CN212693192U - Device for carrying out indoor collision test of shield machine cutter - Google Patents
Device for carrying out indoor collision test of shield machine cutter Download PDFInfo
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- CN212693192U CN212693192U CN202020222789.6U CN202020222789U CN212693192U CN 212693192 U CN212693192 U CN 212693192U CN 202020222789 U CN202020222789 U CN 202020222789U CN 212693192 U CN212693192 U CN 212693192U
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Abstract
The utility model provides a device for carrying out shield constructs indoor bump test of machine tool. The device includes: the test bench comprises a test bench, a power and force transmission system, a test material box, a model cutter head, a model cutter, a data acquisition system, a transmission system, a data monitoring system and a PLC control system; the power and force transmission system comprises a rotating device and a propelling device, the rotating device is driven by a hydraulic drive motor, the propelling device is controlled by two propelling hydraulic cylinders with the same specification, an observation window is arranged on a test material box, and test materials are filled in the test material box; the model cutter is arranged on the model cutter head, the data acquisition system observes physical phenomena when the model cutter collides through the observation window, and the data monitoring system monitors the rotating speed condition of the model cutter head. The utility model discloses can survey and record the momentary physical phenomenon of model cutter collision, can probe into the mechanical model of shield cutter collision and collide the influence to the cutter, provide the scientific foundation for shield cutter collision mechanism and the relevant research of collision destruction.
Description
Technical Field
The utility model relates to a shield constructs machine cutter and detects technical field, especially relates to a device that carries out shield and constructs indoor bump test of machine cutter.
Background
In the underground tunneling construction process, the shield tunneling machine can encounter strata with different properties, such as silt, sand layers, clay, soft rock, hard rock and the like, and in some areas, complex strata, such as upper soft and lower hard composite strata, sandy gravel strata, boulder strata and the like can be encountered. As one of the technical problems frequently encountered in the shield tunneling process, it is very important to effectively avoid collision damage of the cutters, control and reduce the cutter collision, and correctly and reasonably select the cutter changing time.
Meanwhile, the existing test about the shield cutter mostly takes a shield cutter abrasion test as a main part, the test related to the collision of the shield cutter is rare, and the previous test equipment is difficult to monitor the stress of the cutter. In order to research the influence of various factors such as different shield construction tunneling parameters, different stratum conditions, different cutter types and configurations, mud improvement materials and the like on the cutter collision phenomenon, a corresponding device needs to be designed to perform a shield machine cutter collision test, and the service condition of the cutter is monitored in the test process. Therefore, in order to better study the collision phenomenon of the shield cutter, it is necessary to develop a device for performing a collision test in the shield cutter chamber.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a device for carrying out shield constructs indoor bump test of machine tool to overcome prior art's shortcoming.
In order to achieve the purpose, the utility model adopts the following technical scheme.
An apparatus for performing a shield tunneling machine tool room crash test, comprising: the test bench comprises a test bench, a power and force transmission system, a test material box, a model cutter head, a model cutter, a data acquisition system, a transmission system, a data monitoring system and a PLC control system;
the test bed frame consists of four cylindrical stand columns, an upper top plate, a limiting movable plate, a bottom plate, a hydraulic drive motor fixing support and a base, wherein the four cylindrical stand columns are used for fixing the upper top plate, the limiting movable plate and the bottom plate;
the power and force transmission system comprises a rotating device and a propelling device, the rotating device is driven by a hydraulic drive motor, the propelling device is controlled by two propelling hydraulic cylinders with the same specification, and the rotation and the propulsion of the model cutter head are realized under the combined action of the rotating device and the propelling device;
the test material box is fixedly arranged on a bottom plate of the test bench, an opening is formed in one side of the test material box, an observation window made of organic glass is arranged, and materials required by collision tests in different types and proportions of shield machine cutter chambers are filled in the test material box according to test requirements;
the model cutter is installed on the model cutter head, the data acquisition system observes and records physical phenomena when the model cutter collides through the observation window and monitors stress at the moment of collision of the model cutter, the data monitoring system monitors the rotating speed condition of the model cutter head, and the data acquisition system and the data monitoring system are connected with the PLC control system through a transmission system.
