CN217980274U - Chain extensometer structure for rock triaxial test machine - Google Patents

Chain extensometer structure for rock triaxial test machine Download PDF

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Publication number
CN217980274U
CN217980274U CN202221489666.4U CN202221489666U CN217980274U CN 217980274 U CN217980274 U CN 217980274U CN 202221489666 U CN202221489666 U CN 202221489666U CN 217980274 U CN217980274 U CN 217980274U
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China
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ring
extensometer
chain
rock
threaded rod
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CN202221489666.4U
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王戈
徐景伟
沈维堂
姜志国
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Nanjing Wanhe Scientific Research Instrument Co ltd
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Nanjing Wanhe Scientific Research Instrument Co ltd
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Abstract

The utility model discloses a chain extensometer structure that rock triaxial test machine was used, including copper wire threaded rod and last ring, copper wire threaded rod erection joint is in a side edge department position of last ring, the utility model discloses in, make accessible wireless module communicate when measuring through axial extension measuring subassembly structure, it is more convenient to use, in inserting the installation round hole on the lower ring with the extensometer body, when using, run through the ring with the copper wire threaded rod, and in rotatory installation and the threaded rod interface, so that when measuring, can measure the radial deformation of rock formula spare, and during the measurement, the data collector that gathers through extensometer body bottom will carry out the automatic collection to the data of warping, later will gather the data transmission who collects the automation through wireless communication module and send outside receiving terminal, so that observe the record, through wireless transmission, stopped using the wire to connect, it is more convenient swift to use.

