CN208705027U - The experimental provision of quick detachable adjustable anchorage length - Google Patents

The experimental provision of quick detachable adjustable anchorage length Download PDF

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Publication number
CN208705027U
CN208705027U CN201821540094.1U CN201821540094U CN208705027U CN 208705027 U CN208705027 U CN 208705027U CN 201821540094 U CN201821540094 U CN 201821540094U CN 208705027 U CN208705027 U CN 208705027U
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China
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tetragonous
coaming
batten
screw
coaming plate
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CN201821540094.1U
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Chinese (zh)
Inventor
刘少伟
王伟
贾后省
尹文怀
赵惠君
姜彦军
于涛
付孟雄
王永峰
高培成
许莉莉
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Henan University of Technology
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Henan University of Technology
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Abstract

The experimental provision of quick detachable adjustable anchorage length, including support, tetragonous coaming plate before several layers is vertically installed with by two front screw components on front side of upper surface of support, tetragonous coaming plate after several layers is vertically installed with by screw arbor assembly after two on rear side of upper surface of support, one layer of left flush coaming is provided on the left of every layer of preceding tetragonous coaming plate and rear tetragonous coaming plate, one layer of right flush coaming is provided on the right side of every layer of preceding tetragonous coaming plate and rear tetragonous coaming plate, there is anchoring test panel by horizontally disposed on front screw component and rear screw arbor assembly, several transparent anchor holes are offered in anchoring test panel.The utility model can be with the emulation roadway bolt of visual system or the overall process of cable bolting, the favorably research of anchor pole or cable bolting anchoring construction process on site, the detection of live anchor pole or cable bolting quality is also helped, while can be according to simulation roadway bolt or the anchoring procedure of anchor cable.

Description

The experimental provision of quick detachable adjustable anchorage length
Technical field
The utility model belongs to colliery tunnel support technical field, and in particular to a kind of reality of quick detachable adjustable anchorage length Experiment device.
Background technique
Currently, anchor pole or cable bolting have become coal mine roadway safely and efficiently main support pattern, in China's coal-mine lane It is widely applied in road.Anchor pole or cable bolting be by anchor pole or anchorage cable anchoring in coal and rock, tighten anchor pole or Anchor cable tail nut (lockset), to country rock apply pretightning force, constrain roadway surrounding rock deformation absciss layer, it is broken it is swollen with sliding the changing of the relative positions.Research Anchor pole or cable bolting process bear axial load and axial deformation performance, to in-depth anchor pole or cable bolting mechanism study, mention High anchor pole or cable bolting reliability guarantee that mine engineering is of great significance safely.
For anchor pole or cable bolting tunnel, can the superiority and inferiority of anchor pole or anchorage cable anchoring quality to improving country rock integrated carrying Power directly affects, and is the important indicator of Safety of Coal Mine Production.It therefore is to promote coal mine peace to the detection of Detection of Bolt Bonding Integrity The important link produced entirely.Anchorage experiment is to carry out anchor pole or cable bolting basic work, can be used for verifying anchor pole or anchor cable Anchor, can determine the anchor force of anchor pole or anchor cable by the experiment, anchoring body is each during obtaining anchor pole or anchorage cable anchoring Interfacial stress transfer law provides theoretical foundation for the reasonable anchorage length of determination.Therefore for complex conditions lower bolt or anchor cable Anchor mechanism, make with the problems such as country rock interaction relationship, stress distribution law and anchor pole or anchor cable solid bearer properties In-depth study is necessary.But field measurement is often subject to the limitation of environmental condition and the influence of a variety of uncertain factors, It is difficult to carry out.In comparison, indoor anchor characteristics experimental study is tested to be easier to obtain anchor system inherent laws, thus Technical support is provided for engineering.Dimension, design it is a kind of can be easy in laboratory conditions implementation, anchor pole or anchorage cable anchoring it is long Degree can be very necessary with flexible modulation and the energy anchor pole or anchorage cable anchoring experimental provision easy to disassemble with reuse.
