Hammerhead locking device, crusher hammerhead and crusher
By designing a hammer head anti-loosening device including rotary parts, mounting grooves, hammer heads, connecting rods, nuts, slots and blocks, the problem of loosening of the traditional hammer head connection method is solved, stable connection and flexible adjustment of the hammer head are achieved, and the working efficiency and safety of the crusher are improved.
Patent Information
- Application Number
- CN202421770979.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-25
- Publication Date
- 2025-06-24
- Estimated Expiration
- 2034-07-25
AI Technical Summary
The connection method of the hammer head of the traditional crusher is prone to loosening of the nut, which causes the hammer head to work unstable or even fall off, and the fixing method is difficult to adjust or inconvenient to operate.
A hammer head anti-loosening device is designed. Through the coordination of rotating parts, installation grooves, hammer heads, connecting rods, nuts, clamp slots and clamps, multiple fixing and stable clamping of nuts are achieved, which enhances the connection stability between the hammer heads and the rotating parts, and through the synergistic effect of the tooth rods, springs and clamps, flexible control of the fixing state of the nuts is achieved.
It effectively prevents the nut from loosening, improves the working stability and crushing efficiency of the hammer head, and simplifies the adjustment, repair and replacement of the hammer head.
Smart Images
Figure CN223010699U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of crusher equipment, in particular to a hammer head anti-loosening device, a crusher hammer head and a crusher. Background Art
[0002] In modern industrial production, as an important material crushing equipment, crushers are widely used in many fields such as mines, construction, metallurgy, etc.; the working principle of crushers is usually to impact and crush materials through high-speed rotating hammer heads, so as to crush large materials into required particle sizes. The crusher hammer head is a key component in the crusher, and its performance and reliability directly affect the working efficiency and crushing effect of the crusher; with the continuous expansion of industrial production scale and the increasing requirements for crushing quality, the working intensity and working frequency of crushers are also increasing.
[0003] During the long-term operation of the crusher, the stable connection of the hammer head has become an important consideration factor; the traditional hammer head connection method is prone to nut loosening, resulting in unstable operation or even falling off of the hammer head, seriously affecting the normal operation and crushing efficiency of the crusher; for example, in high-intensity crushing operations, severe vibration and frequent impact will gradually loosen the nuts connecting the hammer heads. If not discovered and processed in time, it may cause the hammer heads to fall off, not only damaging the equipment, but also possibly causing safety accidents. Summary of the Utility Model
[0004] The technical problem to be solved by the utility model is to provide a hammer head anti-loosening device, a crusher hammer head and a crusher to solve the technical problems that the traditional hammer head connection method is prone to nut loosening and the fixing method is difficult to adjust or inconvenient to operate.
[0005] Technical solution: To achieve the above objectives, the present utility model is realized through the following technical solutions: A hammer head anti-loosening device, comprising: a rotating member, the rotating member includes a plurality of rotating plates, and the horizontal center lines of the plurality of rotating plates coincide, there is a gap between two adjacent rotating plates, and the diameters of the plurality of rotating plates are the same; mounting grooves, there are a plurality of them, and the plurality of mounting grooves are evenly opened on the rotating plates at both ends of the rotating member, and the mounting grooves on the two rotating plates correspond to each other; hammer heads, there are a plurality of them, and the plurality of hammer heads are evenly distributed in the gap between the rotating plates, and the hammer heads are used for crushing materials; connecting rods; there are a plurality of them, and the plurality of connecting rods are evenly distributed on the rotating member, the connecting rods penetrate the rotating member, the connecting rods are detachably connected to the rotating member, the connecting rods penetrate the hammer heads, and the two ends of the connecting rods are respectively a limiting end and a threaded end, and the connecting rods are used to connect the hammer heads and the rotating member; nuts, there are a plurality of them, and the plurality of nuts are respectively in the mounting grooves on the threaded section side, and the nuts are threadedly connected to the threaded section of the connecting rod; clamping grooves, there are a plurality of them, and the plurality of clamping grooves are respectively opened on the nuts, and the clamping grooves are distributed around the nuts; clamping blocks, there are a plurality of them, the clamping blocks are arranged in the rotating plates at the threaded end, and the clamping blocks are slidably connected to the rotating plates, the clamping blocks are adapted to the clamping grooves, and the clamping blocks are used to clamp and fix the nuts. Among them, the number of rotating plates should be determined according to the specifications and crushing capacity of the crusher, generally