Rapid gravel crushing device for hydraulic engineering construction
By designing a device including a rack, crushing bucket, fixed crushing plate, moving crushing plate, screening plate, rack and gear, the crushing and screening of sand and gravel materials are realized, and the sand and gravel needs to be broken in the prior art. Problems with additional screening devices simplify the equipment structure and improve reliability.
Patent Information
- Application Number
- CN202420478102.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-12
- Publication Date
- 2024-12-27
- Estimated Expiration
- 2034-03-12
AI Technical Summary
The existing sand and gravel crushing devices do not have the screening function after crushing, and require additional special screening devices, resulting in complexity and inconvenience in the equipment.
A device including a rack, crushing bucket, fixed crushing plate, moving crushing plate, screen plate, rack, push plate and gear is designed. The crushing and screening of sand and gravel materials are achieved through the reciprocating movement of the moving crushing plate and the meshing of gears. There is no need for additional special screening devices, and the screening plate is blocked by the pushing effect of the push plate.
It realizes rapid crushing and screening of sand and gravel materials, simplifies the equipment structure, improves the reliability and simplification of the equipment, avoids clogging of the screen plate, and reduces the complexity of the equipment.
Smart Images
Figure CN222240404U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of sand and gravel crushing devices, in particular to a sand and gravel rapid crushing device for water conservancy project construction. Background Art
[0002] A large amount of sand and gravel is needed in the construction of water conservancy projects. Sand and gravel need to be crushed when preparing concrete. The crushed sand and gravel are graded and used to prepare concrete for different purposes.
[0003] There are many types of sand and gravel crushing devices, such as the jaw crusher anti-blocking structure and the jaw crusher proposed in the Chinese utility model patent with publication number CN213557228U. The baffle of the anti-blocking structure of the crusher will prevent the material from directly entering the crushing chamber. Instead, the material enters the crushing chamber along the gap due to the action of gravity, and the purpose of uniform feeding is achieved by the height difference, preventing blockage when too much material is added.
[0004] However, the above-mentioned jaw crusher does not have the function of screening the crushed sand and gravel after crushing the sand and gravel. The crushed sand and gravel still need a special screening device for screening, which is not conducive to the simplification of the equipment. Utility Model Content
[0005] In order to solve the above technical problems, the utility model provides a sand and gravel rapid crushing device for water conservancy project construction that can screen and crush sand and gravel without the need for additional special screening devices, which is conducive to the simplification of equipment and has good reliability.
[0006] The utility model discloses a sand and stone rapid crushing device for water conservancy project construction, comprising a frame, a crushing barrel, a fixed crushing plate and a movable crushing plate, the crushing barrel is mounted on the frame, the fixed crushing plate is mounted on the left side of the crushing barrel, the movable crushing plate is located on the right side of the crushing barrel, the lower end of the movable crushing plate is rotatably mounted on the frame through a rotating shaft, a driving mechanism of the movable crushing plate is arranged on the frame, and crushing teeth are arranged on opposite surfaces of the fixed crushing plate and the movable crushing plate; the utility model also comprises a sub-frame, a screen plate, a rack, a push plate and a gear, the sub-frame is mounted on the frame, the sub-frame is located below the crushing barrel, the screen plate is horizontally mounted on the sub-frame, the screen plate is located below the crushing barrel, two racks are respectively slidably mounted on the front and rear sides of the sub-frame, two ends of the push plate are respectively connected to two racks, a gap is arranged between the lower end surface of the push plate and the screen plate, two gears are respectively concentrically arranged at two ends of the rotating shaft of the movable crushing plate, and the two gears are respectively meshed with the two racks; the driving mechanism on the frame drives the upper end of the movable crushing plate to move toward the fixed crushing The plate moves back and forth, and sand and gravel are put into between the fixed crushing plate and the dynamic crushing plate, and the crushing barrel surrounds the sand and gravel. When the dynamic crushing plate approaches the fixed crushing plate, the crushing teeth on the dynamic crushing plate and the fixed crushing plate crush the sand and gravel. When the dynamic crushing plate moves away from the fixed crushing plate, the crushed sand and gravel fall onto the screen plate through the crushing barrel. Sand and gravel fragments with a diameter smaller than the screen holes of the screen plate pass through the screen plate and fall under the sub-frame, and sand and gravel fragments with a diameter larger than the screen holes of the screen plate are intercepted on the screen plate. When the dynamic crushing plate moves back and forth, the rotating shaft of the dynamic crushing plate drives the gear to rotate reciprocatingly, and the two gears mesh with the two racks, so that the two racks move back and forth on the sub-frame, and the two racks drive the push plate to move back and forth on the screen plate, so that the push plate pushes the sand and gravel fragments intercepted on the screen plate to the left and right sides of the screen plate, thereby realizing the screening of the broken sand and gravel materials. No additional special screening device is required, which is beneficial to the simplification of the equipment. Moreover, the pushing action of the push plate can prevent the screen plate from being blocked by large pieces of sand and gravel, and the reliability is good.
