CN205301083U - Experimental auxiliary device of tunnel stock - Google Patents
Experimental auxiliary device of tunnel stock Download PDFInfo
- Publication number
- CN205301083U CN205301083U CN201620047370.5U CN201620047370U CN205301083U CN 205301083 U CN205301083 U CN 205301083U CN 201620047370 U CN201620047370 U CN 201620047370U CN 205301083 U CN205301083 U CN 205301083U
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- CN
- China
- Prior art keywords
- anchor pole
- anchor
- tunnel
- stock
- jack
- Prior art date
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Abstract
The utility model discloses an experimental auxiliary device of tunnel stock belongs to tunnel engineering technical field, including being used in the die pull ground tackle on the stock and exerting the jack of die pull to the ground tackle, still be connected the frame of fixing of drawing with stock and extension bar anchor including supporting the cover, adding long anchor rod and set up supporting respectively in overlapping, support the cover and for one end opening one end confined cylinder steel cylinder, be equipped with the protection shield between its open end and the tunnel country rock, the jack is used in on the outer terminal surface of blind end, the up end of protection shield is provided with the boss, and lower terminal surface is provided with the bitch. The utility model discloses a set up the protection shield can increase with ground area of contact, reduce contact pressure to the accuracy that is favorable to the test result, it is effectively extra long through going on former stock with long anchor rod, can carry out the effectual experiment of drawing to the stock anchor rope that awaits measuring of reserving insufficient length, improve its application range.
Description
Technical field
The utility model belongs to Tunnel Engineering technical field, is specifically related to a kind of tunnel anchor rod experiment servicing unit.
Background technology
Mixed at works such as highway subgrade slope reinforcing, tunnel surrounding preliminary bracing, Tunnel Second Lining concrete strengthening, bridgesIn solidifying native reinforcing engineering, anchor pole can increase the concrete cohesive force of post-reinforcing effectively, increases shearing strength and bearing capacity, because ofThe anchor force of this anchor pole is very important data, in order to test the anchor force that detects crotch anchor pole, generally applies drawing instrument thousandJin jacking row pull-out test detects.
In existing anchor rod drawing test, generally all require to the reserved certain length (about 30cm) of test anchor shaft anchor cable, to ensureThe enforcement of pull-out test. Pre-allowance is too short, does not just possess experimental condition, and the test that cannot carry out anchor rod drawing detects. In order to doTo random inspection to anchor bolt construction quality, a lot of units in charge of construction utilize the drawback of this length in reserve, to be checked by length in reserveAnchor shaft anchor cable, strictly construction on request, testing result is completely qualified existing; And the anchor shaft anchor cable of length in reserve not uses inferior materials and turns out substandard goods,The construction quality extreme difference of anchor shaft anchor cable, cannot implement pull-out test, has a strong impact on the quality of tunnel surrounding and side slope.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of tunnel anchor rod experiment servicing unit, deposits to solve prior artBecause anchor pole length in reserve deficiency cannot be carried out effective pull-out test and caused having a strong impact on asking of tunnel surrounding and side slope qualityTopic.
The purpose of this utility model is achieved through the following technical solutions:
A kind of tunnel anchor rod experiment servicing unit, comprises and pulling capacity can be acted on to the ground tackle on anchor pole and ground tackle is applied to pulling capacityJack, also comprise support set, lengthen anchor pole and be arranged in support set respectively and drawing that anchor pole and extension bar anchor are connected and fixedPull out frame, described lengthening anchor pole is connected fastening successively with ground tackle through the via hole arranging on support set, jack, and described support set isThe cylinder steel cylinder of one end opening one end sealing, is provided with baffle between its openend and tunnel surrounding, and described jack acts on envelopeOn the outer face of closed end, the upper surface of described baffle is provided with boss, and lower surface is provided with bitch, and described boss is provided with useIn the cannelure of fixed support cover, described bitch is equidistantly arranged on baffle.
Further, described drawing frame comprises arm-tie, intermediate plate ring and is connected both subties, and described arm-tie is fixed with lengthening anchor pole,Described intermediate plate ring and anchor pole are fixed, and described subtie has four, and are symmetricly set on anchor pole periphery, its one end and intermediate plate ring spiral shellLine connects, and the other end and arm-tie are fixed with bolt.
Further, described lengthening anchor pole, support set and the central axis of jack and the central axes of anchor pole.
The beneficial effects of the utility model are:
The utility model can increase and contact area of ground by baffle is set, and reduces footprint pressure, thereby is conducive to test knotThe accuracy of fruit; Can effectively lengthen former anchor pole by lengthening anchor pole, can be to the anchor shaft anchor cable to be measured of length in reserve deficiencyCarry out effective pull-out test, can guarantee construction quality, farthest prevented anchor pole in tunnel surrounding or slope project reinforcingThe phenomenon of using inferior materials and turning out substandard goods of anchor cable occurs; Also having solved tunnel anchor pole pulling test jack by cylinder steel cylinder support set is difficult for fixingA difficult problem with insufficient strength.
