CN211573982U - Detachable split nut - Google Patents
Detachable split nut Download PDFInfo
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- CN211573982U CN211573982U CN201920318421.7U CN201920318421U CN211573982U CN 211573982 U CN211573982 U CN 211573982U CN 201920318421 U CN201920318421 U CN 201920318421U CN 211573982 U CN211573982 U CN 211573982U
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- nut
- nut body
- rod
- mounting hole
- screw hole
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Abstract
The utility model discloses a can dismantle split type nut is as the fixed stock body of rod, including the first nut body and the second nut body, the first nut body and the second nut body press from both sides tightly through connecting screw, the first nut body and the second nut body form a mounting hole in the cooperation of pressing from both sides tight department, be equipped with the stock body of rod that interior screw-thread fit installation has the external screw thread in the mounting hole. The utility model discloses a can dismantle split type nut, the installation is swift, convenient operation, and the stock body of rod is dismantled swiftly conveniently.
Description
Technical Field
The utility model relates to an anchor engineering technical field, concretely relates to can dismantle split type nut.
Background
The anchoring technology of the recoverable prestressed anchor rod body is increasingly widely applied to the fields of industrial and civil buildings, municipal roads and bridges, mine roadway support and the like. The existing prestressed anchor rod body fixed end mostly adopts an integral finish rolling deformed steel bar nut, and when the anchor rod body (finish rolling deformed steel bar) is recovered after the using function of the anchor rod body is finished, a locking nut (the integral finish rolling deformed steel bar nut) at the outer end of the anchor rod body is difficult to unlock or cannot unlock.
When the anchor rod body needs to be recovered, a jack is firstly placed, a stirrup is placed on the jack, the jack applies reverse force outwards to pull out the anchor rod body, then a nut is screwed, the stress of the jack is released, and then the anchor rod body is pulled out.
Disclosure of Invention
The utility model aims at providing an installation is swift, convenient operation, and the swift convenient split type nut of dismantling is dismantled to the stock body of rod.
In order to achieve the above object, the utility model discloses a can dismantle split type nut is as the fixed stock body of rod, including the first nut body and the second nut body, the first nut body and the second nut body are passed through connecting screw and are pressed from both sides tightly, the first nut body and the second nut body form a mounting hole in the cooperation of pressing from both sides tight department, be equipped with the stock body of rod that interior screw-thread fit installation has the external screw thread in the mounting hole.
Furthermore, the connecting screw rod at least comprises a first connecting screw rod and a second connecting screw rod, a first screw hole and a second screw hole are arranged in the first nut body and the second nut body in a matched mode, and the first nut body and the second nut body are installed on the first screw hole and the second screw hole in a matched mode.
Furthermore, the first screw hole and the second screw hole are arranged on two sides of the mounting hole, and the first screw hole and the second screw hole are respectively vertical to the mounting hole;
or the first screw hole and the second screw hole are arranged at symmetrical positions on two sides of the mounting hole.
Furthermore, one surface of the first nut body, which is clamped with the second nut body, is a plane, and one surface of the second nut body, which is clamped with the first nut, is a plane;
or, the first nut body and the second nut body are equal in size.
Furthermore, the outer surface of the detachable split nut is provided with a protective shell;
the protection shell comprises an anticorrosive coating which is in contact with the first nut body and the second nut body, and an anticorrosive outer cover is sleeved outside the anticorrosive coating.
Furthermore, a preservative injection hole leading to the preservative layer is formed in the preservative outer cover.
Further, the stock body of rod chooses for use: when the deformed steel bar body, the finish-rolled deformed steel bar body, the glass fiber reinforced plastic product body, the carbon fiber product body, the plastic product body or the fiber product body are used, the inner wall of the mounting hole is matched with an internal thread to be connected with the anchor rod body.
Further, when the steel strand is selected for the anchor rod body, a pair of locking plates is matched with the mounting hole to lock the steel strand.
The utility model discloses a can dismantle split type nut, simple structure, can install in advance, the cooperation steel backing plate can use, the stock body of rod can realize twisting or twisting out or directly loosen when can dismantle split type nut not unpack apart and can dismantle the first of split type nut both sides, two connecting screw can realize the internal stress slow release of stock body of rod, until complete unblock, the fixed step of the unblock of stock body of rod has been simplified, the recovery time of the stock body of rod has been reduced, the rate of recovery of the stock body of rod has been improved, and is swift convenient, and realize cyclic utilization, practice thrift the cost, it is right also to have simultaneously reduced can dismantle split type nut's anticorrosive material's loss, especially in the coal mine tunnel is strutted the coal recovery time that has reduced the ground tackle unblock, greatly reduced the casualty accident.
