Multi-stage locking structure for anti-loosening crushing wall of crusher

Abstract

The invention relates to the technical field of crusher locking, and discloses a crusher anti-loosening crushing wall multistage locking structure which comprises a crusher bottom cover and a crusher upper cover, first springs are fixedly arranged on one sides of the inner walls of three mounting grooves, and limiting buckles are rotationally connected to the middle positions of the inner walls of the three mounting grooves. And three connecting holes are formed in the outer wall of the crusher upper cover at equal intervals, connecting shafts are connected to the inner walls of the three connecting holes in a penetrating mode, and clamping shafts are fixedly arranged at one ends of the three connecting shafts. The limiting buckle is clamped to the top of the second limiting block, when the limiting buckle penetrates through the top of the second limiting block, the inclined face of the top of the limiting buckle can extrude the clamping shaft located on the upper portion, then the second spring and the clamping shaft are compressed to be clamped into the clamping hole in one side of the second spring, locking is conducted again, automatic butt joint locking is achieved, and the safety and convenience of equipment use are improved.

Description

Technical Field

[0001] This invention belongs to the technical field of crusher locking, and specifically relates to a multi-stage locking structure for preventing loosening of the crusher wall. Background Technology

[0002] A crusher, also known as a stone crusher, is an indispensable key piece of equipment in the processing of metal and non-metal minerals. It uses various methods such as compression and bending to break mined raw ore into small, compliant particles, facilitating subsequent processing. In the overall structure of the crusher, the crushing wall is the main crushing area and plays a crucial role. When crushing materials, the material is typically placed inside the crushing wall first, then the wall is locked before the equipment can be started to begin crushing operations.

[0003] Given that the crushing wall must withstand high crushing forces during operation, the stability control of the crushing wall locking structure must be extremely strict. If the locking structure is unstable, the crushing wall is highly likely to break under the impact of high-intensity crushing operations, leading to material splashing and causing serious safety hazards. Therefore, modern crushers incorporate multiple design features for their upper locking structure during manufacturing to comprehensively ensure the stability of the crusher during operation.

[0004] However, existing anti-loosening crusher wall locking structures still have the following drawbacks during use:

[0005] 1. Existing crushing wall locking structures with anti-loosening functions often require workers to perform a series of cumbersome connection operations during crushing wall installation in order to achieve multiple locking functions. This not only consumes a lot of time and energy, but also reflects the low automation performance of the structure. While using automated locking components can improve installation efficiency to some extent, it often leads to a single locking function. Under long-term high-intensity crushing working environment, this single locking structure is prone to loosening or even falling off, which greatly reduces the safety of the equipment and also brings a lot of inconvenience to the operators.

[0006] 2. Existing crusher wall locking structures generally lack reinforcement and anti-loosening functions after locking. This means that if a single locking structure fails to lock properly or loosens during later use, the entire crusher will be unable to continue operating normally and must be shut down for maintenance and adjustment. This will not only interrupt the production process but also seriously affect production efficiency, causing unnecessary economic losses to the enterprise.

[0007] Therefore, it is necessary to invent a multi-stage locking structure for preventing loosening of the crusher wall to solve the above problems. Summary of the Invention

[0008] To address the aforementioned problems, this invention provides a multi-stage locking structure for preventing loosening of the crushing wall in a crusher, thereby resolving the issues raised in the background section.

[0009] To achieve the above objectives, the present invention provides the following technical solution: a multi-stage locking structure for preventing loosening of the crusher wall, comprising a crusher bottom cover and a crusher top cover, wherein an automatic double locking mechanism and an anti-detachment component are respectively installed between the crusher bottom cover and the crusher top cover, wherein the crusher top cover is installed on the top of the crusher bottom cover;

[0010] The automatic double locking mechanism includes three first limiting blocks equidistantly installed on the outer wall of the crusher bottom cover, and three second limiting blocks equidistantly fixedly installed on the outer wall of the crusher top cover. A connecting groove is provided at the middle position of one end of each of the three second limiting blocks, and an installation groove is provided at the top of each of the three first limiting blocks. A first spring is fixedly provided on one side of the inner wall of each of the three installation grooves. A limiting buckle is rotatably connected at the middle position of the inner wall of each of the three installation grooves. A through groove is provided on one side of each of the three second limiting blocks, and the inner wall of each through groove communicates with the inner wall of each of the three connecting grooves. The outer wall of one end of each of the three limiting buckles is inserted and connected to the inner wall of each of the three connecting grooves. Three connecting holes are equidistantly opened on the outer wall of the crusher top cover, and a connecting shaft is inserted and connected to the inner wall of each of the three connecting holes. A retaining shaft is fixedly provided at one end of each of the three connecting shafts. A second spring is sleeved on the outer wall of one end of each of the three connecting shafts. A retaining hole is provided at the upper edge of one side of each of the three limiting buckles.

