Gravel vibration instrument for experiment

Abstract

The invention relates to an experimental sandstone vibration instrument, and relates to the technical field of sandstone detection, the experimental sandstone vibration instrument comprises a case, a vibration screen, a driving assembly and a vibration assembly, the driving assembly is arranged in the case and is used for driving the vibration screen to perform vibration screening in the vertical direction; the vibration assembly comprises a supporting table, a driving part, a driven part and a rotating part, the supporting table is connected to the machine box, and the vibration sieve is connected to the supporting table; the driving part is arranged in the supporting table and is used for driving the driven part to rotate; the driven part is arranged on the driving part, the rotating part is arranged on the supporting table, and the driven part is used for driving the rotating part to drive the vibrating screen to rotate and screen in the circumferential direction. The vibrating screen has the effect of improving the screening efficiency of the vibrating screen.

Description

Technical Field

[0001] The present application relates to the technical field of sand and gravel detection, and in particular to a sand and gravel vibration instrument for experiments. Background Art

[0002] In construction, roads, bridges and other projects, sand and gravel are usually added to improve the strength of the building. Sand and gravel refers to a loose mixture of sand and crushed stone. In order to ensure the quality and safety of the project, operators need to conduct a vibration test on the sand and gravel to determine whether the production of sand and gravel meets the requirements.

[0003] At present, the general vibration device includes a vibration seat, a vibration screen, a vibrator and a motor. The vibration screen is abutted against the vibration seat, the vibrator is fixedly connected to the bottom of the vibration seat, and the motor is fixedly connected to the vibrator. When in use, sand and gravel are placed on the vibration screen, the motor is started, the motor drives the vibrator to vibrate, and the vibrator drives the vibration screen to vibrate, thereby performing a vibration experiment on the vibration screen.

[0004] However, during the vibration process, since the motor can only drive the vibrator to perform simple mechanical vibration, the vibration frequency of the vibration screen is low, thereby reducing the screening efficiency of the vibration screen. Summary of the invention

[0005] In order to improve the screening efficiency of the vibrating screen, the present application provides an experimental sand and gravel vibrating instrument.

[0006] The present application provides an experimental sandstone vibration instrument, which adopts the following technical solution: An experimental sand and gravel vibration instrument comprises a case, a vibration screen, a driving assembly and a vibration assembly, wherein the driving assembly is arranged in the case and is used to drive the vibration screen to vibrate and screen in a vertical direction; the vibration assembly comprises a support platform, a driving part, a driven part and a rotating part, wherein the support platform is connected to the case, and the vibration screen is connected to the support platform; the driving part is arranged in the support platform and is used to drive the driven part to rotate; the driven part is arranged on the driving part, and the rotating part is arranged on the support platform, and the driven part is used to drive the rotating part to drive the vibration screen to rotate and screen in a circumferential direction.

[0007] By adopting the above technical scheme, the driving component drives the vibrating screen to vibrate and screen in the vertical direction. While vibrating in the vertical direction, the driving component drives the driving part to move, the driving part drives the driven part to rotate, and the driven part drives the rotating part to drive the vibrating screen to rotate and screen in the circumferential direction, thereby increasing the screening dimension of the vibrating screen, making it easier to separate sand and gravel, thereby improving the screening efficiency of the vibrating screen.

[0008] Optionally, the support platform is hollow inside; the driving part includes a double-headed telescopic rod, a spur rack and a driving gear, the double-headed telescopic rod is fixedly connected in the support platform, the movable ends of the double-headed telescopic rod are respectively the first movable end and the second movable end in the vertical downward direction, the first movable end and the second movable end of the double-headed telescopic rod share a piston, the second movable end of the double-headed telescopic rod is slidably passed through the support platform, and the sliding direction is the vertical direction; the second movable end of the double-headed telescopic rod is fixedly connected to the chassis, and the first movable end of the double-headed telescopic rod is located in the support platform; the spur rack is fixedly connected to the first movable end of the double-headed telescopic rod, and the axial direction of the spur rack is the same as the axial direction of the double-headed telescopic rod; the driving gear is meshed with the spur rack and is rotatably connected to the support platform.

[0009] By adopting the above technical solution, the driving assembly drives the support table to move, the support table drives the driving gear to move, and the spur rack drives the driving gear to rotate, so that the driving gear can drive the driven part to rotate, thereby facilitating the vibrating screen to rotate and screen along the circumferential direction.

[0010] Optionally, the driven part includes a first bevel gear and a second bevel gear, the first bevel gear is coaxially fixedly connected to the driving gear, the second bevel gear meshes with the first bevel gear and is rotatably connected to the support platform; the second bevel gear is coaxially rotatably connected to a rotating shaft, the rotating shaft is disposed on the support platform and is rotatably connected to the support platform; a limiting block is fixedly connected to the tooth surface of the second bevel gear away from the first bevel gear; a limiting groove is provided on one end of the rotating shaft close to the second bevel gear, and a limiting spring is fixedly connected to the bottom of the limiting groove; an end of the limiting spring away from the bottom of the limiting groove is fixedly connected to a locking block, the locking block is located on one side of the limiting block, and a guide inclined surface is provided on one side of the locking block; an end of the rotating shaft away from the second bevel gear is coaxially fixedly connected to a cam, and the cam is located on the outer side of the support platform.

