CN208486907U - A kind of novel combined lock foot anchoring stock node apparatus - Google Patents
A kind of novel combined lock foot anchoring stock node apparatus Download PDFInfo
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- CN208486907U CN208486907U CN201821106479.7U CN201821106479U CN208486907U CN 208486907 U CN208486907 U CN 208486907U CN 201821106479 U CN201821106479 U CN 201821106479U CN 208486907 U CN208486907 U CN 208486907U
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Abstract
本实用新型属于隧道工程、土质围岩技术领域，尤其涉及一种新型复合式锁脚锚杆节点装置。本实用新型包括拱架、锁脚锚管和锚杆，还包括节点连接装置，拱架与节点连接装置表面垂直可拆卸连接；锁脚锚管贯穿节点连接装置与锚杆套接，锁脚锚管与拱架垂直。本实用新型通过增加锁脚锚管直径，能有效提高锁脚锚管抗剪抗弯刚度，承担洞周拱架切线压力，限制初期支护洞周方向位移；通过放置深部围岩预应力锚杆，能有效在仰拱闭合前提供断面径向围岩深部约束力，限制初期支护径向方向位移；通过通过整合式节点设计，有效链接拱架‑锁脚锚管‑预应力锚杆，施工简便，受力状态明确，能发挥预期作用。
The utility model belongs to the technical field of tunnel engineering and soil surrounding rock, in particular to a novel compound type locking foot anchor bolt node device. The utility model comprises an arch frame, a foot-locking anchor pipe and an anchor rod, and also includes a node connecting device. The arch frame and the surface of the node connecting device are vertically and detachably connected; The tube is perpendicular to the arch. The utility model can effectively improve the shearing and bending rigidity of the locking foot anchor pipe by increasing the diameter of the locking foot anchor pipe, bear the tangential pressure of the arch frame around the hole, and limit the displacement in the circumferential direction of the initial support hole; , which can effectively provide the deep confinement force of the radial surrounding rock of the section before the inverted arch is closed, and limit the radial displacement of the initial support; through the integrated node design, it can effectively link the arch-locking anchor pipe-prestressed anchor rod, construction It is simple, the force state is clear, and it can play the expected role.
Description
Technical field
The utility model belongs to soil property country rock in Tunnel Engineering, and lock foot anchoring stock (pipe) arch interconnection technique field especially relates to
And a kind of novel combined lock foot anchoring stock node apparatus.
Background technique
Anchor pole is important a ring in Tunnel Engineering, plays rock around firm hole, reduces and loosens deformation, improve lining cutting by
The important function of power.Anchor pole is divided into system anchor bolt and lock foot anchoring stock (pipe), and system anchor bolt is to be laid in hole week upper firm wall, lock
Foot anchor pole (pipe) is to play the role of fixed steel arch-shelf.
Existing construction mostly uses anchor tube to be welded with arch by L shape reinforcing bar at present.Welding workload is big, in tunnel
In the case that electricity consumption has biggish security risk, and welding quality cannot be effectively ensured, arch displacement cannot be limited well.Mesh
Before mostly use layers of concrete as arch arch springing, effect is bad.
Utility model content
One of the purpose of this utility model is to provide one kind and effectively improves lock foot anchor tube shearing resistance bending stiffness, undertakes hole week arch
Frame peripheral pressure, lock foot anchor tube, the anchor pole of limitation preliminary bracing hole circumferential direction displacement；The purpose of this utility model second is that mentioning
Section radial direction country rock deep constraint power can be effectively provided before inverted arch is closed for a kind of, limitation preliminary bracing radial direction displacement
Lock foot anchor tube；The three of the purpose of this utility model are to provide a kind of lock foot anchor tube of constructing operation simplicity.
In order to achieve the above purposes, the technical solution adopted by the utility model is:
A kind of novel combined lock foot anchoring stock node apparatus includes at least arch, lock foot anchor tube and anchor pole, further includes node
Attachment device；Nodal connection device includes at least two opposite and parallel surfaces, two groups of arches respectively with nodal connection device two
Opposite and parallel surface vertical removable connection, the lock foot anchor tube are socketed through nodal connection device and anchor pole, lock foot
Anchor tube is vertical with arch.
The anchor pole is socketed in lock foot anchor tube, and the internal diameter of the lock foot anchor tube is 42mm~200mm.
