CN217164607U

CN217164607U - Crushing and screening device for road and bridge construction

Info

Publication number: CN217164607U
Application number: CN202123303693.6U
Authority: CN
Inventors: 郝薇; 彭强; 季连和; 陈腾达; 林森
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-12-24
Filing date: 2021-12-24
Publication date: 2022-08-12
Anticipated expiration: 2031-12-24

Abstract

The utility model discloses a broken screening plant is used in road bridge construction relates to road bridge construction technical field. The utility model discloses an equal open-ended box and motor in top and bottom, install the chamber door on the box lateral wall, install the first broken mechanism of interval adjustable and the broken mechanism of second in the box, it is right to install on the lateral wall of box the broken mechanism of second carries out spacing elastic mechanism, the bar mouth has been seted up on the box inner wall. The utility model discloses well first broken mechanism and the broken mechanism of second mutually support and can carry out the breakage to massive grit effectively, and interval between first broken mechanism and the broken mechanism of second can be adjusted in addition, and the staff can break out suitable size with the grit according to actual need, the utility model provides a screening board can be effectively screened the grit after the breakage, and wherein vibrating mechanism and canceling release mechanical system mutually support and make the reciprocal shock of screening board, and then make the screening hole on the screening board obtain dredging.

Description

Crushing and screening device for road and bridge construction

Technical Field

The utility model relates to a road bridge construction technical field, concretely relates to broken screening plant is used in road bridge construction.

Background

The great grit of some sizes is broken and is sieved often need in the road bridge work progress, and then need use broken screening plant, general broken screening plant, and its broken effect can not be adjusted according to staff's demand, and the screening structure on it is easy to be blockked up to make its screening effect not good, design a broken screening plant for the road bridge construction for this reason and solve this problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: for solving crushing and screening device screening effect not good and can not adjust the problem of broken thing size as required, the utility model provides a crushing and screening device is used in road bridge construction.

The utility model discloses a realize above-mentioned purpose and specifically adopt following technical scheme:

the utility model provides a broken screening plant is used in road and bridge construction, includes top and the equal open-ended box in bottom and motor, install the chamber door on the box lateral wall, install the first broken mechanism of interval adjustable and the broken mechanism of second in the box, it is right to install on the lateral wall of box the broken mechanism of second carries out spacing elastic mechanism, the bar mouth has been seted up on the box inner wall, it has the mounting panel to articulate in the bar mouth, demountable installation has the screening board on the mounting panel, install the mediation in the box vibration mechanism and the canceling release mechanical system of screening board, motor fixed mounting in on the box, it does vibration mechanism with first broken mechanism provides power.

Furthermore, first broken mechanism include that one end rotates connect in the pivot in the box, the one end of pivot rotates run through the box and with the output shaft end fixed connection of motor, be located cup joint the crushing roller on the pivot in the box.

Further, be equipped with trapezoidal spout on the inner wall of box, the broken mechanism of second include sliding connection in trapezoidal slider in the trapezoidal spout, the one end fixedly connected with triangle crushing board of trapezoidal slider.

Further, triangle breaker plate one end is equipped with a plurality of spacing slots, elastic mechanism include fixed connection in connecting block on the box lateral wall, connecting block one end is equipped with the shifting chute, sliding connection has to insert and locates one of them spacing picture peg in the spacing slot, spacing picture peg is kept away from the one end of spacing slot with the same first spring of fixedly connected with between the shifting chute, it has fixed connection in to slide to run through in the shifting chute pull rod on the spacing picture peg, the pull rod is kept away from the one end fixedly connected with of spacing picture peg draws the piece.

Further, the vibration mechanism runs through including rotating the rotation post of box, the rotation post is located partial fixedly connected with cam in the box, the rotation post is located the outer part of box with equal fixedly connected with belt pulley on the output shaft of motor, two connect through belt transmission between the belt pulley.

Further, the reset mechanism comprises a guide plate fixedly connected in the box body, and a plurality of second springs are fixedly connected to the lower end of the guide plate.