Other advantages of the present utility model, target and feature will be set forth to a certain extent in the following description,And to a certain extent, based on will be apparent to those skilled in the art to investigating below, orPerson can be instructed from practice of the present utility model. Target of the present utility model and other advantages can be passed through belowDescription is realized and is obtained.
Brief description of the drawings
In order to make the purpose of this utility model, technical scheme and advantage clearer, new to this practicality below in conjunction with accompanying drawingType is described in further detail, wherein:
Fig. 1 is the structural representation of a kind of tunnel of the utility model anchor rod experiment servicing unit.
Reference numeral:
1-anchor pole; 2-ground tackle; 3-jack; 4-support set; 5-lengthens anchor pole; 6-tunnel surrounding; 7-baffle; 8-boss;9-cannelure; 10-arm-tie; 11-intermediate plate ring; 12-subtie; 13-bitch.
Detailed description of the invention
Hereinafter with reference to accompanying drawing, preferred embodiment of the present utility model is described in detail. Should be appreciated that preferred realityExecute example only for the utility model is described, instead of in order to limit protection domain of the present utility model.
As shown in the figure, a kind of tunnel anchor rod experiment servicing unit of the present embodiment, comprises and pulling capacity can be acted on anchor pole 1Ground tackle 2 and ground tackle 2 is applied to the jack 3 of pulling capacity, also comprises support set 4, lengthens anchor pole 5 and be arranged in support set 4With anchor pole 1 and lengthen the drawing frame that is connected and fixed of anchor pole 5, described support set 4 is the cylindrical steel of end opening one end sealing respectivelyCylinder, is provided with baffle between its openend and tunnel surrounding 6, and described lengthening anchor pole 5 is successively through support set 4, jack 3The via hole of upper setting is connected fastening with ground tackle 2, be beneficial to support set 4, jack 3, ground tackle 2 are pressed on to tunnel surrounding 6 togetherUpper, carry out pull-out test, while specifically enforcement, the via hole of support set 4, jack 3 is arranged on to center separately, even if addThe dead in line of the axis of long anchor pole 5 and support set 4 and jack 3, finally makes and the central axes of anchor pole 1, makesPulling capacity proportionality action, on anchor pole 1, obtains result accurately.
In the present embodiment, described support set 4 is the cylinder steel cylinder of end opening one end sealing, adopts its tensile strength of Steel materialHeight, bearing capacity is strong, between its openend and tunnel surrounding 6, be provided with baffle 7, and described jack 3 acts on blind endOn outer face, increase and the contact area of tunnel surrounding 6 by baffle 7, reduce footprint pressure, improve its bearing capacity andThe accuracy of experiment, the present embodiment is provided with boss 8 on the upper surface of baffle 7, and described boss 8 is provided with for fixingThe cannelure 9 of support set, can be spacing to support set, install rapidly, and guarantee is consistent with anchor pole center; Under described baffleEnd face is provided with bitch 13, and described bitch 13 is equidistantly arranged on baffle, can increase the adhesive force to ground, improves its knotStructure power, prevents and ground relative sliding.
In the present embodiment, described drawing frame comprises arm-tie 10, intermediate plate ring 11 and is connected both subties 12, described arm-tie 10Anchor pole 5 is fixing with lengthening, and described intermediate plate ring 11 is fixing with anchor pole 1, and described subtie 12 has four, and is symmetricly set onAnchor pole 1 periphery, its one end is threaded with intermediate plate ring 11, and the other end and arm-tie 10 use bolts are fixed.
The present embodiment can effectively lengthen former anchor pole by lengthening anchor pole, can be to the anchor shaft anchor cable to be measured of length in reserve deficiencyCarry out effective pull-out test, can guarantee construction quality, farthest prevented anchor pole in tunnel surrounding or slope project reinforcingThe phenomenon of using inferior materials and turning out substandard goods of anchor cable occurs; Meanwhile, also having solved tunnel anchor pole pulling test jack by support set is difficult for fixingA difficult problem.
Finally explanation, above embodiment is only unrestricted in order to the technical solution of the utility model to be described, although with reference to betterEmbodiment has been described in detail the utility model, and those of ordinary skill in the art should be appreciated that can be to this practicalityNovel technical scheme is modified or is equal to replacement, and does not depart from aim and the scope of the technical program, and it all should be containedCover in the middle of claim scope of the present utility model.
