Articulated spring seat of jaw crusher

Abstract

The utility model discloses a joint type spring seat of a jaw crusher, which comprises a movable jaw assembly, the bottom end of the movable jaw assembly is connected with a toggle plate, the other end of the toggle plate is connected with a toggle plate seat, the right end of the toggle plate seat is connected with a rear wall assembly, the bottom end of the movable jaw assembly is also rotatably connected with a pull rod, and the right side of the bottom end of the rear wall assembly is welded with a joint spring seat A; an annular anti-grinding disc is arranged in the joint spring seat A. A joint spring seat B is arranged on the right side of the joint spring seat A. A spring C is fixedly connected to the middle of the right side of the joint spring seat B. The right end of the pull rod penetrates through the rear wall assembly, the joint spring seat A, the joint spring seat B and the spring C and penetrates out of the right side of the spring seat. The pull rod can move left and right in the rear wall assembly, the joint spring seat A, the joint spring seat B and the spring C, and the joint spring seat A is rotationally connected with the joint spring seat B. The joint type spring seat is simple in structure and reasonable in design, the damage efficiency of the pull rod and the spring C is reduced, and the service life of the joint type spring seat is effectively prolonged.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of mine crushing, particularly relates to a joint type spring seat of jaw crusher. BACKGROUND

[0002] The joint type spring seat is a specially designed spring seat in the jaw crusher, which adopts the joint connection mode to make the spring seat and other components of the crusher more flexible in cooperation.

[0003] The existing joint type spring seat is welded and fixed on the rear wall assembly during work, and the spring also does the extension and contraction movement and the up and down swing with the pull rod in the process of the front and back movement and the up and down swing. SUMMARY

[0004] The utility model discloses a kind of joint type spring seats of jaw crusher, including spring, pull rod, rear wall assembly and joint, the rear wall assembly is fixedly connected to the pull rod, and the pull rod is fixedly connected to the spring.

[0005] The purpose of the utility model is achieved as follows: a joint spring seat of a jaw crusher, which includes a movable jaw assembly, the bottom end of the movable jaw assembly is connected to a toggle plate, the other end of the toggle plate is connected to a toggle plate seat, the right end of the toggle plate seat is connected to a rear wall assembly, the bottom end of the movable jaw assembly is also rotatably connected to a pull rod, a joint spring seat A is welded on the right side of the bottom end of the rear wall assembly, an annular anti-wear disk is provided inside the joint spring seat A, a joint spring seat B is provided on the right side of the joint spring seat A, a spring C is fixedly connected to the middle of the right side of the joint spring seat B, and the spring C is also One end is fixedly connected to a spring seat, and support parts are provided at the upper and lower ends of the spring C. The left side of the support part is fixedly connected to the right side of the joint spring seat B, and the right side of the support part is fixedly connected to the left side of the spring seat. The right end of the pull rod passes through the rear wall assembly, the joint spring seat A, the joint spring seat B and the spring C respectively, and comes out from the right side of the spring seat. A nut fastener is provided at the connection between the rightmost side of the pull rod and the spring seat. The pull rod can move left and right in the rear wall assembly, the joint spring seat A, the joint spring seat B and the spring C, and the joint spring seat A is rotatably connected to the joint spring seat B.

[0006] Preferably, an arcuate surface A is provided at the center of the right side of the joint spring seat A, a through hole A is provided at the center of the arcuate surface A, a notch is provided at the bottom end of the joint spring seat A, an annular arcuate groove is also provided inside the arcuate surface A, an annular through groove is provided at the top of the arcuate groove, convex edges A are provided on both sides of the annular through groove, and a number of evenly arranged fixing grooves A are provided at the bottom of the arcuate groove.

[0007] Preferably, the anti-wear disc is embedded in the arc-shaped groove, the anti-wear disc is made of polytetrafluoroethylene material, an anti-wear ring is provided on the top of the anti-wear disc, convex edges B are provided on both sides of the anti-wear ring, and several evenly arranged fixing grooves B are provided at the bottom end of the anti-wear disc, and a notch corresponding to the joint spring seat A is provided at the bottom end of the anti-wear disc.

