CN108037021B - Horizontal stepless orthogonal limiting shear box suitable for multi-size structural surface - Google Patents
Horizontal stepless orthogonal limiting shear box suitable for multi-size structural surface Download PDFInfo
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- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/24—Investigating strength properties of solid materials by application of mechanical stress by applying steady shearing forces
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
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Abstract
The horizontal stepless orthogonal limit shearing box suitable for the multi-size structural surface comprises an upper disc shearing box and a lower disc shearing box, wherein the upper disc shearing box and the lower disc shearing box are consistent in structure, namely the structural surface shearing boxes are adopted; the structure surface shearing box comprises a unit limiting frame, a bottom plate, a unit limiting jack, a unit lifting lock, a regulator, a combined nut and a limiting strip, and the limiting mode and the limiting position of the upper disc shearing box and the limiting position of the lower disc shearing box are the same. The invention has the advantages of good test effect, convenient operation, short construction period, low manufacturing cost and small occupied space.
Description
Technical Field
The invention relates to a horizontal stepless orthogonal limit shearing box suitable for a multi-size structural surface, which is suitable for an indoor and outdoor direct shearing test of a multi-size rectangular structural surface sample, and belongs to the technical field of engineering.
Background
In ergonomic activities, engineering accidents caused by deformation and instability of rock mass are layered endlessly, causing huge loss of life and property. The research of the size effect of the rock structural surface has important significance for guiding the stability of rock mass engineering, and the rock structural surface shearing box with corresponding size is needed for direct shearing test of the rock structural surface with any rectangular size.
Disclosure of Invention
In order to overcome the defects of large number, complex working procedure, unreliable data, long test period, large occupied space and the like of a series of shearing boxes with various sizes in the shearing strength size effect test of the structural surface, the invention provides a stepless horizontal orthogonal limit shearing box suitable for the structural surface with various sizes, and the invention has the characteristics of good test effect, convenient operation, short construction period, low manufacturing cost, small occupied space and the like.
The technical scheme adopted for solving the technical problems is as follows:
the horizontal stepless orthogonal limit shearing box suitable for the multi-size structural surface comprises an upper disc shearing box and a lower disc shearing box, wherein the upper disc shearing box and the lower disc shearing box are consistent in structure, namely the names of the upper shearing box and the lower shearing box are respectively represented by the structural surface shearing box;
the structure surface shearing box comprises a unit limiting frame, a bottom plate, a unit limiting jack, a unit lifting lock, an adjustor, a combined nut and limiting strips, wherein limiting guide grooves are respectively arranged on front and rear symmetrical edges of the unit limiting frame, guide groove combined holes are respectively formed in two ends of the two symmetrical limiting guide grooves, openings are formed in the left and right symmetrical edges for mounting and dismounting the limiting strips, lifting limiting screw holes are formed in the left and right symmetrical edges, limit frame cross fixing holes are respectively formed in four vertex angles, limit frame fixing screw holes are respectively formed in corresponding edges of the limit frame cross fixing holes, limit frame connecting wedge rings are arranged in four bottom corners, bottom plate cross fixing holes are respectively formed in four vertex angles of the bottom plate, bottom plate fixing screw holes are respectively formed in corresponding edges of the corresponding bottom plate cross fixing holes, the unit limiting jack comprises an adjusting unit and a combined unit, hexagonal adjusting screw hole and an adjusting unit are respectively formed in the bottom and the top of the adjusting unit, lifting lock combined nut and the combined screw holes are respectively formed in the bottom and the top of the adjusting unit, lifting lock and the lifting lock combined holes are respectively formed in the outer sides of the lifting lock fixing wedge holes;
the limiting mode and the limiting position of the upper disc shearing box and the lower disc shearing box are the same.
