CN216077170U - Active expansion type pipe seam anchor rod - Google Patents
Active expansion type pipe seam anchor rod Download PDFInfo
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- CN216077170U CN216077170U CN202121006043.2U CN202121006043U CN216077170U CN 216077170 U CN216077170 U CN 216077170U CN 202121006043 U CN202121006043 U CN 202121006043U CN 216077170 U CN216077170 U CN 216077170U
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- pipe sleeve
- sealing plate
- inner rod
- frustum
- wall
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Abstract
The utility model relates to an active expansion type pipe seam anchor rod, which comprises a pipe sleeve, a conical head sleeved at the lower end of the pipe sleeve, a sealing plate fixedly connected at the upper end of the pipe sleeve, and an inner rod inserted into an inner cavity of the pipe sleeve and penetrating through a through hole formed in the sealing plate; a cavity is arranged in the conical head; the lower end of the inner rod is fixed with a top block which can slide in the cavity in a reciprocating way; two frustum platforms which are arranged at intervals and the diameter of which is reduced towards one end of the sealing plate are fixed on the inner rod; two wedge blocks matched with the frustum are arranged on the inner wall of the pipe sleeve, and each wedge block is positioned above the corresponding frustum. The pipe sleeve mounting device is reasonable in structural design, the pipe sleeve is wrapped and guided when the pipe sleeve is mounted by the aid of the conical head arranged at the inlet end of the pipe sleeve, mounting efficiency of the pipe sleeve is effectively improved, the conical head is pulled and hooked on the peripheral hole wall while the conical block is matched with the wedge block to press the pipe sleeve, and accordingly risk that the pipe sleeve is separated from the hole wall is further avoided.
Description
Technical Field
The utility model belongs to the field of rock mass supporting equipment, and particularly relates to an active expansion type pipe seam anchor rod.
Background
The anchor bolt support has wide application in rock engineering reinforcement in many departments such as mines, tunnels, highways and the like. Chinese patent document No. CN206256443U discloses a self-expanding anchor rod, which includes a rod body, the rod body includes at least one rod body unit, a self-expanding structure is provided in the rod body unit, a fixed rod wall and a sliding rod wall are provided on the rod wall of the rod body unit, the sliding rod wall moves along the radial direction of the rod body unit and towards the outside of the rod body unit in the expanding process of the self-expanding structure; the self-expanding structure comprises a film bag, and a self-expanding material which enables the volume of the self-expanding structure to expand after the self-expanding structure chemically reacts with water is filled in the film bag. The self-expanding anchor rod is simple in structure, and the volume of a product generated by a chemical reaction between the self-expanding material in the self-expanding structure and water in mortar is larger than that of the self-expanding material, so that the self-expanding structure expands along with the reaction, the wall of the sliding rod is pushed to move towards rocks outside the rod body, the rod body is combined with surrounding rocks more tightly, the anchoring property of the anchor rod is improved, and the pulling resistance of the anchor rod is improved. However, the existing pipe seam type anchor rod does not have expansion capacity, the bearing capacity of the anchor rod is weak, the safety performance of the anchor rod is affected, and the anchor rod is subjected to rock mass friction in the installation process, so that the installation is very inconvenient.
Disclosure of Invention
The utility model provides an active expansion type pipe seam anchor rod, which aims to overcome the defects in the prior art and ensure that the anchor rod has strong bearing capacity and is convenient to install.
The utility model provides an initiative inflation formula seam stock which characterized in that:
comprises a pipe sleeve, a conical head sleeved at the lower end of the pipe sleeve, a sealing plate fixedly connected at the upper end of the pipe sleeve, and an inner rod inserted into an inner cavity of the pipe sleeve and penetrating through a through hole formed in the sealing plate;
a cavity is arranged in the conical head; the lower end of the inner rod is fixed with a top block which can slide in the cavity in a reciprocating way;
two frustum platforms which are arranged at intervals and the diameter of which is reduced towards one end of the sealing plate are fixed on the inner rod; two wedge blocks matched with the frustum are arranged on the inner wall of the pipe sleeve, and each wedge block is positioned above the corresponding frustum.