[0008] Preferably, the fixing groove A and the fixing groove B are both cylindrical structures with the same radius, the number of the fixing grooves A and the number of the fixing grooves B correspond one to one, and a spring A is fixedly arranged between the fixing grooves A and B.

[0009] Preferably, the top of the anti-wear ring is an arc-shaped structure protruding toward the joint spring seat B.

[0010] Preferably, an arcuate surface B is provided at the center of the left side of the joint spring seat B, and a through hole B is opened at the center of the arcuate surface B.

[0011] Preferably, the radius of the arc-shaped surface A is consistent with that of the arc-shaped surface B, and the radius of the through hole B is smaller than that of the through hole A.

[0012] Preferably, the right end of the pull rod can pass through the through hole A and the through hole B and can move left and right in the through hole A and the through hole B, and the radius of the pull rod is slightly smaller than the radius of the through hole B.

[0013] Preferably, the support part comprises a support rod and a support cylinder, a sliding block is arranged in the support cylinder, the sliding block can slide back and forth in the support cylinder, the right end of the support rod is fixedly connected with the sliding block, and the right end of the sliding block is fixedly connected with the inner side of the right end of the support cylinder and provided with a spring B.

[0014] Preferably, the spring A and the spring B are compression springs, and the spring C is a tensile spring.

[0015] The utility model discloses the beneficial effect is as follows:

[0016] 1, the utility model discloses a setting arc groove and anti -wear disc in joint spring seat A, when the arc surface B on joint spring seat B hits to joint spring seat A, first will hit on the anti -wear ring of anti -wear disc, and then will transmit force to joint spring seat A, can effectively reduce the direct friction of arc surface A and arc surface B, and then can significantly improve the service life of joint spring seat A and joint spring seat B, a plurality of spring A can be further buffered the force that joint spring seat B transmits, reduces the impact force to joint spring seat A and pull rod, reduces the damage to joint spring seat A and pull rod, improves the service life of pull rod.

[0017] 2, the utility model discloses that the joint of joint spring seat A and joint spring seat B uses the arc surface design of joint type, when working, spring C and joint spring seat A, joint spring seat B are more closely attached, synchronous motion, and spring C is more evenly stressed, and spring C only needs to bear the expansion and contraction force along the direction of pull rod, improves the service life of spring C, simultaneously, joint spring seat B can take joint spring seat A as fulcrum and do the spherical motion of swing in the upper and lower directions, greatly reduces the bending force of pull rod, reduces the damage probability, improves the service life of pull rod.

[0018] 3, the utility model discloses setting support part on the upper and lower ends of spring C, when spring C moves, support part moves synchronously with spring C, when spring C swings in the upper and lower directions, the setting of support part can further reduce the bending force that spring C bears, when spring C does the expansion and contraction motion along the direction of pull rod, the support part leaf can do the expansion and contraction motion synchronously with spring C, can effectively relieve the expansion and contraction force that spring C bears, significantly improves the service life of spring C.

[0019] Overall, the utility model has the advantages of simple structure, reasonable design, reduces the damage efficiency of pull rod and spring C, and effectively prolongs the service life of joint type spring seat. DRAWINGS

[0020] Figure 1 is a structural schematic diagram of the utility model.

[0021] Figure 2 is the connection schematic diagram of joint spring seat A and joint spring seat B of the utility model.

[0022] Figure 3 is the sectional schematic diagram of joint spring seat A of the utility model.

[0023] Figure 4 is the three-dimensional structural schematic diagram of joint spring seat A of the utility model.

[0024] Figure 5 is the structural schematic diagram of the utility model anti-abrasion disc.

[0025] Figure 6 is the three-dimensional structural schematic diagram of the utility model anti-abrasion disc.

[0026] Figure 7 is the structural schematic diagram of spring C and support part of the utility model.

