CN214742446U

CN214742446U - Marine hydraulic cylinder with multistage buffer gear

Info

Publication number: CN214742446U
Application number: CN202120268230.1U
Authority: CN
Inventors: 戴明
Original assignee: Yancheng Haite Machinery Technology Co ltd
Current assignee: Yancheng Haite Machinery Technology Co ltd
Priority date: 2021-01-29
Filing date: 2021-01-29
Publication date: 2021-11-16
Anticipated expiration: 2031-01-29

Abstract

The utility model discloses a marine hydraulic cylinder with a multistage buffer mechanism, which comprises an installation screw hole, a reinforcing rod, a cylinder body and an external shell, wherein the two ends of the outside of the cylinder body are provided with the external shell, the external shell is provided with the installation screw hole, the installation screw hole is provided with two on the external shell, the external shell is provided with an installation bolt, the installation bolt fixes the external shell and the cylinder body mutually, the reinforcing rod is inserted on the external shell, the number of the reinforcing rods is four on the external shell, the two ends of the reinforcing rod are movably connected with an installation nut through screw threads, when the cylinder moves, a supporting block can compress a third spring to realize the force unloading, the second spring is compressed by the supporting block to carry out the secondary force unloading, the fifth spring is compressed by the connecting rod to carry out the tertiary force unloading, and then the fourth spring is compressed by a slider to carry out the quaternary force unloading, the oil cylinder is prevented from being damaged due to overlarge impact force of the oil cylinder.

Description

Marine hydraulic cylinder with multistage buffer gear

Technical Field

The utility model relates to a hydro-cylinder technical field specifically is a marine hydraulic cylinder with multistage buffer gear.

Background

In the marine industry, hydraulic rams on ships are important working devices on ships. The hydraulic cylinder is a hydraulic actuating element which converts hydraulic energy into mechanical energy and makes linear reciprocating motion (or swinging motion), and when the hydraulic actuating element is used for realizing reciprocating motion, a speed reducing device can be omitted, so that the hydraulic actuating element is widely applied to hydraulic systems of various machines. The hydraulic cylinder basically comprises a cylinder barrel, a cylinder cover, a piston rod, a sealing device, a buffering device and an exhaust device, wherein the buffering device and the exhaust device are determined according to specific application occasions, and other devices are necessary, but the existing marine hydraulic cylinder with a multi-stage buffering mechanism has many problems or defects:

firstly, the existing marine hydraulic oil cylinder with a multi-stage buffer mechanism has poor buffer effect and low practicability;

secondly, the existing marine hydraulic cylinder with the multistage buffer mechanism has overlarge impact force when in use, so that the cylinder is easily damaged;

thirdly, the existing marine hydraulic oil cylinder with the multistage buffer mechanism is not enough in strength, and the oil cylinder is easy to burst.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a marine hydraulic cylinder with multistage buffer gear is not good, the impact force is too big leads to the hydro-cylinder to damage and the not enough problem of intensity in order to solve the buffering effect that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a marine hydraulic cylinder with multistage buffer gear, is including installation screw, stiffener, the hydro-cylinder body and outside casing, the outside both ends of hydro-cylinder body are provided with outside casing, and are provided with the installation screw on the outside casing, the installation screw is provided with two on the outside casing, be provided with construction bolt on the outside casing, construction bolt is outside casing and hydro-cylinder body reciprocal anchorage, the stiffener has been inserted on the outside casing, and the stiffener is provided with four on the outside casing, there is mounting nut at the both ends of stiffener through screw thread swing joint, mounting nut is stiffener and outside casing reciprocal anchorage.

Preferably, the piston is arranged in the oil cylinder body in a sliding mode, a rubber cushion pad is connected to the center of the right side of the piston, a first spring is connected to the inside of the rubber cushion pad, the other end of the first spring is connected to one end of the piston, and the rubber cushion pad plays a role in buffering.

Preferably, the center position of piston left end is connected with the connecting piece, and the inside of connecting piece is provided with the spout, and the inside one end of spout is connected with the fourth spring, and the fourth spring has played the purpose of buffering.

Preferably, a connecting rod is movably arranged at the center of the inside of the connecting piece, one end of the connecting rod is connected with a fifth spring, the other end of the fifth spring is connected to the inside of the connecting piece, and the connecting rod achieves the purpose of connection.

Preferably, the connecting rod is welded with a sliding block, one end of a fourth spring is connected with the sliding block, the sliding block moves in the sliding groove, and the fourth spring achieves the buffering purpose.

