CN216559947U - Auxiliary structure for preparing similar material containing inclined joints - Google Patents
Auxiliary structure for preparing similar material containing inclined joints Download PDFInfo
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- CN216559947U CN216559947U CN202123302011.XU CN202123302011U CN216559947U CN 216559947 U CN216559947 U CN 216559947U CN 202123302011 U CN202123302011 U CN 202123302011U CN 216559947 U CN216559947 U CN 216559947U
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Abstract
The utility model provides an auxiliary structure for preparing contain similar material of slope joint, includes the base steel sheet, supports lifting unit, the firm component of cylinder type and sample mould, base steel sheet upper surface one end symmetrical welding has the firm component of hollow cylinder, supports the lifting unit both ends and passes two hollow cylinder firm components respectively and fix on the base steel sheet, and the base steel sheet upper surface other end is equidistant to be provided with a plurality of barricades, and sample mould one end overlap joint is on supporting lifting unit, and the other end supports on the barricade, and installs the baffle on the sample mould. The auxiliary structure is simple and convenient to install and use, the use threshold is low, the limiting block is flexibly designed to adapt to the size of the die, and the applicability is wide; through setting up the mode that the rotatory mould that lifts up of nut is united to different gears, realize the accurate swift regulation of mould inclination 10 ~ 80. The utility model has high precision, wide applicability and simple and convenient use, and provides a feasible low-cost scheme for preparing the test piece containing the inclination angle joint similar material.
Description
Technical Field
The utility model belongs to the technical field of mining engineering, and particularly relates to an auxiliary structure for preparing a similar material containing an inclined joint.
Background
The rock mass is composed of a structural plane and rocks, joints are taken as a typical rock mass structural plane, mechanical deformation characteristics and instability failure modes of the rock mass are controlled, and in order to obtain influences of combined actions of different joint inclination angles and intervals on mechanical properties of the rock mass, a plurality of students manufacture similar material test pieces containing the joint inclination angles to carry out corresponding research. However, similar material test pieces prepared by the traditional mold can only simulate the layered laying joint of a nearly horizontal or gentle inclination angle, when the inclination angle is increased, the uniform laying of similar materials is difficult to ensure, and the problems of high operation difficulty, low accuracy and uncontrollable joint are also existed.
Some of the test methods or platforms for similar inclined materials appeared in recent years, as shown in fig. 1, volume 17, phase 6, page 71 of the journal of water conservancy and building engineering, which sets forth a method for obtaining inclined joint test pieces by blade cutting, wherein cutting lines are traced on the surface of each sample to be processed according to the required bedding inclination angle, and the corresponding uniaxial compression sample of the layered rock mass can be obtained by changing the angle of a right-angled triangular cushion block and aligning the cutting blade with the previously traced cutting lines and keeping the cutting blade along the cutting lines. However, due to the existence of the through joint surface, the strength of a similar material test piece is generally low, and the structural surface mainly accounts for the dominant failure factor, the method can easily damage the test piece, and the test piece is also easily damaged during cutting for a high-strength test piece, so that the deviation of experimental data is caused. As shown in fig. 2, patent publication No. CN105336263A also provides a concept of simulation experiment of steeply inclined lamellar joints, that is, converting inclined joints into horizontal joints for prefabrication, where pulleys are installed at three nodes of a mold, and the rotation of the mold made of similar material is completed by sliding the nodes, and the inclined joints are converted into horizontal joints for prefabrication. But a proper baffle plate is lacked at the opening of the mould, so that the filling material is easy to leak out; the whole bearing capacity is provided by the jacks at 3 positions, and certain safety risks exist. The structure of the arc-shaped slide way in the drawing is only suitable for a designated die, and the applicability is not high.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an auxiliary structure for preparing similar materials containing inclined joints, a limiting block is flexibly fixed to adapt to different die sizes, a nut is rotated and adjusted to enable a die to be accurately, safely and reliably inclined at any angle, and the inclined joints are converted into horizontal joints for prefabrication.
The utility model provides an auxiliary structure for preparing contain similar material of slope joint, includes the base steel sheet, supports lifting unit, the firm component of cylinder type and sample mould, base steel sheet upper surface one end symmetrical welding has the firm component of hollow cylinder, supports the lifting unit both ends and passes two hollow cylinder firm components respectively and fix on the base steel sheet, and the base steel sheet upper surface other end is equidistant to be provided with a plurality of barricades, and sample mould one end overlap joint is on supporting lifting unit, and the other end supports on the barricade, and installs the baffle on the sample mould.
