Fixing device for side lining plate of jaw crusher

By combining the inverted "V" shaped slots and the clamping mechanism, the problems of loosening and welding fixation of the side liner plates are solved, thus achieving the stability and reliability of the side liner plates, reducing wear and maintenance costs, and preventing frame deformation.

CN223788568UActive Publication Date: 2026-01-13FUJIAN SOUTHERN HIGHWAY MECHANICAL CO LTD
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Patent Information

Application Number
CN202520059992.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-10
Publication Date
2026-01-13
Estimated Expiration
2035-01-10

AI Technical Summary

Technical Problem

The existing side liner fixing method of jaw crushers is prone to loosening or breakage, which leads to increased wear, affects the normal operation of the production line, and welding fixing is costly and may cause frame deformation.

Method used

The first and second side slots are used in an inverted "V" shape to press the side liner plate to the inside of the frame side plate through oblique support force and downward pressing force, avoiding the disadvantages of welding and bolt locking.

Benefits of technology

Ensure the stability and reliability of the side liner plates during the crushing process, prevent wear, reduce maintenance costs, and avoid frame deformation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of jaw crushers, in particular to a fixing device for a side lining plate of a jaw crusher, which is characterized by comprising a pressing mechanism, a first side clamping groove and a second side clamping groove, the first side clamping groove and the second side clamping groove are arranged on the inner side of a side plate of a rack, and the first side clamping groove and the second side clamping groove are arranged in an inverted splayed shape with a wide upper part and a narrow lower part. The first side clamping groove is used for clamping the first inclined edge of the side lining plate, the second side clamping groove is used for clamping the second inclined edge of the side lining plate, and the pressing mechanism is arranged on the outer side of the side plate of the rack and used for keeping applying downward pressing force to the side lining plate. According to the utility model, the side lining plate can be well and fixedly arranged on the inner side of the side plate of the rack, so that the stability and the reliability of the side lining plate in the crushing process are effectively ensured, and the defects caused by welding and fixing the side lining plate and locking the side lining plate by a bolt are effectively avoided.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of jaw crusher, specifically relates to a fixing device for the side lining plate of jaw crusher. BACKGROUND

[0002] The jaw crusher is composed of a movable jaw plate and a fixed jaw plate to form a crushing cavity for crushing materials, and is widely used in the crushing of various ores and large materials in the mining, smelting, building material, highway, railway, water conservancy and chemical industries. The side lining plate of the existing jaw crusher is generally fixed on the side plate of the frame by bolts. During the crushing operation of the equipment, the bolts may become loose or broken, causing the lining plate to shake and lose balance, which increases the wear of the movable jaw plate and other components and may even affect the normal operation of the entire production line. Some manufacturers use welding to fix the side lining plate on the side plate of the frame. However, welding the side lining plate may require higher manufacturing and maintenance costs, including welding materials, energy consumption, and possible subsequent repair or replacement costs. Moreover, if the welding site is not handled properly, it may become a starting point for corrosion. In addition, the welding process may cause deformation of the side plate of the frame. Therefore, it is necessary to further improve the fixing and installation method of the side lining plate on the side plate of the frame. SUMMARY

[0003] The utility model wants to solve the technical problem that a fixing device for the side lining plate of jaw crusher is provided, which can fix and install the side lining plate on the inner side of the side plate of the frame, effectively ensure the stability and reliability of the side lining plate during the crushing process, and effectively avoid the shortcomings caused by welding and bolt locking of the side lining plate.

[0004] To solve the above technical problems, the utility model adopts the following technical scheme: a fixing device for the side lining plate of jaw crusher, comprising a pressing mechanism and first and second side clamping grooves arranged on the inner side of the side plate of the frame. The first and second side clamping grooves are arranged in an inverted "8" shape with the upper part being wider and the lower part being narrower. The first side clamping groove is used to clamp the first inclined edge of the side lining plate and to apply a diagonal upward supporting force and a limiting action towards one side of the side plate of the frame. The second side clamping groove is used to clamp the second inclined edge of the side lining plate and to apply a diagonal upward supporting force and a limiting action towards one side of the side plate of the frame. The pressing mechanism is arranged on the outer side of the side plate of the frame and is used to apply a downward pressing force to the side lining plate.

[0005] Further, the first side clamping groove is arranged between the fixed jaw plate and the side plate of the frame, and the second side clamping groove is arranged between the clamping block and the side plate of the frame. The clamping block is at least one and is fixedly installed on the inner side surface of the side plate of the frame.

