CN213741033U - Novel inside callipers formula mechanical locking device - Google Patents
Novel inside callipers formula mechanical locking device Download PDFInfo
- Publication number
- CN213741033U CN213741033U CN202022512123.7U CN202022512123U CN213741033U CN 213741033 U CN213741033 U CN 213741033U CN 202022512123 U CN202022512123 U CN 202022512123U CN 213741033 U CN213741033 U CN 213741033U
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- CN
- China
- Prior art keywords
- pin
- sleeve
- opening
- internal thread
- type screw
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000004873 anchoring Methods 0.000 claims abstract description 18
- 210000002435 tendon Anatomy 0.000 claims abstract description 8
- 230000003014 reinforcing effect Effects 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 7
- 238000003466 welding Methods 0.000 abstract description 5
- 238000005260 corrosion Methods 0.000 abstract description 3
- 230000007797 corrosion Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 3
- 210000003205 muscle Anatomy 0.000 description 4
- 210000001503 joint Anatomy 0.000 description 3
- 238000005034 decoration Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000011178 precast concrete Substances 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
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- Piles And Underground Anchors (AREA)
Abstract
The utility model discloses a novel inner clamping type mechanical locking device, belonging to the field of precast piles; the device mainly comprises an upper tendon locking sleeve, a lower tendon locking sleeve, a top expanding type screw-tail conical pin and a triangular prism-shaped pin; the upper anchor bar sleeve comprises an upper internal thread section and an upper anchoring section, wherein an interface of the upper anchoring section is used for locking a prestressed bar at the end of the upper precast pile; the lower anchor bar sleeve comprises a lower internal thread section, a cavity part and a lower anchoring section, wherein an interface of the lower anchoring section is used for locking a prestressed bar at the end of the lower precast pile; the top expansion type screw-tail taper pin comprises an external thread section and an opening top, and the triangular-prism-shaped pin is positioned in the opening of the opening top of the top expansion type screw-tail taper pin; the top of the opening of the top expanding type screw-tail taper pin and the triangular pin pass through the lower internal thread section of the lower lock rib sleeve together and are clamped in the cavity part. The utility model provides a novel inside callipers formula mechanical locking device connects and replaces present traditional pile head welding process, and the efficiency of construction is high, and corrosion resistance can be strong, and two component connection wholeness can be better.
Description
Technical Field
The utility model belongs to the technical field of the precast pile, concretely relates to precast concrete pile's joint connecting device specifically is a novel inside callipers formula mechanical locking device.
Background
At present, most of the connection modes of two precast concrete piles are welding, namely, the anchor plates at the head ends of two members are welded to be connected together, the joint is exposed on the outer surface of the members, the members are easily corroded by external substances, and the corrosion resistance is poor. The joint has the advantages that the side resistance of the component is increased invisibly due to the soil squeezing effect during welding, the component is easily damaged during construction according to standard design, and the welding construction efficiency is relatively low.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: the utility model aims at providing a novel inside callipers formula mechanical locking device connects and replaces present traditional pile head welding process, and the efficiency of construction is high, and corrosion resistance is strong, and two component connection wholeness can be better.
The technical scheme is as follows: in order to realize the purpose of the utility model, the utility model discloses a technical scheme as follows:
a novel internal clamping type mechanical locking device comprises an upper rib locking sleeve, a lower rib locking sleeve, a top expanding type screw-tail taper pin and a triangular prism-shaped pin; the upper anchor bar sleeve comprises an upper internal thread section and an upper anchoring section, wherein an interface of the upper anchoring section is used for locking a prestressed bar at the end of the upper precast pile; the lower anchor bar sleeve comprises a lower internal thread section, a cavity part and a lower anchoring section, wherein an interface of the lower anchoring section is used for locking a prestressed bar at the end of the lower precast pile; the top expansion type screw tail taper pin comprises an external thread section and an opening top, wherein the external thread section is in threaded connection with the upper internal thread section of the upper reinforcing bar sleeve; the triangular pin is positioned in an opening at the top of the opening of the top expansion type screw tail taper pin; the top of the opening of the top expanding type screw-tail taper pin and the triangular pin pass through the lower internal thread section of the lower lock rib sleeve together and are clamped in the cavity part.
Furthermore, the top of the opening of the top expansion type screw tail taper pin is provided with a conical table, and the diameter of the maximum position of the conical table is smaller than the diameter of the lower internal thread of the lower lock rib sleeve.
Furthermore, the sum of the width of the top of the triangular prism-shaped pin and the width of the opening of the top-expanding type screw tail cone pin is larger than the aperture of the lower internal thread of the lower lock rib sleeve and smaller than the diameter of the cavity part.
Has the advantages that: compared with the prior art, the utility model has the advantages of it is following: the utility model discloses utilize the cooperation of top expansion formula spiral shell tail taper pin and triangular prism pin, make the opening part of top expansion formula spiral shell tail taper pin sink with the help of the precast pile dead weight, relative triangular prism pin shifts up embedding open-top portion and makes its expansion then firmly block in the telescopic internal thread of lock muscle, accomplishes inside callipers formula mechanical locking. Whole novel inside callipers formula mechanical locking device has improved the efficiency of construction greatly, reduces the energy consumption, has also reduced two steel sheets that are used for the anchor main muscle in concrete member production process, has reduced energy resource consumption, has improved production efficiency simultaneously, convenient construction methods, only need place the triangular pin during the construction, directly puts down the component perpendicularly according to reserving the butt joint hole, directly accomplishes the butt joint of component.
