CN214403630U - Dual-purpose hollow anchor rod for measuring and anchoring - Google Patents

Dual-purpose hollow anchor rod for measuring and anchoring Download PDF

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Publication number
CN214403630U
CN214403630U CN202022018657.4U CN202022018657U CN214403630U CN 214403630 U CN214403630 U CN 214403630U CN 202022018657 U CN202022018657 U CN 202022018657U CN 214403630 U CN214403630 U CN 214403630U
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Prior art keywords
rod
anchoring
hollow anchor
anchor rod
dual
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CN202022018657.4U
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张传庆
刘小岩
张春生
陈建林
周辉
胡大伟
卢景景
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Wuhan Institute of Rock and Soil Mechanics of CAS
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Wuhan Institute of Rock and Soil Mechanics of CAS
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Abstract

The utility model discloses a survey dual-purpose cavity stock of anchor, include: the device comprises a hollow anchor rod, an anchoring inner rod, an anchoring head, a sealing sleeve, a pull rope, an integrated displacement measurement and acquisition instrument, a fastening nut, a grout stop plug, a tray and an outer end cover; a first limiting bulge is arranged on the rod body of the hollow anchor rod; the two ends of the hollow anchor rod are respectively provided with a first window and a second window, the anchoring inner rod is slidably embedded in the hollow anchor rod and the first window, the anchoring head is fixed at the first end of the anchoring inner rod, and the sealing sleeve is sleeved at the second end of the anchoring inner rod; the first end of the pull rope passes through the second window and is connected to the second end of the anchoring inner rod, and the second end of the pull rope is connected with the integrated displacement measurement and acquisition instrument fixed to the second end of the hollow anchor rod; the external screw thread has been seted up to the second end of cavity stock, ends thick liquid stopper and tray cup joint on the second end of cavity stock, and the fastening nut spiro union is served at the second of cavity stock, and outer end cover cup joints on fastening nut. The utility model discloses the scheme can realize that high-quality anchor is surveyed dual-purpose.

