CN211646975U - Retarded adhesive prestressed steel strand connector - Google Patents
Retarded adhesive prestressed steel strand connector Download PDFInfo
- Publication number
- CN211646975U CN211646975U CN201921614654.8U CN201921614654U CN211646975U CN 211646975 U CN211646975 U CN 211646975U CN 201921614654 U CN201921614654 U CN 201921614654U CN 211646975 U CN211646975 U CN 211646975U
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- Prior art keywords
- steel strand
- sleeve
- extrusion
- connecting sleeve
- connector
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 123
- 239000010959 steel Substances 0.000 title claims abstract description 123
- 239000000853 adhesive Substances 0.000 title description 5
- 230000001070 adhesive effect Effects 0.000 title description 5
- 238000001125 extrusion Methods 0.000 claims description 92
- 238000009434 installation Methods 0.000 claims description 28
- 238000000034 method Methods 0.000 abstract description 7
- 230000009471 action Effects 0.000 abstract description 5
- 230000008878 coupling Effects 0.000 description 16
- 238000010168 coupling process Methods 0.000 description 16
- 238000005859 coupling reaction Methods 0.000 description 16
- 238000007789 sealing Methods 0.000 description 7
- 230000006835 compression Effects 0.000 description 6
- 238000007906 compression Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 230000001681 protective effect Effects 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000011218 segmentation Effects 0.000 description 4
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000004873 anchoring Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
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Abstract
The utility model provides a slow bonding prestressing force steel strand wires connector relates to steel strand wires auxiliary assembly technical field. The method comprises the following steps: a connecting sleeve; one end of the first connecting component is detachably connected with one end of the connecting sleeve, and the other end of the first connecting component is used for assembling a first steel strand; one end of the second connecting assembly is detachably connected with the other end of the connecting sleeve, and the other end of the second connecting assembly is used for assembling a second steel strand; the sheath is sleeved on the first connecting assembly, the connecting sleeve and the second connecting assembly. The utility model discloses simple structure effectively realizes the guard action, prevents that mud from getting into overall structure's junction, guarantees the stability of junction assembly, prevents that steel strand wires from droing.
Description
Technical Field
The utility model relates to a steel strand wires auxiliary assembly technical field particularly, relates to a slow bonding prestress wire connector.
Background
The slow bonding prestress is a new structure technology developed at home and abroad in recent years, and is commonly used in engineering of large-span beams, railways, roads, road bridges and the like of industrial and civil buildings; the slow bonding prestress is that the prestressed steel strand is free in stretching deformation and does not bond with the surrounding slow-setting adhesive in the construction stage, and the prestressed reinforcement is bonded with the surrounding concrete through the cured slow-setting adhesive in a predetermined period after the construction is finished.
In the slow bonding prestress wire application, the segmentation stretch-draw prestress wire that can't use the steel strand connector to carry out prestress wire has been avoided, relate to the connection of two steel strands in the segmentation stretch-draw process, current steel strand connector adopts clip formula prestressing force muscle connector usually, easily get into mud between clamping piece in the clip formula connector and the connector during nevertheless construction, the clamping piece can not effectively press from both sides tight steel strand when leading to stretch-draw steel strand, steel strand is easily pulled off at the stretch-draw in-process, can't form effective prestressing force, influence construction quality.
SUMMERY OF THE UTILITY MODEL
For solving among the prior art clamping piece steel strand wires connector because of the technical problem that mud gets into can not effectively press from both sides tight steel strand wires, the utility model discloses a main aim at provides a prestressing force steel strand wires connector slowly that bonds of firm in connection in the steel strand wires connection process.
The embodiment of the utility model provides a slow bonding prestressing force steel strand wires connector, include: a connecting sleeve;
one end of the first connecting component is detachably connected with one end of the connecting sleeve, and the other end of the first connecting component is used for assembling a first steel strand;
one end of the second connecting assembly is detachably connected with the other end of the connecting sleeve, and the other end of the second connecting assembly is used for assembling a second steel strand;
the sheath is sleeved on the first connecting assembly, the connecting sleeve and the second connecting assembly.
Further, in a preferred embodiment of the present invention,
the first connecting assembly comprises a first extrusion sleeve, one end of the first extrusion sleeve is used for being connected with the connecting sleeve, and the other end of the first extrusion sleeve is provided with a first installation cavity for assembling the first steel strand;
the second connecting assembly comprises a second extrusion sleeve, one end of the second extrusion sleeve is used for being connected with the connecting sleeve, and the other end of the second extrusion sleeve is provided with a second installation cavity used for assembling the second steel strand.
