CN113680655A

CN113680655A - Crushing and screening device for road and bridge construction

Info

Publication number: CN113680655A
Application number: CN202110979726.4A
Authority: CN
Inventors: 安改俊; 张娟; 毋晓琛; 曾永亮; 王晓飞
Original assignee: Individual
Current assignee: Shanxi Traffic Planning Survey Design Institute Co Ltd
Priority date: 2021-08-25
Filing date: 2021-08-25
Publication date: 2021-11-23
Anticipated expiration: 2041-08-25
Also published as: CN113680655B

Abstract

The invention is suitable for the field of road and bridge construction, and provides a crushing and screening device for road and bridge construction, which comprises a screening box body and a crushing device, wherein a cover plate is arranged on the screening box body, a conveying pipeline is arranged on the cover plate, the screening box body is communicated with the crushing device through the conveying pipeline, a plurality of screening boxes, a rotating support piece and a rod piece are arranged in the screening box body, a support is arranged on one side, away from the crushing device, of the screening box body, a driving mechanism is arranged on the support, a plurality of first clamping pieces are fixed on the rod piece along the length direction of the rod piece, the rotating support piece is rotatably connected to two sides in the screening box body, and the rotating support pieces on the two sides are connected with the screening boxes through second clamping pieces. The beneficial effects are as follows: through member drive a plurality of sieve box can both carry out the upset motion, guarantee the effect of screening, compare in conventional vibration mode, the noise that the device produced is less, moreover because sieve box both sides are the joint on second joint spare, realized that the sieve box swiftly takes out conveniently.

Description

Crushing and screening device for road and bridge construction

Technical Field

The invention belongs to the field of road and bridge construction, and particularly relates to a crushing and screening device for road and bridge construction.

Background

With the development of society, the infrastructure of traffic is more and more developed, and road and bridge construction is a construction project covering a wider range.

A lot of fillers are needed in the road and bridge construction process, most of the fillers are stones or stones, and in some specific structures, stone fragments with uniform sizes are needed to be filled, so that the stones which are conveyed are often crushed by a crushing and screening device and then screened to obtain uniform stone fragments for filling.

Current crushing and screening device sets up a plurality of screen structures in vertical direction, throw in the building stones after the breakage to the screen structure of the superiors in, then drive each screen structure through vibration mechanism and shake the sieve, make the fragment beat in screen structure, the fragment can not block up screen structure's sieve mesh, make the fragment that satisfies the requirement of sieve mesh aperture fall to one deck screen structure down in, until selecting suitable stone crushed aggregates, and the fragment is continuous beating in screen structure, the impulsive noise who causes is great, and screen structure is fixed usually, when changing or maintaining, dismantle and install comparatively loaded down with trivial details again.

Disclosure of Invention

The embodiment of the invention aims to provide a crushing and screening device for road and bridge construction, and aims to solve the problems of high noise and complex screen maintenance.

The embodiment of the invention is realized in such a way that the crushing and screening device for road and bridge construction comprises a screening box body and a crushing device, wherein a cover plate is arranged on the screening box body, a conveying pipeline is arranged on the cover plate, the screening box body is communicated with the crushing device through the conveying pipeline, a plurality of screen boxes, a rotating support piece and a rod piece are arranged in the screening box body, a support is arranged on one side, far away from the crushing device, of the screening box body, and a driving mechanism is arranged on the support;

a base plate is fixed on one side, opposite to the cover plate, of the screening box body, a rod piece is connected to the base plate in a sliding mode and located on two sides of the screening box, a plurality of first clamping pieces are fixed on the rod piece along the length direction of the rod piece, the rotating support piece is connected to the two sides in the screening box body in a rotating mode, the rotating support piece on the two sides is connected with the screening box body through second clamping pieces, the rod piece is located on the side face of the rotating support piece, the first clamping pieces fixed on the rod piece are clamped on the side face of the rotating support piece in a matched mode, and one end, close to the support, of the rod piece is matched with the driving mechanism;

actuating mechanism is provided with two outputs, and two outputs are used for driving both sides member and remove along self length direction, and both sides member is asynchronous removes, drives through first joint spare and rotates support piece deflection, makes the sieve box carry out reciprocal turn-over motion.