Further, the unit limiting frame is equipped with spacing guide slot respectively around the symmetry edge, and two symmetrical spacing guide slot both ends all open and have the guide slot combination hole, for installation and dismantlement spacing in spacing guide slot provide the opening, open on the bilateral symmetry edge has jacking limit screw hole, be equipped with spacing cross fixed orifices on four apex angles, and be equipped with spacing connection wedge ring at four base angles, open simultaneously on spacing cross fixed orifices corresponds the limit respectively and have spacing fixed screw hole, can realize that the one-way level is spacing when a unit limiting frame and spacing are combined.
Still further, the limiting guide groove is used for controlling the limiting strip to move on the limiting guide groove, so that the limiting strip can slide in a stepless manner in the unit limiting frame; the guide slot combination holes are formed in two ends of the limiting guide slot, and the limiting strips can be freely installed and detached in the unit limiting frame.
Furthermore, the cross fixing holes of the limiting frames are used for connecting the unit lifting lock, the bottom plate and other unit limiting frames in a combined way through the combined nuts, so that the control of the vertical dimension of the shearing box and the combination mode of the horizontal unit limiting frames are realized; the jacking limit screw hole is internally provided with threads, and the fixing and control unit limits the jacking device to realize the limit of the structural surface sample in the horizontal shearing direction; the limiting frame fixing threaded holes fix the limiting frame connecting wedge ring and the unit lifting lock connecting wedge ring in the holes through the combined nuts, so that the combination of the unit limiting frame and the unit lifting lock is realized; the limiting frame connecting wedge ring is used for connecting the unit lifting lock, the bottom plate and other unit limiting frames in a combined mode through the combined nut, so that the limiting frames are effectively combined and connected with other components.
The top and the bottom of the unit lifting lock are respectively provided with a lifting lock wedge ring and a lifting lock combination hole, the outer side of the lifting lock corresponding to the lifting lock combination hole is provided with a fixed threaded hole, and the unit lifting lock is used for controlling the vertical height of the shear box by freely combining a plurality of unit lifting locks according to the size requirement of a sample; the lifting lock wedge ring is fixed in a lifting lock combination hole, a limiting frame cross hole or a bottom plate cross fixing hole of the other unit lifting lock through a combination nut, and the existing unit lifting lock is fixed with the other unit lifting lock, the unit limiting frame or the bottom plate.
The unit limiting jack comprises an adjusting unit and a combining unit, the adjusting unit and the limiting unit are combined according to the size of the structural surface sample, and finally the adjusting unit is finely adjusted through an adjustor, so that stepless sliding of the limiting block is realized.
The bottom and the top of the adjusting unit are respectively provided with a hexagonal adjusting hole and an adjusting unit combined threaded hole, and adjusting threads are arranged on the periphery of the adjusting unit, and the adjusting unit rotates at the jacking limit threaded hole, so that the fine adjustment process of the adjusting unit is realized.
The bottom and the top of the combined unit are respectively provided with a combined nut and a combined unit threaded hole, the adjusting unit and the limiting unit are combined according to the size of the structural surface sample, the threaded code and the combined unit are combined and adjusted according to the size of the structural surface sample, and finally fine adjustment is performed to realize the stepless orthogonal limiting of the structural surface in the horizontal direction.
The four vertex angles of the bottom plate are respectively provided with a bottom plate cross fixing hole, and the edges corresponding to the bottom plate cross fixing holes are respectively provided with a bottom plate fixing threaded hole for accommodating a structural surface sample; the adjuster adjusts the combined nut to realize the assembly and disassembly processes of all the components.
The horizontal stepless orthogonal limiting structural surface shearing box provided by the invention has the characteristics of reliable test data, convenience in operation, short construction period, low manufacturing cost, small occupied space and the like, and can realize the direct shearing test of a multi-size rectangular structural surface sample although only one shearing box is arranged.
