CN218350052U - Vibration compaction device for detecting relative density of sand - Google Patents

Abstract

The utility model relates to the technical field of density instruments and equipment, in particular to a vibration compaction device for detecting the relative density of sand, which comprises an upper working plate and a lower working plate which are connected through a fixed box, and a sand density barrel is arranged on the lower working plate; the driving hammer sliding rod is vertically arranged on the side surface of the mounting plate and drives the driving hammer to enter the sand density barrel to move up and down; the first power device is connected with the hammer sliding rod; the vibrating fork comprises two fork rods and a fork handle, and the fork handle is connected with the second power device; the bottom of the fixed box is rotatably provided with a vibration fork supporting rod, the vibration fork supporting rod is provided with a through hole, the fork handle penetrates through the through hole and then is fixed with the vibration fork supporting rod, and the fork rod of the vibration fork horizontally extends out of the fixed box to clamp the sand density barrel between the fork rods. This device uses two cylinder location dowels to guarantee the straightness that hangs down of hammering, uses first power device and second power device to reduce personnel's input, has guaranteed stable vibration and has hit real frequency, guarantees better hitting real effect.

Description

Vibration compaction device for detecting relative density of sand

Technical Field

The utility model relates to a density instrument equipment technical field, concretely relates to real device is hit in vibration that detects sand relative density.

Background

The relative compactness test is a very important test of the inviscid soil, and the maximum dry density measurement method is a vibration hammering method. The existing vibration compaction apparatus mainly comprises a compaction cylinder, a compaction hammer, a sleeve and other parts. Need keep the hammer stem perpendicular hitting the in-process of reality, still need vibrate with the vibration fork simultaneously, the operator can not use the vibration fork simultaneously under the circumstances that keeps the straightness that hangs down, needs many people's joint work, and operating strength is big.

For example, chinese patent No. ZL202021606241.8 "a relative density appearance of measuring sand" discloses a scheme, including the densimeter main part, the densimeter main part is installed on the base, install a plurality of articulated seats in the densimeter main part, articulated seat is in on same circumference, adjusts the height of indent through the internal thread pipe on the articulated seat of rotating, ensures that at least part hammer is located the compaction section of thick bamboo all the time, and the hammer can prevent to hit the material in the compaction section of thick bamboo and spill by the impact owing to the blockking of hammer in the process of beating building material, still takes the manpower to operate hammer and vibration fork in this application, has the unable stable vibration and compaction frequency that keep in many people's operation, influences the problem of experimental effect.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a real device is hit in vibration that detects sand relative density, solve in the process of the test need many people to operate drive hammer and vibration fork respectively, and manual operation can change at the in-process frequency of vibration hammering, the poor problem of experimental effect.

For solving the technical problem, the utility model discloses the technical scheme who adopts does: a vibration compaction device for detecting relative density of sand comprises an operation platform, a compaction device and a compaction device, wherein the operation platform is I-shaped and comprises an upper working plate and a lower working plate which are parallel to each other, the upper working plate and the lower working plate are connected through a hollow fixed box, and a mounting plate is vertically arranged on the upper working plate;

the sand density barrel is fixedly arranged on the upper surface of the lower working plate;

the hammering device comprises a hammer sliding rod, a hammer and a first power device, wherein the hammer and the first power device are arranged at the tail end of the hammer sliding rod; the first power device is arranged on the mounting plate and is connected with the hammer sliding rod;

the vibrating device comprises a second power device and a vibrating fork which are arranged in the fixed box, the vibrating fork comprises two fork rods and a fork handle, and the fork handle is connected with the second power device; the bottom of the fixed box is rotatably provided with a vibration fork supporting rod through a bearing, the vibration fork supporting rod is provided with a second through hole, the fork handle penetrates through the second through hole and then is fixed with the vibration fork supporting rod through a first screw, and two fork rods of the vibration fork horizontally extend out of the fixed box to clamp the sand density barrel between the fork rods.

