CN210465099U - Residue collection device of concrete compression testing machine - Google Patents
Residue collection device of concrete compression testing machine Download PDFInfo
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- CN210465099U CN210465099U CN201920555246.3U CN201920555246U CN210465099U CN 210465099 U CN210465099 U CN 210465099U CN 201920555246 U CN201920555246 U CN 201920555246U CN 210465099 U CN210465099 U CN 210465099U
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- 230000006872 improvement Effects 0.000 description 9
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Abstract
The utility model provides a concrete compression testing machine's residue collection device, include: the material receiving discs are movably arranged on two sides of a lower pressure disc of the concrete compression testing machine, and form a plane with the lower pressure disc when being closed; the piezoelectric conversion component is connected with the pressure sensor of the concrete compression testing machine and used for acquiring a working pressure signal of the concrete compression testing machine and converting the working pressure signal into current; the electric controller is connected with the piezoelectric conversion component and is used for acquiring the current; and the electromagnetic induction component is arranged on the take-up pan, is connected with the electric controller and the piezoelectric conversion component and is used for converting the current into a magnetic field, and the take-up pan is closed or opened under the action of the magnetic field. Adopt the utility model discloses a residue collection device, according to the principle that the magnetic field homopolar repulsion, left take-up (stock) pan and right take-up (stock) pan are automatic to be opened, and the operating personnel of being convenient for clears up the residue.
Description
Technical Field
The invention belongs to the technical field of concrete compression tests, and particularly relates to a residue collecting device of a concrete compression test machine.
Background
The concrete strength is one of the most important indexes of the concrete quality, so that the concrete compression test plays an important role in ensuring the quality of the construction engineering. But high strength concrete is when the loading pressure surpasses the ultimate bearing capacity when doing compression test, and the test block can take place to destroy, and thick and thin aggregate and stone can produce a large amount of residues because of bursting apart around the test block in the concrete, and the residue is not convenient for to be clear, needs the manual cleaning, wastes time and energy and influences the experiment and continues to go on, if open concrete compression testing machine at the clearance in-process mistake, then can take place the accident easily.
Disclosure of Invention
In order to overcome the technical defects, the invention provides the residue collecting device of the concrete compression testing machine, which can be used for quickly collecting residues generated by a test block and simultaneously avoiding accidents.
In order to solve the problems, the invention is realized according to the following technical scheme:
a residue collection device of a concrete compression testing machine, comprising:
the material receiving discs are movably arranged on two sides of a lower pressure disc of the concrete compression testing machine, and form a plane with the lower pressure disc when being closed;
the piezoelectric conversion component is connected with the pressure sensor of the concrete compression testing machine and used for acquiring a working pressure signal of the concrete compression testing machine and converting the working pressure signal into current;
the electric controller is connected with the piezoelectric conversion component and is used for acquiring the current;
and the electromagnetic induction component is arranged on the take-up pan, is connected with the electric controller and the piezoelectric conversion component and is used for converting the current into a magnetic field, and the take-up pan is closed or opened under the action of the magnetic field.
Compared with the prior art, the invention has the beneficial effects that: the method comprises the steps that a piezoelectric conversion component is arranged to obtain a real-time working pressure signal of the concrete compression testing machine, the working pressure signal is converted into current, in the compression testing process, the pressure applied by the concrete compression testing machine is gradually increased, the current generated by the piezoelectric conversion component is increased, the current generated by the electromagnetic induction component is increased, a magnetic field which is mutually attracted is generated, the receiving disc is closed, damaged stones are cracked, and coarse and fine aggregates and stones are splashed onto the receiving disc; after the concrete compression testing machine destroys the concrete test block, the pressure is suddenly reduced, the current passing through the electromagnetic induction part is also reduced, and a mutually exclusive expression is generated, so that the receiving disc is opened under the action of a magnetic field, and an operator can quickly collect residues.
As a further improvement of the present invention, the piezoelectric conversion part includes:
the pressure reader is connected with the pressure sensor of the concrete compression testing machine and used for acquiring the working pressure signal;
the piezoelectric converter is connected with the pressure reader and used for converting the working pressure signal into the current;
and the transformer is connected with the piezoelectric converter and used for providing voltage for the electric controller.
