Building gravel crushing device
By designing a building sand and gravel crushing device with multi-stage crushing mechanism, the problems of low sand and gravel crushing efficiency and unsatisfactory screening in the prior art are solved, and the flexibility and efficiency of multi-particle screening are achieved.
Patent Information
- Application Number
- CN202420881169.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-25
- Publication Date
- 2024-12-27
- Estimated Expiration
- 2034-04-25
AI Technical Summary
The existing sand and gravel crushing methods are inefficient, unable to meet the needs of large-scale projects, and the screening effect is not ideal, so the particle size cannot be adjusted according to the needs.
A construction sand and gravel crushing device including primary and secondary crushing mechanisms is designed. The two crushing mechanisms are separated by insert plates, and can be used alone or simultaneously to achieve multi-grain screening of sand and gravel.
It realizes efficient screening of sand and gravel particle size adjusted according to needs, and can screen sand and gravel into two or three particle sizes to meet the needs of different projects.
Smart Images
Figure CN222240441U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of sand and gravel crushing, in particular to a construction sand and gravel crushing device. Background Art
[0002] With the rapid development of the construction industry, the demand for sand and gravel is increasing. However, the current sand and gravel crushing methods often use manual or simple mechanical crushing, which is inefficient and cannot meet the needs of large-scale projects. In the process of sand and gravel crushing, sand and gravel of different particle sizes have different uses. Some projects require larger-sized crushed stones as aggregates, while other projects require finer sand and gravel for the production of building materials such as concrete and asphalt. The current screening methods are often inefficient, and the screening effect is not ideal, and cannot be adjusted according to demand. Utility Model Content
[0003] In order to overcome the above-mentioned shortcomings, the utility model provides a construction sand and gravel crushing device.
[0004] The technical solution adopted by this utility model:
[0005] A construction sand and gravel crushing device comprises a crushing box, which is a rectangular shell structure. A primary crushing mechanism and a secondary crushing mechanism are arranged in the crushing box. The secondary crushing mechanism is located below the primary crushing mechanism. The primary crushing mechanism and the secondary crushing mechanism have the same structure and the bottoms of the primary crushing mechanism and the secondary crushing mechanism face oppositely. A plug plate is inserted into the front side wall of the crushing box, the plug plate is located below the primary crushing mechanism and above the secondary crushing mechanism, the plug plate extends backward and passes through the rear side wall of the crushing box, the plug plate is slidably matched with the crushing box, the front end of the plug plate is vertically fixedly connected with an auxiliary plate, the inner wall of the crushing box is fixedly connected with a bottom plate, the bottom plate is located at the bottom of the secondary crushing mechanism, and the bottom plate is inclined.
[0006] The primary crushing mechanism includes two guide plates, crushing rollers, a screen, a motor, gear one, gear two, a vibrator, a fixed plate, a guide rod, a spring, a discharge pipe two, a discharge pipe one, a vibrator and a rotating shaft. The two guide plates are fixedly connected to the top of the inner wall of the crushing box. The two guide plates are symmetrical on the left and right and tilted downward towards each other. Two rotating shafts are rotatably connected between the front and rear inner walls of the crushing box. The two rotating shafts are located below the guide plates. The two rotating shafts are symmetrical on the left and right. The outer walls of the rotating shafts are fixedly connected with crushing rollers. The two crushing rollers are gap-matched. The rear ends of the two rotating shafts pass through the rear side wall of the crushing box. The rear ends of the two rotating shafts are respectively fixedly connected with gear one, and the two gear ones are meshed with each other. The two gear ones are outside the rear side wall of the crushing box. The two gear ones are gap-matched with the rear side wall of the crushing box. The rear side wall of the crushing box is fixedly connected with a motor. The outer wall of the output shaft of the motor is fixedly connected with gear two, and gear two is connected to one of them Gear 1 is meshed with each other, and the right side wall of the crushing box is fixedly connected with a discharge pipe 1, which is a rectangular tube. The right end bottom of the discharge pipe 1 is fixedly connected with a discharge pipe 2, and the inner side of the discharge pipe 1 is provided with a screen. The left side wall of the crushing box has an opening, and the screen extends to the upper left and passes through the opening, and the screen matches the gap between the opening and the screen. A fixed plate is provided below the left end of the screen, and the fixed plate is vertically fixedly connected to the left side wall of the crushing box. The fixed plate is at the lower part of the opening, and the bottom four corners of the screen are fixedly connected with guide rods. The two guide rods on the left side vertically penetrate the fixed plate and slide with the fixed plate, and the two guide rods on the right side vertically penetrate the inner bottom wall of the discharge pipe 1 and slide with the discharge pipe 1. A spring is sleeved on the outer wall of the guide rod, and the two ends of the left spring respectively abut against the top of the fixed plate and the bottom of the screen, and the two ends of the right spring respectively abut against the inner bottom wall of the discharge pipe 1 and the bottom of the screen, and the left end of the screen is fixedly connected with a vibrator.