Preferably, the stand upper end of test bench is the notch cuttype for go up the installation of roof, go up the roof middle part and leave a round hole, hydraulic drive motor fixed bolster welds on spacing fly leaf, and the bottom plate is used for fixed test material case.
Preferably, the power and force transmission system comprises a rotating device and a propelling device, the rotating device is driven by a hydraulic driving motor, the hydraulic driving motor is connected with the fixed support through a bolt, the model cutter head is driven to rotate under the pushing of the hydraulic driving motor, the propelling device is controlled by two propelling hydraulic cylinders with the same specification, two ends of the hydraulic cylinder are respectively bolted with the top plate and the limiting movable plate, the limiting movable plate and the central bearing are driven to vertically move by the stretching of the hydraulic cylinder, the tunneling of the model cutter head is realized, the two propelling hydraulic cylinders are the same in specification and are connected with the hydraulic system through hydraulic oil pipes, and the oil inlet and outlet of the two propelling hydraulic oil pipes are kept synchronous.
Preferably, the test material box is cylindrical and is fixedly installed on a bottom plate of the test bench, an observation window made of organic glass is installed at one side of the material test box, and materials required by different types and proportions of indoor collision tests of the shield machine cutter are loaded into the test material box according to test requirements.
Preferably, the model cutter comprises a central circular plate, cutter spokes, a cutter ring frame and a detachable panel, the central circular plate and the cutter ring frame are welded together through the four cutter spokes, the four cutter spokes are arranged in a cross shape, the detachable panel is connected with the central circular plate and the cutter ring frame through bolts, a cutter connecting seat is welded on the back surface of the central circular plate and is bolted with the propelling central bearing, and the model cutter changes shape parameters of the model cutter such as chamfer angle, edge width and the like and hardness of the model cutter according to test requirements.
Preferably, the data acquisition system comprises a high-speed camera, a strain gauge or a strain rosette, the high-speed camera is used for observing and recording physical phenomena when the model cutter collides, the strain gauge or the strain rosette is used for monitoring stress at the moment of collision of the model cutter, and the strain gauge or the strain rosette is attached to different positions of the model cutter according to requirements.
Preferably, the transmission system comprises a near model cutter end wire, a conductive pulley and a far end wire; the wire near the model cutter end is connected with a strain gauge or a strain rosette, is attached to the model cutter, the lower end of the model cutter head, the opening of the model cutter head and the control bearing, and is connected with the inner ring of the conductive slip ring; the conductive slip ring is installed on the control bearing, the inner ring of the conductive slip ring is connected with the wire at the near model cutter end, the conductive slip ring and the wire rotate with the model cutter head, the model cutter and the control bearing simultaneously, the outer ring of the conductive slip ring is connected with the far-end wire, and the far-end wire is connected with the strain gauge.
Preferably, the data monitoring system comprises a rotating speed sensor, a strain gauge and a data analyzer, wherein the rotating speed sensor monitors the rotating speed condition of the model cutter head, the strain gauge is connected with the outer ring of the conductive slip ring through a far-end lead, and the strain gauge is connected with the data analyzer through a data line;
the PLC control system is provided with a touch device, the rotating speed, the tunneling speed and the propelling force of the model cutter head are set through the touch device, the set information is transmitted to the hydraulic system after the set information is completed, and the hydraulic system adjusts the rotation and the propulsion of the hydraulic drive motor and the propelling oil cylinder control model cutter head according to the received set information.
By the foregoing the technical scheme of the utility model provides a can see out, the embodiment of the utility model provides a can observe the physical phenomenon in the twinkling of an eye of model cutter collision, can probe into the mechanical model that the shield constructs the cutter collision and collide the influence to the cutter, provide scientific foundation for the research that shield constructs cutter collision mechanism and collision destruction.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an apparatus for performing an indoor collision test of a shield machine tool provided by the present invention;
the test bench comprises 1-a test bench, 2-a power and force transmission system, 3-a test material box, 4-a model cutter head, 5-a model cutter, 6-a strain flower or a strain gauge, 7-a high-speed camera, 8-an organic glass observation window, 9-a conductive slip ring, 10-a strain gauge, 11-a data analyzer and 12-a PLC control system.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present invention, and should not be construed as limiting the present invention.