Drawings
FIG. 1 is a schematic structural view of embodiment 1;
FIG. 2 is a view from the A-A direction of embodiment 1;
FIG. 3 is a schematic structural view of embodiment 2;
FIG. 4 is a schematic structural view 1 of example 3;
FIG. 5 is a schematic view of the structure of example 3, FIG. 2
FIG. 6 is a sectional view taken along A-A or A '-A' of FIG. 4 or FIG. 5;
FIG. 7 is a reference diagram of a use state of embodiment 3;
wherein, the first nut body 1; a second nut body 2; a mounting hole 3; an internal thread 31; a first connecting screw 4; a second connecting screw 5; a protective casing 6; an anticorrosive layer 61; an antiseptic cover 62; a preservative injection hole 621; finish rolling the deformed steel bar 7; a steel strand 7 a; a first screw hole 8; a second screw hole 9; a locking piece 10.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
Example 1
As shown in fig. 1-2, the detachable split nut of the present embodiment, which is used for fixing an anchor rod body, includes a first nut body 1 and a second nut body 2, wherein the first nut body 1 and the second nut body 2 are clamped by a connecting screw rod; the first nut body 1 and the second nut body 2 are matched at a clamping position to form a mounting hole 3, an internal thread 31 is arranged in the mounting hole 3 and is matched with an anchor rod body provided with an external thread, and the anchor rod body provided with the external thread is usually made of finish-rolled deformed steel 7. In the structure, the mounting hole 3 comprises a groove with a semicircular cross section arranged on one side of the first nut body 1 facing the second nut body 2, and a groove with a semicircular cross section arranged on the side wall of the second nut body 2 facing the first nut body 1, the circular through hole formed by the two grooves in a folded mode is the mounting hole 3, and the threads respectively arranged in the two grooves are connected and combined to form the internal thread 31.
The anchor rod body may be made of other materials than the finish-rolled deformed steel 7, such as a deformed steel rod body, a glass fiber reinforced plastic product rod body, a carbon fiber product rod body, a plastic product rod body, or a fiber product rod body, and may be applied to the present structure.
The detachable split nut is matched with the installed anchor rod body and can be detached. When the anchor rod body is disassembled, the connecting screw rod is loosened, the diameter of the mounting hole 3 is enlarged, the two structural members of the first nut body 1 and the second nut body 2 are separated, and the detachable anchor rod body can be directly and quickly taken out. Especially in the coal mine working condition, after mining is finished, the coal mine tunnel needs to be artificially damaged and collapsed for eliminating the potential safety hazard of the abandoned tunnel, and the anchor unloading link is particularly important at the moment. The utility model discloses a detachable components of a whole that can function independently nut for the stock body of rod dismouting convenient operation, swift, saved the time that the stock body of rod was retrieved, make the stock body of rod retrieve more safety.
Additionally, the utility model discloses a can dismantle split type nut, after the stock body of rod is demolishd, can directly whole set tak away, use separately, reduced the trouble that the accessories of installation scene joined in marriage the dress.
And simultaneously, the utility model discloses a can dismantle split type nut can adjust the size of mounting hole through first connecting screw and second connecting screw to the stock body of rod that is suitable for the diameter difference makes the application scope that can dismantle split type nut wider.
The connecting screw rod at least comprises a first connecting screw rod 4 and a second connecting screw rod 5, a first screw hole and a second screw hole are formed in the first nut body 1 and the second nut body 2 in a clamping and matching mode, and the first nut body and the second nut body are installed in the first screw hole 8 and the second screw hole 9 in a matching mode to clamp the first nut body 1 and the second nut body 2.
The first screw hole 8 and the second screw hole 9 are arranged on two sides of the mounting hole 3, and the first screw hole 8 and the second screw hole 9 are respectively vertical to the mounting hole 3;
the first screw hole 8 and the second screw hole 9 are arranged at symmetrical positions on two sides of the mounting hole 3.
Due to the design, the stress of the anchor rod body clamped by the first nut body 1 and the second nut body 2 in the mounting hole is equal, the whole detachable split nut is not easy to damage, and the service life of the nut is prolonged.
In the structure, the first nut body 1 and the second nut body 2 are cuboids, the first nut body 1 and the second nut body 2 are equal in size, and the two nut bodies are plane on the clamping surface, so that the split nut can be conveniently detached to be installed.
The outer surface of the detachable split nut is provided with a protective shell 6, and the protective shell 6 is used for avoiding corrosion of anchoring materials to the first nut body 1 and the second nut body 2 in construction.
The protective shell 6 comprises an anticorrosive coating 61 contacting the first nut body 1 and the second nut body 2, and an anticorrosive outer cover 62 sleeved on the anticorrosive coating 61. The corrosion protection outer shell 62 is used to reduce or prevent the loss of the corrosion protection layer 61.