The anchor pole and lock foot anchor tube is provided at least 2 groups on nodal connection device.
The nodal connection device includes upper head plate, bottom plate, outer end plate, inner end plate and the first supporting rib；Described
Upper head plate is connected with bottom plate by the first supporting rib, and outer end plate and inner end plate are separately fixed at adjacent and vertical with upper head plate
On one opposite flank, upper head plate and bottom plate are detachably connected with two groups of arches respectively, are provided on outer end plate and inner end plate same
The circular through hole of axis, lock foot anchor tube circular through hole coaxial on outer end plate and inner end plate.
Upper head plate, bottom plate, outer end plate and the inner end plate is rectangle, upper head plate and bottom plate by being respectively set
Four first supporting ribs at four angles of rectangle are fixedly connected, and upper head plate, bottom plate, outer end plate and inner end plate connect and compose rectangle
Frame structure.
The second supporting rib is fixedly installed between the outer end plate and inner end plate or between the first supporting rib of any two.
Second supporting rib is provided with 2~10.
It is further fixed on strengthening segment force bearing ring on the outer end plate, is provided on outer end plate and is matched with strengthening segment force bearing ring outer diameter
Force bearing ring fixation hole, strengthening segment force bearing ring is fixed in force bearing ring fixation hole.
Through-hole in the strengthening segment force bearing ring is the circular through hole locked foot anchor tube and run through outer end plate.
The center of the upper head plate and bottom plate is provided with the rectangular channel of a perforation, the rectangular channel of upper head plate and bottom plate
Outside is also respectively provided with bolt hole.
The beneficial effects of the utility model are:
(1) diameter range for locking foot anchor tube is expanded to 42mm~200mm by the utility model, straight by increasing lock foot anchor tube
Diameter can effectively improve shearing resistance bending stiffness, undertake hole week arch peripheral pressure, limitation preliminary bracing hole circumferential direction displacement.
(2) the utility model is inserted directly into country rock for foot anchor tube is locked, can be effectively in inverted arch by placing deep wall rock anchor pole
Section radial direction country rock deep constraint power, limitation preliminary bracing radial direction displacement are provided before closure.
(3) the utility model is by passing through integrated design of node, valid link arch-lock foot anchor tube-anchor pole, construction letter
Just, stress is clear, can play predictive role.
Detailed description of the invention
The present invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is the left view of the utility model；
Fig. 2 is the top view of the utility model；
Fig. 3 is the front view of the utility model；
Fig. 4 is the usage state diagram of the utility model.
In figure, 1- upper head plate；2- bottom plate；3- outer end plate；4- inner end plate；The first supporting rib of 5-；6- anchor pole；7- locks foot anchor
Pipe；8- strengthening segment force bearing ring；9- bolt hole；10- top bar arch；Step arch in 11-；12- nodal connection device；13-
Two supporting ribs.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, fall within the protection scope of the utility model.
Embodiment one:
A kind of novel combined lock foot anchoring stock node apparatus as shown in Figure 1, Figure 2, Figure 3 and Figure 4, include at least arch,
Lock foot anchor tube 7 and anchor pole 6, it is characterised in that: further include nodal connection device 12；It is opposite that nodal connection device 12 includes at least two
And parallel surface, two groups of arches are connected with 12 liang of opposite and parallel surface vertical removables of nodal connection device respectively, institute
The lock foot anchor tube 7 stated is socketed through nodal connection device 12 and anchor pole 6, and lock foot anchor tube 7 is vertical with arch.
In actual use, tunnel excavation is carried out first, preliminary bracing is performed, according to the actual demand of construction, in factory
Pre- lockmaking foot anchor tube and being tightly fastened is connected on nodal connection device 12 in advance；It is bored on country rock and is slightly larger than seamless steel pipe diameter
Lock foot anchor tube 7 on the nodal connection device 12 being connected to is inserted on country rock in the hole that is drilled by Kong Hou, then by arch and node
Attachment device 12 connects.Then, lock foot anchor tube is socketed through nodal connection device 12 with anchor pole 6, keeps lock foot anchor tube 7 and arch
Frame is vertical, sets prestressed anchor and slip casing by pressure, to prestressed concrete be up to state standards as defined in can carry out prestressing force
After the prestressing force grouted anchor bar concrete strength of tensioning, prestressed stretch-draw is carried out.