[0007] Preferably, it also includes a swing arm and a lever, the screen plate is slidably installed on the sub-frame, the upper end of the swing arm is connected to the rotating shaft of the movable crushing plate, the lower end of the swing arm is provided with a slide groove, the lever is installed on the side wall of the screen plate, and the lever is slidably arranged in the slide groove of the swing arm; when the upper end of the movable crushing plate reciprocates, the movable crushing plate drives the swing arm to swing back and forth through the rotating shaft, and the slide groove of the swing arm drives the screen plate to reciprocate on the sub-frame through the lever, and the moving direction of the screen plate is opposite to the moving direction of the push plate, so that the screen plate can screen the sand and gravel on it, thereby further reducing the blockage of the screen plate.
[0008] Preferably, it also includes two guide plates, which are respectively installed obliquely on the left and right sides of the auxiliary frame, and the two auxiliary frames are located below the two ends of the screen plate; the two guide plates push the large pieces of sand and gravel crushed materials from the screen plate for guidance, so that the two sizes of sand and gravel crushed materials are transported separately, reducing the mixing of large and small sand and gravel materials.
[0009] Preferably, the driving mechanism includes a hydraulic unit, a piston cylinder and a piston rod 1. The hydraulic unit is installed on the frame, the lower end of the piston cylinder is rotatably connected to the frame, the lower end of the piston rod 1 is slidably installed in the piston cylinder, the upper end of the piston rod 1 is rotatably connected to the upper end of the moving crushing plate, a reflux port is provided at the upper part of the piston cylinder, and an oil inlet is provided at the lower part of the piston cylinder. The piston cylinder is connected to the oil outlet and the oil receiving port of the hydraulic unit through the oil inlet and the reflux port through pipelines; the hydraulic unit transports hydraulic oil to the oil inlet of the piston cylinder through the pipeline, thereby pushing the piston rod 1 upward, and the hydraulic oil in the upper part of the piston of the piston rod 1 flows back to the oil receiving port of the hydraulic unit through the pipeline, so that the piston rod 1 pushes the upper end of the moving crushing plate around the rotating shaft to approach the fixed crushing plate to squeeze and crush sand and gravel, and the hydraulic unit reverses the oil supply to make the piston rod 1 reset and move in the piston cylinder, thereby realizing the extension and retraction of the piston rod 1, and the technology is mature.
[0010] Preferably, it also includes a valve body, a piston rod 2, a bracket, a push rod and two blocks, the valve body is installed on the piston cylinder, a chamber is arranged inside the valve body, an outlet 1 is arranged at the lower part of one side of the valve body, an inlet 1 is arranged at the upper part of the one side, the outlet 1 is connected with the oil inlet of the piston cylinder, the inlet 1 is connected with the reflux port of the piston cylinder, an inlet 2 is arranged at the lower part of the other side of the valve body, an outlet 2 is arranged at the upper part of the other side, the outlet 2 is aligned with the inlet 1, the inlet 2 is located at the lower side of the outlet 1, the lower end piston of the piston rod 2 is slidably arranged in the chamber of the valve body, the upper end of the piston rod 2 extends out of the upper outside of the valve body, the lower end of the bracket is installed on the piston cylinder, the middle part of the push rod is rotatably connected with the upper end of the bracket, a long slide groove is arranged at one end of the push rod, the upper end of the piston rod 2 is slidably connected with the long slide groove of the push rod, two blocks are installed on the piston rod 1, and the other end of the push rod is located between the two blocks; when hydraulic oil is input into the piston cylinder, the piston of the piston rod 2 is located between the inlet 1 and the outlet 1 of the valve body, so that the hydraulic oil When the cam is in the oil-cooled state, the oil pressure in the oil-cooled state is too high, and the oil pressure in the oil-cooled state is too high, so the cam will not be lowered until the cam is in the oil-cooled state.