The beneficial effects of the invention are mainly shown in the following steps: 1) The range for the structural surface sample is wide. The structural surface size effect needs a series of structural surface direct shear tests with various sizes, but one shearing box of the traditional direct shear device can only realize structural surface samples with the sizes corresponding to the shearing box; 2) The test result is reliable; in the sample loading process, firstly placing a sample into a shearing combined frame, and then carrying out orthogonal limiting according to the size of the sample; in the sampling process, the orthogonal limiting frame is loosened first, then the rock sample is taken out, and compared with the traditional shearing box, the shearing box avoids the problem that the sample is loosened due to the fact that the size of the rock sample is bigger and is difficult to load the sample, and the measured data can truly show the actual test process. 3) The operation is convenient; in the process of realizing sample placement, only the unit limiting lifter and the unit lifting lock are required to be adjusted according to the size of the sample, so that the complicated operation process saving time is omitted, and the operation process is safe and rapid. 4) Low cost and small occupied space. The shearing test of the structural surfaces with various sizes is required, and the shearing test of the structural surfaces with various sizes can be realized by only one shearing box.
Drawings
Fig. 1 is a three-dimensional view of a shear box.
Fig. 2 is a three view of the unit stopper.
Fig. 3 is a three-view of the base plate.
Fig. 4 is a front view and a top view of the unit lift lock.
Fig. 5 is a three view of the unit lift lock assembly.
Fig. 6 is a schematic view of a combination nut.
Fig. 7 is a front view and a top view of the unit stop jack.
Fig. 8 is a three-dimensional view of a unit-spacing jack assembly.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
Referring to fig. 1 to 8, a horizontal stepless orthogonal limit shear box applicable to a multi-size structural surface mainly comprises a unit limit frame 1, a bottom plate 2, a unit limit lifter 3, a unit lifting lock 4, an adjustor 5, a combination nut 6 and a limit strip 7. The unit limiting frame 1 is provided with limiting guide grooves 101 on front and rear symmetrical edges respectively, two ends of the two symmetrical limiting guide grooves 101 are provided with guide groove combined holes 102, openings are provided for installing and detaching limiting strips 7 in the limiting guide grooves 101, jacking limiting threaded holes 106 are formed on bilateral symmetrical edges, four vertex angles are provided with limiting frame cross fixing holes 103, meanwhile, limiting frame cross fixing holes 104 are respectively formed on corresponding edges of the limiting frame cross fixing holes 103, four bottom corners are provided with limiting frame connecting wedge rings 107, bottom plate cross fixing holes 201 are respectively formed on four vertex angles of a bottom plate 2, bottom plate fixing threaded holes 202 are respectively formed on corresponding edges of the bottom plate cross fixing holes 201, the unit limiting lifter 3 comprises an adjusting unit 301 and a combined unit 302, hexagonal adjusting holes 305 and adjusting unit combined threaded holes 303 are respectively formed on the bottom and the top of the adjusting unit 301, adjusting threads 304 are respectively formed on the periphery of the adjusting unit 301, combined unit nuts 307 and combined unit threaded holes 306 are respectively formed on the bottom and the top of the combined unit lifting locks 4, lifting lock rings 401 and lifting lock combined holes 403 are respectively formed on the top and bottom of the combined unit lifting lock 4, and lifting lock combined holes 403 are respectively provided with lifting unit lifting lock fixing threaded holes 402. The assembly process of the upper disc shearing box and the lower disc shearing box of the structural surface are mutually independent. The limiting mode and the limiting position of the upper disc shearing box and the lower disc shearing box are the same. The unit limiting frame 1 is provided with limiting guide grooves 101 on the front and rear symmetrical edges respectively, two ends of each of the two symmetrical limiting guide grooves 101 are provided with guide groove combination holes 102, openings are provided for installing and detaching limiting strips 7 in the limiting guide grooves 101, jacking limiting threaded holes 106 are formed in the left and right symmetrical edges, limiting frame cross fixing holes 103 are formed in four vertex angles, limiting frame connecting wedge rings 107 are arranged in four bottom corners, limiting frame fixing threaded holes 104 are formed in corresponding edges of the limiting frame cross fixing holes 103 respectively, and single-direction horizontal limiting can be achieved when the single unit