CN214952715U - Creep test device for coal mine ultrahigh water filling material - Google Patents
Creep test device for coal mine ultrahigh water filling material Download PDFInfo
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- CN214952715U CN214952715U CN202121020773.8U CN202121020773U CN214952715U CN 214952715 U CN214952715 U CN 214952715U CN 202121020773 U CN202121020773 U CN 202121020773U CN 214952715 U CN214952715 U CN 214952715U
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Abstract
The utility model relates to a test device technical field, concretely relates to colliery ultrahigh water filling material creep test device, including hydraulic pressure post, auxiliary structure, shrink pressure pole and linkage board, the inside shrink pressure pole that is equipped with of hydraulic pressure post, just hydraulic pressure post and shrink pressure pole swing joint, the linkage board both ends all are equipped with auxiliary structure, just linkage board and auxiliary structure fixed connection. The utility model discloses a test device has the advantage of the long-term pressurized state of simulation super high water filling material, does not receive the complexity of coal petrography body geological conditions, fills the influence of conditions such as the disguise of engineering, can test super high water filling material and ooze the back intensity change at the free water.
Description
Technical Field
The utility model relates to a test device technical field, concretely relates to colliery ultrahigh water filling material creep test device.
Background
Compared with common concrete, the ultra-high water filling material has larger water cement, more free water exists in a cementing body, the strength of the material changes after the free water seeps out under a long-term pressure state, particularly in a closed and semi-closed area of an underground space of a mine, whether underground filling in the field of mining can be successfully performed or not is observed under the conditions of volume change and load damage, but due to the complexity of geological conditions of coal and rock masses, the concealment of filling engineering and the difficulty of field observation need a large amount of financial and material resources. And the indoor effective test device and means are lacked to verify the filling theory of the on-site ultrahigh water filling material.
Authorization notice number: CN108398319B provides a creep test device for an ultra-high water filling material and a use method thereof, and the technical scheme provided by the invention can verify the long-term creep performance of the ultra-high water filling material under different environmental compression conditions, and provides a test basis for the filling mining theory of an actual engineering project. The invention applies the lever loading principle, utilizes the weight box to carry out long-term loading on the sample of the ultra-high water filling material, simulates the loading effect of the dead weight of the overlying rock stratum on the length of the ultra-high water filling body in the filling area under the coal mine, simulates the loading effect of the overlying rock stratum at different burial depths by adjusting the weight of the weight box, can simulate the compression deformation characteristics of the filling body under different surrounding rock conditions in two closed and semi-closed cylinder bodies, and provides experimental basis for the proportioning design of the ultra-high water filling material. The testing device has the characteristics that the loading condition is adjustable, and the module can be stably loaded for a long time without energy consumption. The use method of the test device is simple in process and convenient to operate. However, the above patents still have the following problems:
(1) the complexity of coal rock mass geological conditions, the concealment of filling engineering and the difficulty of field observation.
(2) The indoor test device and means lack effective test devices and means to verify the filling theory of the on-site ultrahigh water filling material.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned weak point that exists among the prior art, the utility model provides a colliery super high water filling material creep test device for solve prior art's coal rock mass geological conditions's complexity, fill the disguise of engineering, on-the-spot observation difficulty and indoor lack effective test device and means verify on-the-spot super high water filling material and fill theoretical scheduling problem.
In order to solve the technical problem, the utility model discloses a following technical scheme: the utility model provides a colliery ultra-high water filling material creep test device, includes hydraulic pressure post, auxiliary structure, shrink pressure pole and linkage board, the inside shrink pressure pole that is equipped with of hydraulic pressure post, just hydraulic pressure post and shrink pressure pole swing joint, the linkage board both ends all are equipped with auxiliary structure, just linkage board and auxiliary structure fixed connection.
Preferably, the linkage plate lower surface is equipped with a plurality of extrusion posts, just linkage plate and every extrusion post fixed connection, every the extrusion post below all is equipped with the material and places the jar, every the jar lower extreme is placed to the material all is equipped with the bottom plate, and every the jar is placed to the material all with bottom plate fixed connection, every jar one end is placed to the material all is equipped with the intensity detector, and every jar and intensity detector fixed connection are placed to the material.
Preferably, the auxiliary structure includes slide bar, connecting axle and slider, the slide bar upper end is equipped with the connecting axle, just slide bar and connecting axle fixed connection, inside the slider was located to the slide bar, just slide bar and slider sliding connection.
Preferably, the lower end of the contraction pressure rod is provided with a connecting structure, the contraction pressure rod is fixedly connected with the linkage plate through the connecting structure, one end of the connecting structure is provided with a control motor, the connecting structure is fixedly connected with the control motor, and the lower surface of the control motor is fixedly connected with the linkage plate.
Preferably, a cross column is arranged at the upper end of the hydraulic column and fixedly connected with the cross column through a fixing piece, and two ends of the lower surface of the cross column are fixedly connected with the connecting shaft respectively.