As a further improvement of the present invention, the take-up pan comprises: left take-up (stock) pan and right take-up (stock) pan, the electromagnetic induction part includes:
the magnetic switch is connected with the pressure reader;
the first electromagnet group is arranged at the bottom of the right material receiving disc and is connected with the pressure reader and the electric controller;
and the second electromagnet group is arranged at the bottom of the left material receiving disc and is connected with the pressure reader and the electric controller.
As a further improvement of the present invention, the magnetic switch includes:
the shell is a glass tube shell, and the inside of the glass tube shell is vacuum or filled with inert gas;
a reed disposed within the housing, a first end of the reed being coupled to the pressure reader;
the normally closed sheet is arranged in the shell, the first end of the normally closed sheet is abutted against the second end of the reed, and the second end of the normally closed sheet is connected with the second electromagnet group;
the normally-open piece is arranged in the shell, a first end of the normally-open piece and a first end of the normally-closed piece are overlapped and provided with a section of gap, and a second end of the normally-open piece is connected with the second electromagnet group;
and the magnetic switch coil is wound on the shell clockwise, the first end of the magnetic switch coil is connected with the pressure reader, and the second end of the magnetic switch coil is connected with the electric controller.
As a further improvement of the present invention, the first electromagnet group includes:
the end face of the first iron core is fixedly arranged at the bottom of the right material receiving disc;
and the first coil is wound on the first iron core, and is connected with the pressure reader and the electric controller.
As a further improvement of the present invention, the second electromagnet group includes:
the end face of the second iron core is fixedly arranged at the bottom of the left material receiving disc;
the second coil is wound on the second iron core and connected with the second end of the normally-closed piece and the electric controller;
the end face of the third iron core is fixedly arranged at the bottom of the left material receiving disc;
and the third coil is wound on the third iron core, and is connected with the second end of the normally-open sheet and the electric controller.
As a further improvement of the present invention, the first coil is clockwise wound on the first iron core, a first end of the first coil is connected to the pressure reader, and a second end of the first coil is connected to the electric controller; the second coil is clockwise wound on the second iron core, the first end of the second coil is connected with the second end of the normally closed piece, and the second end of the second coil is connected with the electric controller; and a third coil is wound on the third iron core in a counterclockwise manner, the first end of the third coil is connected with the second end of the normally-open piece, and the second end of the third coil is connected with the electric controller.
As a further improvement of the present invention, the first coil is clockwise wound on the first iron core, a first end of the first coil is connected to the pressure reader, and a second end of the first coil is connected to the electric controller; the second coil is clockwise wound on the second iron core, the first end of the second coil is connected with the second end of the normally closed piece, and the second end of the second coil is connected with the electric controller; and a third coil is clockwise wound on the third iron core, the second end of the third coil is connected with the second end of the normally-open piece, and the first end of the third coil is connected with the electric controller.
As a further improvement of the present invention, the first coil is wound on the first iron core counterclockwise, a first end of the first coil is connected to the pressure reader, and a second end of the first coil is connected to the electric controller; the second coil is wound on the second iron core anticlockwise, a first end of the second coil is connected with a second end of the normally-closed piece, and a second end of the second coil is connected with the electric controller; and a third coil is clockwise wound on the third iron core, the first end of the third coil is connected with the second end of the normally-open piece, and the second end of the third coil is connected with the electric controller.
As a further improvement of the present invention, the first coil is wound on the first iron core counterclockwise, a first end of the first coil is connected to the pressure reader, and a second end of the first coil is connected to the electric controller; the second coil is wound on the second iron core anticlockwise, a first end of the second coil is connected with a second end of the normally-closed piece, and a second end of the second coil is connected with the electric controller; and a third coil is wound on the third iron core in a counterclockwise manner, the second end of the third coil is connected with the second end of the normally-open piece, and the first end of the third coil is connected with the electric controller.