Utility model content
The utility model provides a kind of reality of quick detachable adjustable anchorage length to solve shortcoming in the prior art Experiment device, can in laboratory conditions for complex conditions lower bolt or anchorage cable anchoring mechanism, with country rock interaction relationship, Stress distribution law, anchor pole or anchor cable solid bearer properties, anchor pole or anchorage cable anchoring measure of merit and observation anchor pole or anchor cable The problems such as feature of the using effect of Anchor Agent and anchor force, carries out analog study.
In order to solve the above technical problems, the utility model adopts the following technical solution: the reality of quick detachable adjustable anchorage length Experiment device, including support are vertically installed with tetragonous coaming plate before several layers by two front screw components on front side of upper surface of support, prop up Tetragonous coaming plate after several layers, every layer of preceding tetragonous coaming plate and rear four are vertically installed with by screw arbor assembly after two on rear side of seat upper surface It is provided with one layer of left flush coaming on the left of rib coaming plate, is provided with one layer on the right side of every layer of preceding tetragonous coaming plate and rear tetragonous coaming plate Right flush coaming, support, preceding tetragonous coaming plate, rear tetragonous coaming plate, left flush coaming and right flush coaming form the rectangular-shape of open top Chamber is tested, passes through the horizontally disposed anchoring reality having right above rectangular-shape experiment chamber on front screw component and rear screw arbor assembly Panel is tested, anchors and offers several transparent anchor holes in test panel.
Preceding tetragonous coaming plate is identical with the construction of rear tetragonous coaming plate and front and back is arranged symmetrically;
Tetragonous coaming plate includes vertically disposed vertical plate before every layer, and the upper side edge of vertical plate is stood along batten is fixedly installed The lower side of plate is fixedly installed left batten along lower batten, the left side edge of vertical plate is fixedly installed, and the right edge of vertical plate is solid Surely it is provided with right batten, upper batten, lower batten, left batten and right batten are each perpendicular to vertical plate and are located at the front side of vertical plate;
The left side and right side of upper batten and lower batten correspond to up and down and offer the first screw insertion, and preceding the four of lower layer The fitting corresponding with the lower batten of preceding tetragonous coaming plate of adjacent upper of the upper batten of rib coaming plate and the first screw insertion correspond to logical up and down Thoroughly, it is bolted by connection between left batten and left flush coaming and between right batten and right flush coaming.
Support includes horizontally disposed supporting plate, and the left and right side of supporting plate bottom surface is respectively provided with equipped with stabilizer blade, is opened up on stabilizer blade There is a lower margin screw hole, the four corners of supporting plate offer one and the first screw insertion corresponding second screw insertion up and down one by one; The lower batten of the preceding tetragonous coaming plate of basecoat and rear tetragonous coaming plate is bonded with supporting plate upper surface and the first screw insertion and the second spiral shell Bar jack is corresponding up and down;
Front screw component and rear screw arbor assembly are provided with two groups, and every group of front screw component and rear screw arbor assembly include spiral shell Bar, the first nut, the second nut, third nut and the 4th nut, screw rod are threaded through the first screw insertion and the second screw insertion Inside, the first nut thread be connected to screw rod lower end and with supporting plate lower surface press fit, the second nut thread is connected to screw rod Top and upper batten upper surface press fit with top layer;
The four corners of anchoring test panel offer perforation, and four perforation correspondences are set on four screw rods, third nut It is threaded on screw rod with the 4th nut, third nut upper end and anchoring test panel lower surface press fit, the 4th spiral shell Female upper end and anchoring test panel upper surface press fit.