End pressure slip casting type prestressing force hollow bolt can be used in anchor pole 6, anchor cable is held at prestress anchorage cable, end and general bonding
Anchor pole.
In actual use, arch includes top bar arch 10 and middle step arch 11, top bar arch 10 and middle step
Arch 11 is detachably connected on respectively on a parallel opposing sides of nodal connection device 12, especially arch and nodal connection device
12, to be bolted, facilitate novel combined prestressing force lock foot anchor tube to connect using and repair, installing for system with arch.
The nodal connection device 12 of the utility model had both locked the connecting elements of foot anchor tube, anchor pole 6, steel arch-shelf as connection,
Also as a pedestal of prestressed stretch-draw.Shearing resistance bending stiffness can be effectively improved, undertakes hole week arch peripheral pressure, limitation is just
The displacement of phase supporting hole circumferential direction；The utility model will lock foot anchor tube 7 and place country rock deep, can effectively provide before inverted arch is closed disconnected
Face diameter limits the displacement of preliminary bracing radial direction to country rock deep constraint power；The utility model by integrated node by being set
Meter, valid link arch-lock foot anchor tube-anchor pole, easy construction, stress is clear, can play predictive role.
Embodiment two:
As shown in Figure 1, Figure 2, Fig. 3 and a kind of novel combined lock foot anchoring stock node apparatus shown in Fig. 2, in the base of embodiment one
On plinth, the anchor pole 6 is socketed in lock foot anchor tube 7, and the internal diameter of the lock foot anchor tube 7 is 42mm~200mm.
The preferably anchor pole 6 and lock foot anchor tube 7 is provided at least 2 groups on nodal connection device 12.
In actual use, it is end by anchor pole 6, using slip casing by pressure formula prestressing force hollow bolt, and anchor pole 6 is socketed
Anchor pole is placed country rock deep by the method in lock foot anchor tube 7, significantly more efficient to provide section radial direction country rock before inverted arch is closed
Deep constraint power, limitation preliminary bracing radial direction displacement；Lock foot anchor tube generally uses 42mm seamless steel pipe, here enlarged diameter
Refer to from the various seamless steel pipes of 42mm~200mm, locks foot anchor tube diameter by increasing, shearing resistance bending stiffness can be effectively improved, undertaken
Hole week arch peripheral pressure, limitation preliminary bracing hole circumferential direction displacement.It in Practical Project implementation, can according to need, with section
Point attachment device 12 is connecting node, and multiple groups anchor pole 6 and lock foot anchor tube 7, nodal connection device is arranged in nodal connection device 12
12 sizes can be determined according to foot anchor tube 7 numbers of anchor pole 6 and lock, to meet the needs of different engineerings.
Embodiment three:
Such as figure Fig. 1 and a kind of novel combined lock foot anchoring stock node apparatus shown in Fig. 4, on the basis of example 1,
The nodal connection device 12 includes upper head plate 1, bottom plate 2, outer end plate 3, inner end plate 4 and the first supporting rib 5；Described is upper
End plate 1 and bottom plate 2 are connected by the first supporting rib 5, and outer end plate 3 and inner end plate 4 are separately fixed at adjacent and vertical with upper head plate 1
On a straight opposite flank, upper head plate 1 and bottom plate 2 are detachably connected with two groups of arches respectively, on outer end plate 3 and inner end plate 4
It is provided with coaxial circular through hole, lock foot anchor tube 7 circular through hole coaxial on outer end plate 3 and inner end plate 4.
Preferably upper head plate 1, bottom plate 2, outer end plate 3 and the inner end plate 4 is rectangle, upper head plate 1 and lower end
Plate 2 is fixedly connected by being separately positioned on four first supporting ribs 5 at four angles of rectangle, upper head plate 1, bottom plate 2, outer end plate 3
And inner end plate 4 connects and composes rectangular frame structure.
In actual use, upper head plate 1 and bottom plate 2 are that rectangle at four angles of rectangle has through-hole；Upper end
Plate 1 and bottom plate 2 are connected by being separately positioned on first supporting rib 5 at four angles, the upper and lower ends point of every one first supporting rib 5
Be not fixedly connected on upper head plate 1 and the through-hole to match with the first supporting rib 5 that 2 corresponding angles of bottom plate are opened in, and first
The upper and lower ends end face of support muscle 5 is flushed with the surface of upper head plate 1 and bottom plate 2 respectively；The outer surface of outer end plate 3 and inner end plate 4
It is concordant with the side of upper head plate 1 and bottom plate 2.
