CN202039487U - Guide rope pulley mechanism and building curtain wall fixing device - Google Patents
Guide rope pulley mechanism and building curtain wall fixing device Download PDFInfo
- Publication number
- CN202039487U CN202039487U CN201120121136XU CN201120121136U CN202039487U CN 202039487 U CN202039487 U CN 202039487U CN 201120121136X U CN201120121136X U CN 201120121136XU CN 201120121136 U CN201120121136 U CN 201120121136U CN 202039487 U CN202039487 U CN 202039487U
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- curtain wall
- cable wire
- guide wheel
- bearing
- dragline
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Abstract
The utility model discloses a guide rope pulley mechanism and a building curtain wall fixing device. The guide rope pulley mechanism comprises a fixing base which is provided with an opening groove and one or two guide wheels which are arranged in the opening groove, wherein the guide wheels are in rotation type connection with the fixing base. The guide rope pulley mechanism is used for vertical wire ropes, namely a straight line, which can also be a horizontal wire rope. When the vertical rope stresses on the either side of the guide wheels and moves vertically after being subjected to external force, the guide wheels can rotate along with the vertical wire ropes, when the external force disappears, the guide wheels is rebounded to an original position. The wire ropes are changed into rolling friction at supporting points, when sector wheels are adopted, contact areas between the wire ropes and the guide wheels are increased in limited structural space, and stress state of the wire ropes is improved. Moreover, the guide wheels are made of materials including aluminum, copper or engineering plastics and the like which are softer than the wire ropes, and further abrasion of the wire ropes are reduced as much as possible.
Description
Technical field
The utility model relates to the mechanism that a kind of drag-line to building curtain wall (being cable wire) leads, can be good at handling the connectivity problem between cable wire and the agent structure, the building curtain wall that is used for drag-line, can play good guide-localization effect and can eliminate each other stressing influence of cable wire and agent structure (being the structural member main body) (be that agent structure is out of shape up and down and is not influenced cable wire, slippage does not influence agent structure yet about the cable wire) cable wire.
Background technology
In the prior art, in the crossover node part of handling cable wire and agent structure, all be directly to be fixed on the agent structure by anchor clamps, like this in the coupling part of cable wire and anchor clamps, the damage cable wire perhaps disconnects cable wire up and down easily, is separately fixed at the agent structure top and the bottom at crossover node place, make cable wire can't adapt to the distortion of agent structure, agent structure also is subjected to the influence of cable wire easily simultaneously.
Owing to curtain walls such as glass are being carried out drag-line fixedly the time, the diameter of cable wire is big, and (cable wire need produce tens of extremely prefastening forces of hundreds of tons, could produce certain rigidity), it is led or fixedly the time, the mechanism that is adopted need take very big space, and when cable wire passed agent structure, also should consider to reserve the aperture on the agent structure can not be too big, otherwise can reduce the intensity of agent structure.
The inventor proposes the technical solution of the utility model, to solve above-mentioned many problems at above-mentioned defective of the prior art.
The utility model content
The purpose of this utility model is to overcoming the defective of prior art, and provide a kind of dragline wheel mechanism with guide wheel, this guiding mechanism is when cable curtain wall bears huge blast, cable wire can produce the displacement of above-below direction, and do not influence the stressed of agent structure, and during the upper and lower displacement of cable wire, its supporting-point is positioned on the bigger guide wheel of contact surface all the time, can not produce destructive influences to cable wire.
Further purpose of the present utility model is to provide a kind of building curtain wall fastening devices that is made of the dragline wheel mechanism.
For achieving the above object, the utility model is by the following technical solutions:
The dragline wheel mechanism comprises the holder that is provided with open slot, is located at the guide wheel in the open slot, and guide wheel is rotary the connection with holder, and described guide wheel is one or two.Described rotary connection can be that pin type connects (realizing by independent bearing pin) or shaft hole mode connects (two ends that are guide wheel self are provided with monolithic or split type axial region, and holder is provided with the hole portion that cooperates with axial region).
Its further technical scheme is: described holder comprises two side plates being located at the guide wheel two ends and is used for fixing the base plate of two side plates, and described base plate is provided with U type groove, and the space between described U type groove and two side plates constitutes aforesaid open slot.