Further, in a preferred embodiment of the present invention,
a first extrusion spring is assembled in the first installation cavity and sleeved on the first steel strand;
and a second extrusion spring is assembled in the second mounting cavity and sleeved on the second steel stranded wire.
Further, in a preferred embodiment of the present invention,
the end surface of the first extrusion spring and the end surface of the first steel strand are abutted against the inner wall of the end part of the first installation cavity;
and the end surface of the second extrusion spring and the end surface of the first steel strand are abutted against the inner wall of the end part of the second installation cavity.
Further, in a preferred embodiment of the present invention, the first mounting cavity and the second mounting cavity extend a predetermined distance.
And one end of the second extrusion sleeve, which is used for assembling the second steel strand, extends for a preset distance.
Further, in a preferred embodiment of the present invention, the first extruding sleeve and the second extruding sleeve are used for connecting with the connecting sleeve, and one end of the first extruding sleeve and one end of the second extruding sleeve are both provided with a first thread, the inner wall of the connecting sleeve is provided with a second thread corresponding to the first thread, and the first extruding sleeve and the second extruding sleeve are both connected with the connecting sleeve in a spiral manner.
Further, in a preferred embodiment of the present invention, the sheath includes: a first end proximate the first extrusion jacket and a second end proximate the second extrusion jacket;
the end face of the first end is coplanar with the end face of the first extrusion sleeve, and the end face of the second end has a preset distance with the end face of the second extrusion sleeve.
Further, in a preferred embodiment of the present invention, the protective cover further comprises a cover, and the cover is disposed on the first end and the second end of the protective cover.
Further, in a preferred embodiment of the present invention, the first connecting member and the second connecting member are symmetrically disposed about a center line of the connecting sleeve in a radial direction.
The embodiment of the utility model provides a pair of slow bonding prestressing force steel strand wires connector has set up first connecting elements and second coupling assembling and is connected with connecting sleeve's both ends respectively to make first connecting elements, connecting sleeve and second coupling assembling constitute an overall structure, moreover, the steam generator is simple in structure, and simultaneously, first connecting elements is used for assembling first steel strand wires, second coupling assembling is used for assembling second steel strand wires, realizes the assembly of being connected of first steel strand wires and second steel strand wires, the subsequent segmentation of being convenient for is opened and is drawn steel strand wires. In addition, through setting up the overall structure outside that the sheath suit constitutes in first coupling assembling, connecting sleeve and second coupling assembling, effectively realize the guard action, prevent that mud from getting into overall structure's junction, guarantee the stability of junction assembly, prevent that the steel strand wires from droing.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of a connector according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a connection sleeve according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a first connection assembly or a second connection assembly according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of the first extruding sleeve or the second extruding sleeve according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a first pressing spring or a second pressing spring according to an embodiment of the present invention;
fig. 6 is a front view of a sheath according to an embodiment of the present invention;
FIG. 7 is a side view of the corresponding sheath of FIG. 6;
fig. 8 is a schematic view of a closure according to an embodiment of the present invention;
fig. 9 is a side view of the corresponding closure of fig. 8.
Reference numerals:
1. connecting sleeve, 2, first coupling assembling, 21, first extrusion cover, 211, first installation cavity, 22, first extrusion spring, 3, second coupling assembling, 31, second extrusion cover, 311, second installation cavity, 32, second extrusion spring, 4, first steel strand wires, 5, second steel strand wires, 6, first screw thread, 7, sheath, 8, closing cap, 81, through-hole.
Detailed Description
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and that for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.
Most of the prestressed steel strand connectors commonly used in China at the present stage have the defects of excessive structural components, complex installation, inconvenient field operation and the like. As shown in fig. 1-9, the embodiment of the present invention provides a slow bonding prestressed steel strand connector, including: the steel wire rope comprises a connecting sleeve 1, a first connecting component 2, a second connecting component 3 and a sheath 7, wherein one end of the first connecting component 2 is detachably connected with one end of the connecting sleeve 1, and the other end of the first connecting component 2 is used for assembling a first steel strand 4; one end of the second connecting component 3 is detachably connected with the other end of the connecting sleeve 1, and the other end of the second connecting component 3 is used for assembling a second steel strand 5; the sheath 7 is sleeved on the first connecting component 2, the connecting sleeve 1 and the second connecting component 3. The embodiment of the utility model provides a pair of slow bonding prestressing force steel strand wires connector, it is connected with connecting sleeve 1's both ends respectively to have set up first connecting elements 2 and second coupling assembling 3, thereby make first connecting elements 2, connecting sleeve 1 and second coupling assembling 3 constitute an overall structure, moreover, the steam generator is simple in structure, and simultaneously, first connecting elements 2 are used for assembling first steel strand wires 4, second coupling assembling 3 is used for assembling second steel strand wires 5, realize the assembly of being connected of first steel strand wires 4 and second steel strand wires 5, be convenient for follow-up segmentation stretch-draw steel strand wires. In addition, through setting up the overall structure outside that the 7 suit of sheath is in first coupling assembling 2, connecting sleeve 1 and second coupling assembling 3 constitute, effectively realize the guard action, prevent that mud from getting into overall structure's junction, guarantee the stability of junction assembly, prevent that the steel strand wires from droing.