Description

Chain extensometer structure for rock triaxial test machine
Technical Field
The utility model relates to a rock deformation measures technical field, concretely relates to chain extensometer structure that rock triaxial test machine was used.
Background
The axial deformation and radial deformation measuring elements of the rock deformation measuring system adopt LVDTs with high temperature and high pressure resistance to measure. When the rock is axially deformed, the core body moves relative to the base body, so that the axial deformation of the rock is measured. The radial deformation of the rock is measured using the structure of the endless chain.
At present, the existing extensometer for measuring rock deformation needs to be connected and communicated with a testing machine through a special lead, and a connector is repeatedly plugged with the testing machine during use, so that the extensometer is easy to damage.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a chain extensometer structure that rock triaxial test machine was used to it needs to be connected the communication through special wire with the testing machine to propose current rock deformation measurement extensometer in solving above-mentioned background art, connects during the use and pulls out repeatedly with the testing machine and inserts, fragile problem.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a chain extensometer structure that rock triaxial test machine was used, includes copper wire threaded rod and last ring, copper wire threaded rod erection joint is in a side edge department position of last ring, the bottom end department of copper wire threaded rod is provided with the axial and draws measuring component, the outside a week that the axial draws measuring component is provided with down the ring, be provided with rock formula spare in the middle of the inboard of ring sum last ring down, outside a week of rock formula spare is provided with annular chain, the right-hand member end department of annular chain is provided with chain fastening component, chain fastening component's rear end is provided with radial extensometer.
The axial extension measuring component comprises an extension meter body, a threaded rod interface, a wireless communication module and a data collecting collector, wherein the threaded rod interface is arranged at the upper end of the inner side of the extension meter body, the data collecting collector is arranged at the bottom end of the extension meter body, the wireless communication module is arranged on the extension meter body and positioned at the upper end of the data collecting collector, and the extension meter body is connected to the lower ring.
The chain fastening assembly comprises a positioning bolt, a metal fixing seat and clamping grooves, the clamping grooves are formed in the inner sides of the two sides of the rear end of the metal fixing seat, the upper end of each clamping groove is located on the corresponding metal fixing seat and provided with the positioning bolt, and the metal fixing seats are connected to the annular chain through the positioning bolt.
Wherein, the ring includes spacing through-hole, fixed screw, nonrust ring and installation round hole down, nonrust ring inboard is provided with spacing through-hole, nonrust ring outside both ends are provided with the fixed screw, nonrust ring upper end one side is provided with the installation round hole, nonrust ring passes through spacing through-hole and connects on rock formula spare.
The axial extension measuring assembly and the lower circular ring are connected and installed in an inserting mode, and the axial extension measuring assembly is connected to one side of the upper end of the lower circular ring.
The lower ring and the upper ring are the same in shape and size, and are made of stainless materials.
The chain fastening assembly and the radial extensometer are connected and installed in a welding mode, and the radial extensometer is installed and connected to the rear end of the chain fastening assembly.
To sum up, owing to adopted above-mentioned technique, the beneficial effects of the utility model are that:
1. the utility model discloses in, make accessible wireless module communicate when measuring through axial extension measuring subassembly structure, it is more convenient to use, during the measuring subassembly is stretched to the installation axial, at first, in the installation round hole on the ring down of will stretching the meter body plug-in, connect the installation through the mode of pegging graft like this, make more convenient in the installation, when using, run through the ring with the copper wire threaded rod, and in rotatory installation and the threaded rod interface, so that when measuring, can measure the radial deformation of rock formula spare, and when measuring, the data collector that gathers through the bottom of the meter body will carry out the automatic collection to the data of deformation, later through wireless communication module with the automatic collection data transfer outside receiving terminal, so that observe the record, through wireless transmission, stop to use the wire and connect, it is more convenient swift to use.
2. The utility model discloses in, make it when using through chain fastening component, can fix the endless chain, operation steps is simple, high durability and convenient use's effect, when using chain fastening component, at first, use the endless chain to surround rock formula spare, later extract positioning bolt from the metal fixing base, later insert the draw-in groove with the end at endless chain both ends, later insert positioning bolt back in the metal fixing base, at this moment, the end positioning bolt at endless chain both ends is fixed in the draw-in groove, be difficult for droing when making it use, later because of the endless chain surrounds the radial at rock formula spare, so when the radial deformation of rock formula spare, thereby measure the pulling force of endless chain through radial extensometer, thereby obtain the radial change data of rock formula spare.
Drawings
Fig. 1 is a schematic three-dimensional structure diagram of a chain extensometer structure for a rock triaxial tester of the present invention;
fig. 2 is a schematic structural view of a chain extensometer structure for a rock triaxial tester according to the present invention;
fig. 3 is a schematic structural view of an axial elongation measuring assembly of a chain extensometer structure for a rock triaxial tester according to the present invention;
fig. 4 is a schematic structural view of a chain fastening assembly of a chain extensometer structure for a rock triaxial tester of the present invention;
fig. 5 is the utility model relates to a chain extensometer structure's of rock triaxial test machine copper wire threaded rod structure schematic diagram.
In the figure: 1. a copper wire threaded rod; 2. an endless chain; 3. a rock-type member; 4. an axial extension measurement assembly; 41. a extensometer body; 42. a threaded rod interface; 43. a wireless communication module; 44. a data summarization collector; 5. a lower circular ring; 51. a limiting through hole; 52. fixing screws; 53. a stainless ring; 54. mounting a circular hole; 6. a radial extensometer; 7. a chain fastening assembly; 71. positioning the bolt; 72. a metal fixing seat; 73. a card slot; 8. and (4) an upper circular ring.
Detailed Description
To make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the attached drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the described embodiments are part of the embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Example one
