Stone crushing device for earth-rock engineering construction

Abstract

The utility model relates to the technical field of stone crushing, in particular to a stone crushing device for earth-rock engineering construction, which comprises a support frame, a mounting frame fixedly mounted on the top surface of the support frame through bolts, a crushing frame integrally mounted on the top surface of the mounting frame, a discharge port arranged on the bottom surface of the mounting frame, and a protective mechanism arranged inside the crushing frame. A crushing mechanism is arranged on the inner wall of the crushing frame, the protection mechanism comprises a protection part and a connecting part, and the crushing mechanism comprises a power part and a crushing part. Stone is added into the crushing frame, the gravity action of the stone pushes a protection plate to be opened, the protection plate drives a connecting rod to rotate in an arc-shaped groove, the connecting rod extrudes a spring, and when the stone falls to the bottom of the crushing frame and is hammered by a crushing hammer, the spring rebounds to push the connecting rod to return to the original position; and the connecting rod drives the protection plate to restore to the original position to block the inlet of the crushing frame, crushed gravels and dust are blocked by the protection plate and cannot splash out to injure workers, and then the health and safety of the workers are guaranteed.

Description

Technical Field

[0001] The utility model relates to the field of stone crushing, in particular to a stone crushing device for earthwork engineering construction. Background Art

[0002] Stone crushing devices for earthwork construction are widely used in earthwork construction. In earthwork construction, it is often necessary to crush various stones into different sizes. In earthwork construction, the stones are required to be crushed evenly and finely to facilitate various construction operations.

[0003] The Chinese patent publication number CN217725683U discloses a stone crushing device for earthwork engineering construction, including a box and a water pump. The inside of the box is provided with a crushing chamber, a drainage chamber and a water storage chamber from top to bottom in sequence. The inside of the crushing chamber is provided with a crushing mechanism, and a nozzle is fixedly installed inside the crushing chamber. The outside of the box is fixedly installed with a second motor. The output end of the second motor is fixedly connected to a rotating shaft through a coupling. The end of the rotating shaft away from the second motor is penetrated into the inside of the box and is rotatably connected to the inner wall of the drainage chamber. A section of spiral sheet is welded on the rotating shaft. A group of through holes are provided between the drainage chamber and the water storage chamber. A support plate is provided below the through hole. A group of plug rods are fixedly connected to the top of the support plate, and each plug rod is respectively penetrated into the corresponding through hole. By using the nozzle to spray water, dust can be reduced in the process of crushing stones, and the water can be recycled by using the through hole to save water resources.

[0004] However, there are still the following disadvantages: when the crushing roller of the device is crushing the stone, the crushed stone produced by the crushing will splash out from the crushing chamber, and the splashed crushed stone is likely to cause harm to the workers and affect the safety of the workers.

[0005] Therefore, a stone crushing device for earthwork engineering construction is proposed. Utility Model Content

[0006] The purpose of the utility model is to provide a stone crushing device for earthwork engineering construction to solve the problems raised in the above-mentioned background technology.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a stone crushing device for earthwork engineering construction, comprising a support frame, a mounting frame is fixedly installed on the top surface of the support frame by bolts, a crushing frame is integrally installed on the top surface of the mounting frame, a discharge port is arranged on the bottom surface of the mounting frame, a protective mechanism is arranged inside the crushing frame, and a crushing mechanism is arranged on the inner wall of the crushing frame;

[0008] The protection mechanism comprises a protection part and a connection part, and the protection mechanism is used to prevent stones from splashing and injuring workers;

[0009] The crushing mechanism comprises a power part and a crushing part, and the crushing mechanism is used for crushing stones.

[0010] Preferably, the protective part includes two protective plates rotatably installed on the upper and lower inner walls of the crushing frame through a flip axis, the front and rear sides of the two protective plates are respectively slidably connected to the front and rear sides of the crushing frame, the front and rear sides of the two protective plates are respectively fixedly installed with connecting rods, and the outer walls of the four connecting rods are respectively penetrated with through holes.

[0011] Preferably, the connecting part includes arc rods slidably installed on the inner walls of the four through holes respectively, the front and rear sides of the crushing frame are respectively provided with two arc grooves, the outer walls of the four arc rods are respectively slidably connected to the inner walls of the four arc grooves, and the two ends of the four arc rods are respectively fixedly connected to the inner walls of the two ends of the four arc grooves.

[0012] Preferably, the outer walls of the four arc-shaped rods are respectively slidably sleeved with springs, and the two ends of the four springs are respectively fixedly connected to the inner walls of one end of the four arc-shaped grooves and the outer walls of the four connecting rods.