Its further technical scheme is: described guide wheel is provided with centre bore, is provided with the bearing pin that is fixed on the side plate in the described centre bore.
Its further technical scheme is: described guide wheel is sectional wheel (being that the cross section is fan-shaped segment), two scallops of described sectional wheel are provided with spring eye, spring eye is provided with back-moving spring, and the outside of described guide wheel is provided with spring-support plate, and described spring-support plate and side plate are fixedly connected.
Its further technical scheme is: the cylindrical of described guide wheel is the circular shape of indent, and described guide wheel is aluminium, copper material or engineering plastics.
Its further technical scheme is: described holder is provided with two base plates, comprise upper plate and lower shoe, also comprise the lower thrust-bearing of being located at the lower shoe below, the up-thrust bearing of being located at the upper plate top, and be used for the frame type body of ccontaining holder, lower thrust-bearing and up-thrust bearing, the bottom of described frame body and structural member main body screw thread are fixedly connected, and the upper end of frame body is provided with trip bolt and the locking nut that is used for pretension up-thrust bearing, holder and lower thrust-bearing.Thrust bearing wherein also can change conical bearing into.
Its further technical scheme is: the upper surface of described up-thrust bearing is provided with backing plate, described upper plate is provided with the upper plate deep gouge that is used to locate up-thrust bearing, described lower shoe is provided with the lower shoe deep gouge that is used to locate lower thrust-bearing, and the bottom of described frame body is provided with 2～6 screw mounting holes and screw counter bore.
The building curtain wall fastening devices comprises that two ends are fixed in the cable wire of structural member main body, and the dragline wheel mechanism that cable wire is positioned, and described dragline wheel mechanism is fixed in the structural member main body.
Its further technical scheme is: described structural member main body is the steel work main body, described building curtain wall is the cable curtain wall of vertical up and down or left and right horizontal direction, the two ends of cable wire are separately fixed at the two ends up and down or the two ends, the left and right sides of steel work main body, and described dragline wheel mechanism is fixed in the stage casing of steel work main body.
Its further technical scheme is: the stage casing of described steel work main body is provided with the large aperture steel pipe, and described steel pipe is provided with the fixed head that is used for fixing the dragline wheel mechanism; Described building curtain wall is a curtain wall; Also comprise the clamping component that is used for fixing curtain wall, described clamping component comprise the channel that is used for fixing the curtain wall end and be located at channel one side chuck, described chuck and cable wire are fixedly connected, and described chuck comprises the collet body that is fixedly connected with channel, the trip bolt that is used to compress the briquetting of cable wire and is used for fastening briquetting and collet body; Described collet body is the split-type structural of thread connection.
The utility model beneficial effect compared with prior art is: it (is that cable wire is a straight line that the dragline wheel mechanism of the utility model is used for vertical cable wire, also can be horizontal cable wire), when vertical cable wire is subjected to after the external force any side guide wheel exerted pressure and moves up and down, guide wheel can rotate thereupon, when the external force disappearance, guide wheel is pop into position again; Make cable wire become rolling friction at supporting-point, when adopting sectional wheel, can in limited structure space, increase the contact area of cable wire and guide wheel, can improve the stress of cable wire, and guide wheel is adopted the materials such as aluminium, copper material or engineering plastics softer than cable wire, to reduce the wearing and tearing of cable wire as much as possible.The dragline wheel mechanism of the utility model also can be used for the positioning and guiding of corner cable wire (being about to the corner that guiding mechanism is installed in cable wire horizontal direction and vertical direction), and only need a guide wheel owing to be one-sided stressed this moment.Also can be provided with thrust bearing at the upper and lower side of guide wheel, the direction of two guide wheels can be changed along with the suffered external force direction of cable wire, such as this vertical cable wire securing supports that is two orthogonal building curtain walls, about it is subjected to force direction not simple or fore-and-aft direction, may be to mix oblique angle direction afterwards, this moment guide wheel by the rotation of self adapting to the variation of this angle, the application life that can improve guide wheel, and reduce the wearing and tearing of cable wire.
Below in conjunction with the drawings and specific embodiments the utility model is further described.