Description

Dual-purpose hollow anchor rod for measuring and anchoring
Technical Field
The utility model relates to an anchor rod technical field, in particular to survey dual-purpose cavity anchor rod of anchor.
Background
The deformation control and the radial displacement measurement of the underground engineering surrounding rock are core contents and direct parameters for evaluating the mechanical response of the surrounding rock excavation, and the radial displacement control and the radial displacement measurement are two important contents of the stability of the surrounding rock. In the existing surrounding rock control, an anchor rod is used as an important carrier and is the most important component of surrounding rock support of underground excavation spaces such as roadways, tunnels and the like. In actual engineering, when the anchor rod plays a role in reinforcing surrounding rock, how to monitor the deformation of the surrounding rock after the anchor rod is reinforced is an important content for testing the applicability and the anchoring effect of the anchor rod, but the content still needs to be additionally measured by special measuring equipment. However, the instrument embedding cost is high, the construction time is long, the installation technical requirement is high, the anchor rod is only used for key parts of major projects or scientific research experiment work, mass productive installation is difficult to carry out, and the anchor rod cannot be used for measurement by using a carrier of the anchor rod.
Therefore, the utility model discloses an it can utilize the stock anchor to find one kind, can carry out the radial deformation measuring stock of country rock again.
SUMMERY OF THE UTILITY MODEL
The utility model provides a survey dual-purpose cavity stock of anchor realizes reliable anchor and measurement operation.
In order to solve the technical problem, the utility model provides a survey dual-purpose cavity stock of anchor, include: the device comprises a hollow anchor rod, an anchoring inner rod, an anchoring head, a sealing sleeve, a pull rope, an integrated displacement measurement and acquisition instrument, a fastening nut, a grout stop plug, a tray and an outer end cover;
a first limiting bulge is arranged on the rod body of the hollow anchor rod;
the first end of the hollow anchor rod is provided with a first window, the inner anchoring rod is slidably embedded in the hollow anchor rod and the first window, the anchoring head is fixed at the first end of the inner anchoring rod, and the sealing sleeve is sleeved at the second end of the inner anchoring rod;
a second window is formed in the second end of the hollow anchor rod, the first end of the pull rope is connected to the second end of the anchor inner rod, the second end of the pull rope penetrates through the second window to be connected with the integrated displacement measurement and acquisition instrument, and the integrated displacement measurement and acquisition instrument is fixed to the second end of the hollow anchor rod;
the second end of cavity stock has seted up the external screw thread, only starch stopper with the tray cup joints on the second end of cavity stock, fastening nut spiro union is in on the second end of cavity stock, outer end cover cup joints fastening nut is last and will integrated form displacement measurement gathers appearance cladding including.
Furthermore, an indicator light is arranged on the integrated displacement measurement and acquisition instrument.
Further, the first limiting bulge is spiral and is arranged along the circumferential direction of the rod body of the hollow anchor rod.
Further, a second limiting bulge is arranged on the rod body at the first end of the anchoring inner rod.
Furthermore, the second limiting bulge is spiral and is arranged along the circumferential direction of the rod body of the anchoring inner rod.
Further, survey dual-purpose hollow stock of anchor still includes: a bracket and a support nut;
the support nut is in threaded connection with the second end of the hollow anchor rod, the support is fixed to the support nut, and the integrated displacement measurement and acquisition instrument 6 is fixed to the support.
Further, the fastening nut includes: a threaded sleeve;
the tail end of the threaded sleeve is provided with a fixed cavity, and the integrated displacement measurement acquisition instrument is embedded in the fixed cavity.
Furthermore, the fastening nut is provided with a clamping and embedding surface, and the outer end cover is sleeved on the clamping and embedding surface.
One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:
the dual-purpose hollow anchor rod for measuring and anchoring provided by the embodiment of the application is provided with the hollow anchor rod and the anchoring inner rod which are nested, the anchoring head is fixed on the anchoring inner rod, so that anchoring can be realized through the hollow anchor rod, displacement measurement can be realized through the anchoring inner rod, and displacement quantification can be realized by combining the pull rope and the integrated displacement measurement and acquisition instrument; through cup jointing sealing sleeve on the anchor inner rod tail end body of rod, sealed cavity stock inner chamber to avoid the thick liquid to ooze, influence integrated form displacement measurement collection appearance isotructure. The anchoring and fixing functions are realized through the fastening nut, the grout stopping plug, the tray and the outer end cover which are sleeved outside the hollow anchor rod. The dual-purpose hollow anchor rod for measuring and anchoring has the advantages of high integration level, simple structure, simple and convenient operation and wide application.
Drawings
Fig. 1 is a schematic structural view of a dual-purpose hollow anchor rod for measuring and anchoring provided by an embodiment of the present invention;
fig. 2 is a schematic structural view of a hollow anchor rod provided by an embodiment of the present invention.
Detailed Description
The embodiment of the application realizes reliable anchoring and measurement operation by providing the dual-purpose hollow anchor rod for measuring and anchoring.