The supporting lifting component comprises a supporting screw rod, a first fixing nut, a second fixing nut, a cross rod and a cross rod limiting block, the two supporting screw rods respectively penetrate through the corresponding hollow cylindrical stabilizing component and the screw holes on the base steel plate, the end part of the hollow cylindrical stabilizing member is fastened by a first fixing nut positioned in a groove on the lower surface of the base steel plate, the top part of the hollow cylindrical stabilizing member is provided with a second fixing nut which is screwed on the supporting screw rod, the supporting screw rods are fixed on the base steel plate through the first fixing nut and the second fixing nut, the lifting nut is screwed on the supporting screw rods above the second fixing nut, a cross rod is arranged between the two supporting screw rods, two ends of the cross rod are respectively sleeved on the supporting screw rods, and the cross rod is supported by a lifting nut, two cross rod limiting blocks are arranged on the cross rod, and the cross rod limiting blocks are used for limiting the movement of the sample mold on the cross rod.
Every all install two barricade stoppers on the barricade.
Between barricade stopper and the barricade, between horizontal pole stopper and the horizontal pole and between baffle and the sample mould all fasten through the bolt, and the rubber pad is all installed to the screw rod end of bolt.
The sample mould is a cuboid, and three similar material forming cavities are formed in the sample mould.
The lifting nut rotates for one circle, and the angle of the sample mold is increased by 0.4-0.9 degrees.
The adjusting range of the angle of the sample mold is 10-80 degrees.
The utility model has the technical effects that:
the auxiliary structure is simple and convenient to install and use, the use threshold is low, the limiting block is flexibly designed to adapt to the size of the die, and the applicability is wide; through setting up the mode that the rotatory mould that lifts up of nut is united to different gears, realize the accurate swift regulation of mould inclination 10 ~ 80. Compared with the prior art, the method has the advantages of high precision, wide applicability and simple and convenient use, and provides a feasible low-cost scheme for preparing the test piece containing the inclination angle joint similar material.
Drawings
FIG. 1 is a schematic view of a prior art inclined similar material test platform;
FIG. 2 is a schematic diagram of a simulation experiment of a conventional steeply inclined lamellar joint;
FIG. 3 is a schematic diagram of an auxiliary structure for preparing a material containing similar tilted joints according to the present invention;
FIG. 4 is a side view of an auxiliary structure of the present invention for making a material containing oblique joints;
FIG. 5 is a diagram of a mold cavity and baffle of the present invention for making a secondary structure comprising a material similar to the oblique joints;
FIG. 6 is a schematic view of a retaining wall stop for use in forming an auxiliary structure comprising a material similar to the inclined joint according to the present invention;
FIG. 7 is a schematic view of a cross-bar stop for use in making a secondary structure comprising a material similar to the oblique joints of the present invention;
FIG. 8 is a schematic view of a baffle of the present invention for use in making a secondary structure comprising a tilt-joint like material;
1-base steel plate, 2-retaining wall, 3-retaining wall limiting block, 4-cross rod, 5-cross rod limiting block, 6-hollow cylindrical stabilizing member, 7-first fixing nut, 8-second fixing nut, 9-lifting nut, 10-supporting screw, 11-sample mold, 12-baffle plate and 13-forming cavity.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
As shown in fig. 3 to 8, an auxiliary structure for preparing materials similar to materials containing inclined joints comprises a base steel plate 1, a supporting lifting component, a cylindrical stabilizing component and a sample mold 11, wherein one end of the upper surface of the base steel plate 1 is symmetrically welded with the hollow cylindrical stabilizing component 6, two ends of the supporting lifting component respectively penetrate through the two hollow cylindrical stabilizing components 6 to be fixed on the base steel plate 1, five retaining walls 2 are arranged at equal intervals at the other end of the upper surface of the base steel plate 1, the retaining walls 2 from one end close to the supporting screw 10 to one end far away from the supporting screw 10 are a fifth retaining wall, a fourth retaining wall, a third retaining wall, a second retaining wall and a first retaining wall in sequence, the first retaining wall can realize that the sample mold 11 can adjust the angle within 10-40 degrees, the second retaining wall can realize that the sample mold 11 can adjust the angle within 25-53 degrees, and the third retaining wall can realize that the sample mold 11 can adjust the angle within 50-63 degrees, the fourth retaining wall can realize the angle adjustment of the sample mold 11 within the range of 63-72 degrees, and the fifth retaining wall can realize the angle adjustment of the sample mold 11 within the range of 72-80 degrees; one end of the sample mould 11 is lapped on the supporting lifting component, the other end of the sample mould is abutted against the retaining wall 2, a baffle plate 12 is arranged on the sample mould 11, the baffle plate 12 is arranged when similar materials contact the open opening, the baffle plate 12 is fixed on the sample mould 11 by using screws, and the baffle plate 12 moves up by a distance of one joint interval at a time along the sample mould 11 along with the continuous filling of the similar materials, so that a required constraint surface is provided. The auxiliary structure of the utility model has low threshold, and the joint experiments of different inclination angles can be simulated by manually installing the sample die 11 only by adjusting the cross rod 4 to the joint inclination angle by the lifting nut 9.