Compared with the prior art, the invention has the beneficial effects that: through the arrangement of the four schemes, when the current is increased, the magnetic field generated by the first iron core is opposite to the magnetic field generated by the third iron core, the left material receiving disc and the right material receiving disc are automatically closed according to the principle that the magnetic fields attract each other in opposite directions, when the current is increased, the magnetic field generated by the first iron core is the same as the magnetic field generated by the third iron core, and the left material receiving disc and the right material receiving disc are automatically opened according to the principle that the magnetic fields repel each other in the same row, so that an operator can conveniently clean residues.
Drawings
Embodiments of the invention are described in further detail below with reference to the attached drawing figures, wherein:
FIG. 1 is a schematic view of the overall structure of the residue collection apparatus according to the present invention;
FIG. 2 is a schematic view showing the connection of the whole structure of the residue collecting device according to the present invention;
FIG. 3 is a schematic structural diagram according to a first embodiment of the present invention;
FIG. 4 is a schematic structural diagram according to a first embodiment of the present invention;
FIG. 5 is a schematic structural diagram according to a second embodiment of the present invention;
FIG. 6 is a schematic structural diagram according to a second embodiment of the present invention;
FIG. 7 is a schematic structural diagram of a third embodiment of the present invention;
FIG. 8 is a schematic structural diagram of a third embodiment of the present invention;
FIG. 9 is a schematic structural diagram of a fourth embodiment of the present invention;
fig. 10 is a schematic structural diagram of a fourth embodiment of the present invention.
Description of the labeling: 1-receiving tray; 11-right take-up pan; 12-a left take-up pan; 13-a pulley; 14-a handle; 2-a piezoelectric conversion component; 21-a pressure reader; 22-a piezoelectric transducer; 23-a transformer; 3, an electric controller; 4-an electromagnetic induction component; 41-a magnetic switch; 411-a housing; 412-reed; 413-normally closed sheet; 414-normally open sheet; 415-a magnetic switching coil; 42-a first electromagnet group; 421-a first core; 422-a first coil; 43-a second electromagnet group; 431-a second core; 432-a second coil; 433 — a third iron core; 434-third coil; and 5, a residue collection barrel.
100-lower pressure plate; 101-a pressure sensor; 103-a guide rail; 104-operating platform.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
Example one
The invention discloses a residue collecting device of a concrete compression testing machine, as shown in figure 1, comprising: the device comprises a material receiving disc 1, a piezoelectric conversion component 2, an electric controller 3 and an electromagnetic induction component 4, wherein the material receiving disc 1 is movably arranged on two sides of a lower pressure disc 100 of the concrete compression testing machine, and the material receiving disc 1 and the lower pressure disc 100 form a plane when being closed; the piezoelectric conversion component 2 is connected with a pressure sensor 101 of the concrete compression testing machine and used for acquiring a working pressure signal of the concrete compression testing machine and converting the working pressure signal into current; the electric controller 3 is connected with the piezoelectric conversion component 2 and is used for acquiring current; the electromagnetic induction part 4 is arranged on the inner side of the protective cover 1, is connected with the electric controller 3 and the piezoelectric conversion part 2 and is used for converting current into a magnetic field, and the receiving disc 1 is closed or opened under the action of the magnetic field.
In this embodiment, concrete compression testing machine's both ends are provided with the guide rail 103 that extends toward both sides, left take-up (stock) pan 12 passes through pulley 13 and slides and set up on left guide rail 103, right take-up (stock) pan 11 passes through pulley 13 and slides and set up on the guide rail 103 on right side, and, left side take-up (stock) pan 12 and the inboard of right take-up (stock) pan 11 all are provided with semicircular recess, make two take-up (stock) pans when closing, form a plane with holding down (stock) pan 100, left side take-up (stock) pan 12 and the outside of right take-up (stock) pan 11 all are provided with handle 14, left side take-up (stock) pan 12 and right take-up (stock) pan 11.
The real-time working pressure signal of the concrete compression testing machine is obtained by arranging the piezoelectric conversion component 2, the working pressure signal is converted into current, in the compression testing process, the pressure applied by the concrete compression testing machine is gradually increased, so that the current generated by the piezoelectric conversion component 2 is increased, the current generated by the electromagnetic induction component 4 is increased, a magnetic field which is mutually attracted is generated, and the material receiving disc 1 is closed under the action of the magnetic field to play a role in protection; after the concrete compression testing machine destroys the concrete test block, the pressure is suddenly reduced, the current passing through the electromagnetic induction part 4 is reduced, and a mutually exclusive expression is generated, so that the receiving tray 1 is opened under the action of a magnetic field.