[0011] Preferably, the two ends of the three second springs are fixedly connected to the outer wall of the crusher cover and one side of the three clamping shafts, respectively. An electric push rod is installed on one side of the outer wall of each of the three first limiting blocks, and the output ends of the three electric push rods pass through the inner wall of the three mounting slots and contact one side of the three limiting buckles.

[0012] Preferably, the anti-detachment component includes three limiting frames that are equidistantly installed on the outer wall of the crusher bottom cover. Each of the three limiting frames has a first slot on one side of its top, and a second slot is formed on the inner wall of one end of each of the three limiting frames. The inner walls of one end of each of the three second slots are respectively connected to the inner walls of one end of each of the three first slots.

[0013] Preferably, the outer wall of the crusher cover is provided with three rails at equal intervals, and each of the three rails has a limiting groove on one side. The inner walls of the three limiting grooves are slidably connected with limiting rings.

[0014] Preferably, the bottom of the limiting ring is fixedly provided with three connecting strips at equal intervals, and the bottom of each of the three connecting strips is fixedly provided with a locking strip, and the outer wall of the three locking strips passes through the inner wall of the three first locking slots and is inserted into the inner wall of the three second locking slots.

[0015] Preferably, three positioning grooves are equally spaced at the upper edge of the inner wall of the crusher bottom cover, and three positioning strips are equally spaced at the bottom of the crusher top cover, with the outer walls of the three positioning strips respectively intersecting and connecting with the inner walls of the three positioning grooves.

[0016] Preferably, a mounting shim is fixedly installed at the lower edge of the outer wall of the crusher bottom cover, and the top of the mounting shim has multiple mounting holes at equal intervals.

[0017] Preferably, a control switch is installed on one side of the crusher bottom cover, and all three electric push rods are electrically connected to an external power source through the control switch.

[0018] The technical effects and advantages of this invention are as follows:

[0019] 1. This invention, by setting an automatic double locking mechanism, after the crusher cover is placed on the crusher bottom cover, during the docking process, the limiting buckle on the first limiting block presses against the side wall of the connecting groove on the second limiting block, causing it to rotate in the mounting groove. During the rotation, the first spring is compressed and deformed. After the first limiting block and the second limiting block are docked, under the elastic action of the first spring, the limiting buckle is locked at the top of the second limiting block. During this process, when the limiting buckle passes through the top of the second limiting block, its inclined surface at the top will press against the locking shaft located above, thereby compressing the second spring and inserting the connecting shaft through the connecting hole until the limiting buckle is locked above the second limiting block. Then, the locking shaft is locked into the locking hole on one side, thereby locking again, realizing automatic docking double locking, improving the safety and convenience of equipment use.

[0020] 2. This invention, by setting an anti-detachment component, ensures that when the crusher bottom cover and crusher top cover are connected and automatically locked, the locking strip connected by the limiting ring and connecting strip will be locked into the first slot at the top end of the limiting frame during connection. Manually rotating the limiting ring will cause it to rotate between the three locking rails, thereby sliding the locking strip in the first slot and locking it into the second slot, thus fixing it to the limiting frame and further locking the crushing wall. Even if the above-mentioned automatic double locking mechanism falls off or is damaged, it will not affect the normal operation of the crusher, thereby reducing production efficiency.

[0021] Other features and advantages of the invention will be set forth in the description which follows, and will be apparent in part from the description, or may be learned by practicing the invention. The objects and other advantages of the invention may be realized and obtained by means of the structures pointed out in the description, claims and drawings. Attached Figure Description

[0022] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0023] Figure 1 This is a schematic diagram of the entire invention;

[0024] Figure 2 This is a schematic diagram of the front of the crusher bottom cover and the crusher top cover of the present invention;

[0025] Figure 3 This is an appendix to the specification of this invention. Figure 2 An enlarged schematic diagram of point A in the middle;

[0026] Figure 4 This is a schematic diagram of the automatic double locking mechanism of the present invention;

[0027] Figure 5 This is an appendix to the specification of this invention. Figure 4 An enlarged diagram of point B in the middle;

[0028] Figure 6 This is a schematic diagram of the anti-detachment component of the present invention;

[0029] Figure 7 This is a schematic diagram of the entire rail of the present invention;

[0030] Figure 8 This is a schematic diagram of the positioning strip and positioning groove of the present invention.