[0027] In the figure: 1. moving jaw assembly 2. toggle plate 3. toggle plate seat 4. back wall assembly 5. pull rod 6. joint spring seat A 601. arc-shaped groove 602. arc-shaped surface A 603. fixed groove A 604. annular through groove 605. convex edge A 7. joint spring seat B 701. arc-shaped surface B 8. anti-abrasion disc 801. fixed groove B 802. anti-abrasion ring 803. convex edge B 9. spring A 10. support part 1001. support rod 1002. sliding block 1003. spring B 1004. support cylinder 11. spring C 12. spring seat 13. nut fastener 14. through hole A 15. through hole B. DETAILED DESCRIPTION

[0028] The following are specific embodiments of the utility model, and the technical scheme of the utility model is further described in combination with the drawings, but the utility model is not limited to these embodiments.

[0029] Embodiment one:

[0030] As Figures 1-6As shown, a kind of joint spring seat of jaw crusher, it includes dynamic jaw assembly 1, the bottom end of the dynamic jaw assembly 1 is connected with toggle plate 2, the other end of the toggle plate 2 is connected with toggle plate seat 3, the right end of the toggle plate seat 3 is connected with rear wall assembly 4, the bottom end of the dynamic jaw assembly 1 is also rotatably connected with pull rod 5, the right side of the bottom end of the rear wall assembly 4 is welded with joint spring seat A 6, the inside of the joint spring seat A 6 is provided with annular wear-resistant disc 8, the right side of the joint spring seat A 6 is provided with joint spring seat B 7, the right side middle part of the joint spring seat B 7 is fixedly connected with spring C 11, the other end of the spring C 11 is fixedly connected with spring seat 12, the upper and lower ends of the spring C 11 are both provided with support part 10, the left side of the support part 10 is fixedly connected with the right side of the joint spring seat B 7, the right side of the support part 10 is fixedly connected with the left side of the spring seat 12, the right end of the pull rod 5 respectively passes through rear wall assembly 4, joint spring seat A 6, joint spring seat B 7 and spring C 11, and comes out from the right side of spring seat 12, the rightmost side of the pull rod 5 is provided with nut fastener 13 at the joint with spring seat 12, the pull rod 5 can move left and right in rear wall assembly 4, joint spring seat A 6, joint spring seat B 7 and spring C 11, the joint spring seat A 6 is rotatably connected with the joint spring seat B 7.

[0031] Wherein, the right side center of the joint spring seat A 6 is provided with arc surface A 602, the center of the arc surface A 602 is provided with through hole A 14, the bottom end of the joint spring seat A 6 is provided with notch 16, the inside of the arc surface A 602 is further provided with annular arc groove 601, the top of the arc groove 601 is provided with annular through groove 604, the two sides of the annular through groove 604 are provided with convex edge A 605, the bottom of the arc groove 601 is provided with a plurality of evenly arranged fixed grooves A 603.

[0032] The setting of arc groove 601 is used for installing wear-resistant disc 8, annular through groove 604 can limit the circumferential position of wear-resistant disc 8 on one hand, and the top of wear-resistant disc 8 can protrude outward from annular through groove 604 on the other hand, the setting of convex edge A 605 is used for limiting the axial position of wear-resistant disc 8, which is convenient for the fixation of wear-resistant disc 8, and ensures the stability of operation.

[0033] Wherein, the wear-resistant disc 8 is embedded in the inside of the arc groove 601, the wear-resistant disc 8 is made of polytetrafluoroethylene material, the top of the wear-resistant disc 8 is provided with wear-resistant ring 802, the two sides of the wear-resistant ring 802 are provided with convex edge B 803, the bottom end of the wear-resistant disc 8 is provided with a plurality of evenly arranged fixed grooves B 801, the bottom end of the wear-resistant disc 8 is provided with notch 16 corresponding to joint spring seat A 6;