As used herein, the singular forms "a", "an", "the" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. It will be understood that when an element is referred to as being "connected" or "coupled" to another element, it can be directly connected or coupled to the other element or intervening elements may also be present. Further, "connected" or "coupled" as used herein may include wirelessly connected or coupled. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
It will be understood by those skilled in the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
For the convenience of understanding the embodiments of the present invention, the following description will be given by way of example only with reference to the accompanying drawings, and the embodiments are not limited thereto.
The embodiment of the utility model provides a structure of device that carries out indoor bump test of shield structure machine cutter is shown in figure 1, and the device includes: the test bench comprises a test bench 1, a power and force transmission system 2, a test material box 3, a model cutter head 4, a model cutter 5, a data acquisition system, a transmission system, a data monitoring system and a PLC (Programmable logic Controller) control system.
The test bench 1 comprises four cylindrical stand columns, an upper top plate, a limiting movable plate, a bottom plate, a hydraulic drive motor fixing support and a base, wherein the four cylindrical stand columns are used for fixing the upper top plate, the limiting movable plate and the bottom plate, the upper ends of the stand columns are in a step shape and used for installing the upper top plate, a round hole is reserved in the middle of the upper top plate, a space is provided for the vertical movement of a propulsion center bearing, the hydraulic drive motor fixing support is welded on the limiting movable plate, and the bottom plate is used for fixing a test material box.
The power and force transmission system 2 is divided into a rotating device and a propelling device, the rotating device is driven by a hydraulic driving motor, the hydraulic driving motor is connected with the fixed support through a bolt, and the rotation of the model cutter head is realized under the pushing of the hydraulic driving motor. The propulsion device is controlled by two propulsion hydraulic cylinders with the same specification, two ends of the hydraulic cylinders are respectively bolted with the top plate and the limiting movable plate, and the limiting movable plate and the central bearing are driven by the extension of the hydraulic cylinders to vertically move, so that the model cutter head is propelled.
The two propelling hydraulic cylinders are the same in specification and are connected with a hydraulic system through hydraulic oil pipes, and oil inlet and outlet of the oil pipes of the two propelling hydraulic cylinders are kept synchronous so as to ensure that the tunneling device does not deflect.
The test material box 3 is cylindrical and is fixedly arranged on the bottom plate of the test bench 1. The whole test material box 3 is made of alloy, one side of the test material box is provided with an opening, the observation window 8 made of organic glass is installed, materials required by the collision test in shield machine cutter chambers of different types and proportions can be loaded into the test material box 3 according to test requirements, the materials comprise gravel, cement mortar blocks, concrete blocks and the like, and after the test is finished at every time, the test material box 3 can be detached, so that the test materials can be conveniently replaced.
The model cutter head 4 is composed of a central circular plate, cutter head spokes, a cutter head ring frame and a detachable panel, wherein the central circular plate and the cutter head ring frame are welded together through the four cutter head spokes, the four cutter head spokes are arranged in a cross shape, and the detachable panel is connected with the central circular plate and the cutter head ring frame through bolts.
Preferably, the back surface of the central circular plate is welded with a cutter disc connecting seat which can be bolted with the propelling central bearing.
Preferably, the model cutter 5 can change shape parameters of the model cutter such as chamfer angle, edge width and the like and hardness of the model cutter according to test requirements.
The data acquisition system comprises a high-speed camera 7 and a strain gauge or strain rosette 6, the high-speed camera 7 can observe and record the physical phenomenon of the model cutter during collision through an observation window 8, and the strain gauge or strain rosette 6 is used for monitoring the stress of the model cutter at the moment of collision. The strain gauge or the strain flower 6 can be attached to different positions of the model cutter according to requirements so as to monitor the stress of different positions when the model cutter collides in real time.