Preferably, the length and the width of the screen box are both larger than the pipe diameter of the conveying pipeline.

Preferably, the support includes frame and backup pad, and the backup pad is fixed in the both sides of frame, and the screening box is fixed in the backup pad, actuating mechanism is including fixing the driving piece in the backup pad, and interval distribution has the pivoted pivot in the backup pad, and the pivot other end is provided with the drive wheel, and the pivot of both sides is supported and is connected through the driving medium, and the driving piece is used for driving the pivot rotation of one side, the drive wheel cooperatees with the one end of member.

Preferably, the driving wheel adopts a cam, and the convex parts of the cams fixed on the rotating shafts at the two sides face back to back.

Preferably, a rolling wheel is fixed at one end of the rod member matched with the driving wheel, and the rolling wheel is matched with the driving wheel.

Preferably, first joint spare is including fixed the lantern ring of cup jointing on the member, and the lantern ring side is fixed with the extension rod, and the other end of extension rod rotates and is connected with the fixture block.

Preferably, rotation support piece adopts the straight board, and one side and the rotation of screening box inner wall of straight board are articulated, and the opposite side and the second joint spare of straight board rotate to be connected.

Preferably, the second clamping piece comprises a clamping plate fixed on the side face of the screen box and a clamping seat rotatably connected with the rotating support piece, a clamping groove is formed in the clamping seat, the clamping plate is located in the clamping groove, and the length of the clamping seat is smaller than that of the clamping plate.

Preferably, a discharge duct is fixed to the pad plate.

Preferably, the screening box body is hinged with a box door in a rotating way.

The crushing and screening device for road and bridge construction provided by the embodiment of the invention has the beneficial effects that: this device is at first thrown with crushed aggregates in the screen box of the top in to the screening box through breaker, then drive both sides member through actuating mechanism and carry out asynchronous motion, when one side member rose, drive the slope of screen box, and when the opposite side member rose, the screen box is the reverse slope again, make and be located the screen box crushed aggregates and roll towards both sides, can guarantee equally that the crushed aggregates can not block up the sieve mesh, and the mode that makes a round trip to roll is compared in the mode noise problem that the sieve jumped of shaking and is obviously improved, make it can fall to downside screen box in, and can both carry out the turnover motion through a plurality of screen box of member drive, guarantee the effect of screening, and because screen box both sides are the joint on second joint spare, realized that the screen box swiftly conveniently takes out.

Drawings

Fig. 1 is a perspective structural view of a crushing and screening device for road and bridge construction according to an embodiment of the present invention;

fig. 2 is a front view of a crushing and screening device for road and bridge construction provided by an embodiment of the invention with the crushing device removed;

FIG. 3 is a side view of FIG. 2;

FIG. 4 is a cross-sectional view taken at A-A of FIG. 3;

FIG. 5 is a perspective view of the internal components of the screening box according to an embodiment of the present invention;

FIG. 6 is a perspective view of the connection between the driving mechanism and the rod assembly according to the embodiment of the present invention;

in the drawings: 1. screening the box body; 2. a crushing device; 3. a cover plate; 4. a delivery conduit; 5. a screen box; 501. a leak hole; 502. a handle; 6. rotating the support member; 7. a rod member; 8. a first clip member; 801. a collar; 802. an extension pole; 803. a clamping block; 9. a second clip member; 901. clamping a plate; 902. a card holder; 10. a support; 1001. a frame; 1002. a support plate; 11. a drive mechanism; 1101. a drive member; 1102. a rotating shaft; 1103. a drive wheel; 1104. a transmission member; 12. a rolling wheel; 13. a base plate; 14. a discharge passage; 15. and (4) a box door.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Specific implementations of the present invention are described in detail below with reference to specific embodiments.

As shown in fig. 1, 4 and 5, a structure of a crushing and screening device for road and bridge construction according to an embodiment of the present invention includes:

screening box 1 and breaker 2 are provided with apron 3 on the screening box 1, are provided with pipeline 4 on the apron 3, and screening box 1 is linked together with breaker 2 through pipeline 4, be provided with a plurality of sieve box 5, rotation support piece 6 and member 7 in the screening box 1, the one side of keeping away from breaker 2 on the screening box 1 is provided with support 10, is provided with actuating mechanism 11 on the support 10.

