Recycled concrete crushing device

Abstract

The utility model discloses a recycled concrete crushing device in the technical field of concrete crushing, which comprises a frame and a crushing mechanism, the inner side of the frame is provided with the crushing mechanism, the crushing mechanism can crush external waste concrete blocks, and the crushing mechanism comprises a fixed cylinder, a knocking hammer, a hydraulic rod, a connecting plate and a connecting rope. A hydraulic rod is mounted on the side wall of the fixed cylinder; a connecting plate is mounted at the output end of the hydraulic rod; one end of a connecting rope is mounted on the lower wall of the connecting plate; the other end of the connecting rope is mounted on the upper wall of the knocking hammer; the device can be driven by an external vehicle to move above waste concrete, in the moving process, the waste concrete can be crushed into small blocks through a plurality of crushing mechanisms, the device can crush and process concrete of any size, the applicability is high, meanwhile, operation such as feeding is not needed, machining is more convenient and faster, and the working efficiency is improved. And the movement is convenient.

Description

Technical Field

[0001] This utility model relates to the field of concrete crushing technology, specifically to a recycled concrete crushing device. Background Technology

[0002] Recycled concrete refers to new concrete made by crushing, cleaning, and grading waste concrete blocks, mixing them with graded aggregates in a certain proportion, partially or completely replacing natural aggregates such as sand and gravel, and then adding cement, water, etc.

[0003] Currently, jaw crushers are commonly used to crush waste concrete. Concrete blocks are fed into the jaw crusher, where the moving jaw and the fixed jaw work together to crush the concrete.

[0004] However, the size of the feed inlet of the existing jaw crusher is fixed. Some large pieces of concrete cannot be put into the crusher due to their large size. They need to be broken up by workers using equipment such as electric picks before they can be put into the crusher, which is quite cumbersome. Utility Model Content

[0005] The purpose of this invention is to provide a recycled concrete crushing device to solve the problem mentioned in the background art that large pieces of concrete, due to their large size, cannot be put into the crusher and need to be crushed by workers using equipment such as electric picks before they can be put into the crusher, which is quite cumbersome.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a recycled concrete crushing device, comprising a frame and a crushing mechanism, wherein the crushing mechanism is installed on the inner side of the frame and the crushing mechanism can crush external waste concrete blocks;

[0007] The crushing mechanism includes a fixed cylinder, a hammer, a hydraulic rod, a connecting plate, and a connecting rope. The fixed cylinder is installed on the inner side of the frame, and the hammer is slidably installed inside the fixed cylinder. The hydraulic rod is installed on the side wall of the fixed cylinder, and the output end of the hydraulic rod is installed on the connecting plate. One end of the connecting rope is installed on the lower wall of the connecting plate, and the other end of the connecting rope is installed on the upper wall of the hammer.

[0008] The upper wall of the connecting rope is equipped with a plug, the upper wall of the connecting plate is provided with a slot, the plug is inserted into the slot, the upper wall of the plug is provided with an external thread, and a locking nut is installed on the outer side of the plug by rotating the thread.

[0009] As the preferred of the utility model, the side wall of the frame is provided with a connecting mechanism, the frame is installed on the external vehicle through the connecting mechanism, the connecting mechanism comprises a towing frame, a reinforcing rib and a inserting rod, the towing frame is welded on the side wall of the frame, the lower wall of the towing frame is welded with the reinforcing rib, the side wall of the reinforcing rib is welded on the side wall of the frame, the upper wall of the towing frame is inserted with the inserting rod, and the inserting rod can be inserted into the towing ring of the external vehicle.

[0010] As the preferred of the utility model, the side wall of the frame is provided with a connecting mechanism, the frame is installed on the external vehicle through the connecting mechanism, the connecting mechanism comprises a towing frame, a reinforcing rib and a inserting rod, the towing frame is welded on the side wall of the frame, the lower wall of the towing frame is welded with the reinforcing rib, the side wall of the reinforcing rib is welded on the side wall of the frame, the upper wall of the towing frame is inserted with the inserting rod, and the inserting rod can be inserted into the towing ring of the external vehicle.

