CN210400974U - Electric compaction instrument based on electromagnet - Google Patents
Electric compaction instrument based on electromagnet Download PDFInfo
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- CN210400974U CN210400974U CN201920723072.7U CN201920723072U CN210400974U CN 210400974 U CN210400974 U CN 210400974U CN 201920723072 U CN201920723072 U CN 201920723072U CN 210400974 U CN210400974 U CN 210400974U
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- compaction
- electromagnet
- guide rail
- fixedly connected
- instrument based
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Abstract
The utility model discloses an electric compaction instrument based on an electromagnet, which comprises a base, wherein the top of the base is rotatably connected with a turntable, and a driving device of the turntable is connected with a controller through a wire; one side of the base is fixedly connected with a support column, the side wall of the support column is fixedly connected with a guide rail through a connecting block, and a compaction hammer moving along the direction of the guide rail is arranged in the guide rail; the top of the supporting column is fixedly connected with a top plate, the middle of the top plate is provided with an adjusting column which penetrates through the top of the top plate and the top of the guide rail, and the middle of the adjusting column is fixedly connected with the top plate through a fastener; the bottom of the adjusting column is fixedly connected with an electromagnet, and the electromagnet is connected with a controller through a lead. The utility model solves the problem that the hammer of the original chain type electric compaction instrument can not be lifted effectively; the utility model discloses it is more stable to carry the hammer, and control is hit real merit more accurate, easy operation, safety.
Description
Technical Field
The utility model relates to a civil engineering experimental facilities's technical field, concretely relates to electronic real appearance that hits based on electro-magnet.
Background
The JZ-2D type electric compaction instrument is suitable for the design of road, railway, water conservancy and building foundation soil filling engineering, and measures the relation between the water content and the dry density of soil by a standard compaction method under a certain compaction power so as to determine the optimal water content and the corresponding maximum dry density of the soil. Thereby knowing the compaction performance of the soil as the basis of the compaction control of the foundation of the construction site.
The existing JZ-2D type electric compaction device lifts a compaction hammer through a chain, so that the conditions of hammer losing and hammer lifting can occur, and sometimes the lifting height of the compaction hammer cannot reach a specified position, so that compaction work is influenced; the compaction work does not meet the requirements, and finally, the accuracy and precision of experimental data are insufficient. In addition, the mechanical operation is pulled up by the rotation of the chain, and the chain is easy to break, so that potential safety hazards exist.
Disclosure of Invention
Aiming at the technical problem, the technical scheme provides the electric compaction instrument based on the electromagnet, and the problem can be effectively solved.
The utility model discloses a following technical scheme realizes:
an electric compaction instrument based on an electromagnet comprises a base, wherein a turntable is rotatably connected to the top surface of the base, and a driving device of the turntable is connected with a controller through a wire; one side of the base is fixedly connected with a support column, the side wall of the support column is fixedly connected with a guide rail through a connecting block, and a compaction hammer moving along the direction of the guide rail is arranged in the guide rail; the top of the supporting column is fixedly connected with a top plate, and the middle of the top plate is provided with an adjusting column which penetrates through the top of the top plate and the top of the guide rail; the middle part of the adjusting column is fixedly connected with the top plate through a fastener, the bottom of the adjusting column is fixedly connected with an electromagnet, and the electromagnet is connected with a controller through a lead.
Furthermore, the height of the electromagnet can be adjusted up and down in the guide rail through the change of the position of the adjusting column; the height of the electromagnet is different, so that the compaction hammer falls to generate compaction work with different MPa.
Furthermore, the compaction hammer is provided with a balancing weight, so that compaction processes with various weights can be simulated; the counter weight of the compaction hammer can be selected according to the compaction power of MPa with different requirements.
Furthermore, the controller is provided with a plurality of gears for controlling the magnetic force of the electromagnet, and different gears output different currents to control the electromagnet to release electromagnetic attraction with different torsion. The distance between the electromagnet and the compaction hammer is different due to the difference of the heights of the electromagnets; different distances require different electromagnetic attraction forces for picking up the compaction hammer. In addition, the compaction hammers are provided with counter weights with different weights, so that the compaction hammers have different weights; different electromagnetic attraction forces are required for sucking up the compaction hammer due to different gravity.
Furthermore, the connecting block include connecting block and lower connecting block, upper and lower connecting block pass through fastener respectively with the top and the bottom fixed connection of guide rail.
Further, go up the connecting block and fixedly connected with pillar between the connecting block down, be provided with the graduation apparatus on the lateral wall of pillar one side.
Furthermore, the controller is provided with a plurality of gears for adjusting the rotating speed of the rotating disc, and the rotating angles of the rotating disc are controlled to be different by different gears.
Furthermore, the turntable is provided with a fixing hole for installing the compaction cylinder.