[0011] By adopting the above technical solution, the support platform drives the driving gear to move, the spur rack drives the driving gear to rotate, the driving gear drives the first bevel gear to rotate, the first bevel gear drives the second bevel gear to rotate, the second bevel gear drives the limit block to rotate, the limit block squeezes the other side of the guide slope of the locking block, the limit block pushes the locking block to rotate, the locking block drives the rotating shaft to rotate, the rotating shaft drives the cam to rotate, and the cam drives the rotating part to rotate, so that the rotating part can easily drive the vibrating screen to rotate and screen along the circumferential direction, thereby easily improving the screening efficiency.

[0012] Optionally, the rotating part includes a coil spring and a rotating seat, the center end of the coil spring is fixedly connected to the support platform, and the edge end is fixedly connected to the edge of the rotating seat, and the rotating seat is rotatably connected to the support platform; a baffle is fixedly connected to one side of the rotating seat, and the baffle is located on one side of the cam; the vibrating screen is detachably connected to one end of the rotating seat away from the coil spring.

[0013] By adopting the above technical solution, the rotating shaft drives the cam to rotate, and when the tip of the cam rotates to the baffle position, the cam abuts against the baffle and pushes the baffle to rotate, and the baffle drives the rotating seat to rotate, and the rotating seat drives the edge end of the coil spring to rotate, so that the coil spring accumulates elastic force, and when the tip of the cam rotates away from the baffle position, the cam is disengaged from the baffle, and under the elastic force of the coil spring, the coil spring drives the rotating seat to rotate in the opposite direction and reset, and the rotating seat drives the vibrating screen to reciprocate, so that the vibrating screen can swing circumferentially, so that the sand and gravel are easy to be further screened, thereby improving the screening efficiency of the vibrating screen.

[0014] Optionally, the driving assembly includes a motor, an incomplete gear and a travel frame, the motor is fixedly connected to the chassis, and the incomplete gear is coaxially fixedly connected to the output shaft of the motor; the travel frame is located below the support platform and is slidably connected to the chassis, and the sliding direction of the travel frame is vertical; transmission racks are fixedly connected on both sides of the travel frame, and the two transmission racks are arranged opposite to each other, and the incomplete gear is located between the two transmission racks and meshes with one of the transmission racks; a push plate is fixedly connected to the travel frame, and the push plate is located at one end of the travel frame close to the support platform.

[0015] By adopting the above technical solution, the output shaft of the motor drives the incomplete gear to rotate, the incomplete gear drives the transmission rack to move, the transmission rack drives the travel frame to slide back and forth, the travel frame drives the push plate to move, the push plate pushes the support platform to move, the support platform drives the vibrating screen to vibrate in the vertical direction and drives the driving part to move at the same time, so that the sand and gravel can be vibrated and screened in the vertical and circumferential directions at the same time, thereby improving the screening efficiency of the vibrating screen.

[0016] Optionally, it also includes a dust removal component, which includes a dust cover, a power unit and a purification unit, the dust cover is detachably connected to the chassis, and the cover is arranged on the support platform; the power unit includes a first telescopic rod and a second telescopic rod, the first telescopic rod is fixedly connected to the support platform, the movable end of the first telescopic rod is arranged in a direction close to the dust cover, and the rodless cavity of the first telescopic rod is connected to the rod cavity where the second movable end of the double-headed telescopic rod is located; the fixed end of the second telescopic rod is fixedly connected to the dust cover, and the movable end is arranged in a direction close to the first telescopic rod; the purification unit is arranged on the dust cover, and is used to absorb dust in the dust cover.

[0017] By adopting the above technical solution, the push plate pushes the support table to move upward, and the volume of the rod cavity where the second movable end of the double-headed telescopic rod is located is reduced. Since the rodless cavity of the first telescopic rod is connected to the rod cavity where the second movable end of the double-headed telescopic rod is located, the volume of the rodless cavity of the first telescopic rod is increased, so that the movable end of the first telescopic rod moves, and the movable end of the first telescopic rod pushes the movable end of the second telescopic rod to retract, and the second telescopic rod drives the purification part to absorb the dust in the dust cover, thereby easily reducing the possibility of dust leakage, and then easily protecting the operator.

[0018] Optionally, the purification unit includes a water tank and a spray head, the water tank is fixedly connected to the dust cover and located above the second telescopic rod, the water tank is communicated with the rodless cavity of the second telescopic rod; a first slide is slidably connected in the water tank, the first slide is located on a side of the water tank close to the connection between the rodless cavity of the second telescopic rod and the water tank; the spray head is fixedly connected to one end of the dust cover away from the chassis, a spray pipe is connected between the spray head and the water tank, and a medium flows through the two through the spray pipe.

