CN216900547U - Circumferential synchronous extrusion mechanism for soil body measurement - Google Patents
Circumferential synchronous extrusion mechanism for soil body measurement Download PDFInfo
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- CN216900547U CN216900547U CN202220499516.5U CN202220499516U CN216900547U CN 216900547 U CN216900547 U CN 216900547U CN 202220499516 U CN202220499516 U CN 202220499516U CN 216900547 U CN216900547 U CN 216900547U
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Abstract
The utility model provides a circumferential synchronous extrusion mechanism for soil body measurement, and relates to the technical field of geotechnical engineering. The method comprises the following steps: the device comprises a model container, a plurality of adjusting assemblies and a second driving assembly, wherein the adjusting assemblies are distributed in the circumferential direction of the section of the model container, and a transmission group is arranged among the adjusting assemblies; the second driving assembly can drive the adjusting rods in the adjusting assemblies to synchronously move back and forth along the axial direction, and the pushing blocks can synchronously apply pushing force to the test soil in the model container. The utility model does not need to increase or decrease the soil mass in the model container to realize the change of the pressure value, the adjusting mode is more convenient, meanwhile, all the adjusting components are distributed in the circumferential direction of the model container, the simulated soil mass pressure value is formed by comprehensively superposing a plurality of directions, compared with the traditional soil mass pressure value simulated in a single direction, the utility model is more comprehensive and more real, and only one second driving component is needed to realize the synchronous operation of all the adjusting components.
Description
Technical Field
The utility model relates to the technical field of geotechnical engineering, in particular to a circumferential synchronous extrusion mechanism for soil body measurement.
Background
The pipe-jacking construction technology is a pipe burying construction technology without excavation or with few excavations, and is a construction technology for jacking a pipe into the soil according to a designed gradient by overcoming the friction force between the pipe and the surrounding soil body by means of jacking force generated by jacking equipment in a working pit. In the stratum with hard soil layer and great burial depth, the propulsion of the pipe piece can meet great resistance, which can lead to the problems that the pipe joint is difficult to jack, the pipe jacking machine bends over the pit and the like. In order to overcome the above problems in engineering, a relay station is usually arranged to realize excavation and tunneling of a shield machine, but the number of the relay stations is too large, pipe sections need to be jacked in batches, and the period of pipe jacking construction is seriously affected. In the jacking process of the jacking pipe, the friction force during pushing can be effectively reduced by injecting bentonite slurry between the jacking pipe and the soil body, but an effective calculation and analysis method is still lacked for the optimal bentonite slurry proportion and the corresponding segment jacking frictional resistance in the current engineering practice, and the method is mainly based on related engineering experience, so that larger errors are easily caused. The frictional resistance of corresponding section of jurisdiction when advancing is calculated in the experiment at present, and the frictional resistance of department of calculating need carry out corresponding data analysis at the soil body pressure value that corresponds, the measurement under the different scenes is realized through the mode of adding to the general adoption of the heap fill test soil sample of traditional measurement soil body pressure value, and such mode operation is comparatively troublesome, and the pressure value measured data that only leans on soil sample unilateral gravity to realize can not reflect real inside pressure data in the soil comprehensively, has certain limitation.
Disclosure of Invention
In view of the above-mentioned shortcomings of the prior art, the present invention provides a circumferential synchronous extrusion mechanism for soil body measurement, which is used to solve the problems in the prior art.
To achieve the above and other related objects, the present invention provides 1. a circumferential synchronous extrusion mechanism for soil body measurement, comprising:
the model container is cylindrical, a test soil body can be contained in the model container, and a plurality of openings are formed in the model container;
the adjusting assemblies are distributed in the circumferential direction of the section of the model container and comprise adjusting rods and pushing blocks, the pushing blocks are arranged in the model container, and the adjusting rods radially and movably penetrate through the side wall of the model container and are connected with the pushing blocks;
and a transmission group is arranged between the adjusting assemblies, and the second driving assembly can drive the adjusting rods in all the adjusting assemblies to synchronously move back and forth along the axial direction through the transmission group.
Optionally, the second drive assembly comprises a motor and a motor shaft.
Optionally, the adjusting assembly further comprises an adjusting bevel gear, a driving bevel gear is arranged on the motor shaft, and the driving bevel gear is matched with the adjusting bevel gear in one of the adjusting assemblies.
Optionally, the adjusting rod comprises a matching section, an external thread is arranged on the matching section, an adjusting threaded hole is formed in the adjusting bevel gear, and the matching section is matched with the adjusting threaded hole.