[0031] In the diagram: 1. Crusher bottom cover; 2. Crusher top cover; 3. Automatic double locking mechanism; 301. First limit block; 302. Second limit block; 303. Connecting groove; 304. Mounting groove; 305. First spring; 306. Limiting buckle; 307. Through groove; 308. Connecting hole; 309. Connecting shaft; 310. Locking shaft; 311. Second spring; 312. Locking hole; 313. Electric push rod; 4. Anti-detachment component; 401. Limiting frame; 402. First locking groove; 403. Second locking groove; 404. Locking rail; 405. Limiting slide groove; 406. Limiting ring; 407. Connecting strip; 408. Locking strip; 5. Positioning groove; 6. Positioning strip; 7. Mounting gasket; 8. Mounting hole. Detailed Implementation

[0032] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0033] This invention provides, for example Figure 1-8 The multi-stage locking structure for preventing loosening of the crusher wall is shown, including a crusher bottom cover 1 and a crusher top cover 2. The structure is characterized in that an automatic double locking mechanism 3 and an anti-detachment component 4 are respectively installed between the crusher bottom cover 1 and the crusher top cover 2. The crusher top cover 2 is installed on the top of the crusher bottom cover 1, and the crusher bottom cover 1 is generally fixedly installed on the crusher body. The crusher top cover 2 can be removed for maintenance or material filling.

[0034] The automatic double locking mechanism 3 includes three first limiting blocks 301 equidistantly installed on the outer wall of the crusher bottom cover 1, and three second limiting blocks 302 equidistantly fixed on the outer wall of the crusher top cover 2. A connecting groove 303 is provided at the middle position of one end of each of the three second limiting blocks 302. An installation groove 304 is provided on the top of each of the three first limiting blocks 301. A first spring 305 is fixedly installed on one side of the inner wall of each of the three installation grooves 304. A limiting buckle 306 is rotatably connected at the middle position of the inner wall of each of the three installation grooves 304. A passage is provided on one side of each of the three second limiting blocks 302. The inner walls of the three through grooves 307 are respectively connected to the inner walls of the three connecting grooves 303, and the outer walls of one end of the three limiting buckles 306 are respectively inserted and connected to the inner walls of the three connecting grooves 303. The outer wall of the crusher cover 2 is provided with three connecting holes 308 at equal intervals. The inner walls of the three connecting holes 308 are all inserted and connected with connecting shafts 309. One end of each of the three connecting shafts 309 is fixed with a retaining shaft 310. The outer wall of one end of each of the three connecting shafts 309 is fitted with a second spring 311. The upper edge of one side of each of the three limiting buckles 306 is provided with a retaining hole 312.

[0035] In use, after placing the crusher top cover 2 on the crusher bottom cover 1, the three second limiting blocks 302 at its upper end align with the three first limiting blocks 301 on the crusher bottom cover 1. During the alignment process, the connecting grooves 303 on the three second limiting blocks 302 (as shown in the instruction manual) will connect. Figure 5As shown, one side of its inner side is inclined, and one side of the top of the three limiting buckles 306 is also inclined at the same angle. Therefore, during docking, the limiting buckles 306 on the first limiting block 301 press against the side wall of the connecting groove 303 on the second limiting block 302, causing it to rotate in the mounting groove 304, allowing it to dock smoothly without obstruction. During the rotation, the first spring 305 is compressed and deformed. After the first limiting block 301 and the second limiting block 302 are docked, under the elastic action of the first spring 305, the limiting buckles 306, as shown in the attached instruction manual, remain in place. Figure 3 The device is locked at the top of the second limiting block 302, thereby fixing the crushing wall. During this process, when the limiting buckle 306 passes through the top of the second limiting block 302, its inclined surface at the top will press the locking shaft 310 located above, thereby compressing the second spring 311. The connecting shaft 309 is inserted into the connecting hole 308 until the limiting buckle 306 is locked above the second limiting block 302. Then, the locking shaft 310 is locked into the locking hole 312 on one side, thereby locking again and achieving double locking. During this process, all locking operations do not require manual operation by the staff, realizing automated docking and locking, and achieving double locking, improving the safety and convenience of equipment use. The contact end between the locking shaft 310 and the limiting buckle 306 is hemispherical, which allows it to compress the second spring 311 more smoothly during compression.