[0019] By adopting the above technical solution, the movable end of the first telescopic rod pushes the movable end of the second telescopic rod to retract, and the volume of the rodless cavity of the second telescopic rod is reduced. Since the water tank is connected to the rodless cavity of the second telescopic rod, under the action of pressure, the first slide slides in the direction away from the connection point of the rodless cavity of the second telescopic rod, and the first slide squeezes the medium into the spray pipe, and the spray head sprays the medium, making it easy for dust to adhere to the medium, and at the same time facilitating the cleaning of the inner wall of the dust cover, thereby further facilitating the cleaning of the dust, thereby improving the dust removal effect of the device.

[0020] Optionally, it also includes a fixing component, which includes a fixing bolt, a fixing frame and a fixing nut, one end of the fixing bolt is detachably connected to the baffle, and the axial direction of the fixing bolt is arranged parallel to the axial direction of the vibrating screen; one end of the fixing frame is slidably mounted on the fixing bolt and is tightly abutted against the vibrating screen; the fixing nut is threadedly connected to the fixing bolt and is located on a side of the fixing frame away from the baffle.

[0021] By adopting the above technical solution, the vibrating screen is pressed by the fixing frame, so that the vibrating screen is not easy to loosen or fall off during the screening process, thereby enhancing the stability of the vibrating screen and further improving the screening efficiency of the vibrating screen.

[0022] Optionally, a plurality of the incomplete gears are provided, and the plurality of the incomplete gears are arranged along the output shaft of the motor; a plurality of the travel frames are also provided, and the plurality of the travel frames correspond one-to-one to the plurality of the incomplete gears.

[0023] By adopting the above technical solution, by increasing the number of incomplete gears and travel frames, the power output points of the vibrating screen are increased, so that the device can avoid affecting the normal operation of the entire vibrating screen due to the failure of a single travel frame, thereby increasing the output power of the vibrating screen, and making the vibrating screen more stable during the screening process.

[0024] In summary, the present application includes at least one of the following beneficial technical effects: By arranging a support platform, a driving part, a driven part and a rotating part, the sand and gravel can be vibrated and screened in the vertical direction and the circumferential direction at the same time, thereby improving the screening efficiency of the vibrating screen; By setting up a dust cover, a power unit and a purification unit, it is easy to reduce the possibility of dust leakage, thereby making it easy to protect the operator; By setting up a motor, an incomplete gear and a travel frame, the sand and gravel can be vibrated and screened in both the vertical and circumferential directions at the same time, thereby reducing the cost of the device; By arranging fixing bolts, fixing frames and fixing nuts, the vibrating screen is not likely to loosen or fall off during the screening process, thereby enhancing the stability of the vibrating screen. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the structure of an embodiment of the present application; Figure 2 is a cross-sectional view intended to illustrate the drive assembly; Figure 3 is a schematic diagram for explaining the structure of the oscillating assembly; Figure 4 It is an exploded view intended to illustrate the rotating part; Figure 5 It is a cross-sectional view for explaining the driven part.

[0026] Description of reference numerals: 1. Chassis; 11. Retaining ring; 12. Top block; 2. Vibrating screen; 3. Driving assembly; 31. Motor; 32. Incomplete gear; 33. Travel frame; 34. Transmission rack; 35. Push plate; 4. Vibrating assembly; 41. Support table; 411. Storage slot; 42. Driving unit; 421. Double-head telescopic rod; 4211. Buffer spring; 422. Straight rack; 423. Driving gear; 43. Driven unit; 431. First bevel gear; 432. Second bevel gear; 433. Rotating shaft; 4331. Limiting slot; 4332. Limiting spring; 4333. Lock Block; 434, limit block; 435, cam; 44, rotating part; 441, coil spring; 442, rotating seat; 443, baffle; 5, fixing assembly; 51, fixing bolt; 52, fixing frame; 53, fixing nut; 6, dust removal assembly; 61, dust cover; 62, power unit; 621, first telescopic rod; 622, second telescopic rod; 63, purification unit; 631, water tank; 6311, first slide plate; 6312, second slide plate; 6313, water inlet pipe; 6314, slide rod; 6315, collection box; 632, sprinkler head; 633, sprinkler pipe. DETAILED DESCRIPTION

[0027] The following is combined with Figure 1-5 This application is described in further detail.

[0028] The present application embodiment discloses a sandstone vibration instrument for experiment. Figure 1 and Figure 2 An experimental sand and gravel vibration instrument includes a chassis 1, a vibration screen 2, a driving component 3, a vibration component 4, a fixing component 5 and a dust removal component 6. The driving component 3 is arranged in the chassis 1, and is used to drive the vibration screen 2 to vibrate and screen in the vertical direction; the vibration component 4 is arranged on the chassis 1, and is used to drive the vibration screen 2 to rotate and screen in the circumferential direction; the fixing component 5 is arranged on the driving component 3, and is used to fix the vibration screen 2; the dust removal component 6 is arranged on the chassis 1, and is used to clean the dust generated by the sand and gravel.