Optionally, the adjusting rod further comprises a rotation stopping section, a rotation stopping block is arranged at the position of the opening, and the rotation stopping block and the rotation stopping section are matched to prevent the adjusting rod from rotating.
Optionally, the rotation stopping section is a spline shaft, and a spline groove is formed in the rotation stopping block.
Optionally, the transmission set includes a transmission rod and two transmission bevel gears, the two transmission bevel gears are respectively disposed at two ends of the transmission rod, and the two transmission bevel gears are respectively matched with the two adjacent adjustment bevel gears in the adjustment assembly.
Optionally, the device further comprises a speed reducer, wherein the speed reducer comprises an input shaft and a first output shaft, the input shaft is connected with the motor shaft, and a driving bevel gear is arranged on the first output shaft.
Optionally, the speed reducer further comprises a second output shaft, and the second output shaft is used for driving the synchronous moving unit.
Optionally, the synchronous moving unit comprises a rotating group, a sliding rail, a first synchronizing assembly and a second synchronizing assembly,
the rotating group comprises a first connecting section and a second connecting section, the first connecting section comprises a worm, the second connecting section comprises a first screw and a second screw, and the first screw and the second screw are coaxially fixed at two ends of the worm respectively;
a second output worm wheel is arranged on the second output shaft and matched with the worm, and the rotation of the second output worm wheel can drive the rotating group to rotate;
the first synchronous assembly comprises a first sliding block and a first connecting piece, the first sliding block is slidably mounted on the sliding rail, the first connecting piece is mounted on the first sliding block, the first sliding block is provided with a first threaded hole, and the first threaded hole is matched with the first screw rod;
the second synchronous component comprises a second sliding block and a second connecting piece, the second sliding block is slidably mounted on the sliding rail, the second connecting piece is mounted on the second sliding block, a second threaded hole is formed in the second sliding block, and the second threaded hole is matched with the second screw rod.
As mentioned above, the circumferential synchronous extrusion mechanism for soil mass measurement of the present invention has at least the following beneficial effects:
the utility model provides a circumferential synchronous extrusion mechanism for soil body measurement, the traditional technical scheme is that the test soil body amount is increased and decreased in a model container or uniform load is added on a test soil sample to simulate and change the soil body pressure, the operation is tedious, the detected soil body pressure value mainly comes from the pressure value obtained in the soil body gravity direction, and the detected soil body pressure value is single and cannot comprehensively simulate the real pressure condition in a soil layer. In the scheme, a plurality of adjusting assemblies are arranged and distributed in the circumferential direction of the section of the model container in a surrounding manner, the adjusting rods in the adjusting assemblies can move back and forth along the axial direction of the rods through the second driving assembly, so that the pushing blocks are driven to apply different pressure values to the test soil body in the model container, the change of the simulated pressure value is realized without increasing or decreasing the soil body amount in the model container, and the adjusting mode is more convenient; meanwhile, all the adjusting components are distributed in the circumferential direction of the model container, and the simulated soil pressure value is formed by comprehensively superposing a plurality of directions, so that the simulated soil pressure value is more comprehensive and more real compared with the traditional soil pressure value simulated in a single direction; in addition, each adjusting assembly is connected through the transmission group, so that the utility model does not need to separately configure a second driving assembly for each adjusting assembly, only needs one second driving assembly to drive all the adjusting assemblies, can realize synchronous operation of each adjusting assembly, has simpler structure and can ensure more uniform pressure simulation.
Drawings
FIG. 1 is a schematic diagram showing the overall structure of a circumferential synchronous extrusion mechanism for soil mass measurement according to the present invention;
fig. 2 is a schematic diagram of the structure of the synchronous mobile unit according to the present invention.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure.
Please refer to fig. 1-2. It should be understood that the structures, ratios, sizes, and the like shown in the drawings are only used for matching the disclosure of the present disclosure, and are not used for limiting the conditions of the present disclosure, so that the present disclosure is not limited to the technical essence, and any modifications of the structures, changes of the ratios, or adjustments of the sizes, can still fall within the scope of the present disclosure without affecting the function and the achievable purpose of the present disclosure. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.
The following examples are for illustrative purposes only. The various embodiments may be combined, and are not limited to what is presented in the following single embodiment.