[0006] Further, one side edge of the fixed jaw plate is provided with a first recess, and a first side clamping groove is formed between the first recess of the fixed jaw plate and the inner side surface of the rack side plate.

[0007] Further, the first inclined edge of the side lining plate is provided with a first outer inclined surface, the second inclined edge of the side lining plate is provided with a second outer inclined surface, the first recess of the fixed jaw plate is provided with a first inner inclined surface matched with the first outer inclined surface, and the second recess of the clamping block is provided with a second inner inclined surface matched with the second outer inclined surface.

[0008] Further, a clamping assembly is arranged between the clamping block and the rack side plate, the clamping assembly comprises a clamping block and a clamping groove matched with each other, the clamping block is arranged in the clamping groove, and one of the clamping block and the rack side plate is provided with the clamping block and the other is provided with the clamping groove.

[0009] Further, the pressing mechanism comprises a pressing block, a mounting seat and a locking assembly, the rack side plate is provided with a through hole, the side lining plate is provided with a pressing groove on one side surface close to the rack side plate, the mounting seat is fixedly installed on the outer side surface of the rack side plate, the pressing block is arranged above the mounting seat and is locked and fixed on the mounting seat through the locking assembly, one end of the pressing block penetrates through the through hole and extends into the pressing groove and abuts against the bottom surface of the pressing groove.

[0010] Further, the locking assembly comprises a locking bolt, at least one locking elastic pad and at least one locking nut, the mounting seat is provided with a first locking hole, the pressing block is provided with a second locking hole, the locking bolt penetrates through the first locking hole, the second locking hole and the locking elastic pad in sequence and is threadedly connected with the locking nut.

[0011] Further, the pressing mechanism further comprises an adjusting gasket, the pressing block comprises a horizontal plate and a vertical plate arranged perpendicularly and fixedly connected, the mounting seat is fixedly provided with two limit blocks arranged symmetrically, one side surface of the limit block is provided with a limit groove, the adjusting gasket is a plurality of and is arranged in sequence and stacked between the vertical plate and the mounting seat, and two ends of the adjusting gasket are respectively clamped in the limit groove on the corresponding side.

[0012] Further, the pressing mechanism further comprises a limiting gasket, the limiting gasket is fixedly arranged between the upper portions of the two limit blocks, and the limiting gasket and the rack side plate are respectively located on both sides of the vertical plate.

[0013] From the above description, the utility model provides a fixing device for jaw crusher side lining plate has following beneficial effect: through the setting of first side slot and second side slot, it is convenient to install side lining plate from up and down in first side slot and second side slot, and can keep exerting a oblique support to side lining plate and a limit effect to the side of rack side plate, cooperate the pressure mechanism that keeps exerting a downward pressure to side lining plate to side lining plate, so that can fix and install side lining plate in the inside of rack side plate well, effectively ensure the stability and reliability of side lining plate in the process of breaking, and effectively avoid the shortcoming brought by welding fixed side lining plate and bolt locking side lining plate, through the embedding of the embedded block in the embedded groove, and the one side surface of embedded block will keep close contact with the one side inner surface of embedded groove, thereby effectively transfer and disperse the breaking force of jaw crusher when working, thereby prevent fixed bolt from shearing force, ensure the stability when fixing and installing clamp block. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is structure schematic view of the utility model for jaw crusher side lining plate's fixing device.

[0015] Figure 2 It is structure schematic view of the utility model for jaw crusher side lining plate's fixing device. Figure 1 It is the partial enlarged schematic view of A in the utility model.

[0016] Figure 3 It is the top view of the utility model. Figure 1

[0017] Figure 4 It is the sectional view schematic view of B-B direction in the utility model. Figure 3

[0018] Figure 5 It is the partial enlarged schematic view of C in the utility model. Figure 4

[0019] Figure 6 It is structure schematic view of first side slot.

[0020] Figure 7 It is structure schematic view of second side slot.

[0021] Figure 8 It is structure schematic view of clamp block.

[0022] Figure 9 It is structure schematic view of side lining plate.

[0023] ​​​In the figure: 1 - pressing mechanism; 11 - pressing block; 111 - horizontal plate; 112 - vertical plate; 12 - mounting seat; 121 - limiting block; 13 - locking assembly; 131 - locking bolt; 132 - locking elastic pad; 133 - locking nut; 14 - adjusting gasket; 15 - limiting gasket; 2 - rack side plate; 21 - through hole; 31 - first side clamping groove; 32 - second side clamping groove; 4 - side lining plate; 41 - first inclined edge; 42 - second inclined edge; 43 - first outer inclined surface; 44 - second outer inclined surface; 45 - pressing groove; 5 - fixed jaw plate; 51 - first inner inclined surface; 6 - clamping block; 61 - second inner inclined surface; 7 - embedding assembly; 71 - embedding block; 72 - embedding groove. DETAILED DESCRIPTION

[0024] The utility model will be further described below through the specific implementation.

