Crusher for engineering construction

Abstract

The utility model discloses a crusher for engineering construction. The crusher comprises a crusher body, a crushing mechanism is arranged at the upper part in the crusher body; a driving frame is arranged above the left side of the crusher body, and a driving motor is fixedly arranged on the left side of the driving frame; wherein the crushing mechanism comprises crushing rotating rollers, and the crushing rotating rollers are rotationally arranged on the front side and the rear side of the upper portion of the interior of the crusher body through bearings in a front-back symmetrical mode; and the grinding mechanism comprises grinding rotating rollers, and the grinding rotating rollers are rotationally arranged on the front side and the rear side of the lower portion in the crusher body through bearings in a front-back symmetrical mode. According to the crusher for engineering construction, engineering waste is crushed and ground through the crushing mechanism and the grinding mechanism which are arranged on the upper side and the lower side in the crusher body, the refining effect of machining is improved, the feeding hopper is knocked through the discharging knocking rod which rotates in a reciprocating mode, and the waste in the feeding hopper is assisted in falling.

Description

Technical Field

[0001] The utility model relates to the technical field of engineering construction, in particular to a crusher for engineering construction. Background Art

[0002] Engineering construction is the activity of building, expanding and renovating a construction project according to the requirements of the construction project design documents. It involves a series of construction activities such as demolition of existing buildings. The engineering waste after demolition is usually reinforced concrete waste, which is difficult to demolish in practice.

[0003] Publication No. CN219441822U discloses a construction crusher, which controls the lifting plate to descend through a hydraulic cylinder so that the universal wheels are in contact with the ground, and lifts the box body so that the supporting legs are separated from the ground, thereby realizing the switching of the crusher between a fixed state and a walking state, which not only ensures the stability of the crusher during operation, but also facilitates the movement of the crusher, and is more practical;

[0004] However, the above-mentioned crusher for construction waste still has the following problems during actual use: although the construction waste can be crushed and guided by the crushing roller and the guide plate, in the actual crushing process, due to the differences in specifications of the construction waste and the lack of regularity of the construction waste after dismantling, it is easy for them to be blocked when put into the crusher, affecting the feeding problem, and the crushing by a single crushing roller cannot effectively achieve the refined processing effect for the construction waste, which in turn affects the next step of recycling of the construction waste.

[0005] Therefore, we propose a crusher for engineering construction in order to solve the problems raised above. Utility Model Content

[0006] The utility model aims to provide a crusher for engineering construction, so as to solve the problem raised in the above-mentioned background technology that although the construction waste can be crushed and guided by the crushing knife roller and the guide plate, in the actual crushing process, due to the differences in specifications of the construction waste and the lack of certain regularity of the construction waste after dismantling, it is easy to cause mutual blockage and affect the feeding when put into the crusher, and the crushing by a single crushing knife roller cannot effectively achieve the refined processing effect for the construction waste, thereby affecting the next step of recycling of the construction waste.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a crusher for engineering construction, comprising a crusher body, and a feed hopper and a discharge hopper which are installed through the upper and lower ends of the crusher body;

[0008] A crushing mechanism is arranged above the interior of the crusher body, and a grinding mechanism is arranged below the interior of the crusher body;

[0009] The invention also comprises: a driving frame is arranged on the upper left side of the crusher body, and a driving motor is fixedly arranged on the left side of the driving frame;

[0010] The crushing mechanism includes a crushing roller, and the crushing roller is rotatably arranged on the front and rear sides of the upper part of the crusher body through bearings in a front-to-back symmetrical manner;

[0011] The grinding mechanism includes a grinding roller, and the grinding roller is rotatably arranged at the front and rear sides of the lower part of the crusher body through bearings in a front-to-back symmetrical manner.

[0012] Preferably, transmission shafts are rotatably provided on the left and right sides of the top surface of the crusher body through bearings, and incomplete gears are rotatably provided on the left and right sides of the top surface of the crusher body through bearings, and driving gears are rotatably provided on the left and right sides of the top surface of the crusher body through torsion springs, and the incomplete gears on the left and right sides are respectively meshed and connected with the driving gears.

