CN115888885B - Multi-cylinder hydraulic cone crusher locking cylinder convenient to maintain - Google Patents

Abstract

The application relates to a locking cylinder of a multi-cylinder hydraulic cone crusher, which is convenient to maintain, relates to the technical field of locking cylinders, and aims to solve the problems that the locking cylinder is arranged at the lower part of a locking ring in the existing cone crusher, so that the locking ring needs to be detached from the crusher to be replaced when the locking cylinder needs to be maintained and replaced, and the locking cylinder is high in cost, long in time consumption and low in working efficiency. The locking cylinder comprises a locking cylinder body and an alloy steel sleeve, wherein the locking cylinder body comprises a shell and a plug, the plug is connected to the inner wall of the shell in a sliding manner, the alloy steel sleeve is sleeved on the outer wall of the shell, the alloy steel sleeve penetrates through a locking ring, an abutting ring is arranged on the outer wall of the alloy steel sleeve, an abutting groove is formed in the bottom wall of the locking ring, and a locking piece is arranged on the bottom wall of the abutting ring; a connecting structure for connecting the alloy steel sleeve with the shell is arranged between the inner wall of the alloy steel sleeve and the shell. The application has the effects of being convenient for maintaining and replacing the locking cylinder, improving the working efficiency and reducing the labor capacity.

Description

Multi-cylinder hydraulic cone crusher locking cylinder convenient to maintain

Technical Field

The application relates to the technical field of locking cylinders, in particular to a locking cylinder of a multi-cylinder hydraulic cone crusher, which is convenient to maintain.

Background

The locking cylinder in the cone crusher is a core part for the cone crusher to execute crushing work, and when the crusher works, the locking cylinder enables the adjusting sleeve of the crusher to be in a normal stress position so as to protect the structural integrity of the adjusting sleeve and the locking ring threads and improve the working safety of the crusher.

The prior art designs a bottom dismounting locking cylinder, referring to fig. 1, comprising a supporting ring 2, an adjusting sleeve 7 sleeved outside the threads of the supporting ring 2, a locking ring 1 sleeved outside the supporting ring 2 and a plurality of locking cylinder bodies 3 connected to the bottom wall of the locking ring 1, wherein the locking cylinder bodies 3 are connected with the locking ring 1 through reset spring collars for shafts. When the crusher works, the locking cylinder body 3 is internally stamped, so that the locking ring 1 of the crusher is jacked up, and the inclined plane of the thread of the adjusting sleeve 7 can be contacted with the inclined plane of the thread of the supporting ring 2, so that the crushing force generated by crushing minerals and stones can be borne.

For the related art, the inventor finds that in the prior art, the installation mode of the locking cylinder is that the lower part of the locking ring is installed, when a certain locking cylinder is damaged due to improper use, the whole locking ring needs to be dismantled and lifted by using a lifting appliance, and the failed locking cylinder can be replaced, so that the operation flow is complex, and the consumed operation cost is high, so that the improvement is needed.

Disclosure of Invention

In order to facilitate maintenance and replacement of a locking cylinder in a cone crusher, the application provides a multi-cylinder hydraulic cone crusher locking cylinder convenient to maintain.

The locking cylinder of the multi-cylinder hydraulic cone crusher, which is convenient to maintain, provided by the application, adopts the following technical scheme:

The utility model provides a multi-cylinder hydraulic cone crusher locking cylinder convenient to maintain, includes locking cylinder body and alloy steel bushing, locking cylinder body includes shell and cock stem, cock stem sliding connection is in the shell inner wall, alloy steel bushing is located the shell outer wall, alloy steel bushing passes the locking ring, alloy steel bushing outer wall is provided with the butt ring, the locking ring diapire has been seted up and has been supplied the butt groove that the locking ring diapire inserted, the butt ring diapire is provided with the retaining member, the retaining member is used for fixing alloy steel bushing and locking ring; and a connecting structure for connecting the alloy steel sleeve with the shell is arranged between the inner wall of the alloy steel sleeve and the shell.

Through adopting above-mentioned technical scheme, open a groove on the locking ring of breaker supplies alloy steel bushing to install to be connected alloy steel bushing and locking jar through connection structure, make the locking jar break down the back, need not to adopt the locking jar change mode among the prior art, saved operating personnel and need demolish the locking ring, just can change the amount of labour and the operation cost of locking jar, only need with the shell of locking jar pair demolish in corresponding alloy steel bushing can, and alloy steel bushing links to each other with the locking ring all the time, need not to dismantle, because the existence of retaining member, improved the stability that locking ring and alloy steel bushing are connected, reduced the probability that alloy steel bushing drops from the locking ring, higher security and practicality have, can effectively improve the maintenance and the change efficiency of locking jar, convenient degree is high.

Preferably, the connecting structure comprises a first fine thread and a second fine thread, the first fine thread is arranged on the inner wall of the alloy steel sleeve, the second fine thread is arranged on the outer wall of the shell, and the alloy steel sleeve is connected with the shell through the first fine thread and the second fine thread.

Through adopting above-mentioned technical scheme, through first fine thread and second fine thread for the shell can be through inside the direct rotatory alloy steel bushing of mode of threaded connection, thereby can realize the quick installation to the locking jar, and first fine thread and second fine thread mutually support, have fine self-locking ability, can effectively reduce the breaker working process, the probability that the locking jar drops in the alloy steel bushing has higher stability and security.

Preferably, the alloy steel sleeve is stretched out to the one end that the shell deviates from the butt ring, the outer wall that the shell stretches out the alloy steel sleeve is provided with spacing step along circumference direction, spacing step diapire offsets with the alloy steel sleeve one end wall that deviates from the butt ring.

Through adopting above-mentioned technical scheme, set up spacing step, can make the shell insert the distance of establishing into alloy steel bushing and restrict for the installation route of locking jar is more accurate, offset after spacing step and alloy steel bushing end wall, just indicate that the locking jar is installed in place, thereby can effectively improve the packaging efficiency of locking jar, have higher convenience and security.

Preferably, the surface of the locking ring is provided with a plurality of limiting blocks, the side wall of each limiting block facing the limiting step is provided with a plug-in block, and the side wall of each limiting step is provided with a plurality of limiting grooves for the plug-in blocks to plug in; the surface of the limiting block is provided with a fastening piece, and the fastening piece connects the limiting block with the locking ring.

Through adopting above-mentioned technical scheme, set up the stopper and can further prescribe a limit to the locking jar, spacing step makes the locking jar unable orientation support ring's direction remove, and stopper and grafting piece just can restrict the locking jar orientation and deviate from support ring's direction removal for the locking jar shell can be prescribe a limit by two directions, improves the stability and the security of locking jar shell installation.

Preferably, the connecting structure comprises a bump, a reset torsion spring, a sliding sheet, an elastic piece, a driven column, a locking piece and a reset spring, wherein a turnover groove for embedding and rotating the bump is formed in the end wall of one end of the alloy steel sleeve, which is away from the abutting ring, and the reset torsion spring is connected with the bump and drives the bump to turn over and reset; the sliding groove is formed in the bottom wall of the overturning groove, the sliding sheet is embedded and slides, the elastic piece is arranged on the bottom wall of the sliding groove, the elastic piece is propped against one end of the sliding sheet, which is away from the protruding block, and the protruding block overturns to drive the sliding sheet to move towards the direction close to the protruding block and to relax the elastic piece; the alloy steel sleeve is characterized in that a hidden groove for embedding and sliding the locking piece is formed in the inner wall of the alloy steel sleeve, a driven groove is formed in the wall of the hidden groove, the driven groove is communicated with one end of the sliding groove, which deviates from the overturning groove, the driven column is slidably connected in the driven groove, one end of the driven column, which deviates from the hidden groove, extends into the sliding groove, one end of the sliding piece, which faces the driven column, is provided with an arc-shaped block, the diameter of the arc-shaped block is gradually increased from one end, which is close to the elastic piece, towards one end, which deviates from the elastic piece, and the arc-shaped block is inserted into one end of the sliding groove to abut against the driven column; the reset spring is arranged on the bottom wall of the hidden groove, the other end of the reset spring is propped against the locking piece, and the side wall of the shell is provided with a locking groove for the locking piece to prop in.

By adopting the technical scheme, the protruding blocks are rotated, so that the outer walls with different diameters of the protruding blocks can be propped against the sliding sheets, when the diameters of contact points of the protruding blocks and the sliding sheets gradually decrease along with the rotation of the protruding blocks, the elastic pieces are relaxed, so that the sliding sheets are pushed to move towards the direction deviating from the elastic pieces, the arc-shaped blocks on the surfaces of the sliding sheets can change the diameters of the contact points of the driven columns, the driven columns can slide along the length direction of the driven grooves, the locking pieces are temporarily propped into the hiding grooves to be hidden, and therefore the locking cylinder shell can be inserted into the alloy steel sleeve; when the installation is completed, the reset torsion spring can drive the lug to reset, one end with larger lug diameter pushes the sliding sheet towards the direction of the elastic piece again, so that the driven column and the locking piece are pushed by the arc-shaped block, the driven column and the locking piece are embedded into the locking groove of the shell, the locking of the shell and the alloy steel sleeve is completed, the structure is simple, the implementation is easy, the quick installation, maintenance and replacement of the locking cylinder can be realized, and the locking cylinder has higher convenience and practicability.

Preferably, the lug lateral wall is provided with the upset piece, the groove of stepping down that supplies the upset piece to inlay is seted up on the locking ring surface, it is provided with the dog to step down the groove diapire, the dog offsets with the upset piece, the sliding tray has been seted up to the inslot wall of stepping down, sliding connection has the piece that covers in the sliding tray, the sliding tray diapire is provided with the piece that resets, the piece that resets links to each other with the piece that covers, the piece that resets orders about to cover the piece and covers the groove of stepping down.

By adopting the technical scheme, the overturning piece is arranged to facilitate the rotation of the lug, so that the installation flow of the involution Jin Gangtao and the locking cylinder can be further simplified, and the assembly xiao Li is improved; the setting hides the piece and can cover the groove of stepping down and upset groove to protect the lug in breaker working process, also can prevent that the upset piece from automatic roll-out, have higher practicality and security.

Preferably, the locking piece is arc, two rotation grooves have been seted up towards the lateral wall of locking groove diapire to the locking piece, two the rotation groove is offered about driven post symmetry, the rotation inslot rotation is connected with the buckle, the draw-in groove that supplies the buckle to support into and joint is offered to locking groove bottom wall, the drive chamber has been offered in the locking piece, the drive intracavity is provided with the driving piece that is used for driving the buckle and rotates and make the buckle support into the draw-in groove.

Through adopting above-mentioned technical scheme, when the driving piece starts for in the buckle supports into the draw-in groove, just can form the clamping effect with the different orientation of locking piece, the locking piece can provide the locking effect of closing Jin Gangtao degree of depth directions certainly for the locking jar, and the buckle is rotating after supporting into the draw-in groove, just can provide the locking effect from driven post slip direction for the locking jar, fully limited the degree of freedom of locking jar, makes the locking jar can connect in alloy steel bushing steadily, reduces the probability that the locking jar drops, has higher stability and practicality.

Preferably, the driving piece comprises two driving pieces, a positioning seat and a compression spring, and the driving pieces and the buckles are in one-to-one correspondence; the driving device is characterized in that the driven column is inserted into the driving cavity, the driving piece is connected to the peripheral wall of the driven column, one end of the driving piece, deviating from the driven column, is turned over towards the buckling direction, the turning-over part of the driving piece, which follows the movement of the driven column, abuts against the side wall of the buckling and pushes the buckling to rotate, the positioning seat is connected to the inner wall of the driving cavity, the compression spring is arranged in the positioning seat, the driven column abuts against the positioning seat and abuts against the compression spring after moving, and the peripheral wall of the driven column, which is located in the driving cavity, is provided with a limiting piece.

Through adopting above-mentioned technical scheme, after the locking piece supports into the locking groove, the driven post can continue to remove under the promotion of arcuation piece to compress compression spring compression, the elastic potential energy is accumulated to the accumulation, at the in-process that the driven post removed, the turning over portion of driving piece can with buckle lateral wall butt, thereby along with the removal of driving piece, the buckle will be rotated by the promotion of driving piece, until support into in the draw-in groove, accomplish the further fixed to locking piece and locking groove, moreover, the steam generator is simple in structure, easy to implement, the operation flow only need through upset lug just can realize, higher convenience and practicality have.

Preferably, the rotating connection part of the buckle and the inner wall of the rotating groove is provided with a rotating torsion spring, and the rotating torsion spring drives the buckles on two sides to rotate towards the direction deviating from the corresponding clamping groove.

Through the adoption of the technical scheme, the rotary torsion spring is arranged, so that the driving piece is convenient to separate from the clamping groove under the reset action of the compression spring, the clamping groove can be separated from the clamping groove rapidly, the situation that the locking piece cannot be separated from the locking groove due to the fact that the clamping groove is clamped by the clamping groove can be effectively improved, and therefore the convenience in disassembling the locking cylinder can be effectively improved.

Preferably, the outer wall of the shell is provided with a positioning strip, the length direction of the positioning strip is consistent with the length direction of the shell, and the inner wall of the alloy steel sleeve is provided with a positioning groove for inserting the positioning strip.

Through adopting above-mentioned technical scheme, set up the location strip and can to the connection of Jin Gangtao and locking jar carry out quick location for the locking piece can aim at the locking groove more accurately, improves packaging efficiency, has higher convenience and practicality.

In summary, the present application includes at least one of the following beneficial technical effects:

1. The alloy steel sleeve and the supporting ring are connected in a normalized mode, so that the alloy steel sleeve is not required to be repeatedly disassembled, structural safety of the supporting ring can be effectively protected, and on the other hand, the locking cylinder is arranged in the alloy steel sleeve through the connecting structure, the defect that the supporting ring is required to be disassembled when the locking cylinder is required to be replaced by a traditional crusher can be overcome, working time is saved, labor intensity is reduced, and rapid disassembly and installation of the locking cylinder are realized, so that the locking cylinder is high in convenience and practicality;

2. The connecting structure adopts a threaded connection mode and is provided with the limiting step and the limiting block, so that on one hand, the alloy steel sleeve and the locking cylinder are conveniently and quickly connected, the replacement efficiency can be effectively improved, and on the other hand, the self-locking capacity is realized, and the connection stability of the alloy steel sleeve and the locking cylinder can be effectively improved;

3. The connecting structure adopts another mode, drives the locking piece through the rotation of lug and locks the locking jar shell, compares in threaded connection's mode, and the operation is more convenient, and wearing and tearing compare threaded connection's mode is littleer, can further improve connecting structure's life, has higher practicality.

Drawings

Fig. 1 is a schematic structural view of a related art connection manner of a locking cylinder and a locking ring.

Fig. 2 is a schematic structural view of a locking cylinder of a multi-cylinder hydraulic cone crusher with convenient maintenance according to an embodiment of the application.

Fig. 3 is a schematic structural view of a connection structure of embodiment 1 of the present application.

Fig. 4 is a schematic structural view of a connection structure of embodiment 2 of the present application.

Fig. 5 is a partial enlarged view at a in fig. 4.

Fig. 6 is a partial enlarged view at B in fig. 4.

Fig. 7 is a schematic view of the connection structure of the outer shell and the alloy steel sheath according to the embodiment of the present application.

Fig. 8 is a partial enlarged view at C in fig. 7.

Reference numerals illustrate: 1. a locking ring; 11. an abutment groove; 12. a limiting block; 121. a plug block; 122. a fastener; 13. a relief groove; 131. a stop block; 14. a sliding groove; 141. a cover plate; 142. a reset member; 2. a support ring; 3. a locking cylinder body; 31. a housing; 311. a limit step; 312. a limit groove; 313. a locking groove; 314. a clamping groove; 315. a positioning strip; 32. a plug; 4. alloy steel sleeve; 41. an abutment ring; 411. a locking member; 42. a turnover groove; 43. a slip groove; 44. hiding the groove; 45. a driven groove; 46. a positioning groove; 5. a connection structure; 51. a first fine thread; 52. a second fine thread; 53. a bump; 531. a reset torsion spring; 532. a turnover piece; 54. a sliding sheet; 541. an elastic member; 542. an arc-shaped block; 55. a driven column; 551. a limiting piece; 56. a locking piece; 561. a return spring; 562. a rotating groove; 563. a buckle; 564. a drive chamber; 565. rotating the torsion spring; 6. a driving member; 61. a driving plate; 62. a positioning seat; 63. a compression spring; 7. and (5) adjusting the sleeve.

Detailed Description

The application is described in further detail below with reference to fig. 2-8.

Example 1:

The embodiment 1 of the application discloses a locking cylinder of a multi-cylinder hydraulic cone crusher, which is convenient to maintain. Referring to fig. 2 and 3, a locking cylinder of a multi-cylinder hydraulic cone crusher with convenient maintenance comprises a locking cylinder body 3 and an alloy steel sleeve 4, wherein the locking cylinder body 3 comprises a shell 31 and a plug 32 which is slidably connected to the inside of the shell 31, and the plug 32 can slide along the length direction of the shell 31 under the action of the locking cylinder body 3 and jack up a locking ring 1 when the crusher works so that the crusher can work normally.

Referring to fig. 2 and 3, the alloy steel sleeve 4 passes through the locking ring 1 and is in interference fit with the locking ring 1, so that the stability of the connection between the alloy steel sleeve 4 and the locking ring 1 can be improved; the alloy steel sleeve 4 is close to the one end outer wall integrated into one piece of supporting ring 2 and has the butt ring 41, and the butt groove 11 that supplies butt ring 41 to insert is offered to locking ring 1 diapire, and the butt ring 41 diapire is provided with a plurality of retaining members 411, and in this embodiment 1, retaining member 411 is the pin, and retaining member 411 passes butt ring 41 and with alloy steel sleeve 4 and locking ring 1 fixed connection to reduce the probability that alloy steel sleeve 4 dropped from locking ring 1, thereby effectively improve connection stability.

Referring to fig. 2 and 3, the outer shell 31 is inserted into the alloy steel sleeve 4, and a connection structure 5 is provided between the outer shell 31 and the alloy steel sleeve 4, and the connection structure 5 is used for connecting the outer shell 31 and the alloy steel sleeve 4.

Referring to fig. 2 and 3, the connection structure 5 includes a first fine thread 51 and a second fine thread 52, the first fine thread 51 is formed on the inner wall of the alloy steel sleeve 4, the second fine thread 52 is formed on the outer wall of the housing 31, and when the housing 31 is inserted into the alloy steel sleeve 4, the first fine thread 51 and the second fine thread 52 can be meshed by rotating the housing 31, so that the housing 31 and the alloy steel sleeve 4 are fixed, and the fine thread connection structure 5 has self-locking capability, so that the probability that the housing 31 falls off from the inside of the alloy steel sleeve 4 can be effectively reduced, and the stability of the locking cylinder in an operating state is improved.

Referring to fig. 2 and 3, the alloy steel sleeve 4 is stretched out to the one end that shell 31 deviates from butt ring 41, and shell 31 stretches out the outer wall of alloy steel sleeve 4 along circumference direction integrated into one piece has spacing step 311, and spacing step 311 diapire offsets with alloy steel sleeve 4 roof to can prevent effectively that shell 31 of locking jar body 3 from rotating excessively when carrying out threaded connection installation, lead to the impaired problem of locking jar body 3 and alloy steel sleeve 4, and can further improve the stability of being connected between alloy steel sleeve 4 and the shell 31 of locking jar body 3.

Referring to fig. 2 and 3, the surface of the locking ring 1 is provided with a plurality of limiting blocks 12, the surface of the limiting blocks 12 is provided with a plurality of fastening pieces 122, in this embodiment, the fastening pieces 122 are bolts, and the fastening pieces 122 penetrate through the limiting blocks 12 and are in threaded connection with the locking ring 1, so that the stability of the limiting blocks 12 can be improved; the side wall of the limiting block 12 facing the limiting step 311 is integrally formed with a plug block 121, the side wall of the limiting step 311 is provided with a limiting groove 312 corresponding to the plug block 121, the plug block 121 is propped into the limiting groove 312, and the plug block 121 and the inner wall of the limiting groove 312 are mutually matched. The stopper 12 cooperates with the limiting step 311 for the shell 31 of the locking cylinder body 3 can't move along the length direction of the alloy steel sleeve 4, thereby effectively improving the stability of the installation of the locking cylinder body 3.

The embodiment 1 of the application provides a convenient-to-maintain locking cylinder of a multi-cylinder hydraulic cone crusher, which is implemented by the following principle: when the locking cylinder body 3 at a certain position is damaged and needs to be replaced in the working process of the crusher, the crusher only needs to be stopped, the limiting block 12 on the side wall of the damaged locking cylinder body 3 is removed, the shell 31 is taken out of the alloy steel sleeve 4 in a mode of rotating the shell 31, and the locking cylinder body 3 can be quickly replaced.

Example 2:

The embodiment 2 of the application discloses a locking cylinder of a multi-cylinder hydraulic cone crusher, which is convenient to maintain. Referring to fig. 4, a locking cylinder of a multi-cylinder hydraulic cone crusher convenient to maintain comprises a locking cylinder body 3 and an alloy steel sleeve 4, wherein the locking cylinder body 3 is arranged inside the alloy steel sleeve 4, a plurality of groups of connecting structures 5 different from those in embodiment 1 are arranged between the locking cylinder body 3 and the alloy steel sleeve 4, and the connecting structures 5 are used for connecting a shell 31 of the locking cylinder body 3 with the alloy steel sleeve 4.

Referring to fig. 5 and 6, each set of connection structures 5 includes a bump 53, a return torsion spring 531, a slider 54, an elastic member 541, a driven post 55, a locking piece 56, and a return spring 561.

Referring to fig. 2 and 5, a turnover groove 42 for embedding and rotating a protruding block 53 is formed in a side wall of one end of the alloy steel sleeve 4, which is away from the supporting ring 2, and in this embodiment, distances between each point of the side wall of the protruding block 53 and a rotation center are different; the reset torsion spring 531 is connected with the bump 53, and the bump 53 is reset towards the original direction when being driven by the reset torsion spring 531.

Referring to fig. 4 and 5, when the projection 53 is not rotated, the side wall facing away from the housing 31 is integrally formed with a turnover piece 532, and the turnover piece 532 is normally flush with the surface of the locking ring 1; the surface of the locking ring 1 is provided with a yielding groove 13 for embedding the turnover piece 532, the yielding groove 13 is communicated with the turnover groove 42, the bottom wall of the yielding groove 13 is integrally formed with a stop block 131, and the stop block 131 is abutted against the bottom wall of the turnover piece 532, so that the turning force of the reset torsion spring 531 on the lug 53 can be blocked, and the lug 53 can be kept stable; through setting up the upset piece 532 can make the staff just can drive the lug 53 through stirring upset piece 532 and rotate, improved the simple operation nature.

Referring to fig. 4 and 5, the inner wall of the opening of the yielding groove 13 is provided with a sliding groove 14, a covering sheet 141 is slidably connected in the sliding groove 14, one end of the covering sheet 141, which is away from the turning groove 42, is connected with a plurality of resetting pieces 142 through gluing, one end of the resetting piece 142, which is away from the turning cavity, is connected with the bottom wall of the sliding groove 14 through gluing, in the embodiment, the resetting pieces 142 are springs, and the covering sheet 141 can be inserted into the turning groove 42 under the driving of the resetting pieces 142, so that the turning sheet 532 and a cam are covered, the turning sheet 532 and the cam can be effectively protected, the problem that the turning cavity is generated in the working process of the crusher and is damaged by the turning sheet 532 and the protruding block 53 at any time is solved, and the safety of the connecting structure 5 is protected.

Referring to fig. 5 and 6, a sliding groove 43 for the sliding sheet 54 to be embedded and slide is formed in the bottom wall of the turnover groove 42 along the vertical direction, and one end of the sliding sheet 54 extends out of the sliding groove 43 and abuts against the bottom wall of the protruding block 53; the elastic member 541 is connected to the bottom wall of the sliding groove 43, which is away from the turning groove 42, by gluing, and the other end of the elastic member 541 is connected to the bottom wall of the sliding piece 54 by gluing, when the protruding block 53 does not rotate, the elastic member 541 is in a compressed state, and when the protruding block 53 rotates towards the housing 31, the distance between the abutting part of the protruding block 53 and the sliding piece 54 and the rotation axis is gradually reduced, so that the elastic member 541 is restored, and the sliding piece 54 is pushed to move towards the turning groove 42. In this embodiment, the elastic member 541 is a rubber ball.

Referring to fig. 4 and 6, a driven groove 45 is formed in an inner wall of one end of the sliding groove 43, which is away from the turning groove 42, the length direction of the driven groove 45 is perpendicular to the length direction of the sliding groove 43, a driven column 55 is slidably connected inside the driven groove 45, and one end of the driven column 55 extends out of the driven groove 45 and is inserted into the sliding groove 43; the one surface of the sliding sheet 54 facing the driven column 55 is integrally formed with an arc block 542, the arc block 542 is abutted against the driven column 55, and the diameter of the arc block 542 gradually increases from the diameter of the end close to the elastic member 541 toward the diameter of the end away from the elastic member 541, so that when the sliding sheet 54 moves, the driven column 55 can be pushed to move in the driven groove 45 by the change of the contact point between the arc block 542 and the driven column 55.

Referring to fig. 4 and 6, a hidden groove 44 for the locking piece 56 to embed and slide is provided on the inner wall of the alloy steel sleeve 4, the hidden groove 44 is communicated with the driven groove 45, the other end of the driven column 55 stretches into the hidden groove 44 and is connected with the locking piece 56, one end of a return spring 561 is connected to the bottom wall of the hidden groove 44 by gluing, the other end of the return spring is connected to the side wall of the locking piece 56 by gluing, so that when the cam 53 rotates, the return spring 561 can pull the locking piece 56 back into the hidden groove 44 for the housing 31 to insert, the locking groove 313 is provided on the outer wall of the housing 31, in this embodiment, the locking piece 56 and the locking groove 313 are arc-shaped, and when the housing 31 is installed, the cam 53 will abut into the locking groove 313 to fix the housing 31 when the cam 53 does not rotate.

Referring to fig. 7 and 8, two rotating grooves 562 are formed on one surface of the locking piece 56 facing the locking groove 313, the two rotating grooves 562 are symmetrically formed with respect to the driven column 55, two buckles 563 are rotatably connected in each rotating groove 562, a rotating torsion spring 565 is arranged at the joint of each buckle 563 and the rotating groove 562 to drive the buckles 563 on two sides to rotate towards the direction away from each other, two clamping grooves 314 are formed on the inner wall of the locking groove 313 corresponding to the two buckles 563, and when the buckles 563 are clamped in the corresponding clamping grooves 314, the freedom degree of the driven column 55 along the direction of the driven groove 45 can be limited, so that the stability of the connection between the locking piece 56 and the shell 31 is improved; the locking piece 56 is internally provided with a driving cavity 564, the driving cavity 564 is communicated with the rotating groove 562, a driving piece 6 is arranged in the driving cavity 564, and the driving piece 6 drives the buckle 563 to rotate and prop into the corresponding clamping groove 314.

Referring to fig. 7 and 8, the driving piece 6 includes two driving pieces 61, a positioning seat 62 and a compression spring 63, wherein the driving pieces 61 and the buckles 563 are in one-to-one correspondence; one end of the driven column 55 passes through the locking piece 56 and is inserted into the driving cavity 564, and a limit piece 551 is integrally formed on the peripheral wall of the driven column 55 in the driving cavity 564 so as to prevent the driven column 55 from being separated from the driving cavity 564; the driving plates 61 are connected to the peripheral wall of the driven column 55 in the driving cavity 564 by welding, and the two driving plates 61 are symmetrically arranged about the driven column 55; one end of the driving plate 61 facing away from the driven post 55 is vertically folded toward the housing 31,

Referring to fig. 7 and 8, the positioning seat 62 is integrally formed and connected to the inner wall of the driving cavity 564 near the locking groove 313, one end of the compression spring 63 is connected in the positioning seat 62 by gluing, along with the movement of the driven post 55, one end of the driven post 55 can be inserted into the positioning seat 62 and is abutted against the compression spring 63, and in the process of moving the driven post 55, the turned-over part of the driving piece 61 is abutted against one surface of the fastener 563, which is opposite to the other surface of the fastener 563, so that the fastener 563 can be pushed to rotate and abut into the clamping groove 314, and the locking of the locked piece 56 and the locking groove 313 is completed.

Referring to fig. 7 and 8, the outer wall of the housing 31 is integrally formed with a positioning strip 315 along the length direction, and the inner wall of the alloy steel sleeve 4 is provided with a positioning groove 46 corresponding to the positioning strip 315, and when the positioning strip 315 is inserted into the positioning groove 46, the locking piece 56 can be aligned with the locking groove 313, thereby further improving the installation convenience.

The embodiment 2 of the application provides a convenient-to-maintain locking cylinder of a multi-cylinder hydraulic cone crusher, which is implemented by the following principle: when the shell 31 of the locking cylinder needs to be disassembled, the cover plate is only required to be rotated to open, the turnover piece 532 is rotated, the protruding block 53 rotates, the locking piece 56 is driven to retract into the hiding groove 44 through the sliding sheet, the driven column 55 and the reset spring 561, in the process, the driving piece 61 is gradually far away from the buckle 563, the buckle 563 is turned over under the action of the rotating torsion spring 565 to be separated from the clamping groove 314, the locking piece 56 leaves the locking groove 313, at the moment, the locking cylinder body 3 can be moved out of the alloy steel sleeve 4, and compared with the connecting structure 5 in the embodiment 1, the connecting structure 5 in the embodiment 2 is more convenient to operate and is different from threaded connection, the structure has smaller abrasion, can be used for a long time, the convenience of maintenance and replacement of the locking cylinder body 3 is improved, and the working efficiency is improved.

The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.

Claims (4)

1. A multi-cylinder hydraulic cone crusher locking cylinder convenient to maintain is characterized in that: comprises a locking cylinder body (3) and an alloy steel sleeve (4), wherein the locking cylinder body (3) comprises a shell (31) and a plug (32), the plug (32) is connected to the inner wall of the shell (31) in a sliding manner, the alloy steel sleeve (4) is sleeved on the outer wall of the shell (31), the alloy steel sleeve (4) penetrates through a locking ring (1), an abutting ring (41) is arranged on the outer wall of the alloy steel sleeve (4), an abutting groove (11) for inserting the bottom wall of the locking ring (1) is formed in the bottom wall of the locking ring (1), a locking piece (411) is arranged on the bottom wall of the abutting ring (41), the locking piece (411) is used for fixing the alloy steel sleeve (4) and the locking ring (1); a connecting structure (5) for connecting the alloy steel sleeve (4) with the shell (31) is arranged between the inner wall of the alloy steel sleeve (4) and the shell (31); the connecting structure (5) comprises a bump (53), a reset torsion spring (531), a sliding sheet (54), an elastic piece (541), a driven column (55), a locking piece (56) and a reset spring (561), wherein a turnover groove (42) for embedding and rotating the bump (53) is formed in the end wall of one end of the alloy steel sleeve (4) which is away from the abutting ring (41), and the reset torsion spring (531) is connected with the bump (53) and drives the bump (53) to turn over and reset; the bottom wall of the turnover groove (42) is provided with a sliding groove (43) for the sliding sheet (54) to be embedded and slide, the elastic piece (541) is arranged on the bottom wall of the sliding groove (43), the elastic piece (541) is propped against one end of the sliding sheet (54) deviating from the protruding block (53), and the protruding block (53) is turned over to drive the sliding sheet (54) to move towards the direction close to the protruding block (53) and to enable the elastic piece (541) to relax; the alloy steel sleeve (4) is characterized in that a hidden groove (44) for embedding and sliding a locking piece (56) is formed in the inner wall of the alloy steel sleeve (4), a driven groove (45) is formed in the bottom wall of the hidden groove (44), the driven groove (45) is communicated with one end of the sliding groove (43) deviating from the overturning groove (42), a driven column (55) is slidably connected in the driven groove (45), one end of the driven column (55) deviating from the hidden groove (44) stretches into the sliding groove (43), an arc-shaped block (542) is arranged at one end of the sliding piece (54) facing the driven column (55), the diameter of the arc-shaped block (542) gradually increases from one end close to the elastic piece (541) to one end deviating from the elastic piece (541), the arc-shaped block (542) is abutted against one end of the driven column (55) inserted into the sliding groove (43); the reset spring (561) is arranged on the bottom wall of the hidden groove (44), the other end of the reset spring (561) is propped against the locking piece (56), and the side wall of the shell (31) is provided with a locking groove (313) for the locking piece (56) to prop in; the anti-tilting mechanism is characterized in that a turnover piece (532) is arranged on the side wall of the protruding block (53), a yielding groove (13) for embedding the turnover piece (532) is formed in the surface of the locking ring (1), a stop block (131) is arranged on the bottom wall of the yielding groove (13), the stop block (131) is propped against the turnover piece (532), a sliding groove (14) is formed in the inner wall of the yielding groove (13), a covering piece (141) is connected in the sliding groove (14) in a sliding manner, a reset piece (142) is arranged on the bottom wall of the sliding groove (14), the reset piece (142) is connected with the covering piece (141), and the reset piece (142) drives the covering piece (141) to cover the yielding groove (13); the locking piece (56) is arc-shaped, two rotating grooves (562) are formed in the side wall of the locking piece (56) facing the bottom wall of the locking groove (313), the two rotating grooves (562) are symmetrically formed in relation to the driven column (55), a buckle (563) is rotationally connected to the rotating grooves (562), a clamping groove (314) for enabling the buckle (563) to abut into and be clamped with is formed in the bottom wall of the locking groove (313), a driving cavity (564) is formed in the locking piece (56), and a driving piece (6) for driving the buckle (563) to rotate and enabling the buckle (563) to abut into the clamping groove (314) is arranged in the driving cavity (564); the driving piece (6) comprises two driving pieces (61), a positioning seat (62) and a compression spring (63), wherein the driving pieces (61) and the buckles (563) are in one-to-one correspondence; the driven column (55) is inserted into the driving cavity (564), the driving piece (61) is connected with the peripheral wall of the driven column (55), one end of the driving piece (61) deviating from the driven column (55) is turned over towards the direction of the buckle (563), the turning-over part of the driving piece (61) pushes against the side wall of the buckle (563) and pushes the buckle (563) to rotate after moving along with the driven column (55), the positioning seat (62) is connected with the inner wall of the driving cavity (564), the compression spring (63) is arranged in the positioning seat (62), the driven column (55) pushes against the positioning seat (62) and pushes against the compression spring (63) after moving, a limit piece (551) is arranged on the peripheral wall of the driven column (55) positioned in the driving cavity (564); the buckle (563) is provided with rotation torsional spring (565) with the junction of rotating groove (562) inner wall rotation, rotation torsional spring (565) order about both sides buckle (563) and rotate towards the direction that deviates from corresponding draw-in groove (314), shell (31) outer wall is provided with location strip (315), the length direction of location strip (315) is unanimous with the length direction of shell (31), constant head tank (46) that supply location strip (315) to insert are seted up to alloy steel bushing (4) inner wall.

2. The maintenance-friendly multi-cylinder hydraulic cone crusher locking cylinder as claimed in claim 1, wherein: the connecting structure (5) can be a first fine thread (51) and a second fine thread (52), the first fine thread (51) is arranged on the inner wall of the alloy steel sleeve (4), the second fine thread (52) is arranged on the outer wall of the shell (31), and the alloy steel sleeve (4) is connected with the shell (31) through the first fine thread (51) and the second fine thread (52).

3. The maintenance-friendly multi-cylinder hydraulic cone crusher locking cylinder as claimed in claim 1, wherein: the alloy steel sleeve (4) stretches out from one end of the shell (31) deviating from the abutting ring (41), a limiting step (311) is arranged on the outer wall of the shell (31) stretching out of the alloy steel sleeve (4) along the circumferential direction, and the bottom wall of the limiting step (311) abuts against one end wall of the alloy steel sleeve (4) deviating from the abutting ring (41).

4. A maintenance-friendly multi-cylinder hydraulic cone crusher locking cylinder as claimed in claim 3, wherein: a plurality of limiting blocks (12) are arranged on the surface of the locking ring (1), plug-in blocks (121) are arranged on the side walls of the limiting blocks (12) facing the limiting steps (311), and a plurality of limiting grooves (312) for the plug-in blocks (121) to be plugged in are formed in the side walls of the limiting steps (311); the surface of the limiting block (12) is provided with a fastening piece (122), and the fastening piece (122) is used for connecting the limiting block (12) with the locking ring (1).