limiting frame 1 is combined with the limiting strips 7. The limiting guide groove 101 is used for controlling the limiting strip 7 to move on the limiting guide groove 101, so that stepless sliding of the limiting strip 7 in the unit limiting frame 1 is realized. The guide slot combination hole 102 can realize free installation and detachment of the limit strip 7 in the unit limit frame 1. The cross fixing holes 103 of the limiting frames are mainly used for combining and connecting the unit lifting lock 4, the bottom plate 2 and other unit limiting frames 1 through the combined nuts 6, so that the control of the size of the vertical shearing box and the combination mode of the horizontal unit limiting frames 1 are realized. The jacking limit threaded hole 106 is mainly used for fixing and controlling the unit limit lifter 3, and limiting of the structural surface sample in the horizontal shearing direction is achieved. The limit frame fixing threaded holes 104 fix the limit frame connecting wedge ring 107 and the falling wedge ring 401 in the holes mainly through the combined nuts 6, so that the combination of the unit limit frame 1 and the unit lifting lock 4 is realized. The limiting frame connecting wedge ring 107 is used for connecting the unit lifting lock 4, the bottom plate 2 and other unit limiting frames 1 in a combined way mainly through the combined nut 6, so that the limiting frames are effectively connected with other components in a combined way. The top and the bottom of the unit lifting lock 4 are respectively provided with a lifting lock wedge ring 401 and a lifting lock combination hole 403, and lifting lock fixing threaded holes 402 are formed in the outer sides of the lifting locks corresponding to the lifting lock combination holes 403, and the unit lifting lock 4 is used for controlling the height of the vertical shearing box by freely combining a plurality of unit lifting locks 4 mainly according to the size requirement of a sample. The lifting lock wedge ring 401 is fixed by a combination nut 6, and the lifting lock wedge ring 401 is fixed in a lifting lock combination hole 403, a limiting frame cross fixing hole 103 or a bottom plate cross fixing hole 201 of the other unit lifting lock 4, and the unit lifting lock 4 is fixed with the other unit lifting lock 4, the unit limiting frame 1 or the bottom plate 2. The unit limiting jack 3 comprises an adjusting unit 301 and a combining unit 302, the adjusting unit 301 and the limiting unit are combined according to the size of the structural surface sample, and finally the adjusting unit 301 is finely adjusted through the adjuster 5, so that stepless sliding of the limiting block is realized. The bottom and the top of the adjusting unit 301 are respectively provided with a hexagonal adjusting hole 305 and an adjusting unit combined threaded hole 303, and the periphery of the adjusting unit 301 is provided with an adjusting thread 304, and the adjusting unit 301 rotates in the jacking limit threaded hole 106, so that the fine adjustment process of the adjusting unit 301 is realized. The bottom and the top of the combination unit 302 are respectively provided with a combination unit nut 6 and a combination unit threaded hole 306, the adjustment unit 301 and the limiting unit are combined according to the size of the structural surface sample, the adjustment screw 304 code and the combination unit 302 are combined according to the size of the structural surface sample, and finally fine adjustment is performed to realize the stepless orthogonal limiting of the structural surface in the horizontal direction. The four vertex angles of the bottom plate 2 are respectively provided with a bottom plate cross fixing hole 201, and the edges corresponding to the bottom plate cross fixing holes 201 are respectively provided with bottom plate fixing threaded holes 202 which are mainly used for accommodating structural surface samples. The adjuster 5 mainly adjusts the combination nut 6 to realize the assembly and disassembly processes of each component.
The horizontal stepless orthogonal limiting shear box assembly method suitable for the multi-size structural surface of the embodiment comprises the following steps:
1) Selecting the test structural surface sample size: and selecting a corresponding structural surface sample according to the test design scheme, and formulating a unit lifting lock and a combination scheme.
2) Assembling a shear box: the unit lifting lock 4, the bottom plate 2 and the unit limiting frame 1 are assembled according to the vertical height of the structural surface sample to form a basic shearing box outer frame, wherein the unit limiting frames 1 are assembled in a staggered mode, so that the horizontal orthogonal limiting of the shearing box is realized, meanwhile, the height control of the vertical shearing box is realized, and in the process, two shearing boxes are assembled together, namely an upper disc shearing box and a lower disc shearing box.
