Rock crusher for civil engineering
Through the multi-stage crushing structure and adjustment mechanism, the problem of incomplete crushing of existing devices is solved, and the complete crushing and flexible operation of rocks are achieved, and different particle size requirements are adapted.
Patent Information
- Application Number
- CN202422989005.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-05
- Publication Date
- 2025-08-29
- Estimated Expiration
- 2034-12-05
AI Technical Summary
When existing crushing devices crush rocks, they usually only have first-level crushing work, resulting in incomplete crushing and affecting the later use of the rocks.
A multi-stage crushing structure is adopted, including a hammering mechanism, a crushing mechanism and an output mechanism. The rock is pre-crumbled through the hammering mechanism, and the crushing mechanism is further crushed. The spacing of the crushing rollers is adjusted through the adjustment mechanism to adapt to different particle size requirements, so that the output mechanism avoids blockage.
Multi-level crushing of rocks is achieved, improving crushing effect and flexibility, ensuring that rock fragments meet the requirements of later use and avoiding gravel splashing and blockage.
Smart Images

Figure CN223276383U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of crushers, in particular to a rock crusher for civil engineering. Background Art
[0002] Civil engineering is the general term for the science and technology involved in constructing various types of land-based engineering facilities. It refers to both the materials and equipment used, as well as the technical activities involved in surveying, designing, constructing, maintaining, and repairing them, as well as the objects of construction. These facilities, constructed above, below, or on land, directly or indirectly serve human life, production, military operations, and scientific research, such as buildings, roads, railways, pipelines, tunnels, bridges, canals, dams, ports, power stations, airports, offshore platforms, water supply and drainage systems, and protective engineering.
[0003] Crushing devices are used in the process of civil engineering construction. Existing crushing devices usually only have one-stage crushing work when crushing rocks, so that there are still large volumes of residual rocks after crushing, which makes the rocks not completely crushed, and affects the later use of the rocks.
[0004] Therefore, a rock crusher for civil engineering is needed to solve the problems raised in the above background technology. Utility Model Content
[0005] In view of the above problems, the utility model provides a rock crusher for civil engineering.
[0006] The utility model provides the following technical solution: a rock crusher for civil engineering, comprising a box body, four groups of supporting legs are installed at the bottom of the box body, a feed port is opened at the top of the box body, a protective mechanism for preventing stone fragments from splashing is provided on the inner side of the feed port, a hammering mechanism for facilitating rock pre-crushing is provided on the inner side of the box body below the feed port, two groups of guide plates are provided below the hammering mechanism, crushing mechanisms for facilitating rock crushing are provided below the two groups of guide plates, a material guide bin is provided at the bottom of the box body, and an output mechanism for facilitating material output is connected to the bottom of the material guide bin.
[0007] In a further technical solution, the hammering mechanism includes a plate hammer, a roller passes through the inner side of the box, a first rotating shaft connected to the box for rotation passes through the inside of the roller, one end of the first rotating shaft is connected to the output end of a first motor installed on one side of the box, multiple groups of plate hammers are installed on the outer ring of the roller, and two groups of impact plates are installed on the inner wall of the box on one side of the roller.
[0008] In a further technical solution, the protective mechanism includes a cover plate, a fixing rod is provided on the inner side of the feed port, an outer ring of the fixing rod is provided with a cover plate, and the fixing rod is connected to the cover plate via a torsion spring.
[0009] In a further technical solution, the crushing mechanism includes two groups of crushing rollers, the two groups of crushing rollers are passed through the inner side of the box body, the second rotating shaft is passed through the interior of the two groups of crushing rollers, both ends of the two groups of second rotating shafts are rotatably connected with adjustment plates, one side of the two groups of adjustment plates is installed with a driving motor, the output ends of the two groups of driving motors are respectively connected to the two groups of second rotating shafts, and the corresponding two groups of adjustment plates are connected by an adjustment mechanism that facilitates the adjustment of their spacing.