It is set by upper head plate 1, bottom plate 2 and outer end plate 3, the setting of inner end plate 4 and the integrated of the first supporting rib 5
Meter, valid link arch-lock foot anchor tube-prestressed anchor, easy construction, stress is clear, can play predictive role.
Example IV:
A kind of novel combined lock foot anchoring stock node apparatus as shown in Figure 1 and Figure 4, on the basis of example 1, institute
The second supporting rib 13 is fixedly installed between the outer end plate 3 stated and inner end plate 4 or between the first supporting rib of any two 5.
Preferably second supporting rib 13 is provided with 2~10.
In actual use, the first supporting rib 5 and the second supporting rib 13 setting so that nodal connection device 12 intensity
Effective reinforcement is obtained.The specific radical of second supporting rib 13 setting, can set according to actual loading situation, to ensure engineering
The safety of construction.
Embodiment five:
A kind of novel combined lock foot anchoring stock node apparatus shown in as shown in Figure 1, Figure 3 and Figure 4, on the basis of embodiment one
On, it is further fixed on strengthening segment force bearing ring 8 on the outer end plate 3, is provided on outer end plate 3 and is matched with 8 outer diameter of strengthening segment force bearing ring
Force bearing ring fixation hole, strengthening segment force bearing ring 8 is fixed in force bearing ring fixation hole.
Through-hole preferably in the strengthening segment force bearing ring 8 is the circular through hole locked foot anchor tube 7 and run through outer end plate 3.
The design of strengthening segment force bearing ring 8 enhances ability to bear of the nodal connection device 12 in prestressed stretch-draw, according to
That actual needs, the settable strengthening segment force bearing ring 8 in any position on outer end plate 3, and strengthening segment force bearing ring 8 are arranged
Number, can also increase according to the needs of engineering.
Embodiment six:
A kind of novel combined lock foot anchoring stock node apparatus as shown in Figure 2 and Figure 4, on the basis of example 1, institute
The center of the upper head plate 1 and bottom plate 2 stated is provided with the rectangular channel of a perforation, on the outside of the rectangular channel of upper head plate 1 and bottom plate 2 also
It is respectively arranged with bolt hole 9.
In actual use, upper head plate 1 and 2 central rectangular slot of bottom plate open up, and mention to actual installation bolt at the scene
For working space, so that operation is more convenient.The setting of bolt hole 9, can also according to the demand of engineering, open different pore size,
Different spacing, the spacing to meet the bolt connection and spacing of all kinds of I-steel of engineering I20a~I24, between bolt hole 9
Difference, so that the stability connecting between nodal connection device 12 and arch is more preferable, installation is more convenient.
Embodiment seven:
A kind of novel combined lock foot anchoring stock node apparatus as shown in Figure 1, Figure 2, Figure 3 and Figure 4, in the base of embodiment one
On plinth, the nodal connection device 12 includes upper head plate 1, bottom plate 2, outer end plate 3, inner end plate 4, the first supporting rib 5 and adds
Strong section force bearing ring 8；The upper head plate 1 and bottom plate 2 is rectangle and is provided with the rectangular channel of a perforation, square at the center of rectangle
Four angles of shape have through-hole；Upper head plate 1 and bottom plate 2 are connected by being separately positioned on first supporting rib 5 at four angles,
The upper and lower ends of every one first supporting rib 5, which are respectively fixedly connected with, to be supported what upper head plate 1 and 2 corresponding angles of bottom plate were opened with first
In the through-hole that muscle 5 matches, and the upper and lower ends end face of the first supporting rib 5 is neat with the surface of upper head plate 1 and bottom plate 2 respectively
It is flat；The outer end plate 3 and inner end plate 4 be rectangular configuration, be provided on outer end plate 3 and inner end plate 4 aperture it is identical and
Mutual corresponding circular through hole, outer end plate 3 and inner end plate 4 are respectively and fixedly installed on an opposite flank adjacent with upper head plate 1,
The outer surface of outer end plate 3 and inner end plate 4 is concordant with the side of upper head plate 1 and bottom plate 2；The strengthening segment force bearing ring 8 is fixed
It is arranged on outer end plate 3, the opposite position of strengthening segment force bearing ring 8 is provided with and 8 internal diameter phase of strengthening segment force bearing ring on outer end plate 3
Same through-hole；Bolt hole 9 is also respectively provided on the upper head plate 1 and bottom plate 2；The bolt hole 9 is in 1 He of upper head plate
Four groups are respectively arranged on bottom plate 2；The arch includes top bar arch 10 and middle step arch 11, top bar arch 10
The upper of nodal connection device 12 is connected to by the way that the bolt hole 9 of upper head plate 1 and bottom plate 2 is arranged in respectively with middle step arch 11
The surface of end plate 1 and bottom plate 2；It is fixed between the outer end plate 3 and inner end plate 4 or between the first supporting rib of any two 5
Second supporting rib 13 is installed；Second supporting rib 13 is provided with 2~10；The lock foot anchor tube 7 passes through outer end plate 3
It is socketed with the central circular through hole being arranged on inner end plate 4 through the outer end plate 3 and inner end plate 4 and anchor pole 6 of nodal connection device 12,
Anchor pole 6 is socketed in lock foot anchor tube 7, and lock foot anchor tube 7 is vertical with top bar arch 10 and middle step arch 11.