Description of drawings
Fig. 1 is the front view of the utility model dragline wheel mechanism specific embodiment one;
Fig. 2 is the left view of Fig. 1;
Fig. 3 is the vertical view of Fig. 1;
Fig. 3 A is the vertical view of the holder in embodiment illustrated in fig. 1;
Fig. 4 is the B-B sectional view of Fig. 3;
Fig. 5 is the A-A sectional view of Fig. 1;
When passing guiding mechanism for cable wire, Fig. 6 is not subjected to the schematic diagram of external force effect;
Fig. 7 is subjected to external force left and contact the schematic diagram of generation to bottom offset with the left side guide wheel for the cable wire in embodiment illustrated in fig. 1;
Fig. 7 A is the guide wheel size schematic diagram in embodiment illustrated in fig. 1;
Fig. 8 is a three-dimensional structure diagram one embodiment illustrated in fig. 1;
Fig. 9 is a three-dimensional structure diagram two (hiding one of them side plate) embodiment illustrated in fig. 1;
Figure 10 is the sectional structure chart of the utility model dragline wheel mechanism specific embodiment two;
Figure 11 is the mounting structure schematic diagram of the utility model dragline wheel mechanism (guide wheel is a cylindrical structure) specific embodiment three;
Figure 12 is the sectional structure chart (wherein the central modules such as cable wire of A section part are not cut open, and the central module complete sections such as cable wire of B section part are opened) of the utility model building curtain wall fastening devices specific embodiment.
Description of reference numerals
1 holder, 10 open slots
11 side plates, 12 base plates
12A upper plate 12B lower shoe
120 U type grooves, 121 upper plate deep gouges
122 lower shoe deep gouge 2A guide wheels (cylinder formula)
2 guide wheels, 20 centre bores
21 bearing pins, 22 spring eyes
23 back-moving spring S dragline wheel mechanisms
3 spring-support plates, 4 cable wires
51 up-thrust bearings, 52 lower thrust-bearings
6 frame type bodies, 7 steel colored ribbons
71 steel pipes, 72 fixed heads
8 curtain walls, 81 trip bolts
82 locking nuts, 83 backing plates
9 clamping components, 91 channels
92 chucks, 921 collet bodies
922 briquettings, 923 trip bolts
931 seals, 93 gusset pieces
The specific embodiment
In order to more fully understand technology contents of the present utility model, below in conjunction with specific embodiment the technical solution of the utility model is further introduced and explanation, but be not limited to this.
To shown in Figure 9, the utility model dragline wheel mechanism comprises the holder 1 that is provided with open slot 10, is located at the guide wheel 2 in the open slot 10 as Fig. 1, and guide wheel 2 is rotary the connection with holder 1, and guide wheel 2 is two.In the present embodiment, holder is split type weldment structure, is made of two side plates 11 of being located at guide wheel 2 two ends and the base plate 12 that is used for fixing two side plates 11.Base plate 12 is provided with U type groove 120, and the space between U type groove 120 and two side plates 11 constitutes aforesaid open slot 10.Guide wheel 2 is provided with centre bore 20, is provided with the bearing pin 21 that is fixed on the side plate 11 in the centre bore 20.Guide wheel 2 is sectional wheel (being that the cross section is fan-shaped segment), and two scallops of sectional wheel are provided with spring eye 22, and spring eye 22 is provided with back-moving spring 23, and the outside of guide wheel 2 is provided with spring-support plate 3, and spring-support plate 3 is fixedly connected with side plate 11.The cylindrical of guide wheel 2 is the circular shape of indent, and increasing the contact area of guide wheel 2 and cable wire 4, guide wheel 2 is the material softer than cable wire 4, such as aluminium, copper material or engineering plastics.
In the present embodiment structure, as shown in Figure 6, under the situation that is not subjected to external force, the deadweight by back-moving spring 23 opposing guide wheels 2 prevents that guide wheel 2 from just rotating when not stressing.When cable wire is in as shown in Figure 7 the position, under level load action left, contact with the guide wheel on the left side, cause the distortion of cable wire, make guide wheel 2 around bearing pin 21 rotations simultaneously, thereby stretch, compression back-moving spring up and down.