As shown in fig. 1 and 3-4, the first connecting member 2 and the second connecting member 3 are symmetrically disposed about a center line of the connecting sleeve 1 in a radial direction. The first connecting component 2 comprises a first extrusion sleeve 21, one end of the first extrusion sleeve 21 is used for being connected with the connecting sleeve 1, and the other end of the first extrusion sleeve 21 is provided with a first installation cavity 211 for assembling the first steel strand 4; the second connecting assembly 3 comprises a second extrusion sleeve 31, one end of the second extrusion sleeve 31 is used for being connected with the connecting sleeve 1, and the other end of the second extrusion sleeve 31 is provided with a second mounting cavity 311 for assembling the second steel strand 5. In the embodiment, the first extrusion sleeve 21 or the second extrusion sleeve 31 is arranged in a solid manner at one end for being connected with the connecting sleeve 1, and in the embodiment of the present application, the outer surface of the solid section of the first extrusion sleeve 21 or the second extrusion sleeve 31 is provided with a thread, so as to be convenient for screwing into the connecting sleeve 1; the other end of the first extrusion sleeve 21 or the second extrusion sleeve 31 is hollow (provided with a first mounting cavity 211 or a second mounting cavity 311).
The existing sleeve type steel strand connector in China is not tightly engaged with the contact surface of the connecting sleeve 1 at the anchoring end in the assembling process, and cannot bear the deformation caused by stretching of a steel strand, so that the steel strand and the connector are easy to fall off. As shown in fig. 3-4, in this embodiment, the steel strand is assembled into the first installation cavity 211 or the second installation cavity 311, and the first installation cavity 211 and the second installation cavity 311 both extend a preset distance, so that the steel strand can penetrate into the installation cavity by a certain depth during the assembly, the stability of the steel strand assembly is effectively improved, and the steel strand is prevented from falling off.
As shown in fig. 3 and 5, in the steel strand connector provided in an embodiment of the present invention, a first pressing spring 22 is assembled in the first installation cavity 211, and the first pressing spring 22 is sleeved on the first steel strand 4; the second installation cavity 311 is internally provided with a second compression spring 32, and the second compression spring 32 is sleeved on the second steel strand 5. The first extrusion spring 22 and the second extrusion spring 32 are both in a spring shape, and the first installation cavity 211 end of the first extrusion sleeve 21 or the second installation cavity 311 end of the second extrusion sleeve 31 are extruded by an extruder, so that the first extrusion spring 22 and the first steel strand 4 are connected with the first extrusion sleeve 21 into a whole, or the second extrusion spring 32 and the second steel strand 5 are connected with the second extrusion sleeve 31 into a whole.
In the assembling process, as shown in fig. 3, the end surface of the first compression spring 22 and the end surface of the first steel strand 4 are abutted against the inner wall of the end of the first installation cavity 211, that is, the end of the first compression spring 22 is flush with the end of the first steel strand 4 and then inserted into the first installation cavity 211 to reach the inner wall of the end of the first installation cavity 211; the end surface of the second compression spring 32 and the end surface of the first steel strand 4 are abutted against the inner wall of the end of the second mounting cavity 311, that is, the end of the second compression spring 32 is flush with the end of the second steel strand 5 and then inserted into the second mounting cavity 311 to the inner wall of the end of the second mounting cavity 311.
In this embodiment, the first extrusion sleeve 21 and the second extrusion sleeve 31 are detachably connected to the connection sleeve 1 by screw connection: the first extruding sleeve 21 and the second extruding sleeve 31 are provided with first threads 6 at one ends for being connected with the connecting sleeve 1, the inner wall of the connecting sleeve 1 is provided with second threads corresponding to the first threads 6, and the first extruding sleeve 21 and the second extruding sleeve 31 are both in threaded connection with the connecting sleeve 1. After the first steel strand wires 4 and the first connecting assembly 2, the second steel strand wires 5 and the second connecting assembly 3 are extruded respectively, the two ends of the connecting sleeve 1 are screwed in respectively, the two steel strand wires are connected, the first connecting assembly 2, the second connecting assembly 3 and the connecting sleeve 1 are wrapped by the protective sleeve 7 at last, a whole connecting structure is formed, and concrete can be effectively prevented from entering the connecting position due to the arrangement of the protective sleeve 7.