Furthermore, the height of the compaction hammer is greater than the distance from the bottom of the guide rail to the top of the compaction cylinder; is smaller than the distance between the bottom of the guide rail and the top surface of the turntable.
Furthermore, the metal parts of the electric compaction device, except the compaction hammer, need to be demagnetized.
Furthermore, a buffer device is arranged between the electromagnet and the adjusting column.
Furthermore, the buffer device adopts a plurality of buffer springs.
Advantageous effects
The utility model provides an electronic hit real appearance based on electro-magnet compares with prior art, and it has following beneficial effect:
1. when the coil is electrified, the armature and the impact hammer of the electromagnet are magnetized to form block magnets with opposite polarities, and electromagnetic attraction is generated between the block magnets. When the electromagnetic attraction force is larger than the gravity of the compaction hammer, the compaction hammer starts to move towards the direction of the electromagnet. When the current in the coil is smaller than a certain value or the power supply is interrupted, the electromagnetic attraction force is smaller than the gravity of the compaction hammer, and the compaction hammer falls down to compact the test block under the action of the gravity to meet the test requirement. The rise and fall of the compaction hammer are controlled by the electromagnet and the track to replace the mechanical operation of chain rotation; the problem that the hammer is lost due to chain breakage of the original chain type electric compaction instrument is solved; the problem that the hammer cannot be lifted after the chain is broken by the chain type electric compaction instrument is effectively solved; the utility model discloses it is more stable to carry the hammer, and control is hit real merit more accurate, easy operation, safety.
2. The height of the electromagnet can be adjusted and the weight balancing block of the compaction hammer is arranged, so that the compaction hammer falls to generate compaction work with different MPa. The experimenter can hit the real height of attacking the regulation electro-magnet or hit the balancing weight of real hammer according to the difference of experiment demand. And the proper electromagnetic attraction in different gears of the controller is selected according to requirements. The cooperation of the three makes the compaction instrument provide accurate compaction work, reduces error experimental data, increases the accuracy of experimental data.
3. The adjusting column and the fastening piece are arranged in a matched manner, so that the adjusting column can be adjusted up and down; in addition, the setting of upper and lower fastener can let the fixed more stable of regulation post.
4. The upper connecting block, the lower connecting block and the support between the connecting blocks are arranged, so that the connection of the guide rails is more stable; the arrangement of a dial gauge on one side of the support is convenient for the height adjustment of the electromagnet.
5. The arrangement of the buffer device can slow down the influence of the compaction hammer on the adjusting column when the compaction hammer impacts the electromagnet.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic view of the connection state of the middle rotary table and the tamping drum of the present invention.
Fig. 3 is a schematic sectional view showing a state where the adjustment post is connected to the top plate.
Reference symbols in the drawings: 1-base, 2-rotary table, 21-fixed hole, 3-compaction cylinder, 31-connecting sheet, 32-threaded rod, 33-claw nut, 4-supporting column, 41-connecting block, 42-supporting column, 421-dial gauge, 5-guide rail, 6-compaction hammer, 7-top plate, 8-adjusting column, 81-fastener, 811-fastening nut, 812-elastic gasket, 9-electromagnet, 91-shell, 92-buckle, 93-F type sucker electromagnet, 94-buffer layer, 941-buffer spring and 10-lead.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. The described embodiments are only some, but not all embodiments of the invention. Under the prerequisite that does not deviate from the design concept of the utility model, the ordinary person in the art should fall into the protection scope of the utility model to the various changes and improvements that the technical scheme of the utility model made.
Example 1:
as shown in fig. 1, an electric compaction apparatus based on an electromagnet comprises a base 1, wherein a turntable 2 is rotatably connected to the top surface of the base 1, and a driving device of the turntable 2 is connected with a controller through a wire 10; the controller is provided with a plurality of gears for adjusting the rotating speed of the rotating disc, and the rotating angles of the rotating disc are controlled to be different by different gears. The connection of the turntable and the driver of the turntable, and the connection of the driver of the turntable and the controller are conventional in the field. This example did not significantly improve it.
As shown in fig. 2, the turntable 2 is provided with a fixing hole 21 for mounting the compaction cylinder 3; the inner wall of the fixing hole 21 is provided with a screw thread. When the compaction cylinder 3 is installed, the threaded rod 32 on the compaction cylinder 3 penetrates through the connecting piece 31 of the compaction cylinder 3 and is inserted into the fixing hole 21 and fixedly connected with the connecting piece through threads, and the threaded rod 32 is fixedly connected with the claw nut 33 through threads on the upper side of the connecting piece 31; thereby fixing the compaction cylinder 3 to the turntable 2.
