CN105096728A - Teaching device of roof separation observation under combined supporting of bolts and anchor cables and usage method - Google Patents
Teaching device of roof separation observation under combined supporting of bolts and anchor cables and usage method Download PDFInfo
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- CN105096728A CN105096728A CN201510570364.8A CN201510570364A CN105096728A CN 105096728 A CN105096728 A CN 105096728A CN 201510570364 A CN201510570364 A CN 201510570364A CN 105096728 A CN105096728 A CN 105096728A
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Abstract
The present invention provides a teaching device of roof separation observation under combined supporting of bolts and anchor cables and a usage method. The teaching device of roof separation observation under combined supporting of bolts and anchor cables mainly comprises telescopic bolts, basic point anchors, a casing, an exterior measuring cylinder, an internal measuring cylinder, steel strands, telescopic anchor cables and rigid plastics stratum modules. The rigid plastics stratum modules are connected through the steel strands, a surface of each rigid plastics stratum module is coated with normative stratum filling patterns to express the stratums with different lithologies, and the mutual movement among the rigid plastics stratum modules may be realized so as to simulate the stratum separation phenomenon; the telescopic bolts and the telescopic anchor cables are installed in the rigid plastics stratum modules; the exterior measuring cylinder, the internal measuring cylinder and the casing of the roof separation indicator are connected with a steel frame through the steel strands and the rigid plastics stratum modules; and the up-and-down movement of the rigid plastics stratum modules is controlled through gears and the steel strands which are connected through long rod handles so as to demonstrate the change process of the roof separation. According to the invention, the demonstration device is simple in structure and is capable of adequately demonstrating the mechanism of the combined supporting of the bolts and the anchor cables and the operating principle of the roof separation indicator.
Description
Technical field
The present invention relates to a kind of roof delamination observation instructional device and using method, especially a kind of roof delamination be applicable under Bolt-rope Support observes instructional device and using method.
Background technology
In the roadway support of China, generally adopt the mode of Bolt-rope Support, the effect of anchor pole is superficial part country rock around immediate support and reinforced roadway, improves integrated carrying ability and the self stability of country rock.By applying pretightning force to anchor cable, the supporting intensity of bolt supporting can be improved further, failure and deformation of surrounding rocks is controlled; When the damage envelope of country rock exceedes the anchorage length of anchor pole, by the suspension function of pretightning force anchor cable, the rock loosened by top board is suspended in stable rock stratum, deep, prevents top board inbreak out of control.Existing roof separation indicator can show in anchor pole and anchor cable length range and the absciss layer situation of the extraneous roof strata of anchor pole respectively, roof separation indicator can provide display directly perceived to roof delamination situation, the sign of Timeliness coverage top board unstability, to avoid the generation of roof fall accident; Meanwhile, roof separation indicator can also monitor rock mass deformation situation, as amendment, the important evidence improving anchor pole and cable bolting initial design parameters.At present, because the roof separation indicator used in scene cannot be demonstrated, consider the problems such as the production safety of mine, technical work personnel cannot get information about the principle of work of roof separation indicator.
Summary of the invention
Technical matters: the object of the invention is the principle of work in order to the mechanism and roof separation indicator showing Bolt-rope Support, provide the roof delamination observation instructional device and using method under a kind of structure Bolt-rope Support simple, with low cost, can careful image show the mechanism of Bolt-rope Support and the principle of work of roof separation indicator.
Technical scheme: the roof delamination observation instructional device under Bolt-rope Support of the present invention, comprise the steelframe be fixed on tripod, described steelframe madial wall is provided with tooth bar, polylith rigid plastic stratum module is provided with in steelframe, polylith rigid plastic stratum module is connected in series hanging on steelframe by symmetrically arranged steel strand wires, be installed on stock handle between described polylith rigid plastic stratum module, stock handle is positioned at that the body of rod at two ends inside steelframe is provided with can the gear of movement on steelframe madial wall tooth bar; Described polylith rigid plastic stratum module centers line symmetria bilateralis is provided with the scalable anchor cable be serially connected, the top of described scalable anchor cable is fixed on the top of steelframe, and the bottom of scalable anchor cable is fixed in the rigid plastic stratum module of bottom a piece through steel band, pallet antifriction pad, torque nut successively; Described scalable anchor cable symmetria bilateralis is provided with scalable anchor pole, the top of described scalable anchor pole is fixed between any two pieces of rigid plastic stratum modules, and the bottom of scalable anchor pole is fixed in the rigid plastic stratum module of bottom a piece through steel band, pallet antifriction pad, torque nut successively; Outer survey cylinder, the fixing outer sleeve pipe surveying cylinder is provided with in the middle part of the rigid plastic stratum module of described bottom a piece, interior survey cylinder is set with in outer survey cylinder, the bottom of every layer of rigid plastic stratum module is equipped with a superficial part basic point anchor, each superficial part basic point anchor is respectively connected with outer survey cylinder by steel strand wires, described steelframe middle top surface is provided with a deep basic point anchor, and deep basic point anchor is connected with interior survey cylinder by steel strand wires.