[0011] Preferably, it also includes a mounting screw, a strut one and a strut two, a plurality of mounting holes are provided on the frame, the lower end of the fixed crushing plate is installed on the mounting hole through the mounting screw, the lower end of the strut one is rotatably connected to the frame, and the upper end of the strut two is rotatably connected to the upper end of the fixed crushing plate, a plurality of through holes are provided on the strut one and the strut two, and a plurality of bolts respectively pass through the plurality of through holes of the strut one and the strut two to lock the strut one and the strut two; the strut one and the strut two support the upper part of the fixed crushing plate, and the mounting screw installs the lower end of the fixed crushing plate. When the spacing between the fixed crushing plate and the movable crushing plate needs to be adjusted, the lower end of the fixed crushing plate is locked in the corresponding mounting hole of the frame through the mounting screw, and the relative positions of the strut one and the strut two are adjusted so that the plurality of through holes on the strut one and the strut two are aligned, and the strut one and the strut two are locked using a plurality of bolts to achieve adjustment of the size of sand and gravel crushing and improve versatility.
[0012] Compared with the prior art, the utility model has the following beneficial effects: the driving mechanism on the frame drives the upper end of the movable crushing plate to move back and forth toward the fixed crushing plate, and the sand and gravel are put between the fixed crushing plate and the movable crushing plate, and the crushing barrel surrounds the sand and gravel. When the movable crushing plate approaches the fixed crushing plate, the crushing teeth on the movable crushing plate and the fixed crushing plate crush the sand and gravel. When the movable crushing plate moves away from the fixed crushing plate, the crushed sand and gravel fall onto the screen plate through the crushing barrel. The sand and gravel fragments with a diameter smaller than the screen hole of the screen plate fall below the auxiliary frame through the screen plate, and the sand and gravel fragments with a diameter larger than the screen hole of the screen plate fall below the auxiliary frame. The sand and gravel fragments in the holes are intercepted on the screen plate. When the dynamic crushing plate moves back and forth, the rotating shaft of the dynamic crushing plate drives the gear to rotate back and forth, and the two gears mesh with the two racks, so that the two racks move back and forth on the sub-frame, and the two racks drive the push plate to move back and forth on the screen plate, so that the push plate pushes the sand and gravel fragments intercepted on the screen plate to the left and right sides of the screen plate, realizing the screening of broken sand and gravel. No additional special screening device is required, which is conducive to the simplification of the equipment. The pushing effect of the push plate can prevent the screen plate from being blocked by large pieces of sand and gravel, and has good reliability. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 It is a structural schematic diagram of the utility model;
[0014] Figure 2 It is a front sectional structural schematic diagram of the utility model;
[0015] Figure 3 It is a structural schematic diagram of the fixed crushing plate, the movable crushing plate and the driving mechanism;
[0016] Figure 4 It is a structural diagram of the dynamic crushing plate, screen plate, rack, push plate, gear and swing arm;
[0017] Figure 5 It is a schematic diagram of the structure of the auxiliary frame, screen plate, rack, push plate and guide plate;
[0018] Figure 6 It is a structural diagram of a drive mechanism, a piston rod, a bracket, a push rod and a stopper.
[0019] Markings in the attached drawings: 1. frame; 2. crushing barrel; 3. fixed crushing plate; 4. dynamic crushing plate; 5. auxiliary frame; 6. screen plate; 7. rack; 8. push plate; 9. gear; 10. swing arm; 11. lever; 12. guide plate; 13. hydraulic unit; 14. piston cylinder; 15. piston rod one; 16. valve body; 17. piston rod two; 18. bracket; 19. push rod; 20. block; 21. mounting screw; 22. support rod one; 23. support rod two. DETAILED DESCRIPTION
[0020] In order to facilitate the understanding of the utility model, the utility model will be described more comprehensively below with reference to the relevant drawings. The utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.
