CN219809212U - Pushing cylinder for cone crusher - Google Patents

Abstract

The utility model relates to the technical field of pushing cylinders, and discloses a pushing cylinder for a cone crusher, which comprises a cylinder body, wherein a piston is sleeved in the cylinder body, buffer components are arranged at the top and the bottom of the piston, a hydraulic rod is sleeved at the top of the cylinder body, the bottom end of the hydraulic rod is fixedly connected to the top of the piston, and the buffer components comprise main supporting rods which are fixedly connected to the top and the bottom of the piston at equal intervals.

Description

Pushing cylinder for cone crusher

Technical Field

The utility model relates to the technical field of pushing cylinders, in particular to a pushing cylinder for a cone crusher.

Background

The cone crusher is a crushing machine suitable for raw materials in metallurgical, building, road construction, chemical and silicate industries, and is widely applied to various departments such as mine, smelting, building materials, highways, railways, water conservancy and chemical industries, etc., and a pushing cylinder is arranged on the cone crusher for adjusting the size of a mineral discharge opening of the crusher.

The retrieved grant publication number CN203124024U discloses an improvement of the push cylinder structure for a cone crusher in relation to a push cylinder for a cone crusher. The utility model provides a cone crusher pushing cylinder which is simple in structure and reliable in operation. The hydraulic cylinder comprises a cylinder body, wherein a hydraulic rod and a piston are arranged in the cylinder body, the end part of the hydraulic rod is connected with a pushing head, and the hydraulic rod is connected with the piston through threads, and a first rotation stopping screw is arranged at the thread; the gland is arranged at the opening of the cylinder body through threads, but a buffer structure is not arranged on the piston, the piston is easy to strike the inner bottom and the top of the cylinder body after moving, and the piston is easy to deform and damage after long-time use.

Disclosure of Invention

In order to overcome the above-mentioned drawbacks of the prior art, the present utility model provides a pushing cylinder for a cone crusher, which solves the above-mentioned problems in the prior art.

The utility model provides the following technical scheme: the utility model provides a cone crusher is with promoting jar, includes cylinder body, its characterized in that: the inside cover of cylinder body is equipped with the piston, piston top and bottom all are provided with buffer unit, cylinder body top cover is equipped with the hydraulic stem, hydraulic stem bottom fixed connection is in the piston top, buffer unit includes equidistant fixed connection in the main tributary vaulting pole of piston top and bottom.

The one end cover that the piston was kept away from to the main tributary vaulting pole is equipped with the auxiliary stay pole, the one end that the main tributary vaulting pole was kept away from to the auxiliary stay pole is provided with the cushion ring, the one end fixedly connected with stopper that the cushion ring was kept away from to the auxiliary stay pole, the stopper is located the main tributary vaulting pole inside, fixedly connected with compression spring between stopper and the main tributary vaulting pole.

The buffer ring is close to the one end equidistance of vice bracing piece and has seted up the reservation groove, vice bracing piece one end is located the reservation inslot portion, vice bracing piece outside cover is equipped with the sealing washer, the sealing washer is located main tributary vaulting pole interior top.

Further, the hydraulic rod outside cover is equipped with seal assembly, seal assembly includes the axle sleeve, the axle sleeve is located inside the cylinder body, cylinder body top fixedly connected with apron, the hydraulic rod outside is located to the apron cover, and the axle sleeve is shutoff and spacing between cylinder body and hydraulic rod, prevents that the hydraulic rod from being ejecting, and the apron is used for carrying out the closing cap to the cylinder body top.

Further, the inside both ends fixedly connected with metal seal ring of axle sleeve, seal assembly is located the inboard of metal seal ring and inlays and be equipped with rubber seal ring, the one end fixedly connected with graphite alkene sealing ring that seal assembly inboard is located the metal seal ring bottom, graphite alkene sealing ring, metal seal ring and rubber seal ring seal and spacing between axle sleeve and hydraulic rod.

Further, apron bottom fixedly connected with top cover, apron and top cover inboard all glue the seal cover, the inside equidistance of apron is run through and is offered the bolt hole, and the convenience personnel of seting up of bolt hole uses the bolt to fix the apron on the cylinder body, and the apron is fixed on the cylinder body after through top cover with the axle sleeve withstand, and the seal cover seals between apron and hydraulic stem.

