CN210483769U - End expansion anchor rod - Google Patents
End expansion anchor rod Download PDFInfo
- Publication number
- CN210483769U CN210483769U CN201920836769.5U CN201920836769U CN210483769U CN 210483769 U CN210483769 U CN 210483769U CN 201920836769 U CN201920836769 U CN 201920836769U CN 210483769 U CN210483769 U CN 210483769U
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- CN
- China
- Prior art keywords
- anchor rod
- expansion
- fan
- outward pushing
- shaped
- Prior art date
- 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
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- 238000005242 forging Methods 0.000 claims description 16
- 238000005192 partition Methods 0.000 claims description 8
- 238000010586 diagram Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
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- Piles And Underground Anchors (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The utility model discloses a tip inflation stock, its characterized in that: the expansion anchor rod comprises an outer anchor rod cylinder and an inner anchor rod rotating body, wherein the inner anchor rod rotating body coaxially penetrates through the outer anchor rod cylinder, and an expansion unit for expanding the end part of the anchor rod is arranged at the bottom end of the outer anchor rod cylinder; the multiple cylinder sheet parts are exactly combined to form the bottom end of the outer anchor rod cylinder body, the bottom end of the inner anchor rod rotating body is connected with the center of the rotary expansion disc, and the expansion unit pushes the cylinder sheet parts to realize expansion. Through adopting the biax design, outer axle is as the fixed axle in the use, and interior axle is as the expansion axle, can expand the tip, and whole subassembly inserts the stake hole back, and rotatory interior axle can be fixed in the hole site, stabilizes and prevents to lose efficacy.
Description
Technical Field
The utility model belongs to novel building device especially relates to a tip inflation stock.
Background
In mining, building tunnels in rock and other underground facilities, there is a problem in that a roof, a wall, etc. need to be reinforced to prevent collapse or to make records. In order to prevent the mountain part from collapsing along with time, people need to reinforce the mountain or a pile road so as to ensure the stability of the whole engineering after construction, and the anchor rod is used as a reinforcing device and needs to be fixed in a hole site for a long time, so that how to reinforce the stability of the anchor rod is a key problem to be solved.
The barb anchor rod exists among the prior art, and the barb anchor rod can harm the stake way in use, consequently also possesses obvious defect when possessing anti-drop efficiency, and the anchor rod in use is the inner at first when coming off inefficacy and loses stake anchor nature, therefore how to consolidate the tip of anchor rod when technical difficulty.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problem that above-mentioned current stock became invalid easily in the use, and the pertinence provides a tip inflation stock.
The utility model discloses a following technical scheme realizes:
an end expansion anchor rod comprises an outer anchor rod cylinder and an inner anchor rod rotating body, wherein the inner anchor rod rotating body is coaxially arranged in the outer anchor rod cylinder in a penetrating manner, and an expansion unit for expanding and expanding the end part of the anchor rod is arranged at the bottom end of the outer anchor rod cylinder;
the expansion unit comprises three groups of fan-shaped outward pushing frames and outward pushing disks, the fan-shaped outward pushing frames comprise fan-shaped outward pushing sheets which are arranged in parallel up and down, the top points of the upper fan-shaped outward pushing sheets and the lower fan-shaped outward pushing sheets of each fan-shaped outward pushing frame are connected through pins to form a frame body, the three groups of fan-shaped outward pushing frames are distributed in an annular shape to form a circle, a rotary expansion disk is arranged between the fan-shaped outward pushing sheets, expansion long holes are formed in the rotary expansion disk in a one-to-one correspondence mode, the expansion long holes extend towards the outer side of the rotary expansion disk in an inclined mode, expansion pins penetrate through the middle of each fan-shaped outward pushing frame, the expansion pins penetrate through the expansion long holes in a one-to-one correspondence mode, expansion rods are fixed on the edges of the fan-shaped outward pushing frames, each expansion rod penetrates through a through hole reserved in the outer anchor rod barrel body to extend to the outside, a barrel, the plurality of cylinder sheet parts are just combined to form a bottom end which is coated on the outer anchor rod cylinder body;
the bottom end of the inner anchor rod rotating body is connected with the center of the rotary expansion disc.
Furthermore, a partition plate is arranged in the outer anchor rod cylinder body, the partition plate divides the inner cavity of the outer anchor rod cylinder body into an upper forging anchor rod section and a lower forging anchor rod cavity, the inner anchor rod rotating body is coaxially arranged in the upper forging anchor rod section, and an expansion unit for expanding the end part of the anchor rod is arranged in the lower forging anchor rod cavity;
furthermore, the bottom end of the inner anchor rod rotating body is concentrically connected with a pivot, and the pivot penetrates through a reserved opening in the partition plate and penetrates into the cavity of the lower forging anchor rod.