Described steelframe both sides are provided with groove, and the two ends of rigid plastic stratum module are all installed in the groove of steelframe both sides.
Described multilayer hard plastics stratum module is 3 ~ 8 layers.
The bottom of described multilayer hard plastics stratum module is equipped with the securing member be connected with steel strand wires.
The using method of the roof delamination instructional device under above-mentioned Bolt-rope Support, comprises the steps:
A, with steel strand wires, multilayer hard plastics stratum module to be serially connected, every layer of rigid plastic stratum module connects a superficial part basic point anchor with steel strand wires, and the many steel strand wires and outer survey cylinder that connect superficial part basic point anchor are linked together, again deep basic point anchor steel strand wires are connected with interior survey cylinder, with sleeve pipe, outer survey cylinder are fixed in the rigid plastic stratum module of bottom one deck;
B, the top of scalable anchor cable is fixed on the top of steelframe, then through multilayer hard plastics stratum module, the rigid plastic stratum module bottom surface of bottom one deck installs steel band, pallet, antifriction pad successively, and fixes with torque nut;
C, the top of scalable anchor pole is fixed between any two pieces of rigid plastic stratum modules, again through polylith rigid plastic stratum module, the rigid plastic stratum module bottom surface of bottom one deck installs steel band, pallet, antifriction pad successively, and fixes with torque nut;
D, steel strand wires are used to be connected to above steelframe by securing member respectively every layer of rigid plastic stratum module, simultaneously by the unnecessary steel strands wound of every layer of rigid plastic stratum module on stock handle, the terminal of steel strand wires is fixed on above stock handle, sticks into respectively in the groove of steelframe both sides by the both sides of rigid plastic stratum module;
E, hand stock handle, driven gear rotates, and the steel strand wires be wrapped in above stock handle unclamp, and rigid plastic stratum module starts to sink, and drives the distortion of scalable anchor pole and scalable anchor cable, realizes the simulation of roof delamination; By shaking different stock handles, the principle of anchor pole and Application of Combined Support with Anchor effect can be demonstrated out.
Beneficial effect: owing to have employed technique scheme, the invention provides safety, simple demonstrating model, the mechanism of Bolt-rope Support and the principle of work of roof delamination can be demonstrated out fully, the principle of work of the study that student also can be allowed in teaching practice more careful and grasp Bolt-rope Support technology and roof delamination.Require to carry out kinds of experiments by difference, show in anchor pole and anchor cable length range respectively and the absciss layer situation of the extraneous roof strata of anchor pole, display directly perceived can be provided to roof delamination situation, contribute to studying the on-the-spot sign that top board unstability occurs, avoid the generation of roof fall accident; Rock mass deformation situation can also be monitored, as amendment, the important evidence improving anchor pole and cable bolting initial design parameters simultaneously.Its structure is simple, and the convenience of operation, has practicality widely in the art.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is anchor structure schematic diagram in Fig. 1;
Fig. 3 is Fig. 1 stream line structural representation;
Fig. 4 is rigid plastic stratum module and basic point anchor structural representation in Fig. 1;
In figure: 1-steelframe; 2-gear; 3-stock handle; 4-tripod; 5-scalable anchor pole; 6-steel band; 7-pallet; 8-basic point anchor; 9-sleeve pipe; 10-survey cylinder outward; 11-interior survey cylinder; 12-antifriction pad; 13-torque nut; 14-steel strand wires; 15-scalable anchor cable; 16-superficial part basic point anchor; 17-deep basic point anchor; 18-securing member; 19-rigid plastic stratum module.