Further, as shown in fig. 2, the piezoelectric conversion part 2 includes: the device comprises a pressure reader 21, a piezoelectric converter 22 and a transformer 23, wherein the pressure reader 21 is connected with a pressure sensor 101 of the concrete compression testing machine and used for acquiring a working pressure signal; the piezoelectric transducer 22 is connected with the pressure reader 21 and used for converting the working pressure signal into current; the transformer 23 is connected to the piezoelectric transducer 22 for providing a voltage to the electric controller 3.
Specifically, the operating pressure signal is converted into a current according to the following formula, I ═ V/R ═ KF/R, where I is the current, V is the voltage, R is the resistance, K is the piezoelectric conversion coefficient, and F is the pressure reading value.
Further, the electromagnetic induction part 4 includes: the pressure reading device comprises a magnetic switch 41, a first electromagnet group 42 and a second electromagnet group 43, wherein the magnetic switch 41 is connected with the pressure reader 21; the first electromagnet group 42 is arranged at the bottom of the right material receiving disc 11 of the protective cover 1, and the first electromagnet group 41 is connected with the pressure reader 21 and the electric controller 3; the second electromagnet group 43 is arranged at the bottom of the left material receiving disc 12 of the protective cover 1, and the second electromagnet group 42 is connected with the pressure reader 21 and the electric controller 3.
Specifically, the magnetic switch 41 includes: a housing 411, a reed 412, a normally closed piece 413, a normally open piece 414, and a magnetic switch coil 415. The housing 411 is a glass tube housing, and the inside of the glass tube housing is vacuum or filled with inert gas; a reed 415 disposed within the housing 411, a first end of the reed 412 being coupled to the pressure reader 21; the normally closed piece 413 is arranged in the shell 411, a first end of the normally closed piece 413 is abutted against a second end of the spring piece 412, and a second end of the normally closed piece 413 is connected with the second electromagnet group 43; the normally-open piece 414 is arranged in the shell 411, a first end of the normally-open piece 414 and a first end of the normally-closed piece 413 are overlapped and have a gap, and a second end of the normally-open piece 414 is connected with the second electromagnet group 43; the magnetic switch coil 415 is wound on the housing 411 clockwise, a first end of the magnetic switch coil 415 is connected with the pressure reader 21, and a second end of the magnetic switch coil 415 is connected with the electric controller 3.
Further, the first electromagnet group 42 includes: the end face of the first iron core 421 is fixedly arranged at the bottom of the right material receiving tray 11 of the protective cover 1; the first coil 422 is wound around the first core 421, and the first coil 422 is connected to the pressure reader 21 and the electric controller 3.
Further, the second electromagnet group 43 includes: a second core 431, a second coil 432, a third core 433, and a third coil 434; the end face of the second iron core 431 is fixedly arranged at the bottom of the left material receiving tray 12; a second coil 432 is wound on the second iron core 431, and the second coil 432 is connected with the second end of the normally closed piece 413 and the electric controller 3; the end face of the third iron core 433 is fixedly arranged at the bottom of the left material receiving disc 12 of the protective cover 1; and a third coil 434 is wound on the third iron core 433, and the third coil 434 is connected with the second end of the normally-open sheet 414 and the electric controller 3.
Specifically, as shown in fig. 3 and 4, the first coil 422 is clockwise wound on the first iron core 421, a first end of the first coil 422 is connected to the pressure reader 21, and a second end of the first coil 422 is connected to the electric controller 3; the second coil 432 is clockwise wound on the second iron core 431, a first end of the second coil 432 is connected with a second end of the normally closed piece 413, and a second end of the second coil 432 is connected with the electric controller 3; the third coil 434 is wound on the third iron core 433 counterclockwise, a first end of the third coil 434 is connected with a second end of the normally open piece 414, and a second end of the third coil 434 is connected with the electric controller 3.
The present invention will be further explained with reference to the following embodiments.