Preferably, the spreader both ends all are equipped with the support column, just the spreader passes through connecting piece and support column fixed connection, two the bottom plate both ends are located respectively to the support column, and two the support column passes through fixed knot structure and bottom plate fixed connection.
Compared with the prior art, the utility model, following beneficial effect has: the utility model can realize that the strength of the material changes after the free water seeps out under the long-term pressure state of the ultra-high water filling material in an indoor effective test, and verify the filling theory of the ultra-high water filling material; the device can simulate the long-term pressure state of the ultra-high water filling material in the material placing tank, and the strength detector can detect the strength value change of the ultra-high water filling material in the state; an auxiliary structure is also arranged, so that the pressing position of the extrusion column can be ensured each time; the hydraulic column and the contraction pressure rod can simulate the compression state of the ultra-high water filling material; the utility model discloses a test device has the advantage of the long-term pressurized state of simulation super high water filling material, does not receive the complexity of coal petrography body geological conditions, fills the influence of conditions such as the disguise of engineering, can test super high water filling material and ooze the back intensity change at the free water.
Drawings
FIG. 1 is a schematic perspective view of an embodiment of a creep test device for a coal mine ultra-high water filling material of the present invention;
FIG. 2 is a schematic diagram of an elevational structure of an embodiment of the creep test device for the coal mine ultra-high water filling material of the present invention;
FIG. 3 is a schematic diagram of a side view structure of an embodiment of the creep test device for the coal mine ultra-high water filling material of the present invention;
reference numerals referred to in the drawings are:
the device comprises a bottom plate 1, a support column 2, a cross column 3, a connecting piece 4, a hydraulic column 5, an auxiliary structure 6, a contraction pressure rod 7, a connecting structure 71, a linkage plate 8, a control motor 9, a fixing structure 10, an extrusion column 11, a material placing tank 12, a strength detector 13, a fixing piece 51, a sliding rod 61, a connecting shaft 62 and a sliding block 63.
Detailed Description
In order to make the present invention better understood by those skilled in the art, the technical solution of the present invention is further explained below with reference to the accompanying drawings and embodiments:
example one
As shown in fig. 1-3, the creep test device for the coal mine ultrahigh water filling material comprises a hydraulic column 5, an auxiliary structure 6, a contraction pressure rod 7 and a linkage plate 8, wherein the contraction pressure rod 7 is arranged inside the hydraulic column 5, the hydraulic column 5 is movably connected with the contraction pressure rod 7, the auxiliary structure 6 is arranged at two ends of the linkage plate 8, and the linkage plate 8 is fixedly connected with the auxiliary structure 6.
Linkage plate 8 lower surface is equipped with a plurality of squeeze posts 11, and linkage plate 8 and every squeeze post 11 fixed connection, and every squeeze post 11 below all is equipped with the material and places jar 12, and every material is placed jar 12 lower extreme and all is equipped with bottom plate 1, and every material is placed jar 12 and all with 1 fixed connection of bottom plate, and every material is placed jar 12 one end and all is equipped with intensity detector 13, and every material is placed jar 12 and intensity detector 13 fixed connection.
The auxiliary structure 6 comprises a sliding rod 61, a connecting shaft 62 and a sliding block 63, the connecting shaft 62 is arranged at the upper end of the sliding rod 61, the sliding rod 61 is fixedly connected with the connecting shaft 62, the sliding rod 61 is arranged inside the sliding block 63, and the sliding rod 61 is connected with the sliding block 63 in a sliding mode.
The lower end of the contraction pressure rod 7 is provided with a connecting structure 71, the contraction pressure rod 7 is fixedly connected with the linkage plate 8 through the connecting structure 71, one end of the connecting structure 71 is provided with a control motor 9, the connecting structure 71 is fixedly connected with the control motor 9, and the lower surface of the control motor 9 is fixedly connected with the linkage plate 8.
Example two
As shown in fig. 1-3, the creep test device for the coal mine ultrahigh water filling material comprises a hydraulic column 5, an auxiliary structure 6, a contraction pressure rod 7 and a linkage plate 8, wherein the contraction pressure rod 7 is arranged inside the hydraulic column 5, the hydraulic column 5 is movably connected with the contraction pressure rod 7, the auxiliary structure 6 is arranged at two ends of the linkage plate 8, and the linkage plate 8 is fixedly connected with the auxiliary structure 6.
Linkage plate 8 lower surface is equipped with a plurality of squeeze posts 11, and linkage plate 8 and every squeeze post 11 fixed connection, and every squeeze post 11 below all is equipped with the material and places jar 12, and every material is placed jar 12 lower extreme and all is equipped with bottom plate 1, and every material is placed jar 12 and all with 1 fixed connection of bottom plate, and every material is placed jar 12 one end and all is equipped with intensity detector 13, and every material is placed jar 12 and intensity detector 13 fixed connection.
The auxiliary structure 6 comprises a sliding rod 61, a connecting shaft 62 and a sliding block 63, the connecting shaft 62 is arranged at the upper end of the sliding rod 61, the sliding rod 61 is fixedly connected with the connecting shaft 62, the sliding rod 61 is arranged inside the sliding block 63, and the sliding rod 61 is connected with the sliding block 63 in a sliding mode.