[0013] Preferably, the inner ends of the transmission shafts on the left and right sides of the top surface of the crusher body are meshed and connected to the top shaft of the incomplete gear through a bevel gear set, and the tops of the symmetrically arranged driving gears are fixed with unloading knocking rods, and the symmetrically arranged unloading knocking rods knock against the feed hopper after rotation so that the construction waste falls.

[0014] Preferably, guide gears are rotatably arranged on the front and rear sides of the driving frame through bearings, and the guide gears on the front and rear sides are meshed and connected with each other, and the left rotating shaft of the rear guide gear is fixedly connected to the output shaft end of the driving motor, and the guide gears on the front and rear sides are fixedly connected to the left end of the crushing roller included in the crushing mechanism.

[0015] Preferably, the crushing rollers distributed on the front and rear sides of the crushing mechanism operate in opposite directions of rotation, and the left end of the front crushing roller is meshed and connected to the left end of the left transmission shaft through a first sprocket mechanism, and the right end of the rear crushing roller is meshed and connected to the right end of the right transmission shaft through a second sprocket mechanism.

[0016] Preferably, the crushing mechanism includes a main material guide inclined plate, and the main material guide inclined plate is fixedly installed on the front and rear sides of the upper part of the crusher body in a front-to-back symmetrical manner, and the grinding mechanism includes an auxiliary material guide inclined plate, and the auxiliary material guide inclined plate is fixedly installed on the front and rear sides of the lower part of the crusher body in a front-to-back symmetrical manner, and the main material guide inclined plate and the auxiliary material guide inclined plate are used to guide the waste material to prevent it from being missed.

[0017] Preferably, the grinding rollers included in the grinding mechanism operate in opposite directions of rotation, and the left end of the front grinding roller is meshed and connected to the left end of the rear crushing roller through a third sprocket mechanism, and the right end of the rear grinding roller is meshed and connected to the right end of the front crushing roller through a fourth sprocket mechanism.

[0018] Compared with the prior art, the utility model has the following beneficial effects: the crusher for construction uses a crushing mechanism and a grinding mechanism disposed on the upper and lower sides of the crusher body to crush and grind construction waste, thereby improving the processing refinement effect, and uses a reciprocating material knocking rod to knock on the feed hopper to assist the waste inside the feed hopper to fall. The specific contents are as follows:

[0019] 1. The construction waste is put into the crusher body through the feed hopper, and the inclined main material inclined plate guides the waste to the crushing rollers on the front and rear sides of the crushing mechanism. The driving motor drives the guide gear to rotate, so that the driving gear drives the crushing rollers on the front and rear sides to rotate inward in opposite directions, so as to initially crush the waste;

[0020] 2. After the initial crushing, the waste is guided by the inclined auxiliary guide ramp, and then the grinding rollers on the front and rear sides are rotated through the third sprocket mechanism and the fourth sprocket mechanism, so that the grinding rollers on the front and rear sides are driven to rotate, and then the waste between them is ground here to achieve the effect of refinement;

[0021] 3. The crushing rollers rotating on the front and rear sides drive the transmission gears arranged on the left and right sides of the top surface of the crusher body to rotate, and then the incomplete gear and the driving gear are driven to rotate through the bevel gear set, so that the driving gear drives the unloading knocking rod to rotate, and then knocks on the feed hopper to assist the waste inside the feed hopper to fall. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;

[0023] Figure 2 This is a schematic diagram of the installation structure of the guide gear of the utility model;

[0024] Figure 3 This is a schematic diagram of the installation structure of the auxiliary material guide inclined plate of the utility model;

[0025] Figure 4 This is a schematic diagram of the installation structure of the transmission shaft of the utility model;

[0026] Figure 5 For this utility model Figure 4 The enlarged structural diagram at A in the middle;

[0027] Figure 6 This is a schematic diagram of the three-dimensional structure of the crushing roller of the utility model;

[0028] Figure 7 It is a schematic diagram of the three-dimensional structure of the grinding roller of the utility model.