[0010] In a further technical solution, the adjustment mechanism includes a second motor, a fixed cover is installed on one side of the box body, two groups of support rods are provided on the inner side of the fixed cover and are slidably connected to the two groups of adjustment plates, a rack plate is installed on one side of the two groups of adjustment plates, and a through groove is opened on one side of the two groups of adjustment plates to facilitate the movement of the rack plates. The two groups of rack plates are meshed with circular gears, and a connecting shaft rotatably connected to the fixed cover passes through the interior of the circular gear, and one end of the connecting shaft is connected to the output end of the second motor installed on one side of the fixed cover.
[0011] In a further technical solution, two groups of movable grooves are provided on both sides of the box body to facilitate the movement of the two groups of second rotating shafts, and sliding grooves are provided on the inner walls on both sides of the movable grooves. The inner sides of the two groups of sliding grooves are slidably connected with baffles that facilitate shielding the movable grooves, and one end of the two groups of baffles are respectively connected to the inner walls of one side of the two groups of sliding grooves through two groups of springs.
[0012] In a further technical solution, the output mechanism includes an output cylinder arranged at the bottom of the material guide bin, the inner side of the output cylinder is rotatably connected to a screw conveying shaft, and one end of the screw conveying shaft is connected to the output end of a third motor installed at one end of the output cylinder.
[0013] The beneficial effects of the utility model are:
[0014] 1. The utility model starts the first motor, and the first motor can drive the first rotating shaft to rotate, and the first rotating shaft can drive the roller to rotate, and the roller can drive multiple sets of plate hammers to rotate, so that the rocks entering the box can be hammered by the action of the multiple sets of plate hammers, and the rocks are repeatedly hit by the impact of the plate hammers to hit the two sets of impact plates, so that the rocks can be pre-crushed, and by starting the two sets of drive motors, the two sets of drive motors can drive the two sets of second rotating shafts to rotate, and the two sets of second rotating shafts can drive the two sets of crushing rollers to rotate, so that the pre-crushed rocks can be further crushed by the action of the two sets of crushing rollers, and then through the setting, the rocks can be crushed in multiple stages, which greatly improves the crushing effect of the rocks, so that the later use of the rocks is convenient.
[0015] 2. The utility model starts the second motor, which drives the connecting shaft to rotate, and the connecting shaft drives the circular gear to rotate. The circular gear, through meshing with the two sets of rack plates, drives the two sets of rack plates to move in opposite directions. The two sets of rack plates drive the two sets of adjustment plates to move in opposite directions. The two sets of adjustment plates drive the two sets of second rotating shafts and the two sets of crushing rollers to move in opposite directions, so as to adjust the spacing between the two sets of crushing rollers. Furthermore, through setting, the spacing between the crushing rollers can be adjusted according to the particle size of the required rock fragments, which greatly improves the flexibility and operational convenience of the device. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0017] Figure 2 This is a side view of the utility model;
[0018] Figure 3 This is a schematic diagram of the internal structure of the utility model;
[0019] Figure 4 This is a side view of the utility model Figure 1 ;
[0020] Figure 5 This is a side view of the utility model Figure 2 ;
[0021] Figure 6 for Figure 3 A magnified view of part A in FIG;
[0022] Figure 7 for Figure 4 A magnified view of part B in FIG;
[0023] Figure 8 for Figure 5 Enlarged view of part C in .
[0024] In the figure: 1. Box body, 2. Support leg, 3. Feed inlet, 4. Fixed rod, 5. Cover plate, 6. Torsion spring, 7. Roller, 8. Plate hammer, 9. First rotating shaft, 10. First motor, 11. Impact plate, 12. Guide plate, 13. Crushing roller, 14. Second rotating shaft, 15. Adjustment plate, 16. Drive motor, 17. Movable groove, 18. Slide, 19. Baffle, 20. Spring, 21. Fixed cover, 22. Support rod, 23. Rack plate, 24. Through groove, 25. Circular gear, 26. Connecting shaft, 27. Second motor, 28. Guide bin, 29. Output cylinder, 30. Screw conveyor shaft, 31. Third motor. DETAILED DESCRIPTION
[0025] The embodiments of the present invention will be further described below with reference to the accompanying drawings.