The supporting lifting assembly comprises two supporting screw rods 10, a first fixing nut 7, a second fixing nut 8, a cross rod 4 and a cross rod limiting block 5, the two supporting screw rods 10 respectively penetrate through corresponding screw holes in the hollow cylindrical stabilizing member 6 and the base steel plate 1, the end parts of the two supporting screw rods are fastened through the first fixing nut 7 located in a groove in the lower surface of the base steel plate 1, the second fixing nut 8 screwed on the supporting screw rods 10 is arranged at the top of the hollow cylindrical stabilizing member 6, the supporting screw rods 10 are fixed on the base steel plate 1 through the first fixing nut 7 and the second fixing nut 8, lifting nuts 9 are screwed on the supporting screw rods 10 above the second fixing nut 8, the height of the cross rod 4 is accurately adjusted through nuts, and the die is inclined at any angle and high in accuracy; the die is limited in deviation through the retaining wall 2 and the limiting blocks, safety and stability are guaranteed, the cross rod 4 is installed between the two supporting screw rods 10, the two ends of the cross rod 4 are respectively sleeved on the supporting screw rods 10, the cross rod 4 is supported through the lifting nut 9, the two cross rod limiting blocks 5 are arranged on the cross rod 4, and the cross rod limiting blocks 5 are used for limiting the movement of the sample die 11 on the cross rod 4.
Every two barricade stopper 3 are all installed on barricade 2.
Between barricade stopper 3 and the barricade 2, between horizontal pole stopper 5 and the horizontal pole 4 and between baffle 12 and the sample mould 11 all through the bolt-up, and the rubber pad is all installed to the screw rod tip of bolt, makes barricade stopper 3 can slide back and fix on barricade 2 through setting up of bolt for horizontal pole stopper 5 can slide the after-fixing on horizontal pole 4, makes things convenient for the regulation of barricade stopper 3 and horizontal pole stopper 5 position.
The sample mold 11 is a cuboid, and three similar material forming cavities 13 are formed in the sample mold 11.
The lifting nut 9 rotates for one circle, the angle of the sample die 11 is increased by 0.4-0.9 degrees, and the integral adjustment precision can reach 1 degree.
The angle adjusting range of the sample die 11 is 10-80 degrees, and the precision can reach 1 degree.