Referring to fig. 1, 2 and 3, a chain extensometer structure for a rock triaxial testing machine comprises a copper wire threaded rod 1 and an upper ring 8, wherein the copper wire threaded rod 1 is installed and connected at one side edge position of the upper ring 8, an axial extension measuring component 4 is arranged at the bottom end of the copper wire threaded rod 1, a lower ring 5 is arranged on the outer circumference of the axial extension measuring component 4, a rock type piece 3 is arranged between the inner sides of the lower ring 5 and the upper ring 8, an annular chain 2 is arranged on the outer circumference of the rock type piece 3, a chain fastening component 7 is arranged at the right end of the annular chain 2, a radial extensometer 6 is arranged at the rear end of the chain fastening component 7, when the chain extensometer structure is used, firstly, the rock type piece 3 is placed between the lower ring 5 and the upper ring 8, then the copper wire threaded rod 1 penetrates through the upper ring 8, and is rotatably installed in the axial extension measuring component 4 on the lower ring 5, so as to measure the axial deformation of the rock-type piece 3, when measuring, the data gathering collector 44 in the axial extension measuring component 4 automatically gathers and collects the deformed data, then the data gathered and collected automatically is transmitted to an external receiving terminal through the wireless communication module 43 so as to be observed and recorded, the rock-type piece 3 is surrounded by the endless chain 2, the ends at the two ends of the endless chain 2 are fixed by the chain fastening component 7, when fixing, the positioning bolt 71 is pulled out of the metal fixing seat 72, then the ends at the two ends of the endless chain 2 are inserted into the clamping groove 73, then the positioning bolt 71 is inserted back into the metal fixing seat 72, at this time, the ends at the two ends of the endless chain 2 are fixed in the clamping groove 73 by the positioning bolt 71, so that the end is not easy to fall off when using, and then the radial direction of the rock-type piece 3 is surrounded by the endless chain 2, so that when radial deformation of the rock-like member 3 occurs, and the tension in the endless chain 2 is measured by the radial extensometer 6, and radial variation data of the rock-like member 3 is derived, the same radial extensometer 6 is also provided with a data collector 44 and a wireless communication module 43 to transmit the radial deformation data to an external terminal for observation and recording.
The utility model discloses in, the installation is connected through the mode of pegging graft to axial extension measuring subassembly 4 and lower ring 5, and the axial extension measuring subassembly 4 that connects on the upper end one side position of ring 5 down, axial extension measuring subassembly 4 is including extensometer body 41, threaded rod interface 42, wireless communication module 43 and data collector 44 that gathers, extensometer body 41 inboard upper end is provided with threaded rod interface 42, extensometer body 41 bottom is provided with data collector 44 that gathers, data collector 44 upper end is located and is provided with wireless communication module 43 on extensometer body 41, extensometer body 41 is connected under on ring 5, when installing axial extension measuring subassembly 4, at first, peg graft extensometer body 41 to the installation round hole 54 on ring 5 down, connect the installation through the mode of pegging graft like this, make more convenient when the installation, when using, run through ring 8 with copper wire 1, and in rotatory installation and threaded rod interface 42, so that when measuring, can measure the radial deformation of rock formula 3, and when measuring, collect the data collection body through the collection of extensometer body 41, collect the data collection automatic collection of gathering data collection module 43 through gathering, so convenient use, in order to gather the outside data collection and use, convenient use, in order to gather the installation.
The working principle is as follows: when the device is used, firstly, the rock-type part 3 is placed between the lower circular ring 5 and the upper circular ring 8, then the copper wire threaded rod 1 penetrates through the upper circular ring 8 and is rotatably installed in the axial extension measuring component 4 on the lower circular ring 5 so as to measure the axial deformation of the rock-type part 3, when measurement is performed, the deformed data are automatically gathered and collected through the data gathering collector 44 in the axial extension measuring component 4, then the automatically gathered and collected data are transmitted to an external receiving terminal through the wireless communication module 43 so as to perform observation and recording, the rock-type part 3 is surrounded by the circular chain 2, the ends at two ends of the circular chain 2 are fixed through the chain fastening component 7, when the ends are fixed, the positioning bolt 71 is pulled out of the metal fixing seat 72, then the ends at two ends of the circular chain 2 are inserted into the clamping groove 73, then the positioning bolt 71 is inserted into the metal fixing seat 72, then the ends at two ends of the circular chain 2 are fixed in the clamping groove 73 so that the rock-type part is not easy to fall off when the rock-type part is used, then the radial ends of the circular chain 2 are surrounded by the rock-type part 3, so that when the radial extension measuring data of the radial extension measuring module 6 and the radial extension measuring module 6 are also used for measuring the radial extension data and the radial extension data of the radial extension measuring module 6 so as to obtain the data, and the radial extension data of the radial extension measuring device 3.
Example two
Referring to fig. 1, fig. 2 and fig. 4, a chain extensometer structure for a rock triaxial test machine, compared with the first embodiment, the present embodiment is that a chain fastening component 7 and a radial extensometer 6 are connected and installed in a welding manner, and the radial extensometer 6 is installed and connected at the rear end of the chain fastening component 7, the chain fastening component 7 includes a positioning bolt 71, a metal fixing seat 72 and a clamping groove 73, the inner sides of two sides of the rear end of the metal fixing seat 72 are provided with the clamping groove 73, the upper end of the clamping groove 73 is located on the metal fixing seat 72 and is provided with the positioning bolt 71, and the metal fixing seat 72 is connected on the annular chain 2 through the positioning bolt 71.
The working principle is as follows: when the chain fastening assembly 7 is used, firstly, the ring-shaped chain 2 is used for surrounding the rock-type part 3, then the positioning bolt 71 is pulled out of the metal fixing seat 72, then the ends at the two ends of the ring-shaped chain 2 are inserted into the clamping grooves 73, then the positioning bolt 71 is inserted back into the metal fixing seat 72, at the moment, the ends at the two ends of the ring-shaped chain 2 are fixed in the clamping grooves 73 by the positioning bolt 71, so that the ends are not easy to fall off when the chain fastening assembly is used, then the ring-shaped chain 2 surrounds the radial direction of the rock-type part 3, therefore, when the radial direction of the rock-type part 3 deforms, the tensile force of the ring-shaped chain 2 is measured through the radial extensometer 6, and therefore the radial direction change data of the rock-type part 3 are obtained.
EXAMPLE III
Referring to fig. 1 and fig. 2 and fig. 5, a chain extensometer structure for a rock triaxial testing machine, this embodiment compares in embodiment two, lower ring 5 is the same with the shape size of last ring 8, and lower ring 5 and last ring 8 adopt stainless material to make, lower ring 5 includes spacing through-hole 51, set screw 52, nonrust ring 53 and installation round hole 54, nonrust ring 53 inboard is provided with spacing through-hole 51, nonrust ring 53 outside both ends are provided with set screw 52, nonrust ring 53 upper end one side is provided with installation round hole 54, nonrust ring 53 passes through spacing through-hole 51 and connects on rock formula piece 3.
The working principle is as follows: when the lower ring 5 is used, the lower ring 5 and the upper ring 8 are the same in shape and size, so that when the rock-type part 3 is used, the rock-type part 3 can be placed in the limiting through hole 51 on the inner side of the stainless ring 53, and then the fixing screws 52 on the two sides of the outer end of the stainless ring 53 are rotated, so that the fixing screws 52 tightly press the rock-type part 3, the rock-type part 3 is not easy to fall off when the rock-type part is used, and the rock-type part is better used.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Claims (7)