[0026] Example:
[0027] Reference Figures 1-8 A rock crusher for civil engineering includes a box body 1, four groups of supporting legs 2 are installed at the bottom of the box body 1, a feed port 3 is opened at the top of the box body 1, and a protective mechanism for preventing gravel from splashing is provided on the inner side of the feed port 3. A hammer mechanism for facilitating rock pre-crushing is provided on the inner side of the box body 1 below the feed port 3, two groups of guide plates 12 are provided below the hammer mechanism, and a crushing mechanism for facilitating rock crushing is provided below the two groups of guide plates 12. A material guide bin 28 is provided at the bottom of the box body 1, and an output mechanism for facilitating material output is connected to the bottom of the material guide bin 28.
[0028] Specifically, the provided box 1 can provide a stable working platform for rock crushing operations, the provided hammering mechanism can be used to pre-crush the rock, the provided protective mechanism can prevent rock fragments from splashing during the hammering process, the provided crushing mechanism can further crush the pre-crushed rock, and the provided output mechanism can avoid blockage of the crushed rock during output. Furthermore, the above structure can perform multi-stage crushing on the rock, greatly improving the crushing effect of the rock, so as to facilitate the later use of the rock.
[0029] Among them, the hammering mechanism includes a plate hammer 8, a roller 7 passes through the inner side of the box body 1, and a first rotating shaft 9 connected to the box body 1 for rotation passes through the inside of the roller 7. One end of the first rotating shaft 9 is connected to the output end of the first motor 10 installed on one side of the box body 1. The outer ring of the roller 7 is installed with multiple groups of plate hammers 8, and the inner wall of the box body 1 is located on one side of the roller 7 and is equipped with two groups of impact plates 11. By starting the first motor 10, the first motor 10 can drive the first rotating shaft 9 to rotate, and the first rotating shaft 9 can drive the roller 7 to rotate, and the roller 7 can drive multiple groups of plate hammers 8 to rotate, so that the rock entering the box body 1 can be hammered by the action of multiple groups of plate hammers 8. The rock is repeatedly hit by the impact of the plate hammer 8 on the two groups of impact plates 11, so that the rock can be pre-crushed, and then through the setting, it is beneficial to better crushing the rock.
[0030] Among them, the protective mechanism includes a cover plate 5, a fixing rod 4 is provided on the inner side of the feed port 3, and a cover plate 5 is provided on the outer ring of the fixing rod 4, and is connected to the cover plate 5 through a torsion spring 6. When the rock is put into the interior of the box body 1 through the feed port 3, the rock can squeeze the cover plate 5 downward, and the cover plate 5 can rotate along the fixing rod 4. When the rock falls into the interior of the box body 1, the cover plate 5 can drive the cover plate 5 to move in the opposite direction and close the feed port 3 under the action of the reaction force of the torsion spring 6. Therefore, through the setting, the occurrence of stone fragments splashing can be effectively avoided.
[0031] Among them, the crushing mechanism includes two groups of crushing rollers 13, the inner side of the box body 1 is penetrated by two groups of crushing rollers 13, and the interior of the two groups of crushing rollers 13 is penetrated by a second rotating shaft 14, and both ends of the two groups of second rotating shafts 14 are rotatably connected with an adjusting plate 15, and one side of the two groups of adjusting plates 15 is installed with a driving motor 16, and the output ends of the two groups of driving motors 16 are respectively connected to the two groups of second rotating shafts 14, and the corresponding two groups of adjusting plates 15 are connected by an adjusting mechanism for facilitating the adjustment of the spacing between them. By starting the two groups of driving motors 16, the two groups of driving motors 16 can drive the two groups of second rotating shafts 14 to rotate, and the two groups of second rotating shafts 14 can drive the two groups of crushing rollers 13 to rotate, so that under the action of the two groups of crushing rollers 13, the pre-crushed rock can be further crushed, and then through the setting, the rock can be crushed in multiple stages, which greatly improves the crushing effect of the rock, so as to facilitate the later use of the rock.
