Anti-loosening device of crusher hammerhead
By designing a connecting mechanism and a damping collar on the crusher hammer handle, the problem of unstable material crushing caused by hammer swaying was solved, achieving a more efficient material crushing effect.
Patent Information
- Application Number
- CN202520268957.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-20
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-02-20
AI Technical Summary
The existing crusher hammers are prone to lateral swaying when pulled by the crusher, resulting in unstable material crushing effect.
The hammer handle and connecting mechanism, through the combined design of connecting bearings, threaded shafts, threaded sleeves and damping collars, ensure stable rotation of the hammer handle in the crusher and prevent wobbling.
It improves the stability and uniformity of material crushing and avoids material crushing differences caused by hammer shaking.
Smart Images

Figure CN223945771U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a hammer head technical field of crusher, specifically related to a kind of anti-loosening device of hammer head of crusher. BACKGROUND
[0002] Hammer crusher is a kind of widely used in multiple industries high-efficiency crushing equipment, mainly used for crushing medium hardness and brittle material, hammer crusher has the advantages such as simple structure, convenient operation, low maintenance cost, so it has been widely used in mining, metallurgy, building materials, chemical industry and other fields;
[0003] The existing hammer head of crusher is fixed by multiple bolts, but when the hammer head as a whole is pulled by crusher, lateral shaking is still possible, and then the hammer head is not hit to material as set in the process of hitting, so that the material crushing effect is difficult to guarantee. UTILITY MODEL CONTENTS
[0004] The utility model discloses a kind of anti-loosening device of hammer head of crusher to solve the above-mentioned problems.
[0005] The utility model realizes the above-mentioned purposes by the following technical solutions:
[0006] A kind of anti-loosening device of hammer head of crusher, including: hammer head handle and two connecting mechanisms, the connecting groove is set to both sides of the hammer head handle, the connecting mechanism is rotatably arranged with connecting bearing on the side close to hammer head handle, the screw shaft is fixedly arranged on the side away from hammer head handle of the connecting mechanism, the screw thread sleeve is threadedly covered on the outer surface of the screw shaft;
[0007] Rotary sleeve is rotatably arranged on the sleeve body of the screw thread sleeve, three recesses are formed on the outer surface of the rotary sleeve, and the telescopic limiting mechanism is fixedly arranged in the inner side of the three recesses, the damping sleeve ring is fixedly arranged on the side of the screw thread sleeve, and two connecting limiting rods are threadedly arranged between the two connecting mechanisms.
[0008] Further, the two connecting mechanisms each include a connecting disc, and the connecting disc is transversely provided with three limiting sliding grooves, and the connecting disc is provided with three bolt holes.
[0009] Further, the bolt hole penetrates the limiting sliding groove, the fixed bolt is threadedly covered on the inner side of the bolt hole, and the fixed bolt is covered on the inner side of the bolt hole while penetrating the limiting sliding groove.
[0010] Further, the telescopic limiting mechanism includes a telescopic plate, the limiting plate is fixedly arranged on the top side of the telescopic plate, and the limiting hole is formed on one side of the top side of the telescopic plate.
[0011] Further, the damping sleeve ring is provided with two, and the two damping sleeve rings have a certain distance.
[0012] Further, the connecting disc is provided with an annular groove on one side close to the hammer handle, and the connecting bearing is rotatably arranged in the groove between the connecting groove and the connecting disc.
[0013] Further, one side of the knob screw sleeve close to the hammer handle is narrow, and the side away from the hammer handle is wider than the side close to the hammer handle.
[0014] Further, the connecting limiting rod is provided with a nut on both sides of the rod body.
[0015] With the above structure, the hammer handle is installed before the crusher, first, the staff places one of the connecting mechanisms on the rod before stringing up the hammer handle, then places the hammer handle on the rod, and finally, the other connecting mechanism is sleeved on the rod, and the groove on one side of the connecting mechanism is aligned with the connecting groove on both sides of the hammer handle, at this time, the connecting bearing rotates in the groove between the connecting groove and the groove on one side of the connecting mechanism, providing a rotating space for the connecting mechanism and the hammer handle, so that the hammer handle can rotate with the crusher when the crusher rotates with the hammer handle, after the two connecting mechanisms and the hammer handle are installed in the crusher, the connecting limiting rod is penetrated through the two connecting mechanisms, and the nut is sleeved on the connecting limiting rod, then the nut is tightened to firmly clamp the hammer handle between the two connecting mechanisms, after the staff completes the installation of the hammer handle, the knob screw sleeve is rotated on the surface of the threaded shaft until the knob screw sleeve moves to one side as a whole, when contacting the inner side of the crusher, the damping generated by the damping sleeve ring and the inner side of the crusher makes the knob screw sleeve unable to rotate on the outer side of the threaded shaft, the connecting mechanism is limited by the damping generated by the knob screw sleeve and the inner wall of the crusher, so that the position of the hammer handle in the crusher is stable and cannot move left and right, improving the stability of the crusher in crushing materials, avoiding the left and right shaking of the hammer handle in the crusher, and thus avoiding the difference in crushing materials, so that the hammer handle cannot crush materials in all directions, and different effects of material crushing are formed.