1. The utility model provides a chain extensometer structure that rock triaxial test machine was used, includes copper wire threaded rod (1) and last ring (8), its characterized in that: the utility model discloses a rock drilling machine, including copper wire threaded rod (1), ring (8), ring (5) down, ring (5) and last ring (8) are provided with in the middle of the inboard of ring (5) and last ring (8) down, the outside a week of ring (4) is provided with ring (5) down, ring (5) and last ring (8) are provided with rock formula spare (3) down, the outside a week of rock formula spare (3) is provided with endless chain (2), the right-hand member end department of endless chain (2) is provided with chain fastening component (7), the rear end of chain fastening component (7) is provided with radial extensometer (6).
2. The structure of chain extensometer for rock triaxial tester according to claim 1, characterized in that: axial extensometer measuring component (4) is including extensometer body (41), threaded rod interface (42), wireless communication module (43) and data collector (44) that gathers, extensometer body (41) inboard upper end is provided with threaded rod interface (42), extensometer body (41) bottom is provided with data collector (44) that gathers, data collector (44) upper end is located and is provided with wireless communication module (43) on extensometer body (41), extensometer body (41) are connected under on ring (5).
3. The chain extensometer structure for a rock triaxial testing machine according to claim 1, characterized in that: chain fastening components (7) include positioning bolt (71), metal fixing base (72) and draw-in groove (73), metal fixing base (72) rear end both sides inboard is provided with draw-in groove (73), draw-in groove (73) upper end is located and is provided with positioning bolt (71) on metal fixing base (72), metal fixing base (72) are connected on annular chain (2) through positioning bolt (71).
4. The structure of chain extensometer for rock triaxial tester according to claim 1, characterized in that: lower ring (5) include spacing through-hole (51), set screw (52), nonrust ring (53) and installation round hole (54), nonrust ring (53) inboard is provided with spacing through-hole (51), nonrust ring (53) outside both ends are provided with set screw (52), nonrust ring (53) upper end one side is provided with installation round hole (54), nonrust ring (53) are connected on rock formula spare (3) through spacing through-hole (51).
5. The structure of chain extensometer for rock triaxial tester according to claim 1, characterized in that: the axial extension measuring component (4) and the lower circular ring (5) are connected and installed in an inserting mode, and the axial extension measuring component (4) is connected to one side of the upper end of the lower circular ring (5).
6. The chain extensometer structure for a rock triaxial testing machine according to claim 1, characterized in that: the lower circular ring (5) and the upper circular ring (8) are the same in shape and size, and the lower circular ring (5) and the upper circular ring (8) are made of stainless materials.
7. The chain extensometer structure for a rock triaxial testing machine according to claim 1, characterized in that: the chain fastening assembly (7) and the radial extensometer (6) are connected and installed in a welding mode, and the radial extensometer (6) is installed and connected to the rear end position of the chain fastening assembly (7).
CN202221489666.4U 2022-06-14 2022-06-14 Chain extensometer structure for rock triaxial test machine Active CN217980274U (en)

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Application Number Priority Date Filing Date Title
CN202221489666.4U CN217980274U (en) 2022-06-14 2022-06-14 Chain extensometer structure for rock triaxial test machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202221489666.4U CN217980274U (en) 2022-06-14 2022-06-14 Chain extensometer structure for rock triaxial test machine

Publications (1)

Publication Number Publication Date
CN217980274U true CN217980274U (en) 2022-12-06

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