Furthermore, one end of the mounting plate is provided with a mounting groove, one end of the screening plate is inserted into the mounting groove and connected with the inside of the mounting groove, the screening plate is provided with a jack, and a bolt inserted into the jack is arranged on the top of the mounting groove in a penetrating mode through threads.

The utility model has the advantages as follows:

1. the utility model discloses well first broken mechanism and the broken mechanism of second mutually support and can carry out the breakage to massive grit effectively, and interval between first broken mechanism and the broken mechanism of second can be adjusted in addition, and then the staff of being convenient for breaks out suitable size with the grit according to actual need.

2. The utility model provides a screening board can be sieved the grit after the breakage effectively, and wherein vibration mechanism and canceling release mechanical system mutually support and make the reciprocal shock of screening board, and then make the screening hole on the screening board obtain the mediation, and the mounting means of screening board is convenient for the staff to change it in addition.

Drawings

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

fig. 2 is a top view of the present invention;

fig. 3 is a sectional view taken along a-a of fig. 2 according to the present invention.

Reference numerals: 1. a box body; 2. a motor; 3. a first crushing mechanism; 31. a rotating shaft; 32. a crushing roller; 4. a second crushing mechanism; 41. a trapezoidal slider; 42. a triangular crushing plate; 5. an elastic mechanism; 51. connecting blocks; 52. a limiting inserting plate; 53. a first spring; 54. a pull rod; 55. pulling the block; 6. mounting a plate; 7. a screening plate; 8. a vibration mechanism; 81. rotating the column; 82. a cam; 9. a reset mechanism; 91. a guide plate; 92. a second spring; 10. a belt pulley; 11. a bolt; 12. and (4) a box door.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention.

As shown in fig. 1, 2 and 3, a crushing and screening device for road and bridge construction comprises a box body 1 and a motor 2 with openings at the top and the bottom, a box door 12 is installed on the side wall of the box body 1, it is to be noted that a plurality of supporting legs are fixedly connected to the lower end of the box body 1, a first crushing mechanism 3 and a second crushing mechanism 4 with adjustable distance are installed in the box body 1, an elastic mechanism 5 for limiting the second crushing mechanism 4 is installed on the side wall of the box body 1, a bar-shaped opening is formed on the inner wall of the box body 1, a mounting plate 6 is hinged in the bar-shaped opening, a screening plate 7 is detachably installed on the mounting plate 6, a vibrating mechanism 8 and a resetting mechanism 9 for dredging the screening plate 7 are installed in the box body 1, the motor 2 is fixedly installed on the box body 1 and provides power for the vibrating mechanism 8 and the first crushing mechanism 3, particularly when in use, a worker can start the motor 2 to work, the motor 2 is started to drive the first crushing mechanism 3 and the vibrating mechanism 8 to work, then, the operator can pour sand and stone from the top of the box body 1 along the second crushing mechanism 4, the poured sand and stone are crushed under the mutual matching of the first crushing mechanism 3 and the second crushing mechanism 4, the crushed sand and stone fall onto the screening plate 7, the screening plate 7 can effectively screen the crushed sand and stone, the qualified crushed sand and stone are discharged from the lower outlet of the box body 1, the unqualified crushed sand and stone are discharged from the strip-shaped opening on the box body 1, in addition, the distance between the first crushing mechanism 3 and the second crushing mechanism 4 can be adjusted, the operator can crush the sand and stone with proper size by adjusting the distance between the first crushing mechanism 3 and the second crushing mechanism 4, wherein the vibrating mechanism 8 and the resetting mechanism 9 can effectively enable the screening plate 7 to vibrate up and down in a reciprocating manner, and then make the piece that blocks up in screening board 7 screening hole vibrate out to dredge screening board 7 effectively, the mounting means of screening board 7 is convenient for the staff and is changed it, and the design of this device has solved the problem that crushing and screening device screening effect is not good and can not adjust broken thing size as required.