[0016] In summary, the beneficial effects of the present application are that the connecting mechanism, the knob screw sleeve and the damping sleeve ring on one side of the knob screw sleeve firmly clamp the hammer handle, so that the hammer handle stably rotates in the crusher, avoids shaking of the hammer handle, improves the effect of material crushing, and avoids deviation of the hammer handle during the downward hitting process, and reduces the difference in material crushing. BRIEF DESCRIPTION OF DRAWINGS
[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or prior art description. Obviously, the drawings described below are only some of the embodiments of the present application, and all the drawings obtained by those skilled in the art without creative labor based on the embodiments in the present application also belong to the scope of the present application.
[0018] Figure 1 is the front view of the present application;
[0019] Figure 2 is the shaft side view of the present application;
[0020] Figure 3 is the shaft side view of the connection mechanism and the driving threaded sleeve after explosion of the present application;
[0021] Figure 4 is the A magnified view of the present application; Figure 3
[0022] Figure 5 is the B magnified view of the present application; Figure 3
[0023] Figure 6 is the C magnified view of the present application. Figure 3
[0024] The following is the explanation of the reference signs:
[0025] 1, hammer handle; 2, connecting groove; 3, connecting mechanism; 301, connecting disc; 302, bolt hole; 303, limiting sliding groove; 304, fixing bolt; 4, connecting bearing; 5, threaded shaft; 6, driving threaded sleeve; 7, telescopic limiting mechanism; 701, telescopic plate; 702, limiting plate; 703, limiting hole; 8, connecting limiting rod; 9, damping sleeve ring; 10, rotating sleeve ring. DETAILED DESCRIPTION
[0026] In order to make the purpose, technical scheme and advantages of the present application more clear, the technical scheme of the present application will be described in detail below. Obviously, the described embodiments are only some of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all the drawings obtained by those skilled in the art without creative labor under the premise of not making creative labor also belong to the scope of the present application.
[0027] Other embodiments, all belong to the scope of the present application.
[0028] Referring to Figures 1-3 The utility model provides a kind of anti-loosening device of hammer head of crusher, comprising: hammer head handle 1 and two connecting mechanisms 3, the two sides of hammer head handle 1 are all provided with connecting groove 2, connecting bearing 4 is rotationally arranged on the side of connecting mechanism 3 close to hammer head handle 1, threaded shaft 5 is fixedly arranged on the side of connecting mechanism 3 away from hammer head handle 1, the outer surface of threaded shaft 5 is threadedly equipped with dialing threaded sleeve 6, rotating sleeve ring 10 is rotationally arranged on the sleeve body of dialing threaded sleeve 6, three grooves are formed on the outer surface of rotating sleeve ring 10, three the inner side of groove is fixedly provided with telescopic limiting mechanism 7, damping sleeve ring 9 is fixedly arranged on the side of dialing threaded sleeve 6, two connecting limiting rods 8 are threadedly arranged between two connecting mechanisms 3;
[0029] By the above technical scheme, hammer head handle 1 falls and hits on the material after rotating in the crusher, so that hammer head handle 1 hits on the material to crush the material, through connecting mechanism 3, when hammer head handle 1 is connected together in the crusher, hammer head handle 1 is separated and stably clamped on the inside of the crusher, so as to avoid the change of the hitting angle of hammer head handle 1, thereby affecting the crushing effect of the material, connecting bearing 4 is arranged between hammer head handle 1 and connecting mechanism 3, so that after two connecting mechanisms 3 clamp hammer head handle 1, hammer head handle 1 can still rotate at an angle on the inside with the crusher, threaded shaft 5 and dialing threaded sleeve 6 are closely sleeved, which provides a sliding space for dialing threaded sleeve 6, through damping sleeve ring 9, the separating plate on the inside of the crusher is contacted, the connecting mechanism 3 is limited, so that it is more firmly fixed, and at the same time, the rotation of connecting mechanism 3 is avoided, which affects the hitting angle of hammer head handle 1.
