CN214439867U

CN214439867U - Broken sieving mechanism of recycled concrete

Info

Publication number: CN214439867U
Application number: CN202023106584.0U
Authority: CN
Inventors: 林创新
Original assignee: Dongguan Jianye Concrete Co ltd
Current assignee: Dongguan Jianye Concrete Co ltd
Priority date: 2020-12-19
Filing date: 2020-12-19
Publication date: 2021-10-22
Anticipated expiration: 2030-12-19

Abstract

The application relates to the field of concrete processing equipment, in particular to a recycled concrete crushing and screening device which comprises a box body, a mounting frame, a lifting plate, a plurality of universal wheels and a driving mechanism, wherein the box body is provided with a plurality of vertical rods; the improved lifting box is characterized in that a plurality of supporting legs are fixedly arranged on the box body, the mounting frame is fixedly arranged on the box body, the lifting plate is arranged on the mounting frame in a sliding mode, the universal wheels are fixedly arranged on the lifting plate, and the driving mechanism is used for driving the lifting plate to slide along the vertical direction. This application is convenient for staff's transport concrete crushing and screening device.

Description

Broken sieving mechanism of recycled concrete

Technical Field

The application relates to the field of concrete processing equipment, in particular to a recycled concrete crushing and screening device.

Background

At present, the concrete crusher is also called as a jaw crusher, is suitable for metallurgy, mine, building, chemical engineering, water conservancy and railway departments, and is used for various ores and rocks with fine crushing and medium crushing compressive strength below 250 Mpa. The method has the characteristics of large crushing ratio, uniform granularity of finished products, low power consumption, convenient maintenance and the like.

Chinese patent with application publication number CN107597272A in the related art discloses a concrete stone crushing and screening all-in-one machine, which can also be called as a recycled concrete crushing and screening device, and comprises a box body, a collecting box, a partition plate, a box door, a first handle, a guide plate, a screening device, a crushing box and a crushing device, wherein a first opening is formed in the lower side of the left wall of the box body, the collecting box and the partition plate are arranged at the bottom in the box body, the collecting box is positioned on the left side of the partition plate, the guide plate is arranged in the middle of the left wall of the partition plate, the screening device is arranged on the partition plate, the box door is rotatably connected with the right wall of the collecting box, the first handle is arranged on the box door, the crushing box is arranged on the left side of the top of the box body, a third opening is formed in the bottom of the crushing box, a second opening is formed in the left side of the top of the box body, the second opening is positioned under the third opening, and the crushing device is arranged in the crushing box.

In view of the above-mentioned related art, the applicant has found the following drawbacks in the course of working: the concrete screening device is supported only by the box body, the wheels are not arranged on the lower surface of the box body, the weight of the concrete crushing and screening device is generally heavy, when the concrete crushing and screening device needs to be carried, the concrete crushing and screening device only needs to be carried by manpower, time and labor are wasted, and safety accidents easily occur in the carrying process; when a large-sized concrete automatic batching system is carried, a crane is still started, but when the concrete automatic batching system is positioned indoors, the crane cannot enter the indoor space due to too large volume, so that the carrying is inconvenient, and therefore improvement is needed.

SUMMERY OF THE UTILITY MODEL

For the convenience of staff's transport broken sieving mechanism of concrete, this application provides a broken sieving mechanism of recycled concrete.

The application provides a broken sieving mechanism of recycled concrete adopts following technical scheme:

a recycled concrete crushing and screening device comprises a box body, a mounting frame, a lifting plate, a plurality of universal wheels and a driving mechanism; the improved lifting box is characterized in that a plurality of supporting legs are fixedly arranged on the box body, the mounting frame is fixedly arranged on the box body, the lifting plate is arranged on the mounting frame in a sliding mode, the universal wheels are fixedly arranged on the lifting plate, and the driving mechanism is used for driving the lifting plate to slide along the vertical direction.