The transmission system comprises a wire at the end close to the model cutter, a conductive pulley 9 and a far-end wire. The wire at the end close to the model cutter is connected with a strain gauge or a strain gage 6, closely attached to the model cutter 5, the lower end of the model cutter 4, the opening of the model cutter 4 and a control bearing, and connected with an inner ring of a conductive slip ring 9, the conductive slip ring 9 is installed on the control bearing, the inner ring is connected with the wire at the end close to the model cutter 5, the two rotate with the model cutter 4, the model cutter 5 and the control bearing simultaneously, the outer ring is connected with a far-end wire, and the far-end wire is connected with a strain gauge 10. The conductive slip ring 9 can ensure that the slip ring outer ring and the lead connected with the slip ring outer ring do not rotate along with the rotation of the control bearing.
The data monitoring system comprises a rotating speed sensor, a strain gauge 10 and a data analyzer 11, wherein the rotating speed sensor can monitor the rotating speed condition of the model cutter head 4, the strain gauge 10 is connected with the outer ring of the conductive slip ring 9 through a far-end lead, and the strain gauge 10 is connected with the data analyzer 11 through a data line.
Data acquisition system with data monitoring system passes through transmission system and links to each other with PLC control system, PLC control system 12 is equipped with the touch-control device, sets for model blade disc 4 rotational speed, tunnelling speed and propulsive force through the touch-control, sets for to accomplish the back and will set up information transfer to hydraulic system, and hydraulic system adjusts the rotation and the vertical motion of hydraulic drive motor and propulsion cylinder control model blade disc according to received setting information, realizes the quick rotation of model blade disc 4 and guarantees the emergence of collision phenomenon in the test process.
Based on the device shown in fig. 1, the embodiment of the utility model provides a process flow of the method for carrying out indoor collision test of shield machine cutter includes the following steps:
a. according to the test requirements, different types and proportions of simulated rock-soil bodies are loaded in the test material box 3, the simulated rock-soil bodies including gravel, cement mortar blocks and concrete test blocks can be selected according to different stratum conditions, and then the required rock-soil bodies are compacted and consolidated;
b. selecting a proper model cutter head 4 to be combined with a model cutter 5 according to test requirements, weighing the model cutter 5, and recording the initial weight of the model cutter 5;
d. setting an initial rotating speed and a propelling speed of the model cutter head through a PLC control system, controlling the rotating speed of the model cutter head from slow to fast, and finally reaching the rotating speed required by the generation of the collision phenomenon, and performing simulated collision on the model cutter 5;
e. in the test process, attention is paid to observing the pressure of the pushing hydraulic cylinder, when the pressure of the hydraulic cylinder is increased sharply and is larger than a set pressure threshold value, the rotation of the model cutter head is stopped, the model cutter head 4 is lifted upwards, debris generated by rock breaking of the model cutter 5 in the test material box 3 is cleaned, and the model cutter head is controlled to rotate and push again after the cleaning is finished;
f. after the test is finished, collecting parameters such as propulsion distance, time, rotating speed, torque and the like, unloading and cleaning the model cutter 5, weighing, and calculating to obtain the abrasion loss;
g. processing and analyzing the test data according to the acquisition and recording of the PLC system 12;
h. and changing the test conditions according to different test requirements, and performing repeated tests.
