CN108693051B - Concrete test block compaction device for experiments - Google Patents
Concrete test block compaction device for experiments Download PDFInfo
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- CN108693051B CN108693051B CN201810651422.3A CN201810651422A CN108693051B CN 108693051 B CN108693051 B CN 108693051B CN 201810651422 A CN201810651422 A CN 201810651422A CN 108693051 B CN108693051 B CN 108693051B
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- 238000002474 experimental method Methods 0.000 title claims abstract description 18
- 238000005056 compaction Methods 0.000 title claims description 6
- 229920001875 Ebonite Polymers 0.000 claims description 9
- 238000013016 damping Methods 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000005192 partition Methods 0.000 claims 6
- 238000010586 diagram Methods 0.000 description 4
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 238000004260 weight control Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/30—Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force, e.g. by falling weight
- G01N3/317—Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force, e.g. by falling weight generated by electromagnetic means
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention relates to a concrete test block compacting device for experiments, which comprises a base, wherein a vertical support column is arranged at the edge of the base, a motor box is arranged in the support column, a pulley block is arranged at the top end of the support column, a driving cable is driven by a motor in the motor box so as to drive the pulley block to move, a driving hammer is pulled to move up and down through the pulley block, and a pressure sensor is arranged in the base, so that stress data of the concrete test block can be detected after the driving hammer strikes the concrete test block.
Description
Technical Field
The invention relates to the field of civil experiment equipment, in particular to a concrete test block compacting device for experiments.
Background
The sample feeding of the civil engineering test is a main way for showing the quality of the civil engineering, the sample feeding of the concrete test block is an important component part of the civil engineering test, and meanwhile, the sample feeding of the concrete test block has the characteristics of strong timeliness, incapability of changing after a test report is reported and incapability of feeding. Therefore, a device capable of realizing rapid pre-detection is needed to help a sample feeder to pre-detect a concrete test block.
Disclosure of Invention
The technical problem to be solved by the invention is to provide the concrete test block compacting device for experiments, which can evaluate the strength of the concrete block, measure the stress condition of the concrete block through a plurality of pressure sensors arranged at the bottom in the process of experiments, and collect the data of the impact force conducted in the concrete block.
In order to solve the technical problems, the invention adopts the following technical scheme:
the utility model provides a concrete test block compaction device for experiments which characterized by: the lifting type elevator comprises a base, wherein a supporting column in the vertical direction is arranged at one side edge of the base, a motor box is inlaid in the central position of the supporting column, a buffer layer is arranged between the supporting column and the upper surface and the lower surface of the motor box, a horizontal plate is arranged at the upper end part of the supporting column, the horizontal plate extends towards the center direction of the base in the horizontal direction, a pulley block is fixedly arranged at the end part of the horizontal plate, a hook is fixedly arranged below the pulley block, a motor is arranged in the motor box, a driving rope is connected with an output shaft of the motor, the driving rope penetrates through the supporting column and is in transmission connection with the pulley block, the motor can control lifting of the hook through transmission of the driving rope and the pulley block, a vertical through hole is formed in the end edge of the horizontal plate, a positioning rod is arranged in the through hole, and the positioning rod can slide in the through hole in the vertical direction;
a hammer is hung below the hook, a counterweight groove is formed in the upper surface of the hammer, and a plurality of counterweight cakes are detachably arranged in the counterweight groove;
the base include the baffle that the level set up, the lower surface of baffle pass through backup pad fixed mounting on the bottom plate, the both sides of baffle all pass through pivot and rotatory board fixed connection, the pivot set up the central point of rotatory board put, the below of baffle be provided with two sets of electromagnetism ejection device, the ejector block of electromagnetism ejection device when compressed state, ejector block's terminal surface and rotatory inboard wall in close contact with, the top of baffle be provided with the bearing plate, the central point of bearing plate be provided with trigger switch, the edge evenly distributed of bearing plate have a plurality of pressure sensor, pressure sensor install the top at the flexible post of damping, the top of the flexible post of damping pass the bearing plate, the bottom fixed mounting of the flexible post of damping be in the upper surface of baffle, rotatory board be in when vertical state, pressure sensor and PC terminal signal connection, the ejector device with PC terminal signal output part signal connection of signal terminal, trigger switch and PC terminal signal input part signal connection's in the motor terminal signal input terminal, the signal connection of PC terminal.
The specific measures adopted for optimizing the invention further comprise:
the buffer layer is a hard rubber plate, the hard rubber plate is inlaid and fixed on the surfaces of the support column and the motor box, and a plurality of protruding blocks are arranged on the upper surface and the lower surface of the hard rubber plate.
Both sides of the support column are fixedly provided with inclined brackets, one end of each inclined bracket is fixedly arranged at the edge of the base, the other end of each inclined bracket is fixedly arranged on the side face of the support column, and the joint of each inclined bracket and the support column is positioned above the motor case.