not less than three, to ensure sufficient connection points and stability; the shape and size of the mounting grooves are precisely designed to closely cooperate with the ends of the connecting rods, reducing the possibility of loosening and shaking; the inner wall of the mounting groove is surface-treated to increase wear resistance; the depth and width of the mounting groove should be matched according to the size of the connecting rod to ensure that the connecting rod can be stably installed therein, and the distribution of the mounting grooves should be evenly symmetrical to ensure the balance of the rotating member; the connecting rod is usually made of high-quality steel and is subjected to heat treatment and surface strengthening treatment to improve its strength and wear resistance; the limiting end usually adopts a convex or enlarged structure to prevent the connecting rod from falling off the rotating member. The diameter and length of the connecting rod should be reasonably selected according to the crushing force and space requirements, and its thread specifications should comply with relevant standards to ensure a reliable connection with the nut; the nut adopts a high-strength standard nut, and its material and thread accuracy should comply with strict industrial standards to ensure the reliability of the connection; the size and thread specifications of the nut should match the threaded end of the connecting rod, and the number of nuts should correspond to the connecting rod to ensure that each connecting rod can be effectively tightened; the clamping block is usually made of wear-resistant metal material, and its surface is smooth-treated to reduce the frictional resistance with the rotating plate; the shape and size of the clamping block should perfectly match the clamping groove to ensure the clamping effect; the sliding track of the block should be kept well lubricated and clean to ensure that the clamping block can slide smoothly; the number of clamping blocks should correspond to the clamping groove and be evenly distributed.
[0006] In a further embodiment, there are multiple rack bars, and the multiple rack bars are respectively firmly connected to multiple clamping blocks. The rack bars are located at the end of the clamping blocks away from the nut, and the rack bars are used to drive the clamping blocks to move; there are multiple gears, and the multiple gears are stably installed in the rotating plate at the threaded end. The multiple gears are respectively meshed with the multiple rack bars, and the gears are used to drive the rack bars to move; there are multiple control knobs, and the multiple control knobs are respectively firmly connected to the multiple gears. The control knobs are used to control the rotation of the gears; there are multiple springs, and the multiple springs are arranged in the rotating plate at the threaded end. The multiple springs are respectively located at the end of the rack bars away from the clamping blocks, and the springs are used for the reset of the rack bars. Among them, the rack bars and the clamping blocks usually adopt firm connection methods such as welding or threaded connection to ensure that they will not separate during the working process; the length and shape of the rack bars should be reasonably designed according to the space inside the rotating plate and the movement requirements of the clamping blocks; the material of the rack bars should have sufficient strength and stiffness, and its tooth shape and number of teeth should match the gears to achieve precise transmission; the gears are usually made of high-quality alloy steel and are subjected to heat treatment and precision machining to ensure their accuracy and durability; the installation position of the gears should be accurately calculated to ensure good meshing with the rack bars; the shafts of the gears should be made of high-strength materials and are installed in the rotating plate through suitable bearings to ensure that they can rotate stably; the control knobs usually have a shape and structure convenient for operation, and anti-slip textures or marks may be set on the surface to facilitate the operator to accurately control; the connection between the control knobs and the gears should be reliable and can accurately transmit torque; the springs are usually selected as compression springs, and their materials and elastic coefficients should be selected according to the reset force requirements of the rack bars; the installation position of the springs should ensure that the elastic force can be stably applied, and the elastic force of the springs should be able to meet the requirement of resetting the clamping blocks when the control knobs are not operated.
[0007] In a further embodiment, there are multiple cavities, and the multiple cavities are opened in the rotating plate at the threaded end. The cavities are used to provide installation positions for the springs; there are multiple storage grooves, and the multiple storage grooves are opened in the rotating plate at the threaded end. The storage grooves are used to store the clamping blocks. Among them, the shape and size of the cavities should match the outer shape and size of the springs to ensure that the springs can be completely installed in them and have sufficient moving space; the inner walls of the cavities should be smooth to reduce the frictional resistance to the springs; the size of the storage grooves should be sufficient to accommodate the volume of the clamping blocks in the fully retracted state, and its shape should match the shape of the clamping blocks to ensure that the clamping blocks can be smoothly stored in them.