[0034] The wear-resistant disc 8 is made of polytetrafluoroethylene material, has high chemical stability, good thermal stability and excellent wear resistance, can effectively enhance the wear resistance of the wear-resistant disc 8, and meanwhile, the polytetrafluoroethylene material has certain flexibility, facilitating installation of the wear-resistant disc 8. The specific installation method is as follows: before installation, the wear-resistant disc 8 is slightly heated to a soft state, then one end of the wear-resistant disc 8 is inserted into the arc-shaped groove 601 of the joint spring seat A6 until the two ends of the wear-resistant disc 8 are flush with the two ends of the arc-shaped groove 601, that is, the wear-resistant disc 8 is installed in place, at this time, the wear-resistant ring 802 can be just pushed out of the annular through groove 604, and the convex edge B803 is just clamped at the bottom end of the convex edge A605, so that the top of the wear-resistant disc 8 is limited, and the wear-resistant disc 8 can move up and down between the convex edge A605 and the bottom of the arc-shaped groove 601.

[0035] The fixed groove A603 and the fixed groove B801 are both cylindrical structures with consistent radii, the fixed groove A603 and the fixed groove B801 are in one-to-one correspondence, and the spring A9 is fixedly arranged between the fixed groove A603 and the fixed groove B801.

[0036] The spring A9 can tightly attach the convex edge B803 of the wear-resistant disc 8 to the convex edge A605 of the arc-shaped groove 601, so as to ensure that the wear-resistant ring 802 is always in the state of being pushed out of the annular through groove 604, on the one hand, the wear-resistant ring 802 can always be in close contact with the arc-shaped surface B701 of the joint spring seat B7, so as to avoid damage to the joint spring seat A6, on the other hand, the spring A9 can also offset a part of the impact force from the wear-resistant ring 802, so as to ensure the stability of the jaw crusher during work, and meanwhile, through the clamping effect of the spring A9 on the fixed groove A603 and the fixed groove B801, the circumferential displacement of the wear-resistant disc 8 caused by vibration during work is avoided, so as to ensure the relative position relationship between the arc-shaped groove 601 and the wear-resistant disc 8.

[0037] The top of the wear-resistant ring 802 is an arc-shaped structure protruding towards the joint spring seat B7, the left center of the joint spring seat B7 is provided with an arc-shaped surface B701, and a through hole B15 is formed in the center of the arc-shaped surface B701.

[0038] The top of the anti-abrasion ring 802 is provided as a convex arc structure, when the arc surface B701 of the joint spring seat B7 is tightly attached to the arc surface A602 of the joint spring seat A6, the arc surface B701 is first contacted, on one hand, the impact force from the joint spring seat A6 is offset, the stability of the jaw crusher is improved, on the other hand, the friction damage to the arc surface A602 is reduced through the design of the anti-abrasion ring 802, the service life of the joint spring seat A6 is improved, the arc structure design can also reduce the friction between the anti-abrasion ring 802 and the arc surface B701, the friction damage to the arc surface B701 is avoided, the service life of the joint spring seat B7 is improved, and the reduction of the impact force can further improve the service life of the pull rod 5.

[0039] The radius of the arc surface A602 is consistent with the radius of the arc surface B701, the radius of the through hole B15 is smaller than the radius of the through hole A14, the right end of the pull rod 5 can pass through the through hole A14 and the through hole B15 and can move left and right in the through hole A14 and the through hole B15, and the radius of the pull rod 5 is slightly smaller than the radius of the through hole B15.

[0040] The radius of the arc surface A602 is consistent with the radius of the arc surface B701, when the joint spring seat B7 makes up-down spherical surface rotation with the joint spring seat A6 as a node, the movement track of the arc surface A602 and the arc surface B701 is always in a parallel state, the friction between the arc surface A602 and the arc surface B701 is reduced, the damage probability of the pull rod 5 and the joint spring seat A6 is reduced, and the service life of the pull rod 5 and the joint spring seat A6 is improved.