[0021] Example 1
[0022] like Figures 1 to 5 As shown, a sand and gravel rapid crushing device for water conservancy project construction includes a frame 1, a crushing barrel 2, a fixed crushing plate 3 and a dynamic crushing plate 4, the crushing barrel 2 is installed on the frame 1, the fixed crushing plate 3 is installed on the left side of the crushing barrel 2, the dynamic crushing plate 4 is located on the right side of the crushing barrel 2, the lower end of the dynamic crushing plate 4 is rotatably installed on the frame 1 through a rotating shaft, a driving mechanism of the dynamic crushing plate 4 is arranged on the frame 1, and crushing teeth are arranged on the opposite surfaces of the fixed crushing plate 3 and the dynamic crushing plate 4; it also includes a sub-frame 5, a screen plate 6, a rack 7, a push plate 8 and a gear 9, the sub-frame 5 is installed on the frame 1, the sub-frame 5 is located below the crushing barrel 2, the screen plate 6 is horizontally installed on the sub-frame 5, the screen plate 6 is located below the crushing barrel 2, and the two racks 7 are respectively It is slidably installed on the front and rear sides of the auxiliary frame 5, and the two ends of the push plate 8 are respectively connected to two racks 7, and a gap is set between the lower end surface of the push plate 8 and the screen plate 6. Two gears 9 are concentrically arranged at the two ends of the rotating shaft of the dynamic crushing plate 4, and the two gears 9 are respectively meshed with the two racks 7; it also includes a swing arm 10 and a lever 11, the screen plate 6 is slidably installed on the auxiliary frame 5, the upper end of the swing arm 10 is connected to the rotating shaft of the dynamic crushing plate 4, and a slide groove is set at the lower end of the swing arm 10, the lever 11 is installed on the side wall of the screen plate 6, and the lever 11 is slidably set in the slide groove of the swing arm 10; it also includes two guide plates 12, and the two guide plates 12 are respectively obliquely installed on the left and right sides of the auxiliary frame 5, and the two auxiliary frames 5 are located below the two ends of the screen plate 6.
[0023] The driving mechanism on the frame 1 drives the upper end of the movable crushing plate 4 to move back and forth toward the fixed crushing plate 3, and the sand and gravel are put between the fixed crushing plate 3 and the movable crushing plate 4, and the crushing barrel 2 surrounds the sand and gravel. When the movable crushing plate 4 approaches the fixed crushing plate 3, the crushing teeth on the movable crushing plate 4 and the fixed crushing plate 3 crush the sand and gravel. When the movable crushing plate 4 moves away from the fixed crushing plate 3, the crushed sand and gravel fall onto the screen plate 6 through the crushing barrel 2, and the sand and gravel fragments with a diameter smaller than the sieve holes of the screen plate 6 pass through the screen plate 6 and fall below the auxiliary frame 5, and the sand and gravel fragments with a diameter larger than the sieve holes of the screen plate 6 are intercepted on the screen plate 6. When the movable crushing plate 4 moves back and forth, the rotating shaft of the movable crushing plate 4 drives the gear 9 to rotate back and forth, and the two gears 9 mesh with the two racks 7, so that the two racks 7 move back and forth on the auxiliary frame 5, and the two racks 7 drive the push plate 8 to move on the screen plate 6 reciprocates, so that the push plate 8 pushes the sand and gravel fragments intercepted on the screen plate 6 to the left and right sides of the screen plate 6, thereby realizing the screening of the crushed sand and gravel materials, without the need for additional special screening devices, which is conducive to the simplification of the equipment, and through the pushing effect of the push plate 8, the screen plate 6 is prevented from being blocked by large pieces of sand and gravel. When the upper end of the movable crushing plate 4 reciprocates, the movable crushing plate 4 drives the swing arm 10 to swing back and forth through the rotating shaft, and the slide groove of the swing arm 10 drives the screen plate 6 to reciprocate on the sub-frame 5 through the shifting rod 11, and the moving direction of the screen plate 6 is opposite to the moving direction of the push plate 8, so that the screen plate 6 can screen the sand and gravel fragments thereon, further reducing the blockage of the screen plate 6, and the two guide plates 12 guide the large pieces of sand and gravel crushed materials pushed down from the screen plate 6, so that the two sizes of sand and gravel fragments are transported separately, reducing the mixing of large and small sand and gravel materials.