Through adopting above-mentioned technical scheme, when the staff need carry broken sieving mechanism, slide downwards through actuating mechanism drive lifter plate, the lifter plate drives a plurality of universal wheel simultaneously and slides downwards to make the universal wheel slide to the bottom of supporting legs, the staff is through promoting the box, and the box drives the gyro wheel and rolls on ground, compares in background art, has improved staff's the efficiency of carrying broken sieving mechanism.

Optionally, the mounting frame includes two support rods, a first connecting rod and a second connecting rod, top ends of the two support rods are fixedly connected to a lower surface of the box body, two ends of the first connecting rod are respectively fixedly connected to side walls of the two support rods, two ends of the second connecting rod are respectively fixedly connected to side walls of the two support rods, and the first connecting rod is located above the second connecting rod; two the bracing piece all wears to locate the lifter plate, the lifter plate with two the bracing piece cooperation of sliding, the lifter plate is located the head rod with between the second connecting rod.

By adopting the technical scheme, when the upper surface of the lifting plate abuts against the lower surface of the first connecting rod in the upward sliding process of the lifting plate, the first connecting rod can limit the lifting plate to continuously slide upwards; when the lifting plate slides downwards, when the lower surface of the lifting plate abuts against the upper surface of the first connecting rod, the first connecting rod can limit the lifting plate to continuously slide downwards; the first connecting rod and the second connecting rod can limit the sliding stroke of the lifting plate.

Optionally, the driving mechanism comprises two supporting blocks, a first reversing rod, a second reversing rod, a screw rod, a driving piece, a first bevel gear and a second bevel gear which are meshed with each other; the two supporting blocks are fixed on the lower surface of the box body, the first reversing rod penetrates through the first bevel gear, and two ends of the first reversing rod are respectively in rotating connection with the two supporting blocks; the screw rod penetrates through the lifting plate and is in threaded fit with the lifting plate; the top end of the screw rod is rotationally connected with the first connecting rod, and the bottom end of the screw rod is rotationally connected with the second connecting rod; the bottom of the second reversing rod is fixedly connected with the top end of the screw rod, the top end of the second reversing rod penetrates through the second bevel gear, the top end of the second reversing rod is fixedly connected with the second bevel gear, and the driving piece is used for driving the first reversing rod to rotate.

Through adopting above-mentioned technical scheme, it is rotatory through the first reversing bar of driving piece drive, and first reversing bar drives first bevel gear rotatory, and first bevel gear drives second bevel gear rotatory, and second bevel gear drives second reversing bar rotatory, and second reversing bar drives the lead screw rotation, and the lead screw drives the lifter plate and slides along vertical direction, and the lifter plate drives a plurality of universal wheel and slides along vertical direction simultaneously, and the staff of being convenient for adjusts the height of a plurality of universal wheel simultaneously.

Optionally, an end of the first reversing lever is rotatably connected to the supporting block through a first bearing.

Through adopting above-mentioned technical scheme, first bearing has reduced the frictional force between the tip of first switching-over pole and the supporting shoe to make the tip of first switching-over pole easily and take place relative rotation between the supporting shoe.

Optionally, a first fixing portion is fixedly arranged on the side wall of the supporting rod, the upper surface of the first fixing portion abuts against the lower surface of the box body, a first bolt penetrates through the first fixing portion, and the first bolt is in threaded fit with the box body.

Through adopting above-mentioned technical scheme, be fixed in the lower surface of box with first fixed part through first bolt to be fixed in the lower surface of box with the bracing piece, and then be fixed in the lower surface of box with the mounting bracket, increased the convenience that the staff installed and dismantled the mounting bracket.

Optionally, the driving member is a motor, the motor is fixed to the supporting block, and an output shaft of the motor is fixedly connected to an end of the first reversing lever.

Through adopting above-mentioned technical scheme, it is rotatory through the first reversing lever of motor drive, compare in the first reversing lever of artifical manual rotation, labour saving and time saving has improved the efficiency that the staff adjusted the gyro wheel height more.