[0007] The bottom of the primary crushing mechanism comprises a second discharge pipe, a first discharge pipe, a vibrator, a spring, a fixing plate and a guide rod. The bottoms of the primary crushing mechanism and the secondary crushing mechanism are arranged in opposite directions.
[0008] Beneficial effects of the utility model:
[0009] The utility model adopts a primary crushing mechanism and a secondary crushing mechanism, and the two crushing mechanisms are separated by a plug plate. The primary crushing mechanism can be used alone to screen sand and gravel into two particle sizes, or the two crushing mechanisms can be used together to screen sand and gravel into three particle sizes, which is convenient for users to adjust according to needs. BRIEF DESCRIPTION OF THE DRAWINGS
[0010] Figure 1 It is a schematic diagram of the structure of the utility model;
[0011] Figure 2 It is a cross-sectional view of the utility model;
[0012] Figure 3 It is a schematic diagram of the utility model from the rear side perspective;
[0013] Figure 4 It is a cross-sectional view of the utility model.
[0014] In all the drawings, the specific reference numerals are: 1. crushing box; 2. primary crushing mechanism; 3. secondary crushing mechanism; 4. plug plate; 41. auxiliary plate; 5. bottom plate; 21. guide plate; 22. rotating shaft; 23. crushing roller; 24. gear one; 25. motor; 26. gear two; 27. discharge pipe one; 28. discharge pipe two; 29. screen; 210. fixed plate; 211. guide rod; 212. spring; 213. vibrator; 214. opening. DETAILED DESCRIPTION
[0015] like Figure 1-4 As shown: a construction sand and gravel crushing device, including a crushing box 1, the crushing box 1 is a rectangular shell structure, the crushing box 1 is provided with a primary crushing mechanism 2 and a secondary crushing mechanism 3, the secondary crushing mechanism 3 is located below the primary crushing mechanism 2, the primary crushing mechanism 2 and the secondary crushing mechanism 3 have the same structure and the bottoms of the primary crushing mechanism 2 and the secondary crushing mechanism 3 face oppositely, a plug plate 4 is inserted into the front side wall of the crushing box 1, the plug plate 4 is located below the primary crushing mechanism 2 and above the secondary crushing mechanism 3, the plug plate 4 extends backward and passes through the rear side wall of the crushing box 1, the plug plate 4 is slidably matched with the crushing box 1, the front end of the plug plate 4 is vertically fixedly connected with an auxiliary plate 41, the inner wall of the crushing box 1 is fixedly connected with a bottom plate 5, the bottom plate 5 is located at the bottom of the secondary crushing mechanism 3, and the bottom plate 5 is inclined.