Preferably, the welding of the one end of connecting rod has the supporting shoe, and the outside coiling of connecting rod has the second spring, and the central point of supporting shoe left end puts and is connected with the push rod, and the outside coiling of push rod has the third spring, and the third spring has played the mesh of buffering.

Compared with the prior art, the beneficial effects of the utility model are that: this marine hydraulic cylinder with multistage buffer gear is rational in infrastructure, has following advantage:

(1) through being provided with rubber buffer, first spring, piston and fifth spring, the effectual purpose of buffering has been realized, and current device buffering effect is not good, consequently, during the use, is provided with rubber buffer through the right side at the piston, and rubber buffer has elasticity, and when the hydro-cylinder retracted, rubber buffer compressed with the outside casing contact on right side, and first spring will be compressed simultaneously, has realized the purpose of buffering.

(2) Through being provided with the second spring, the supporting shoe, the third spring, the purpose of reducing the impact force has been realized to connecting rod and fifth spring, in the in-process that the hydro-cylinder used, can be because the quick travel of hydro-cylinder, it is too big to lead to the impact force, therefore, in the use, when the hydro-cylinder removed, the supporting shoe will compress the third spring and realize unloading power, carry out the secondary through supporting shoe compression second spring and unload power, the connecting rod compression fifth spring carries out the cubic and unloads power, then carry out the quartic through slider compression fourth spring and unload power, the too big damage hydro-cylinder of impact force that has realized preventing the hydro-cylinder.

(3) The purpose of strengthening the strength of the oil cylinder is achieved through the reinforcing rods, the mounting nuts, the oil cylinder body and the external shell, the oil cylinder of the existing device is not high in strength, and the oil cylinder is damaged, so that the reinforcing rods are arranged outside the oil cylinder body during use, the reinforcing rods are four, the reinforcing rods fix the external shell and the oil cylinder body mutually, the strength of the oil cylinder is increased, and the purpose of improving the strength of the oil cylinder is achieved.

Drawings

Fig. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic sectional view of the present invention;

fig. 3 is a schematic perspective view of the present invention;

fig. 4 is a schematic side view of the present invention;

fig. 5 is an enlarged schematic structural diagram of a in fig. 2 according to the present invention.

In the figure: 1. mounting a screw hole; 2. a reinforcing bar; 3. mounting a nut; 4. a push rod; 5. installing a bolt; 6. a cylinder block; 7. an outer housing; 8. a rubber cushion pad; 9. a first spring; 10. a piston; 11. a second spring; 12. a support block; 13. a third spring; 14. a connecting rod; 15. a chute; 16. a connecting member; 17. a fourth spring; 18. a fifth spring; 19. a slide block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides an embodiment: a marine hydraulic cylinder with a multistage buffer mechanism comprises mounting screw holes 1, reinforcing rods 2, a cylinder body 6 and an external shell 7, wherein the external shell 7 is arranged at two ends of the outside of the cylinder body 6, the mounting screw holes 1 are formed in the external shell 7, mounting bolts 5 are arranged on the external shell 7, the external shell 7 and the cylinder body 6 are fixed to each other through the mounting bolts 5, the reinforcing rods 2 are inserted into the external shell 7, the number of the reinforcing rods 2 is four, mounting nuts 3 are movably connected to two ends of the reinforcing rods 2 through threads, and the reinforcing rods 2 and the external shell 7 are fixed to each other through the mounting nuts 3;

when the oil cylinder is used, the reinforcing rods 2 are arranged outside the oil cylinder body 6, the number of the reinforcing rods 2 is four, and the reinforcing rods 2 fix the outer shell 7 and the oil cylinder body 6 mutually, so that the strength of the oil cylinder is increased, and the aim of improving the strength of the oil cylinder is fulfilled;

a piston 10 is arranged in the oil cylinder body 6 in a sliding mode, a rubber buffer 8 is connected to the center of the right side of the piston 10, a first spring 9 is connected to the inside of the rubber buffer 8, and the other end of the first spring 9 is connected to one end of the piston 10;

when the oil cylinder is used, the rubber buffer cushion 8 is arranged on the right side of the piston 10, the rubber buffer cushion 8 has elasticity, when the oil cylinder retracts, the rubber buffer cushion 8 is in contact with the outer shell 7 on the right side to be compressed, meanwhile, the first spring 9 is compressed, and the purpose of buffering is achieved;

the center position of the left end of the piston 10 is connected with a connecting piece 16, a sliding groove 15 is arranged in the connecting piece 16, and one end in the sliding groove 15 is connected with a fourth spring 17;