[0029] When in use, the fixing component 5 fixes the vibrating screen 2 on the chassis 1, the driving component 3 drives the vibrating screen 2 to vibrate and screen in the vertical direction, and at the same time drives the vibrating component 4 to drive the vibrating screen 2 to rotate and screen in the circumferential direction. The vibrating component 4 drives the dust removal component 6 to clean the dust generated by the sand and gravel, thereby making it easy to separate the sand and gravel, thereby improving the screening efficiency of the vibrating screen 2.

[0030] Reference Figure 1 and Figure 2The chassis 1 is in a rectangular box shape and is vertically arranged, and the top of the chassis 1 is open. A retaining ring 11 is fixedly connected to the open end of the chassis 1, and the retaining ring 11 is in a rectangular ring shape. Two top blocks 12 are fixedly connected to the chassis 1, and the two top blocks 12 are arranged along the length direction of the chassis 1 and are respectively located on both sides of the chassis 1, and the top blocks 12 are located below the retaining ring 11.

[0031] There are multiple vibrating screens 2, which are arranged in the vertical direction, and the screening accuracy of the multiple vibrating screens 2 increases in the vertical downward direction. Adjacent vibrating screens 2 are connected to each other, and the vibrating screen 2 at the bottom is connected to the chassis 1.

[0032] Reference Figure 1 and Figure 2 The driving assembly 3 includes a motor 31, an incomplete gear 32 and a travel frame 33. The motor 31 is fixedly connected to the middle of the chassis 1, and the axial direction of the output shaft is arranged parallel to the width direction of the chassis 1. Two incomplete gears 32 are provided, and the two incomplete gears 32 are evenly arranged along the output shaft of the motor 31. The incomplete gear 32 is coaxially fixedly connected to the output shaft of the motor 31.

[0033] There are two travel frames 33, and the two travel frames 33 correspond to the two incomplete gears 32. The travel frame 33 is frame-shaped and vertically arranged, and the top and bottom ends of the travel frame 33 are arc-shaped. The travel frame 33 is located between the two top blocks 12 and is slidably connected to the top blocks 12, and the sliding direction of the travel frame 33 is the vertical direction.

[0034] Transmission racks 34 are fixedly connected to both sides of the travel frame 33, and the tooth grooves of the two transmission racks 34 are arranged opposite to each other. The incomplete gear 32 is located between the two transmission racks 34 and meshes with one of the transmission racks 34. A push plate 35 is fixedly connected to the travel frame 33. The push plate 35 is in a rectangular block shape and is arranged horizontally. The push plate 35 is located at one end of the travel frame 33 away from the bottom end of the chassis 1.

[0035] When in use, start the motor 31, the output shaft of the motor 31 drives the incomplete gear 32 to rotate, the incomplete gear 32 drives the transmission rack 34 to move, the transmission rack 34 drives the travel frame 33 to slide back and forth, the travel frame 33 drives the push plate 35 to move, and the push plate 35 drives the vibrating screen 2 to vibrate in the vertical direction, so that the sand and gravel are easy to screen, thereby improving the screening efficiency of the vibrating screen 2.

[0036] Reference Figure 2 , Figure 3 and Figure 4The oscillating assembly 4 includes a support platform 41, a driving part 42, a driven part 43 and a rotating part 44. The support platform 41 is in a rectangular box shape and is arranged horizontally. The support platform 41 is hollow inside and is located above the retaining ring 11. The driving part 42 is provided with four groups, and the four groups of driving parts 42 are respectively located at the four vertices of the support platform 41.

[0037] Reference Figure 2 and Figure 3 The driving part 42 includes a double-headed telescopic rod 421, a spur rack 422 and a driving gear 423. The double-headed telescopic rod 421 is located inside the support platform 41 and is fixedly connected to the bottom end of the support platform 41. The movable ends of the double-headed telescopic rod 421 are respectively the first movable end and the second movable end in the vertical downward direction. The first movable end and the second movable end of the double-headed telescopic rod 421 share a piston.

[0038] The second movable end of the double-head telescopic rod 421 is slidably arranged on the support platform 41, and the sliding direction is the vertical direction. The second movable end of the double-head telescopic rod 421 is fixedly connected to the top of the top block 12. A buffer spring 4211 is sleeved on the second movable end of the double-head telescopic rod 421, and the buffer spring 4211 is located between the support platform 41 and the top block 12. The two ends of the buffer spring 4211 are fixedly connected to the support platform 41 and the top block 12 respectively.