The diameter of cable wire is 40mm in the present embodiment, and distance minimum between two guide wheels is 42mm, and when cable wire passed between the dragline, 1mm was respectively stayed on both sides between guide wheel and cable wire.The distance of the distance of center circle bearing pin 21 of guide wheel 2 circular arcs is 50mm, shown in Fig. 7 A.When cable wire was subjected to left wind load of level, cable wire contacted with the guide wheel on the left side, and cable wire moves down simultaneously, and drive guide wheel and be rotated down around bearing pin, as shown in Figure 7,15 ° of guide wheel rotations, 6 ° of cable wire deflections.When horizontal blast was removed, the cable wire reinstatement linearly and with guide wheel broke away from, and guide wheel restores to the original state by the effect of back-moving spring, is shown in Figure 6.
The utility model dragline wheel mechanism is except being used on the linear cable curtain wall, can also be used on the cable curtain wall or cable truss of corner type, corner at the cable curtain wall or the cable truss cable wire of corner type, can utilize guide wheel that cable wire is carried out guide-localization, this kind situation can have only a guide wheel, to reduce physical dimension.
As another embodiment, the utility model dragline wheel mechanism can be set up thrust bearing (also can change conical bearing as required into) at the holder upper and lower side, so that guide wheel can be adjusted its angle according to the force direction that is subjected to of cable wire.That is: holder 1 is provided with two base plates, comprise upper plate 12A and lower shoe 12B, also comprise the lower thrust-bearing 52 of being located at lower shoe 12B below, the up-thrust bearing 51 of being located at upper plate 12A top, and be used for the frame type body 6 of ccontaining holder 1, lower thrust-bearing 52 and up-thrust bearing 51, the bottom of frame body 6 and structural member main body screw thread are fixedly connected, and the upper end of frame body 6 is provided with trip bolt 81 and the locking nut 82 that is used for pretension up-thrust bearing 51, holder 1 and lower thrust-bearing 52.The upper surface of up-thrust bearing 51 is provided with backing plate 83, upper plate 12A is provided with the upper plate deep gouge 121 that is used to locate up-thrust bearing 51, lower shoe 12B is provided with the lower shoe deep gouge 122 that is used to locate lower thrust-bearing 52, the bottom of frame body 6 is provided with 2～6 screw mounting holes and screw counter bore, to realize that screw is fixed on frame body on the fixed head 72 of structural member main body in the counterbore mode.The inboard, bottom of frame body 6 also can be provided with and be used for deep gouge structure (this structure is higher to matching requirements) that lower thrust-bearing 52 is positioned, also can increase frictional force (this structure can be adjusted the mutual alignment of lower thrust-bearing and frame body when assembling) by the corrugated surface that is provided with.And upper and lower thrust bearing should adopt enough big bearing for the radial load that can bear the cable wire transmission, also can adopt taper roll bearing.In the present embodiment, the structural member main body that is used for fixing the dragline wheel mechanism is bigbore steel pipe 71 (steel pipe is provided with an opening, so that pack the dragline wheel mechanism into), is welded with fixed head 72 at steel pipe 71.The dragline wheel mechanism also can be fixed in the position of other form of structure of structural member main body, in the inner chamber such as the box section of structural member main body.
Figure 11 is the mounting structure schematic diagram of the utility model dragline wheel mechanism specific embodiment three, and guide wheel 2A wherein is a cylindrical structure, and do not need to adopt back-moving spring to reset this moment.