The antiseptic cover 62 is provided with an antiseptic injection hole 621 leading to the antiseptic layer 61.
Example 2
In the structure, the first nut body 1 and the second nut body 2 are semi-circular bodies, the first nut body 1 and the second nut body 2 are equal in size, and the two nut bodies are plane on the clamping surface, so that the detachable split nut is convenient to mount.
The other structure of this embodiment is the same as embodiment 1.
Example 3
As shown in fig. 4-7, a locking plate 10 is arranged in the mounting hole 3 in the structure, the opening of the locking plate 10 is small towards the anchoring end, the opening is large and is conical, the inner wall of the locking plate 10 is provided with insections, when the steel strand 7a is used as an anchor rod body for reinforcement, the steel strand 7a is fixed through the locking plate 10, the first nut body 1 and the second nut body 2 are clamped tightly, and the locking plate 10 at the end with the small opening in the mounting hole 3 is locked, so that the steel strand 7a can be clamped well. When the anchoring of the steel strand needs to be released, the steel strand can be easily released through the disassembly of the first nut body and the second nut body, the steel strand is taken out in a matched mode, the structure is simple, and the operation is convenient and rapid.
The other structure of this embodiment is the same as embodiment 1 or embodiment 2.
The above-mentioned embodiments are only for illustrating the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present patent and to implement the same, so the scope of the present patent should not be limited by the embodiments, that is, all equivalent changes and modifications made according to the spirit of the present patent disclosure still fall within the scope of the present patent.
Claims (8)
1. The utility model provides a can dismantle split type nut, as the fixed stock body of rod, its characterized in that: the anchor rod comprises a first nut body and a second nut body, wherein the first nut body and the second nut body are clamped through a connecting screw rod, the first nut body and the second nut body are matched at a clamping position to form a mounting hole, and an internal thread or a locking plate is arranged in the mounting hole in a matched mode to mount an anchor rod body.
2. The removable split nut of claim 1, wherein: the connecting screw rod at least comprises a first connecting screw rod and a second connecting screw rod, a first screw hole and a second screw hole are arranged in a matched mode when the first nut body and the second nut body are clamped, and the first nut body and the second nut body are installed in a matched mode and clamped through the first screw hole and the second screw hole.
3. The removable split nut of claim 2, wherein:
the first screw hole and the second screw hole are arranged on two sides of the mounting hole and are respectively vertical to the mounting hole;
or the first screw hole and the second screw hole are arranged at symmetrical positions on two sides of the mounting hole.
4. The detachable split nut of any one of claims 1 to 3, wherein: the first nut body is a plane on one surface clamped with the second nut body, and the second nut body is a plane on one surface clamped with the first nut;
or, the first nut body and the second nut body are equal in size.
5. The detachable split nut of any one of claims 1 to 3, wherein: the outer surface of the detachable split nut is provided with a protective shell;
the protection shell comprises an anticorrosive coating which is in contact with the first nut body and the second nut body, and an anticorrosive outer cover is sleeved outside the anticorrosive coating.
6. The removable split nut of claim 5, wherein: and the anticorrosion outer cover is provided with an anticorrosion injection hole leading to the anticorrosion layer.
7. The detachable split nut of any one of claims 1 to 3 and 6, wherein: the anchor rod body is a deformed steel bar body, a finish-rolled deformed steel bar body, a glass fiber reinforced plastic product rod body, a carbon fiber product rod body, a plastic product rod body or a fiber product rod body, and the inner wall of the mounting hole is matched with an inner thread and is in threaded connection with the anchor rod body.
8. The detachable split nut of any one of claims 1 to 3 and 6, wherein: when the steel strand is selected for the anchor rod body, the mounting hole is matched with a locking plate to lock the steel strand.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920318421.7U CN211573982U (en) | 2019-03-13 | 2019-03-13 | Detachable split nut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920318421.7U CN211573982U (en) | 2019-03-13 | 2019-03-13 | Detachable split nut |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211573982U true CN211573982U (en) | 2020-09-25 |
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ID=72523427
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920318421.7U Active CN211573982U (en) | 2019-03-13 | 2019-03-13 | Detachable split nut |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211573982U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109973501A (en) * | 2019-03-13 | 2019-07-05 | 杭州钜力锚杆科技有限公司 | A kind of detachable Separated nut |
-
2019
- 2019-03-13 CN CN201920318421.7U patent/CN211573982U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109973501A (en) * | 2019-03-13 | 2019-07-05 | 杭州钜力锚杆科技有限公司 | A kind of detachable Separated nut |
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