3) Placing shear box (lower disc shear box): after the outer frame of the shearing box is assembled, the shearing box is placed on a direct shear apparatus, and the orthogonal limiting strips 7 are placed in the limiting guide grooves 101 of the shearing box and are arranged at two ends in a poking mode, so that the lower plate structure surface samples can be placed.
4) Placing a structural surface lower plate sample: the lower disc sample of the structural surface is placed in the middle of the shearing box, and the orthogonal limiting strip 7 is arranged on the periphery of the structural surface of the lower disc.
5) Spacing jacking ware 3 of assembled unit: and measuring the distance from the limiting bar 7 to the outer frame of the limiting bar, and reasonably assembling the adjusting unit 301 and the combining unit 302 in the unit limiting jack 3 according to the measured distance, so as to realize stepless orthogonal sliding of the limiting bar 7 in the limiting bar.
6) Fine adjustment unit limit jack 3: after the combination of the unit limiting lifters 3 is completed, a small distance exists between the unit limiting lifters 3 and the limiting strips 7, and at the moment, the combined unit 302 is enabled to prop against the limiting strips 7 through the rotary adjusting unit 301, so that the horizontal orthogonal limiting of the lower disc shear box unit limiting frame 1 is realized, and further the lower disc structural surface sample is tightly fixed in the shear box.
7) Placing the structural surface upper disc sample on the structural surface lower disc sample in an anastomotic manner: placing the structural side upper tray sample on the structural side lower tray sample requires that the structural side upper tray sample be perfectly aligned with the lower tray sample.
8) Installing an upper disc shearing box: and (3) aligning the upper disc shearing box assembled in the step (2) above the lower disc shearing box, aligning the upper disc shearing box above the lower disc shearing box after the upper disc sample of the structural surface is placed, placing the upper disc structural surface sample in the middle of the upper disc shearing box, and carrying out the combined unit limiting jack 3 according to the steps (5) and (6), and carrying out fine adjustment.
9) And (3) performing a direct shear test: after the structural surface sample is placed, a direct shear test can be performed.
10 Using regulator 5, unscrewing the upper and lower disc shearing box limit lifters, sequentially taking down the upper disc shearing box, the structural surface upper disc sample and the structural surface lower disc sample.
11 The process is to complete a direct shear test, and the subsequent test can be performed according to steps 1) to 10).
In this example, the upper disc shear box and the lower disc shear box are the same in model number, so that the horizontal maximum structural surface size is 300mm×300mm by taking a single shear box as an example.
The size of the outer frame of the limiting frame of the shear box unit is 350mm multiplied by 350mm, the thickness is 25mm, the size of the inner frame is 300mm multiplied by 300mm, four vertex angles at the upper part of the limiting frame are provided with cross fixing holes of 15mm multiplied by 5mm crossed limiting frames, the four vertex angles at the upper part of the limiting frame are welded with wedge rings, the diameter of the rings is 15mm, the lower parts of the cross fixing holes of the limiting frames are respectively provided with limiting frame fixing threaded holes with the diameter of 15mm, limiting guide grooves with the size of 20mm multiplied by 340 are arranged on symmetrical frames inside the limiting frame, and jacking limiting threaded holes with the diameter of 20mm are arranged in the middle of the symmetrical frames in the shearing direction of the limiting frame of the unit; the size of the unit limiting lock body is 25mm multiplied by 20mm, the upper part of the lock body is provided with a lifting lock wedge ring with the diameter of 15mm, the bottom of the lock body is provided with a lifting lock combined hole with the size of 15mm multiplied by 5mm, the outer side of the lifting lock combined hole is provided with a lifting lock fixing threaded hole with the diameter of 15mm, and the diameter of a combined unit nut is 15mm; the adjusting unit and the combined unit in the limiting jack are cylinders with the diameter of 15mm and the length of 20mm, the top of the adjusting unit is provided with a hexagonal notch with the outer diameter of 10mm, the bottom of the adjusting unit is provided with an adjusting unit threaded hole with the diameter of 10mm, the bottom of the combined unit is provided with a combined unit threaded hole with the diameter of 10mm, and the front end of the combined unit is provided with a combined nut with the diameter of 10 mm; the regulator is a hexagonal regulator with an outer diameter of 10 mm.