[0032] Among them, the adjustment mechanism includes a second motor 27, a fixed cover 21 is installed on one side of the box body 1, two groups of support rods 22 are provided on the inner side of the fixed cover 21 and are slidably connected to the two groups of adjustment plates 15, and a rack plate 23 is installed on one side of the two groups of adjustment plates 15. A through groove 24 is provided on one side of the two groups of adjustment plates 15 to facilitate the movement of the rack plate 23. The two groups of rack plates 23 are meshed with the circular gear 25, and the interior of the circular gear 25 passes through a connecting shaft 26 that is rotatably connected to the fixed cover 21. One end of the connecting shaft 26 is connected to the output end of the second motor 27 installed on one side of the fixed cover 21. By starting the second motor 2 7. The second motor 27 can drive the connecting shaft 26 to rotate, and the connecting shaft 26 can drive the circular gear 25 to rotate. The circular gear 25 can drive the two sets of rack plates 23 to move in the opposite direction through meshing with the two sets of rack plates 23. The two sets of rack plates 23 can drive the two sets of adjustment plates 15 to move in the opposite direction. The two sets of adjustment plates 15 can drive the two sets of second rotating shafts 14 and the two sets of crushing rollers 13 to move in the opposite direction, so as to adjust the spacing between the two sets of crushing rollers 13. Furthermore, through the setting, the spacing between the crushing rollers 13 can be adjusted according to the particle size of the required rock fragments, which greatly improves the flexibility and operational convenience of the device.
[0033] Among them, two groups of movable grooves 17 are correspondingly opened on both sides of the box body 1 to facilitate the movement of the two groups of second rotating shafts 14, and sliding grooves 18 are opened on the inner walls on both sides of the movable grooves 17. The inner sides of the two groups of sliding grooves 18 are slidably connected with baffles 19 that are convenient for shielding the movable grooves 17. One end of the two groups of baffles 19 are respectively connected to the inner wall of one side of the two groups of sliding grooves 18 through two groups of springs 20. The movable grooves 17 can be shielded by the set baffles 19, and the set springs 20 can adaptively shield the movable grooves 17 when the second rotating shaft 14 moves.
[0034] Among them, the output mechanism includes an output cylinder 29 provided at the bottom of the guide bin 28, and the inner side of the output cylinder 29 is rotatably connected to a screw conveying shaft 30, and one end of the screw conveying shaft 30 is connected to the output end of a third motor 31 installed at one end of the output cylinder 29. By starting the third motor 31, the third motor 31 can drive the screw conveying shaft 30 to rotate, and the screw conveying shaft 30 can output the rock fragments falling into the output cylinder 29 to the outside, and thus through the setting, it can avoid the situation where the crushed rock is blocked during output.
[0035] Working principle: First, the rock is put into the box body 1 through the feed port 3, and then, by starting the first motor 10, the first motor 10 can drive the first rotating shaft 9 and the roller 7 to rotate, and the roller 7 can drive multiple sets of plate hammers 8 to rotate, so that the rock entering the box body 1 can be hammered by the multiple sets of plate hammers 8. The rock is repeatedly hit by the impact of the plate hammers 8 to hit the two sets of impact plates 11, so that the rock can be pre-crushed, and the pre-treated rock can fall between the two sets of crushing rollers 13 through the guide plate 12, and then by starting the two sets of drive motors 16, the two sets of drive motors 16 can drive the two sets of second rotating shafts 14 and the crushing rollers 13 to rotate, so that the pre-crushed rock can be further crushed by the action of the two sets of crushing rollers 13. Crushing processing improves the rock crushing effect. Finally, by starting the third motor 31, the third motor 31 can drive the spiral conveying shaft 30 to rotate, and the spiral conveying shaft 30 can output the rock fragments that fall into the output cylinder 29 to the outside. When it is necessary to adjust the spacing of the crushing rollers 13, by starting the second motor 27, the second motor 27 can drive the connecting shaft 26 to rotate, and the connecting shaft 26 can drive the circular gear 25 to rotate, and the circular gear 25 can drive the two sets of rack plates 23 to move in the opposite direction. The two sets of rack plates 23 can drive the two sets of adjusting plates 15 to move in the opposite direction. The two sets of adjusting plates 15 can drive the two sets of second rotating shafts 14 and the two sets of crushing rollers 13 to move in the opposite direction, so as to adjust the spacing of the two sets of crushing rollers 13, thereby completing the entire operation process.