[0013] Preferably, the power unit includes a support plate fixedly mounted on the left side of the mounting frame, a motor is fixedly mounted on the top surface of the support plate, a first pulley is fixedly sleeved on the front end outer wall of the motor output rod, a rotating shaft is rotatably mounted on the front side of the crushing frame through a first bearing seat, and the rear end of the rotating shaft is rotatably connected to the rear end inner wall of the crushing frame through a second bearing seat.

[0014] Preferably, a second pulley is fixedly sleeved on the outer wall of the front end of the rotating shaft, and the outer wall of the first pulley is transmission-connected to the outer wall of the second pulley via a belt.

[0015] Preferably, the crushing part includes a plurality of rotating plates fixedly sleeved on the outer wall of the rotating shaft, the plurality of rotating plates are located inside the crushing frame, the sides of the plurality of rotating plates are fixedly connected through four connecting shafts, a plurality of breaking hammers are rotatably installed on the outer walls of the four rotating plates, the plurality of breaking hammers are staggered with the plurality of rotating plates, and a plurality of filtering holes are opened through the bottom surface of the crushing frame.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] The utility model adds stones into the crushing frame, and the gravity of the stones pushes the protective plate to open. The protective plate drives the connecting rod to rotate inside the arc groove. The connecting rod squeezes the spring. When the stone falls to the bottom of the crushing frame and is hammered by the crushing hammer, the spring rebounds and pushes the connecting rod to return to its original position. The connecting rod drives the protective plate to return to its original position to block the entrance of the crushing frame. The crushed stones and dust are blocked by the protective plate and will not splash out to cause harm to the workers, thereby ensuring the health and safety of the workers.

[0018] By turning on the motor, the first pulley is driven to rotate, and the first pulley drives the second pulley and the rotating shaft to rotate through the belt. The rotating shaft drives multiple rotating plates and four connecting shafts to rotate. The four connecting shafts drive multiple breaking hammers to rotate. The multiple breaking hammers hammer and crush the stones. Under the joint action of multiple filtering holes, the stones are crushed and fall more evenly, thereby improving the crushing quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The utility model is further described below in conjunction with the accompanying drawings:

[0020] Figure 1 It is a schematic diagram of the structure of the utility model;

[0021] Figure 2 It is a schematic diagram of the structural section of the utility model;

[0022] Figure 3 This is a schematic diagram of the structure of the crushing mechanism of the utility model;

[0023] Figure 4 It is an exploded view of the protective mechanism of the utility model.

[0024] In the figure: 1. support frame; 101. installation frame; 102. crushing frame; 103. discharge port; 2. protection mechanism; 201. protection plate; 202. turning shaft; 203. connecting rod; 204. arc groove; 205. arc rod; 206. spring; 3. crushing mechanism; 301. support plate; 302. motor; 303. first pulley; 304. rotating shaft; 305. second pulley; 306. belt; 307. rotating plate; 308. connecting shaft; 309. breaker; 310. filter hole. DETAILED DESCRIPTION

[0025] In order to more clearly illustrate the overall concept of the present invention, a detailed description is given below in combination with the accompanying drawings by way of examples.

[0026] It should be noted that many specific details are set forth in the following description to facilitate a full understanding of the present invention. However, the present invention can also be implemented in other ways different from those described herein. Therefore, the protection scope of the present invention is not limited to the specific embodiments disclosed below.

[0027] In addition, in the description of the present invention, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0028] In the present utility model, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral one; it can be directly connected, or indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. However, if it is indicated as a direct connection, it means that the two connected bodies are not connected through an intermediate structure, but are connected to form a whole only through a connecting structure. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to the specific circumstances.

[0029] In the present utility model, unless otherwise clearly specified and limited, the first feature "above" or "below" the second feature may be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in an appropriate manner in any one or more embodiments or examples.