[0011] As the preferred of the utility model, the inner side of the fixing cylinder is provided with a protruding block, the side wall of the knocking hammer is provided with a limiting slot, the protruding block is inserted into the limiting slot, and the protruding block can slide in the limiting slot.

[0012] As the preferred of the utility model, the inner wall of the clamping slot is provided with a rubber pad, and the rubber pad can be attached to the lower wall of the locking nut.

[0013] As the preferred of the utility model, the locking nut comprises a nut body, a threaded hole and a positioning bolt, the nut body is rotatably installed on the outer side of the inserting block, the side wall of the nut body is provided with the threaded hole, the threaded hole penetrates the inner wall of the nut body, the positioning bolt is rotatably installed in the threaded hole, the outer side wall of the inserting block is provided with a positioning hole, and the positioning bolt can be inserted into the positioning hole.

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] 1. The device can be moved above the waste concrete under the drive of the external vehicle, and in the moving process, the waste concrete can be broken into small pieces through the multiple groups of breaking mechanisms, compared with the jaw crusher, the device can break and process any size of concrete, has strong applicability, does not need to be fed and operated, is more convenient to process, and is also convenient to move.

[0016] 2. The knocking hammer in the device is connected with the connecting plate above the hydraulic rod through the connecting rope, and the two belong to flexible connection, so that the counter shock force generated when the knocking hammer contacts the concrete can be avoided to be transmitted to the connecting plate, and the breaking of the connecting plate can be avoided.

[0017] 3. The connecting rope in the device is installed on the connecting plate through the cooperation of the inserting block and the locking nut, if the connecting rope is damaged, the locking nut can be removed, the inserting block can be taken out from the clamping slot, and the connecting rope can be replaced, which is very convenient. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is a schematic view of the structure of the present patent;

[0019] Figure 2 is a schematic view of the side structure of the present patent;

[0020] Figure 3 is Figure 2 is a sectional view at A in the figure.

[0021] In the figure: 1 frame, 2 smashing mechanism, 21 fixed cylinder, 22 knocking hammer, 23 hydraulic rod, 24 connecting plate, 25 connecting rope, 3 insertion block, 4 clamping groove, 5 locking nut, 51 nut body, 52 threaded hole, 53 positioning bolt, 6 connecting mechanism, 61 towing frame, 62 reinforcing rib, 63 insertion rod, 7 connecting ring, 8 wheel frame, 9 wheel, 10 protruding block, 11 limiting groove, 12 rubber pad, 13 positioning hole. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0023] Please refer to Figures 1-3 The present application provides a technical solution:

[0024] In the technical solution, a recycled concrete crushing device includes a frame 1 and a smashing mechanism 2. The frame 1 has the smashing mechanism 2 installed on the inner side. The smashing mechanism 2 can smash external waste concrete blocks.

[0025] The smashing mechanism 2 includes a fixed cylinder 21, a knocking hammer 22, a hydraulic rod 23, a connecting plate 24, and a connecting rope 25. The frame 1 has the fixed cylinder 21 installed on the inner side. The fixed cylinder 21 has the knocking hammer 22 slidingly installed inside. The side wall of the fixed cylinder 21 has the hydraulic rod 23 installed. The output end of the hydraulic rod 23 has the connecting plate 24 installed. The lower wall of the connecting plate 24 has one end of the connecting rope 25 installed. The other end of the connecting rope 25 is installed on the upper wall of the knocking hammer 22.

[0026] The upper wall of the connecting rope 25 has the insertion block 3 installed. The upper wall of the connecting plate 24 has the clamping groove 4 opened. The insertion block 3 is inserted and installed in the clamping groove 4. The upper wall of the insertion block 3 has external threads. The external side of the insertion block 3 has the locking nut 5 threadedly and rotatably installed.