[0024] Example 2
[0025] like Figure 1 , Figure 2 and Figure 6As shown, on the basis of Example 1, the driving mechanism includes a hydraulic unit 13, a piston cylinder 14 and a piston rod 15, the hydraulic unit 13 is installed on the frame 1, the lower end of the piston cylinder 14 is rotatably connected to the frame 1, the lower end of the piston rod 15 is slidably installed in the piston cylinder 14, the upper end of the piston rod 15 is rotatably connected to the upper end of the dynamic crushing plate 4, a return port is arranged at the upper part of the piston cylinder 14, an oil inlet is arranged at the lower part of the piston cylinder 14, and the piston cylinder 14 is connected to the oil outlet and the oil receiving port of the hydraulic unit 13 through pipelines through the oil inlet and the return port; it also includes a valve body 16, a piston rod 17, a bracket 18, a push rod 19 and two blocks 20, the valve body 16 is installed on the piston cylinder 14, a chamber is arranged inside the valve body 16, and an outlet 1 is arranged at the lower part of one side of the valve body 16, An inlet one is arranged at the upper part of one side, and the outlet one is connected to the oil inlet of the piston cylinder 14, and the inlet one is connected to the reflux port of the piston cylinder 14; an inlet two is arranged at the lower part of the other side of the valve body 16, and an outlet two is arranged at the upper part of the other side, and the outlet two is aligned with the inlet one, and the inlet two is located at the lower side of the outlet one; the lower end piston of the piston rod 17 is slidingly arranged in the chamber of the valve body 16, and the upper end of the piston rod 17 extends out of the upper outside of the valve body 16; the lower end of the bracket 18 is installed on the piston cylinder 14, the middle part of the push rod 19 is rotatably connected to the upper end of the bracket 18, a long slide groove is arranged at one end of the push rod 19, and the upper end of the piston rod 17 is slidably connected to the long slide groove of the push rod 19; two blocks 20 are installed on the piston rod 15, and the other end of the push rod 19 is located between the two blocks 20.
[0026] When the hydraulic unit 13 inputs hydraulic oil into the piston cylinder 14, the piston of the piston rod 17 is located between the inlet 1 and the outlet 1 of the valve body 16, so that the hydraulic oil enters the piston cylinder 14 through the inlet 2 and the outlet 1 of the valve body 16 and the oil inlet of the piston cylinder 14 and pushes the piston rod 15 to extend upward. At the same time, the hydraulic oil on the upper part of the piston rod 15 flows back to the hydraulic unit 13 through the oil outlet of the piston cylinder 14 and the inlet 1 and the outlet 2 of the valve body 16, thereby pushing the piston rod 15 upward, so that the piston rod 15 pushes the upper end of the movable crushing plate 4 around the rotating shaft to approach the fixed crushing plate 3 to squeeze and crush the sand and gravel. When the piston rod 15 is extended, the piston rod 15 drives the two blocks 20 to move, and the block 20 located at the bottom pushes one end of the push rod 19. The other end of the push rod 19 pushes the piston rod 17 toward the lower end of the valve body 16, so that the piston of the piston rod 17 closes the inlet 2 of the valve body 16. At this time, the outlet 1 and the inlet 1 of the valve body 16 are connected. At this time, the piston rod 15 loses the thrust of the hydraulic oil, and the gravity of the dynamic crushing plate 4 pushes the piston rod 15 toward the lower part of the piston cylinder 14, so that the hydraulic oil under the piston of the piston rod 15 flows into the upper part of the piston rod 15 through the oil inlet of the piston cylinder 14, the outlet 1 of the valve body 16, the chamber of the valve body 16, the inlet 1 of the valve body 16 and the reflux port of the piston cylinder 14, thereby resetting the piston rod 15, simplifying the operation and structure of the hydraulic unit 13, reducing the impact of the hydraulic oil on the hydraulic unit 13, and improving the reliability of the device.
[0027] Example 3
[0028] like Figure 1 and Figure 2 As shown, on the basis of Example 1, it also includes an installation screw 21, a strut 1 22 and a strut 23. A plurality of installation holes are arranged on the frame 1. The lower end of the fixed crushing plate 3 is installed on the installation hole through the installation screw 21. The lower end of the strut 1 22 is rotatably connected to the frame 1. The upper end of the strut 23 is rotatably connected to the upper end of the fixed crushing plate 3. A plurality of through holes are arranged on the strut 1 22 and the strut 23. A plurality of bolts respectively pass through the plurality of through holes of the strut 1 22 and the strut 23 to lock the strut 1 22 and the strut 23.