In order to better understand the technical solutions, the technical solutions will be described in detail below with reference to the drawings and the specific embodiments of the present disclosure, and it should be understood that the specific features in the embodiments and examples of the present disclosure are detailed descriptions of the technical solutions of the present disclosure, but not limitations of the technical solutions of the present disclosure, and the technical features in the embodiments and examples of the present disclosure may be combined with each other without conflict.
Referring to fig. 1 and 2, a hollow anchor rod for measuring and anchoring includes: the anchor rod comprises a hollow anchor rod 10, an anchor inner rod 3, an anchor head 1, a sealing sleeve 4, a pull rope 5, an integrated displacement measurement and acquisition instrument 6, a fastening nut 9, a grout stop plug, a tray 11 and an outer end cover 8.
The first limiting bulge is formed in the rod body of the hollow anchor rod 10, so that the hollow anchor rod can be reliably fixed with slurry and surrounding rock, and an anchoring structure is conveniently strengthened.
First window has been seted up to the first end of cavity stock 10, 3 slidable inlays in the cavity stock 10 with in the first window, anchor head 1 is fixed the first end of 3 in the anchor, thereby can with 3 in the anchor when fixing in the country rock, characterize its displacement.
The sealing sleeve 4 is sleeved on the second end of the anchoring inner rod 3, so that the inner cavity of the hollow anchor rod 10 can be sealed; in order to facilitate the representation of displacement, a larger gap is reserved between the inner cavity of the hollow anchor rod 10 and the anchoring inner rod 3, so that the radial displacement can be adapted, and the influence of the transitional extrusion friction of the anchoring inner rod 3 on the reliability of the anchoring structure and the reliability of displacement measurement caused by the hollow anchor rod 10 is avoided.
A second window is formed in the second end of the hollow anchor rod 10, the first end of the pull rope 5 is connected to the second end of the anchor inner rod 3, the second end of the pull rope 5 penetrates through the second window to be connected with the integrated displacement measurement and acquisition instrument 6, and the integrated displacement measurement and acquisition instrument 6 is fixed to the second end of the hollow anchor rod 10.
The second end of the hollow anchor rod 10 is provided with an external thread 12, the grout stop plug and the tray 11 are sleeved on the second end of the hollow anchor rod 10, the fastening nut 9 is in threaded connection with the second end of the hollow anchor rod 10, the outer end cover 8 is sleeved on the fastening nut 9 and coats the integrated displacement measurement acquisition instrument 6, and therefore the outer end of the hollow anchor rod 10 is fixed, and meanwhile protection of a measurement structure is achieved.
Further, an indicator light 7 is arranged on the integrated displacement measurement and acquisition instrument 6 and used for representing the working state.
And a second limiting bulge is arranged on the rod body at the first end of the anchoring inner rod 3, so that the fixing strength of the anchoring inner rod 3 is enhanced.
Generally, the first limiting protrusion and the second limiting protrusion are helical and are respectively arranged along the shaft circumference of the hollow anchor rod 10 and the anchoring inner rod 3.
In order to fix the integrated displacement measurement acquisition instrument 6 and ensure the measurement posture thereof, the dual-purpose hollow anchor rod for measuring and anchoring further comprises: a bracket and a support nut; the support nut is screwed on the second end of the hollow anchor rod 10, the support is fixed on the support nut, and the integrated displacement measurement and acquisition instrument 6 is fixed on the support.
Or, the fastening nut is a threaded sleeve; the tail end of the threaded sleeve is provided with a fixed cavity, and the integrated displacement measurement acquisition instrument 6 is embedded in the fixed cavity.
It should be noted that the displacement sensing end of the integrated displacement measurement and acquisition instrument 6 is arranged in the rod cavity of the hollow anchor rod 10, so that the pull rope 5 can ensure the posture and avoid the influence on displacement acquisition due to the contact with the hollow anchor rod 10.
Furthermore, a clamping and embedding surface is formed on the fastening nut 9, and the outer end cover 8 can be directly sleeved on the clamping and embedding surface.
One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:
the dual-purpose hollow anchor rod for measuring and anchoring provided by the embodiment of the application is provided with the hollow anchor rod and the anchoring inner rod which are nested, the anchoring head is fixed on the anchoring inner rod, so that anchoring can be realized through the hollow anchor rod, displacement measurement can be realized through the anchoring inner rod, and displacement quantification can be realized by combining the pull rope and the integrated displacement measurement and acquisition instrument; through cup jointing sealing sleeve on the anchor inner rod tail end body of rod, sealed cavity stock inner chamber to avoid the thick liquid to ooze, influence integrated form displacement measurement collection appearance isotructure. The anchoring and fixing functions are realized through the fastening nut, the grout stopping plug, the tray and the outer end cover which are sleeved outside the hollow anchor rod. The dual-purpose hollow anchor rod for measuring and anchoring has the advantages of high integration level, simple structure, simple and convenient operation and wide application.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the examples, those skilled in the art should understand that the technical solutions of the present invention can be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.