[0036] Furthermore, the two ends of the three second springs 311 are fixedly connected to the outer wall of the crusher cover 2 and one side of the three clamping shafts 310, respectively. One side of the outer wall of the three first limiting blocks 301 is equipped with an electric push rod 313, and the output end of the three electric push rods 313 passes through the inner wall of the three mounting slots 304 and contacts one side of the three limiting buckles 306. The inner diameter of the buckling hole 312 on one side of the three limiting buckles 306 is slightly larger than the outer diameter of the clamping shaft 310, so that there is no movement interference during the clamping process. When the crusher cover 2 is disassembled later, the electric push rods 313 on one side of each first limiting block 301 are activated to push the limiting buckle 306 to rotate, thereby disengaging from the second limiting block 302. At the same time, the clamping shaft 310 is disengaged from the buckling hole 312, thus unlocking the lock. The through groove 307 on the second limiting block 302 is mainly to facilitate increasing the rotation angle of the limiting buckle 306, so that it can smoothly disengage from the connecting groove 303.

[0037] Furthermore, the anti-detachment component 4 includes three limiting frames 401 that are equidistantly installed on the outer wall of the crusher bottom cover 1. Each of the three limiting frames 401 has a first slot 402 on one side of its top, and a second slot 403 on the inner wall of one end of each of the three limiting frames 401. The inner walls of one end of each of the three second slots 403 are connected to the inner walls of one end of each of the three first slots 402. The first slots 402 are open at the top of the limiting frames 401, allowing the locking strip 408 to be inserted into them. The second slots 403 are closed to the top of the limiting frames 401, and the locking strip 408 can slide in the first slot 402 and be inserted into the second slot 403.

[0038] Three rails 404 are fixedly installed at equal intervals on the outer wall of the crusher cover 2. Each of the three rails 404 has a limiting groove 405 on one side. A limiting ring 406 is slidably connected between the inner walls of the three limiting grooves 405. Each of the three limiting grooves 405 has a limiting effect on the limiting ring 406, so that it will not fall out of it. At the same time, it can rotate stably between the three rails 404.

[0039] Three connecting strips 407 are fixedly provided at equal intervals at the bottom of the limiting ring 406. Each of the three connecting strips 407 has a locking strip 408 fixedly provided at its bottom. The outer walls of the three locking strips 408 pass through the inner walls of the three first locking slots 402 and are connected to the inner walls of the three second locking slots 403. When the crusher bottom cover 1 is connected to the crusher top cover 2 and automatically locked, the locking strip 408 connected by the limiting ring 406 and the connecting strips 407 is just locked into the first locking slot 402 at the top end of the limiting frame 401 when connected. The limiting ring 406 is manually rotated to rotate between the three locking rails 404, thereby sliding the locking strip 408 in the first locking slot 402 and locking it into the second locking slot 403, so that it is fixed with the limiting frame 401, thereby further locking the crushing wall. Even if the above-mentioned automatic double locking mechanism 3 falls off or is damaged, it will not affect the normal operation of the crusher, thereby reducing production efficiency.

[0040] Furthermore, three positioning grooves 5 are equally spaced on the upper edge of the inner wall of the crusher bottom cover 1, and three positioning strips 6 are equally spaced on the bottom of the crusher top cover 2. The outer walls of the three positioning strips 6 are respectively inserted and connected to the inner walls of the three positioning grooves 5. When installing the crusher top cover 2, the positioning strips 6 at its bottom are directly inserted and positioned with the positioning grooves 5 on the inner wall of the crusher bottom cover 1 to achieve accurate triggering of the automatic double locking mechanism 3. The staff does not need to spend too much effort on positioning and docking installation, which improves the convenience of equipment use.

[0041] Furthermore, a mounting shim 7 is fixedly installed at the lower edge of the outer wall of the crusher bottom cover 1. Multiple mounting holes 8 are equally spaced on the top of the mounting shim 7. When installing the crusher bottom cover 1, it can be directly connected to the crusher through the mounting holes 8 on the bottom mounting shim 7.