The structural plane direct shear apparatus is used for measuring the structural plane to carry out shear tests under different normal stresses, and obtaining the parameters such as shear stress, shear deformation and the like when the structural plane is damaged.
Embodiments of the invention are:
1) Selecting the test structural surface sample size: and selecting a corresponding structural surface sample according to the test design scheme, and formulating a unit lifting lock and a combination scheme.
2) Assembling a shear box: the unit lifting lock 4, the bottom plate 2 and the unit limiting frame 1 are assembled according to the vertical height of the structural surface sample to form a basic shearing box outer frame, wherein the unit limiting frames 1 are assembled in a staggered mode, so that the horizontal orthogonal limiting of the shearing box is realized, meanwhile, the height control of the vertical shearing box is realized, and in the process, two shearing boxes are assembled together, namely an upper disc shearing box and a lower disc shearing box.
3) Placing shear box (lower disc shear box): after the outer frame of the shearing box is assembled, the shearing box is placed on a direct shear apparatus, and the orthogonal limiting strips 7 are placed in the limiting guide grooves 101 of the shearing box and are arranged at two ends in a poking mode, so that the lower plate structure surface samples can be placed.
4) Placing a structural surface lower plate sample: the lower disc sample of the structural surface is placed in the middle of the shearing box, and the orthogonal limiting strip 7 is arranged on the periphery of the structural surface of the lower disc.
5) Spacing jacking ware 3 of assembled unit: and measuring the distance from the limiting bar 7 to the outer frame of the limiting bar, and reasonably assembling the adjusting unit 301 and the combining unit 302 in the unit limiting jack 3 according to the measured distance, so as to realize stepless orthogonal sliding of the limiting bar 7 in the limiting bar.
6) Fine adjustment unit limit jack 3: after the combination of the unit limiting lifters 3 is completed, a small distance exists between the unit limiting lifters 3 and the limiting strips 7, and at the moment, the combined unit 302 is enabled to prop against the limiting strips 7 through the rotary adjusting unit 301, so that the horizontal orthogonal limiting of the lower disc shear box unit limiting frame 1 is realized, and further the lower disc structural surface sample is tightly fixed in the shear box.
7) Placing the structural surface upper disc sample on the structural surface lower disc sample in an anastomotic manner: placing the structural side upper tray sample on the structural side lower tray sample requires that the structural side upper tray sample be perfectly aligned with the lower tray sample.
8) Installing an upper disc shearing box: and (3) aligning the upper disc shearing box assembled in the step (2) above the lower disc shearing box, aligning the upper disc shearing box above the lower disc shearing box after the upper disc sample of the structural surface is placed, placing the upper disc structural surface sample in the middle of the upper disc shearing box, and carrying out the combined unit limiting jack 3 according to the steps (5) and (6), and carrying out fine adjustment.
9) And (3) performing a direct shear test: after the structural surface sample is placed, a direct shear test can be performed.
10 Using regulator 5, unscrewing the upper and lower disc shearing box limit lifters, sequentially taking down the upper disc shearing box, the structural surface upper disc sample and the structural surface lower disc sample.
11 The process is to complete a direct shear test, and the subsequent test can be performed according to steps 1) to 10).