Claims (8)

1. The utility model provides a survey dual-purpose cavity stock of anchor which characterized in that includes: the device comprises a hollow anchor rod, an anchoring inner rod, an anchoring head, a sealing sleeve, a pull rope, an integrated displacement measurement and acquisition instrument, a fastening nut, a grout stop plug, a tray and an outer end cover;
a first limiting bulge is arranged on the rod body of the hollow anchor rod;
the first end of the hollow anchor rod is provided with a first window, the inner anchoring rod is slidably embedded in the hollow anchor rod and the first window, the anchoring head is fixed at the first end of the inner anchoring rod, and the sealing sleeve is sleeved at the second end of the inner anchoring rod;
a second window is formed in the second end of the hollow anchor rod, the first end of the pull rope is connected to the second end of the anchor inner rod, the second end of the pull rope penetrates through the second window to be connected with the integrated displacement measurement and acquisition instrument, and the integrated displacement measurement and acquisition instrument is fixed to the second end of the hollow anchor rod;
the second end of cavity stock has seted up the external screw thread, only starch stopper with the tray cup joints on the second end of cavity stock, fastening nut spiro union is in on the second end of cavity stock, outer end cover cup joints fastening nut is last and will integrated form displacement measurement gathers appearance cladding including.
2. The dual-purpose hollow anchor rod for measuring and anchoring according to claim 1, wherein an indicator light is arranged on the integrated displacement measurement and acquisition instrument.
3. The dual-purpose hollow anchor rod for measuring and anchoring of claim 1, wherein the first limit bulge is in a spiral shape and is circumferentially arranged along the rod body of the hollow anchor rod.
4. The dual-purpose hollow anchor rod for measuring and anchoring as claimed in claim 1, wherein the rod body of the first end of the anchoring inner rod is provided with a second limiting protrusion.
5. The dual-purpose hollow anchor rod for measuring and anchoring of claim 4, wherein the second limiting bulge is in a spiral shape and is arranged along the circumferential direction of the rod body of the anchor inner rod.
6. The dual-purpose hollow anchor rod for measuring and anchoring of claim 1, further comprising: a bracket and a support nut;
the support nut is in threaded connection with the second end of the hollow anchor rod, the support is fixed to the support nut, and the integrated displacement measurement and acquisition instrument 6 is fixed to the support.
7. The dual-purpose hollow anchor shank for measuring and anchoring of claim 1, wherein the fastening nut comprises: a threaded sleeve;
the tail end of the threaded sleeve is provided with a fixed cavity, and the integrated displacement measurement acquisition instrument is embedded in the fixed cavity.
8. The dual-purpose hollow anchor rod for measuring and anchoring as claimed in claim 1, wherein the fastening nut is provided with a clamping and embedding surface, and the outer end cap is sleeved on the clamping and embedding surface.
CN202022018657.4U 2020-09-15 2020-09-15 Dual-purpose hollow anchor rod for measuring and anchoring Active CN214403630U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022018657.4U CN214403630U (en) 2020-09-15 2020-09-15 Dual-purpose hollow anchor rod for measuring and anchoring

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022018657.4U CN214403630U (en) 2020-09-15 2020-09-15 Dual-purpose hollow anchor rod for measuring and anchoring

Publications (1)

Publication Number Publication Date
CN214403630U true CN214403630U (en) 2021-10-15

Family

ID=78017691

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202022018657.4U Active CN214403630U (en) 2020-09-15 2020-09-15 Dual-purpose hollow anchor rod for measuring and anchoring

Country Status (1)

Country Link
CN (1) CN214403630U (en)

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