Furthermore, a clamping seat is arranged on the outer wall of the pipe sleeve close to the sealing plate; the clamping seat is provided with a plurality of threaded rods, and the threaded rods penetrate through the threaded rod matched through holes arranged on the sealing plate and are screwed with the nuts to be fixedly connected to the upper end of the pipe sleeve.
Furthermore, a threaded section is arranged at one end of the inner rod close to the sealing plate, and the inner rod is matched with the threaded section of the inner rod through a nut after passing through a through hole arranged on the sealing plate, so that the inner rod is fixedly connected with the sealing plate and the pipe sleeve.
Further, a support ring positioned between the frustum and the conical head is sleeved on the inner rod; a push plate positioned between the frustum and the support ring is fixed on the inner rod; the diameter of the push plate is smaller than that of the support ring; the inner wall of the pipe sleeve is provided with a supporting seat for supporting and clamping a supporting ring; the supporting seat comprises two guide blocks arranged oppositely and a clamping groove arranged between the two guide blocks.
Furthermore, the guide block is frustum-shaped, and the inner diameter of the guide block is gradually reduced along the direction close to the clamping groove.
Further, a wedge-shaped ring is arranged on the inner wall of the upper end part of the pipe sleeve; one side of the sealing plate close to the pipe sleeve is provided with a conical ring matched with the wedge-shaped ring, and the wedge-shaped ring and the conical ring are mutually propped against each other.
Further, the tooth wall arranged on the conical head covers the end part of the pipe sleeve.
Has the advantages that:
the detachable pipe sleeve supporting device is reasonable in structural design and simple in structure, the end part of the pipe sleeve is tightened through the conical head arranged at the end part of the pipe sleeve by the detachable wrapping sleeve, the difficulty of the anchor rod entering a pore channel is effectively reduced, the friction of the pore channel on the anchor rod in the installation process is reduced, the pipe sleeve reaching a preset position is supported through the matching of a plurality of supporting components of the pipe sleeve supporting pipe sleeve, the complete supporting force of the pipe sleeve is ensured, and the complete and close supporting of the anchor rod on the pore channel is effectively ensured.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of the structure of an embodiment of the present invention;
FIG. 3 is an enlarged view of the portion A of FIG. 2 according to an embodiment of the present invention;
fig. 4 is an enlarged view of the portion B of fig. 2 according to an embodiment of the present invention.
Reference numbers in the figures: 1: pipe sleeve; 11: a wedge block; 12: a supporting seat; 13: a guide block; 14: a card slot; 15: a card holder; 151: a threaded rod; 152: a nut; 16: a wedge ring; 2: a conical head; 21: a cavity; 22: a tooth wall; 3: closing the plate; 31: a second through hole; 32: a first through hole; 33: a conical ring; 4: an inner rod; 41: a top block; 42: a frustum; 43: pushing the plate; 44: a support ring; 45: and a nut.
Detailed Description
The utility model will be described in detail hereinafter with reference to the accompanying drawings in conjunction with embodiments. It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
As shown in fig. 2, 3 and 4:
the utility model discloses an active expansion type pipe seam anchor rod, which comprises a pipe sleeve 1, a conical head 2 sleeved at the lower end of the pipe sleeve 1, a sealing plate 3 arranged at one end, namely the upper end, of the pipe sleeve 1 far away from the conical head 2, and an inner rod 4 inserted in an inner cavity of the pipe sleeve 1.
A cavity 21 is arranged in the conical head 2; the lower end of the inner rod 4 is fixed with a top block 41 which can slide in the cavity 21 in a reciprocating way.
Two frustum platforms 42 which are arranged at intervals and have the diameters reduced towards one end of the sealing plate 3 are fixed on the inner rod 4; two wedges 11 matched with the frustum 42 are arranged on the inner wall of the pipe sleeve 1, and each wedge 11 is positioned above the corresponding frustum 42.