[0029] The support rod 1 22 and the support rod 23 support the upper part of the fixed crushing plate 3, and the mounting screw 21 is used to install the lower end of the fixed crushing plate 3. When the distance between the fixed crushing plate 3 and the movable crushing plate 4 needs to be adjusted, the lower end of the fixed crushing plate 3 is locked in the corresponding mounting hole of the frame 1 through the mounting screw 21, and the relative positions of the support rod 1 22 and the support rod 2 23 are adjusted so that the multiple through holes on the support rod 1 22 and the support rod 2 23 are aligned, and the support rod 1 22 and the support rod 2 23 are locked using multiple bolts to adjust the size of sand and gravel crushing and improve versatility.
[0030] like Figures 1 to 6As shown, the utility model is a kind of sand and gravel rapid crushing device for water conservancy project construction. When it is working, first, the piston rod 15 on the frame 1 is extended and retracted in the piston cylinder 14 to drive the upper end of the dynamic crushing plate 4 to move back and forth toward the fixed crushing plate 3, and the sand and gravel are put between the fixed crushing plate 3 and the dynamic crushing plate 4, and the crushing barrel 2 surrounds the sand and gravel. Then, when the dynamic crushing plate 4 approaches the fixed crushing plate 3, the crushing teeth on the dynamic crushing plate 4 and the fixed crushing plate 3 crush the sand and gravel. When the dynamic crushing plate 4 moves away from the fixed crushing plate 3, the crushed sand and gravel fall onto the screen plate 6 through the crushing barrel 2, and the sand and gravel fragments with a diameter smaller than the sieve holes of the sieve plate 6 fall into the bottom of the auxiliary frame 5 through the sieve plate 6, and the sand and gravel fragments with a diameter larger than the sieve holes of the sieve plate 6 are intercepted on the sieve plate 6, and then the dynamic crushing plate 4 moves back and forth. When the movable crushing plate 4 moves back and forth, the rotating shaft of the movable crushing plate 4 drives the gear 9 to rotate reciprocatingly, and the two gears 9 mesh with the two racks 7, so that the two racks 7 move back and forth on the sub-frame 5, and the two racks 7 drive the push plate 8 to move back and forth on the screen plate 6, so that the push plate 8 pushes the sand and gravel fragments intercepted on the screen plate 6 to the left and right sides of the screen plate 6, and the two guide plates 12 push the large sand and gravel crushed materials from the screen plate 6 for guidance, so that the two sizes of sand and gravel fragments are transported separately. Finally, when the upper end of the movable crushing plate 4 moves back and forth, the movable crushing plate 4 drives the swing arm 10 to swing back and forth through the rotating shaft, and the slide slot of the swing arm 10 drives the screen plate 6 to move back and forth on the sub-frame 5 through the shifting rod 11, and the moving direction of the screen plate 6 is opposite to the moving direction of the push plate 8, so that the screen plate 6 can screen the sand and gravel fragments thereon.
[0031] The main functions achieved by this utility model are:
[0032] 1. It can screen and crush sand and gravel without the need for additional special screening devices, which is conducive to the simplification of equipment;
[0033] 2. The pushing action of the push plate 8 can prevent the screen plate 6 from being blocked by large pieces of sand and gravel.
[0034] The utility model is a kind of sand and gravel rapid crushing device for water conservancy project construction, and its installation method, connection method or setting method are all common mechanical methods, and can be implemented as long as it can achieve its beneficial effects; the frame 1, crushing barrel 2, fixed crushing plate 3, dynamic crushing plate 4, screen plate 6, rack 7, gear 9, hydraulic unit 13, piston cylinder 14, piston rod one 15, and piston rod two 17 of the sand and gravel rapid crushing device for water conservancy project construction of the utility model are purchased on the market, and technical personnel in the industry only need to install and operate it according to the accompanying instruction manual, without the need for technical personnel in this field to pay creative labor.
[0035] All technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.
[0036] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.
Claims
1. A sand and gravel rapid crushing device for water conservancy project construction, comprising a frame (1), a crushing barrel (2), a fixed crushing plate (3) and a movable crushing plate (4), wherein the crushing barrel (2) is mounted on the frame (1), the fixed crushing plate (3) is mounted on the left side of the crushing barrel (2), the movable crushing plate (4) is located on the right side of the crushing barrel (2), the lower end of the movable crushing plate (4) is rotatably mounted on the frame (1) via a rotating shaft, a driving mechanism of the movable crushing plate (4) is arranged on the frame (1), and crushing teeth are arranged on opposite surfaces of the fixed crushing plate (3) and the movable crushing plate (4); characterized in that: The invention also comprises a sub-frame (5), a screen plate (6), a rack (7), a push plate (8) and a gear (9), wherein the sub-frame (5) is mounted on the frame (1), the sub-frame (5) is located below the crushing barrel (2), the screen plate (6) is horizontally mounted on the sub-frame (5), the screen plate (6) is located below the crushing barrel (2), two racks (7) are respectively slidably mounted on the front and rear sides of the sub-frame (5), two ends of the push plate (8) are respectively connected to the two racks (7), a gap is arranged between the lower end surface of the push plate (8) and the screen plate (6), two gears (9) are respectively concentrically arranged at the two ends of the rotating shaft of the moving crushing plate (4), and the two gears (9) are respectively meshed with the two racks (7).