As a further technical scheme of the above technical scheme, the hammer sliding rod is provided with a through groove along the length direction, and two cylindrical positioning pins are arranged in the through groove along the vertical direction.

As a further technical scheme of the above technical scheme, the first power device includes a motor, a rotating disc and a transmission rod, the motor is disposed on a side wall of the mounting plate opposite to the hammer sliding rod, after the output shaft vertically penetrates through the mounting plate, the rotating disc is fixedly sleeved at the tail end, and the transmission rod is fixedly disposed on the circumference of the rotating disc along the diameter direction; and the side wall of the hammer sliding rod is vertically provided with a stressed end, and the lower surface of the stressed end is horizontal.

As a further technical scheme of the technical scheme, the stressed end is a cuboid.

As a further technical scheme of the technical scheme, the longitudinal section of the stressed end is a right-angled triangle, and the contact surface of the stressed end and the transmission rod is horizontal.

As a further technical solution of the above technical solution, the second power device includes a U-shaped electromagnet, an armature, a second screw, and a spring plate; the U-shaped electromagnet is horizontally arranged on one side of the fork handle, and the opening of the U-shaped electromagnet faces the fork handle; the armature is fixedly arranged at the lower end of the fork handle along the direction of the fork handle, and the armature is arranged corresponding to one end of the U-shaped electromagnet; the second screw is arranged on the other side of the fork handle, the end of the second screw is in contact with the armature, and current passes through the second screw, the armature and the U-shaped electromagnet in sequence and then forms a passage with a power supply and a switch which are arranged outside the fixed box.

Compared with the prior art, the utility model, following advantage and beneficial effect have: the utility model discloses a set up a sand density bucket section of thick bamboo on lower floor's working plate, use two cylinder location dowels to guarantee that the drive hammer on the drive hammer slide bar falls into perpendicularly and hits the operation of beating in the sand density bucket, use first power device to drive the drive hammer slide bar simultaneously and carry out the up-and-down motion and hit the reality to the grit in the sand density bucket, use second power device to drive the vibration fork and beat the completion vibration to the lateral wall of sand density bucket, use first power device and second power device can realize automatic operation, reduce personnel's input, also can guarantee stable vibration simultaneously and hit real frequency, realize better compaction effect.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic front structural view of the present invention.

Fig. 3 is a schematic front view of another embodiment of the present invention.

Fig. 4 is a schematic top view of the second power device.

The definitions of the reference symbols in the figures are: an operation platform-1; an upper working plate-11; a lower working plate-12; a fixed box-13; a mounting plate-14; a first through-hole-15; a sand density barrel-2; a hammering device-3; hammer slide rod-31; a through slot-311; force-bearing tip-312; a hammer-32; a first power plant-33; motor-331; a rotating disk-332; a transmission rod-333; a vibrating device-4; a second power unit-41; a power supply-411; -412; a U-shaped electromagnet-413; an armature-414; a second screw-415; a spring leaf-416; a vibratory tine-42; a fork rod-421; a fork handle-422; a cylindrical positioning dowel-5; a vibration fork support rod-6.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, so as to further understand the concept, the technical problems to be solved, the technical features constituting the technical solutions, and the technical effects brought by the technical solutions of the present invention.

As shown in fig. 1 and 4, a vibration compaction device for detecting relative density of sand comprises an operation platform 1, which is i-shaped and comprises an upper working plate 11 and a lower working plate 12 which are parallel to each other, wherein the upper working plate 11 and the lower working plate 12 are connected through a hollow fixing box 13, and a mounting plate 14 is vertically arranged on the upper working plate 11;

the sand density barrel 2 is fixedly arranged on the upper surface of the lower working plate 12;