[0039] The first movable end of the double-ended telescopic rod 421 is located in the support platform 41, and the spur rack 422 is fixedly connected to the first movable end of the double-ended telescopic rod 421. The axial direction of the spur rack 422 is the same as the axial direction of the double-ended telescopic rod 421. The driving gear 423 is meshed with the spur rack 422 and is rotatably connected to the support platform 41.

[0040] Reference Figure 2 and Figure 3 The driven part 43 is provided with four groups, and the four groups of driven parts 43 correspond to the four groups of driving parts 42. The driven part 43 includes a first bevel gear 431 and a second bevel gear 432, and the first bevel gear 431 is coaxially fixedly connected with the driving gear 423. The second bevel gear 432 is meshed with the first bevel gear 431 and is rotatably connected with the top end of the support platform 41.

[0041] The second bevel gear 432 is coaxially rotatably connected with a rotating shaft 433, and the rotating shaft 433 is disposed on the top surface of the support platform 41 and is rotatably connected to the support platform 41. A limit block 434 is fixedly connected to the tooth surface of the second bevel gear 432 away from the first bevel gear 431, and the limit block 434 is rectangular and located on a side of the second bevel gear 432 close to the rotating shaft 433.

[0042] Reference Figure 3 and Figure 5A limiting groove 4331 is formed on one end of the rotating shaft 433 close to the second bevel gear 432, and a limiting spring 4332 is fixedly connected to the bottom of the limiting groove 4331. An end of the limiting spring 4332 away from the bottom of the limiting groove 4331 is fixedly connected to a locking block 4333, and the limiting spring 4332 is used to drive the locking block 4333 to move in a direction away from the bottom of the limiting groove 4331.

[0043] The locking block 4333 is in the shape of a triangular prism, and its horizontal cross section is a right triangle. The locking block 4333 is located on one side of the limit block 434, and the hypotenuse side of the horizontal cross section of the locking block 4333 is a guiding inclined surface. The end of the rotating shaft 433 away from the second bevel gear 432 is coaxially fixedly connected with a cam 435, and the cam 435 is located on the outside of the support platform 41.

[0044] Reference Figure 2 and Figure 4 The center of the top surface of the support platform 41 is concave with a storage groove 411, and the storage groove 411 is in the shape of a circular groove. The rotating part 44 includes a coil spring 441 and a rotating seat 442. The center end of the coil spring 441 is fixedly connected to the center of the bottom of the storage groove 411, and the edge end is fixedly connected to the edge of the rotating seat 442.

[0045] The rotating seat 442 is located in the storage groove 411, and the storage groove 411 is adapted, and the rotating seat 442 is rotatably connected to the support platform 41. Four baffles 443 are fixedly connected to one side of the rotating seat 442, and the four baffles 443 are evenly arranged around the central axis of the rotating seat 442, and correspond to the four cams 435 one by one, and the baffles 443 are located on one side of the cam 435.

[0046] When in use, the travel frame 33 drives the push plate 35 to move upward, the push plate 35 pushes the support platform 41 to move, the support platform 41 drives the driving gear 423 to move, the spur rack 422 drives the driving gear 423 to rotate, the driving gear 423 drives the first bevel gear 431 to rotate, the first bevel gear 431 drives the second bevel gear 432 to rotate, the second bevel gear 432 drives the limit block 434 to rotate, the limit block 434 squeezes the other side of the guide inclined surface of the locking block 4333, the limit block 434 pushes the locking block 4333 to rotate, the locking block 4333 drives the rotating shaft 433 to rotate, and the rotating shaft 433 drives the cam 435 to rotate; When the travel frame 33 drives the push plate 35 to move downward, the driving gear 423 drives the first bevel gear 431 to reverse, the first bevel gear 431 drives the second bevel gear 432 to reverse, the second bevel gear 432 drives the limit block 434 to reverse, the limit block 434 squeezes the guiding inclined surface of the locking block 4333, and the limit block 434 pushes the locking block 4333 to move toward the bottom of the limit groove 4331, so that the second bevel gear 432 idles and the cam 435 does not rotate; When the tip of the cam 435 rotates to the position of the baffle 443, the cam 435 abuts against the baffle 443 and pushes the baffle 443 to rotate, and the baffle 443 drives the rotating seat 442 to rotate, and the rotating seat 442 drives the edge end of the coil spring 441 to rotate. When the tip of the cam 435 rotates away from the baffle 443, the cam 435 disengages from the baffle 443, and the coil spring 441 drives the rotating seat 442 to rotate in the opposite direction and reset, and the rotating seat 442 drives the vibrating screen 2 to rotate back and forth, so that the vibrating screen 2 can swing circumferentially, thereby making it easier to further screen the sand and gravel, thereby improving the screening efficiency of the vibrating screen 2.

[0047] Reference Figure 2 , multiple vibrating screens 2 are all arranged on the rotating seat 442, and the lowest vibrating screen 2 is clamped with the rotating seat 442. The fixing assembly 5 includes a fixing bolt 51, a fixing frame 52 and a fixing nut 53. Four fixing bolts 51 are provided, and the four fixing bolts 51 are respectively located on four baffles 443. The fixing bolts 51 are arranged vertically, and one end of the fixing bolt 51 is threadedly connected with the baffle 443.