[0036] The contents not described in detail in this specification belong to the prior art known to those skilled in the art.
[0037] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can 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 should be included in the scope of protection of the present invention.
Claims
1. A rock crusher for civil engineering, comprising a housing, the bottom of which is provided with four sets of supporting legs, characterized in that: A feed port is provided at the top of the box body, and a protective mechanism is provided on the inner side of the feed port to prevent gravel from splashing. A hammer mechanism is provided on the inner side of the box body below the feed port to facilitate rock pre-crushing. Two groups of guide plates are provided below the hammer mechanism, and crushing mechanisms are provided below the two groups of guide plates to facilitate rock crushing. A material guide bin is provided at the bottom of the box body, and an output mechanism is connected to the bottom of the material guide bin to facilitate material output.
2. A rock crusher for civil engineering according to claim 1, characterized in that: The hammering mechanism includes a plate hammer, a roller passes through the inner side of the box, a first rotating shaft connected to the box for rotation passes through the inside of the roller, one end of the first rotating shaft is connected to the output end of a first motor installed on one side of the box, multiple groups of plate hammers are installed on the outer ring of the roller, and two groups of impact plates are installed on the inner wall of the box on one side of the roller.
3. A rock crusher for civil engineering according to claim 2, characterized in that: The protection mechanism includes a cover plate. A fixing rod is provided on the inner side of the feed port. The outer ring of the fixing rod is provided with a cover plate, and the cover plate is connected to the cover plate through a torsion spring.
4. A rock crusher for civil engineering according to claim 1, characterized in that: The crushing mechanism includes two groups of crushing rollers, the inner side of the box body is penetrated by the two groups of crushing rollers, the interior of the two groups of crushing rollers is penetrated by a second rotating shaft, both ends of the two groups of second rotating shafts are rotatably connected with adjustment plates, one side of the two groups of adjustment plates is installed with a driving motor, the output ends of the two groups of driving motors are respectively connected to the two groups of second rotating shafts, and the corresponding two groups of adjustment plates are connected by an adjustment mechanism that facilitates the adjustment of their spacing.
5. A rock crusher for civil engineering according to claim 4, characterized in that: The adjusting mechanism includes a second motor, a fixed cover is installed on one side of the box body, two groups of support rods are provided on the inner side of the fixed cover and are slidably connected to the two groups of adjusting plates, a rack plate is installed on one side of the two groups of adjusting plates, and a through groove is opened on one side of the two groups of adjusting plates to facilitate the movement of the rack plates. The two groups of rack plates are meshed with circular gears, and a connecting shaft rotatably connected to the fixed cover passes through the interior of the circular gear, and one end of the connecting shaft is connected to the output end of the second motor installed on one side of the fixed cover.
6. A rock crusher for civil engineering according to claim 5, characterized in that: Two groups of movable grooves are provided on both sides of the box body to facilitate the movement of the two groups of second rotating shafts. Slide grooves are provided on the inner walls on both sides of the movable grooves. The inner sides of the two groups of slide grooves are slidably connected with baffles that facilitate shielding the movable grooves. One end of the two groups of baffles is connected to the inner wall of one side of the two groups of slide grooves through two groups of springs.
7. A rock crusher for civil engineering according to claim 1, characterized in that: The output mechanism includes an output cylinder provided at the bottom of the material guide bin, the inner side of the output cylinder is rotatably connected to a screw conveying shaft, and one end of the screw conveying shaft is connected to the output end of a third motor installed at one end of the output cylinder.