the hammering device 3 comprises a hammer sliding rod 31, a hammer 32 and a first power device 33, wherein the hammer 32 and the first power device 33 are arranged at the tail end of the hammer sliding rod 31, the hammer sliding rod 31 is vertically arranged on the side surface of the mounting plate 14, a first through hole 15 is also formed in the upper working plate 11, and the hammer sliding rod 31 drives the hammer 32 to penetrate through the first through hole 15 to enter the sand density barrel 2 to move up and down; the first power device 33 is arranged on the mounting plate 14 and is connected with the hammer sliding rod 31;

the vibrating device 4 comprises a second power device 41 and a vibrating fork 42 which are arranged in the fixed box 13, the vibrating fork 42 comprises two fork rods 421 and a fork handle 422, and the fork handle 422 is connected with the second power device 41; the bottom of fixed case 13 rotationally is equipped with vibration fork bracing piece 6 through the bearing, be equipped with the second through-hole on the vibration fork bracing piece 6, fork handle 422 passes behind the second through-hole and fixes through first screw and vibration fork bracing piece 6, and two fork arms 421 levels of vibration fork 42 stretch out fixed case 13 and press from both sides sand density bucket 2 between fork arm 421.

The principle of the utility model is that: when a sand maximum dry density test is carried out, vibration compaction needs to be carried out after sand filling is carried out on the sand density barrel 2, in the utility model, an upper working plate 11 and a lower working plate 12 are firstly arranged, a mounting plate 14 is arranged on the upper working plate 11 to form a mounting foundation, a fixing box 13 is used for fixing the upper working plate 11 and the lower working plate 12, the sand density barrel 2 is firstly fixedly arranged on the lower working plate 12, a first power device 33 is started after sand filling, the first power device 33 drives a hammer sliding rod 31 to move upwards, the hammer sliding rod 31 moves downwards after moving to a certain height, and a hammer 32 is driven to move downwards to enter the sand density barrel 2 to compact sand; set up vibration fork bracing piece 6 in fixed case 13, the fork handle 422 of vibration fork 42 passes behind vibration fork bracing piece 6 and fixes, because vibration fork bracing piece 6 rotationally sets up in fixed case 13, also can realize moving about of vibration fork 42 when supporting vibration fork 42, start second power device 41, second power device 41 drives the fork arm 421 of vibration fork 42 and moves about, strike sand density bucket 2, first power device 33 and second power device 41 start simultaneously, realize whole vibration and hit real operation.

As shown in fig. 1, the present invention further discloses a preferred embodiment of the above hammer sliding rod, wherein the hammer sliding rod 31 is provided with a through groove 311 along the length direction, and two cylindrical positioning pins 5 are provided in the through groove 311 along the vertical direction. In this embodiment, set up logical groove 311 on hammer sliding rod 31, set up two cylinder location plug pins 5 along vertical direction in leading to groove 311, the diameter of two cylinder location plug pins 5 is less than the width that leads to groove 311, guarantees that hammer sliding rod 31 accomplishes smoothly and rises and the whereabouts, and the cylinder location plug pin 5 of two vertical settings is at hammer sliding rod 31 at the in-process assurance straightness that hangs down that rises and descend, can also play spacing effect simultaneously.