By adopting the above technical scheme, the experimental method of the experimental provision of quick detachable adjustable anchorage length, it is characterised in that: packet Include following steps:
(1) the length dimension assembling for needing to anchor according to anchor pole or anchor cable by support, preceding tetragonous coaming plate, rear tetragonous coaming plate, Left flush coaming and right flush coaming are assembled into one;
(2) prepared analog material is paved intracavitary to rectangular-shape experiment and be compacted;
(3) anchoring test panel is installed on four screw rods;
(4) anchoring procedure for simulating coal mine roadway anchor pole or cable bolting places anchor pole or anchor in anchoring test panel Rope machine beats anchor pole or anchor cable toward the analog material that rectangular-shape tests intracavitary portion by the anchor hole in anchoring test panel;
(5) after anchor pole or anchorage cable anchoring are stablized, anchor pole or anchor cable drawing equipment are placed into support side, anchor pole or anchor cable The drawing head of drawing equipment is placed into anchoring test panel and clamps anchor pole or anchor cable pulls up anchor pole or anchor cable.
The detailed process of step (1) is, according to the length of anchor pole in experiment or anchorage cable anchoring and requires anchor pole or anchor cable Anchorage length, placing height and the comparable several layers of preceding tetragonous coaming plates of anchorage length and rear tetragonous coaming plate, the first screw rod on supporting plate After jack and the second screw insertion correspond, screw rod is penetrated, the first nut and the second nut are screwed on, then using connection bolt Left flush coaming and right flush coaming are respectively fixed on left batten and right batten again;Finally lower margin screw hole is penetrated using foundation bolt Support is fixed on the workbench in laboratory.
The detailed process of step (3) is first four third nuts to be screwed on four screw rods, then will anchor test panel four Perforation correspondence at angle is set on four screw rods, and then four the 4th nuts are screwed on four screw rods, in anchoring test panel Upper placement horizontal ruler, turn third nut and the 4th nut make to anchor test panel holding it is horizontal, and make to anchor test panel away from Meet requirement of experiment with a distance from rectangular-shape experiment top of chamber, spanner is reused after anchoring test panel holding is horizontal and tightens the Three nuts and the 4th nut.
The working principle of the utility model is as follows:
The purpose of this utility model is to install configured analog material using rectangular-shape experiment is intracavitary, simulates coal mine lane The anchoring procedure of road anchor pole or cable bolting can pass through anchoring experiment face with anchor pole or anchor cable machine on anchoring experimental provision Anchor hole on plate tests intracavitary portion toward rectangular-shape and plays anchor pole or anchor cable;Screw rod uses full thread high-strength bolt, passes through four Screw rod can either realize according to actual experiment condition, move up and down anchoring test panel to each position of screw rod and simultaneously match Close preceding tetragonous coaming plate, rear tetragonous coaming plate, left flush coaming and the right side for installing the fixed height specification (500mm) for facilitating installing and dismounting additional Flush coaming, with achieve the purpose that can be with flexible modulation anchor pole or anchorage cable anchoring length;Securely and reliably can be as one kind again Anchor pole or anchorage cable anchoring and the rigidity supporting structure for applying pretightning force, by the screw thread on screw rod, synchronizing moving third nut and 4th nut guarantees that anchor pole or anchor cable can be applied enough and accurate pretightning force;It is possible thereby to mould in laboratory conditions The anchoring procedure of quasi- coal mine roadway anchor pole or cable bolting and analyze for complex conditions lower bolt or anchorage cable anchoring mechanism, with enclose Rock interaction relationship, stress distribution law, anchor pole or anchor cable solid bearer properties, anchor pole or anchorage cable anchoring measure of merit and The stress condition of anchor pole or anchor cable, detects the information of anchor pole or anchor cable machine drilling, and the mechanical characteristics of anchor system change and go back The quantity of Anchor Agent can be made to be optimized, anchor pole can be repeated or anchorage cable anchoring power drawing is tested and can be tested by drawing Observe the changing features and observation between anchoring interface, Anchor Agent and the anchor pole of Anchor Agent and country rock or the anchoring interface of anchor cable The feature of the using effect and anchor force of anchor pole or anchorage cable anchoring agent.Simultaneously under the conditions of non-at-scene roadway bolt or anchor cable apply Work and anchoring effect monitoring provide simple platform and carry out, can be to tunnel by means of this novel anchor rod or anchorage cable anchoring experimental provision Anchor pole or anchor cable construction and effect detection provide biggish help, have to push for the research of roadway bolt or cable bolting and make With.