Embodiment
Below in conjunction with accompanying drawing, one embodiment of the present of invention are further described:
Roof delamination observation instructional device under Bolt-rope Support of the present invention, forms primarily of steelframe 1, gear 2, stock handle 3, tripod 4, scalable anchor pole 5, steel band 6, pallet 7, basic point anchor 8, sleeve pipe 9, outer survey cylinder 10, interior survey cylinder 11, antifriction pad 12, torque nut 13, steel strand wires 14, scalable anchor cable 15, superficial part basic point anchor 16, deep basic point anchor 17, securing member 18, rigid plastic stratum module 19; Steelframe 1 is fixed on tripod 4, described steelframe 1 madial wall is provided with tooth bar, polylith rigid plastic stratum module 19 is provided with in steelframe 1, polylith rigid plastic stratum module 19 is connected in series hanging on steelframe 1 by symmetrically arranged steel strand wires 14, described multilayer hard plastics stratum module 19 is 3 ~ 8 layers, and the bottom of described multilayer hard plastics stratum module 19 is equipped with the securing member 18 be connected with steel strand wires 14.Described steelframe 1 both sides are provided with groove, and the two ends of rigid plastic stratum module 19 are all installed in the groove of steelframe 1 both sides.Described module 19 surface, rigid plastic stratum scribbles the Filling pattern of specification, represent the stratum of different lithology, stock handle 3 is installed between polylith rigid plastic stratum module 19, interconnected by steel strand wires 14 between rigid plastic stratum module 19, the steel strand wires 14 of every one deck are all wrapped in above corresponding stock handle 3, the terminal of steel strand wires 14 is fixed on above stock handle 3, the top layer of rigid plastic stratum module 19 is connected with steelframe 1 by steel strand wires 14, the two ends of rigid plastic stratum module 19 are all fixed on steelframe 1 both sides, the bottom of every layer of rigid plastic stratum module 19 is all installed on the superficial part basic point anchor 16 of roof delamination, deep basic point anchor 17 is installed on steelframe 1, each superficial part basic point anchor 16 is respectively connected with the outer survey cylinder 10 of roof separation indicator with steel strand wires 14, deep basic point anchor 17 by steel strand wires 14 with survey cylinder 11 in roof separation indicator and be connected, steelframe 1 is firm on the ground by tripod 4.The body of rod that stock handle 3 is positioned at two ends inside steelframe 1 is provided with can the gear 2 of movement on steelframe 1 madial wall tooth bar; Described polylith rigid plastic stratum module 19 center line symmetria bilateralis is provided with the scalable anchor cable 15 be serially connected, the top of described scalable anchor cable 15 is fixed on the top of steelframe 1, and the bottom of scalable anchor cable 15 is fixed in the rigid plastic stratum module 19 of bottom a piece through steel band 6, pallet 7 antifriction pad 12, torque nut 13 successively; Described scalable anchor cable 15 symmetria bilateralis is provided with scalable anchor pole 5, the top of described scalable anchor pole 5 is fixed between any two pieces of rigid plastic stratum modules 19, and the bottom of scalable anchor pole 5 is fixed in the rigid plastic stratum module 19 of bottom a piece through steel band 6, pallet 7 antifriction pad 12, torque nut 13 successively; Outer survey cylinder 10, the fixing outer sleeve pipe 9 surveying cylinder 10 is provided with in the middle part of the rigid plastic stratum module 19 of described bottom a piece, interior survey cylinder 11 is set with in outer survey cylinder 10, the bottom of every layer of rigid plastic stratum module 19 is equipped with a superficial part basic point anchor 16, each superficial part basic point anchor 16 is respectively connected with outer survey cylinder 10 by steel strand wires, described steelframe 1 middle top surface is provided with a deep basic point anchor 17, and deep basic point anchor 17 is connected with interior survey cylinder 11 by steel strand wires.