One side of the base 1 is fixedly connected with a support column 4, and the support column 4 and the base 1 are integrally formed; the side wall of the inner side of the support column 4 is fixedly connected with a guide rail 5 through a connecting block 41; the connecting block 41 is made of angle steel and comprises an upper connecting block 41 and a lower connecting block 41; one side edge of the upper and lower connecting blocks 41 is fixed with the supporting column 4 through a fastener or welding; the other side of the upper and lower connecting blocks 41 is fixedly connected with the top and bottom of the guide rail 5 through fasteners, respectively. A pillar 42 is fixedly connected between the upper connecting block 41 and the lower connecting block 41 in a welding manner, and a scale 421 is arranged on the side wall of one side of the pillar 42.
A compaction hammer 6 moving along the direction of the guide rail 5 is arranged in the guide rail 5; the height of the compaction hammer 6 is larger than the distance between the bottom of the guide rail 5 and the top of the compaction cylinder 3; is smaller than the distance between the bottom of the guide rail 5 and the top surface of the turntable 2.
As shown in fig. 3, the top of the supporting column 4 is fixedly connected with a top plate 7, and the middle part of the top plate 7 is provided with an adjusting column 8 which penetrates through the top of the top plate 7 and the top of the guide rail 5; the middle part of the adjusting column 8 is fixedly connected with the top plate 7 through a fastener 81, and the fastener 81 comprises an upper fastener 81 and a lower fastener 81; the upper and lower fasteners 81 are fixedly connected with the adjusting column 8 through threads, so that the adjusting column 8 can move up and down relative to the top plate 7 and the top of the guide rail 5. In the present embodiment, the upper and lower fastening members 81 are fastening nuts 811, and elastic washers 812 are attached to the fastening nuts 811 on the side closer to the top plate 7.
The bottom of the adjusting column 8 is fixedly connected with an electromagnet 9, the electromagnet 9 comprises a shell 91 which is arranged outside and fixedly connected with the adjusting column 8, and an F-shaped sucker electromagnet 93 is connected in the shell 91 through a buckle 92; a buffer layer 94 is fixedly connected between the F-shaped sucker electromagnet 93 and the top wall of the outer shell 91 through welding or fasteners, and the buffer layer 94 is mainly composed of a buffer spring 941.
The iron core of the F-shaped sucker electromagnet 93 is connected with a controller through a lead 10; the centers of the shell 91, the adjusting column 8 and the top plate 7 are provided with hollow grooves for wiring, and the position from the outer side wall of the middle part of the adjusting column 8 to the central groove is provided with a gap for facilitating wiring and wiring of the wire 10.
The height of the electromagnet 9 can be adjusted up and down in the guide rail 5 by changing the position of the adjusting column 8; the height of the electromagnet 9 is different, so that the compaction hammer 6 falls to generate compaction work with different MPa. The compaction hammer 6 is provided with a balancing weight, so that compaction processes with various weights can be simulated; the counter weight of the compaction hammer 6 can be selected according to the compaction work of MPa with different requirements. The controller is provided with a plurality of gears for controlling the magnetic force of the electromagnet, different gears output different currents, and the electromagnet 9 is controlled to release electromagnetic attraction force with different torsion. The distance between the electromagnet 9 and the compaction hammer 6 is different due to the difference of the heights of the electromagnets 9; different distances require different electromagnetic attraction forces for picking up the compaction hammer 6. In addition, the compaction hammers 6 are provided with counter weights with different weights, so that the weights of the compaction hammers 6 are different; different electromagnetic attraction forces are required for attracting the compaction hammer 6 due to different gravity forces.
In this embodiment, the metal parts of the electric compaction device, except the compaction hammer, are all demagnetized. The demagnetization treatment adopts a conventional metal demagnetization treatment mode to demagnetize the metal, and the technical scheme does not improve the metal demagnetization mode.
The working principle is as follows: before the experiment, firstly, selecting the height of a balancing weight or an electromagnet of a compaction hammer according to the experiment requirement, and adjusting the height of the electromagnet after installing the selected compaction hammer into a guide rail; uniformly filling soil to be tested in the compaction cylinder, and fixing the compaction cylinder on the rotary table through a threaded rod and a claw nut; opening a proper gear on the controller for controlling the rotating speed of the turntable and controlling the electromagnet to release the electromagnetic attraction according to the experimental requirements; when the coil is electrified, the armature and the impact hammer of the electromagnet are magnetized to form block magnets with opposite polarities, and electromagnetic attraction is generated between the block magnets. When the electromagnetic attraction force is larger than the gravity of the compaction hammer, the compaction hammer starts to move towards the direction of the electromagnet. When the current in the coil is smaller than a certain value or the power supply is interrupted, the electromagnetic attraction force is smaller than the gravity of the compaction hammer, and the compaction hammer falls down to compact the test block under the action of the gravity to meet the test requirement. In the experimental process, the revolution of the rotary table and the sagging speed of the compaction hammer are controlled through software in the controller, so that the revolution of the rotary table and the sagging speed of the compaction hammer are consistent. The software is the prior art in the field, and the technical scheme does not make beneficial improvement on the software.