Optionally, the universal wheel includes fixed block, swivel mount and gyro wheel, the swivel mount rotate set up in on the fixed block, the gyro wheel rotate set up in on the swivel mount, the upper surface butt of fixed block in the lower surface of lifter plate, wear to be equipped with the third bolt on the fixed block, the third bolt with lifter plate screw-thread fit.

By adopting the technical scheme, the fixing block is fixed on the lower surface of the lifting plate through the third bolt, so that the universal wheel is fixed on the lower surface of the lifting plate, and convenience for workers to install and detach the universal wheel is improved; the rotating frame is rotatably connected with the fixed block, and the worker can adjust the advancing direction of the crushing and screening device in the process of carrying the crushing and screening device.

Optionally, the rotating frame is rotatably provided with a brake block.

Through adopting above-mentioned technical scheme, after the staff carried broken sieving mechanism to appointed place, through rotatory brake block to make brake block butt in the surface of gyro wheel, the brake block has the fixed action to the gyro wheel, can restrict the gyro wheel and continue to roll.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when workers need to carry the crushing and screening device, the lifting plate is driven by the driving mechanism to slide downwards, the lifting plate drives the universal wheels to slide downwards at the same time, so that the universal wheels slide to the bottom ends of the supporting legs, the workers push the box body, and the box body drives the rollers to roll on the ground, so that the efficiency of the workers for carrying the crushing and screening device is improved compared with the background technology;

2. the first reversing rod is driven to rotate by the driving piece, the first reversing rod drives the first bevel gear to rotate, the first bevel gear drives the second bevel gear to rotate, the second reversing rod drives the second reversing rod to rotate, the second reversing rod drives the screw rod to rotate, the screw rod drives the lifting plate to slide along the vertical direction, the lifting plate drives the universal wheels to slide along the vertical direction simultaneously, and therefore workers can adjust the heights of the universal wheels simultaneously;

3. the first fixing part is fixed on the lower surface of the box body through the first bolt, so that the supporting rod is fixed on the lower surface of the box body, the mounting frame is fixed on the lower surface of the box body, and convenience of installation and detachment of the mounting frame for workers is improved.

Drawings

Fig. 1 is a schematic structural diagram of a recycled concrete crushing and screening device in an embodiment of the application.

Fig. 2 is a partially enlarged view of a portion a in fig. 1.

Description of reference numerals: 1. a box body; 11. supporting legs; 2. a mounting frame; 21. a support bar; 211. a first fixed part; 212. a first bolt; 22. a first connecting rod; 23. a second connecting rod; 3. a lifting plate; 31. a sliding hole; 4. a drive mechanism; 41. a support block; 411. a second fixed part; 412. a second bolt; 42. a first reversing lever; 421. a first bearing; 43. a second reversing lever; 44. a first bevel gear; 45. a second bevel gear; 46. a screw rod; 461. a second bearing; 462. a third bearing; 47. a motor; 5. a universal wheel; 51. a fixed block; 511. a third bolt; 52. a rotating frame; 521. a rotating tank; 522. a brake block; 5221. a rotating part; 5222. an abutting portion; 52221. an arc-shaped slot; 53. and a roller.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses broken sieving mechanism of recycled concrete. Referring to fig. 1, the recycled concrete crushing and screening device comprises a box body 1, a mounting frame 2, a lifting plate 3, a plurality of universal wheels 5 and a driving mechanism 4. The fixed a plurality of supporting legs 11 that is provided with on box 1, mounting bracket 2 is fixed to be set up in the lower surface of box 1, and lifter plate 3 slides and sets up on mounting bracket 2, and on a plurality of universal wheel 5 all was fixed in lifter plate 3, actuating mechanism 4 was used for driving lifter plate 3 and slides along vertical direction.

The box body 1 is in a cuboid shape, and the horizontal section of the box body 1 is in a rectangular shape. In this embodiment, the number of the supporting legs 11 is four, the four supporting legs 11 are all rectangular solids, the length directions of the four supporting legs 11 are all vertical directions, and the top ends of the four supporting legs 11 are all welded to the lower surface of the box body 1.