The embodiment of the utility model provides a still provide a monitoring model cutter atress condition's test method when shield constructs indoor bump test of machine cutter goes on, including following step:
a. processing the surface of the position, to which the strain gauge or the strain rosette 6 is attached, on the model cutter 5 according to test requirements, cleaning paint, an oxide layer and dirt on the surface, polishing by using fine abrasive cloth, cleaning a lens of the high-speed camera 7, and aligning the lens of the high-speed camera 7 to the observation window 8;
b. adhering the strain gauge or the strain flower 6 to the corresponding position of the model cutter by using glue, and welding the strain gauge or the strain flower 6 and one end of the wire close to the end of the model cutter together after the glue is cured;
c. the lead is adhered to the model cutter 5 and the model cutter head 4 by glue without a gap in the middle, and the lead is firmly adhered to the control bearing by using an adhesive tape after passing through the model cutter head 4;
d. connecting the other end of the wire close to the model cutter end with the inner ring of the conductive slip ring 9;
e. connecting the outer ring of the conductive slip ring 9 with a far-end lead, and connecting the other end of the far-end lead with a strain gauge 10;
f. connecting the strain gauge 10 with the data analyzer 11 using a data line;
g. starting the indoor collision test equipment of the shield machine cutter, carrying out the indoor collision test of the shield machine cutter, wherein in the test process, the high-speed camera 7 records an image of the model cutter when colliding, the strain gauge or the strain rosette 6 transmits the stress condition of the position where the strain gauge or the strain rosette is located to the strain gauge 10, and data in the strain gauge 10 is led into the data analyzer 11 for observation and processing; by processing the data in the strain gauge, the stress strain value of the part of the model cutter required to be measured can be obtained, and the stress condition of the model cutter during collision can be obtained.
h. And changing the pasting position of the strain gauge or the strain rosette 6, monitoring the stress condition of different positions of the model cutter, and repeatedly detecting.
To sum up, the embodiment of the utility model provides a collision phenomenon that shield cutter probably appears at the tunnelling in-process has been explored through experimental mode, through the shooting of high-speed camera, can observe and take notes the momentary physical phenomenon of model cutter collision, through monitoring the momentary atress condition of model cutter collision, can explore the mechanical model of shield cutter collision, and explore the influence of collision to the cutter damage, be an effective method of research cutter collision to the influence of cutter damage and mechanical model, provide scientific foundation for the research of shield cutter collision mechanism and collision damage.
The utility model discloses can carry out the indoor collision test's of shield structure machine cutter simulation, carry out real-time supervision to the instantaneous atress condition when the collision at each position of model cutter through data monitoring system simultaneously, can establish cutter collision mechanics model, research cutter collision damage's mechanism and influence factor, shield structure engineering for the cutter collision probably appears in the work progress and proposes reasonable suggestion in order to reduce or avoid the cutter damage because of the collision takes place, for reasonable prediction cutter destruction, control and reduction cutter collision damage provide the scientific foundation. The utility model discloses the cost of manufacture is low, easy operation, but wide application in laboratory test.
Those of ordinary skill in the art will understand that: the figures are schematic representations of one embodiment, and the blocks or processes in the figures are not necessarily required to practice the present invention.
The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments. In particular, for apparatus or system embodiments, since they are substantially similar to method embodiments, they are described in relative terms, as long as they are described in partial descriptions of method embodiments. The above-described embodiments of the apparatus and system are merely illustrative, and the units described as separate parts may or may not be physically separate, and the parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (8)
1. The utility model provides a device that carries out shield structure machine cutter indoor bump test which characterized in that includes: the test bench comprises a test bench, a power and force transmission system, a test material box, a model cutter head, a model cutter, a data acquisition system, a transmission system, a data monitoring system and a PLC control system;
the test bed frame consists of four cylindrical stand columns, an upper top plate, a limiting movable plate, a bottom plate, a hydraulic drive motor fixing support and a base, wherein the four cylindrical stand columns are used for fixing the upper top plate, the limiting movable plate and the bottom plate;
the power and force transmission system comprises a rotating device and a propelling device, the rotating device is driven by a hydraulic drive motor, the propelling device is controlled by two propelling hydraulic cylinders with the same specification, and the rotation and the propulsion of the model cutter head are realized under the combined action of the rotating device and the propelling device;
the test material box is fixedly arranged on a bottom plate of the test bench, an opening is formed in one side of the test material box, an observation window made of organic glass is arranged, and materials required by collision tests in different types and proportions of shield machine cutter chambers are filled in the test material box according to test requirements;
the model cutter is installed on the model cutter head, the data acquisition system observes and records physical phenomena when the model cutter collides through the observation window and monitors stress at the moment of collision of the model cutter, the data monitoring system monitors the rotating speed condition of the model cutter head, and the data acquisition system and the data monitoring system are connected with the PLC control system through a transmission system.