In other embodiments, the first pressing sleeve 21 and the second pressing sleeve 31 may be detachably connected to the connecting sleeve 1 by a snap connection: the circumference of the one end of first extrusion cover 21 and second extrusion cover 31 sets up locating pin or location arch, and it is provided with a plurality of constant head tanks to correspond the protruding position in locating pin or location on the inner wall of connecting sleeve 1, installs into connecting sleeve 1 first extrusion cover 21 and second extrusion cover 31, realizes fixed Assembly through the cooperation of locating pin or location arch and constant head tank.
In order to further prevent the concrete from entering the integral connection structure, as shown in fig. 1, the present embodiment further includes two sealing caps 8, two sealing caps 8 are respectively disposed on the first end and the second end of the sheath 7, and the sealing caps 8 and the sheath 7 cooperate to form a protective cover. As shown in fig. 8-9, the cover 8 is a cover body with a through hole 81, and the through hole 81 is convenient for the steel strand to pass through; utilize sheath 7 and closing cap 8 to protect the guard action, prevent that the concrete from getting into inside sheath 7, guarantee that the steel strand wires connector can exert good fixed action.
In addition, considering that the steel strand will generate elongation deflection during tensioning, in a preferred embodiment of the present invention, the sheath 7 includes: a first end adjacent the first extrusion jacket 21 and a second end adjacent the second extrusion jacket 31; the end surface of the first end is coplanar with the end surface of the first extrusion sleeve 21, and the end surface of the second end has a preset distance with the end surface of the second extrusion sleeve 31; or the distances between the first end and the second end of the sheath 7 and the vertical center line of the connecting sleeve 1 are not equal, the stretched side of the steel strand is slightly longer (in this embodiment, the side of the second steel strand 5 in fig. 1 is slightly longer), and the sealing cover 8 on the side of the first steel strand 4 abuts against the end surface of the first extrusion sleeve 21 to adapt to the displacement of the connecting part caused by the elongation of the steel strand during stretching.
The utility model provides a retard-bonded prestressed steel strand connector connects prestressing steel strand (first steel strand 4 and second steel strand 5) and corresponding coupling assembling (first coupling assembling 2 and second coupling assembling 3) as an organic whole through the extrusion, utilizes connecting sleeve 1 and coupling assembling to screw and becomes whole, simple structure, and convenient connection, firm reduces prestressing loss, effectively establishes the tension force. And the limitation that the connector can only be arranged at the post-cast strip and the process is complex when the existing clip type connector is used for unbonded prestress engineering is also improved.
The assembling steps of the slow bonding prestress steel strand connector are as follows:
and sheathing the sealing cover 8 and the sheath 7 from the connecting end of the first steel strand 4 or the second steel strand 5 in sequence, and waiting for subsequent adjustment.
After the connecting ends of the first steel strand 4 and the second steel strand 5 are stripped by a section of slow bonding sheath 7, the first steel strand 4 is correspondingly sleeved with the first extrusion spring 22, the second steel strand 5 is sleeved with the second extrusion spring 32, and the end face of the first steel strand 4 is flush with the end face of the first extrusion spring 22, and the end face of the second steel strand 5 is flush with the end face of the second extrusion spring 32.
Putting the first steel strand 4 sleeved with the first extrusion spring 22 into the first extrusion sleeve 21 until the ends of the first steel strand 4 and the first extrusion spring 22 are tightly abutted against the inner wall of the end of the first installation cavity 211 of the first extrusion sleeve 21; and putting the second steel strand 5 sleeved with the second extrusion spring 32 into the second extrusion sleeve 31 until the ends of the second steel strand 5 and the second extrusion spring 32 are tightly abutted against the inner wall of the first installation cavity end of the first extrusion sleeve.
The first extrusion sleeve 21 and the second extrusion sleeve 31 are extruded by an extruder, so that the first steel strand 4, the first extrusion spring 22 and the first extrusion sleeve 21 form an integral structure, and the second steel strand 5, the second extrusion spring 32 and the second extrusion sleeve 31 form an integral structure.
According to the thread marks at the two ends of the connecting sleeve 1, the threaded ends of the two groups of extruded integral structures are screwed into the corresponding ends of the threads of the connecting sleeve 1 respectively, and after the two ends are screwed down, the first steel strand 4 and the second steel strand 5 are connected.