When the concrete compression test is started, when the pressure is increased from 0 to F1, corresponding current is increased from 0 to I1, the magnetic flux intensity is increased from 0 to B1, the reed 412 of the left material receiving tray 12 is connected with the normally closed piece 413, the current in the second coil 432 connected with the normally closed piece 413 flows to the same direction as that in the right material receiving tray 11, and therefore the left material receiving tray 12 generates the same magnetism as the left material receiving tray 12, and the left material receiving tray 12 and the right material receiving tray 11 are enabled to keep an open state due to the fact that the same poles repel each other according to the electromagnetic principle.
When the pressure exceeds F1, the current exceeds I1, the magnetic flux intensity B is greater than B1, the reed 412 of the left receiving tray 12 is connected with the normally open piece 414 under the action of a magnetic field generated by the magnetic switch coil 415, and the current direction of the third iron core 433 connected with the normally open piece 414 in series is opposite to the current direction in the right receiving tray 11, so that when the reed 412 is connected with the normally open piece 414, the left receiving tray 12 generates magnetism opposite to that of the right receiving tray 11, the left receiving tray 11 and the left receiving tray 12 are automatically closed due to opposite attraction of the electromagnetic principle, and when stones are damaged, residues are splashed onto the right receiving tray 11 and the left receiving tray 12.
When the concrete test block is damaged, the loading pressure drops steeply, the current in the circuit is reduced, when the pressure drops below F1 and the current is lower than I1, and the magnetic flux intensity B is smaller than B1, the reed 412 is disconnected with the normally open piece 414 and connected with the normally closed piece 413, the magnetism generated by the first iron core 421 and the magnetism generated by the second iron core 431 change to be opposite magnetism, and the right material receiving tray 11 and the left material receiving tray 12 are opened automatically under the action of the magnetic force of like poles repelling each other; after the experiment is accomplished once, the operator passes through handle 14, and with left take-up (stock) pan 12 and right take-up (stock) pan 11 toward drawing outward, pull out two take-up (stock) pans from guide rail 103 through pulley 13, under the effect of gravity, left take-up (stock) pan 12 and right take-up (stock) pan 11 can overturn to the center, and the residue has guaranteed operation platform 104's cleanness in falling into the residue collecting vessel automatically, has improved detection efficiency.
Example two
In this embodiment, as shown in fig. 5 and 6, the first coil 422 is clockwise wound on the first iron core 421, a first end of the first coil 422 is connected to the pressure reader 21, and a second end of the first coil 422 is connected to the electric controller 3; the second coil 432 is clockwise wound on the second iron core 431, a first end of the second coil 432 is connected with a second end of the normally closed piece 413, and a second end of the second coil 432 is connected with the electric controller 3; the third coil 434 is clockwise wound on the third iron core 433, the second end of the third coil 434 is connected with the second end of the normally-open piece 414, and the first end of the third coil 434 is connected with the electric controller 3.
The rest of the structure setting and implementation processes are the same as those in the first embodiment, and are not described herein.
EXAMPLE III
In this embodiment, as shown in fig. 7 and 8, the first coil 422 is wound on the first iron core 421 counterclockwise, a first end of the first coil 422 is connected to the pressure reader 21, and a second end of the first coil 422 is connected to the electric controller 3; the second coil 432 is wound on the second iron core 431 in a counterclockwise manner, a first end of the second coil 432 is connected with a second end of the normally-closed piece 413, and a second end of the second coil 432 is connected with the electric controller 3; the third coil 434 is clockwise wound on the third iron core 433, a first end of the third coil 434 is connected with a second end of the normally-open piece 414, and a second end of the third coil 434 is connected with the electric controller 3.
The rest of the structure setting and implementation processes are the same as those in the first embodiment, and are not described herein.
Example four
In this embodiment, as shown in fig. 9 and 10, the first coil 422 is wound on the first iron core 432 counterclockwise, a first end of the first coil 422 is connected to the pressure reader 21, and a second end of the first coil 422 is connected to the electric controller 3; the second coil 432 is wound on the second iron core 431 in a counterclockwise manner, a first end of the second coil 432 is connected with a second end of the normally-closed piece 413, and a second end of the second coil 432 is connected with the electric controller 3; the third coil 434 is wound on the third iron core 433 counterclockwise, a second end of the third coil 434 is connected with a second end of the normally open sheet 434, and a first end of the third coil 434 is connected with the electric controller 3.