[0025] As Figures 1 to 9 shown, a kind of fixing device for jaw crusher side lining plate 4 of the utility model, including pressing mechanism 1 and being located in the first side clamping groove 31 of rack side plate 2 inside, second side clamping groove 32, the first side clamping groove 31 and the second side clamping groove 32 between it is arranged in inverted "8" shape of wide upper narrow lower, the first side clamping groove 31 is used to hold the first inclined edge 41 of side lining plate 4 and is used to hold the side lining plate 4 and exert a oblique support and a limit action towards one side of rack side plate 2, the second side clamping groove 32 is used to hold the second inclined edge 42 of side lining plate 4 and is used to hold the side lining plate 4 and exert a oblique support and a limit action towards one side of rack side plate 2, the pressing mechanism 1 is located in the outer side of rack side plate 2 and is used to hold the side lining plate 4 and exert a downward pressing force.

[0026] by the first side clamping groove 31 and the second side clamping groove 32, it is convenient to install the side lining plate 4 from up to down in the first side clamping groove 31 and the second side clamping groove 32, and can hold the side lining plate 4 and exert a oblique support and a limit action towards one side of rack side plate 2, while cooperating with the downward pressing force that the pressing mechanism 1 holds the side lining plate 4, so that the side lining plate 4 can be well fixed and installed in the inner side of rack side plate 2, effectively ensure the stability and reliability of side lining plate 4 in the process of breaking, and effectively avoid the shortcomings brought by welding fixation side lining plate 4 and bolt locking side lining plate 4.

[0027] The first side clamping groove 31 is arranged between the fixed jaw plate 5 and the rack side plate 2, and a first recess is arranged on one side edge of the fixed jaw plate 5. The first recess of the fixed jaw plate 5 and the inner side surface of the rack side plate 2 form the first side clamping groove 31. The fixed jaw plate 5 is installed on the front frame. The second side clamping groove 32 is arranged between the clamping block 6 and the rack side plate 2. A second recess is arranged on one side edge of the clamping block 6. The second recess of the clamping block 6 and the inner side surface of the rack side plate 2 form the second side clamping groove 32. The clamping block 6 is at least one and is fixedly installed on the inner side surface of the rack side plate 2. Preferably, the number of clamping blocks 6 is 2-3. Specifically, the clamping block 6 can be fastened by a fixed bolt, a fixed nut and a fixed washer, so as to be fixedly installed on the rack side plate 2.

[0028] In addition, the first inclined edge 41 of the side lining plate 4 is provided with a first outer inclined surface 43, the second inclined edge 42 of the side lining plate 4 is provided with a second outer inclined surface 44, the first recess of the fixed jaw plate 5 is provided with a first inner inclined surface 51 matched with the first outer inclined surface 43, and the first inner inclined surface 51 is tightly combined with the first outer inclined surface 43. The second recess of the clamping block 6 is provided with a second inner inclined surface 61 matched with the second outer inclined surface 44, and the second inner inclined surface 61 is tightly combined with the second outer inclined surface 44.

[0029] In addition, the clamping block 6 and the rack side plate 2 are provided with a matching assembly 7. The matching assembly 7 includes a matching block 71 and a matching groove 72 matched with each other. The matching block 71 is embedded in the matching groove 72. One of the clamping block 6 and the rack side plate 2 is provided with the matching block 71 and the other is provided with the matching groove 72. In this embodiment, the matching block 71 is fixedly arranged on the clamping block 6, and the matching groove 72 is arranged on the inner side surface of the rack side plate 2. In another embodiment, the matching block 71 is fixedly arranged on the inner side surface of the rack side plate 2, and the matching groove 72 is arranged on the clamping block 6. Since the clamping block 6 is fixedly installed on the rack side plate 2 by a fixed bolt, the matching block 71 is embedded in the matching groove 72, and one side outer surface of the matching block 71 is in close contact with one side inner surface of the matching groove 72. Thus, the crushing force during the operation of the jaw crusher is effectively transmitted and dispersed, so as to prevent the fixed bolt from being subjected to shearing force and ensure the stability of the clamping block 6 during the fixed installation.