[0008] In a further embodiment, the total length of the connecting rod does not exceed the total length of the rotating member. The limiting end of the connecting rod is located in the installation groove on one end rotating plate of the rotating member, and the threaded end is located in the corresponding installation groove on the other end rotating plate of the rotating member. The total length of the connecting rod should be accurately calculated according to the thickness of the rotating member and the installation requirements of the hammer head, ensuring that while meeting the connection strength, the space occupation is minimized to the greatest extent.
[0009] The present utility model also discloses a crusher hammer head, which includes a crushing end and an installation end. The crushing end of the hammer head is used for crushing materials, and the installation end of the hammer head is used for connecting the connecting rod so that the connecting rod installs the hammer head on the rotating member. Usually, the surface of the crushing end has special shapes and textures to improve the crushing effect and wear resistance; the structure of the installation end should match the connection method of the connecting rod to ensure the firmness and stability of the connection; the shape of the crushing end can be conical, wedge-shaped or other shapes suitable for crushing, and its surface may be hardened or inlaid with wear-resistant materials.
[0010] The present utility model also discloses a crusher, including: a crusher housing disposed around the rotating member, and the rotating member is rotatably connected to the crusher housing. The crusher housing is used to prevent material splashing. The shape and size of the crusher housing should be designed according to the working range of the rotating member and the hammer head to ensure that materials will not splash out of the housing during the crushing process; an observation window and a maintenance door may be provided on the housing for observing the operation of the equipment and performing maintenance.
[0011] In a further embodiment, a sieve is disposed inside the crusher housing and is located directly below the rotating member. The sieve is used for screening and dropping materials. Usually, the sieve is made of wear-resistant metal wire mesh or perforated plate, and the size and shape of its mesh holes are selected according to the particle size requirements of the crushed materials; the installation method of the sieve should ensure that it will not deform or shift during the working process; the inclination angle and vibration frequency of the sieve can be adjusted according to the characteristics of the materials and the screening requirements to improve the screening efficiency and effect; a sealing device may be provided around the sieve to prevent un-screened materials from leaking from the edge.
[0012] Beneficial effects: 1. Through the cooperation of structures such as nuts, card slots and blocks, multiple fixations and stable clamping of the nuts are achieved, achieving the purpose of enhancing the fixing effect of the nuts, thereby greatly improving the connection stability between the hammer head and the rotating member. It ensures that during long-term and high-intensity work of the crusher, the hammer head can always maintain an accurate position and a stable working state, effectively avoiding problems such as unstable working of the hammer head, decreased crushing efficiency and poor crushing quality caused by nut loosening.
[0013] 2. Through the coordinated action of structures such as the rack, spring, and latch, the flexible control of the fixed state of the nut is achieved; the operator rotates the control knob to drive the gear to rotate, which in turn drives the rack to move, causing the latch to disengage from the card slot, thus easily releasing the fixation of the nut; the setting of the spring ensures that when fixation is required, sufficient resilience can be provided to accurately snap the latch into the card slot. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.
[0015] Figure 1 It is a schematic structural diagram of the present utility model.
[0016] Figure 2 It is Figure 1 the main sectional structural diagram of
[0017] Figure 3 It is Figure 1 the side sectional structural diagram of
[0018] Figure 4 It is a schematic structural diagram of the rotating part.
[0019] Figure 5 It is Figure 4 the top sectional structural diagram of
[0020] Figure 6 It is Figure 5 the structural diagram at position A of
[0021] The reference numerals in the drawings are: 1. Crusher housing; 2. Rotating part; 201. Installation groove; 202. Cavity; 203. Storage groove; 3. Hammer head; 4. Sieve; 5. Connecting rod; 6. Nut; 601. Card slot; 7. Latch; 8. Rack; 9. Spring; 10. Gear; 11. Control knob. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0022] To make the objectives, technical solutions, and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model are clearly and completely described below. Obviously, the described embodiments are some, but not all, of the embodiments of the present utility model. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present utility model.
[0023] By providing a hammer anti-loosening device, a crusher hammer, and a crusher in the embodiments of the present application, the technical problems that the traditional hammer connection method may easily cause the nut to loosen, resulting in unstable operation or even detachment of the hammer, and the fixing method of the hammer is difficult to adjust or inconvenient to operate are solved. In actual use, the fixing effect of the nut is enhanced, the connection stability is improved, and the fixing and release of the nut can be flexibly controlled.