[0030] Embodiment 1

[0031] See also Figures 1 to 4 The utility model provides a technical solution: a stone crushing device for earthwork engineering construction, comprising a support frame 1, a mounting frame 101 is fixedly installed on the top surface of the support frame 1 by bolts, a crushing frame 102 is integrally installed on the top surface of the mounting frame 101, a discharge port 103 is arranged on the bottom surface of the mounting frame 101, a protective mechanism 2 is arranged inside the crushing frame 102, and a crushing mechanism 3 is arranged on the inner wall of the crushing frame 102;

[0032] The protection mechanism 2 includes a protection part and a connection part. The protection mechanism 2 is used to prevent stones from splashing and injuring workers. The protection part includes two protection plates 201 that are rotatably installed on the upper and lower inner walls of the crushing frame 102 through a flip shaft 202. The front and rear sides of the two protection plates 201 are respectively slidably connected to the front and rear sides of the crushing frame 102. Connecting rods 203 are fixedly installed on the front and rear sides of the two protection plates 201. The outer walls of the four connecting rods 203 are respectively penetrated with through holes. The connection part includes arc rods 205 that are respectively slidably installed on the inner walls of the four through holes. Two arc grooves 204 are respectively penetrated on the front and rear sides of the crushing frame 102. The outer walls of the four arc rods 205 are respectively slidably connected to the inner walls of the four arc grooves 204. The two ends of the four arc rods 205 are respectively fixedly connected to the inner walls of the two ends of the four arc grooves 204. The outer walls of the four arc rods 205 are respectively slidably sleeved with springs 206. The two ends of the four springs 206 are respectively fixedly connected to the inner walls of one end of the four arc grooves 204 and the outer walls of the four connecting rods 203.

[0033] By adding stones into the crushing frame 102, the gravity of the stones pushes the protective plate 201 to open, and the protective plate 201 drives the connecting rod 203 to rotate inside the arc groove 204. The connecting rod 203 squeezes the spring 206. When the stone falls to the bottom of the crushing frame 102 and is hit by the crushing hammer 309, the spring 206 rebounds and pushes the connecting rod 203 to return to its original position. The connecting rod 203 drives the protective plate 201 to return to its original position to block the entrance of the crushing frame 102. The crushed gravel and dust are blocked by the protective plate 201 and will not splash out to cause harm to the workers, thereby ensuring the health and safety of the workers.

[0034] Embodiment 2

[0035] On the basis of the first embodiment, the crushing mechanism 3 includes a power unit and a crushing unit. The crushing mechanism 3 is used to crush stones. The power unit includes a support plate 301 fixedly installed on the left side of the installation frame 101. A motor 302 is fixedly installed on the top surface of the support plate 301. The front end outer wall of the output rod of the motor 302 is fixedly sleeved with a first pulley 303. The front side of the crushing frame 102 is rotatably installed with a rotating shaft 304 through a first bearing seat. The rear end of the rotating shaft 304 is rotatably connected to the inner wall of the rear end of the crushing frame 102 through a second bearing seat. The front end outer wall of the rotating shaft 304 is fixedly sleeved with a second Pulley 305, the outer wall of the first pulley 303 is transmission connected to the outer wall of the second pulley 305 through the belt 306, the crushing part includes a plurality of rotating plates 307 fixedly sleeved on the outer wall of the rotating shaft 304, the plurality of rotating plates 307 are located inside the crushing frame 102, the sides of the plurality of rotating plates 307 are fixedly connected through four connecting shafts 308, the outer walls of the four rotating plates 307 are respectively rotatably installed with a plurality of crushing hammers 309, the plurality of crushing hammers 309 are respectively staggered with the plurality of rotating plates 307, and a plurality of filtering holes 310 are opened through the bottom surface of the crushing frame 102.

[0036] By turning on the motor 302, the first pulley 303 is driven to rotate, and the first pulley 303 drives the second pulley 305 and the rotating shaft 304 to rotate through the belt 306. The rotating shaft 304 drives multiple rotating plates 307 and four connecting shafts 308 to rotate. The four connecting shafts 308 drive multiple breaking hammers 309 to rotate. The multiple breaking hammers 309 hammer and break the stones. Under the joint action of the multiple filtering holes 310, the stones are broken and fall more evenly, thereby improving the quality of the crushing.

[0037] When the utility model is in use, the motor 302 is turned on, and stones are added to the crushing frame 102. The gravity of the stones pushes the protective plate 201 to open, and the protective plate 201 drives the connecting rod 203 to rotate inside the arc groove 204. The connecting rod 203 squeezes the spring 206. When the stone falls to the bottom of the crushing frame 102 and is hammered by the crushing hammer 309, the spring 206 rebounds and pushes the connecting rod 203 to return to its original position. The connecting rod 203 drives the protective plate 201 to return to its original position to block the entrance of the crushing frame 102. The crushed stones and dust are protected by the protective plate 201. The blocking will not splash out and cause harm to the workers, thereby ensuring the health and safety of the workers. At the same time, the motor 302 drives the first pulley 303 to rotate, and the first pulley 303 drives the second pulley 305 and the rotating shaft 304 to rotate through the belt 306. The rotating shaft 304 drives multiple rotating plates 307 and four connecting shafts 308 to rotate. The four connecting shafts 308 drive multiple breaking hammers 309 to rotate. The multiple breaking hammers 309 hammer and crush the stones. Under the joint action of the multiple filtering holes 310, the stones are broken and fall more evenly, thereby improving the quality of the crushing.