The product hierarchy of full thread high-strength bolt is 10.9 grades, material 42CrMo, and product specification is M50 × 3500, is Anchor pole or anchorage cable anchoring, application pretightning force and progress anchor pole or anchor cable drawing experiment provide a kind of safe and reliable rigid support Structure guarantees that anchor pole or anchor cable can apply enough pretightning forces and experimental provision overall stability, secondly, high-strength by full thread Screw thread on screw rod accurately quickly can apply pretightning force to anchor pole or anchor cable.
The utility model is simple and practical in structure, novel and unique, can be with the emulation roadway bolt or cable bolting of visual system Overall process, favorably the research of anchor pole or cable bolting anchoring construction process on site, also helps live anchor pole or anchor cable branch The detection of quality is protected, while can be studied according to simulation roadway bolt or the anchoring procedure of anchor cable for complex conditions lower bolt Or anchorage cable anchoring mechanism, with country rock interaction relationship, stress distribution law, anchor pole or anchor cable solid bearer properties, anchor pole Or the problems such as anchorage cable anchoring measure of merit and signature analysis of the using effect and anchor force of observation anchor pole or anchorage cable anchoring agent, point Analysis influences the factor of anchor pole or cable bolting, prevents working site from causing the accident due to anchor pole or failure of cable.
Detailed description of the invention
Fig. 1 is the three-dimensional structure diagram of the utility model.
Fig. 2 is the three-dimensional structure diagram that the utility model anchors test panel.
Fig. 3 is the three-dimensional structure diagram of tetragonous coaming plate before the utility model.
Fig. 4 is the three-dimensional structure diagram of the utility model left flush coaming and right flush coaming.
Fig. 5 is the three-dimensional structure diagram of the utility model screw rod.
Fig. 6 is the three-dimensional structure diagram of the utility model support.
Specific embodiment
As shown in figs 1 to 6, the experimental provision of the quick detachable adjustable anchorage length of the utility model, including support 1, support Tetragonous coaming plate 2 before several layers is vertically installed with by two front screw components on front side of 1 upper surface, and 1 upper surface of support rear side passes through Screw arbor assembly is vertically installed with tetragonous coaming plate 3 after several layers, the left side of every layer of preceding tetragonous coaming plate 2 and rear tetragonous coaming plate 3 after two It is provided with one layer of left flush coaming 4, the right side of every layer of preceding tetragonous coaming plate 2 and rear tetragonous coaming plate 3 is provided with one layer of right flush coaming 5, the rectangular-shape that support 1, preceding tetragonous coaming plate 2, rear tetragonous coaming plate 3, left flush coaming 4 and right flush coaming 5 form open top is real Chamber 6 is tested, passes through the horizontally disposed anchoring reality having right above rectangular-shape experiment chamber 6 on front screw component and rear screw arbor assembly Panel 7 is tested, anchors and offers several transparent anchor holes 8 in test panel 7.
Preceding tetragonous coaming plate 2 is identical with the construction of rear tetragonous coaming plate 3 and front and back is arranged symmetrically;
Tetragonous coaming plate 2 includes vertically disposed vertical plate 9 before every layer, and the upper side edge edge of vertical plate 9 is fixedly installed batten 10, for the lower side of vertical plate 9 along lower batten 11 is fixedly installed, the left side edge of vertical plate 9 is fixedly installed left batten 12, vertical plate 9 Right edge be fixedly installed right batten 13, upper batten 10, lower batten 11, left batten 12 and right batten 13 are each perpendicular to vertical plate 9 and be located at vertical plate 9 front side;
Correspondence offers the first screw insertion 14, lower layer up and down for the left side and right side of upper batten 10 and lower batten 11 Preceding tetragonous coaming plate 2 upper batten 10 it is corresponding with the lower batten 11 of preceding tetragonous coaming plate 2 of adjacent upper fitting and the first screw rod insert About 14 hole corresponds to penetrating, passes through connection between left batten 12 and left flush coaming 4 and between right batten 13 and right flush coaming 5 Bolt 15 connects.