[0048] The fixing frame 52 is cross-shaped, and the four ends of the fixing frame 52 are respectively slidably mounted on the four fixing bolts 51, and are located above the vibrating screen 2, so that the fixing frame 52 is tightly in contact with the vibrating screen 2. Four fixing nuts 53 are provided, and the four fixing nuts 53 are respectively threadedly connected with the four fixing bolts 51, and the fixing nuts 53 are located on the side of the fixing frame 52 away from the baffle 443.

[0049] When in use, fix the fixing bolt 51 on the baffle 443, then put the fixing frame 52 on the fixing bolt 51, and then press the fixing frame 52 and the vibrating screen 2 together through the fixing nut 53, so that the vibrating screen 2 is not easy to loosen or fall off during the screening process, thereby enhancing the stability of the vibrating screen 2 and further improving the screening efficiency of the vibrating screen 2.

[0050] Reference Figure 2 and Figure 3 The dust removal assembly 6 includes a dust cover 61, a power unit 62 and a purification unit 63. The dust cover 61 is in a rectangular box shape and is vertically arranged. The bottom end of the dust cover 61 is open, and the open end of the dust cover 61 is engaged with the open end of the chassis 1. The power unit 62 is provided with four groups, and the four groups of power units 62 correspond to the four groups of driving units 42 one by one.

[0051] Reference Figure 2 and Figure 3The power unit 62 includes a first telescopic rod 621 and a second telescopic rod 622. The first telescopic rod 621 is horizontally arranged and fixedly connected to the support platform 41. The first telescopic rod 621 is located between the double-headed telescopic rod 421 and the side wall of the support platform 41. The movable end of the first telescopic rod 621 is arranged toward the direction close to the dust cover 61 and is slidably arranged on the support platform 41. The rodless cavity of the first telescopic rod 621 and the rod cavity where the second movable end of the double-headed telescopic rod 421 is located are connected to water through a through hole.

[0052] The second telescopic rod 622 is horizontally arranged and fixedly connected to the inner wall of the dust cover 61. The fixed end of the second telescopic rod 622 is fixedly connected to the dust cover 61, and the movable end is arranged in a direction close to the first telescopic rod 621. The movable ends of the first telescopic rod 621 and the second telescopic rod 622 are both fixedly connected with a push plate 35.

[0053] Reference Figure 2 and Figure 3 The purification part 63 is provided with four groups, and the four groups of purification parts 63 correspond to the four groups of power parts 62. The purification part 63 includes a water tank 631 and a spray head 632. The water tank 631 is rectangular and vertically arranged. The water tank 631 is fixedly connected to the inner wall of the dust cover 61 and is located above the second telescopic rod 622. The bottom end of the water tank 631 is connected to the rodless cavity of the second telescopic rod 622 through a guide pipe, and water flows through the guide pipe.

[0054] A first slide plate 6311 is slidably connected in the water tank 631, and the first slide plate 6311 is located above the connection between the guide pipe and the water tank 631. A second slide plate 6312 is slidably connected in the water tank 631, and the second slide plate 6312 is located above the first slide plate 6311. The sliding directions of the first slide plate 6311 and the second slide plate 6312 are both vertical directions.

[0055] The water tank 631 is connected with a water inlet pipe 6313, which is located outside the dust cover 61. A water stop valve is provided on the water inlet pipe 6313. A sliding rod 6314 is fixedly connected to the side of the second slide plate 6312 away from the first slide plate 6311, and the sliding rod 6314 is slidably arranged on the top surface of the water tank 631.

[0056] The four sliding rods 6314 are fixedly connected to a collection box 6315 at one end away from the second slide plate 6312. The collection box 6315 is located on the outside of the water tank 631 and is open on the side away from the water tank 631. The collection box 6315 is in a rectangular ring shape and is slidably connected to the dust cover 61.

[0057] The spray head 632 is fixedly connected to the top of the dust cover 61, and a spray pipe 633 is connected between the spray head 632 and the water tank 631. The connection between the spray pipe 633 and the water tank 631 is located between the first slide 6311 and the second slide 6312. A medium flows between the spray head 632 and the water tank 631 through the spray pipe 633. In this embodiment, the medium is water.

[0058] When in use, the push plate 35 pushes the support platform 41 to move upward, and the water in the rod cavity where the second movable end of the double-headed telescopic rod 421 is located enters the rodless cavity of the first telescopic rod 621, and the water squeezes the movable end of the first telescopic rod 621 to move, and the movable end of the first telescopic rod 621 pushes the movable end of the second telescopic rod 622 to move, and the water in the rodless cavity of the second telescopic rod 622 enters the water tank 631 through the guide pipe, and the water pushes the first slide plate 6311 to move, and the first slide plate 6311 squeezes the water in the water tank 631 to the spray head 632, and the spray head 632 sprays water, so that dust is easy to adhere to the medium, and it is convenient to clean the inner wall of the dust cover 61, thereby further facilitating the cleaning of dust, thereby improving the dust removal effect of the device.