[0016] The primary crushing mechanism 2 includes two guide plates 21, a crushing roller 23, a screen 29, a motor 25, a gear 1 24, a gear 26, a vibrator 213, a fixed plate 210, a guide rod 211, a spring 212, a discharge pipe 28, a discharge pipe 1 27, a vibrator 213 and a rotating shaft 22. The two guide plates 21 are fixedly connected to the top of the inner wall of the crushing box 1. The two guide plates 21 are symmetrical and tilted downward toward each other. Two rotating shafts 22 are rotatably connected between the front and rear inner walls of the crushing box 1. The two rotating shafts 22 are located below the guide plates 21. The two rotating shafts 2 2 are symmetrical on the left and right, the outer wall of the rotating shaft 22 is fixedly connected with a crushing roller 23, the two crushing rollers 23 are gap-matched, the rear ends of the two rotating shafts 22 both penetrate the rear side wall of the crushing box 1, the rear ends of the two rotating shafts 22 are respectively fixedly connected with a gear 1 24, the two gears 1 24 are meshed, the two gears 1 24 are outside the rear side wall of the crushing box 1, the two gears 1 24 are gap-matched with the rear side wall of the crushing box 1, the rear side wall of the crushing box 1 is fixedly connected with a motor 25, the outer wall of the output shaft of the motor 25 is fixedly connected with a gear 2 26, the gear 2 26 is meshed with one of the gears 1 24 The right side wall of the crushing box 1 is fixedly connected with a discharge pipe 27, which is a rectangular tube. The right end bottom of the discharge pipe 27 is fixedly connected with a discharge pipe 28. The inner side of the discharge pipe 27 has a screen 29. The left side wall of the crushing box 1 has an opening 214. The screen 29 extends to the upper left and passes through the opening 214. The screen 29 and the opening 214 are matched with each other. A fixed plate 210 is provided below the left end of the screen 29. The fixed plate 210 is vertically fixedly connected to the left side wall of the crushing box 1. The fixed plate 210 is at the lower part of the opening 214. The bottom of the screen 29 Guide rods 211 are fixedly connected to the four corners. The two guide rods 211 on the left side vertically penetrate the fixed plate 210 and slide with the fixed plate 210. The two guide rods 211 on the right side vertically penetrate the inner bottom wall of the discharge pipe 27 and slide with the discharge pipe 27. The outer wall of the guide rod 211 is sleeved with a spring 212. The two ends of the left spring 212 respectively abut against the top of the fixed plate 210 and the bottom of the screen 29. The two ends of the right spring 212 respectively abut against the inner bottom wall of the discharge pipe 27 and the bottom of the screen 29. The left end of the screen 29 is fixedly connected with a vibrator 213.
[0017] The bottom of the primary crushing mechanism 2 includes a second discharge pipe 28, a first discharge pipe 27, a vibrator 213, a spring 212, a fixing plate 210 and a guide rod 211. The bottoms of the primary crushing mechanism 2 and the secondary crushing mechanism 3 are arranged in opposite directions.
[0018] Sand and gravel are put into the crushing box 1 from the top, and are introduced into the space between the two crushing rollers 23 through the guide plate 21. The motor 25 is started to drive the gear 26 to rotate, which drives the gear 1 24 to rotate. The two gears 1 24 drive the two crushing rollers 23 to rotate in opposite directions, crushing the sand and gravel. The crushed sand and gravel fall on the screen 29. The vibrator 213 generates vibration to drive the screen 29 to vibrate. Under the action of the spring 212, the vibration amplitude of the screen 29 is amplified to screen the sand and gravel. The larger crushed stones are discharged from the discharge pipe 1 27, and the finer sand and gravel fall on the plug board 4, slide to the right along the plug board 4 and are discharged from the discharge pipe 2 28, which is convenient for users to classify and collect. When the plug board 4 is pulled out, the finer sand and gravel will fall into the secondary crushing mechanism 3, further refined and crushed, and discharged through different discharge pipes. The primary crushing mechanism 2 can be used alone, or the primary crushing mechanism 2 and the secondary crushing mechanism 3 can be used together. The utility model only protects the mechanical part, and the functions related to it realized by the software control part are not within the protection scope of the utility model.