[0024] To better understand the above technical solutions, the above technical solutions will be described in detail below in conjunction with the accompanying drawings of the specification and specific embodiments. Embodiment 1
[0025] Referring to Figures 1-6 , a hammer anti-loosening device includes: a rotating member 2, the rotating member 2 includes a plurality of rotating plates, and the horizontal center lines of the plurality of rotating plates coincide, there is a gap between two adjacent rotating plates, and the diameters of the plurality of rotating plates are the same; mounting grooves 201, there are a plurality of them, and the plurality of mounting grooves 201 are evenly opened on the rotating plates at both ends of the rotating member 2, and the mounting grooves 201 on the two rotating plates correspond to each other; hammers 3, there are a plurality of them, and the plurality of hammers 3 are evenly distributed in the gap between the rotating plates, and the hammers 3 are used for crushing materials; connecting rods 5, there are a plurality of them, and the plurality of connecting rods 5 are evenly distributed on the rotating member 2, the connecting rods 5 penetrate the rotating member 2, the connecting rods 5 are detachably connected to the rotating member 2, the connecting rods 5 penetrate the hammers 3, both ends of the connecting rods 5 are a limiting end and a threaded end respectively, and the connecting rods 5 are used for connecting the hammers 3 and the rotating member 2; nuts 6, there are a plurality of them, and the plurality of nuts 6 are respectively located in the mounting grooves 201 on the threaded section side, and the nuts 6 are threadedly connected to the threaded sections of the connecting rods 5; card slots 601, there are a plurality of them, and the plurality of card slots 601 are respectively opened on the nuts 6, and the card slots 601 are distributed around the nuts 6; locking blocks 7, there are a plurality of them, the locking blocks 7 are arranged in the rotating plates at the threaded ends, and the locking blocks 7 are slidably connected to the rotating plates, the locking blocks 7 are adapted to the card slots 601, and the locking blocks 7 are used for clamping and fixing the nuts 6.
[0026] Through the cooperation of the rotating member 2, the mounting grooves 201, the hammers 3, the connecting rods 5, the nuts 6, the card slots 601 and the locking blocks 7, the purpose of firmly connecting the hammers 3 to the rotating member 2 is achieved, and the hammers 3 are prevented from loosening during the working process.
[0027] There are multiple rack bars 8, and the multiple rack bars 8 are respectively and stably connected to multiple clamping blocks 7, and the rack bars 8 are located at one end of the clamping blocks 7 away from the nut 6. The rack bars 8 are used to drive the clamping blocks 7 to move; there are multiple gears 10, and the multiple gears 10 are stably installed in the rotating plate at the threaded end. The multiple gears 10 are respectively meshed with the multiple rack bars 8. The gears 10 are used to drive the rack bars 8 to move; there are multiple control knobs 11, and the multiple control knobs 11 are respectively and stably connected to the multiple gears 10. The control knobs 11 are used to control the rotation of the gears 10; there are multiple springs 9, and the multiple springs 9 are arranged in the rotating plate at the threaded end. The multiple springs 9 are respectively located at one end of the rack bars 8 away from the clamping blocks 7. The springs 9 are used for the rack bars 8 to reset.
[0028] Through the cooperation of the rack bar 8, the gear 10, the control knob 11 and the spring 9, precise control of the clamping block 7 is achieved, so that the nut 6 can be flexibly fixed or released from fastening the connecting rod 5, achieving the purpose of facilitating adjustment and maintenance.
[0029] There are multiple cavities 202, and the multiple cavities 202 are opened in the rotating plate at the threaded end. The cavities 202 are used to provide installation positions for the springs 9; there are multiple receiving grooves 203, and the multiple receiving grooves 203 are opened in the rotating plate at the threaded end. The receiving grooves 203 are used to receive the clamping blocks 7.
[0030] Through the arrangement of the cavities 202 and the receiving grooves 203, the purpose of providing installation positions for the springs 9 and receiving the clamping blocks 7 is achieved, making the structure more compact and reasonable.
[0031] The total length of the connecting rod 5 does not exceed the total length of the rotating part 2. The limiting end of the connecting rod 5 is located in the installation groove 201 on one rotating plate of the rotating part 2, and the threaded end is located in the corresponding installation groove 201 on the other rotating plate of the rotating part 2.