Claims (7)
1. Horizontal stepless orthogonal limiting shear box suitable for multi-size structural surface, and is characterized in that: the device comprises an upper disc shearing box and a lower disc shearing box, wherein the upper disc shearing box and the lower disc shearing box are identical in structure, namely, the names of the upper shearing box and the lower shearing box are represented by structural surface shearing boxes;
the structure surface shearing box comprises a unit limiting frame, a bottom plate, a unit limiting jack, a unit lifting lock, an adjustor, a combined nut and limiting strips, wherein limiting guide grooves are respectively arranged on front and rear symmetrical edges of the unit limiting frame, guide groove combined holes are respectively formed in two ends of the two symmetrical limiting guide grooves and provide openings for mounting and dismounting the limiting strips in the limiting guide grooves, lifting limiting threaded holes are formed in the left and right symmetrical edges, limit frame cross fixing holes are respectively formed in four vertex angles, limit frame fixing threaded holes are respectively formed in corresponding edges of the limit frame cross fixing holes, limit frame connecting wedge rings are arranged in four bottom corners, bottom plate cross fixing holes are respectively formed in four vertex angles of the bottom plate, bottom plate fixing threaded holes are respectively formed in corresponding edges of the corresponding bottom plate cross fixing holes, the unit limiting jack comprises an adjusting unit and a combined unit, a hexagonal adjusting hole and an adjusting unit combined threaded hole are respectively formed in the bottom and the top of the adjusting unit, lifting lock combined nut is respectively arranged at the top and the bottom of the unit lifting lock, and the lifting lock combined hole is provided with a lifting wedge fixing threaded hole corresponding to the lifting lock;
the limiting mode and the limiting position of the upper disc shearing box and the lower disc shearing box are the same.
2. A horizontal stepless orthogonal limiting shear box for a multi-dimensional structural surface as claimed in claim 1, wherein: the cross fixing holes of the limiting frames are used for connecting the unit lifting lock, the bottom plate and other unit limiting frames in a combined manner through the combined nuts, so that the control of the vertical dimension of the shearing box and the combination of the unit limiting frames are realized; the jacking limit screw hole is internally provided with threads, and the fixing and control unit limits the jacking device to realize the limit of the structural surface sample in the horizontal shearing direction; the limiting frame fixing threaded holes fix the limiting frame connecting wedge ring and the unit lifting lock connecting wedge ring in the holes through the combined nuts, so that the combination of the unit limiting frame and the unit lifting lock is realized; the limiting frame connecting wedge ring is used for connecting the unit lifting lock, the bottom plate and other unit limiting frames in a combined mode through the combined nut, so that the limiting frames are effectively combined and connected with other components.
3. A horizontal stepless orthogonal limiting shear box for a multi-dimensional structural surface as claimed in claim 1, wherein: the top and the bottom of the unit lifting lock are respectively provided with a lifting lock wedge ring and a lifting lock combination hole, the outer side of the lifting lock corresponding to the lifting lock combination hole is provided with a fixed threaded hole, and the unit lifting lock is used for controlling the vertical height of the shear box by freely combining a plurality of unit lifting locks according to the size requirement of a sample; the lifting lock wedge ring is fixed in a lifting lock combination hole, a limiting frame cross hole or a bottom plate cross fixing hole of the other unit lifting lock through a combination nut, and the existing unit lifting lock is fixed with the other unit lifting lock, the unit limiting frame or the bottom plate.
4. A horizontal stepless orthogonal limiting shear box for a multi-dimensional structural surface as claimed in claim 1, wherein: the unit limiting jack comprises an adjusting unit and a combining unit, the adjusting unit and the combining unit are combined according to the size of the structural surface sample, and finally the adjusting unit is finely adjusted through an adjustor, so that stepless sliding of the limiting block is realized.
5. The horizontal stepless orthogonal limiting shear box for multi-dimensional structural surfaces according to claim 4, wherein: the bottom and the top of the adjusting unit are respectively provided with a hexagonal adjusting hole and an adjusting unit combined threaded hole, and adjusting threads are arranged on the periphery of the adjusting unit, and the adjusting unit rotates at the jacking limit threaded hole, so that the fine adjustment process of the adjusting unit is realized.