The outer wall of the pipe sleeve 1 close to the sealing plate 3 is provided with a clamping seat 15; the clamping seat 15 is provided with a plurality of threaded rods 151, the sealing plate 3 is provided with second through holes 31 matched with the threaded rods 151, and the threaded rods 151 penetrate through the second through holes 31 and are screwed with nuts 152, so that the sealing plate 3 is fixedly connected to the pipe sleeve 1. .
The closing plate 3 is provided with a first through hole 32 matched with the inner rod 4; one end of the inner rod 4 close to the sealing plate 3 is provided with a threaded section, the inner rod 4 penetrates through the first through hole 32, and after the pipe sleeve 1 is pushed into the pore channel and is in close contact with the pore channel, the nut 45 is matched with the threaded section of the inner rod 4, so that the inner rod 4, the sealing plate 3 and the pipe sleeve 1 can be fixedly connected together.
The inner rod 4 is sleeved with a support ring 44 positioned between the frustum 42 and the conical head 2; a push plate 43 positioned between the frustum 42 and the support ring 44 is fixed on the inner rod 4; the diameter of the push plate 43 is smaller than that of the support ring 44; a supporting seat 12 for supporting and clamping a supporting ring 44 is arranged on the inner wall of the lower end part of the pipe sleeve 1; the support base 12 includes two guide blocks 13 disposed opposite to each other, and a locking groove 14 disposed between the two guide blocks 13. The guide block 13 is in a frustum shape, and the inner diameter thereof is gradually reduced along the direction close to the clamping groove 14.
Through the design that the support ring 44 is matched with the support seat 12 on the inner wall of the pipe sleeve 1, the end part of the pipe sleeve 1 can be further pushed and expanded, the support of the lower end part of the pipe sleeve 1 on the hole wall is effectively ensured, and the integral stable bearing of the pipe 1 sleeve is ensured.
A wedge-shaped ring 16 is arranged on the inner wall of the upper end part of the pipe sleeve 1; one side of the closing plate 3 close to the pipe sleeve 1 is provided with a conical ring 33 matched with the wedge-shaped ring 16, and the wedge-shaped ring 16 and the conical ring 33 are mutually propped against each other.
The upper end part of the pipe sleeve 1 is further expanded and supported by designing the conical ring 33 on the sealing plate 3 and matching with the wedge-shaped ring 16 on the inner wall of the upper end part of the pipe sleeve 1, so that the pipe sleeve 1 can stably bear the force to the pore channel.
The cone head 2 is provided with a tooth wall 22 which can cover the end part of the pipe sleeve 1.
Through design fluted wall 22 on conical head 2, when guaranteeing that set 1 is protected in the installation, further increase conical head 2 and the frictional force in pore through dentate lateral wall 22, guarantee conical head 2 to the vertical pulling force of equipment, reduce the risk that the stock breaks away from the pore.
The working principle is as follows:
a worker extends the conical head 2, the tooth wall 22 of which is covered at the end part of the pipe sleeve 1, into the hole channel, axially pushes the pipe sleeve 1 and the inner rod 4, and pushes the anchor rod towards the hole channel, when the pipe sleeve 1 is about to be completely immersed into the hole channel, only the inner rod 4 is pushed, the ejector block 41 pushes the conical head 2 to advance, so that the conical head 2 is separated from the pipe sleeve 1, and the push plate 43 pushes the support ring 44 to move forwards into the clamping groove 14 to support the pipe sleeve 1.
Under the action of the end nut, the wedge-shaped ring 16 and the cone ring 33 are matched to prop the end of the pipe sleeve 1, so that the pipe sleeve 1 is further ensured to be closely contacted with the duct.
The inner rod 4 is pulled to pull towards the direction of the closing plate 3, the conical head 2 can be pulled back upwards, the tooth wall 22 scrapes the filtering pore wall to form friction and is hooked on the surrounding pore wall.
The frustum 42 is matched with the wedge 11 to support the side wall of the pipe sleeve 1, so that the friction between the pipe sleeve 1 and the hole wall is effectively ensured.
