting rod (1)
For tubular structure.
5. the space truss connecting rod according to claim 1,2 or 4 with locking function, it is characterised in that: each trip
Component (2) further includes guide ring (2-6) and two circlips (2-7), and the guide ring (2-6) is set on bar bucket (2-5), and leads
It is symmetrically opened up about center axis thereof there are two the second through-hole (2-61) on Xiang Huan (2-6), slide bar (2-2) is threaded through the second through-hole
It is in (2-61) and affixed by circlip (2-7) and guide ring (2-6).
6. a kind of for installing the space truss connecting rod in Claims 1 to 5 described in any claim with locking function
Fixture, it is characterised in that: it includes arm connector (3), two forks (4), two fork link blocks (5) and two clamping jaws
(6), the top of the arm connector (3) and mechanical arm are affixed, and two clamping jaws (6) are fixed in arm connector (3) side by side
Bottom, two forks (4) are corresponding to be rotatably connected on arm connector (3) by two fork link blocks (5), two clamping jaws
(6) it is respectively positioned between two forks (4) and grabs and be located in the connecting rod (1) of space truss connecting rod, it is separate on two forks (4)
One end correspondence of fork link block (5) is fastened on the slide bar (2-2) of space truss connecting rod.
7. fixture according to claim 6, it is characterised in that: it further includes two shafts (7), two torsional springs (8) and two
A lower limit bar (9), fork link block (5) are symmetrically fixed in the lower part of arm connector (3), each suit on each shaft (7)
There is a torsional spring (8), one end of each fork (4) is corresponding to be rotatably connected on fork by a shaft (7) and a torsional spring (8)
The middle part of link block (5), each level in lower part of each fork link block (5) are connected with a lower limit bar (9), fixture inoperative
Under state, the one end on fork (4) close to shaft (7) is ridden upon on lower limit bar (9).
8. fixture according to claim 7, it is characterised in that: also level is connected with the upper limit on each fork link block (5)
Position bar (10), the upper limit bar (10) and the lower limit bar (9) are oppositely arranged on the two sides of fork (4).
9. according to fixture described in claim 6,7 or 8, it is characterised in that: fork link block (5) is solid by fixing bolt (11)
It connects on arm connector (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811073216.5A CN109057005B (en) | 2018-09-14 | 2018-09-14 | Space truss connecting rod with locking function and the fixture for installing the connecting rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811073216.5A CN109057005B (en) | 2018-09-14 | 2018-09-14 | Space truss connecting rod with locking function and the fixture for installing the connecting rod |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109057005A CN109057005A (en) | 2018-12-21 |
| CN109057005B true CN109057005B (en) | 2019-05-21 |
Family
ID=64761817
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811073216.5A Active CN109057005B (en) | 2018-09-14 | 2018-09-14 | Space truss connecting rod with locking function and the fixture for installing the connecting rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109057005B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109736428B (en) * | 2019-01-09 | 2020-02-14 | 燕山大学 | Large-breadth truss rapid butt joint locking mechanism |
| CN113788164B (en) * | 2021-09-14 | 2022-09-02 | 哈尔滨理工大学 | Space truss connecting device with bidirectional locking function |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NZ224675A (en) * | 1987-05-26 | 1991-08-27 | Syma Intercontinental Sa | Connecting element for scaffolding rod end |
| CH680304A5 (en) * | 1990-02-16 | 1992-07-31 | Syma Intercontinental Sa | |
| DE4104581A1 (en) * | 1991-02-14 | 1992-08-20 | Armin Mylaeus | Space framework with cylindrical girth and diagonal tubular bars - has node connection with ball with screw union between ball and tubular bar end narrowing towards it |
| CN2183390Y (en) * | 1994-02-05 | 1994-11-23 | 林宗清 | Improved space truss |
| CN2224875Y (en) * | 1994-12-15 | 1996-04-17 | 开封市华中空间结构有限公司 | Ball joint for space steel frame |
| JP2002004415A (en) * | 2000-06-27 | 2002-01-09 | Fujisash Co | Device for preventing drop of rotating sleeve used in common as spacer in space truss |
-
2018
- 2018-09-14 CN CN201811073216.5A patent/CN109057005B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN109057005A (en) | 2018-12-21 |
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Inventor after: Li Peng Inventor after: Su Xiaobo Inventor after: Yin Fan Inventor after: Wang Jie Inventor after: Zeng Hongling Inventor after: Tang Shanhong Inventor before: Li Peng Inventor before: Zhang Yongchao Inventor before: Lu Jie Inventor before: Ma Chao Inventor before: Liu Fei Inventor before: Liu Ruiga |
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Effective date of registration: 20220310 Address after: Building 1, Jiacheng Road, Chengdu, Sichuan 610000 Patentee after: Sichuan Bofan Tongchuang robot Co.,Ltd. Address before: No. 3999, Binjiang East Road, Fengman District, Jilin City, Jilin Province Patentee before: BEIHUA University |