6. The horizontal stepless orthogonal limiting shear box for multi-dimensional structural surfaces according to claim 4, wherein: the bottom and the top of the combined unit are respectively provided with a combined nut and a combined unit threaded hole, the combined adjusting unit and the combined unit are combined according to the size of the structural surface sample, the threaded hole and the combined unit are combined and adjusted according to the size of the structural surface sample, and finally fine adjustment is performed to realize the stepless orthogonal limit of the structural surface in the horizontal direction.
7. A horizontal stepless orthogonal limiting shear box for a multi-dimensional structural surface as claimed in claim 1, wherein: the four vertex angles of the bottom plate are respectively provided with a bottom plate cross fixing hole, and the edges corresponding to the bottom plate cross fixing holes are respectively provided with a bottom plate fixing threaded hole for accommodating a structural surface sample; the adjuster adjusts the combined nut to realize the assembly and disassembly processes of all the components.
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20050103350A (en) * | 2004-04-26 | 2005-10-31 | 한국지질자원연구원 | Joint shear test system |
| JP2007218697A (en) * | 2006-02-15 | 2007-08-30 | Sumitomo Rubber Ind Ltd | Rubber specimen tension tool, molecular structure/molecular motility property analyzer for rubber specimen in stretched state, and analysis method |
| CN102410962A (en) * | 2011-08-09 | 2012-04-11 | 中国地质大学（武汉） | Portable rock mass structural plane direct shear test apparatus for field and indoor use |
| CN102435510A (en) * | 2011-12-12 | 2012-05-02 | 四川大学 | Assembled variable dimension direct shearing compression apparatus |
| CN102494958A (en) * | 2011-12-12 | 2012-06-13 | 四川大学 | Assembled size-changeable double-face shear apparatus |
| KR20160038186A (en) * | 2014-09-29 | 2016-04-07 | 한국전력공사 | Shear test apparatus |
| CN207798585U (en) * | 2017-12-15 | 2018-08-31 | 浙江科技学院 | The stepless orthogonal limit shearing box of horizontal direction suitable for more dimensional structure faces |
-
2017
- 2017-12-15 CN CN201711348338.6A patent/CN108037021B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20050103350A (en) * | 2004-04-26 | 2005-10-31 | 한국지질자원연구원 | Joint shear test system |
| JP2007218697A (en) * | 2006-02-15 | 2007-08-30 | Sumitomo Rubber Ind Ltd | Rubber specimen tension tool, molecular structure/molecular motility property analyzer for rubber specimen in stretched state, and analysis method |
| CN102410962A (en) * | 2011-08-09 | 2012-04-11 | 中国地质大学（武汉） | Portable rock mass structural plane direct shear test apparatus for field and indoor use |
| CN102435510A (en) * | 2011-12-12 | 2012-05-02 | 四川大学 | Assembled variable dimension direct shearing compression apparatus |
| CN102494958A (en) * | 2011-12-12 | 2012-06-13 | 四川大学 | Assembled size-changeable double-face shear apparatus |
| KR20160038186A (en) * | 2014-09-29 | 2016-04-07 | 한국전력공사 | Shear test apparatus |
| CN207798585U (en) * | 2017-12-15 | 2018-08-31 | 浙江科技学院 | The stepless orthogonal limit shearing box of horizontal direction suitable for more dimensional structure faces |
Non-Patent Citations (4)
| Title |
|---|
| Hadi Atapour. The Influence of Shearing Velocity on Shear Behavior of Artificial Joints.《Rock Mechanics and Rock Engineering》.2014,全文. * |
| The Influence of Shearing Velocity on Shear Behavior of Artificial Joints;Hadi Atapour;《Rock Mechanics and Rock Engineering》;全文 * |
| 吕原君.多尺度岩体结构面抗剪强度直剪试验一体机的分级和验证.《工程设计学报》.2014,全文. * |
| 多尺度岩体结构面抗剪强度直剪试验一体机的分级和验证;吕原君;《工程设计学报》;全文 * |
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| CN108037021A (en) | 2018-05-15 |
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