[0041] The radius of the pull rod 5 is slightly smaller than the radius of the through hole B15, so that the left and right movement of the pull rod 5 is not affected, and the pull rod 5 can better move up and down with the joint spring seat B7, the radius of the through hole B15 is smaller than the radius of the through hole A14, so that more rotation space is left for the pull rod 5, the friction between the pull rod 5 and the joint spring seat A6 is reduced when the pull rod 5 rotates up and down, and the bending force of the pull rod 5 is further reduced, and the service life of the pull rod 5 is improved.

[0042] The spring A9 is a compression spring, and the spring C11 is a stretching spring, the compression of the spring A9 can ensure that the convex edge B803 of the anti-abrasion disc 8 is tightly attached to the convex edge A605 of the arc-shaped groove 601, and the anti-abrasion ring 802 is always in the state of being pushed out in the annular through groove 604.

[0043] The working principle of the utility model is as follows:

[0044] The utility model discloses a movable jaw assembly 1 does similar anticlockwise elliptic motion under the drive of motor, and the rib plate 2 swings up and down with the rib plate seat 3 as fulcrum, and the movable jaw assembly 1 drives the pull rod 5 to swing left and right and can swing up and down when moving, and the joint spring seat B 7 also swings up and down with the joint spring seat A 6 as fulcrum under the drive of the pull rod 5, and the joint spring seat B 7 moves synchronously with the spring C 11, and the spring C 11 is uniformly stressed, only needs to bear telescopic force, effectively prolongs the service life, and the arc surface B 701 on the joint spring seat B 7 extrudes the anti-abrasion ring 802 on the anti-abrasion disc 8 when swinging up and down, and the anti-abrasion ring 802 keeps extruding and rubbing with the arc surface B 701 under the pressure of the spring A 9, greatly increases the contact distance of the arc surface B 701 and the arc surface A 602, reduces the damage of the arc surface A 602, and the anti-abrasion ring 802 of the arc structure and adopting the polytetrafluoroethylene material extrudes and contacts the arc surface B 701, also can reduce the friction damage of the arc surface B 701, greatly improves the service life of the joint spring seat A 6 and the joint spring seat B 7, and simultaneously, the pull rod 5 also swings up and down around the joint spring seat A 6 when swinging left and right, greatly reduces the bending force of the pull rod 5, reduces the damage probability, and improves the service life of the pull rod 5.

[0045] Embodiment two:

[0046] As Figure 1 And Figure 7 The utility model discloses a movable jaw assembly 1 does similar anticlockwise elliptic motion under the drive of motor, and the rib plate 2 swings up and down with the rib plate seat 3 as fulcrum, and the movable jaw assembly 1 drives the pull rod 5 to swing left and right and can swing up and down when moving, and the joint spring seat B 7 also swings up and down with the joint spring seat A 6 as fulcrum under the drive of the pull rod 5, and the joint spring seat B 7 moves synchronously with the spring C 11, and the spring C 11 is uniformly stressed, only needs to bear telescopic force, effectively prolongs the service life, and the arc surface B 701 on the joint spring seat B 7 extrudes the anti-abrasion ring 802 on the anti-abrasion disc 8 when swinging up and down, and the anti-abrasion ring 802 keeps extruding and rubbing with the arc surface B 701 under the pressure of the spring A 9, greatly increases the contact distance of the arc surface B 701 and the arc surface A 602, reduces the damage of the arc surface A 602, and the anti-abrasion ring 802 of the arc structure and adopting the polytetrafluoroethylene material extrudes and contacts the arc surface B 701, also can reduce the friction damage of the arc surface B 701, greatly improves the service life of the joint spring seat A 6 and the joint spring seat B 7, and simultaneously, the pull rod 5 also swings up and down around the joint spring seat A 6 when swinging left and right, greatly reduces the bending force of the pull rod 5, reduces the damage probability, and improves the service life of the pull rod 5, and simultaneously, the pull rod 5 also swings up and down around the joint spring seat A 6 when swinging left and right, greatly reduces the bending force of the pull rod 5, reduces the damage probability, and improves the service life of the pull rod 5.