[0038] Those skilled in the art should understand that the discussion of any of the above embodiments is merely illustrative and is not intended to imply that the scope of the present invention (including the claims) is limited to these examples. Under the concept of the present invention, the technical features in the above embodiments or different embodiments may be combined, the steps may be implemented in any order, and there are many other variations of the different aspects of the present invention as described above, which are not provided in detail for the sake of simplicity.

[0039] The utility model is intended to cover all such substitutions, modifications and variations that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the utility model should be included in the scope of protection of the utility model.

Claims

1. A stone crushing device for earthwork construction, comprising a support frame (1), characterized in that: The top surface of the support frame (1) is fixedly mounted with a mounting frame (101) by means of bolts, the top surface of the mounting frame (101) is integrally mounted with a crushing frame (102), the bottom surface of the mounting frame (101) is provided with a discharge port (103), a protection mechanism (2) is provided inside the crushing frame (102), and a crushing mechanism (3) is provided on the inner wall of the crushing frame (102); The protection mechanism (2) comprises a protection part and a connection part, and the protection mechanism (2) is used to prevent stones from flying and injuring workers; The crushing mechanism (3) comprises a power part and a crushing part, and the crushing mechanism (3) is used to crush stones.

2. The stone crushing device for earthwork construction according to claim 1 is characterized in that: The protection part comprises two protection plates (201) which are rotatably mounted on the upper and lower inner walls of the crushing frame (102) via a flip shaft (202); the front and rear sides of the two protection plates (201) are respectively slidably connected to the front and rear sides of the crushing frame (102); the front and rear sides of the two protection plates (201) are respectively fixedly mounted with connecting rods (203); and the outer walls of the four connecting rods (203) are respectively penetrated with through holes.

3. The stone crushing device for earthwork construction according to claim 2 is characterized in that: The connecting part comprises arc-shaped rods (205) respectively slidably mounted on the inner walls of the four through holes; the front and rear sides of the crushing frame (102) are respectively provided with two arc-shaped grooves (204); the outer walls of the four arc-shaped rods (205) are respectively slidably connected to the inner walls of the four arc-shaped grooves (204); and the two ends of the four arc-shaped rods (205) are respectively fixedly connected to the inner walls of the two ends of the four arc-shaped grooves (204).

4. The stone crushing device for earthwork construction according to claim 3 is characterized in that: The outer walls of the four arc-shaped rods (205) are respectively slidably sleeved with springs (206), and the two ends of the four springs (206) are respectively fixedly connected to the inner walls of one end of the four arc-shaped grooves (204) and the outer walls of the four connecting rods (203).

5. The stone crushing device for earthwork construction according to claim 4 is characterized in that: The power unit comprises a support plate (301) fixedly mounted on the left side of the mounting frame (101); a motor (302) is fixedly mounted on the top surface of the support plate (301); a first pulley (303) is fixedly sleeved on the front end outer wall of the output rod of the motor (302); a rotating shaft (304) is rotatably mounted on the front side surface of the crushing frame (102) via a first bearing seat; and a rear end of the rotating shaft (304) is rotatably connected to the rear end inner wall of the crushing frame (102) via a second bearing seat.

6. The stone crushing device for earthwork construction according to claim 5 is characterized in that: A second belt pulley (305) is fixedly sleeved on the front end outer wall of the rotating shaft (304), and the outer wall of the first belt pulley (303) is transmission-connected to the outer wall of the second belt pulley (305) via a belt (306).

7. The stone crushing device for earthwork construction according to claim 6 is characterized by: The crushing part comprises a plurality of rotating plates (307) fixedly sleeved on the outer wall of the rotating shaft (304), the plurality of rotating plates (307) being located inside the crushing frame (102), the sides of the plurality of rotating plates (307) being fixedly connected through four connecting shafts (308), a plurality of crushing hammers (309) being rotatably mounted on the outer walls of the four rotating plates (307), the plurality of crushing hammers (309) being staggeredly arranged with the plurality of rotating plates (307), and a plurality of filtering holes (310) being penetrated through the bottom surface of the crushing frame (102).

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