[0029] In the figure: 1. Crusher body; 2. Feed hopper; 3. Discharge hopper; 4. Drive frame; 5. Drive motor; 6. Crushing roller; 7. Grinding roller; 8. Transmission shaft; 9. Incomplete gear; 10. Drive gear; 11. Bevel gear set; 12. Unloading knocking rod; 13. Guide gear; 14. First sprocket mechanism; 15. Second sprocket mechanism; 16. Main guide inclined plate; 17. Second guide inclined plate; 18. Third sprocket mechanism; 19. Fourth sprocket mechanism. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the implementation regulations described are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0031] See also Figure 1-Figure 7 , the utility model provides the following technical solutions:

[0032] Embodiment 1: In order to illustrate the operating principle of the crusher body 1, this embodiment adopts the following technical scheme, wherein the engineering waste is fed into the crusher body 1 through the feed hopper, and the waste is guided to between the front and rear crushing rollers 6 included in the crushing mechanism by the inclined main feed inclined plate 16, and the guide gear 13 is driven by the driving motor to rotate, so that the driving gear 13 drives the front and rear crushing rollers 6 to rotate inward in opposite directions, so as to preliminarily crush the waste;

[0033] A crusher for engineering construction comprises a crusher body 1, and a feed hopper 2 and a discharge hopper 3 which are installed through the upper and lower ends of the crusher body 1; a crushing mechanism is arranged on the upper part of the crusher body 1; a driving frame 4 is arranged on the upper left side of the crusher body 1, and a driving motor 5 is fixedly arranged on the left side of the driving frame 4; wherein the crushing mechanism comprises a crushing roller 6, and the crushing roller 6 is rotatably arranged on the front and rear sides of the upper part of the crusher body 1 through bearings in a front-to-back symmetrical manner;

[0034] Guide gears 13 are rotatably arranged on both the front and rear sides of the driving frame 4 through bearings, and the guide gears 13 on the front and rear sides are meshed and connected with each other, and the left rotation axis of the rear guide gear 13 is fixedly connected to the output shaft end of the driving motor 5, and the guide gears 13 on the front and rear sides are fixedly connected to the left end of the crushing roller 6 included in the crushing mechanism;

[0035] The crushing mechanism includes crushing rollers 6 distributed on the front and rear sides, which rotate in opposite directions, and the left end of the front crushing roller 6 is meshed and connected to the left end of the left transmission shaft 8 through a first sprocket mechanism 14, and the right end of the rear crushing roller 6 is meshed and connected to the right end of the right transmission shaft 8 through a second sprocket mechanism 15; the crushing mechanism includes a main material inclined plate 16, and the main material inclined plate 16 is fixedly installed on the front and rear sides of the upper part of the crusher body 1 in a front-to-back symmetrical manner;

[0036] like Figure 2 , Figure 6 As shown, first, the engineering waste is fed through the feed hopper 2 arranged on the top of the crusher body 1, and the waste is guided to between the front and rear crushing rollers 6 by the main feed inclined plates 16 arranged on the front and rear sides of the crusher body 1. Then, the drive motor 5 arranged on the left side of the drive frame 4 works to drive the guide gears 13 meshing with each other on the front and rear sides to rotate, and then the guide gears 13 drive the crushing rollers 6 included in the crushing mechanism to rotate inward in the opposite direction, so as to initially crush the waste.

[0037] Embodiment 2: In order to illustrate the operating principle of the crusher body 1, this embodiment adopts the following technical scheme. The waste materials that are initially crushed are guided by the inclined auxiliary guide inclined plates 17, and then the grinding rollers 7 on the front and rear sides are rotated by the third sprocket mechanism 18 and the fourth sprocket mechanism 19, so that the grinding rollers 7 on the front and rear sides are driven to rotate, and then the waste materials therebetween are ground here to achieve a refining effect.