[0047] The utility model discloses a movable jaw assembly 1 does similar anticlockwise elliptic motion under the drive of motor, and the rib plate 2 swings up and down with the rib plate seat 3 as fulcrum, and the movable jaw assembly 1 drives the pull rod 5 to swing left and right and can swing up and down when moving, and the joint spring seat B 7 also swings up and down with the joint spring seat A 6 as fulcrum under the drive of the pull rod 5, and the joint spring seat B 7 moves synchronously with the spring C 11, and the spring C 11 is uniformly stressed, only needs to bear telescopic force, effectively prolongs the service life, and the arc surface B 701 on the joint spring seat B 7 extrudes the anti-abrasion ring 802 on the anti-abrasion disc 8 when swinging up and down, and the anti-abrasion ring 802 keeps extruding and rubbing with the arc surface B 701 under the pressure of the spring A 9, greatly increases the contact distance of the arc surface B 701 and the arc surface A 602, reduces the damage of the arc surface A 602, and the anti-abrasion ring 802 of the arc structure and adopting the polytetrafluoroethylene material extrudes and contacts the arc surface B 701, also can reduce the friction damage of the arc surface B 701, greatly improves the service life of the joint spring seat A 6 and the joint spring seat B 7, and simultaneously, the pull rod 5 also swings up and down around the joint spring seat A 6 when swinging left and right, greatly reduces the bending force of the pull rod 5, reduces the damage probability, and improves the service life of the pull rod 5, and simultaneously, the pull rod 5 also swings up and down around the joint spring seat A 6 when swinging left and right, greatly reduces the bending force of the pull rod 5, reduces the damage probability, and improves the service life of the pull rod 5.

[0048] The utility model discloses a movable jaw assembly 1 does similar counterclockwise elliptic motion under the drive of motor, and the rib plate 2 swings up and down with the rib plate seat 3 as the fulcrum, and the movable jaw assembly 1 drives the pull rod 5 to swing left and right and can swing up and down when moving, when the pull rod 5 swings up and down, also drive the spring C11 connected with it to swing up and down around the joint spring seat A6, and the support part 10 whole also swings up and down with the spring C11, when the pull rod 5 moves to the right, under the action of nut fastener 13, the spring seat 12 also moves to the right, and then drive the spring C11 to right stretch, and the support cylinder 1004 of support part 10 also moves to the right under the drive of spring seat 12, and drive the spring B1003 in support cylinder 1004 to right stretch, when the pull rod 5 moves to the left, under the action of nut fastener 13, the spring seat 12 also moves to the left, and then drive the spring C11 to left compression, and the support cylinder 1004 of support part 10 also moves to the left under the drive of spring seat 12, and drive the spring B1003 in support cylinder 1004 to left compression, and the spring B1003 selects compression spring, can give the support cylinder 1004 and support rod 1001 certain pressure, to guarantee the stability of support part 10 operation in time.

[0049] Overall, the utility model discloses simple structure, reasonable in design has reduced the damage efficiency of pull rod and spring C, has effectively prolonged the service life of joint type spring seat.

[0050] Finally, it should be noted that: the above only for preferred embodiment of the utility model has described, and does not limit the utility model, although the utility model has been described in detail with reference to the foregoing embodiment, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part technical feature. Any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model, should be contained in the protection scope of the utility model.