The lower end of the contraction pressure rod 7 is provided with a connecting structure 71, the contraction pressure rod 7 is fixedly connected with the linkage plate 8 through the connecting structure 71, one end of the connecting structure 71 is provided with a control motor 9, the connecting structure 71 is fixedly connected with the control motor 9, and the lower surface of the control motor 9 is fixedly connected with the linkage plate 8.
The upper end of the hydraulic column 5 is provided with a cross column 3, the hydraulic column 5 is fixedly connected with the cross column 3 through a fixing piece 51, and two ends of the lower surface of the cross column 3 are respectively fixedly connected with a connecting shaft 62.
3 both ends of spreader all are equipped with support column 2, and spreader 3 passes through connecting piece 4 and support column 2 fixed connection, and 1 both ends of bottom plate are located respectively to two support columns 2, and two support columns 2 are through fixed knot structure 10 and 1 fixed connection of bottom plate.
The advantages of the second embodiment over the first embodiment are: the cross columns 3 and the supporting columns 2 can ensure the stability and safety of the device in simulation, and the fixing structure 10 ensures the stable connection of the two supporting columns 2 and the bottom plate 1.
The above description is only for the embodiments of the present invention, and the common general knowledge of the known specific structures and characteristics in the schemes is not described herein too much, and those skilled in the art will know all the common technical knowledge in the technical field of the present invention before the application date or the priority date, can know all the prior art in this field, and have the ability to apply the conventional experimental means before this date, and those skilled in the art can combine their own ability to perfect and implement the schemes, and some typical known structures or known methods should not become obstacles for those skilled in the art to implement the present application. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent.
Claims (6)
1. The utility model provides a colliery ultra-high water filling material creep test device which characterized in that: including hydraulic pressure post (5), auxiliary structure (6), shrink pressure pole (7) and linkage board (8), inside shrink pressure pole (7) that is equipped with of hydraulic pressure post (5), just hydraulic pressure post (5) and shrink pressure pole (7) swing joint, linkage board (8) both ends all are equipped with auxiliary structure (6), just linkage board (8) and auxiliary structure (6) fixed connection.
2. The creep test device for the coal mine ultra-high water filling material according to claim 1, wherein: linkage plate (8) lower surface is equipped with a plurality of extrusion posts (11), just linkage plate (8) and every extrusion post (11) fixed connection, every extrusion post (11) below all is equipped with the material and places jar (12), every the material is placed jar (12) lower extreme and all is equipped with bottom plate (1), and every the material is placed jar (12) and all is with bottom plate (1) fixed connection, every the material is placed jar (12) one end and all is equipped with intensity detector (13), and every the material is placed jar (12) and intensity detector (13) fixed connection.
3. The creep test device for the coal mine ultra-high water filling material according to claim 2, wherein: auxiliary structure (6) are including slide bar (61), connecting axle (62) and slider (63), slide bar (61) upper end is equipped with connecting axle (62), just slide bar (61) and connecting axle (62) fixed connection, inside slider (63) was located in slide bar (61), just slide bar (61) and slider (63) sliding connection.
4. The creep test device for the coal mine ultra-high water filling material according to claim 3, wherein: the lower end of the contraction pressure rod (7) is provided with a connecting structure (71), the contraction pressure rod (7) is fixedly connected with the linkage plate (8) through the connecting structure (71), one end of the connecting structure (71) is provided with a control motor (9), the connecting structure (71) is fixedly connected with the control motor (9), and the lower surface of the control motor (9) is fixedly connected with the linkage plate (8).
5. The creep test device for the coal mine ultra-high water filling material according to claim 4, wherein: the hydraulic column is characterized in that a cross column (3) is arranged at the upper end of the hydraulic column (5), the hydraulic column (5) is fixedly connected with the cross column (3) through a fixing piece (51), and two ends of the lower surface of the cross column (3) are fixedly connected with a connecting shaft (62) respectively.
6. The creep test device for the coal mine ultra-high water filling material according to claim 5, wherein: horizontal column (3) both ends all are equipped with support column (2), just horizontal column (3) pass through connecting piece (4) and support column (2) fixed connection, two bottom plate (1) both ends are located respectively in support column (2), and two support column (2) are through fixed knot structure (10) and bottom plate (1) fixed connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121020773.8U CN214952715U (en) | 2021-05-13 | 2021-05-13 | Creep test device for coal mine ultrahigh water filling material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121020773.8U CN214952715U (en) | 2021-05-13 | 2021-05-13 | Creep test device for coal mine ultrahigh water filling material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214952715U true CN214952715U (en) | 2021-11-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121020773.8U Active CN214952715U (en) | 2021-05-13 | 2021-05-13 | Creep test device for coal mine ultrahigh water filling material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214952715U (en) |
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2021
- 2021-05-13 CN CN202121020773.8U patent/CN214952715U/en active Active
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