A single use process for making a secondary structure comprising a tilt-joint like material comprising:
a group of 100 multiplied by 100mm standard test pieces with joint inclination angles of 45 degrees and spacing of 20cm are manufactured, firstly, a support screw rod 10 with the length of 350mm is fixed on a base steel plate 1 by a first fixing nut 7 and a second fixing nut 8 of M16 model, a cross rod 4 is horizontally arranged between the support screw rods 10, a second retaining wall with the angle range of 25-53 degrees is used, a lifting nut 9 is rotated to enable the cross rod 4 to be 240mm away from a base, the bottom end of a triple sample mould 11 with the size of 350 multiplied by 120 multiplied by 110mm is arranged on the second retaining wall with the thickness of 5mm, the top end of the triple sample mould is arranged on a horizontal cross rod 4 with the width of 200mm, two cross rod limiting blocks 5 are slid to be tightly attached to two sides of the top end of the sample mould 11 and then fixed on the cross rod limiting blocks 5 through M4 bolts for limiting the position of the top end of the sample mould 11, the sliding limiting blocks 3 are tightly attached to two sides of the bottom end of the sample mould 11 and then fixed on the retaining wall 3 through M2 bolts for limiting the position of the bottom end of the sample mould 11, preventing the sample mold 11 from shifting; then, filling a test piece of similar material, wherein when a fifth layer is manufactured, the filling material is filled to the opening, a baffle 12 with the size of 125X 110X 4mm is installed on the corresponding forming cavity 13 of the test piece mold 11 by using a M4 model capped bolt, the baffle 12 does not completely cover the forming cavity 13 at the moment, the filling is continued at the part, not covered by the baffle 12, of the forming cavity 13, and the baffle 12 also moves upwards along the test piece mold 11 every time in the filling process
Providing a required constraint surface until the manufacture of the similar material test piece is completed.
Claims (7)
1. The utility model provides an auxiliary structure for preparing contain similar material of slope joint, a serial communication port, including base steel sheet, support lifting unit, cylinder type firm component and sample mould, base steel sheet upper surface one end symmetrical welding has the firm component of hollow cylinder, supports the lifting unit both ends and passes two hollow cylinder firm components respectively and fix on the base steel sheet, and the base steel sheet upper surface other end is equidistant to be provided with a plurality of barricades, and sample mould one end overlap joint is on supporting lifting unit, and the other end supports on the barricade, and installs the baffle on the sample mould.
2. An auxiliary structure for making a material containing oblique joints according to claim 1, wherein: the supporting lifting component comprises a supporting screw rod, a first fixing nut, a second fixing nut, a cross rod and a cross rod limiting block, the two supporting screw rods respectively penetrate through the corresponding hollow cylindrical stabilizing component and the screw holes on the base steel plate, the end part of the hollow cylindrical stabilizing member is fastened by a first fixing nut positioned in a groove on the lower surface of the base steel plate, the top part of the hollow cylindrical stabilizing member is provided with a second fixing nut which is screwed on the supporting screw rod, the supporting screw rods are fixed on the base steel plate through the first fixing nut and the second fixing nut, the lifting nut is screwed on the supporting screw rods above the second fixing nut, a cross rod is arranged between the two supporting screw rods, two ends of the cross rod are respectively sleeved on the supporting screw rods, and the cross rod is supported by a lifting nut, two cross rod limiting blocks are arranged on the cross rod, and the cross rod limiting blocks are used for limiting the movement of the sample mold on the cross rod.
3. An auxiliary structure for making a material containing oblique joints according to claim 1, wherein: every all install two barricade stoppers on the barricade.
4. An auxiliary structure for use in preparing a material containing a similar tilt joint as defined in claim 3, wherein: bolts are fastened between the retaining wall limiting blocks and the retaining wall, between the transverse rod limiting blocks and the transverse rod and between the baffle and the sample mold, and rubber pads are installed at the ends of the bolts.
5. An auxiliary structure for making a material containing oblique joints according to claim 1, wherein: the sample mould is a cuboid, and three similar material forming cavities are formed in the sample mould.
6. An auxiliary structure for preparing a material containing a similar tilt joint as claimed in claim 2, wherein: the lifting nut rotates for one circle, and the angle of the sample mold is increased by 0.4-0.9 degrees.
7. An auxiliary structure for making a material containing oblique joints according to claim 1, wherein: the adjusting range of the angle of the sample mold is 10-80 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123302011.XU CN216559947U (en) | 2021-12-24 | 2021-12-24 | Auxiliary structure for preparing similar material containing inclined joints |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123302011.XU CN216559947U (en) | 2021-12-24 | 2021-12-24 | Auxiliary structure for preparing similar material containing inclined joints |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216559947U true CN216559947U (en) | 2022-05-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123302011.XU Active CN216559947U (en) | 2021-12-24 | 2021-12-24 | Auxiliary structure for preparing similar material containing inclined joints |
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| Country | Link |
|---|---|
| CN (1) | CN216559947U (en) |
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2021
- 2021-12-24 CN CN202123302011.XU patent/CN216559947U/en active Active
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