a connecting rod 14 is movably arranged at the center position inside the connecting piece 16, one end of the connecting rod 14 is connected with a fifth spring 18, and the other end of the fifth spring 18 is connected inside the connecting piece 16;

a sliding block 19 is welded on the connecting rod 14, one end of a fourth spring 17 is connected with the sliding block 19, and the sliding block 19 moves in the sliding groove 15;

one end of the connecting rod 14 is welded with a supporting block 12, a second spring 11 is coiled outside the connecting rod 14, the center position of the left end of the supporting block 12 is connected with a push rod 4, and a third spring 13 is coiled outside the push rod 4;

when the oil cylinder is used, when the oil cylinder moves, the supporting block 12 compresses the third spring 13 to realize force unloading, the second spring 11 is compressed by the supporting block 12 to realize secondary force unloading, the connecting rod 14 compresses the fifth spring 18 to realize tertiary force unloading, and then the fourth spring 17 is compressed by the sliding block 19 to realize quartic force unloading, so that the oil cylinder is prevented from being damaged due to overlarge impact force of the oil cylinder.

The working principle is as follows: when the device is used, the device is installed at a proper position to work, the rubber buffer cushion 8 is arranged on the right side of the piston 10, the rubber buffer cushion 8 has elasticity, when the oil cylinder retracts, the rubber buffer cushion 8 is in contact with the outer shell 7 on the right side to be compressed, meanwhile, the first spring 9 is compressed, the buffering purpose is realized, in the using process of the oil cylinder, the impact force is overlarge due to the rapid movement of the oil cylinder, therefore, when the oil cylinder is used, when the oil cylinder moves, the supporting block 12 compresses the third spring 13 to realize the force unloading, the second spring 11 is compressed by the supporting block 12 to realize the secondary force unloading, the connecting rod 14 compresses the fifth spring 18 to realize the tertiary force unloading, then the fourth spring 17 is compressed by the slide block 19 to realize the quaternary force unloading, the damage to the oil cylinder caused by the overlarge impact force of the oil cylinder is prevented, the reinforcing rods 2 are arranged outside the oil cylinder body 6, and the four reinforcing rods 2 are arranged, the reinforcing rod 2 fixes the outer shell 7 and the oil cylinder body 6 to each other, so that the strength of the oil cylinder is increased, and the purpose of improving the strength of the oil cylinder is achieved.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a marine hydraulic cylinder with multistage buffer gear, includes installation screw (1), stiffener (2), hydro-cylinder body (6) and outside casing (7), its characterized in that: the oil cylinder body (6) outside both ends are provided with outside casing (7), and are provided with installation screw (1) on outside casing (7), installation screw (1) is provided with two on outside casing (7), be provided with construction bolt (5) on outside casing (7), construction bolt (5) external casing (7) and oil cylinder body (6) reciprocal anchorage, stiffener (2) have been inserted on outside casing (7), and stiffener (2) are provided with four on outside casing (7), there are mounting nut (3) at the both ends of stiffener (2) through screw thread swing joint, mounting nut (3) stiffener (2) and outside casing (7) reciprocal anchorage.

2. The marine hydraulic ram with a multi-stage damping mechanism of claim 1, wherein: the oil cylinder is characterized in that a piston (10) is arranged in the oil cylinder body (6) in a sliding mode, a rubber cushion pad (8) is connected to the center of the right side of the piston (10), a first spring (9) is connected to the inside of the rubber cushion pad (8), and the other end of the first spring (9) is connected to one end of the piston (10).

3. The marine hydraulic ram with a multi-stage damping mechanism of claim 2, wherein: the center position of the left end of the piston (10) is connected with a connecting piece (16), a sliding groove (15) is formed in the connecting piece (16), and one end of the inside of the sliding groove (15) is connected with a fourth spring (17).

4. The marine hydraulic ram with a multi-stage damping mechanism of claim 3, wherein: the center position in the connecting piece (16) is movably provided with a connecting rod (14), one end of the connecting rod (14) is connected with a fifth spring (18), and the other end of the fifth spring (18) is connected to the inside of the connecting piece (16).

5. The marine hydraulic ram with a multistage damping mechanism of claim 4, wherein: the connecting rod (14) is welded with a sliding block (19), one end of a fourth spring (17) is connected with the sliding block (19), and the sliding block (19) moves in the sliding groove (15).

6. The marine hydraulic ram with a multistage damping mechanism of claim 4, wherein: one end welding of connecting rod (14) has supporting shoe (12), and the outside coiling of connecting rod (14) has second spring (11), and the central point of supporting shoe (12) left end puts and is connected with push rod (4), and the outside coiling of push rod (4) has third spring (13).