The utility model building curtain wall fastening devices, as shown in figure 12, comprise that two ends are fixed in the cable wire 4 (vertical direction) at structural member main body (the normally bottom of structural member main body and top), and the dragline wheel mechanism S that cable wire 4 is positioned, dragline wheel mechanism S is fixed in structural member main body (normally in the intermediate layer of structural member main body, such as structures such as crossbeam, horizontal skeletons).Also promptly: in the present embodiment, the structural member main body is the steel work main body, building curtain wall is the cable curtain wall of vertical direction up and down, the two ends of cable wire are separately fixed at the top and bottom of steel work main body, the dragline wheel mechanism is fixed in the stage casing (in the present embodiment, the dragline wheel mechanism S at same position has two) of steel work main body.Be provided with large aperture steel pipe 71 in the stage casing of steel work main body, steel pipe 71 is provided with the fixed head 72 that is used for fixing the dragline wheel mechanism; Building curtain wall is a curtain wall 8; Also comprise the clamping component 9 that is used for fixing curtain wall 8, clamping component 9 comprises channel 91 that is used for fixing curtain wall 8 ends and the chuck 92 of being located at channel 91 1 sides, chuck 92 is fixedly connected with cable wire 4, and chuck 92 comprises the collet body 921 that is fixedly connected with channel 91, be used to compress the briquetting 922 of cable wire 4 and be used for the trip bolt 923 of fastening briquetting 922 and collet body 921; Collet body 921 wherein is the split-type structural of thread connection.In the embodiment of Figure 12, between channel 91 and the steel construction piece main body movable supporting construction, promptly on the steel construction piece main body, be provided with gusset piece 93, one end of this gusset piece 93 is embedded in the groove of channel 91, be provided with seal 931 between gusset piece 93 and the channel 91, can realize the sealed attachment of floating type (promptly movable) between steel construction piece main body and the curtain wall 8, also promptly between curtain wall 8 and steel construction piece main body, can there be a certain amount of displacement, and do not influence the relation of sealed attachment, also can not produce destructive influences because of reasons such as distortion.In the embodiment of Figure 12, the end of steel pipe 71 has adopted the thick galvanized steel plain sheet of 1.5mm as shrouding 94, the color and the steel colored ribbon 7 of galvanized steel sheet surface spraying (are a kind of common structure in steel construction piece main body stage casing, existing beauty function, play the load-bearing effect again) unanimity, keep the external surface color and luster unified.Adopt the elastic adhesive tape sealing between shrouding 94 and the cable wire, prevent that friction from destroying cable wire.
In sum, the dragline wheel mechanism of the utility model is used for vertical cable wire (being that cable wire is a straight line, also can be horizontal cable wire), when vertical cable wire is subjected to after the external force any side guide wheel exerted pressure and moves up and down, guide wheel can rotate thereupon, and when the external force disappearance, guide wheel is pop into position again; Make cable wire become rolling friction at supporting-point, when adopting sectional wheel, can in limited structure space, increase the contact area of cable wire and guide wheel, can improve the stress of cable wire, and guide wheel is adopted the materials such as aluminium, copper material or engineering plastics softer than cable wire, to reduce the wearing and tearing of cable wire as much as possible.The dragline wheel mechanism of the utility model also can be used for the positioning and guiding of corner cable wire (being about to the corner that guiding mechanism is installed in cable wire horizontal direction and vertical direction), and only need a guide wheel owing to be one-sided stressed this moment.Also can be provided with thrust bearing at the upper and lower side of guide wheel, the direction of two guide wheels can be changed along with the suffered external force direction of cable wire, such as this vertical cable wire securing supports that is two orthogonal building curtain walls, about it is subjected to force direction not simple or fore-and-aft direction, may be to mix oblique angle direction afterwards, this moment guide wheel by the rotation of self adapting to the variation of this angle, the application life that can improve guide wheel, and reduce the wearing and tearing of cable wire.
The above only further specifies technology contents of the present utility model with embodiment; so that the reader is more readily understood; but do not represent embodiment of the present utility model to only limit to this, any technology of doing according to the utility model is extended or recreation, all is subjected to protection of the present utility model.Protection domain of the present utility model is as the criterion with claims.
Claims (10)
1. dragline wheel mechanism, its feature comprise the holder that is provided with open slot, are located at the guide wheel in the open slot, and guide wheel is rotary the connection with holder, and described guide wheel is one or two.
2. dragline wheel mechanism according to claim 1, it is characterized in that described holder comprises two side plates being located at the guide wheel two ends and the base plate that is used for fixing two side plates, described base plate is provided with U type groove, and the space between described U type groove and two side plates constitutes aforesaid open slot.
3. dragline wheel mechanism according to claim 2 is characterized in that described guide wheel is provided with centre bore, is provided with the bearing pin that is fixed on the side plate in the described centre bore.
4. dragline wheel mechanism according to claim 3, it is characterized in that described guide wheel is a sectional wheel, two scallops of described sectional wheel are provided with spring eye, and spring eye is provided with back-moving spring, the outside of described guide wheel is provided with spring-support plate, and described spring-support plate and side plate are fixedly connected.