As shown in fig. 2 and 3, in some embodiments, the first crushing mechanism 3 includes a rotating shaft 31 having one end rotatably connected to the inside of the box 1, one end of the rotating shaft 31 rotatably penetrates through the box 1 and is fixedly connected to the end of the output shaft of the motor 2, and a crushing roller 32 is sleeved on the rotating shaft 31 inside the box 1, and when the motor 2 is started, the rotating shaft 31 is driven to rotate, so that the crushing roller 32 rotates synchronously.

As shown in fig. 2 and fig. 3, in some embodiments, a trapezoidal sliding groove is formed on the inner wall of the box body 1, the second crushing mechanism 4 includes a trapezoidal sliding block 41 slidably connected in the trapezoidal sliding groove, one end of the trapezoidal sliding block 41 is fixedly connected with a triangular crushing plate 42, it should be noted that a plurality of uniformly distributed crushing teeth are respectively configured on the crushing roller 32 and the triangular crushing plate 42, after the motor 2 is started, the crushing roller 32 rotates, the operator can pour sand and stone to be crushed along the triangular crushing plate 42, and then the crushing roller 32 and the crushing teeth on the triangular crushing plate 42 cooperate with each other to crush the poured sand and stone.

As shown in fig. 2 and 3, in some embodiments, one end of the triangular crushing plate 42 is provided with a plurality of limiting slots, the elastic mechanism 5 comprises a connecting block 51 fixedly connected to the side wall of the box body 1, one end of the connecting block 51 is provided with a moving slot, a limiting inserting plate 52 inserted into one of the limiting slots is slidably connected to the moving slot, the same first spring 53 is fixedly connected between the end of the limiting inserting plate 52 far away from the limiting slot and the moving slot, a pull rod 54 fixedly connected to the limiting inserting plate 52 slidably penetrates through the moving slot, and one end of the pull rod 54 far away from the limiting inserting plate 52 is fixedly connected to a pull block 55, when a worker needs to adjust the distance between the first crushing mechanism 3 and the second crushing mechanism 4, the pull block 55 can be pulled until the limiting inserting plate 52 is removed from the limiting slot, and then the worker can move the triangular crushing plate 42 upwards or downwards, when the distance between the triangular crushing plate 42 and the crushing roller 32 is adjusted to a proper size, the worker can insert the limiting insertion plate 52 into the limiting insertion slot at a proper position.

As shown in fig. 2 and 3, in some embodiments, the vibrating mechanism 8 includes a rotating column 81 rotatably penetrating through the box body 1, a cam 82 is fixedly connected to a portion of the rotating column 81 located inside the box body 1, a belt pulley 10 is fixedly connected to an output shaft of the motor 2 and a portion of the rotating column 81 located outside the box body 1, the two belt pulleys 10 are in transmission connection with each other through a belt, when the motor 2 is started, the rotating column 81 is driven to rotate through transmission between the belt pulley 10 and the belt, the rotating column 81 rotates to drive the cam 82 thereon to rotate, when a convex end of the cam 82 rotates to the sieving plate 7, the cam can effectively push up one end of the sieving plate 7, when the convex end of the cam 82 is separated from the sieving plate 7, the sieving plate 7 moves downward under the action of gravity and the reset mechanism 9 thereon, and under the cooperation of the vibrating mechanism 8 and the reset mechanism 9, one end of the sieving plate 7 oscillates up and down, thereby vibrating out the fragments blocked in the screening holes.

As shown in fig. 2 and 3, in some embodiments, the returning mechanism 9 includes a guide plate 91 fixedly connected to the inside of the box 1, and a plurality of second springs 92 are fixedly connected to the lower end of the guide plate 91, it should be noted that the guide plate 91 is disposed between the triangular crushing plate 42 and the sieving plate 7, and can effectively guide crushed sand onto the sieving plate 7, and in addition, when the sieving plate 7 moves upwards, it presses the second springs 92, and when the cam 82 is separated from the sieving plate 7, the second springs 92 can elastically return, so that the sieving plate 7 moves downwards.