[0038] A grinding mechanism is provided at the lower part of the crusher body 1; wherein the grinding mechanism comprises a grinding roller 7, and the grinding roller 7 is rotatably provided at the front and rear sides of the lower part of the crusher body 1 through bearings in a front-to-back symmetrical manner; the grinding mechanism comprises an auxiliary material guide inclined plate 17, and the auxiliary material guide inclined plate 17 is fixedly installed at the front and rear sides of the lower part of the crusher body 1 in a front-to-back symmetrical manner, and the main material guide inclined plate 16 and the auxiliary material guide inclined plate 17 are used to guide the waste materials to prevent leakage;

[0039] The grinding rollers 7 included in the grinding mechanism are operated in opposite directions of rotation, and the left end of the front grinding roller 7 is meshedly connected to the left end of the rear crushing roller 6 through the third sprocket mechanism 18, and the right end of the rear grinding roller 7 is meshedly connected to the right end of the front crushing roller 6 through the fourth sprocket mechanism 19;

[0040] like Figure 3 , Figure 7 As shown, after the initial crushing by the crushing mechanism, the waste inside the crusher body 1 falls downward through the gap between the crushing rollers 6 on the front and rear sides, and at the same time, the waste is synchronously guided to between the grinding rollers 7 on the front and rear sides of the grinding mechanism through the auxiliary guide inclined plates 17 inclined at the front and rear sides below, and then the grinding roller 7 arranged in the front is connected to the crushing roller 6 at the rear through the third sprocket mechanism 18 at the left end, and the grinding roller 7 at the rear is connected to the crushing roller 6 at the front through the fourth sprocket mechanism 19 at the right end, so that the grinding rollers 7 distributed on the front and rear sides can rotate in the opposite direction, so as to grind and refine the waste after crushing again.

[0041] Embodiment 3: In order to solve the problem that the existing crusher body 1 is prone to blockage during the feeding process, this embodiment adopts the following technical scheme, in which the crushing rollers 6 rotating on the front and rear sides drive the transmission gears 8 arranged on the left and right sides of the top surface of the crusher body 1 to rotate, and then the incomplete gear 9 and the driving gear 10 are driven to rotate by the bevel gear set 11, so that the driving gear 10 drives the unloading knocking rod 12 to rotate, and then knocks on the feed hopper 2, to assist the waste inside the feed hopper 2 to fall.

[0042] A transmission shaft 8 is rotatably provided on both sides of the top surface of the crusher body 1 through bearings, and an incomplete gear 9 is rotatably provided on both sides of the top surface of the crusher body 1 through bearings, and a driving gear 10 is rotatably provided on both sides of the top surface of the crusher body 1 through torsion springs, and the incomplete gears 9 on the left and right sides are respectively meshed and connected with the driving gear 10;

[0043] The inner ends of the transmission shafts 8 on the left and right sides of the top surface of the crusher body 1 are meshed and connected to the top shaft of the incomplete gear 9 through a bevel gear set 11, and the tops of the symmetrically arranged driving gears 10 are fixedly provided with unloading knocking rods 12, and the symmetrically arranged unloading knocking rods 12 knock against the feed hopper 2 after rotation so that the engineering waste falls;

[0044] like Figure 4-Figure 5As shown, the crushing rollers 6 on the front and rear sides of the crusher body 1 rotate, so that the crushing rollers 6 on the front and rear sides drive the transmission shaft 8 arranged on the left and right sides of the top surface of the crusher body 1 to rotate through the first sprocket mechanism 14 and the second sprocket mechanism 15, and then the transmission shaft 8 drives the meshing incomplete gear 9 to rotate through the bevel gear set 11, and then the incomplete gear 9 meshes with the driving gear 10 during the rotation process, so as to drive the unloading knocking rod 12 to rotate, and then knock on the feed hopper 2 to assist the waste material inside the feed hopper 2 to fall, and after the incomplete gear 9 is disengaged from the driving gear 10 during the rotation process, the driving gear 10 can drive the unloading knocking rod 12 to reset, so as to achieve the effect of reciprocating knocking to assist unloading.