The pulley block comprises a fixed pulley and a movable pulley, the fixed pulley is fixedly arranged on the upper surface of the horizontal plate, the movable pulley is arranged below the horizontal plate, and the driving rope sequentially bypasses the fixed pulley and the movable pulley to form a pulley driving mechanism.
The center position of the bottom surface of the counterweight groove is provided with a center column, the center position of the top end of the center column is fixedly provided with a fixed hook, the fixed hook is detachably connected with the hook, the counterweight groove is internally provided with a limiting rod, the limiting rod is parallel to the center column, and the diameter of the limiting rod is smaller than that of the center column.
The center position of the counterweight cake is provided with a first through hole, the counterweight cake is also provided with a second through hole, the diameters of the first through hole and the center column are the same, the positions of the first through hole and the center column are corresponding to each other, and the diameters of the second through hole and the limiting rod are the same, and the positions of the second through hole and the limiting rod are corresponding to each other.
The top surface and the bottom surface of the rotating plate are both provided with ball bearings, and balls capable of freely rotating are arranged in the ball bearings.
The side of locating lever be provided with the scale mark, scale mark numerical value from bottom to top increase in proper order.
The bottom surface of the base is provided with a leveling device.
The motor box is connected with a detachable power line, and an external power supply provides electric energy for the motor and the electromagnetic ejection device through the power line.
The concrete test block compaction device for experiments has the beneficial effects that:
first, this device can adjust the distance between drive hammer and the concrete test block, measures through the locating lever.
And secondly, detachably installing a counterweight cake in the hammer, adjusting the weight of the hammer, and further adjusting the strength of the hammer for striking the concrete test block.
Third, the upper and lower surfaces of motor case all are provided with the buffer layer, have realized the protection to motor case inner structure, through setting up oblique support simultaneously, have guaranteed the intensity of motor case top support column.
Fourth, the PC end can control the motor to lift the height of the hammer, and then the hammer weight control hits the dynamics, places the concrete test block on trigger switch, and when the concrete test block received the striking, trigger switch triggered, triggers electromagnetic ejection device through the PC end, promotes the backup pad through the excitation ejection piece and takes place to rotate, and pressure sensor hugs closely the lower surface of concrete test block to follow concrete test block and move down together, can pass through the change of measuring concrete test block to pressure sensor effort, and then the concrete test block atress data after receiving the striking.
Drawings
FIG. 1 is a schematic diagram of an experimental concrete block compacting apparatus according to the present invention.
Fig. 2 is a schematic structural diagram of a hammer for an experimental concrete block compacting device according to the present invention.
FIG. 3 is a schematic structural diagram of a counterweight cake of an experimental concrete block compacting device according to the invention.
FIG. 4 is a schematic structural diagram of a base of an experimental concrete block compacting apparatus according to the present invention.
Description of the drawings: 1, a base; 2, supporting columns; 3, a motor case; 4, a buffer layer; 5, an inclined bracket; 6, a power line; 7, a horizontal plate; 8, a fixed pulley; 9, a transmission rope; 10, a movable pulley; 11, hooking; 12, through holes; 13, positioning rods; 14, hammering; 15, a counterweight groove; 16, a center column; 17, a limiting rod; 18, fixing hooks; 19, weighting cake; 20, a first through hole; 21, a second through hole; 22, a separator; 23, a support plate; 24, a rotating shaft; 25, rotating the plate; 26, an electromagnetic ejection device; 27, triggering a switch; 28, pressure sensor.
Detailed Description
The invention is further described below with reference to the drawings and specific preferred embodiments.