2. A sand and gravel rapid crushing device for water conservancy project construction as claimed in claim 1, characterized in that: The invention also comprises a swing arm (10) and a lever (11), wherein the screen plate (6) is slidably mounted on the auxiliary frame (5), the upper end of the swing arm (10) is connected to the rotating shaft of the movable crushing plate (4), a slide groove is arranged at the lower end of the swing arm (10), the lever (11) is mounted on the side wall of the screen plate (6), and the lever (11) is slidably arranged in the slide groove of the swing arm (10).
3. A sand and gravel rapid crushing device for water conservancy project construction as claimed in claim 1, characterized in that: It also includes two guide plates (12), which are respectively installed obliquely on the left and right sides of the auxiliary frame (5), and the two auxiliary frames (5) are located below the two ends of the screen plate (6).
4. A sand and gravel rapid crushing device for water conservancy project construction as claimed in claim 1, characterized in that: The driving mechanism comprises a hydraulic unit (13), a piston cylinder (14) and a piston rod (15); the hydraulic unit (13) is mounted on a frame (1); the lower end of the piston cylinder (14) is rotatably connected to the frame (1); the lower end of the piston rod (15) is slidably mounted in the piston cylinder (14); the upper end of the piston rod (15) is rotatably connected to the upper end of the movable crushing plate (4); a return port is arranged at the upper part of the piston cylinder (14); an oil inlet is arranged at the lower part of the piston cylinder (14); the piston cylinder (14) is connected to the oil outlet and the oil receiving port of the hydraulic unit (13) through pipelines via the oil inlet and the return port.
5. A sand and gravel rapid crushing device for water conservancy project construction as claimed in claim 4, characterized in that: The valve body (16) further comprises a valve body (16), a second piston rod (17), a bracket (18), a push rod (19) and two stoppers (20). The valve body (16) is mounted on the piston cylinder (14). A chamber is arranged inside the valve body (16). An outlet 1 is arranged at a lower portion of one side of the valve body (16). An inlet 1 is arranged at an upper portion of the one side. The outlet 1 is connected to an oil inlet of the piston cylinder (14). The inlet 1 is connected to a reflux port of the piston cylinder (14). An inlet 2 is arranged at a lower portion of the other side of the valve body (16). An outlet 2 is arranged at an upper portion of the other side. The outlet 2 is aligned with the inlet 1. The inlet 2 is located at the outlet. The lower end of the piston rod (17) is slidably arranged in the chamber of the valve body (16), the upper end of the piston rod (17) extends out of the upper part of the valve body (16), the lower end of the bracket (18) is installed on the piston cylinder (14), the middle part of the push rod (19) is rotatably connected with the upper end of the bracket (18), a long slide groove is arranged at one end of the push rod (19), the upper end of the piston rod (17) is slidably connected with the long slide groove of the push rod (19), two stoppers (20) are installed on the piston rod (15), and the other end of the push rod (19) is located between the two stoppers (20).
6. A sand and gravel rapid crushing device for water conservancy project construction as claimed in claim 1, characterized in that: The invention also comprises a mounting screw rod (21), a support rod 1 (22) and a support rod 2 (23). A plurality of mounting holes are arranged on the frame (1). The lower end of the fixed crushing plate (3) is mounted on the mounting hole through the mounting screw rod (21). The lower end of the support rod 1 (22) is rotatably connected to the frame (1). The upper end of the support rod 2 (23) is rotatably connected to the upper end of the fixed crushing plate (3). A plurality of through holes are arranged on the support rod 1 (22) and the support rod 2 (23). A plurality of bolts respectively pass through the plurality of through holes of the support rod 1 (22) and the support rod 2 (23) to lock the support rod 1 (22) and the support rod 2 (23).