The mounting rack 2 comprises two support rods 21, a first connecting rod 22 and a second connecting rod 23, and the support rods 21, the first connecting rod 22 and the second connecting rod 23 are all cuboid in shape. The length directions of the two support rods 21 are vertical directions, and the top ends of the two support rods 21 are fixedly connected with the lower surface of the box body 1. The length directions of the first connecting rod 22 and the second connecting rod 23 are both horizontal directions, the first connecting rod 22 and the second connecting rod 23 are parallel to each other, and the first connecting rod 22 is located above the second connecting rod 23. Two ends of the first connecting rod 22 are respectively welded to the side walls of the two support rods 21, and two ends of the second connecting rod 23 are respectively fixedly connected to the side walls of the two support rods 21. Two sliding holes 31 are formed in the upper surface of the lifting plate 3, the two support rods 21 penetrate through the two sliding holes 31 respectively, the lifting plate 3 is in sliding fit with the two support rods 21, and the lifting plate 3 is located between the first connecting rod 22 and the second connecting rod 23. With such an arrangement, in the process of upward sliding of the lifting plate 3, when the upper surface of the lifting plate 3 abuts against the lower surface of the first connecting rod 22, the first connecting rod 22 can limit the lifting plate 3 from continuously sliding upward; in the process that the lifting plate 3 slides downwards, when the lower surface of the lifting plate 3 abuts against the upper surface of the first connecting rod 22, the first connecting rod 22 can limit the lifting plate 3 to continuously slide downwards; the first and second connecting

rods

22 and 23 may limit the sliding stroke of the lifting plate 3.

In order to increase the convenience of staff's installation and dismantlement bracing piece 21, two relative lateral walls of every bracing piece 21 are all fixed and are provided with first fixed part 211, and the shape of first fixed part 211 is the cuboid. The upper surface of the first fixing portion 211 abuts against the lower surface of the box body 1, a first bolt 212 penetrates through each first fixing portion 211, and each first bolt 212 is in threaded fit with the box body 1, so that the first fixing portion 211 is fixed to the lower surface of the box body 1, and the support rod 21 is fixed to the lower surface of the box body 1.

The driving mechanism 4 comprises two supporting blocks 41, a first reversing rod 42, a second reversing rod 43, a screw rod 46, a driving piece, a first bevel gear 44 and a second bevel gear 45 which are meshed with each other; the two supporting blocks 41 are fixed on the lower surface of the box body 1, the first reversing rod 42 passes through the first bevel gear 44, and the two ends of the first reversing rod 42 are rotatably connected with the two supporting blocks 41 through the first bearing 421. The length direction of the screw rod 46 is a vertical direction, the screw rod 46 penetrates through the lifting plate 3, and the screw rod 46 is in threaded fit with the lifting plate 3; the top end of the screw rod 46 is rotatably connected to the first connecting rod 22 through a second bearing 461, and the bottom end of the screw rod 46 is rotatably connected to the second connecting rod 23 through a third bearing 462. The bottom end of the second reversing rod 43 and the top end of the screw rod 46 are integrally formed, the top end of the second reversing rod 43 penetrates through the second bevel gear 45, the top end of the second reversing rod 43 is fixedly connected with the second bevel gear 45, and the driving piece is used for driving the first reversing rod 42 to rotate. In this embodiment, the driving member is a motor 47, the motor 47 is fixed on the supporting block 41, and an output shaft of the motor 47 is fixedly connected with an end of the first reversing lever 42. So set up, it is rotatory to drive first reversing lever 42 through motor 47, first reversing lever 42 drives first bevel gear 44 rotatory, first bevel gear 44 drives second bevel gear 45 rotatory, second bevel gear 45 drives second reversing lever 43 rotatory, second reversing lever 43 drives lead screw 46 rotatory, lead screw 46 drives lifter plate 3 and slides along vertical direction, lifter plate 3 drives a plurality of universal wheel 5 and slides along vertical direction simultaneously, the staff of being convenient for adjusts the height of a plurality of universal wheel 5 simultaneously.