Referring to fig. 1, the present invention provides a circumferential synchronous extrusion mechanism for soil body measurement, including: the device comprises a model container 01, a plurality of adjusting components 2-1 and a second driving component, wherein a test soil body can be contained in the model container 01, and a plurality of openings are formed in the model container 01; the model container 01 is cylindrical, the adjusting assemblies 2-1 are distributed in the circumferential direction of the section of the model container 01, each adjusting assembly 2-1 comprises an adjusting rod 2-11 and a pushing block 2-12, the pushing blocks 2-12 are arranged inside the model container 01, and the adjusting rods 2-11 penetrate through the side wall of the model container 01 in a radial direction and are connected with the pushing blocks 2-12; the adjusting rods 2-11 penetrate through the openings and are connected with the pushing blocks 2-12, and a transmission group is arranged between each adjusting component 2-1; the second driving component can drive the adjusting rods 2-11 in the adjusting components 2-1 to synchronously move back and forth along the axial direction, and the pushing blocks 2-12 can synchronously apply pushing force to the test soil in the model container 01. The traditional technical scheme increases and decreases the test soil volume in the model container 01 or adds even load on the test soil sample to simulate and change the soil pressure, and the operation is not only more tedious, and the detected soil pressure value mainly comes from the pressure value obtained in the soil gravity direction, and is single, and the real pressure condition in the soil layer can not be comprehensively simulated. In the scheme, a plurality of adjusting assemblies 2-1 are arranged and distributed in the circumferential direction of the section of the model container 01 in a surrounding manner, the adjusting rods 2-11 in the adjusting assemblies 2-1 can move back and forth along the axial direction of the rods through second driving assemblies, so that the pushing blocks 2-12 are driven to apply different pressure values to the test soil body in the model container 01, the change of the simulated pressure values is realized without increasing or decreasing the soil body amount in the model container 01, and the adjusting mode is more convenient; meanwhile, the adjusting components 2-1 are distributed in the circumferential direction of the model container 01, and the simulated soil pressure value is formed by comprehensively superposing a plurality of directions, so that the soil pressure value is more comprehensive and more real compared with the soil pressure value simulated in the traditional single direction; in addition, each adjusting component 2-1 in the scheme is connected through a transmission group, so that the utility model does not need to configure a second driving component for each adjusting component 2-1 independently, can drive all the adjusting components 2-1 by only one second driving component, can realize synchronous operation of each adjusting component 2-1, has simpler structure and can ensure that the pressure simulation is more uniform.
In this embodiment, the second drive assembly includes motors 2-21 and a motor shaft.
In this embodiment, referring to fig. 1, the adjusting assembly 2-1 further includes an adjusting bevel gear 2-14, a driving bevel gear 2-22 is disposed on the motor shaft, and the driving bevel gear 2-22 is matched with the adjusting bevel gear 2-14 in one of the adjusting assemblies 2-1. The driving bevel gears 2-22 are meshed with the adjusting bevel gears 2-14 in one of the adjusting assemblies 2-1, the adjusting bevel gears 2-14 are used as power input ends, and in order to meet the adjustment caused by different transmission directions, the adjusting bevel gears 2-14 and the driving bevel gears 2-22 are selected to be bevel gears which can realize the adjustment of the transmission directions.
In this embodiment, referring to fig. 1, the adjusting rod 2-11 includes a matching section, the matching section is provided with an external thread, the adjusting bevel gear 2-14 is provided with an adjusting threaded hole, and the matching section is matched with the adjusting threaded hole. The adjusting rod 2-11 further comprises a rotation stopping section, a rotation stopping block 2-13 is arranged at the position of the opening, and the rotation stopping block 2-13 is matched with the rotation stopping section to prevent the adjusting rod 2-11 from rotating. The matching section is in threaded matching with the adjusting threaded hole, when the adjusting bevel gear 2-14 rotates, the rotating motion can be converted into linear motion, and the matching of the rotation stopping block 2-13 and the rotation stopping section is arranged to prevent the adjusting bevel gear 2-14 from driving the adjusting rod 2-11 to rotate when rotating, so that the rotating motion of the adjusting bevel gear 2-14 can drive the adjusting rod 2-11 to move linearly, the direction of the linear motion of the adjusting rod 2-11 can be changed by changing the steering direction of the adjusting bevel gear 2-14, and the pushing force value of the pushing block 2-12 on the test soil body can be adjusted. Optionally, the rotation stopping section is a spline shaft, spline grooves are formed in the rotation stopping blocks 2 to 13, or other types of spline shafts, such as flat keys, can be selected as the rotation stopping section, and the rotation stopping blocks 2 to 13 can be provided with corresponding key grooves, so that a rotation stopping effect can be achieved.