The rest of the structure setting and implementation processes are the same as those in the first embodiment, and are not described herein.
Through the arrangement of the four schemes, when the current is increased, the magnetic field generated by the first iron core 421 is opposite to the magnetic field generated by the third iron core 433, the left material receiving tray 12 and the right material receiving tray 11 are automatically closed according to the principle that the magnetic fields attract each other in opposite directions, when the current is increased, the magnetic field generated by the first iron core 421 is the same as the magnetic field generated by the third iron core 433, and the left material receiving tray 12 and the right material receiving tray 11 are automatically opened according to the principle that the magnetic fields repel each other in the same row.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, so that any modification, equivalent change and modification made to the above embodiment according to the technical spirit of the present invention are within the scope of the technical solution of the present invention.
Claims (10)
1. The utility model provides a concrete compression testing machine's residue collection device which characterized in that includes:
the material receiving discs are movably arranged on two sides of a lower pressure disc of the concrete compression testing machine, and form a plane with the lower pressure disc of the concrete compression testing machine when being closed;
the piezoelectric conversion component is connected with the pressure sensor of the concrete compression testing machine and used for acquiring a working pressure signal of the concrete compression testing machine and converting the working pressure signal into current;
the electric controller is connected with the piezoelectric conversion component and is used for acquiring the current;
and the electromagnetic induction component is arranged on the take-up pan, is connected with the electric controller and the piezoelectric conversion component and is used for converting the current into a magnetic field, and the take-up pan is closed or opened under the action of the magnetic field.
2. The debris collection device of claim 1, wherein the piezoelectric conversion component comprises:
the pressure reader is connected with the pressure sensor of the concrete compression testing machine and used for acquiring the working pressure signal;
the piezoelectric converter is connected with the pressure reader and used for converting the working pressure signal into the current;
and the transformer is connected with the piezoelectric converter and used for providing voltage for the electric controller.
3. The debris collection device of claim 2, wherein the take-up pan comprises: left take-up (stock) pan and right take-up (stock) pan, the electromagnetic induction part includes:
the magnetic switch is connected with the pressure reader;
the first electromagnet group is arranged at the bottom of the right material receiving disc and is connected with the pressure reader and the electric controller;
and the second electromagnet group is arranged at the bottom of the left material receiving disc and is connected with the pressure reader and the electric controller.
4. The debris collection device of claim 3, wherein the magnetic switch comprises:
the shell is a glass tube shell, and the inside of the glass tube shell is vacuum or filled with inert gas;
a reed disposed within the housing, a first end of the reed being coupled to the pressure reader;
the normally closed sheet is arranged in the shell, the first end of the normally closed sheet is abutted against the second end of the reed, and the second end of the normally closed sheet is connected with the second electromagnet group;
the normally-open piece is arranged in the shell, a first end of the normally-open piece and a first end of the normally-closed piece are overlapped and provided with a section of gap, and a second end of the normally-open piece is connected with the second electromagnet group;
and the magnetic switch coil is wound on the shell clockwise, the first end of the magnetic switch coil is connected with the pressure reader, and the second end of the magnetic switch coil is connected with the electric controller.
5. The debris collection device of claim 4, wherein the first electromagnet assembly comprises:
the end face of the first iron core is fixedly arranged at the bottom of the right material receiving disc;
and the first coil is wound on the first iron core, and is connected with the pressure reader and the electric controller.
6. The debris collection device of claim 5, wherein the second electromagnet assembly comprises:
the end face of the second iron core is fixedly arranged at the bottom of the left material receiving disc;
the second coil is wound on the second iron core and connected with the second end of the normally-closed piece and the electric controller;
the end face of the third iron core is fixedly arranged at the bottom of the left material receiving disc;
and the third coil is wound on the third iron core, and is connected with the second end of the normally-open sheet and the electric controller.