[0030] Referring to Figure 4 As shown, two connecting mechanisms 3 each include a connecting disc 301, three limiting sliding grooves 303 are transversely arranged through the connecting disc 301, three bolt holes 302 are arranged through the outer surface of the connecting disc 301, the bolt holes 302 pass through the limiting sliding grooves 303, fixed bolts 304 are threadedly sleeved on the inner side of the bolt holes 302, the fixed bolts 304 are sleeved on the inner side of the bolt holes 302 and pass through the limiting sliding grooves 303, an annular groove is formed on the side of the connecting disc 301 close to the hammer head handle 1, and the connecting bearing 4 is rotationally arranged in the groove between the connecting groove 2 and the connecting disc 301.
[0031] In use, the limiting sliding grooves 303 transversely pass through, three are arranged on three places of the connecting disc 301 respectively, correspond to the bolt holes 302, the bolt holes 302 pass through the surface of the connecting disc 301 and the limiting sliding grooves 303, at the same time, the fixed bolts 304 are threadedly sleeved on the inner side through the bolt holes 302, and the telescopic limiting mechanism 7 is clamped on the inner side, the fixing of the telescopic limiting mechanism 7 is completed, and the length of the bolt holes 302 passes through the limiting sliding grooves 303 and extends downward.
[0032] Referring toFigure 5 As shown, the telescopic limiting mechanism 7 includes a telescopic plate 701, a limiting plate 702 is fixedly arranged on the top side of the telescopic plate 701, and a limiting hole 703 is formed on one side of the top side of the telescopic plate 701.
[0033] In use, through the telescopic property of the telescopic plate 701 and the limiting plate 702 on the top side of the telescopic plate 701, when the telescopic plate 701 is inserted into the limiting sliding groove 303, the limiting plate 702 is used to limit the distance of the telescopic plate 701 inserted into the limiting sliding groove 303, and on the other hand, the telescopic plate 701 is prevented from being retracted back, wherein the size of the limiting hole 703 is consistent with the size of the fixing bolt 304, and after the telescopic plate 701 is clamped into the limiting sliding groove 303, the fixing bolt 304 also penetrates the limiting hole 703 when penetrating the bolt hole 302 and the telescopic plate 701 penetrating the limiting sliding groove 303, thereby limiting the position of the telescopic plate 701, and at the same time, since the fixed rotating sleeve 10 of the telescopic limiting mechanism 7 is rotated outside the driving threaded sleeve 6, and at this time, the telescopic limiting mechanism 7 is clamped on one side of the connecting mechanism 3, the length of the telescopic plate 701 in the telescopic limiting mechanism 7 limits the driving threaded sleeve 6 from moving outward, thereby ensuring the stability of clamping the hammer handle 1, and keeping the position of the hammer handle 1 unchanged when it is struck downward in the crusher, and cooperating with other hammer handles 1 in the crusher to efficiently strike downward on the materials.
[0034] Referring to Figures 1-3 As shown, the damping sleeve 9 is provided with two, and there is a certain distance between the two damping sleeves 9, one side of the driving threaded sleeve 6 near the hammer handle 1 is narrower, and the side away from the hammer handle 1 is wider than the side near the hammer handle 1, and the connecting limiting rod 8 is provided with a nut on both sides of the rod body.
[0035] By using the above embodiment, the hammer crusher is generally composed of multiple hammers in series, and there is a certain distance between each hammer. The driving threaded sleeve 6 on one side of the connecting mechanism 3 fills the distance between the partitions, and at the same time, the damping generated by the damping sleeve 9 limits the rotation of the driving threaded sleeve 6, thereby improving the stability of the filled driving threaded sleeve 6, avoiding the position deviation of the hammer handle 1 during the process of rising and falling with the crusher, and reducing the crushing effect on the materials, thereby affecting the crushing of the materials.