After the connection is completed, the delayed coagulation adhesive is uniformly smeared on the outer surfaces of the first extrusion sleeve 21, the second extrusion sleeve 31 and the connecting sleeve 1, and the sheath 7 is pushed to one end of the non-tensioned steel strand (in the embodiment, the first steel strand 4 side in fig. 1), so that the first end of the sheath 7 is flush with the end surface of the first extrusion sleeve 21, and the sheath 7 can protect the connecting part.
And the two ends of the sheath 7 are buckled with the sealing covers 8 to prevent concrete from entering. The sealing cover 8 close to one end of the non-stretching steel strand (the first steel strand 4) is flush with the end face of the first extrusion sleeve 21, and the sheath 7 close to one end of the stretching steel strand (the second steel strand 5) and the end face of the second extrusion sleeve 31 are spaced by a preset distance, so that the deflection of a connecting part caused by the elongation value of the steel strand during stretching is met.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. This is merely for convenience in describing the invention and to simplify the description and is not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation and is therefore not to be considered limiting of the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. A slow bond prestressed steel strand connector comprising:
a connecting sleeve;
one end of the first connecting component is detachably connected with one end of the connecting sleeve, and the other end of the first connecting component is used for assembling a first steel strand;
one end of the second connecting assembly is detachably connected with the other end of the connecting sleeve, and the other end of the second connecting assembly is used for assembling a second steel strand;
the sheath is sleeved on the first connecting assembly, the connecting sleeve and the second connecting assembly.
2. The slow bond prestressed steel strand connector of claim 1,
the first connecting assembly comprises a first extrusion sleeve, one end of the first extrusion sleeve is used for being connected with the connecting sleeve, and the other end of the first extrusion sleeve is provided with a first installation cavity for assembling the first steel strand;
the second connecting assembly comprises a second extrusion sleeve, one end of the second extrusion sleeve is used for being connected with the connecting sleeve, and the other end of the second extrusion sleeve is provided with a second installation cavity used for assembling the second steel strand.
3. The slow bond prestressed steel strand connector of claim 2,
a first extrusion spring is assembled in the first installation cavity and sleeved on the first steel strand;
and a second extrusion spring is assembled in the second mounting cavity and sleeved on the second steel stranded wire.
4. The slow bond prestressed steel strand connector of claim 3,
the end surface of the first extrusion spring and the end surface of the first steel strand are abutted against the inner wall of the end part of the first installation cavity;
and the end surface of the second extrusion spring and the end surface of the first steel strand are abutted against the inner wall of the end part of the second installation cavity.
5. The slow bond prestressed steel strand connector of claim 2, wherein said first mounting cavity and said second mounting cavity extend a predetermined distance.
6. The slow bond prestressed steel strand connector of claim 2,
the first extrusion sleeve and the second extrusion sleeve are used for being connected with the connecting sleeve, first threads are arranged at one end of the connecting sleeve, second threads corresponding to the first threads are arranged on the inner wall of the connecting sleeve, and the first extrusion sleeve and the second extrusion sleeve are spirally connected with the connecting sleeve.
7. The slow bond prestressed steel strand connector of claim 2,
the sheath includes: a first end proximate the first extrusion jacket and a second end proximate the second extrusion jacket;
the end face of the first end is coplanar with the end face of the first extrusion sleeve, and the end face of the second end has a preset distance with the end face of the second extrusion sleeve.
8. The slow bond prestressed steel strand connector of claim 7, further comprising a cap disposed over said first and second ends of said jacket.
9. The slow bond prestressed steel strand connector of claim 1, wherein said first connecting member and said second connecting member are disposed symmetrically about a radial centerline of said connecting sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921614654.8U CN211646975U (en) | 2019-09-25 | 2019-09-25 | Retarded adhesive prestressed steel strand connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921614654.8U CN211646975U (en) | 2019-09-25 | 2019-09-25 | Retarded adhesive prestressed steel strand connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211646975U true CN211646975U (en) | 2020-10-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921614654.8U Expired - Fee Related CN211646975U (en) | 2019-09-25 | 2019-09-25 | Retarded adhesive prestressed steel strand connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211646975U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113605375A (en) * | 2021-09-18 | 2021-11-05 | 中国建筑技术集团有限公司 | Slow-setting connecting device, anti-floating pile and hoisting method of anti-floating pile |
-
2019
- 2019-09-25 CN CN201921614654.8U patent/CN211646975U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113605375A (en) * | 2021-09-18 | 2021-11-05 | 中国建筑技术集团有限公司 | Slow-setting connecting device, anti-floating pile and hoisting method of anti-floating pile |
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