Support 1 includes horizontally disposed supporting plate 16, and the left and right side of 16 bottom surface of supporting plate is respectively provided with equipped with stabilizer blade 17, stabilizer blade Offer lower margin screw hole 18 on 17, the four corners of supporting plate 16 offer one it is corresponding up and down one by one with the first screw insertion 14 Second screw insertion 27;The lower batten 11 of the preceding tetragonous coaming plate 2 of basecoat and rear tetragonous coaming plate 3 be bonded with 16 upper surface of supporting plate and First screw insertion 14 is corresponding with the second about 27 screw insertion;
Front screw component and rear screw arbor assembly are provided with two groups, and every group of front screw component and rear screw arbor assembly include spiral shell Bar 19, the first nut, the second nut 20, third nut 21 and the 4th nut 22, screw rod 19 be threaded through the first screw rod perforation 14 with Second screw rod perforation 18 inside, the first nut thread be connected to 19 lower end of screw rod and with 16 lower surface press fit of supporting plate, second Nut 20 be threaded in 19 top of screw rod and with 10 upper surface press fit of the upper batten of top layer;
The four corners of anchoring test panel 7 offer perforation 23, and four 23 correspondences of perforation are set on four screw rods 19, the Three nuts 21 and the 4th nut 22 are threaded on screw rod 19,21 upper end of third nut and anchoring 7 lower surface of test panel Press fit, 22 upper end of the 4th nut and anchoring 7 upper surface press fit of test panel.
The experimental method of the experimental provision of quick detachable adjustable anchorage length, it is characterised in that: the following steps are included:
(1) it needs the length dimension anchored assembling by support 1 according to anchor pole or anchor cable 26, preceding tetragonous coaming plate 2, rear tetragonous enclose Plate 3, left flush coaming 4 and right flush coaming 5 are assembled into one;
(2) prepared analog material is paved into rectangular-shape experiment chamber 6 and is compacted;
(3) anchoring test panel 7 is installed on four screw rods 19;
(4) anchoring procedure for simulating coal mine roadway anchor pole or 26 supporting of anchor cable, placed in anchoring test panel 7 anchor pole or 26 machine of anchor cable, by anchoring test panel 7 on anchor hole 8 toward rectangular-shape test chamber 6 inside analog material beat anchor pole or Anchor cable 26;
(5) after anchor pole or the anchoring of anchor cable 26 are stablized, anchor pole or anchor cable drawing equipment 24 are placed into 1 side of support, anchor pole Or the drawing head 25 of anchor cable drawing equipment 24 is placed into anchoring test panel 7 and clamps anchor pole or anchor cable 26 to anchor pole or anchor cable 26 pull up.
The detailed process of step (1) is the length anchored according to anchor pole in experiment or anchor cable 26 and requires anchor pole or anchor 26 anchorage length of rope, placing height and the comparable several layers of preceding tetragonous coaming plates 2 of anchorage length and rear tetragonous coaming plate 3 on supporting plate 16, After the perforation 14 of first screw rod and the second screw rod perforation 18 corresponds, screw rod 19 is penetrated, the first nut and the second nut 20 are screwed on, Then left flush coaming 4 and right flush coaming 5 are respectively fixed on left batten 12 and right batten 13 again using connection bolt 15;Finally It penetrates lower margin screw hole 18 using foundation bolt support 1 is fixed on the workbench in laboratory.
The detailed process of step (3) be first four third nuts 21 are screwed on four screw rods 19, then by anchor experiment face The correspondence of perforation 23 of 7 four corners of plate is set on four screw rods 19, and then four the 4th nuts 22 are screwed on four screw rods 19, Horizontal ruler is placed in anchoring test panel 7, turning third nut 21 and the 4th nut 22 makes to anchor 7 holding of test panel level, And anchoring test panel 7 is made to meet requirement of experiment apart from the distance at 6 top of rectangular-shape experiment chamber, anchoring test panel 7 is kept Spanner is reused after level tightens third nut 21 and the 4th nut 22.