[0036] With the above structure, the hammer handle 1 is installed before the crusher, first, the staff places one of the connecting mechanisms 3 on the rod before stringing the hammer handle 1, then places the hammer handle 1 on the rod, and finally puts the other connecting mechanism 3 on the rod, and the direction of the slot opened on one side of the connecting mechanism 3 is aligned with the connecting slot 2 opened on both sides of the hammer handle 1, at this time the connecting bearing 4 rotates in the connecting slot 2 and the slot on one side of the connecting mechanism 3, providing a rotatable space for the connecting mechanism 3 and the hammer handle 1, so that the hammer handle 1 can rotate with the crusher when the crusher rotates with the hammer handle 1, after the two connecting mechanisms 3 and the hammer handle 1 are installed in the crusher, the two connecting limiting rods 8 are inserted through the two connecting mechanisms 3, and the nuts are sleeved on the connecting limiting rods 8, then the nuts are tightened to firmly clamp the hammer handle 1 between the two connecting mechanisms 3, when the staff completes the installation of the hammer handle 1, rotate the threaded sleeve 6 on the surface of the threaded shaft 5, until the threaded sleeve 6 moves to one side as a whole, when contacting the inner side of the crusher, the damping sleeve ring 9 and the inner side of the crusher generate damping, so that the threaded sleeve 6 cannot rotate on the outside of the threaded shaft 5, the connecting mechanism 3 is limited by the damping generated by the threaded sleeve 6 and the inner wall of the crusher to limit the hammer handle 1, so that the hammer handle 1 is stable in position in the crusher and cannot move left and right in the crusher, improving the stability of the crusher in crushing materials, avoiding the left and right movement of the hammer handle 1 in the crusher, which leads to the difference in crushing materials, so that the hammer handle 1 cannot crush materials in all directions, resulting in different effects of material crushing.
[0037] The above is only a specific embodiment of the present application, but the protection scope of the present application is not limited thereto, any skilled person in the art can easily think of changes or replacements within the technical range disclosed by the present application, which should be covered within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.
Claims
1. A break-out prevention device for a hammer head of a hammer mill, characterized by Include: Hammer handle (1) and two connecting mechanism (3), the connecting groove (2) is set on both sides of the hammer handle (1), the connecting mechanism (3) is provided with a connecting bearing (4) on the side close to the hammer handle (1), the connecting mechanism (3) is provided with a threaded shaft (5) on the side away from the hammer handle (1), the threaded shaft (5) is provided with a threaded sleeve (6) on the outer surface; The rotating sleeve ring (10) is rotatably arranged on the sleeve body of the threaded sleeve (6), three grooves are formed on the outer surface of the rotating sleeve ring (10), and the extension limiting mechanism (7) is fixedly arranged in the inner side of the three grooves, the damping sleeve ring (9) is fixedly arranged on one side of the threaded sleeve (6), and the two connecting mechanisms (3) are provided with two connecting limiting rods (8).
2. The anti-backout device for a hammer of a rock crusher as set forth in claim 1, wherein: The two connecting mechanisms (3) each include a connecting disc (301), and the connecting disc (301) is provided with three limiting sliding grooves (303) transversely through.
3. The anti-backout device for a hammer of a rock crusher as set forth in claim 2, wherein: The screw hole (302) penetrates the limiting sliding groove (303), the fixed bolt (304) is threadedly sleeved on the inner side of the screw hole (302), and the fixed bolt (304) is sleeved on the inner side of the screw hole (302) and penetrates the limiting sliding groove (303).
4. The anti-backout device for a hammer of a rock crusher as set forth in claim 1, wherein: The extension limiting mechanism (7) includes an extension plate (701), a limiting plate (702) is fixedly arranged on the top side of the extension plate (701), and a limiting hole (703) is formed in the top side of the extension plate (701).
5. The anti-backout device for a hammer of a rock crusher as set forth in claim 1, wherein: The damping sleeve ring (9) is provided with two, and the two damping sleeve rings (9) are a certain distance apart.
6. The anti-backout device for a hammer of a rock crusher as set forth in claim 3, wherein: The connecting disc (301) is provided with an annular groove on the side close to the hammer handle (1), and the connecting bearing (4) is rotatably arranged in the groove between the connecting groove (2) and the connecting disc (301).
7. The anti-backout device for a hammer of a rock crusher as set forth in claim 1, wherein: The side of the threaded sleeve (6) close to the hammer handle (1) is narrower, and the side away from the hammer handle (1) is wider than the side close to the hammer handle (1).
8. The anti-backout device for a hammer of a rock crusher as set forth in claim 1, wherein: The connecting limiting rod (8) is provided with a nut on both sides of the rod body.