The utility model provides a concrete test block compaction device for experiments which characterized by: the lifting type elevator comprises a base 1, wherein a supporting column 2 in the vertical direction is arranged at one side edge of the base 1, a motor box 3 is inlaid in the central position of the supporting column 2, a buffer layer 4 is arranged between the supporting column 2 and the upper surface and the lower surface of the motor box 3, a horizontal plate 7 is arranged at the upper end part of the supporting column 2, the horizontal plate 7 extends towards the central direction of the base 1 in the horizontal direction, a pulley block is fixedly arranged at the end part of the horizontal plate 7, a hook 11 is fixedly arranged below the pulley block, a motor is arranged in the motor box 3, a driving rope 9 is connected with an output shaft of the motor in a driving way, the driving rope 9 penetrates through the supporting column 2 and is in driving connection with the pulley block, the motor can control lifting of the hook 11 through the driving rope and the pulley block, a vertical through hole 12 is arranged at the end edge of the horizontal plate 7, a positioning rod 13 is arranged in the through hole 12, and the positioning rod 13 can slide in the vertical direction in the through hole 12;
a hammer 14 is hung below the hook 11, a counterweight groove 15 is formed in the upper surface of the hammer 14, and a plurality of counterweight cakes 19 are detachably arranged in the counterweight groove 15;
the base 1 include the baffle 22 that the level set up, the lower surface of baffle 22 pass through backup pad 23 fixed mounting on the bottom plate, the both sides of baffle 22 all pass through pivot 24 and rotatory board 25 fixed connection, pivot 24 set up the central point of rotatory board 25 put, the below of baffle 22 be provided with two sets of electromagnetism ejection device 26, the ejector pad of electromagnetism ejection device 26 in the compressed state, the terminal surface and the rotatory board 25 inner wall in close contact of ejector pad's terminal surface, the top of baffle 22 be provided with the bearing board, the central point of bearing board be provided with trigger switch 27, the edge evenly distributed of bearing board have a plurality of pressure sensor 28, pressure sensor 28 install the top at the flexible post of damping, the top of the flexible post of damping pass the bearing board, the bottom fixed mounting of the flexible post of damping be in the upper surface of baffle 22, rotatory board 25 be in when vertical state, can support the board be in the horizontal state, pressure sensor 28 and PC terminal signal connection, electromagnetic device 26 and the terminal signal connection of the terminal connection of motor terminal 26 and the signal connection of PC terminal signal connection's signal connection of the signal output terminal part and PC terminal part, PC terminal connection signal connection.
In this embodiment, buffer layer 4 is hard rubber board, hard rubber board inlay and fix at support column 2 and motor case 3 surface, hard rubber board upper and lower surface all be provided with a plurality of lug.
In this embodiment, both sides of the support column 2 are fixedly provided with inclined brackets 5, one end of each inclined bracket 5 is fixedly arranged at the edge of the base 1, the other end of each inclined bracket 5 is fixedly arranged on the side surface of the support column 2, and the connection part of each inclined bracket 5 and the support column 2 is positioned above the motor case 3.
In this embodiment, the pulley block includes fixed pulley 8 and movable pulley 10, fixed pulley 8 fixed mounting at horizontal plate 7 upper surface, movable pulley 10 set up in horizontal plate 7 below, driving cable 9 walk around fixed pulley 8 and movable pulley 10 in proper order and form pulley drive mechanism.
In this embodiment, a central column 16 is disposed at the central position of the bottom of the counterweight groove 15, a fixing hook 18 is fixedly mounted at the central position of the top end of the central column 16, the fixing hook 18 is detachably connected with the hook 11, a limiting rod 17 is further mounted in the counterweight groove 15, the limiting rod 17 is parallel to the central column 16, and the diameter of the limiting rod 17 is smaller than that of the central column 16.
In this embodiment, a first through hole 20 is formed in the center of the weight cake 19, a second through hole 21 is further formed in the weight cake 19, the diameters of the first through hole 20 and the center column 16 are the same, the positions of the first through hole and the center column 16 are corresponding to each other, and the diameters of the second through hole 21 and the limit rod 17 are the same, and the positions of the second through hole and the limit rod are corresponding to each other.
In this embodiment, the top and bottom surfaces of the spin plate 25 are provided with ball bearings, and balls capable of freely rotating are mounted in the ball bearings.
In this embodiment, the side surface of the positioning rod 13 is provided with scale marks, and the values of the scale marks are sequentially increased from bottom to top.
In this embodiment, the bottom surface of the base 1 is provided with a leveling device.
In this embodiment, the motor case 3 is connected with a detachable power cord 6, and an external power supply provides electric energy for the motor and the electromagnetic ejection device 26 through the power cord 6.
The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above examples, and all technical solutions belonging to the concept of the present invention belong to the protection scope of the present invention. It should be noted that modifications and adaptations to the invention without departing from the principles thereof are intended to be within the scope of the invention as set forth in the following claims.