Through the design at the conical head of pipe box 1 lower extreme, protect the guide to pipe box 1 package when carrying out the installation of pipe box 1, the effectual installation effectiveness that improves pipe box 1 carries out suitable shrink with pipe box 1 tip, the propulsion installation of pipe box 1 of being convenient for. The jacking block 41 which slides in the conical head 2 is arranged, the conical head 2 is only pushed through the inner rod 4, the separation of the conical head 2 and the end part of the pipe sleeve 1 is realized, the pipe sleeve 1 can support a hole quickly, the conical table 42 is matched with the wedge block 11 to jack the pipe sleeve 1, the conical head 2 is pulled back, and the peripheral hole wall is hooked, so that the risk that the pipe sleeve 1 is separated from the hole wall is further avoided.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (7)
1. The utility model provides an initiative inflation formula seam stock which characterized in that: comprises a pipe sleeve, a conical head sleeved at the lower end of the pipe sleeve, a sealing plate fixedly connected at the upper end of the pipe sleeve, and an inner rod inserted into an inner cavity of the pipe sleeve and penetrating through a through hole formed in the sealing plate; a cavity is arranged in the conical head; the lower end of the inner rod is fixed with a top block which can slide in the cavity in a reciprocating way; two frustum platforms which are arranged at intervals and the diameter of which is reduced towards one end of the sealing plate are fixed on the inner rod; two wedge blocks matched with the frustum are arranged on the inner wall of the pipe sleeve, and each wedge block is positioned above the corresponding frustum.
2. An active expansion type pipe seam anchor as claimed in claim 1, wherein: the outer wall of the pipe sleeve close to the sealing plate is provided with a clamping seat; the clamping seat is provided with a plurality of threaded rods, and the threaded rods penetrate through the threaded rod matched through holes arranged on the sealing plate and are screwed with the nuts to be fixedly connected to the upper end of the pipe sleeve.
3. An active expansion type pipe seam anchor as claimed in claim 1, wherein: and a threaded section is arranged at one end of the inner rod close to the sealing plate, and the inner rod is matched with the threaded section of the inner rod through a nut after passing through a through hole arranged in the sealing plate, so that the inner rod is fixedly connected with the sealing plate and the pipe sleeve.
4. An active expansion type pipe seam anchor as claimed in claim 1, wherein: the inner rod is sleeved with a support ring positioned between the frustum and the conical head; a push plate positioned between the frustum and the support ring is fixed on the inner rod; the diameter of the push plate is smaller than that of the support ring; the inner wall of the pipe sleeve is provided with a supporting seat for supporting and clamping a supporting ring; the supporting seat comprises two guide blocks arranged oppositely and a clamping groove arranged between the two guide blocks.
5. An active expansion type pipe seam anchor as claimed in claim 4, wherein: the guide block is frustum-shaped, and the inner diameter of the guide block is gradually reduced along the direction close to the clamping groove.
6. An active expansion type pipe seam anchor as claimed in claim 1, wherein: a wedge-shaped ring is arranged on the inner wall of the upper end part of the pipe sleeve; one side of the sealing plate close to the pipe sleeve is provided with a conical ring matched with the wedge-shaped ring, and the wedge-shaped ring and the conical ring are mutually propped against each other.
7. An active expansion type pipe seam anchor as claimed in claim 1, wherein: the tooth wall arranged on the cone head covers the end part of the pipe sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121006043.2U CN216077170U (en) | 2021-05-12 | 2021-05-12 | Active expansion type pipe seam anchor rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121006043.2U CN216077170U (en) | 2021-05-12 | 2021-05-12 | Active expansion type pipe seam anchor rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216077170U true CN216077170U (en) | 2022-03-18 |
Family
ID=80635582
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121006043.2U Active CN216077170U (en) | 2021-05-12 | 2021-05-12 | Active expansion type pipe seam anchor rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216077170U (en) |
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2021
- 2021-05-12 CN CN202121006043.2U patent/CN216077170U/en active Active
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