In this embodiment, referring to fig. 1, the transmission set includes transmission rods 2-31 and two transmission bevel gears 2-32, the two transmission bevel gears 2-32 are respectively disposed at two ends of the transmission rods 2-31, and the two transmission bevel gears 2-32 are respectively matched with the adjustment bevel gears 2-14 in the two adjacent adjustment assemblies 2-1. Specifically, when the second driving assembly drives one of the adjusting bevel gears 2-14 to rotate, the adjusting bevel gear 2-14 transmits power to the adjacent adjusting bevel gear 2-14 to rotate through the transmission bevel gear 2-32 and the transmission rod 2-31, and then transmits power to the next adjacent adjusting bevel gear 2-14 through the transmission bevel gear 2-32 and the transmission rod 2-31 in sequence, and finally, one motor 2-21 drives all the adjusting assemblies 2-1 to synchronously work.
In this embodiment, please refer to fig. 1 and fig. 2, further including a speed reducer 2-4, where the speed reducer 2-4 includes an input shaft, a first output shaft 2-41, and a second output shaft 2-42, the input shaft is connected to the motor shaft, and the first output shaft 2-41 is provided with a driving bevel gear 2-22. In order to ensure that the second driving assembly outputs at a proper rotating speed, a speed reducer 2-4 with two output ends can be arranged between the motor 2-21 and the adjusting assembly 2-1, the speed reducer 2-4 with two output ends is the prior art, and excessive burden is not required in the process, a gear shifting structure can be added on the speed reducer 2-4 and can be used for adjusting the transmission ratio of the input and the output of the speed reducer 2-4, the second output shaft 2-42 is used for driving a synchronous moving unit, the synchronous moving unit comprises a rotating group 2-51, a sliding rail 2-52, a first synchronous assembly and a second synchronous assembly, the rotating group 2-51 comprises a first connecting section 2-511 and a second connecting section 2-512, the first connecting section 2-511 comprises a worm, the second connecting section 2-512 comprises a first screw rod and a second screw rod, and the first screw rod and the second screw rod are respectively and coaxially fixed at two ends of the worm; a second output worm wheel 2-43 is arranged on the second output shaft 2-42, the second output worm wheel 2-43 is matched with the worm, and the second output worm wheel 2-43 rotates to drive the rotating group 2-51 to rotate; the first synchronous assembly comprises a first sliding block 2-53 and a first connecting piece 2-54, the first sliding block 2-53 is slidably mounted on the sliding rail 2-52, the first connecting piece 2-54 is mounted on the first sliding block 2-53, the first sliding block 2-53 is provided with a first threaded hole, and the first threaded hole is matched with the first screw rod; the second synchronous assembly comprises a second sliding block 2-55 and a second connecting piece 2-56, the second sliding block 2-55 is slidably mounted on the sliding rail 2-52, the second connecting piece 2-56 is mounted on the second sliding block 2-55, the second sliding block 2-55 is provided with a second threaded hole, and the second threaded hole is matched with the second screw rod.
In summary, compared with the traditional technical scheme, the circumferential synchronous extrusion mechanism for soil mass measurement is provided with a plurality of adjusting assemblies which are distributed in the circumferential direction of the section of the model container in a surrounding manner, the adjusting rods in the adjusting assemblies can move back and forth along the axial direction of the rods through the second driving assembly, so that the pushing blocks are driven to apply different pressure values to the test soil mass in the model container, the change of the simulated pressure values is realized without increasing or decreasing the soil mass in the model container, the adjusting mode is more convenient, meanwhile, the adjusting assemblies are distributed in the circumferential direction of the model container, the simulated pressure values of the soil mass are formed by comprehensively superposing in multiple directions, and compared with the traditional simulated pressure values of the soil mass in one direction, the simulated pressure values are more comprehensive and more real; in addition, each adjusting assembly is connected through the transmission group, so that the utility model does not need to separately configure a second driving assembly for each adjusting assembly, only needs one second driving assembly to drive all the adjusting assemblies, can realize synchronous operation of each adjusting assembly, has simpler structure and can ensure more uniform pressure simulation. Therefore, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the utility model. Those skilled in the art can modify or change the above-described embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (10)
1. A synchronous extrusion mechanism of circumference for soil body is measured which characterized in that includes:
the model container is cylindrical, a test soil body can be contained in the model container, and a plurality of openings are formed in the model container;
the adjusting assemblies are distributed in the circumferential direction of the section of the model container and comprise adjusting rods and pushing blocks, the pushing blocks are arranged in the model container, and the adjusting rods radially and movably penetrate through the side wall of the model container and are connected with the pushing blocks;
and a transmission group is arranged between the adjusting assemblies, and the second driving assembly can drive the adjusting rods in all the adjusting assemblies to synchronously move back and forth along the axial direction through the transmission group.