Further, the outside cover that the hydraulic stem is located the apron top is equipped with dustproof subassembly, two equal fixedly connected with feed liquor filter components of advance oil end in the cylinder body outside, feed liquor filter components includes the connecting pipe, the inside fixedly connected with filter screen of connecting pipe, hydraulic oil flows to the cylinder body in through the connecting pipe, and the filter screen can filter the hydraulic oil of flowing in the connecting pipe.

Further, dustproof subassembly includes the ring flange, the ring flange top is provided with the top ring, fixedly connected with telescopic cover between top ring and the ring flange, top ring outside equidistance rotation is connected with fixing bolt, can fix telescopic cover bottom on the apron through the ring flange, screws up fixing bolt and can be fixed on the hydraulic stem by the top ring, and the hydraulic stem reciprocates and drives telescopic cover and stretch out and draw back, carries out dustproof protection to its surface.

Further, the connecting pipe bottom fixedly connected with stores up miscellaneous pipe, store up miscellaneous pipe bottom rotation and be connected with the end cover, the bottom fixedly connected with internal thread butt joint cover that the connecting pipe is close to storing up miscellaneous pipe, stores up miscellaneous pipe and is used for keeping in impurity under the filter screen filtration, opens the end cover and can clear up the impurity in the miscellaneous pipe of storing up, uses the pipeline to pass through the internal thread butt joint cover can be connected with connecting pipe and outside oil supply equipment.

The utility model has the technical effects and advantages that:

1. according to the utility model, the main support rod, the auxiliary support rod and the buffer ring are arranged, before the piston moves up to contact the top in the cylinder body or moves down to contact the inner bottom in the cylinder body, the buffer ring firstly contacts the top in the cylinder body or the inner bottom, and the auxiliary support rod is pushed to be inserted into the main support rod along with the movement of the piston, so that the compression spring is compressed, the impact force generated when the piston moves is relieved, after the compression spring is completely compressed, the auxiliary support rod is completely inserted into the main support rod, and the end part of the main support rod higher than the piston is inserted into the reserved groove, so that the piston contacts the buffer ring, and the impact force generated when the piston contacts the top in the cylinder body or the inner bottom can be effectively relieved, and the piston is not easy to deform or damage.

2. According to the utility model, the connecting pipe, the filter screen and the telescopic sleeve are arranged, when hydraulic oil enters the connecting pipe and flows into the cylinder body, the filter screen filters the hydraulic oil, filtered impurities and the like can fall into the impurity storage pipe for temporary storage, personnel rotate and unscrew the end cover to clean the impurities and the like in the impurity storage pipe, the flange plate is fixed on the cover plate, the top ring is fixed on the hydraulic rod through a plurality of fixing bolts, and the telescopic sleeve is pulled to stretch when the hydraulic rod moves up and down, so that the surface of the stretched hydraulic rod can be protected from dust, and dust and the like are prevented from being contacted with the hydraulic rod.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the present utility model.

Fig. 2 is a schematic diagram of the internal structure of the cylinder body of the present utility model.

FIG. 3 is a schematic view of a buffer assembly according to the present utility model.

FIG. 4 is a schematic view of the internal structure of the main support rod of the present utility model.

FIG. 5 is a schematic view of a seal assembly according to the present utility model.

Fig. 6 is a schematic diagram of a cover plate structure according to the present utility model.

FIG. 7 is a schematic view of a liquid inlet filter assembly according to the present utility model.

Fig. 8 is a schematic view of a dustproof assembly structure of the present utility model.

The reference numerals are: 1. a cylinder; 2. a liquid inlet filter assembly; 3. a dust-proof assembly; 4. a cover plate; 5. a piston; 6. a buffer assembly; 7. a hydraulic rod; 8. a seal assembly; 9. a main support rod; 10. an auxiliary supporting rod; 11. a reserved groove; 12. a compression spring; 13. a seal ring; 14. a shaft sleeve; 15. a graphene sealing ring; 16. a metal seal ring; 17. a rubber seal ring; 18. a top cover; 19. sealing sleeve; 20. bolt holes; 21. a flange plate; 22. a top ring; 23. a telescopic sleeve; 24. a fixing bolt; 25. a connecting pipe; 26. a filter screen; 27. a impurity storage tube; 28. an end cap; 29. an internal thread butt joint sleeve; 30. a limiting block; 31. a buffer ring.