In order to increase the convenience of installing and detaching the supporting block 41 by the worker, the second fixing portion 411 is fixedly arranged on two opposite side walls of each supporting block 41, and the second fixing portion 411 is rectangular. The upper surface of the second fixing portion 411 abuts against the lower surface of the box body 1, a second bolt 412 penetrates through each second fixing portion 411, and each second bolt 412 is in threaded fit with the box body 1, so that the second fixing portion 411 is fixed on the lower surface of the box body 1, and the supporting block 41 is fixed on the lower surface of the box body 1.

In the present embodiment, the universal wheel 5 includes a fixed block 51, a rotating frame 52, and a roller 53. Specifically, the shape of fixed block 51 is the cuboid, and four third bolts 511 wear to be equipped with on the fixed block 51 the lower surface butt in the bottom of lifter, four third bolts 511 all with the bottom screw-thread fit of lifter to be fixed in the fixed block 51 on the lifter. The rotating frame 52 is rotatably connected with the fixed block 51, and the roller 53 is rotatably connected with the rotating frame 52.

After the dust removing apparatus is carried to a designated position, in order to facilitate the worker to fix the caster 5, a brake block 522 for restricting the rotation of the roller 53 is rotatably provided on the rotary frame 52. Specifically, the brake block 522 includes a rotating portion 5221 and an abutting portion 5222 that are integrally formed, the rotating portion 5221 and the abutting portion 5222 are perpendicular to each other, and both the rotating portion 5221 and the abutting portion 5222 have rectangular parallelepiped shapes. The rotating frame 52 is provided with a rotating groove 521, the rotating portion 5221 is mounted in the rotating groove 521, and the rotating portion 5221 is rotatably connected to the rotating frame 52.

In order to increase the rotation angle of the brake pad 522, the end surface of the rotation portion 5221 facing away from the abutment portion 5222 is provided with a rounded corner, so that the contact area between the end surface of the rotation portion 5221 facing away from the abutment portion 5222 and the rotation bracket 52 can be reduced, thereby increasing the rotation angle of the brake pad 522.

When the worker needs to fix the roller 53, the brake block 522 may be rotated so that the end surface of the abutting portion 5222 abuts against the arc-shaped surface of the roller 53. In order to increase the acting force of the abutting portion 5222 on the roller 53, an arc-shaped groove 52221 clamped and matched with the arc-shaped surface of the roller 53 is formed in the end surface of the abutting portion 5222 away from the rotating portion 5221, the arc-shaped groove 52221 can increase the contact area between the abutting portion 5222 and the roller 53, so that the acting force of the abutting portion 5222 on the roller 53 is increased, and the limiting effect of the brake block 522 on the roller 53 is further increased.

The implementation principle of the broken sieving mechanism of recycled concrete of this application embodiment is: when a worker needs to carry the crushing and screening device, the motor 47 drives the first reversing rod 42 to rotate, the first reversing rod 42 drives the first bevel gear 44 to rotate, the first bevel gear 44 drives the second bevel gear 45 to rotate, the second bevel gear 45 drives the second reversing rod 43 to rotate, the second reversing rod 43 drives the screw rod 46 to rotate, the screw rod 46 drives the lifting plate 3 to slide downwards, the lifting plate 3 drives the four universal wheels 5 to slide downwards simultaneously, so that the four universal wheels 5 slide to the bottom ends of the supporting legs 11, and the worker can carry the crushing and screening device conveniently;