2. The circumferential synchronous extrusion mechanism for soil mass measurement according to claim 1, wherein:
the second drive assembly includes a motor and a motor shaft.
3. The circumferential synchronous extrusion mechanism for soil mass measurement according to claim 2, wherein:
the adjusting component further comprises an adjusting bevel gear, a driving bevel gear is arranged on the motor shaft, and the driving bevel gear is matched with the adjusting bevel gear in one of the adjusting components.
4. The circumferential synchronous extrusion mechanism for soil mass measurement as claimed in claim 3, wherein:
the adjusting rod comprises a matching section, an external thread is arranged on the matching section, an adjusting threaded hole is formed in the adjusting bevel gear, and the matching section is matched with the adjusting threaded hole.
5. The circumferential synchronous extrusion mechanism for soil mass measurement according to claim 4, wherein:
the adjusting rod further comprises a rotation stopping section, a rotation stopping block is arranged at the position of the opening, and the rotation stopping block and the rotation stopping section are matched to prevent the adjusting rod from rotating.
6. A circumferential synchronous extrusion mechanism for soil mass measurement according to claim 5, wherein:
the rotation stopping section is a spline shaft, and a spline groove is formed in the rotation stopping block.
7. The circumferential synchronous extrusion mechanism for soil mass measurement as claimed in claim 3, wherein:
the transmission assembly comprises a transmission rod and two transmission bevel gears, the two transmission bevel gears are respectively arranged at two ends of the transmission rod, and the two transmission bevel gears are respectively matched with the adjusting bevel gears in the two adjacent adjusting assemblies.
8. The circumferential synchronous extrusion mechanism for soil mass measurement according to claim 2, wherein:
the motor is characterized by further comprising a speed reducer, wherein the speed reducer comprises an input shaft and a first output shaft, the input shaft is connected with the motor shaft, and a driving bevel gear is arranged on the first output shaft.
9. The circumferential synchronous extrusion mechanism for soil mass measurement as claimed in claim 8, wherein:
the decelerator further includes a second output shaft for driving the synchronous moving unit.
10. A circumferential synchronous extrusion mechanism for soil mass measurement as claimed in claim 9, wherein:
the synchronous moving unit comprises a rotating group, a sliding rail, a first synchronous component and a second synchronous component,
the rotating group comprises a first connecting section and a second connecting section, the first connecting section comprises a worm, the second connecting section comprises a first screw rod and a second screw rod, and the first screw rod and the second screw rod are respectively and coaxially fixed at two ends of the worm;
a second output worm wheel is arranged on the second output shaft and matched with the worm, and the rotation of the second output worm wheel can drive the rotating group to rotate;
the first synchronous assembly comprises a first sliding block and a first connecting piece, the first sliding block is slidably mounted on the sliding rail, the first connecting piece is mounted on the first sliding block, the first sliding block is provided with a first threaded hole, and the first threaded hole is matched with the first screw rod;
the second synchronous component comprises a second sliding block and a second connecting piece, the second sliding block is slidably mounted on the sliding rail, the second connecting piece is mounted on the second sliding block, the second sliding block is provided with a second threaded hole, and the second threaded hole is matched with the second screw rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220499516.5U CN216900547U (en) | 2022-03-08 | 2022-03-08 | Circumferential synchronous extrusion mechanism for soil body measurement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220499516.5U CN216900547U (en) | 2022-03-08 | 2022-03-08 | Circumferential synchronous extrusion mechanism for soil body measurement |
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| Publication Number | Publication Date |
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| CN216900547U true CN216900547U (en) | 2022-07-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202220499516.5U Active CN216900547U (en) | 2022-03-08 | 2022-03-08 | Circumferential synchronous extrusion mechanism for soil body measurement |
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| CN (1) | CN216900547U (en) |
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- 2022-03-08 CN CN202220499516.5U patent/CN216900547U/en active Active
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