Furthermore, a plurality of bearings are assembled between the outer anchor rod cylinder and the inner anchor rod rotating body.
Furthermore, the top point of the fan-shaped pushing frame is provided with arc-shaped notches, the arc-shaped notches at the centers of the three groups of fan-shaped pushing frames just form a cylindrical channel allowing a pivot to pass through, and the pivot is connected with the center of the rotary expansion disc.
The utility model discloses advantage that has for prior art lies in:
through adopting the biax design, outer axle is as the fixed axle in the use, and interior axle is as the expansion axle, can expand the tip, and whole subassembly inserts the stake hole back, and rotatory interior axle can be fixed in the hole site, stabilizes and prevents to lose efficacy.
The expansion part at the bottom end adopts a three-sector outward pushing frame, the three-sector outward pushing frame can outwards push the outward pushing frame on the basis of rotating the expansion disc, inclined hole sites arranged on the outward pushing frame can push the outward pushing frame to indirectly push an expansion rod with the functions of guiding and connecting rods, and the expansion rod pushes the barrel part to be close to realize the expansion efficiency.
The integral mechanism has good integrity, continuous expansion action and good fixing property.
Drawings
Fig. 1 is an overall structure diagram of the present invention.
Fig. 2 is an internal structure diagram of the present invention.
Fig. 3 is a perspective view of the present invention.
Fig. 4 is a bottom view of the present invention.
Fig. 5 is a structural diagram of the expansion unit of the present invention.
FIG. 6 is the internal structure diagram of the expansion unit of the present invention
Reference numerals:
the anchor rod comprises an outer anchor rod barrel body 1, a lower forging anchor rod cavity 2, an inner anchor rod rotating body 3, a fan-shaped outward pushing frame 4, a rotating expansion disc 5, a partition plate 6, an expansion rod 7, a pivot shaft 8, a barrel piece part 9 and an expansion unit 10.
Detailed Description
The invention will be further explained below with reference to the accompanying figures 1-6:
as shown in fig. 1-3, an end-expanded anchor is provided, which comprises an outer anchor barrel 1 and an inner anchor rotator 2, wherein the inner anchor rotator coaxially penetrates through the outer anchor barrel, and an expansion unit 10 for expanding and expanding the end of the anchor is arranged at the bottom end of the outer anchor barrel;
a partition plate 6 is arranged in the outer anchor rod cylinder body, the inner cavity of the outer anchor rod cylinder body is divided into an upper forging anchor rod section and a lower forging anchor rod cavity 2 by the partition plate, the inner anchor rod rotating body is coaxially arranged in the upper forging anchor rod section, and an expansion unit for expanding the end part of the anchor rod is arranged in the lower forging anchor rod cavity;
as shown in fig. 4-6, the expansion unit includes three sets of sector-shaped pushing frames 4 and a rotary expansion disc 5, the sector-shaped pushing frames include upper and lower parallel sector-shaped pushing pieces, the top points of the upper and lower sector-shaped pushing pieces of each sector-shaped pushing frame are connected by pins to form a frame body, the three sets of sector-shaped pushing frames are annularly distributed to form a circle, the rotary expansion disc is disposed between the sector-shaped pushing pieces, the rotary expansion disc is provided with expansion long holes corresponding to the sector-shaped pushing frames one by one, the expansion long holes extend in an inclined manner or in an arc manner towards the outer side of the rotary expansion disc, the initial section of the expansion long hole is close to the center of the rotary expansion disc, an expansion pin is disposed in the middle of each sector-shaped pushing frame, the expansion pins correspondingly penetrate through the expansion long holes, the expansion pins and the expansion rods 7 are disposed on the same straight line, the expansion rods 7 are fixed on the edges of each sector-shaped pushing, each expansion rod passes through a reserved through hole on the outer anchor rod cylinder body and extends to the outside, a cylinder piece part matched with the outer shape of the outer anchor rod cylinder body is fixed at the outer end of each expansion rod, and a plurality of cylinder piece parts 9 are combined to just form a combined body and are coated at the bottom end of the outer anchor rod cylinder body;
in order to facilitate the rotation fixation, a plurality of bearings are assembled between the outer anchor rod cylinder and the inner anchor rod rotating body.