when the staff need carry broken sieving mechanism, drive first reversing lever 42 through motor 47 and rotate, first reversing lever 42 drives first bevel gear 44 rotatory, first bevel gear 44 drives second bevel gear 45 rotatory, second bevel gear 45 drives second reversing lever 43 rotatory, second reversing lever 43 drives lead screw 46 rotatory, lead screw 46 drives lifter plate 3 and upwards slides, lifter plate 3 drives four universal wheels 5 and upwards slides simultaneously to make four supporting legss 11 realize the function of stable stay to broken sieving mechanism.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a broken sieving mechanism of recycled concrete which characterized in that: comprises a box body (1), a mounting rack (2), a lifting plate (3), a plurality of universal wheels (5) and a driving mechanism (4); the improved lifting box is characterized in that a plurality of supporting legs (11) are fixedly arranged on the box body (1), the mounting frame (2) is fixedly arranged on the box body (1), the lifting plate (3) is arranged on the mounting frame (2) in a sliding mode, the universal wheels (5) are fixedly arranged on the lifting plate (3), and the driving mechanism (4) is used for driving the lifting plate (3) to slide along the vertical direction.

2. The recycled concrete crushing and screening apparatus according to claim 1, wherein: the mounting rack (2) comprises two support rods (21), a first connecting rod (22) and a second connecting rod (23), the top ends of the two support rods (21) are fixedly connected with the lower surface of the box body (1), the two ends of the first connecting rod (22) are fixedly connected with the side walls of the two support rods (21) respectively, the two ends of the second connecting rod (23) are fixedly connected with the side walls of the two support rods (21) respectively, and the first connecting rod (22) is located above the second connecting rod (23); two bracing piece (21) all wear to locate lifter plate (3), lifter plate (3) and two bracing piece (21) cooperation of sliding, lifter plate (3) are located head rod (22) with between second connecting rod (23).

3. The recycled concrete crushing and screening apparatus according to claim 2, wherein: the driving mechanism (4) comprises two supporting blocks (41), a first reversing rod (42), a second reversing rod (43), a screw rod (46), a driving piece, a first bevel gear (44) and a second bevel gear (45) which are meshed with each other; the two supporting blocks (41) are fixed on the lower surface of the box body (1), the first reversing rod (42) penetrates through the first bevel gear (44), and two ends of the first reversing rod (42) are respectively in rotating connection with the two supporting blocks (41); the screw rod (46) penetrates through the lifting plate (3), and the screw rod (46) is in threaded fit with the lifting plate (3); the top end of the screw rod (46) is rotationally connected with the first connecting rod (22), and the bottom end of the screw rod (46) is rotationally connected with the second connecting rod (23); the bottom end of the second reversing rod (43) is fixedly connected with the top end of the screw rod (46), the top end of the second reversing rod (43) penetrates through the second bevel gear (45), the top end of the second reversing rod (43) is fixedly connected with the second bevel gear (45), and the driving piece is used for driving the first reversing rod (42) to rotate.

4. The recycled concrete crushing and screening apparatus according to claim 3, wherein: the end part of the first reversing rod (42) is rotatably connected with the supporting block (41) through a first bearing (421).

5. The recycled concrete crushing and screening apparatus according to claim 2, wherein: the side wall of the supporting rod (21) is fixedly provided with a first fixing part (211), the upper surface of the first fixing part (211) abuts against the lower surface of the box body (1), a first bolt (212) penetrates through the first fixing part (211), and the first bolt (212) is in threaded fit with the box body (1).

6. The recycled concrete crushing and screening apparatus according to claim 3, wherein: the driving piece is a motor (47), the motor (47) is fixed on the supporting block (41), and an output shaft of the motor (47) is fixedly connected with the end part of the first reversing rod (42).

7. The recycled concrete crushing and screening apparatus according to claim 1, wherein: universal wheel (5) include fixed block (51), swivel mount (52) and gyro wheel (53), swivel mount (52) rotate set up in on fixed block (51), gyro wheel (53) rotate set up in on swivel mount (52), the upper surface butt of fixed block (51) in the lower surface of lifter plate (3), wear to be equipped with third bolt (511) on fixed block (51), third bolt (511) with lifter plate (3) screw-thread fit.

8. The recycled concrete crushing and screening apparatus according to claim 7, wherein: and a brake block (522) is rotatably arranged on the rotating frame (52).