Claims

1. An articulated spring seat for a jaw crusher, comprising a movable jaw assembly (1), wherein the bottom end of the movable jaw assembly (1) is connected to a toggle plate (2), the other end of the toggle plate (2) is connected to a toggle plate seat (3), and the right end of the toggle plate seat (3) is connected to a rear wall assembly (4), characterized in that: The bottom end of the movable jaw assembly (1) is also rotatably connected to a pull rod (5), and a joint spring seat A (6) is welded to the right side of the bottom end of the rear wall assembly (4), and an annular anti-wear disk (8) is provided inside the joint spring seat A (6). A joint spring seat B (7) is provided on the right side of the joint spring seat A (6), and a spring C (11) is fixedly connected to the middle of the right side of the joint spring seat B (7), and the other end of the spring C (11) is fixedly connected to a spring seat (12), and support parts (10) are provided at both upper and lower ends of the spring C (11), and the left side of the support part (10) is connected to the right side of the joint spring seat B (7). The right side of the support portion (10) is fixedly connected to the left side of the spring seat (12). The right end of the pull rod (5) passes through the rear wall assembly (4), the joint spring seat A (6), the joint spring seat B (7) and the spring C (11) respectively, and passes out from the right side of the spring seat (12). A nut fastener (13) is provided at the connection between the rightmost side of the pull rod (5) and the spring seat (12). The pull rod (5) can move left and right in the rear wall assembly (4), the joint spring seat A (6), the joint spring seat B (7) and the spring C (11). The joint spring seat A (6) is rotatably connected to the joint spring seat B (7).

2. The articulated spring seat of a jaw crusher according to claim 1, characterized in that: The right center of the joint spring seat A (6) is provided with an arc surface A (602), the center of the arc surface A (602) is provided with a through hole A (14), the bottom end of the joint spring seat A (6) is provided with a notch (16), the inside of the arc surface A (602) is further provided with an annular arc groove (601), the top of the arc groove (601) is provided with an annular through groove (604), and convex edges A (605) are provided on both sides of the annular through groove (604), and the bottom of the arc groove (601) is provided with a plurality of evenly arranged fixing grooves A (603).

3. The articulated spring seat of a jaw crusher according to claim 2, characterized in that: The anti-wear disc (8) is embedded in the arc groove (601), and the anti-wear disc (8) is made of polytetrafluoroethylene material. An anti-wear ring (802) is provided on the top of the anti-wear disc (8), and convex edges B (803) are provided on both sides of the anti-wear ring (802). The bottom end of the anti-wear disc (8) is provided with a plurality of evenly arranged fixing grooves B (801), and the bottom end of the anti-wear disc (8) is provided with a notch (16) corresponding to the joint spring seat A (6).

4. The articulated spring seat of a jaw crusher according to claim 3, characterized in that: The fixing groove A (603) and the fixing groove B (801) are both cylindrical structures with the same radius. The number of the fixing grooves A (603) and the fixing grooves B (801) corresponds one to one. A spring A (9) is fixedly arranged between the fixing grooves A (603) and the fixing grooves B (801).

5. The articulated spring seat of a jaw crusher according to claim 4, characterized in that: The top of the anti-wear ring (802) is an arc-shaped structure that protrudes toward the joint spring seat B (7).

6. The articulated spring seat of a jaw crusher according to claim 5, characterized in that: An arcuate surface B (701) is provided at the center of the left side of the joint spring seat B (7), and a through hole B (15) is opened at the center of the arcuate surface B (701).

7. The articulated spring seat of a jaw crusher according to claim 6, characterized in that: The radius of the arc surface A (602) is consistent with that of the arc surface B (701), and the radius of the through hole B (15) is smaller than the radius of the through hole A (14).

8. The articulated spring seat of a jaw crusher according to claim 7, characterized in that: The right end of the pull rod (5) can pass through the through hole A (14) and the through hole B (15), and can move left and right in the through hole A (14) and the through hole B (15). The radius of the pull rod (5) is slightly smaller than the radius of the through hole B (15).

9. The articulated spring seat of a jaw crusher according to claim 4, characterized in that: The support portion (10) comprises a support rod (1001) and a support cylinder (1004); a slider (1002) is provided in the support cylinder (1004); the slider (1002) can slide back and forth in the support cylinder (1004); the right end of the support rod (1001) is fixedly connected to the slider (1002); and the right end of the slider (1002) is fixedly connected to the inner side of the right end of the support cylinder (1004) with a spring B (1003).

10. The articulated spring seat of a jaw crusher according to claim 9, characterized in that: The spring A (9) and the spring B (1003) are both compression springs, and the spring C (11) is a tension spring.

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