As shown in fig. 2 and 3, in some embodiments, one end of the mounting plate 6 is provided with a mounting groove, one end of the screening plate 7 is inserted into the mounting groove, the screening plate 7 is provided with a jack, a bolt 11 inserted into the jack is threaded through the top of the mounting groove, when a worker needs to replace the screening plate 7, the worker can open the box door 12, then the bolt 11 is rotated to move the screening plate 7 out of the jack, after the bolt 11 is screwed out, the worker can move the screening plate 7 out of the mounting groove, then the worker can insert a new screening plate 7 into the mounting groove, and finally the bolt 11 is rotated to insert the new screening plate 7 into the jack.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A crushing and screening device for road and bridge construction comprises a box body (1) with openings at the top and the bottom and a motor (2), wherein a box door (12) is arranged on the side wall of the box body (1), it is characterized in that a first crushing mechanism (3) and a second crushing mechanism (4) with adjustable distance are arranged in the box body (1), an elastic mechanism (5) for limiting the second crushing mechanism (4) is arranged on the side wall of the box body (1), a strip-shaped opening is arranged on the inner wall of the box body (1), a mounting plate (6) is hinged in the strip-shaped opening, the screening plate (7) is detachably mounted on the mounting plate (6), a vibrating mechanism (8) and a resetting mechanism (9) for dredging the screening plate (7) are mounted in the box body (1), the motor (2) is fixedly mounted on the box body (1), which provides power for the vibration mechanism (8) and the first crushing mechanism (3).

2. The crushing and screening device for road and bridge construction according to claim 1, wherein the first crushing mechanism (3) comprises a rotating shaft (31) with one end rotatably connected in the box body (1), one end of the rotating shaft (31) rotatably penetrates through the box body (1) and is fixedly connected with the tail end of the output shaft of the motor (2), and a crushing roller (32) is sleeved on the rotating shaft (31) in the box body (1).

3. The crushing and screening device for road and bridge construction according to claim 1, wherein a trapezoidal sliding groove is formed in the inner wall of the box body (1), the second crushing mechanism (4) comprises a trapezoidal sliding block (41) which is slidably connected in the trapezoidal sliding groove, and one end of the trapezoidal sliding block (41) is fixedly connected with a triangular crushing plate (42).

4. The crushing and screening device for road and bridge construction according to claim 3, wherein one end of the triangular crushing plate (42) is provided with a plurality of limiting slots, the elastic mechanism (5) comprises a connecting block (51) fixedly connected to the side wall of the box body (1), one end of the connecting block (51) is provided with a moving groove, one of the limiting slots is provided with a limiting insertion plate (52), the limiting insertion plate (52) is far away from one end of the limiting slot and the same first spring (53) fixedly connected between the moving grooves, a pull rod (54) fixedly connected to the limiting insertion plate (52) penetrates through the moving groove, and the pull rod (54) is far away from one end of the limiting insertion plate (52) and is fixedly connected with a pull block (55).

5. The crushing and screening device for road and bridge construction according to claim 1, wherein the vibrating mechanism (8) comprises a rotating column (81) which penetrates through the box body (1) in a rotating mode, a cam (82) is fixedly connected to a part, located in the box body (1), of the rotating column (81), a belt pulley (10) is fixedly connected to a part, located outside the box body (1), of the rotating column (81) and an output shaft of the motor (2), and the two belt pulleys (10) are connected through a belt in a transmission mode.

6. The crushing and screening device for road and bridge construction according to claim 1, wherein said reset mechanism (9) comprises a guide plate (91) fixedly connected in said box body (1), and a plurality of second springs (92) are fixedly connected to the lower end of said guide plate (91).

7. The crushing and screening device for road and bridge construction according to claim 1, wherein one end of the mounting plate (6) is provided with a mounting groove, one end of the screening plate (7) is inserted and connected in the mounting groove, the screening plate (7) is provided with a jack, and a bolt (11) inserted and arranged in the jack is threaded through the top of the mounting groove.