In actual use, tunnel excavation is carried out first, preliminary bracing is performed, according to the actual demand of construction, in factory
Pre- lockmaking foot anchor tube and being tightly fastened is connected on nodal connection device 12 in advance, in production, in nodal connection device 12
Between the front and back end plate in portion, the second supporting rib 13 is closely welded between the first supporting rib 5, to enhance nodal connection device 12
Intensity；It bores on country rock slightly larger than after seamless steel pipe diametric hole, by the lock foot anchor tube 7 on the nodal connection device 12 being connected to,
It is inserted into the hole being drilled on country rock, then the upper head plate 1 in top bar arch 10 and nodal connection device 12 is fixed into company with bolt
It connects, after excavation of getting out of a predicament or an embarrassing situation, middle step arch 11 is fixedly connected with the bottom plate 2 in nodal connection device 12 with bolt, so
Afterwards, lock foot anchor tube is socketed with anchor pole 6, keeps lock foot anchor tube 7 vertical with arch, sets prestressed anchor and slip casing by pressure, to
Prestressed concrete is up to state standards after the defined prestressing force grouted anchor bar concrete strength that can carry out prestressed stretch-draw, into
Row prestressed stretch-draw.
The utility model can effectively improve shearing resistance bending stiffness, undertake hole week arch and cut by increasing lock foot anchor tube diameter
Line pressure, limitation preliminary bracing hole circumferential direction displacement；By placing deep wall rock anchor pole, can effectively be provided before inverted arch is closed disconnected
Face diameter limits the displacement of preliminary bracing radial direction to country rock deep constraint power；By passing through integrated design of node, valid link
Arch-lock foot anchor tube-anchor pole, easy construction, stress is clear, can play predictive role.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute in the utility model embodiment
It is only used for explaining in relative positional relationship, the motion conditions etc. under a certain particular pose (as shown in the picture) between each component, such as
When the fruit particular pose changes, then directionality instruction also correspondingly changes correspondingly.
In addition, the description for being related to " first ", " second " etc. in the present invention is used for description purposes only, and cannot understand
For its relative importance of indication or suggestion or implicitly indicate the quantity of indicated technical characteristic.Define as a result, " first ",
The feature of " second " can explicitly or implicitly include at least one of the features.
Technical solution between each embodiment can be combined with each other, but must be with those of ordinary skill in the art's energy
It is enough realize based on, will be understood that the knot of this technical solution when conflicting or cannot achieve when occurs in the combination of technical solution
Conjunction is not present, also not within the protection scope of the requires of the utility model.
Claims (10)
1. a kind of novel combined lock foot anchoring stock node apparatus includes at least arch, lock foot anchor tube (7) and anchor pole (6), feature
It is: further includes nodal connection device (12)；Nodal connection device (12) includes at least two opposite and parallel surfaces, two groups of arches
The surface vertical removable opposite and parallel with nodal connection device (12) two connects frame respectively, and the lock foot anchor tube (7) passes through
It wears nodal connection device (12) and anchor pole (6) to be socketed, lock foot anchor tube (7) is vertical with arch.