[0027] In this technical solution, the device can be directly installed on an external vehicle, and the device is moved by the external vehicle. During the movement, the knocking hammer 22 in the crushing mechanism 2 can crush the waste concrete. Compared with the existing crushing device, the device has strong applicability and can crush concrete of any size without feeding operation. After crushing, the crushed concrete can be collected by a forklift, and then the crushed concrete blocks can be mixed with cement to produce recycled concrete.

[0028] The hydraulic rod 23 can drive the connecting plate 24 to move up and down, and then drive the knocking hammer 22 to move up and down in the fixed cylinder 21 through the connecting plate 24 and the connecting rope 25, so as to knock and crush the waste concrete below the device.

[0029] In the device, the knocking hammer 22 is connected to the connecting plate 24 above the hydraulic rod 23 through the connecting rope 25. The two are flexibly connected, which can avoid the transmission of the reverse shock force generated when the knocking hammer 22 contacts with the concrete to the connecting plate 24, and avoid the fracture of the connecting plate 24.

[0030] In some technical solutions, the side wall of the frame 1 is provided with a connecting mechanism 6, and the frame 1 is installed on an external vehicle through the connecting mechanism 6. The connecting mechanism 6 includes a towing frame 61, a reinforcing rib 62 and a plug rod 63. The towing frame 61 is welded to the side wall of the frame 1. The lower wall of the towing frame 61 is welded with the reinforcing rib 62. The side wall of the reinforcing rib 62 is welded to the side wall of the frame 1. The upper wall of the towing frame 61 is inserted with the plug rod 63, and the plug rod 63 can be inserted into the towing ring of the external vehicle.

[0031] In this technical solution, the device can be installed on an external vehicle through the connecting mechanism 6, so that the movement of the device is very convenient.

[0032] In some technical solutions, the side of the frame 1 away from the connecting mechanism 6 is provided with a connecting ring 7, the connecting ring 7 is inserted with a wheel frame 8, and the outer side of the wheel frame 8 is rotatably installed with a wheel 9.

[0033] In some technical solutions, the inner side of the fixed cylinder 21 is provided with a protrusion 10, and the side wall of the knocking hammer 22 is provided with a limiting groove 11. The protrusion 10 is inserted into the limiting groove 11, and the protrusion 10 can slide in the limiting groove 11.

[0034] In this technical solution, the cooperation of the protrusion 10 and the limiting groove 11 can prevent the knocking hammer 22 from shaking, so that the knocking hammer 22 moves straight up and down.

[0035] In some technical solutions, the inner wall of the clamping groove 4 is attached with a rubber pad 12, and the rubber pad 12 can be attached with the lower wall of the locking nut 5.

[0036] In some technical solutions, the locking nut 5 comprises a nut body 51, a threaded hole 52 and a positioning bolt 53, the nut body 51 is rotatably installed on the outer side of the plug block 3, the side wall of the nut body 51 is provided with the threaded hole 52, the threaded hole 52 penetrates the inner wall of the nut body 51, and the positioning bolt 53 is rotatably installed in the threaded hole 52, and the outer side wall of the plug block 3 is provided with a positioning hole 13, and the positioning bolt 53 can be inserted and installed in the positioning hole 13.

[0037] In this technical solution, the connecting rope 25 in the device is installed on the connecting plate 24 through the cooperation of the plug block 3 and the locking nut 5, if the connecting rope 25 is damaged, the locking nut 5 can be removed, the plug block 3 can be taken out from the clamping groove 4, and the connecting rope 25 can be replaced, which is very convenient.

[0038] Meanwhile, the locking nut 5 is also provided with the positioning bolt 53, and through the cooperation of the positioning bolt 53 and the positioning hole 13, the self-rotation of the locking nut 5 can be avoided, so that the connecting rope 25 and the connecting plate 24 are separated.

[0039] Working principle: the device is installed on an external vehicle through the connecting mechanism 6, and is driven by the external vehicle to move, in the moving process, the hydraulic rod 23 is lifted upward, so that the knocking hammer 22 is lifted, then the knocking hammer 22 falls rapidly relying on its own weight, so that the knocking hammer 22 crushes the waste concrete below the device, compared with the existing crushing device, the device has strong applicability, can crush any size of concrete, and does not need to be fed and the like.