Detailed Description

The embodiments of the present utility model will be described more fully hereinafter with reference to the accompanying drawings, in which the embodiments of the present utility model are shown by way of illustration only, and the utility model is not limited to the embodiments of the present utility model, but other embodiments of the present utility model will be apparent to those skilled in the art without making any inventive effort.

Referring to fig. 1 to 8, the present utility model provides a pushing cylinder for a cone crusher, comprising a cylinder body 1, characterized in that: the inside cover of cylinder body 1 is equipped with piston 5, and piston 5 top and bottom all are provided with buffer assembly 6, and cylinder body 1 top cover is equipped with hydraulic stem 7, and hydraulic stem 7 bottom fixed connection is in piston 5 top, and buffer assembly 6 includes equidistant fixed connection in the main tributary vaulting pole 9 of piston 5 top and bottom.

The one end cover that main tributary vaulting pole 9 kept away from piston 5 is equipped with auxiliary stay pole 10, and auxiliary stay pole 10 is kept away from the one end of main tributary vaulting pole 9 and is provided with buffer ring 31, and auxiliary stay pole 10 is kept away from buffer ring 31's one end fixedly connected with stopper 30, and stopper 30 is located main tributary vaulting pole 9 inside, fixedly connected with compression spring 12 between stopper 30 and the main tributary vaulting pole 9.

The buffer ring 31 is close to the one end equidistance of vice bracing piece 10 and has seted up the reservation groove 11, and vice bracing piece 10 one end is located the reservation inslot 11, and the cover is equipped with sealing washer 13 in the outside of vice bracing piece 10, and sealing washer 13 is located main tributary vaulting pole 9 interior top.

Wherein, hydraulic stem 7 outside cover is equipped with seal assembly 8, and seal assembly 8 includes axle sleeve 14, and axle sleeve 14 is located cylinder body 1 inside, and axle sleeve 14 blocks off and spacing between cylinder body 1 and hydraulic stem 7, prevents that hydraulic stem 7 from being ejecting, cylinder body 1 top fixedly connected with apron 4, and the apron 4 cover is located the hydraulic stem 7 outside, and apron 4 is used for carrying out the closing cap to cylinder body 1 top.

The two ends inside the shaft sleeve 14 are fixedly connected with metal sealing rings 16, rubber sealing rings 17 are embedded in the inner side, located between the metal sealing rings 16, of the sealing assembly 8, a graphene sealing ring 15 is fixedly connected with one end, located at the bottom of the metal sealing rings 16, of the inner side of the sealing assembly 8, and the graphene sealing ring 15, the metal sealing rings 16 and the rubber sealing rings 17 are used for sealing and limiting between the shaft sleeve 14 and the hydraulic rod 7.

Wherein, apron 4 bottom fixedly connected with top cover 18, apron 4 are fixed on cylinder body 1 after withstands axle sleeve 14 through top cover 18, and apron 4 and top cover 18 inboard all glue and have seal cover 19, and seal cover 19 seals between apron 4 and hydraulic stem 7, and the inside equidistance of apron 4 has run through and has been seted up bolt hole 20, and the seting up of bolt hole 20 makes things convenient for personnel to use the bolt to fix apron 4 on cylinder body 1.

Wherein, two advance oil ends in the cylinder body 1 outside all fixedly connected with feed liquor filter assembly 2, feed liquor filter assembly 2 includes connecting pipe 25, and hydraulic oil flows to in the cylinder body 1 through connecting pipe 25, and connecting pipe 25 inside fixedly connected with filter screen 26, and filter screen 26 can filter the hydraulic oil that flows in connecting pipe 25.