2. The device of claim 1, wherein the upper end of the upright column of the test bed is stepped for mounting an upper top plate, a round hole is reserved in the middle of the upper top plate, the hydraulic drive motor fixing support is welded on the limiting movable plate, and the bottom plate is used for fixing the test material box.
3. The device according to claim 1, wherein the power and force transfer system comprises a rotating device and a propelling device, the rotating device is driven by a hydraulic driving motor, the hydraulic driving motor is connected with the fixed support through a bolt, the model cutter disc is driven to rotate by the hydraulic driving motor, the propelling device is controlled by two propelling hydraulic cylinders with the same specification, two ends of the hydraulic cylinder are respectively bolted with the top plate and the limiting movable plate, the limiting movable plate is driven by the stretching of the hydraulic cylinder to vertically move with the central bearing, the model cutter disc is propelled, the two propelling hydraulic cylinders are of the same specification and are connected with the hydraulic system through hydraulic oil pipes, and oil inlet and outlet of the oil pipes of the two propelling hydraulic cylinders are kept synchronous.
4. The device according to claim 1, characterized in that the test material box is cylindrical and is fixedly arranged on the bottom plate of the test bench, one side of the test material box is opened, an observation window made of organic glass is arranged, and materials required by the indoor collision test of the shield machine cutter in different types and proportions are filled in the test material box according to test requirements.
5. The apparatus of claim 1, wherein the model cutter comprises a central circular plate, cutter spokes, a cutter ring frame and a detachable panel, the central circular plate and the cutter ring frame are welded together by four cutter spokes, the four cutter spokes are arranged in a cross shape, the detachable panel is connected with the central circular plate and the cutter ring frame by bolts, a cutter connecting seat is welded on the back surface of the central circular plate and is bolted with the propelling central bearing, and the model cutter changes the shape parameters of the chamfer angle, the edge angle and the edge width of the model cutter and the hardness of the model cutter according to the test requirements.
6. The device according to claim 5, wherein the data acquisition system comprises a high-speed camera, a strain gauge or a strain flower, the high-speed camera is used for observing and recording physical phenomena when the model cutter collides, the strain gauge or the strain flower is used for monitoring stress at the moment of collision of the model cutter, and the strain gauge or the strain flower is attached to different positions of the model cutter according to requirements.
7. The apparatus of claim 6, wherein the transport system comprises a proximal mold cutter end wire, a conductive pulley, and a distal end wire; the wire near the model cutter end is connected with a strain gauge or a strain rosette, is attached to the model cutter, the lower end of the model cutter head, the opening of the model cutter head and the control bearing, and is connected with the inner ring of the conductive slip ring; the conductive slip ring is installed on the control bearing, the inner ring of the conductive slip ring is connected with the wire at the near model cutter end, the conductive slip ring and the wire rotate with the model cutter head, the model cutter and the control bearing simultaneously, the outer ring of the conductive slip ring is connected with the far-end wire, and the far-end wire is connected with the strain gauge.
8. The device of claim 7, wherein the data monitoring system comprises a rotation speed sensor, a strain gauge and a data analyzer, the rotation speed sensor monitors the rotation speed condition of the model cutter head, the strain gauge is connected with the outer ring of the conductive slip ring through a far-end lead, and the strain gauge is connected with the data analyzer through a data line;
the PLC control system is provided with a touch device, and the rotating speed, the tunneling speed and the propelling force of the model cutter head are set through the touch device.
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| CN202020222789.6U CN212693192U (en) | 2020-02-27 | 2020-02-27 | Device for carrying out indoor collision test of shield machine cutter |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111289203A (en) * | 2020-02-27 | 2020-06-16 | 北京交通大学 | Device and method for performing indoor collision test of shield machine cutter |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111289203A (en) * | 2020-02-27 | 2020-06-16 | 北京交通大学 | Device and method for performing indoor collision test of shield machine cutter |
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