The bottom end of the inner anchor rod rotating body is concentrically connected with a pivot shaft, the pivot shaft penetrates through a reserved opening in the partition plate and penetrates into the lower forging anchor rod cavity, the pivot shaft is fixedly connected with the rotary expansion disc, arc-shaped notches are formed in the top points of the fan-shaped pushing frames, the arc-shaped notches in the centers of the three groups of fan-shaped pushing frames just form a cylindrical channel allowing the pivot shaft 8 to penetrate through, and the pivot shaft is connected with the center of the rotary expansion disc.
The operation mechanism of the present invention is further explained as follows:
when in use, the inner shaft is rotated to approach the pivot shaft, the pivot shaft can drive the rotary expansion disc 5, and the expansion pin can push the fan-shaped outward pushing frame to approach under the action of the expansion long hole in the rotating process of the rotary expansion disc so as to push the barrel plate part to expand outward.
Claims (5)
1. An end expansion anchor rod, its characterized in that: the expansion anchor rod comprises an outer anchor rod cylinder and an inner anchor rod rotating body, wherein the inner anchor rod rotating body coaxially penetrates through the outer anchor rod cylinder, and an expansion unit for expanding the end part of the anchor rod is arranged at the bottom end of the outer anchor rod cylinder;
the expansion unit comprises three groups of fan-shaped outward pushing frames and outward pushing disks, the fan-shaped outward pushing frames comprise fan-shaped outward pushing sheets which are arranged in parallel up and down, the top points of the upper fan-shaped outward pushing sheets and the lower fan-shaped outward pushing sheets of each fan-shaped outward pushing frame are connected through pins to form a frame body, the three groups of fan-shaped outward pushing frames are distributed in an annular shape to form a circle, a rotary expansion disk is arranged between the fan-shaped outward pushing sheets, expansion long holes are formed in the rotary expansion disk in a one-to-one correspondence mode, the expansion long holes extend towards the outer side of the rotary expansion disk in an inclined mode, expansion pins penetrate through the middle of each fan-shaped outward pushing frame, the expansion pins penetrate through the expansion long holes in a one-to-one correspondence mode, expansion rods are fixed on the edges of the fan-shaped outward pushing frames, each expansion rod penetrates through a through hole reserved in the outer anchor rod barrel body to extend to the outside, a barrel, the plurality of cylinder sheet parts are just combined to form a bottom end which is coated on the outer anchor rod cylinder body;
the bottom end of the inner anchor rod rotating body is connected with the center of the rotary expansion disc.
2. An end expansion bolt according to claim 1, wherein: be located and be equipped with the baffle in the outer stock barrel, the baffle separates the inner chamber of outer stock barrel for forging stock section and forging stock chamber down, the coaxial setting of interior stock rotator in forging stock section last, be located and be provided with the inflation unit that is used for inflation expansion stock tip in forging stock chamber down.
3. An end expansion bolt according to claim 2, wherein: the bottom end of the inner anchor rod rotating body is concentrically connected with a pivot, and the pivot penetrates through a reserved opening in the partition plate and penetrates into the cavity of the lower forging anchor rod.
4. An end expansion bolt according to claim 1, wherein: a plurality of bearings are assembled between the outer anchor rod cylinder and the inner anchor rod rotating body.
5. An end expansion bolt according to claim 3, wherein: the top point of the fan-shaped pushing frame is provided with arc notches, the arc notches at the centers of the three groups of fan-shaped pushing frames just form a cylindrical channel allowing a pivot to pass through, and the pivot is connected with the center of the rotary expansion disc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920836769.5U CN210483769U (en) | 2019-06-04 | 2019-06-04 | End expansion anchor rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920836769.5U CN210483769U (en) | 2019-06-04 | 2019-06-04 | End expansion anchor rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210483769U true CN210483769U (en) | 2020-05-08 |
Family
ID=70512787
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920836769.5U Expired - Fee Related CN210483769U (en) | 2019-06-04 | 2019-06-04 | End expansion anchor rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210483769U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113250191A (en) * | 2021-07-01 | 2021-08-13 | 昆明理工大学 | Expansion type yielding anchor rod |
| CN113417683A (en) * | 2021-08-25 | 2021-09-21 | 徐州振海工程机械有限公司 | Novel slip casting stock |
-
2019
- 2019-06-04 CN CN201920836769.5U patent/CN210483769U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113250191A (en) * | 2021-07-01 | 2021-08-13 | 昆明理工大学 | Expansion type yielding anchor rod |
| CN113417683A (en) * | 2021-08-25 | 2021-09-21 | 徐州振海工程机械有限公司 | Novel slip casting stock |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200508 Termination date: 20210604 |