Screening box 1 is last to be fixed with backing plate 13 with the relative one side of apron 3, and member 7 sliding connection is on backing plate 13, and member 7 is located the both sides of sieve box 5, is fixed with the first joint spare 8 of a plurality of along its length direction on the member 7, rotates support piece 6 and rotates to connect in screening box 1 both sides, and both sides are rotated support piece 6 and are connected with sieve box 5 through second joint spare 9, member 7 is located the side of rotating support piece 6, fixes the first joint spare 8 cooperation joint on member 7 in the side of rotating support piece 6, and member 7 is close to the one end and the actuating mechanism 11 cooperation of support 10.

Actuating mechanism is provided with two outputs, and two outputs are used for driving both sides member and remove along self length direction, and both sides member is asynchronous removes, drives through first joint spare 8 and rotates support piece 6 and deflect, makes sieve box 5 carry out reciprocal turning motion.

In an embodiment of the invention, the crushing device 2 is used for feeding crushed aggregates into the uppermost sieve box 5 in the sieving box body 1, then the driving mechanism 11 is used for driving the rod members 7 at two sides to perform asynchronous movement, when the rod member 7 at one side ascends, the sieve box 5 is driven to incline, when the rod member 7 at the other side ascends, the sieve box 5 is reversely inclined, so that the crushed aggregates in the sieve box 5 roll in a turning way towards two sides, the crushed aggregates can fall into the sieve box 5 at the lower side, and the rod members 7 are used for driving a plurality of sieve boxes 5 to perform turning movement, thereby ensuring the sieving effect.

In an example of the present invention, the rod member 7 may be a straight rod, the first clamping members 8 are fixed on the straight rod at equal intervals, in the present invention, the straight rod can move along the length direction by the driving mechanism 11, so as to change the height of the first clamping member 8 on the straight rod, the screen box 5 is a box body with an opening at the top, the bottom of the box body is provided with uniformly distributed leaking holes 501, and from top to bottom, the hole diameter of the leaking hole 501 corresponding to the screen box 5 decreases progressively, so as to screen crushed stones with different levels.

As shown in fig. 1, as a preferred embodiment of the present invention, the length and width of the screen box 5 are both larger than the pipe diameter of the conveying pipe 4.

When the practical use of this device, need guarantee from breaker 2 exhaust crushed aggregates can both fall into the sieve box 5 of the top in, therefore pipeline 4's pipe diameter needs to be less than the size of sieve box 5 far away.

As shown in fig. 6, as another preferred embodiment of the present invention, the bracket 10 includes a frame 1001 and a supporting plate 1002, the supporting plate 1002 is fixed on both sides of the frame 1001, the screening box 1 is fixed on the supporting plate 1002, the driving mechanism 11 includes a driving member 1101 fixed on the supporting plate 1002, rotating shafts 1102 are distributed at intervals on the supporting plate 1002, a driving wheel 1103 is disposed on the other end of the rotating shaft 1102, the rotating shafts 1102 on both sides are connected by a driving member 1104, the driving member 1101 is used for driving the rotating shaft 1102 on one side to rotate, and the driving wheel 1103 is matched with one end of the rod 7.

As shown in fig. 6, the driving wheel 1103 is a cam, and the protruding parts of the cams fixed on the two rotating shafts 1102 face away from each other.

As shown in fig. 6, a rolling wheel 12 is fixed at one end of the rod 7 engaged with the driving wheel 1103, and the rolling wheel 12 is engaged with the driving wheel 1103.

In one aspect of this embodiment, the driving member 1101 may be a motor, the motor drives the rotating shaft 1102 on one side to rotate, the driving member 1104 may be belt pulleys fixed on the rotating shaft 1102 respectively, the belt pulleys on the two sides are driven by a belt, and of course, a chain wheel driving manner may also be adopted, in this apparatus, the cams on the two sides face each other, so that the cams on the two sides are located at different time nodes when jacking the rod 7, so that the sieve box 5 may be turned over, and the arrangement of the rolling wheels 12 makes the cams smoother when jacking the rod 7.