In the embodiment, the F-type sucker electromagnet is an electromagnet with the model number of LX-325F; the controller of the compaction instrument is a current control relay/current monitoring relay series model MD7IUV2 controller of Shanghai Signal Lang electric company Limited.
Claims (10)
1. An electric compaction instrument based on an electromagnet comprises a base (1), wherein a turntable (2) is rotatably connected to the top surface of the base (1), and a driving device of the turntable (2) is connected with a controller through a lead; one side of the base (1) is fixedly connected with a supporting column (4), the side wall of the supporting column (4) is fixedly connected with a guide rail (5) through a connecting block (41), and a compaction hammer (6) moving along the direction of the guide rail (5) is arranged in the guide rail (5); the method is characterized in that: the top of the supporting column (4) is fixedly connected with a top plate (7), and the middle part of the top plate (7) is provided with an adjusting column (8) penetrating through the top of the top plate (7) and the top of the guide rail (5); the middle part of the adjusting column (8) is fixedly connected with the top plate (7) through a fastener, the bottom of the adjusting column (8) is fixedly connected with an electromagnet (9), and the electromagnet (9) is connected with a controller through a lead (10).
2. An electric compaction instrument based on electromagnets according to claim 1, wherein: the height of the electromagnet (9) can be adjusted up and down in the guide rail (5) through the change of the position of the adjusting column (8); the height of the electromagnet (9) is different, so that the compaction hammer (6) falls to generate compaction work with different MPa.
3. An electric compaction instrument based on electromagnets according to claim 2, wherein: the controller is provided with a plurality of gears for controlling the magnetic force of the electromagnet, different gears output different currents, and the electromagnet (9) is controlled to release electromagnetic attraction force with different torsion.
4. An electric compaction instrument based on electromagnets according to claim 1, wherein: the connecting block (41) comprises an upper connecting block (41) and a lower connecting block (41), and the upper and lower connecting blocks (41) are fixedly connected with the top and the bottom of the guide rail (5) through fasteners respectively.
5. An electric compaction instrument based on electromagnets according to claim 4, wherein: go up connecting block (41) and down fixedly connected with pillar (42) between connecting block (41), be provided with graduation apparatus (421) on the lateral wall of pillar (42) one side.
6. An electric compaction instrument based on electromagnets according to claim 1, wherein: the controller is provided with a plurality of gears for adjusting the rotating speed of the rotating disc (2), and the rotating angles of the rotating disc (2) are controlled to be different by different gears.
7. An electric compaction instrument based on electromagnets according to claim 1, wherein: the turntable (2) is provided with a fixing hole (21) for installing the compaction cylinder (3).
8. An electric compaction instrument based on electromagnets according to claim 7, wherein: the height of the compaction hammer (6) is greater than the distance from the bottom of the guide rail (5) to the top of the compaction cylinder (3); is smaller than the distance between the bottom of the guide rail (5) and the top surface of the turntable (2).
9. An electric compaction instrument based on electromagnets according to claim 1, wherein: the metal parts of the electric compaction device, except the compaction hammer, need to be demagnetized.
10. An electric compaction instrument based on electromagnets according to claim 1, wherein: a buffer layer (94) is arranged between the electromagnet (9) and the adjusting column (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920723072.7U CN210400974U (en) | 2019-05-20 | 2019-05-20 | Electric compaction instrument based on electromagnet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920723072.7U CN210400974U (en) | 2019-05-20 | 2019-05-20 | Electric compaction instrument based on electromagnet |
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| Publication Number | Publication Date |
|---|---|
| CN210400974U true CN210400974U (en) | 2020-04-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920723072.7U Expired - Fee Related CN210400974U (en) | 2019-05-20 | 2019-05-20 | Electric compaction instrument based on electromagnet |
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| CN (1) | CN210400974U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112323766A (en) * | 2020-11-06 | 2021-02-05 | 安庆市红雨农业发展有限公司 | Battering ram with good compaction effect |
-
2019
- 2019-05-20 CN CN201920723072.7U patent/CN210400974U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112323766A (en) * | 2020-11-06 | 2021-02-05 | 安庆市红雨农业发展有限公司 | Battering ram with good compaction effect |
| CN112323766B (en) * | 2020-11-06 | 2022-03-25 | 安庆市红雨农业发展有限公司 | Battering ram with good compaction effect |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210112 Address after: 223005 Huaian 1 Jiangsu economic and Technological Development Zone Patentee after: HUAIYIN INSTITUTE OF TECHNOLOGY Patentee after: NANJING University OF TECHNOLOGY Address before: 223005 Huaian 1 Jiangsu economic and Technological Development Zone Patentee before: HUAIYIN INSTITUTE OF TECHNOLOGY |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200424 |