[0045] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A crusher for construction, comprising a crusher body (1), and a feed hopper (2) and a discharge hopper (3) which are installed through the upper and lower ends of the crusher body (1); A crushing mechanism is arranged at the upper part of the crusher body (1), and a grinding mechanism is arranged at the lower part of the crusher body (1); It is characterized in that Also includes: A driving frame (4) is arranged above the left side of the crusher body (1), and a driving motor (5) is fixedly arranged on the left side of the driving frame (4); The crushing mechanism comprises a crushing roller (6), and the crushing roller (6) is rotatably arranged on the front and rear sides of the upper part of the crusher body (1) through bearings in a front-to-back symmetrical manner; The grinding mechanism comprises a grinding roller (7), and the grinding roller (7) is rotatably arranged at the front and rear sides of the lower part of the crusher body (1) through bearings in a front-to-back symmetrical manner; A transmission shaft (8) is rotatably provided on both sides of the top surface of the crusher body (1) via bearings, and an incomplete gear (9) is rotatably provided on both sides of the top surface of the crusher body (1) via bearings, and a driving gear (10) is rotatably provided on both sides of the top surface of the crusher body (1) via torsion springs, and the incomplete gears (9) on the left and right sides are respectively meshed and connected with the driving gear (10); The inner ends of the transmission shafts (8) on the left and right sides of the top surface of the crusher body (1) are meshed and connected to the top shaft of the incomplete gear (9) through a bevel gear set (11), and the tops of the symmetrically arranged driving gears (10) are fixedly provided with material discharge knocking rods (12), and the symmetrically arranged material discharge knocking rods (12) knock against the feed hopper (2) after rotation so that the engineering waste falls.

2. A crusher for engineering construction according to claim 1, characterized in that: Guide gears (13) are rotatably arranged on both the front and rear sides of the driving frame (4) via bearings, and the guide gears (13) on the front and rear sides are meshed and connected with each other, and the left rotation axis of the rear guide gear (13) is fixedly connected to the output shaft end of the driving motor (5), and the guide gears (13) on the front and rear sides are fixedly connected to the left end of the crushing roller (6) included in the crushing mechanism.

3. A crusher for engineering construction according to claim 1, characterized in that: The crushing mechanism comprises crushing rollers (6) distributed on the front and rear sides, which rotate in opposite directions, and the left end of the front crushing roller (6) is meshedly connected to the left end of the left transmission shaft (8) through a first sprocket mechanism (14), and the right end of the rear crushing roller (6) is meshedly connected to the right end of the right transmission shaft (8) through a second sprocket mechanism (15).

4. A crusher for construction according to claim 1, characterized in that: The crushing mechanism comprises a main material inclined plate (16), and the main material inclined plate (16) is fixedly installed on the front and rear sides of the upper part of the crusher body (1) in a front-to-back symmetrical manner. The grinding mechanism comprises an auxiliary material guiding inclined plate (17), and the auxiliary material guiding inclined plate (17) is fixedly installed on the front and rear sides of the lower part of the crusher body (1) in a front-to-back symmetrical manner. The main material guiding inclined plate (16) and the auxiliary material guiding inclined plate (17) are used to guide the waste materials to prevent them from being missed.

5. A crusher for engineering construction according to claim 1, characterized in that: The grinding rollers (7) included in the grinding mechanism run in opposite directions of rotation, and the left end of the front grinding roller (7) is meshedly connected to the left end of the rear crushing roller (6) through a third sprocket mechanism (18), and the right end of the rear grinding roller (7) is meshedly connected to the right end of the front crushing roller (6) through a fourth sprocket mechanism (19).

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