As shown in fig. 5, as another preferred embodiment of the present invention, the first clamping member 8 includes a collar 801 fixedly sleeved on the rod 7, an extension rod 802 is fixed on a side surface of the collar 801, and a latch 803 is rotatably connected to another end of the extension rod 802.

As shown in fig. 4, the rotary supporting member 6 is a straight plate, one side of the straight plate is rotatably hinged to the inner wall of the screening box 1, and the other side of the straight plate is rotatably connected to the second clamping member 9.

As shown in fig. 4 and 5, the second clamping member 9 includes a clamping plate 901 fixed on a side surface of the sieve box 5 and a clamping seat 902 rotatably connected with the rotating support member 6, a clamping groove is formed on the clamping seat 902, the clamping plate 901 is located in the clamping groove, and the length of the clamping seat 902 is smaller than that of the clamping plate 901.

In this embodiment, when sieve box 5 deflects, overall structure's length can change, and through the grafting mode of cardboard 901 and draw-in groove, make the two can carry out position compensation, guarantee that sieve box 5 is still in the state of being supported at the deflection, and the side joint of fixture block 803 and straight board can deflect at straight board, first joint spare 8 keeps rather than connected state, and as shown in fig. 2, sieve box 5 side is fixed with handle 502, cardboard 901 and the cooperation of draw-in groove on the cassette 902, can take out sieve box 5 through handle 502.

As shown in fig. 3 and 4, as another preferred embodiment of the present invention, a discharge duct is fixed to the pad 13, and the discharge duct 14 has an upper end diameter larger than a lower end diameter, and is effective to receive the crushed pieces leaked from the lowermost screen box 5.

As shown in fig. 1, as another preferred embodiment of the present invention, a door 15 is pivotally hinged on the sieving box 1, and when the door 15 is opened, the sieve box 5 in the sieving box 1 can be taken out.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A crushing and screening device for road and bridge construction comprises a screening box body and a crushing device, wherein a cover plate is arranged on the screening box body, a conveying pipeline is arranged on the cover plate, and the screening box body is communicated with the crushing device through the conveying pipeline;

2. The crushing and screening device for road and bridge construction according to claim 1, wherein the length and the width of the screen box are both larger than the pipe diameter of the conveying pipeline.

3. The crushing and screening device for road and bridge construction according to claim 1, wherein the bracket comprises a frame and a support plate, the support plate is fixed on both sides of the frame, the screening box is fixed on the support plate, the driving mechanism comprises a driving member fixed on the support plate, rotating shafts are distributed on the support plate at intervals, the other end of each rotating shaft is provided with a driving wheel, the rotating shaft supports on both sides are connected through a transmission member, the driving member is used for driving the rotating shaft on one side to rotate, and the driving wheel is matched with one end of a rod member.

4. The crushing and screening device for road and bridge construction according to claim 3, wherein the driving wheel is a cam, and the protruding parts of the cams fixed on the rotating shafts at two sides face to each other.

5. The crushing and screening device for road and bridge construction according to claim 3, wherein a rolling wheel is fixed at one end of the rod member matched with the driving wheel, and the rolling wheel is matched with the driving wheel.

6. The crushing and screening device for road and bridge construction as claimed in claim 1, wherein said first clamping member comprises a sleeve ring fixedly sleeved on the rod member, an extension rod is fixed on the side surface of the sleeve ring, and the other end of the extension rod is rotatably connected with a clamping block.

7. The crushing and screening device for road and bridge construction according to claim 1, wherein the rotary supporting piece is a straight plate, one side of the straight plate is rotatably hinged with the inner wall of the screening box body, and the other side of the straight plate is rotatably connected with the second clamping piece.

8. The crushing and screening device for road and bridge construction according to claim 1, wherein the second clamping member comprises a clamping plate fixed on the side surface of the screening box and a clamping seat rotatably connected with the rotating support member, a clamping groove is formed in the clamping seat, the clamping plate is located in the clamping groove, and the length of the clamping seat is smaller than that of the clamping plate.

9. The crushing and screening device for road and bridge construction according to claim 1, wherein a discharge pipe is fixed on the backing plate.

10. The crushing and screening device for road and bridge construction according to claim 1, wherein a box door is hinged on the screening box body in a rotating manner.