The using method of the roof delamination observation instructional device under Bolt-rope Support, first, every layer of rigid plastic stratum module 19 used steel strand wires to be connected with the outer survey cylinder 10 of roof delamination by superficial part basic point anchor 16 respectively, then sleeve pipe 9, deep basic point anchor 17 and superficial part basic point anchor 16 are connected in turn.The terminal of scalable anchor cable 15 is fixed on the top of steelframe 1, again through rigid plastic stratum module 19, in the least significant end of rigid plastic stratum module 19, successively steel band 6, pallet 7, antifriction pad 12 are installed, finally use torque nut 13 to be fixed by scalable anchor cable 15; Again the terminal of scalable anchor pole 5 is fixed between any two pieces of rigid plastic stratum modules, again through rigid plastic stratum module 19, in the least significant end of rigid plastic stratum module 19, successively steel band 6, pallet 7, antifriction pad 12 are installed, finally use the scalable anchor pole 5 of torque nut 13 to fix.Be connected surveying cylinder 11 in the deep basic point anchor 8 above steelframe 1 and roof delamination, then steel strand wires 14 every layer of rigid plastic stratum module 19 are used to be connected to above steelframe 1 by securing member 18 respectively, simultaneously by the unnecessary steel strands wound of every layer of rigid plastic stratum module 19 on stock handle 3, the terminal of steel strand wires 14 is fixed on stock handle 3.Stick into respectively in the groove of steelframe both sides by the both sides of rigid plastic stratum module 19, steelframe 1 is firm on the ground by tripod 4.During use, shake stock handle 3, driven gear rotates, and the steel strand wires be wrapped in above stock handle 3 unclamp, and rigid plastic stratum module 19 starts to sink, and drives the distortion of scalable anchor shaft anchor cable, can realize the simulation of roof delamination; By shaking the stock handle 3 of diverse location, the principle of anchor pole and Application of Combined Support with Anchor effect can be demonstrated out; Change with top board surface relative displacement by measuring two basic points, record the total absciss layer of top board (or sinking) amount i.e. outer survey cylinder reading, relative to the dark basic point anchoring extraneous absciss layer amount i.e. outer difference surveying cylinder reading and interior survey cylinder reading, in relative to the absciss layer amount within the scope of the anchoring of shallow foundation point being, survey cylinder reading.Concrete steps are as follows:
A, with steel strand wires 14, multilayer hard plastics stratum module 19 to be serially connected, every layer of rigid plastic stratum module 19 connects a superficial part basic point anchor 16 with steel strand wires, and the many steel strand wires and outer survey cylinder 10 that connect superficial part basic point anchor 16 are linked together, again deep basic point anchor 17 steel strand wires are connected with interior survey cylinder 11, with sleeve pipe 9, outer survey cylinder 10 are fixed in the rigid plastic stratum module 19 of bottom one deck;
B, the top of scalable anchor cable 15 is fixed on the top of steelframe, again through multilayer hard plastics stratum module 19, module 19 bottom surface, rigid plastic stratum of bottom one deck installs steel band 6, pallet 7, antifriction pad 12 successively, and fixes with torque nut 13;
C, the top of scalable anchor pole 5 is fixed between any two pieces of rigid plastic stratum modules 19, again through polylith rigid plastic stratum module 19, module 19 bottom surface, rigid plastic stratum of bottom one deck installs steel band 6, pallet 7, antifriction pad 12 successively, and fixes with torque nut 13;
D, steel strand wires 14 are used to be connected to above steelframe 1 by securing member 18 respectively every layer of rigid plastic stratum module 19, the unnecessary steel strand wires 14 of every layer of rigid plastic stratum module 19 are wrapped in above stock handle 3 simultaneously, the terminal of steel strand wires 14 is fixed on above stock handle 3, sticks into respectively in the groove of steelframe 1 both sides by the both sides of rigid plastic stratum module 19;
E, hand stock handle 3, driven gear 2 rotates, and the steel strand wires 14 be wrapped in above stock handle 3 unclamp, and rigid plastic stratum module 19 starts to sink, and drives the distortion of scalable anchor pole 5 and scalable anchor cable 15, realizes the simulation of roof delamination; By shaking different stock handles 3, the principle of anchor pole and Application of Combined Support with Anchor effect can be demonstrated out.
Claims (5)
1. the roof delamination observation instructional device under a Bolt-rope Support, it is characterized in that: it comprises the steelframe (1) be fixed on tripod (4), described steelframe (1) madial wall is provided with tooth bar, polylith rigid plastic stratum module (19) is provided with in steelframe (1), polylith rigid plastic stratum module (19) is connected in series hanging on steelframe (1) by symmetrically arranged steel strand wires (14), stock handle (3) is installed between described polylith rigid plastic stratum module (19), the body of rod that stock handle (3) is positioned at two ends, steelframe (1) inner side is provided with can the gear (2) of movement on steelframe (1) madial wall tooth bar, described polylith rigid plastic stratum module (19) center line symmetria bilateralis is provided with the scalable anchor cable (15) be serially connected, the top of described scalable anchor cable (15) is fixed on the top of steelframe (1), and the bottom of scalable anchor cable (15) is fixed on rigid plastic stratum module (19) of bottom a piece through steel band (6), pallet (7) antifriction pad (12), torque nut (13) successively, described scalable anchor cable (15) symmetria bilateralis is provided with scalable anchor pole (5), the top of described scalable anchor pole (5) is fixed between any two pieces of rigid plastic stratum module (19), and the bottom of scalable anchor pole (5) is fixed on rigid plastic stratum module (19) of bottom a piece through steel band (6), pallet (7) antifriction pad (12), torque nut (13) successively, the middle part, rigid plastic stratum module (19) of described bottom one piece is provided with outer survey cylinder (10), the fixing outer sleeve pipe (9) surveying cylinder (10), interior survey cylinder (11) is set with in outer survey cylinder (10), the bottom of every layer of rigid plastic stratum module (19) is equipped with a superficial part basic point anchor (16), each superficial part basic point anchor (16) is respectively connected with outer survey cylinder (10) by steel strand wires, described steelframe (1) middle top surface is provided with deep basic point anchor (17), deep basic point anchor (17) is connected with interior survey cylinder (11) by steel strand wires.