The dustproof assembly 3 comprises a flange plate 21, the bottom of a telescopic sleeve 23 can be fixed on the cover plate 4 through the flange plate 21, a top ring 22 is arranged at the top of the flange plate 21, the telescopic sleeve 23 is fixedly connected between the top ring 22 and the flange plate 21, the hydraulic rod 7 moves up and down to drive the telescopic sleeve 23 to stretch out and draw back, the surface of the hydraulic rod is dustproof and protected, fixing bolts 24 are rotationally connected to the outer side of the top ring 22 at equal intervals, and the fixing bolts 24 can be fixed on the hydraulic rod 7 by tightening the top ring 22.

Wherein, connecting pipe 25 bottom fixedly connected with stores up miscellaneous pipe 27, stores up miscellaneous pipe 27 and is used for keeping in the impurity of filter screen 26 filtration down, stores up miscellaneous pipe 27 bottom rotation and is connected with end cover 28, opens end cover 28 and can clear up the impurity in the miscellaneous pipe 27 of storing up, and connecting pipe 25 is close to the bottom fixedly connected with internal thread butt joint cover 29 that stores up miscellaneous pipe 27, uses the pipeline to pass through internal thread butt joint cover 29 can be connected connecting pipe 25 with outside oil supply equipment.

The working principle of the utility model is as follows: the hydraulic oil enters the connecting pipe 25 to flow into the cylinder body 1, the filter screen 26 filters the hydraulic oil, the filtered impurities and the like can fall into the impurity storage pipe 27 for temporary storage, the personnel rotates and unscrews the end cover 28 to clean the impurities and the like in the impurity storage pipe 27, the filtered hydraulic oil enters the cylinder body 1 to push the piston 5 to move upwards or downwards, the piston 5 pushes the hydraulic rod 7 to stretch when moving, the piston 5 moves upwards to contact the top in the cylinder body 1 or moves downwards to contact the bottom in the cylinder body 1, the buffer ring 31 firstly contacts the top in the cylinder body 1 or the inner bottom, the auxiliary supporting rod 10 is pushed to be inserted into the main supporting rod 9 along with the movement of the piston 5, the compression spring 12 is compressed, so that the impact force when the piston 5 moves is relieved, after the compression spring 12 is completely compressed, the auxiliary supporting rod 10 is completely inserted into the main supporting rod 9, the end part of the main supporting rod 9 higher than the piston 5 is inserted into the reserved groove 11, so that the piston 5 contacts the buffer ring 31, the buffer ring 31 contacts the top or the inner bottom in the cylinder body 1, the impact force when the piston 5 contacts the top or the inner bottom in the cylinder body 1 can be effectively relieved, the piston 5 is not easy to deform and damage, the sealing ring 13 seals between the main supporting rod 9 and the auxiliary supporting rod 10, hydraulic oil is prevented from entering the main supporting rod 9, the limiting block 30 limits the auxiliary supporting rod 10, the compression spring 12 can push the auxiliary supporting rod 10 to reset, the shaft sleeve 14 seals and limits between the cylinder body 1 and the hydraulic rod 7, the hydraulic rod 7 is prevented from being ejected, the graphene sealing ring 15 seals between the shaft sleeve 14 and the hydraulic rod 7 for the first time, the graphene sealing ring 15 has excellent chemical corrosion resistance, good compression and rebound resilience, small thermal stress relaxation and strong uneven compensation capability of the sealing surface, can effectively seal hydraulic oil, seal again by a plurality of rubber sealing rings 17, can prevent leakage of gas, liquid, the setting of metal sealing ring 16 is used for supporting hydraulic stem 7, make it can not rock, top cover 18 inserts cylinder body 1 top when apron 4 lid is on cylinder body 1, fix axle sleeve 14, make it can not become flexible, seal cover 19 can seal between apron 4 and hydraulic stem 7, ring flange 21 is fixed on apron 4, and top ring 22 is fixed on hydraulic stem 7 through a plurality of fixing bolt 24, the flexible cover 23 of pulling stretches out and draws back when hydraulic stem 7 reciprocates, can carry out dustproof protection to the hydraulic stem 7 surface that stretches out, prevent dust etc. to contact hydraulic stem 7.