Claims (8)
1. The utility model provides a concrete test block compaction device for experiments which characterized by: the lifting type electric power transmission device comprises a base (1), a supporting column (2) in the vertical direction is arranged at one side edge of the base (1), a motor box (3) is inlaid at the central position of the supporting column (2), a buffer layer (4) is arranged between the supporting column (2) and the upper surface and the lower surface of the motor box (3), a horizontal plate (7) is arranged at the upper end part of the supporting column (2), a pulley block is fixedly arranged at the end part of the horizontal plate (7) and extends towards the central direction of the base (1), a hook (11) is fixedly arranged below the pulley block, a motor is arranged in the motor box (3), a driving rope (9) is connected with the output shaft of the motor in a driving way, the driving rope (9) penetrates through the supporting column (2) and is in driving connection with the pulley block, the motor can control lifting of the hook (11) through the driving rope and the pulley block, a vertical through hole (12) is arranged at the end part edge of the horizontal plate (7), a positioning rod (13) is arranged in the through hole (12), and the positioning rod (13) can slide in the vertical through hole (13);
a hammer (14) is hung below the hook (11), a counterweight groove (15) is formed in the upper surface of the hammer (14), and a plurality of counterweight cakes (19) are detachably arranged in the counterweight groove (15);
the base (1) comprises a partition board (22) which is horizontally arranged, the lower surface of the partition board (22) is fixedly arranged on the bottom board through a supporting board (23), two sides of the partition board (22) are fixedly connected with a rotating board (25) through rotating shafts (24), the rotating shafts (24) are arranged at the central positions of the rotating board (25), two groups of electromagnetic ejection devices (26) are arranged below the partition board (22), when the ejection blocks of the electromagnetic ejection devices (26) are in a compressed state, the end surfaces of the ejection blocks are tightly contacted with the inner wall of the rotating board (25), a bearing board is arranged above the partition board (22), a trigger switch (27) is arranged at the central position of the bearing board, a plurality of pressure sensors (28) are uniformly distributed at the edges of the bearing board, the pressure sensors (28) are arranged at the top ends of damping telescopic columns, the tops of the damping telescopic columns penetrate through the bearing board, the bottoms of the damping telescopic columns are fixedly arranged on the upper surfaces of the partition board (22), when the rotating board (25) is in a vertical state, the bearing board (25) is in a signal connection state, the signal connection with a PC (26) can be realized, the signal connection terminal is realized, and the signal connection is realized with the PC signal connection terminal, the motor control switch in the motor box (3) is in signal connection with the signal output end of the PC terminal;
the two sides of the support column (2) are fixedly provided with inclined brackets (5), one end of each inclined bracket (5) is fixedly arranged at the edge of the base (1), the other end of each inclined bracket is fixedly arranged on the side surface of the support column (2), and the joint of each inclined bracket (5) and the support column (2) is positioned above the motor case (3);
the top surface and the bottom surface of the rotating plate (25) are respectively provided with a ball bearing, and balls capable of freely rotating are arranged in the ball bearings.
2. The concrete test block compacting apparatus for experiments of claim 1, wherein: the buffer layer (4) is a hard rubber plate, the hard rubber plate is inlaid and fixed on the surfaces of the support column (2) and the motor box (3), and a plurality of protruding blocks are arranged on the upper surface and the lower surface of the hard rubber plate.
3. The concrete test block compacting apparatus for experiments of claim 1, wherein: the pulley block comprises a fixed pulley (8) and a movable pulley (10), the fixed pulley (8) is fixedly arranged on the upper surface of the horizontal plate (7), the movable pulley (10) is arranged below the horizontal plate (7), and the driving rope (9) sequentially bypasses the fixed pulley (8) and the movable pulley (10) to form a pulley driving mechanism.
4. The concrete test block compacting apparatus for experiments of claim 1, wherein: the center position of the tank bottom surface of the counterweight tank (15) is provided with a center column (16), the top center position of the center column (16) is fixedly provided with a fixed hook (18), the fixed hook (18) is detachably connected with the hook (11), the counterweight tank (15) is internally provided with a limiting rod (17), the limiting rod (17) is parallel to the center column (16), and the diameter of the limiting rod (17) is smaller than that of the center column (16).
5. The concrete test block compacting apparatus for experiments of claim 4, wherein: the center position of the counterweight cake (19) is provided with a first through hole (20), the counterweight cake (19) is also provided with a second through hole (21), the diameters of the first through hole (20) and the center column (16) are the same, the positions of the first through hole and the center column are corresponding to each other, and the diameters of the second through hole (21) and the limiting rod (17) are the same, and the positions of the second through hole and the limiting rod are corresponding to each other.
6. The concrete test block compacting apparatus for experiments of claim 1, wherein: the side of locating lever (13) be provided with the scale mark, scale mark numerical value from bottom to top increases in proper order.
7. The concrete test block compacting apparatus for experiments of claim 1, wherein: the bottom surface of the base (1) is provided with a leveling device.
8. The concrete test block compacting apparatus for experiments of claim 1, wherein: the motor box (3) is connected with a detachable power line (6), and an external power supply provides electric energy for the motor and the electromagnetic ejection device (26) through the power line (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810651422.3A CN108693051B (en) | 2018-06-22 | 2018-06-22 | Concrete test block compaction device for experiments |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810651422.3A CN108693051B (en) | 2018-06-22 | 2018-06-22 | Concrete test block compaction device for experiments |
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| CN108693051A CN108693051A (en) | 2018-10-23 |
| CN108693051B true CN108693051B (en) | 2024-03-22 |
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| CN108693051A (en) | 2018-10-23 |
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