The present embodiment not makes any form of restriction the shape of the utility model, material, structure etc., all foundations The technical essence of the utility model any simple modification, equivalent change and modification to the above embodiments, belong to this reality With the protection scope of new technique scheme.

Claims (3)

1. the experimental provision of quick detachable adjustable anchorage length, it is characterised in that: including support, pass through two on front side of upper surface of support Front screw component is vertically installed with tetragonous coaming plate before several layers, is vertically arranged on rear side of upper surface of support by screw arbor assembly after two There is tetragonous coaming plate after several layers, is provided with one layer of left flush coaming on the left of every layer of preceding tetragonous coaming plate and rear tetragonous coaming plate, every layer Be provided with one layer of right flush coaming on the right side of preceding tetragonous coaming plate and rear tetragonous coaming plate, support, preceding tetragonous coaming plate, rear tetragonous coaming plate, The rectangular-shape that left flush coaming and right flush coaming form open top tests chamber, passes through water on front screw component and rear screw arbor assembly The flat anchoring test panel being provided with right above rectangular-shape experiment chamber, anchor offered in test panel several on Under penetrating anchor hole.
2. the experimental provision of quick detachable adjustable anchorage length according to claim 1, it is characterised in that: preceding tetragonous coaming plate and The construction of tetragonous coaming plate is identical afterwards and front and back is arranged symmetrically;
Tetragonous coaming plate includes vertically disposed vertical plate before every layer, and the upper side edge edge of vertical plate is fixedly installed batten, vertical plate Lower side is fixedly installed left batten along lower batten, the left side edge of vertical plate is fixedly installed, and the right edge fixation of vertical plate is set It is equipped with right batten, upper batten, lower batten, left batten and right batten are each perpendicular to vertical plate and are located at the front side of vertical plate;
The left side and right side of upper batten and lower batten are corresponding up and down to offer the first screw insertion, and the preceding of lower layer tetragonous encloses Correspondence is penetrating above and below the fitting corresponding with the lower batten of preceding tetragonous coaming plate of adjacent upper of the upper batten of plate and the first screw insertion, left It is bolted by connection between batten and left flush coaming and between right batten and right flush coaming.
3. the experimental provision of quick detachable adjustable anchorage length according to claim 1, it is characterised in that: support includes level The supporting plate of setting, the left and right side of supporting plate bottom surface are respectively provided with equipped with stabilizer blade, offer lower margin screw hole, the quadrangle of supporting plate on stabilizer blade Place offers one and the first screw insertion upper and lower corresponding second screw insertion one by one;Tetragonous coaming plate is with after before basecoat The lower batten of tetragonous coaming plate is bonded with supporting plate upper surface and the first screw insertion and the second screw insertion are corresponding up and down;
Front screw component and rear screw arbor assembly are provided with two groups, every group of front screw component and rear screw arbor assembly include screw rod, First nut, the second nut, third nut and the 4th nut, screw rod are threaded through in the first screw insertion and the second screw insertion Portion, the first nut thread be connected to screw rod lower end and with supporting plate lower surface press fit, the second nut thread is connected on screw rod Portion and upper batten upper surface press fit with top layer;
The four corners of anchoring test panel offer perforation, and four perforation, which correspond to, to be set on four screw rods, third nut and the Four nuts are threaded on screw rod, third nut upper end and anchoring test panel lower surface press fit, on the 4th nut End and anchoring test panel upper surface press fit.
CN201821540094.1U 2018-09-20 2018-09-20 The experimental provision of quick detachable adjustable anchorage length Active CN208705027U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109163896A (en) * 2018-09-20 2019-01-08 河南理工大学 The experimental provision and its experimental method of quick detachable adjustable anchorage length
CN110261234A (en) * 2019-07-05 2019-09-20 山东科技大学 Crack rock absciss layer support with bolting simulation test device and method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109163896A (en) * 2018-09-20 2019-01-08 河南理工大学 The experimental provision and its experimental method of quick detachable adjustable anchorage length
CN110261234A (en) * 2019-07-05 2019-09-20 山东科技大学 Crack rock absciss layer support with bolting simulation test device and method

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