2. a kind of novel combined lock foot anchoring stock node apparatus as described in claim 1, it is characterised in that: the anchor pole
(6) it is socketed in lock foot anchor tube (7), the internal diameter of the lock foot anchor tube (7) is 42mm~200mm.
3. a kind of novel combined lock foot anchoring stock node apparatus as claimed in claim 1 or 2, it is characterised in that: the anchor
Bar (6) and lock foot anchor tube (7) are provided at least 2 groups on nodal connection device (12).
4. a kind of novel combined lock foot anchoring stock node apparatus as described in claim 1, it is characterised in that: the node connects
Connection device (12) includes upper head plate (1), bottom plate (2), outer end plate (3), inner end plate (4) and the first supporting rib (5)；Described is upper
End plate (1) and bottom plate (2) are connected by the first supporting rib (5), outer end plate (3) and inner end plate (4) is separately fixed at and upper end
On the adjacent and vertical opposite flank of plate (1), upper head plate (1) and bottom plate (2) are detachably connected with two groups of arches respectively, outside
Coaxial circular through hole is provided on end plate (3) and inner end plate (4), lock foot anchor tube (7) runs through outer end plate (3) and inner end plate (4)
Upper coaxial circular through hole.
5. a kind of novel combined lock foot anchoring stock node apparatus as claimed in claim 4, it is characterised in that: the upper head plate
(1), bottom plate (2), outer end plate (3) and inner end plate (4) are rectangle, upper head plate (1) and bottom plate (2) by being separately positioned on
Four first supporting ribs (5) at four angles of rectangle are fixedly connected, upper head plate (1), bottom plate (2), outer end plate (3) and inner end plate
(4) rectangular frame structure is connected and composed.
6. a kind of novel combined lock foot anchoring stock node apparatus as described in claim 4 or 5, it is characterised in that: described is outer
It is fixedly installed with the second supporting rib (13) between end plate (3) and inner end plate (4) or between the first supporting rib of any two (5).
7. a kind of novel combined lock foot anchoring stock node apparatus as claimed in claim 6, it is characterised in that: described second
Support muscle (13) is provided with 2~10.
8. a kind of novel combined lock foot anchoring stock node apparatus as described in claim 4 or 5, it is characterised in that: described is outer
It is further fixed on strengthening segment force bearing ring (8), is provided on outer end plate (3) and strengthening segment force bearing ring (8) outer diameter is matched holds on end plate (3)
Power ring fixation hole, strengthening segment force bearing ring (8) are fixed in force bearing ring fixation hole.
9. a kind of novel combined lock foot anchoring stock node apparatus as claimed in claim 8, it is characterised in that: the strengthening segment
Through-hole in force bearing ring (8) is the circular through hole locked foot anchor tube (7) and run through outer end plate (3).
10. a kind of novel combined lock foot anchoring stock node apparatus as claimed in claim 4, it is characterised in that: the upper end
The center of plate (1) and bottom plate (2) is provided with the rectangular channel of a perforation, on the outside of the rectangular channel of upper head plate (1) and bottom plate (2) also
It is respectively arranged with bolt hole (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821106479.7U CN208486907U (en) | 2018-07-12 | 2018-07-12 | A kind of novel combined lock foot anchoring stock node apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821106479.7U CN208486907U (en) | 2018-07-12 | 2018-07-12 | A kind of novel combined lock foot anchoring stock node apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208486907U true CN208486907U (en) | 2019-02-12 |
Family
ID=65246259
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821106479.7U Expired - Fee Related CN208486907U (en) | 2018-07-12 | 2018-07-12 | A kind of novel combined lock foot anchoring stock node apparatus |
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| CN (1) | CN208486907U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108678791A (en) * | 2018-07-12 | 2018-10-19 | 西安科技大学 | A kind of novel combined lock foot anchoring stock node apparatus |
-
2018
- 2018-07-12 CN CN201821106479.7U patent/CN208486907U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108678791A (en) * | 2018-07-12 | 2018-10-19 | 西安科技大学 | A kind of novel combined lock foot anchoring stock node apparatus |
| CN108678791B (en) * | 2018-07-12 | 2024-05-28 | 西安科技大学 | Novel combined type lock foot stock node device |
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Granted publication date: 20190212 Termination date: 20190712 |