2. the roof delamination observation instructional device under a kind of Bolt-rope Support according to claim 1, it is characterized in that: described steelframe (1) both sides are provided with groove, the two ends on rigid plastic stratum module (19) are all installed in the groove of steelframe (1) both sides.
3. the roof delamination observation instructional device under a kind of Bolt-rope Support according to claim 1, is characterized in that: described multilayer hard plastics stratum module (19) is 3 ~ 8 layers.
4. the roof delamination observation instructional device under a kind of Bolt-rope Support according to claim 1 or 3, is characterized in that: the bottom of described multilayer hard plastics stratum module (19) is equipped with the securing member (18) be connected with steel strand wires (14).
5. the using method of the roof delamination instructional device under Bolt-rope Support according to claim 1, is characterized in that comprising the steps:
A, with steel strand wires (14), multilayer hard plastics stratum module (19) to be serially connected, every layer of rigid plastic stratum module (19) connects a superficial part basic point anchor (16) with steel strand wires, and the many steel strand wires and outer survey cylinder (10) that connect superficial part basic point anchor (16) are linked together, again deep basic point anchor (17) steel strand wires are connected with interior survey cylinder (11), with sleeve pipe (9), outer survey cylinder (10) are fixed on rigid plastic stratum module (19) of bottom one deck;
B, the top of scalable anchor cable (15) is fixed on the top of steelframe, again through multilayer hard plastics stratum module (19), module (19) bottom surface, rigid plastic stratum of bottom one deck installs steel band (6), pallet (7), antifriction pad (12) successively, and fixes with torque nut (13);
C, the top of scalable anchor pole (5) is fixed between any two pieces of rigid plastic stratum module (19), again through polylith rigid plastic stratum module (19), module (19) bottom surface, rigid plastic stratum of bottom one deck installs steel band (6), pallet (7), antifriction pad (12) successively, and fixes with torque nut (13);
D, steel strand wires (14) are used to be connected to above steelframe (1) by securing member (18) respectively every layer of rigid plastic stratum module (19), the unnecessary steel strand wires (14) of every layer of rigid plastic stratum module (19) are wrapped in above stock handle (3) simultaneously, the terminal of steel strand wires (14) is fixed on above stock handle (3), is sticked into respectively the both sides on rigid plastic stratum module (19) in the groove of steelframe (1) both sides;
E, hand stock handle (3), driven gear (2) rotates, and the steel strand wires (14) be wrapped in above stock handle (3) unclamp, and rigid plastic stratum module (19) starts to sink, drive the distortion of scalable anchor pole (5) and scalable anchor cable (15), realize the simulation of roof delamination; By shaking the stock handle (3) of diverse location, the principle of anchor pole and Application of Combined Support with Anchor effect can be demonstrated out.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510570364.8A CN105096728B (en) | 2015-09-09 | 2015-09-09 | Roof delamination observation instructional device and application method under Bolt-rope Support |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510570364.8A CN105096728B (en) | 2015-09-09 | 2015-09-09 | Roof delamination observation instructional device and application method under Bolt-rope Support |
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| CN105096728A true CN105096728A (en) | 2015-11-25 |
| CN105096728B CN105096728B (en) | 2017-06-30 |
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Cited By (1)
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| CN106023765A (en) * | 2016-07-05 | 2016-10-12 | 青岛本末岩控技术有限公司 | Top board separation layer demonstration apparatus and demonstration method |
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| CN105096728B (en) | 2017-06-30 |
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