5. according to each described dragline wheel mechanism of claim 2 to 4, the cylindrical that it is characterized in that described guide wheel is the circular shape of indent, and described guide wheel is aluminium, copper material or engineering plastics.
6. dragline wheel mechanism according to claim 5, it is characterized in that described holder is provided with two base plates, comprise upper plate and lower shoe, also comprise the lower bearing of being located at the lower shoe below, the upper bearing (metal) of being located at the upper plate top, and be used for the frame type body of ccontaining holder, lower bearing and upper bearing (metal), the bottom of described frame body and structural member main body screw thread are fixedly connected, and the upper end of frame body is provided with trip bolt and the locking nut that is used for pretension upper bearing (metal), holder and lower bearing.
7. dragline wheel mechanism according to claim 6, the upper surface that it is characterized in that described upper bearing (metal) is provided with backing plate, described upper plate is provided with the upper plate deep gouge that is used to locate upper bearing (metal), described lower shoe is provided with the lower shoe deep gouge that is used to locate lower bearing, and the bottom of described frame body is provided with 2～6 screw mounting holes and screw counter bore; Described upper bearing (metal), lower bearing are thrust bearing or conical bearing.
8. building curtain wall fastening devices is characterized in that comprising that two ends are fixed in the cable wire of structural member main body, and to cable wire position as each described dragline wheel mechanism of claim 1～7, described dragline wheel mechanism is fixed in the structural member main body.
9. building curtain wall fastening devices according to claim 8, it is characterized in that described structural member main body is the steel work main body, described building curtain wall is the cable curtain wall of vertical up and down or left and right horizontal direction, the two ends of cable wire are separately fixed at the two ends up and down or the two ends, the left and right sides of steel work main body, and described dragline wheel mechanism is fixed in the stage casing of steel work main body.
10. building curtain wall fastening devices according to claim 9 is characterized in that the stage casing of described steel work main body is provided with the large aperture steel pipe, and described steel pipe is provided with the fixed head that is used for fixing the dragline wheel mechanism; Described building curtain wall is a curtain wall; Also comprise the clamping component that is used for fixing curtain wall, described clamping component comprise the channel that is used for fixing the curtain wall end and be located at channel one side chuck, described chuck and cable wire are fixedly connected, and described chuck comprises the collet body that is fixedly connected with channel, the trip bolt that is used to compress the briquetting of cable wire and is used for fastening briquetting and collet body; Described collet body is the split-type structural of thread connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120121136XU CN202039487U (en) | 2011-04-22 | 2011-04-22 | Guide rope pulley mechanism and building curtain wall fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120121136XU CN202039487U (en) | 2011-04-22 | 2011-04-22 | Guide rope pulley mechanism and building curtain wall fixing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202039487U true CN202039487U (en) | 2011-11-16 |
Family
ID=44966936
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120121136XU Expired - Fee Related CN202039487U (en) | 2011-04-22 | 2011-04-22 | Guide rope pulley mechanism and building curtain wall fixing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202039487U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102561516A (en) * | 2012-03-21 | 2012-07-11 | 中国民航大学 | Sphere joint fixing support with effect of relieving internal force of stay rope |
| CN102587500A (en) * | 2012-03-21 | 2012-07-18 | 中国民航大学 | Spherical joint sliding support with effect of relieving internal force of guy cable |
| CN115182556A (en) * | 2022-08-17 | 2022-10-14 | 中建八局第一建设有限公司 | Outer wall decoration device for well |
-
2011
- 2011-04-22 CN CN201120121136XU patent/CN202039487U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102561516A (en) * | 2012-03-21 | 2012-07-11 | 中国民航大学 | Sphere joint fixing support with effect of relieving internal force of stay rope |
| CN102587500A (en) * | 2012-03-21 | 2012-07-18 | 中国民航大学 | Spherical joint sliding support with effect of relieving internal force of guy cable |
| CN115182556A (en) * | 2022-08-17 | 2022-10-14 | 中建八局第一建设有限公司 | Outer wall decoration device for well |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111116 Termination date: 20200422 |