[0059] The implementation principle of the sand and gravel vibration instrument for experiments in the embodiment of the present application is as follows: the output shaft of the motor 31 drives the incomplete gear 32 to rotate, the incomplete gear 32 drives the transmission rack 34 to move, the transmission rack 34 drives the travel frame 33 to move upward, the travel frame 33 drives the push plate 35 to move upward, the push plate 35 pushes the support platform 41 to move, the support platform 41 drives the driving gear 423 to move, the spur rack 422 drives the driving gear 423 to rotate, the driving gear 423 drives the first bevel gear 431 to rotate, the first bevel gear 431 drives the second bevel gear 432 to rotate, the second bevel gear 432 drives the limit block 434 to rotate, the limit block 434 squeezes the other side of the guide inclined surface of the locking block 4333, the limit block 434 pushes the locking block 4333 to rotate, the locking block 4333 drives the rotating shaft 433 to rotate, and the rotating shaft 433 drives the cam 435 to rotate; When the tip of the cam 435 rotates to the baffle 443 position, the cam 435 abuts against the baffle 443 and pushes the baffle 443 to rotate, the baffle 443 drives the rotating seat 442 to rotate, and the rotating seat 442 drives the edge end of the coil spring 441 to rotate. When the tip of the cam 435 rotates away from the baffle 443 position, the cam 435 disengages from the baffle 443, the coil spring 441 drives the rotating seat 442 to rotate in the opposite direction and reset, and the rotating seat 442 drives the vibrating screen 2 to reciprocate, so that the sand and gravel can be vibrated and screened in the vertical direction and the circumferential direction at the same time. At the same time, the water in the rod cavity where the second movable end of the double-headed telescopic rod 421 is located enters the rodless cavity of the first telescopic rod 621, and the water squeezes the movable end of the first telescopic rod 621 to move, and the movable end of the first telescopic rod 621 pushes the movable end of the second telescopic rod 622 to move, and the water in the rodless cavity of the second telescopic rod 622 enters the water tank 631 through the guide pipe, and the water pushes the first slide plate 6311 to move, and the first slide plate 6311 squeezes the water in the water tank 631 to the spray head 632, and the spray head 632 sprays the water, so that the dust is easy to adhere to the medium, so that the sand and gravel are easy to be further screened, thereby improving the screening efficiency of the vibrating screen 2.

[0060] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. An experimental sand and gravel vibration instrument, characterized in that: The invention comprises a chassis (1), a vibrating screen (2), a driving assembly (3) and a vibrating assembly (4); the driving assembly (3) is arranged in the chassis (1) and is used to drive the vibrating screen (2) to vibrate and screen in a vertical direction; the vibrating assembly (4) comprises a support platform (41), a driving part (42), a driven part (43) and a rotating part (44); the support platform (41) is connected to the chassis (1), and the vibrating screen (2) is connected to the support platform (41); the driving part (42) is arranged in the support platform (41) and is used to drive the driven part (43) to rotate; the driven part (43) is arranged on the driving part (42), and the rotating part (44) is arranged on the support platform (41); the driven part (43) is used to drive the rotating part (44) to drive the vibrating screen (2) to rotate and screen in a circumferential direction.

2. The experimental sandstone vibration instrument according to claim 1, characterized in that: The support platform (41) is hollow inside; the driving part (42) comprises a double-headed telescopic rod (421), a spur rack (422) and a driving gear (423); the double-headed telescopic rod (421) is fixedly connected to the support platform (41); the movable ends of the double-headed telescopic rod (421) are respectively a first movable end and a second movable end in a vertical downward direction; the first movable end and the second movable end of the double-headed telescopic rod (421) share a piston; the second movable end of the double-headed telescopic rod (421) is slidably disposed on the support platform (41); , and the sliding direction is the vertical direction; the second movable end of the double-headed telescopic rod (421) is fixedly connected to the chassis (1), and the first movable end of the double-headed telescopic rod (421) is located in the support platform (41); the spur rack (422) is fixedly connected to the first movable end of the double-headed telescopic rod (421), and the axial direction of the spur rack (422) is the same as the axial direction of the double-headed telescopic rod (421); the driving gear (423) is meshed with the spur rack (422) and is rotationally connected to the support platform (41).