[0040] After crushing, the crushed concrete can be directly collected by the forklift, and then the crushed concrete blocks mixed with cement can be used to make recycled concrete.

[0041] It should be noted that in this text, relationship terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between the entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.

[0042] Although the utility model has been described above with reference to the embodiments, various modifications can be made to it and equivalent components can be substituted for the components thereof without departing from the scope of the utility model. In particular, the features of the embodiments disclosed by the utility model can be combined with each other in any manner as long as there is no structural conflict, and the combinations of the features are not exhaustively described in the specification only for the purpose of omitting the length and saving the resources. Therefore, the utility model is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A recycled concrete breaking device comprising a frame (1) and a breaking mechanism (2), characterized in that: The inner side of the frame (1) is provided with a smashing mechanism (2), which can smash the external waste concrete block; The smashing mechanism (2) comprises a fixed cylinder (21), a knocking hammer (22), a hydraulic rod (23), a connecting plate (24) and a connecting rope (25), the inner side of the frame (1) is provided with the fixed cylinder (21), the knocking hammer (22) is slidably installed in the fixed cylinder (21), the side wall of the fixed cylinder (21) is provided with the hydraulic rod (23), the output end of the hydraulic rod (23) is provided with the connecting plate (24), one end of the connecting rope (25) is installed on the lower wall of the connecting plate (24), the other end of the connecting rope (25) is installed on the upper wall of the knocking hammer (22); The upper wall of the connecting rope (25) is provided with an insertion block (3), the upper wall of the connecting plate (24) is provided with a clamping groove (4), the insertion block (3) is inserted into the clamping groove (4), the upper wall of the insertion block (3) is provided with external threads, and the outer side of the insertion block (3) is rotatably provided with a locking nut (5) through threads.

2. A recycled concrete breaking device as claimed in claim 1, wherein: The side wall of the frame (1) is provided with a connecting mechanism (6), the frame (1) is installed on the external vehicle through the connecting mechanism (6), the connecting mechanism (6) comprises a towing frame (61), a reinforcing rib (62) and a plug rod (63), the towing frame (61) is welded on the side wall of the frame (1), the lower wall of the towing frame (61) is welded with the reinforcing rib (62), the side wall of the reinforcing rib (62) is welded on the side wall of the frame (1), the upper wall of the towing frame (61) is inserted with the plug rod (63), and the plug rod (63) can be inserted into the towing ring of the external vehicle.

3. A recycled concrete breaking device as claimed in claim 2, characterised in that: The side, away from the connecting mechanism (6), of the frame (1) is provided with a connecting ring (7), the connecting ring (7) is inserted with a wheel frame (8), and the outer side of the wheel frame (8) is rotatably provided with a wheel (9).

4. A recycled concrete breaking device as claimed in claim 1, wherein: The inner side of the fixed cylinder (21) is provided with a protruding block (10), the side wall of the knocking hammer (22) is provided with a limiting groove (11), the protruding block (10) is inserted into the limiting groove (11), and the protruding block (10) can slide in the limiting groove (11).

5. A recycled concrete breaking device as claimed in claim 1, wherein: The inner wall of the clamping groove (4) is attached with a rubber pad (12), and the rubber pad (12) can be attached with the lower wall of the locking nut (5).

6. A recycled concrete breaking device as claimed in claim 1, wherein: The locking nut (5) comprises a nut body (51), a threaded hole (52) and a positioning bolt (53), the nut body (51) is rotatably installed on the outer side of the insertion block (3), the side wall of the nut body (51) is provided with the threaded hole (52), the threaded hole (52) penetrates the inner wall of the nut body (51), the positioning bolt (53) is rotatably installed in the threaded hole (52), the outer wall of the insertion block (3) is provided with a positioning hole (13), and the positioning bolt (53) can be inserted into the positioning hole (13).

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