[0030] The clamping mechanism 1 includes a clamping block 11, a mounting base 12, and a locking assembly 13. The frame side plate 2 has a through hole 21. The side liner 4 has a clamping groove 45 on one side surface near the frame side plate 2. The mounting base 12 is fixedly installed on the outer surface of the frame side plate 2. The clamping block 11 is located above the mounting base 12 and is locked and fixed to the mounting base 12 by the locking assembly 13. One end of the clamping block 11 passes through the through hole 21 and extends into the clamping groove 45 and abuts against the bottom surface of the clamping groove 45. In this way, by pressing the clamping block 11 into the clamping groove 45 of the side liner 4, a downward clamping force can be applied to the side liner 4, effectively preventing the side liner 4 from moving upward. At the same time, the first side slot 31 and the second side slot 32 are provided to ensure the stability and reliability of the side liner 4 during fixed installation.

[0031] The locking assembly 13 includes a locking bolt 131, at least one locking spring washer 132, and at least one locking nut 133. The mounting base 12 is provided with a first locking hole, and the pressure block 11 is provided with a second locking hole. The locking bolt 131 passes through the first locking hole, the second locking hole, and the locking spring washer 132 in sequence and is threadedly connected to the locking nut 133. Preferably, there are two locking springs 132 and two locking nuts 133, so as to stably lock the pressure block 11 onto the mounting base 12.

[0032] In addition, the pressing mechanism 1 also includes adjusting shims 14. The pressing block 11 includes a horizontal plate 111 and a vertical plate 112 that are arranged vertically and fixedly connected. Two symmetrically arranged limiting blocks 121 are fixedly provided on the mounting base 12. One side surface of the limiting block 121 is provided with a limiting groove. Multiple adjusting shims 14 are stacked between the vertical plate 112 and the mounting base 12. The two ends of the adjusting shims 14 are respectively locked in the limiting groove on the corresponding side. In this way, by adjusting the number of adjusting shims 14, the installation height of the pressing block 11 can be adjusted to match the height of the pressing groove 45 of the side liner 4.

[0033] In addition, the pressing mechanism 1 also includes a limiting pad 15, which is fixedly disposed between the upper parts of the two limiting blocks 121. The limiting pad 15 and the frame side plate 2 are respectively located on both sides of the vertical plate 112 to limit the pressing block 11 and prevent the pressing block 11 from moving outward.

[0034] The above are only some specific embodiments of this utility model, but the design concept of this utility model is not limited thereto. Any non-substantial modifications made to this utility model using this concept shall be considered as an infringement of the protection scope of this utility model.

Claims

1. A securing device for a jaw crusher side liner plate, characterised in that: The pressing mechanism is arranged outside the rack side plate and is used to apply a downward pressing force to the side lining plate.

2. A securing device for a side liner plate of a jaw crusher according to claim 1, characterized in that: The first side clamping groove is arranged between the fixed jaw plate and the rack side plate, and the second side clamping groove is arranged between the clamping block and the rack side plate.

3. A securing device for a side liner plate of a jaw crusher according to claim 2, characterized in that: The side lining plate is provided with a first outer inclined surface on the first inclined edge, and a second outer inclined surface on the second inclined edge.

4. A securing device for a side liner plate of a jaw crusher according to claim 3, characterized in that: The clamping block and the rack side plate are provided with a joint assembly, which comprises a clamping block and a clamping groove that are matched with each other.

5. A securing device for a side liner plate of a jaw crusher according to claim 2, characterized in that: The pressing mechanism comprises a pressing block, a mounting seat and a locking assembly.

6. A securing device for a side liner plate of a jaw crusher according to claim 1, characterized in that: The locking assembly comprises a locking bolt, at least one locking elastic pad and at least one locking nut.

7. A securing device for a side liner plate of a jaw crusher according to claim 6, characterized in that: The pressing mechanism further comprises an adjusting gasket.

8. A securing device for a side liner plate of a jaw crusher according to claim 6, characterized in that: The pressing block comprises a horizontal plate and a vertical plate arranged vertically and fixedly connected. The mounting seat is fixedly provided with two limiting blocks arranged symmetrically on the outer side surface of the rack side plate. The limiting block is provided with a limiting groove on one side surface. The adjusting gasket is provided between the vertical plate and the mounting seat.

9. A securing device for a side liner plate of a jaw crusher according to claim 8, characterized in that: The pressing mechanism further comprises a limiting gasket fixed between the upper portions of the two limiting blocks, and the limiting gasket and the rack side plate are respectively located on both sides of the vertical plate.