[0042] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features; and these modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A multi-stage locking structure for preventing loosening of the crusher wall, comprising a crusher bottom cover (1) and a crusher top cover (2), characterized in that: An automatic double locking mechanism (3) and an anti-detachment component (4) are respectively installed between the crusher bottom cover (1) and the crusher top cover (2), wherein the crusher top cover (2) is installed on the top of the crusher bottom cover (1); The automatic double locking mechanism (3) includes three first limiting blocks (301) equidistantly installed on the outer wall of the crusher bottom cover (1), and three second limiting blocks (302) equidistantly fixed on the outer wall of the crusher top cover (2). A connecting groove (303) is provided at the middle position of one end of each of the three second limiting blocks (302). An installation groove (304) is provided at the top of each of the three first limiting blocks (301). A first spring (305) is fixedly provided on one side of the inner wall of each of the three installation grooves (304). A limiting buckle (306) is rotatably connected at the middle position of the inner wall of each of the three installation grooves (304). A connecting groove (305) is provided on one side of each of the three second limiting blocks (302). The three through slots (307) are connected to the inner walls of the three connecting slots (303) respectively. The outer walls of one end of the three limiting buckles (306) are respectively inserted and connected to the inner walls of the three connecting slots (303). The outer wall of the crusher cover (2) is provided with three connecting holes (308) at equal intervals. The inner walls of the three connecting holes (308) are all connected with connecting shafts (309). One end of the three connecting shafts (309) is fixedly provided with a retaining shaft (310). The outer wall of one end of the three connecting shafts (309) is sleeved with a second spring (311). The upper edge of one side of the three limiting buckles (306) is provided with a retaining hole (312).

2. The multi-stage locking structure for preventing loosening of the crusher wall as described in claim 1, characterized in that: The two ends of the three second springs (311) are fixedly connected to the outer wall of the crusher cover (2) and one side of the three clamping shafts (310), respectively. One side of the outer wall of the three first limiting blocks (301) is equipped with an electric push rod (313), and the output end of the three electric push rods (313) passes through the inner wall of the three mounting slots (304) and contacts one side of the three limiting buckles (306).

3. The multi-stage locking structure for preventing loosening of the crusher wall as described in claim 1, characterized in that: The anti-detachment component (4) includes three limiting frames (401) installed at equal intervals on the outer wall of the crusher bottom cover (1). Each of the three limiting frames (401) has a first slot (402) on one side of its top. The inner wall of one end of each of the three limiting frames (401) has a second slot (403), and the inner wall of one end of each of the three second slots (403) is connected to the inner wall of one end of each of the three first slots (402).

4. The multi-stage locking structure for preventing loosening of the crusher wall as described in claim 1, characterized in that: The outer wall of the crusher cover (2) is provided with three rails (404) at equal intervals. Each of the three rails (404) has a limiting groove (405) on one side. The inner walls of the three limiting grooves (405) are slidably connected with limiting rings (406).

5. The multi-stage locking structure for preventing loosening of the crusher wall as described in claim 4, characterized in that: The bottom of the limiting ring (406) is fixedly provided with three connecting strips (407) at equal intervals. The bottom of each of the three connecting strips (407) is fixedly provided with a locking strip (408), and the outer wall of each of the three locking strips (408) passes through the inner wall of the three first locking slots (402) and is inserted into the inner wall of the three second locking slots (403).

6. The multi-stage locking structure for preventing loosening of the crusher wall according to claim 1, characterized in that: The crusher bottom cover (1) has three positioning grooves (5) at equal intervals at the upper edge of the inner wall. The crusher top cover (2) has three positioning strips (6) at equal intervals at the bottom. The outer walls of the three positioning strips (6) are respectively connected to the inner walls of the three positioning grooves (5).

7. The multi-stage locking structure for preventing loosening of the crusher wall as described in claim 1, characterized in that: A mounting shim (7) is fixedly installed at the lower edge of the outer wall of the crusher bottom cover (1), and multiple mounting holes (8) are equally spaced on the top of the mounting shim (7).

8. The multi-stage locking structure for preventing loosening of the crusher wall according to claim 2, characterized in that: A control switch is installed on one side of the crusher bottom cover (1), and the three electric push rods (313) are all electrically connected to an external power supply through the control switch.

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