3. The sandstone vibration instrument for experiments according to claim 2, characterized in that: The driven part (43) comprises a first bevel gear (431) and a second bevel gear (432), wherein the first bevel gear (431) is coaxially fixedly connected to the driving gear (423), and the second bevel gear (432) is meshed with the first bevel gear (431) and is rotationally connected to the support platform (41); the second bevel gear (432) is coaxially rotationally connected to a rotating shaft (433), the rotating shaft (433) is passed through the support platform (41) and is rotationally connected to the support platform (41); a limiting block (434) is fixedly connected to a tooth surface of the second bevel gear (432) away from the first bevel gear (431); the rotating shaft ( A limiting groove (4331) is provided on one end of the rotating shaft (433) close to the second bevel gear (432), and the bottom of the limiting groove (4331) is fixedly connected to a limiting spring (4332); one end of the limiting spring (4332) away from the bottom of the limiting groove (4331) is fixedly connected to a locking block (4333), and the locking block (4333) is located on one side of the limiting block (434), and a guiding inclined surface is provided on one side of the locking block (4333); one end of the rotating shaft (433) away from the second bevel gear (432) is coaxially fixedly connected to a cam (435), and the cam (435) is located on the outside of the support platform (41).

4. The experimental sandstone vibration instrument according to claim 3, characterized in that: The rotating part (44) comprises a coil spring (441) and a rotating seat (442); the central end of the coil spring (441) is fixedly connected to the support platform (41), and the edge end is fixedly connected to the edge of the rotating seat (442); the rotating seat (442) is rotatably connected to the support platform (41); a baffle (443) is fixedly connected to one side of the rotating seat (442), and the baffle (443) is located on one side of the cam (435); the vibrating screen (2) is detachably connected to one end of the rotating seat (442) away from the coil spring (441).

5. The experimental sandstone pendulum instrument according to claim 1, characterized in that: The driving assembly (3) comprises a motor (31), an incomplete gear (32) and a travel frame (33), wherein the motor (31) is fixedly connected to the chassis (1), and the incomplete gear (32) is coaxially fixedly connected to the output shaft of the motor (31); the travel frame (33) is located below the support platform (41) and is slidably connected to the chassis (1), and the sliding direction of the travel frame (33) is a vertical direction; transmission racks (34) are fixedly connected to both sides of the travel frame (33), and the two transmission racks (34) are arranged opposite to each other, and the incomplete gear (32) is located between the two transmission racks (34) and meshes with one of the transmission racks (34); a push plate (35) is fixedly connected to the travel frame (33), and the push plate (35) is located at one end of the travel frame (33) close to the support platform (41).

6. The experimental sandstone pendulum instrument according to claim 2, characterized in that: The invention also comprises a dust removal component (6), the dust removal component (6) comprising a dust cover (61), a power unit (62) and a purification unit (63), the dust cover (61) being detachably connected to the chassis (1) and being arranged on the support platform (41); the power unit (62) comprising a first telescopic rod (621) and a second telescopic rod (622), the first telescopic rod (621) being fixedly connected to the support platform (41), the movable end of the first telescopic rod (621) being arranged in a direction close to the dust cover (61), the rodless cavity of the first telescopic rod (621) being connected to the rod cavity where the second movable end of the double-headed telescopic rod (421) is located; the fixed end of the second telescopic rod (622) being fixedly connected to the dust cover (61), and the movable end being arranged in a direction close to the first telescopic rod (621); the purification unit (63) being arranged on the dust cover (61) and being used for absorbing dust in the dust cover (61).

7. The experimental sandstone pendulum instrument according to claim 6, characterized in that: The purification unit (63) comprises a water tank (631) and a spray head (632); the water tank (631) is fixedly connected to the dust cover (61) and is located above the second telescopic rod (622); the water tank (631) is in communication with the rodless cavity of the second telescopic rod (622); a first slide plate (6311) is slidably connected inside the water tank (631); the first slide plate (6311) is located on one side of the water tank (631) close to the connection between the rodless cavity of the second telescopic rod (622) and the water tank (631); the spray head (632) is fixedly connected to one end of the dust cover (61) away from the chassis (1); a spray pipe (633) is in communication between the spray head (632) and the water tank (631), and a medium flows through the two through the spray pipe (633).

8. The experimental sandstone pendulum instrument according to claim 4, characterized in that: The invention also comprises a fixing assembly (5), wherein the fixing assembly (5) comprises a fixing bolt (51), a fixing frame (52) and a fixing nut (53); one end of the fixing bolt (51) is detachably connected to the baffle (443); the axial direction of the fixing bolt (51) is arranged parallel to the axial direction of the vibrating screen (2); one end of the fixing frame (52) is slidably sleeved on the fixing bolt (51) and is in close contact with the vibrating screen (2); the fixing nut (53) is threadedly connected to the fixing bolt (51) and is located on a side of the fixing frame (52) away from the baffle (443).

9. The experimental sandstone pendulum instrument according to claim 5, characterized in that: A plurality of the incomplete gears (32) are provided, and the plurality of the incomplete gears (32) are arranged along the output shaft of the motor (31); a plurality of the travel frames (33) are also provided, and the plurality of the travel frames (33) correspond one-to-one to the plurality of the incomplete gears (32).

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