[0032] Through the limitation of the length and installation position of the connecting rod 5, the purpose of ensuring the stable installation of the connecting rod 5 on the rotating part 2 is achieved, ensuring the reliability of the connection. Embodiment 2
[0033] Referring to Figures 1-6 This utility model also discloses a crusher hammer head. The hammer head 3 includes a crushing end and a mounting end. The crushing end of the hammer head 3 is used to crush materials, and the mounting end of the hammer head 3 is used to connect the connecting rod 5 so that the connecting rod 5 mounts the hammer head 3 on the rotating part 2.
[0034] Through the design of the crushing end and the mounting end, the purpose that the hammer head 3 can both effectively crush materials and be reliably mounted on the rotating part 2 is achieved. Embodiment 3
[0035] Reference Figures 1-6 Figures 1-6 , the present utility model also discloses a crusher, the crusher housing 1 is disposed around the rotating member 2, and the rotating member 2 is rotatably connected to the crusher housing 1, and the crusher housing 1 is used to prevent material splashing.
[0036] Through the cooperation of the crusher housing 1 and the rotating member 2, the purpose of providing safety protection for the crushing operation and preventing material splashing is achieved.
[0037] The sieve 4 is disposed inside the crusher housing 1, and the sieve 4 is located directly below the rotating member 2, and the sieve 4 is used for screening and dropping of materials.
[0038] Through the setting of the sieve 4, the purpose of screening and guiding the dropped crushed materials is achieved, and the efficiency and quality of the crushing operation are improved.
[0039] During use, first, when in use, the mounting end of the hammer head 3 is connected to the rotating member 2 through the connecting rod 5; the limiting end of the connecting rod 5 is placed in the mounting groove 201 of the rotating plate at one end of the rotating member 2, and the threaded end passes through the corresponding mounting grooves 201 on the hammer head 3 and the rotating plate at the other end of the rotating member 2, and a nut 6 is screwed on for preliminary fixation; then, under the thrust of the spring 9, the block 7 is snapped into the card slot 601 of the nut 6 to further enhance the fixing effect of the nut 6; during the working process of the crusher, the rotating member 2 drives the hammer head 3 to rotate at a high speed to crush the material. Since the nut 6 is clamped by the block 7, it can effectively prevent the nut 6 from loosening and ensure the stability of the hammer head 3 during operation; when the hammer head 3 needs to be adjusted, repaired or replaced, rotate the control knob 11 to make the gear 10 drive the rack 8 to move, so that the block 7 disengages from the card slot 601 of the nut 6, releasing the fixation of the nut 6, and then disassembling it. After that, under the elastic force of the spring 9, the rack 8 returns to its original position for subsequent operations; after the material is crushed, it falls onto the sieve 4 inside the crusher housing 1. The materials that meet the particle size requirements pass through the sieve 4 for screening and dropping, and the materials that do not meet the requirements continue to be crushed inside the crusher.
[0040] The required driving motor, frame, lining plate, sealing device, etc. thereof all belong to the prior art and are non-essential technical features in this application, so they are not described and drawn in the documents and drawings of this application.
[0041] In summary, compared with the prior art, the following beneficial effects are achieved: effectively reducing the risk of unstable operation and detachment of the hammer head caused by nut loosening, thereby ensuring the continuous and stable operation of the crusher and improving production efficiency; at the same time, providing a convenient way to fix and release the nut, greatly simplifying the adjustment, repair and replacement operations of the hammer head.
[0042] The present utility model covers any alternatives, modifications, equivalent methods and solutions made to the essence and scope of the present utility model. In order to enable the public to have a thorough understanding of the present utility model, specific details are described in detail in the above preferred embodiments of the present utility model, and those skilled in the art can fully understand the present utility model without the description of these details. In addition, in order to avoid unnecessary confusion to the essence of the present utility model, well-known methods, processes, procedures, components and circuits are not described in detail.
[0043] The above are only the preferred embodiments of the present utility model. It should be pointed out that for those of ordinary skill in the art, without departing from the principle of the present utility model, several improvements and refinements can be made, and these improvements and refinements should also be regarded as the protection scope of the present utility model.