Claims
1. A construction sand and gravel crushing device, comprising a crushing box (1), characterized in that: The crushing box (1) is a rectangular shell structure. The crushing box (1) is provided with a primary crushing mechanism (2) and a secondary crushing mechanism (3). The secondary crushing mechanism (3) is located below the primary crushing mechanism (2). The primary crushing mechanism (2) and the secondary crushing mechanism (3) have the same structure and the bottoms of the primary crushing mechanism (2) and the secondary crushing mechanism (3) face opposite directions. A plug plate (4) is inserted into the front side wall of the crushing box (1). The plug plate (4) is located below the primary crushing mechanism (2) and above the secondary crushing mechanism (3). The plug plate (4) extends backward and penetrates the rear side wall of the crushing box (1). The plug plate (4) is slidably matched with the crushing box (1). The front end of the plug plate (4) is vertically fixedly connected to an auxiliary plate (41). The inner wall of the crushing box (1) is fixedly connected to a bottom plate (5). The bottom plate (5) is located at the bottom of the secondary crushing mechanism (3). The bottom plate (5) is inclined.
2. A construction sand and gravel crushing device according to claim 1, characterized in that: The primary crushing mechanism (2) comprises two guide plates (21), a crushing roller (23), a screen (29), a motor (25), a gear 1 (24), a gear 2 (26), a vibrator (213), a fixed plate (210), a guide rod (211), a spring (212), a discharge pipe 2 (28), a discharge pipe 1 (27), a vibrator (213) and a rotating shaft (22). The two guide plates (21) are fixedly connected to the top of the inner wall of the crushing box (1). The two guide plates (21) are symmetrical and inclined downward toward each other. Two rotating shafts (22) are rotatably connected between the front and rear inner walls of the crushing box (1). The two rotating shafts (22) are located below the guide plates (21). The two rotating shafts (22) are symmetrical on the left and right, and the outer wall of the rotating shaft (22) is fixedly connected with a crushing roller (23), and the two crushing rollers (23) are clearance-matched. The rear ends of the two rotating shafts (22) penetrate the rear side wall of the crushing box (1), and the rear ends of the two rotating shafts (22) are respectively fixedly connected with a gear one (24), and the two gears one (24) are meshed with each other. The two gears one (24) are outside the rear side wall of the crushing box (1), and the two gears one (24) are clearance-matched with the rear side wall of the crushing box (1). The rear side wall of the crushing box (1) is fixedly connected with a motor (25), and the outer wall of the output shaft of the motor (25) is fixedly connected with a gear two (26), and the gear two (26) is connected with one of the gears one ( 24) are meshed, the right side wall of the crushing box (1) is fixedly connected with a discharge pipe 1 (27), the discharge pipe 1 (27) is a rectangular tube, the right end bottom of the discharge pipe 1 (27) is fixedly connected with a discharge pipe 2 (28), the inner side of the discharge pipe 1 (27) is provided with a screen (29), the left side wall of the crushing box (1) is provided with an opening (214), the screen (29) extends to the upper left and passes through the opening (214), the screen (29) and the opening (214) are clearance-matched, a fixed plate (210) is provided below the left end of the screen (29), the fixed plate (210) is vertically fixedly connected to the left side wall of the crushing box (1), the fixed plate (210) is at the lower part of the opening (214), and the screen (2 The four bottom corners of the sieve (29) are fixedly connected with guide rods (211), the two guide rods (211) on the left side vertically penetrate the fixed plate (210) and slide with the fixed plate (210), the two guide rods (211) on the right side vertically penetrate the inner bottom wall of the discharge pipe (27) and slide with the discharge pipe (27), the outer wall of the guide rod (211) is sleeved with a spring (212), the two ends of the left spring (212) are respectively in contact with the top of the fixed plate (210) and the bottom of the screen (29), the two ends of the right spring (212) are respectively in contact with the inner bottom wall of the discharge pipe (27) and the bottom of the screen (29), and the left end of the screen (29) is fixedly connected with a vibrator (213).
3. A construction sand and gravel crushing device according to claim 1, characterized in that: The bottom of the primary crushing mechanism (2) comprises a second discharge pipe (28), a first discharge pipe (27), a vibrator (213), a spring (212), a fixing plate (210) and a guide rod (211), and the bottoms of the primary crushing mechanism (2) and the secondary crushing mechanism (3) are arranged in opposite directions.