The last points to be described are: first, in the description of the present utility model, it should be noted that, unless otherwise specified and defined, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be mechanical or electrical, or may be a direct connection between two elements, and "upper," "lower," "left," "right," etc. are merely used to indicate relative positional relationships, which may be changed when the absolute position of the object being described is changed;

secondly: in the drawings of the disclosed embodiments, only the structures related to the embodiments of the present disclosure are referred to, and other structures can refer to the common design, so that the same embodiment and different embodiments of the present disclosure can be combined with each other under the condition of no conflict;

finally: the foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the utility model are intended to be included within the scope of the utility model.

Claims (7)

1. The utility model provides a cone crusher promotes jar, includes cylinder body (1), its characterized in that: the novel hydraulic cylinder is characterized in that a piston (5) is sleeved inside the cylinder body (1), buffer components (6) are arranged at the top and the bottom of the piston (5), a hydraulic rod (7) is sleeved at the top of the cylinder body (1), the bottom end of the hydraulic rod (7) is fixedly connected to the top of the piston (5), and the buffer components (6) comprise main supporting rods (9) fixedly connected to the top and the bottom of the piston (5) at equal intervals;

an auxiliary supporting rod (10) is sleeved at one end, far away from the piston (5), of the main supporting rod (9), a buffer ring (31) is arranged at one end, far away from the main supporting rod (9), of the auxiliary supporting rod (10), a limiting block (30) is fixedly connected at one end, far away from the buffer ring (31), of the auxiliary supporting rod (10), the limiting block (30) is positioned inside the main supporting rod (9), and a compression spring (12) is fixedly connected between the limiting block (30) and the main supporting rod (9);

the buffer ring (31) is close to one end equidistance of auxiliary support pole (10) and has seted up reservation groove (11), auxiliary support pole (10) one end is located reservation groove (11) inside, auxiliary support pole (10) outside cover is equipped with sealing washer (13), sealing washer (13) are located main tributary vaulting pole (9) inner top.

2. A pushing cylinder for a cone crusher according to claim 1, characterized in that: the hydraulic rod (7) outside cover is equipped with seal assembly (8), seal assembly (8) are including axle sleeve (14), axle sleeve (14) are located cylinder body (1) inside, cylinder body (1) top fixedly connected with apron (4), the apron (4) cover is located hydraulic rod (7) outside.

3. A pushing cylinder for a cone crusher according to claim 2, characterized in that: the novel sealing device is characterized in that metal sealing rings (16) are fixedly connected to two ends of the inside of the shaft sleeve (14), rubber sealing rings (17) are embedded in the inner sides of the sealing assemblies (8) between the metal sealing rings (16), and graphene sealing rings (15) are fixedly connected to one end of the inner sides of the sealing assemblies (8) at the bottoms of the metal sealing rings (16).

4. A pushing cylinder for a cone crusher according to claim 2, characterized in that: the novel sealing device is characterized in that a top sleeve (18) is fixedly connected to the bottom of the cover plate (4), sealing sleeves (19) are glued to the inner sides of the cover plate (4) and the top sleeve (18), and bolt holes (20) are formed in the cover plate (4) in an equidistant penetrating mode.

5. A pushing cylinder for a cone crusher according to claim 1, characterized in that: the hydraulic rod (7) is located the outside cover at apron (4) top and is equipped with dustproof subassembly (3), two equal fixedly connected with feed liquor filter components (2) of advance oil end in cylinder body (1) outside, feed liquor filter components (2) include connecting pipe (25), connecting pipe (25) inside fixedly connected with filter screen (26).

6. A push cylinder for a cone crusher according to claim 5, characterized in that: the dustproof assembly (3) comprises a flange plate (21), a top ring (22) is arranged at the top of the flange plate (21), a telescopic sleeve (23) is fixedly connected between the top ring (22) and the flange plate (21), and fixing bolts (24) are rotationally connected to the outer side of the top ring (22) at equal intervals.

7. A push cylinder for a cone crusher according to claim 5, characterized in that: the bottom of the connecting pipe (25) is fixedly connected with a sundry storage pipe (27), the bottom end of the sundry storage pipe (27) is rotationally connected with an end cover (28), and the bottom end of the connecting pipe (25) close to the sundry storage pipe (27) is fixedly connected with an internal thread butt joint sleeve (29).