Claims
1. A hammer head anti-loosening device, characterized in that: include: A rotating member (2), the rotating member (2) comprising a plurality of rotating plates, wherein horizontal center lines of the plurality of rotating plates coincide with each other, a gap is provided between two adjacent rotating plates, and the plurality of rotating plates have the same diameter; There are a plurality of mounting grooves (201), and the plurality of mounting grooves (201) are evenly arranged on the rotating plates at both ends of the rotating member (2), and the mounting grooves (201) on the two rotating plates correspond to each other; A plurality of hammer heads (3) are provided, and the plurality of hammer heads (3) are evenly distributed in the intervals between the rotating plates, and the hammer heads (3) are used to crush materials; A connecting rod (5); a plurality of connecting rods (5) are provided, and the plurality of connecting rods (5) are evenly distributed on the rotating member (2); the connecting rod (5) passes through the rotating member (2); the connecting rod (5) and the rotating member (2) are detachably connected; the connecting rod (5) passes through the hammer head (3); two ends of the connecting rod (5) are respectively a limit end and a threaded end; the connecting rod (5) is used to connect the hammer head (3) and the rotating member (2); A plurality of nuts (6) are provided, and the plurality of nuts (6) are respectively located in the mounting grooves (201) on the side of the threaded section, and the nuts (6) are threadedly connected to the threaded section of the connecting rod (5); A plurality of slots (601) are provided, and the plurality of slots (601) are respectively opened on the nut (6), and the slots (601) are distributed around the periphery of the nut (6); A plurality of clamping blocks (7) are provided, the clamping blocks (7) being arranged in the rotating plate at the threaded end, the clamping blocks (7) being slidably connected to the rotating plate, the clamping blocks (7) being adapted to the clamping grooves (601), and the clamping blocks (7) being used to clamp the nuts (6).
2. A hammer head anti-loosening device according to claim 1, characterized in that: include: A plurality of gear rods (8) are provided, and the plurality of gear rods (8) are respectively and firmly connected to the plurality of clamping blocks (7), and the gear rods (8) are located at one end of the clamping block (7) away from the nut (6), and the gear rods (8) are used to drive the clamping block (7) to move; A plurality of gears (10) are provided, and the plurality of gears (10) are stably mounted in a rotating plate at a threaded end, the plurality of gears (10) are respectively meshed and connected with a plurality of gear rods (8), and the gears (10) are used to drive the gear rods (8) to move; A plurality of control knobs (11) are provided, and the plurality of control knobs (11) are respectively firmly connected to the plurality of gears (10), and the control knobs (11) are used to control the rotation of the gears (10); A plurality of springs (9) are provided, and the plurality of springs (9) are arranged in the rotating plate at the threaded end. The plurality of springs (9) are respectively located at one end of the gear rod (8) away from the clamping block (7), and the springs (9) are used to reset the gear rod (8).
3. A hammer head anti-loosening device according to claim 2, characterized in that: include: A plurality of cavities (202) are provided, and the plurality of cavities (202) are opened in the rotating plate at the threaded end, and the cavities (202) are used to provide a mounting position for the spring (9); A plurality of receiving grooves (203) are provided, and the plurality of receiving grooves (203) are opened in the rotating plate at the threaded end, and the receiving grooves (203) are used to receive the card blocks (7).
4. A hammer head anti-loosening device according to claim 1, characterized in that: The total length of the connecting rod (5) does not exceed the total length of the rotating member (2); the limiting end of the connecting rod (5) is located in a mounting groove (201) on a rotating plate at one end of the rotating member (2), and the threaded end is located in a corresponding mounting groove (201) on a rotating plate at the other end of the rotating member (2).
5. A crusher hammer head, using a hammer head anti-loosening device according to any one of claims 1 to 4, characterized in that: The hammer head (3) comprises a crushing end and a mounting end. The crushing end of the hammer head (3) is used to crush materials, and the mounting end of the hammer head (3) is used to connect a connecting rod (5) so that the connecting rod (5) mounts the hammer head (3) on the rotating member (2).
6. A crusher, using a hammer head anti-loosening device and a crusher hammer head according to any one of claims 1 to 5, characterized in that: Also includes: The crusher housing (1) is arranged on the periphery of the rotating member (2), and the rotating member (2) is rotatably connected to the crusher housing (1), and the crusher housing (1) is used to prevent material from splashing.
7. A crusher according to claim 6, characterized in that: Also includes: The screen (4) is arranged in the crusher housing (1), and the screen (4) is located directly below the rotating member (2). The screen (4) is used for screening and dropping materials.