Drawings
FIG. 1 is a schematic view of the assembled structure of the present invention;
fig. 2 is a schematic structural view of the upper tendon sleeve 1;
fig. 3 is a schematic structural view of the lower cage bar sleeve 2;
fig. 4 is a schematic structural view of the top-expanding type screw-tail taper pin 3;
fig. 5 is a schematic view of the structure of the triangular prism-shaped pin 4.
Detailed Description
The present invention will be further clarified by the following embodiments, which are implemented on the premise of the technical solution of the present invention, with reference to the attached drawings, and it should be understood that these embodiments are only used for illustrating the present invention and are not used for limiting the scope of the present invention.
As shown in fig. 1-5, the present invention discloses a novel internal clamping type mechanical locking device, which comprises two tendon-locking sleeves (an upper tendon-locking sleeve 1 and a lower tendon-locking sleeve 2, respectively), a top-expanding type screw-tail taper pin 3 and a triangular pin 4. The upper anchor bar sleeve 1 comprises an upper internal thread section 11 and an upper anchoring section 12, wherein the interface of the upper anchoring section 12 is used for locking a prestressed bar at the end of the upper precast pile (specifically, the prestressed bar is anchored by a tensioning anchoring piece); the lower tendon-locking sleeve 2 comprises a lower internal thread section 21, a cavity part 22 and a lower anchoring section 23, wherein the interface of the lower anchoring section 23 is used for locking the prestressed tendon at the end of the lower precast pile (specifically, the prestressed tendon is anchored by a tensioning anchoring part);
the top expansion type screw tail taper pin 3 comprises an external thread section 31 and an opening top 32, wherein the external thread section 31 is in threaded connection with the upper internal thread section 11 of the upper reinforced sleeve 1; the triangular pin 4 is positioned in the opening of the opening top 32 of the top expanding type screw-tail taper pin 3; the open top 32 of the top-expanding type screw-tail cone pin 3 and the triangular pin 4 are clamped in the cavity part 22 together through the lower internal thread section 21 of the lower lock rib sleeve 2. The method specifically comprises the following steps: the top card of triangular pin 4 is aimed at the lower internal thread section 21 of lock muscle sleeve 2 down and begins the butt joint at the opening part of the opening top 32 of top expanding type spiral tail taper pin 3, relies on the precast pile dead weight, and triangular pin 4 imbeds gradually in the opening of the opening top 32 of top expanding type spiral tail taper pin 3, struts opening top 32 and makes its expansion then card in the cavity portion 22 of lock muscle sleeve 2 down, accomplishes the connection of two precast pile joint departments.
The quantity of the novel internal clamping type mechanical locking devices is determined according to the quantity of the prestressed main reinforcements at the ends of the precast piles, and the novel internal clamping type mechanical locking devices are installed on each main reinforcement.
The opening top 32 of the top expanding type screw tail taper pin 3 is provided with a tapered table, and the diameter of the maximum position of the tapered table is smaller than the diameter of the lower internal thread of the lower lock rib sleeve 2. Facilitating snapping into the lower internal thread section 21 of the lower tendon sleeve 2.
The sum of the top width of the triangular pin 4 and the opening width of the opening top 32 of the top expanding type screw-tail cone pin 3 is larger than the aperture of the lower internal thread of the lower lock rib sleeve 2 and smaller than the diameter of the cavity part 22. After expansion, the lock rib sleeve is clamped in the cavity part 22 of the lower lock rib sleeve 2.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (3)
1. The utility model provides a novel inside callipers formula mechanical locking device which characterized in that: comprises an upper tendon locking sleeve (1), a lower tendon locking sleeve (2), a top expanding type screw-tail conical pin (3) and a triangular pin (4); the upper anchor bar sleeve (1) comprises an upper internal thread section (11) and an upper anchoring section (12), wherein the interface of the upper anchoring section (12) is used for locking a prestressed bar at the end of the upper precast pile; the lower lock rib sleeve (2) comprises a lower internal thread section (21), a cavity section (22) and a lower anchoring section (23), wherein an interface of the lower anchoring section (23) is used for locking a prestressed rib at the end of the lower precast pile; the top expanding type screw tail taper pin (3) comprises an external thread section (31) and an opening top part (32), wherein the external thread section (31) is in threaded connection with an upper internal thread section (11) of the upper reinforcing rib sleeve (1); the triangular pin (4) is positioned in an opening of the opening top (32) of the top expansion type screw-tail conical pin (3); the opening top (32) of the top expanding type screw-tail conical pin (3) and the triangular pin (4) penetrate through the lower internal thread section (21) of the lower lock rib sleeve (2) together and are clamped in the cavity part (22).
2. The novel internally-clamped mechanical locking device as claimed in claim 1, wherein: the opening top (32) of the top expansion type screw tail taper pin (3) is provided with a tapered table, and the diameter of the maximum position of the tapered table is smaller than the diameter of the lower internal thread of the lower lock rib sleeve (2).
3. The novel internally-clamped mechanical locking device as claimed in claim 1, wherein: the sum of the top width of the triangular pin (4) and the opening width of the opening top (32) of the top expanding type spiral-tail cone pin (3) is larger than the diameter of the lower internal thread of the lower lock rib sleeve (2) and smaller than the diameter of the cavity part (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022512123.7U CN213741033U (en) | 2020-11-04 | 2020-11-04 | Novel inside callipers formula mechanical locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022512123.7U CN213741033U (en) | 2020-11-04 | 2020-11-04 | Novel inside callipers formula mechanical locking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213741033U true CN213741033U (en) | 2021-07-20 |
Family
ID=76819110
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022512123.7U Expired - Fee Related CN213741033U (en) | 2020-11-04 | 2020-11-04 | Novel inside callipers formula mechanical locking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213741033U (en) |
-
2020
- 2020-11-04 CN CN202022512123.7U patent/CN213741033U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210720 |