7. The debris collection device of claim 6, wherein the first coil is wound around the first core clockwise, a first end of the first coil being connected to the pressure reader and a second end of the first coil being connected to the electronic controller; the second coil is clockwise wound on the second iron core, the first end of the second coil is connected with the second end of the normally closed piece, and the second end of the second coil is connected with the electric controller; and a third coil is wound on the third iron core in a counterclockwise manner, the first end of the third coil is connected with the second end of the normally-open piece, and the second end of the third coil is connected with the electric controller.
8. The debris collection device of claim 6, wherein the first coil is wound around the first core clockwise, a first end of the first coil being connected to the pressure reader and a second end of the first coil being connected to the electronic controller; the second coil is clockwise wound on the second iron core, the first end of the second coil is connected with the second end of the normally closed piece, and the second end of the second coil is connected with the electric controller; and a third coil is clockwise wound on the third iron core, the second end of the third coil is connected with the second end of the normally-open piece, and the first end of the third coil is connected with the electric controller.
9. The debris collection device of claim 6, wherein the first coil is wound around the first core counterclockwise, a first end of the first coil being connected to the pressure reader, and a second end of the first coil being connected to the electronic controller; the second coil is wound on the second iron core anticlockwise, a first end of the second coil is connected with a second end of the normally-closed piece, and a second end of the second coil is connected with the electric controller; and a third coil is clockwise wound on the third iron core, the first end of the third coil is connected with the second end of the normally-open piece, and the second end of the third coil is connected with the electric controller.
10. The debris collection device of claim 6, wherein the first coil is wound around the first core counterclockwise, a first end of the first coil being connected to the pressure reader, and a second end of the first coil being connected to the electronic controller; the second coil is wound on the second iron core anticlockwise, a first end of the second coil is connected with a second end of the normally-closed piece, and a second end of the second coil is connected with the electric controller; and a third coil is wound on the third iron core in a counterclockwise manner, the second end of the third coil is connected with the second end of the normally-open piece, and the first end of the third coil is connected with the electric controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201920555246.3U CN210465099U (en) | 2019-04-22 | 2019-04-22 | Residue collection device of concrete compression testing machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920555246.3U CN210465099U (en) | 2019-04-22 | 2019-04-22 | Residue collection device of concrete compression testing machine |
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| CN210465099U true CN210465099U (en) | 2020-05-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920555246.3U Withdrawn - After Issue CN210465099U (en) | 2019-04-22 | 2019-04-22 | Residue collection device of concrete compression testing machine |
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| Country | Link |
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| CN (1) | CN210465099U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109932238A (en) * | 2019-04-22 | 2019-06-25 | 广州建设工程质量安全检测中心有限公司 | A kind of crumbs collector of concrete anti-compression testing machine |
-
2019
- 2019-04-22 CN CN201920555246.3U patent/CN210465099U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109932238A (en) * | 2019-04-22 | 2019-06-25 | 广州建设工程质量安全检测中心有限公司 | A kind of crumbs collector of concrete anti-compression testing machine |
| CN109932238B (en) * | 2019-04-22 | 2024-08-27 | 广州建设工程质量安全检测中心有限公司 | Residue collection device of concrete compression testing machine |
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Address after: 510440 No. 1, 3 and 4, No. 833, Baiyun Avenue North, Baiyun District, Guangzhou City, Guangdong Province Patentee after: GUANGZHOU CONSTRUCTION QUALITY AND SAFETY TESTING CENTER Co.,Ltd. Country or region after: China Patentee after: Guangzhou Academy of Building Sciences Group Co.,Ltd. Patentee after: GUANGZHOU CONSTRUCTION ENGINEERING Co.,Ltd. Address before: 510440 No. 1, 3 and 4, No. 833, Baiyun Avenue North, Baiyun District, Guangzhou City, Guangdong Province Patentee before: GUANGZHOU CONSTRUCTION QUALITY AND SAFETY TESTING CENTER Co.,Ltd. Country or region before: China Patentee before: GUANGZHOU INSTITUTE OF BUILDING SCIENCE Co.,Ltd. Patentee before: GUANGZHOU CONSTRUCTION ENGINEERING Co.,Ltd. |
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Granted publication date: 20200505 Effective date of abandoning: 20240827 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20200505 Effective date of abandoning: 20240827 |
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| AV01 | Patent right actively abandoned |