As shown in fig. 1, the present invention further discloses a preferred embodiment of the above first power device, the first power device 33 includes a motor 331, a rotating disc 332 and a transmission rod 333, the motor 331 is disposed on the side wall of the mounting plate 14 opposite to the hammer sliding rod 31, after the output shaft vertically passes through the mounting plate 14, the rotating disc 332 is fixedly disposed at the end of the output shaft, the transmission rod 333 is fixedly disposed on the circumference of the rotating disc 332 along the diameter direction; the side wall of the hammer sliding rod 31 is vertically provided with a force-receiving end 312, and the lower surface of the force-receiving end 312 is horizontal. In this embodiment, the center of the rotating disc 332 is set to be equal to the initial position of the force-receiving end 312, the transmission rod 333 is set along the diameter of the rotating disc 332, the length of the force-receiving end 312 is smaller than the distance between the rotating disc 332 and the hammer sliding rod 31, when sand in the sand density barrel 2 needs to be beaten, the motor 331 is started, the output shaft of the motor 331 rotates to drive the rotating disc 332 to rotate together, at this time, the transmission rod 333 on the rotating disc 332 rotates clockwise, the transmission rod 333 moves to the lower surface of the force-receiving end 312, the transmission rod 333 contacts with the lower surface of the force-receiving end 312, the two contact surfaces are parallel, the force-receiving end 312 is lifted, the hammer sliding rod 31 moves upward, when the transmission rod 333 continues to rotate, the transmission rod 333 is gradually separated from the force-receiving end 312 and no longer contacts with the force-receiving end 312, after the transmission rod 31 is completely separated, the hammer sliding rod 31 is subjected to free fall under the influence of gravity, the sand in the downward movement to hammer the sand in the sand density barrel 2, when the top of the through slot 311 is clamped at the position of the cylindrical hammer positioning pin 5, and once hammer operation is completed, at this time, the end 312 is reset to the initial position; when the transmission rod 333 continues to rotate and move to the lower surface of the stressed end 312, the above operation steps are repeated, and multiple hammering can be cyclically completed to compact the sand in the sand density barrel 2.

As shown in fig. 2, the present invention further discloses a preferred embodiment of the above force-receiving end, wherein the force-receiving end 312 is a rectangular parallelepiped. In this embodiment, the force receiving head 312 is configured as a rectangular parallelepiped, the transmission rod 333 is close to and in contact with the lower surface of the force receiving head 312, and the force receiving head 312 is forced upward to lift.

As shown in fig. 3, the present invention further discloses another preferred embodiment of the above-mentioned force-receiving end, wherein the longitudinal section of the force-receiving end 312 is a right triangle, and the contact surface with the transmission rod 333 is horizontal. In this embodiment, the longitudinal section of the force-receiving tip 312 is a right triangle, so that the force received by the triangle is more stable during the transmission with the transmission rod 333.

As shown in fig. 4, the present invention further discloses a preferred embodiment of the above second power device, the second power device 41 includes a U-shaped electromagnet 413, an armature 414, a second screw 415 and a spring piece 416; the U-shaped electromagnet 413 is horizontally arranged on one side of the fork handle 422 and is opened towards the fork handle 422; the armature 414 is fixedly arranged at the lower end of the fork handle 422 along the direction of the fork handle 422, and the armature 414 is arranged corresponding to one end of the U-shaped electromagnet 413; the second screw 415 is arranged on the other side of the fork handle 422, the end of the second screw is in contact with the armature 414, and current passes through the second screw 415, the armature 414 and the U-shaped electromagnet 413 in sequence and then forms a passage with the power supply 411 and the switch 412 which are arranged outside the fixed box 13. In the present embodiment, a second screw 415, an armature 414, a U-shaped electromagnet 413 and a spring piece 416 are installed in the fixed box 13 to form a passage with a power supply 411 and a switch 412 outside the fixed box 13, when the second power device 41 is required to work, the power supply 411 and the switch 412 are switched on, after the circuit is switched on, current passes through an iron coil of the U-shaped electromagnet 413, the U-shaped electromagnet 413 has magnetic attraction to the armature 414 to move close to the U-shaped electromagnet 413, because the vibrating fork support rod 6 is rotatably arranged on the fixed box 13 and can rotate left together with the fork handle 422, the right fork rod 421 moves left to impact the sand density barrel 2, and simultaneously the armature 414 is attracted by the U-shaped electromagnet 413 and then separated from the second screw 415, the circuit is switched off, the U-shaped electromagnet 413 loses magnetism, the armature 414 is not attracted again, the spring piece 416 recovers, the left fork rod 421 moves right to impact the sand density barrel 2, at this time, the armature 414 contacts the second screw 415 again, the circuit is switched on, and the operation is repeated, the fork rod 421 at both ends impacts the sand density barrel 2 to achieve the effect of vibrating sand without breaking the sand density.