Claims (3)
1. a tunnel anchor rod experiment servicing unit, comprises the ground tackle that pulling capacity can be acted on anchor pole and ground tackle is applied to pulling capacityJack, is characterized in that: also comprise support set, lengthen anchor pole and be arranged in support set respectively and anchor pole and extension bar anchorThe drawing frame being connected and fixed, described lengthening anchor pole is connected fastening successively with ground tackle through the via hole arranging on support set, jack,Described support set is the cylinder steel cylinder of end opening one end sealing, between its openend and tunnel surrounding, is provided with baffle, described inJack acts on the outer face of blind end, and the upper surface of described baffle is provided with boss, and lower surface is provided with bitch,Described boss is provided with the cannelure for fixed support cover, and described bitch is equidistantly arranged on baffle.
2. a kind of tunnel according to claim 1 anchor rod experiment servicing unit, is characterized in that: described drawing frame comprise arm-tie,Intermediate plate ring and the subtie that is connected both, described arm-tie is fixed with lengthening anchor pole, and described intermediate plate ring and anchor pole are fixed, described pairPull bar has four, and is symmetricly set on anchor pole periphery, and its one end is threaded with intermediate plate ring, the other end and arm-tie boltFixing.
3. a kind of tunnel according to claim 1 anchor rod experiment servicing unit, is characterized in that: described lengthening anchor pole, support setAnd the central axis of jack and the central axes of anchor pole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620047370.5U CN205301083U (en) | 2016-01-19 | 2016-01-19 | Experimental auxiliary device of tunnel stock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620047370.5U CN205301083U (en) | 2016-01-19 | 2016-01-19 | Experimental auxiliary device of tunnel stock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205301083U true CN205301083U (en) | 2016-06-08 |
Family
ID=56429595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620047370.5U Expired - Fee Related CN205301083U (en) | 2016-01-19 | 2016-01-19 | Experimental auxiliary device of tunnel stock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205301083U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108051129A (en) * | 2017-12-30 | 2018-05-18 | 天津市九方煤矿机械制造有限公司 | A kind of mine anchor rod tensiometer |
| CN109115616A (en) * | 2018-10-24 | 2019-01-01 | 东北大学 | A kind of pipe seam anchor bar anchoring force test device and its application method |
| CN109187341A (en) * | 2018-10-23 | 2019-01-11 | 厦门建研建筑产业研究有限公司 | A kind of anti-method for beating stone material adhesion strength of sample detection exterior finish |
| CN109696352A (en) * | 2019-01-26 | 2019-04-30 | 李少祯 | L shape anchor rod drawing test clamping device for highway engineering |
| CN110132738A (en) * | 2019-05-20 | 2019-08-16 | 中南大学 | A kind of anchor rod drawing force checking device |
| CN110160876A (en) * | 2019-02-20 | 2019-08-23 | 中交隧道工程局有限公司 | It is a kind of to use III plate-type unballasted track bed plate L-type steel muscle pull-out test device of CRTS |
| CN117388081A (en) * | 2023-12-12 | 2024-01-12 | 西南交通大学 | Test device and test method for determining bearing capacity of tunnel anchor by backward-pushing loading |
-
2016
- 2016-01-19 CN CN201620047370.5U patent/CN205301083U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108051129A (en) * | 2017-12-30 | 2018-05-18 | 天津市九方煤矿机械制造有限公司 | A kind of mine anchor rod tensiometer |
| CN108051129B (en) * | 2017-12-30 | 2024-06-04 | 天津市九方煤矿机械制造有限公司 | Mining anchor rod tension meter |
| CN109187341A (en) * | 2018-10-23 | 2019-01-11 | 厦门建研建筑产业研究有限公司 | A kind of anti-method for beating stone material adhesion strength of sample detection exterior finish |
| CN109115616A (en) * | 2018-10-24 | 2019-01-01 | 东北大学 | A kind of pipe seam anchor bar anchoring force test device and its application method |
| CN109115616B (en) * | 2018-10-24 | 2020-11-10 | 东北大学 | Pipe seam anchor rod anchoring force testing device and using method thereof |
| CN109696352A (en) * | 2019-01-26 | 2019-04-30 | 李少祯 | L shape anchor rod drawing test clamping device for highway engineering |
| CN110160876A (en) * | 2019-02-20 | 2019-08-23 | 中交隧道工程局有限公司 | It is a kind of to use III plate-type unballasted track bed plate L-type steel muscle pull-out test device of CRTS |
| CN110132738A (en) * | 2019-05-20 | 2019-08-16 | 中南大学 | A kind of anchor rod drawing force checking device |
| CN117388081A (en) * | 2023-12-12 | 2024-01-12 | 西南交通大学 | Test device and test method for determining bearing capacity of tunnel anchor by backward-pushing loading |
| CN117388081B (en) * | 2023-12-12 | 2024-04-02 | 西南交通大学 | Test device and test method for determining bearing capacity of tunnel anchor by backward-pushing loading |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160608 Termination date: 20180119 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |