CN221322949U

CN221322949U - Anti-collision hydraulic cylinder

Info

Publication number: CN221322949U
Application number: CN202323346106.0U
Authority: CN
Inventors: 周秀明
Original assignee: Yancheng Zhensheng Hydraulic Machinery Co ltd
Current assignee: Yancheng Zhensheng Hydraulic Machinery Co ltd
Priority date: 2023-12-07
Filing date: 2023-12-07
Publication date: 2024-07-12
Anticipated expiration: 2033-12-07

Abstract

The utility model discloses an anti-collision hydraulic cylinder, and relates to the technical field of hydraulic cylinders. This anticollision formula hydraulic cylinder, when the cylinder body side received the impact, the protection shell protected the outside of cylinder body, the impact that the protection shell received was transmitted to the block, the impact that receives the movable groove inboard through the snubber block was buffered, when the piston rod received the bottom, spacing ring and blotter contact, the blotter drives the cushion pad and slides in the protection shell inboard, the bumper shock absorber is cushioned to the impact that the cushion pad received, realize the anticollision buffering to the piston rod, protection shell and cushion pad are dustproof protection to the bumper absorber, can take off the protection shell from the cylinder body outside through dismantling bolt one, the convenience is overhauld cylinder body or bumper absorber, can take out the blotter from the mounting groove inboard through removing bolt two, the blotter accessible after the change is spacing fixed with spacing post alignment and block, make things convenient for the installation of bolt two, realize the quick replacement of blotter.

Description

Anti-collision hydraulic cylinder

Technical Field

The utility model relates to the technical field of hydraulic cylinders, in particular to an anti-collision hydraulic cylinder.

Background

The hydraulic cylinder is a hydraulic executive component which converts hydraulic energy into mechanical energy and performs linear reciprocating motion or swinging motion, is widely applied to hydraulic systems of various machines, has a severe working environment, works in a state of large vibration and serious impact, and needs to use an anti-collision hydraulic cylinder.

For example, publication number CN219345137U discloses an anti-collision hydraulic cylinder, which belongs to the technical field of hydraulic cylinders, and comprises a hydraulic cylinder body, a cylinder piston rod and anti-collision shells, wherein the anti-collision shells are provided with two groups, and the outer walls of the two groups of anti-collision shells are fixedly connected with mounting plates; according to the utility model, after the two side anti-collision shells wrap the hydraulic cylinder body, the two side limiting clamping blocks are connected through the bolts, so that the anti-collision shells can wrap the outer wall of the hydraulic cylinder body for anti-collision protection, when the cylinder piston rod of the hydraulic cylinder body is used, the limiting block connected with the bearing support block can strike the upper damping plate when the cylinder piston rod is retracted to the bottom, the upper damping plate compresses the damping spring damper arranged at the top of the lower damping plate, the damping spring damper can relieve the striking force, the anti-collision hydraulic cylinder can effectively buffer the striking of the cylinder body and the cylinder piston rod, and the buffer mechanism can be conveniently disassembled and maintained, so that the anti-collision protection performance of the hydraulic cylinder is ensured;

The anti-collision shell of the anti-collision hydraulic cylinder is lack of a buffer structure, so that when side impact is received, the load on the anti-collision shell mounting structure is large, the damage to the mounting structure and the hydraulic cylinder is easy to cause, and meanwhile, the buffer structure is lack of dust prevention, so that dust and greasy dirt are easy to accumulate after long-term exposure in a working environment, and the service life of the anti-collision shell is difficult to clean and is influenced.

Disclosure of utility model

Aiming at the defects of the prior art, the utility model provides the anti-collision type hydraulic cylinder, which solves the problems that when the anti-collision shell of the anti-collision type hydraulic cylinder is in side impact, the load on the installation structure of the anti-collision shell is large, the installation structure and the hydraulic cylinder are easy to damage, and meanwhile, the shock absorption structure is in dust prevention and protection, so that dust and greasy dirt are easy to accumulate when the anti-collision type hydraulic cylinder is exposed in a working environment for a long time, and the cleaning is difficult and the service life is influenced.

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides an anticollision type hydraulic cylinder, includes the mount pad, the upper end fixed mounting of mount pad has the cylinder body, the inboard of cylinder body is provided with the piston rod, the outside of cylinder body is provided with the protecting crust, movable groove has been seted up in the outside of mount pad, the inboard of movable groove is provided with the block, the upper end fixed mounting of cylinder body has the shock absorber seat, the upper end of shock absorber seat is provided with the bumper shock absorber, the upper end of bumper shock absorber is provided with the buffer seat, the mounting groove has been seted up to the upper end of buffer seat, the inboard of mounting groove is provided with the blotter, the upper end of piston rod extends to the outside of cylinder body and is provided with the spacing ring.

Preferably, the movable groove is annular array and is provided with a plurality of, the inboard in movable groove is provided with the snubber block, the inboard slip in block and movable groove cup joints, and with snubber block looks adaptation each other, conveniently cushion the impact that the protecting crust received.

Preferably, one end of the clamping block extends to the outer side of the movable groove and is connected with the inner side of the protective shell in a clamping way through the clamping groove, and the lower ends of the clamping block and the protective shell are detachably connected through a bolt, so that the protective shell is fixedly installed.

Preferably, the outside of piston rod and shock attenuation seat, buffer seat are all through-hole sliding connection, the bumper shock absorber is annular array and is provided with a plurality of, the lower extreme and the shock attenuation seat fixed connection of bumper shock absorber, the upper end and the buffer seat fixed connection of bumper shock absorber conveniently cushion the shock attenuation to the impact that the buffer seat received.

Preferably, the outside fixed mounting of buffer seat has the rubber pad, the outside of rubber pad and the inboard sliding connection of protecting crust, make things convenient for the lift of buffer seat and to the support spacing of protecting crust upper end.

Preferably, the inboard fixed mounting of mounting groove has spacing post, the lower extreme of spacing post and cushion is connected through spacing groove block, the upper end of spacing post and cushion pass through bolt two and can dismantle the connection, make things convenient for the dismouting replacement of blotter.

Preferably, the outside of blotter and piston rod passes through-hole sliding connection, the spacing ring is located the top of blotter and the fixed surface connection of piston rod, and with the mutual adaptation of buffer pad, realize the buffering to the piston rod.

Advantageous effects

The utility model provides an anti-collision hydraulic cylinder. Compared with the prior art, the method has the following beneficial effects:

1. This anticollision formula hydraulic cylinder through setting up mount pad, cylinder body, protecting crust, movable groove, snubber block, when the cylinder body side received the impact, the protecting crust protected the outside of cylinder body, and the impact that the protecting crust received is transmitted the block for the block, and the shock that receives the movable inslot side is buffered through the snubber block, realizes the shock attenuation to the protecting crust.

2. This anticollision formula hydraulic cylinder through setting up piston rod, shock mount, bumper shock absorber, buffering seat, blotter, spacing ring, when the piston rod received the bottom, spacing ring and blotter contact, carries out the buffering shock attenuation once to the impact that the piston rod produced, and the blotter drives the buffering seat and slides in the protecting crust inboard, and the bumper shock absorber carries out the secondary buffering shock attenuation to the impact that the buffering seat received, realizes the anticollision buffering to the piston rod, and protecting crust and buffering seat carry out dustproof protection to the bumper shock absorber, effectively reduce the influence that dust and greasy dirt produced to the bumper shock absorber.

3. This anticollision formula hydraulic cylinder through setting up bolt one, protecting crust, block groove, can take off protecting crust from the cylinder body outside through dismantling bolt one, conveniently overhauls cylinder body or bumper shock absorber, resets protecting crust after the maintenance finishes, makes block groove and block each other block, makes things convenient for the installation of bolt one, realizes the fast assembly of protecting crust.

4. This anticollision formula hydraulic cylinder, through setting up rubber pad, mounting groove, spacing post, bolt two, blotter, the blotter is the piece of easily consuming, can take out the blotter from the mounting groove inboard through removing bolt two, and the blotter accessible after the change aligns spacing groove and spacing post and the block is spacing fixed, makes things convenient for the installation of bolt two, realizes the quick replacement of blotter.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic perspective view of the mounting base, cylinder, and buffer base of the present utility model;

FIG. 3 is a schematic perspective view of a protective shell according to the present utility model;

Fig. 4 is a schematic side view of the tooth tip of the present utility model.

In the figure: 1. a mounting base; 2. a cylinder; 3. a piston rod; 4. a protective shell; 41. a clamping groove; 5. a movable groove; 51. a damper block; 6. a clamping block; 61. a first bolt; 7. a shock absorption seat; 8. a damper; 9. a buffer seat; 91. a rubber pad; 10. a mounting groove; 101. a limit column; 102. a second bolt; 11. a cushion pad; 12. and a limiting ring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides an anticollision type hydraulic cylinder, including mount pad 1, mount pad 1's upper end fixed with cylinder body 2, cylinder body 2's inboard is provided with piston rod 3, cylinder body 2's outside is provided with protecting crust 4, movable groove 5 has been seted up in mount pad 1's outside, movable groove 5's inboard is provided with block 6, movable groove 5 is the annular array and is provided with a plurality of, movable groove 5's inboard is provided with snubber block 51, block 6 and movable groove 5's inboard slip cup joints, and with snubber block 51 looks adaptation each other, block 6's one end extends to the outside of movable groove 5, and block 4's inboard is connected through block 41 block, block 6 and protecting crust 4's lower extreme through bolt one 61 detachable connection, when cylinder body 2 receives the impact in the side, protecting crust 4 protects cylinder body 2's outside, protecting crust 4 receives the impact is transmitted to block 6, buffer the impact that the movable groove 5 received through snubber block 51, realize the shock attenuation to protecting crust 4;

The upper end of the cylinder body 2 is fixedly provided with a shock absorber seat 7, the upper end of the shock absorber seat 7 is provided with a shock absorber 8, the upper end of the shock absorber 8 is provided with a buffer seat 9, the outer side of the piston rod 3, the shock absorber seat 7 and the shock absorber seat 9 are in sliding connection through holes, the shock absorber 8 is in a plurality of annular arrays, the lower end of the shock absorber 8 is fixedly connected with the shock absorber seat 7, the upper end of the shock absorber 8 and the buffer seat 9 are fixedly connected, a rubber pad 91 is fixedly arranged on the outer side of the buffer seat 9, the outer side of the rubber pad 91 is in sliding connection with the inner side of the protective shell 4, the upper end of the buffer seat 9 is provided with a mounting groove 10, the inner side of the mounting groove 10 is provided with a buffer pad 11, when the piston rod 3 is received to the bottom, the limit ring 12 is in contact with the buffer pad 11, the buffer seat 9 is driven to slide on the inner side of the protective shell 4 by the buffer pad 11, the shock absorber 8 is subjected to secondary buffering and shock absorption by the shock absorber 8, and the anti-collision protection of the piston rod 3 is realized;

The inboard fixed mounting of mounting groove 10 has spacing post 101, spacing post 101 and buffer pad 11's lower extreme passes through spacing groove block and connects, spacing post 101's upper end and buffer pad 11 pass through bolt two 102 and can dismantle the connection, piston rod 3's upper end extends to cylinder body 2's outside and is provided with spacing ring 12, the outside of buffer pad 11 and piston rod 3 passes through-hole sliding connection, spacing ring 12 is located the top of buffer pad 11 and the fixed surface of piston rod 3, and with buffer pad 11 looks adaptation each other, can take out buffer pad 11 from mounting groove 10 inboard through removing bolt two 102, the buffer pad 11 accessible after the change aligns spacing groove and spacing post 101 and the block carries out spacing fixedly, make things convenient for the installation of bolt two 102.

In use, when the side of the cylinder body 2 is impacted, the protection shell 4 protects the outer side of the cylinder body 2, the impact received by the protection shell 4 is transmitted to the clamping block 6, the impact received by the inner side of the movable groove 5 is buffered through the damping block 51, the damping of the protection shell 4 is realized, when the piston rod 3 is received to the bottom, the limiting ring 12 is in contact with the buffer pad 11, the impact generated by the piston rod 3 is buffered and damped once, the buffer pad 11 drives the buffer seat 9 to slide on the inner side of the protection shell 4, the buffer pad 8 is damped secondarily by the impact received by the buffer seat 9, the anti-collision buffer of the piston rod 3 is realized, the protection shell 4 and the buffer seat 9 are used for protecting the shock absorber 8, the influence of dust and greasy dirt on the buffer 8 is effectively reduced, the protection shell 4 can be taken down from the outer side of the cylinder body 2 through the dismounting bolt 61, the cylinder body 2 or the buffer absorber 8 is conveniently overhauled, after the overhauling, the protection shell 4 is reset after the overhauling, the clamping groove 41 and the clamping block 6 are contacted with each other, the installation of the bolt 61 is convenient, the quick assembly of the protection shell 4 is realized, the buffer 11 is a consumable part, the buffer pad can be replaced through the two clamping grooves 102, the installation 11 can be replaced from the installation groove 11, the limit stud 11 is convenient, and the limit stud 11 can be replaced through the installation groove 11, and the limit stud 11 is convenient to be replaced, and the installation 11 is convenient.

And all that is not described in detail in this specification is well known to those skilled in the art.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An anti-collision hydraulic cylinder comprises a mounting seat (1), and is characterized in that: the utility model discloses a cylinder body, including mount pad (1), mounting pad (2), mounting pad (3), mounting pad (7), buffer seat (8), mounting pad (9) are provided with piston rod (3) in the upper end fixed mounting of mount pad (1), the outside of cylinder body (2) is provided with protecting crust (4), movable groove (5) have been seted up in the outside of mount pad (1), the inboard of movable groove (5) is provided with block (6), the upper end fixed mounting of cylinder body (2) has shock-absorbing seat (7), the upper end of shock-absorbing seat (7) is provided with bumper pad (9), mounting pad (10) have been seted up to the upper end of bumper pad (9), the inboard of mounting pad (10) is provided with blotter (11), the outside that the upper end of piston rod (3) extends to cylinder body (2) is provided with spacing ring (12).

2. An anti-collision hydraulic ram as claimed in claim 1, wherein: the movable grooves (5) are arranged in an annular array, damping blocks (51) are arranged on the inner sides of the movable grooves (5), and the clamping blocks (6) are in sliding sleeve connection with the inner sides of the movable grooves (5) and are mutually matched with the damping blocks (51).

3. An anti-collision hydraulic ram as claimed in claim 1, wherein: one end of the clamping block (6) extends to the outer side of the movable groove (5) and is connected with the inner side of the protective shell (4) in a clamping mode through the clamping groove (41), and the lower ends of the clamping block (6) and the protective shell (4) are detachably connected through a first bolt (61).

4. An anti-collision hydraulic ram as claimed in claim 1, wherein: the outer side of piston rod (3) and shock attenuation seat (7), buffer seat (9) are all through-hole sliding connection, bumper shock absorber (8) are annular array and are provided with a plurality of, the lower extreme and the shock attenuation seat (7) fixed connection of bumper shock absorber (8), the upper end and the buffer seat (9) fixed connection of bumper shock absorber (8).

5. An anti-collision hydraulic ram as claimed in claim 1, wherein: the outer side of the buffer seat (9) is fixedly provided with a rubber pad (91), and the outer side of the rubber pad (91) is in sliding connection with the inner side of the protective shell (4).

6. An anti-collision hydraulic ram as claimed in claim 1, wherein: the inner side of the mounting groove (10) is fixedly provided with a limiting column (101), the lower ends of the limiting column (101) and the buffer pad (11) are connected through the clamping of the limiting groove, and the upper ends of the limiting column (101) and the buffer pad (11) are detachably connected through a second bolt (102).

7. An anti-collision hydraulic ram as claimed in claim 1, wherein: the outer sides of the cushion pad (11) and the piston rod (3) are in sliding connection through the through holes, and the limiting ring (12) is positioned above the cushion pad (11) and fixedly connected with the surface of the piston rod (3) and is mutually matched with the cushion pad (11).