Finally, it should be noted that: the above embodiments are only used for illustrating the technical solution of the present invention, and not for limiting the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that; the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims (6)

1. The utility model provides a vibration of detecting sand relative density hits real device which characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,

the work platform (1) is I-shaped and comprises an upper working plate (11) and a lower working plate (12) which are parallel to each other, the upper working plate (11) and the lower working plate (12) are connected through a hollow fixing box (13), and a mounting plate (14) is vertically arranged on the upper working plate (11);

the sand density barrel (2) is fixedly arranged on the upper surface of the lower working plate (12);

the hammering device (3) comprises a hammer sliding rod (31), a hammer (32) and a first power device (33), wherein the hammer sliding rod (31) is arranged at the tail end of the hammer sliding rod (31), the hammer sliding rod (31) is vertically arranged on the side surface of the mounting plate (14), a first through hole (15) is further formed in the upper working plate (11), and the hammer sliding rod (31) drives the hammer (32) to penetrate through the first through hole (15) to enter the sand density barrel (2) to move up and down; the first power device (33) is arranged on the mounting plate (14) and is connected with the hammer sliding rod (31);

the vibrating device (4) comprises a second power device (41) and a vibrating fork (42) which are arranged in the fixed box (13), the vibrating fork (42) comprises two fork rods (421) and a fork handle (422), and the fork handle (422) is connected with the second power device (41); the bottom of fixed case (13) rotationally is equipped with vibration fork bracing piece (6) through the bearing, be equipped with the second through-hole on vibration fork bracing piece (6), fork handle (422) pass behind the second through-hole fixed through first screw and vibration fork bracing piece (6), two fork arms (421) levels of vibration fork (42) stretch out fixed case (13) and press from both sides sand density bucket (2) between fork arm (421).

2. A vibratory compaction apparatus for determining the relative density of sand as defined in claim 1 wherein: the hammer sliding rod (31) is provided with a through groove (311) along the length direction, and two cylindrical positioning pins (5) are fixedly arranged in the through groove (311) along the vertical direction.

3. A vibratory compaction apparatus for determining the relative density of sand as defined in claim 1 wherein: the first power device (33) comprises a motor (331), a rotating disc (332) and a transmission rod (333), the motor (331) is arranged on the side wall of the mounting plate (14) opposite to the hammer sliding rod (31), the rotating disc (332) is fixedly sleeved at the tail end after an output shaft vertically penetrates through the mounting plate (14), and the transmission rod (333) is fixedly arranged on the circumference of the rotating disc (332) along the diameter direction; and a force-bearing end head (312) is vertically arranged on the side wall of the hammer sliding rod (31), and the lower surface of the force-bearing end head (312) is horizontal.

4. A vibratory compaction apparatus for determining the relative density of sand as claimed in claim 3 wherein: the force-bearing end head (312) is a cuboid.

5. A vibratory compaction apparatus for determining the relative density of sand as claimed in claim 3 wherein: the longitudinal section of the stress end (312) is a right-angled triangle, and the contact surface of the stress end and the transmission rod (333) is horizontal.

6. A vibratory compaction apparatus for determining the relative density of sand as defined in claim 1 wherein: the second power device (41) comprises a U-shaped electromagnet (413), an armature (414), a second screw (415) and a spring piece (416); the U-shaped electromagnet (413) is horizontally arranged on one side of the fork handle (422) and the opening of the U-shaped electromagnet faces the fork handle (422); the armature (414) is fixedly arranged at the lower end of the fork handle (422) along the direction of the fork handle (422), and the armature (414) is arranged corresponding to one end of the U-shaped electromagnet (413); the second screw (415) is arranged on the other side of the fork handle (422), the end of the second screw is in contact with the armature (414), and current passes through the second screw (415), the armature (414) and the U-shaped electromagnet (413) in sequence and then forms a passage with a power supply (411) and a switch (412) which are arranged outside the fixed box (13).

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