CN212429395U

CN212429395U - Hydraulic cylinder with shock-absorbing function

Info

Publication number: CN212429395U
Application number: CN202020995877.XU
Authority: CN
Inventors: 段文林
Original assignee: Beijing Changyu Lihua Hydraulic Systems Engineering Design Co ltd
Current assignee: Beijing Changyu Lihua Hydraulic Systems Engineering Design Co ltd
Priority date: 2020-06-03
Filing date: 2020-06-03
Publication date: 2021-01-29
Anticipated expiration: 2030-06-03

Abstract

The utility model provides a hydraulic cylinder with shock-absorbing function. The hydraulic oil cylinder with the shock absorption function comprises: a hydraulic cylinder body; the water cooling mechanism is connected with the hydraulic cylinder body; the mounting plate is fixedly connected with the output end of the hydraulic cylinder body; coupling mechanism, coupling mechanism is connected with the mounting panel, and coupling mechanism includes spring coupling structure, internal thread sleeve, threaded rod, slide rail, rotor plate, adapter sleeve, bar shaped plate, round pin axle and connecting plate, the mounting panel is connected with the connecting plate through spring coupling structure with the face of pneumatic cylinder body dorsad, and the connecting plate is connected with the bar shaped plate with the face fixedly connected with of mounting panel dorsad, and the bar shaped plate rotates through the round pin axle and is connected with the rotor plate, rotor plate and the connecting plate face fixedly connected with adapter sleeve dorsad. The utility model provides a hydraulic cylinder with shock-absorbing function has long service life and reduces the advantage of the operating personnel work degree of difficulty.

Description

Hydraulic cylinder with shock-absorbing function

Technical Field

The utility model relates to a pneumatic cylinder field especially relates to a hydraulic cylinder with shock-absorbing function.

Background

The hydraulic cylinder is an actuating element in a hydraulic transmission system and is an energy conversion device for converting hydraulic energy into mechanical energy. The hydraulic motor performs a continuous rotary motion, while the hydraulic cylinder performs a reciprocating motion. The hydraulic cylinder has three types, namely a piston cylinder, a plunger cylinder and a swing cylinder, wherein the piston cylinder and the plunger cylinder realize reciprocating linear motion and output speed and thrust, and the swing cylinder realizes reciprocating swing and outputs angular speed and torque.

When the pneumatic cylinder was used, its output need be connected with external connection spare, and flexible drive through the pneumatic cylinder drives external connection spare reciprocating motion, and when the pneumatic cylinder was used for the mould, when punching a hole etc. field, the output of pneumatic cylinder and the adapter sleeve wherein bump easily, and current pneumatic cylinder does not have the structure of shock attenuation buffering, causes the adapter sleeve to take place to warp among the pneumatic cylinder output and drops even easily, influences its life.

Therefore, there is a need to provide a new hydraulic cylinder with shock absorption function to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides an improve life's hydraulic cylinder with shock-absorbing function.

The utility model provides a hydraulic cylinder with shock-absorbing function includes: a hydraulic cylinder body; the water cooling mechanism is connected with the hydraulic cylinder body; the mounting plate is fixedly connected with the output end of the hydraulic cylinder body; the connecting mechanism is connected with the mounting plate and comprises a spring connecting structure, an internal thread sleeve, a threaded rod, a sliding rail, a rotating plate, a connecting sleeve, a strip-shaped plate, a pin shaft and a connecting plate, the mounting plate and the back-facing surface of the hydraulic cylinder body are connected with the connecting plate through the spring connecting structure, the connecting plate and the back-facing surface of the mounting plate are fixedly connected with the strip-shaped plate, the strip-shaped plate is rotatably connected with the rotating plate through the pin shaft, and the rotating plate and the back-facing surface of the connecting plate are fixedly connected with the connecting; the connecting plate fixedly connected with one end open-ended internal thread sleeve, internal thread sleeve female connection have the threaded rod, and the one end of threaded rod extends to the telescopic outside of internal thread and rotates and be connected with the slider, slider sliding connection and slide rail sliding connection, and slide rail and rotor plate fixed connection.

Preferably, the spring connecting structure comprises springs and telescopic rods, the mounting plate and the back-to-back surface of the hydraulic cylinder body are connected with the connecting plate through the springs, the connecting plate is connected with one end of the telescopic rod, and the other end of the telescopic rod is connected with the mounting plate.

Preferably, the water-cooling mechanism includes outlet pipe, honeycomb duct and inlet tube, the surface fixedly connected with of pneumatic cylinder body encircles its honeycomb duct that sets up, the one end fixedly connected with inlet tube of honeycomb duct, the other end fixedly connected with outlet pipe of honeycomb duct.

Preferably, the draft tube is spirally arranged.

Preferably, the mounting end of the hydraulic cylinder body is fixedly connected with a fixing plate, and the fixing plate and the back surface of the hydraulic cylinder body are fixedly connected with a plurality of positioning pins.

Preferably, both sides of the spring are fixedly connected with connecting lugs, and the two connecting lugs are respectively connected with the mounting plate and the connecting plate.

Compared with the prior art, the utility model provides a hydraulic cylinder with shock-absorbing function has following beneficial effect:

1. the spring in the utility model can buffer the impact force on the connecting sleeve and the external connecting piece, so that the expansion of the external connecting piece is more stable, and the rigid collision between the connecting sleeve and the external connecting piece and other external equipment is avoided, so that the device has the shock absorption function, and the service life of the connecting sleeve is prolonged;

2. the utility model can adjust the angle between the rotating plate and the connecting plate by rotating the threaded rod, so that the use angle and the use position of the connecting sleeve can be adjusted, thereby facilitating the alignment of the connecting sleeve and the mounting hole on the external connecting piece and reducing the work difficulty of operators;

3. the utility model discloses a rotate the threaded rod for adapter sleeve and external connection spare's use angle can be adjusted, increases the flexibility that the device used, and the actual demand of satisfying that can be better reduces the limitation that the device used.

Drawings

Fig. 1 is a schematic structural view of a preferred embodiment of a hydraulic cylinder with a shock-absorbing function according to the present invention;

FIG. 2 is a schematic view of the mounting structure of the coupling mechanism shown in FIG. 1;

fig. 3 is a side view schematic diagram of the hydraulic oil cylinder with a shock absorption function shown in fig. 1.

Reference numbers in the figures: 1. a fixing plate; 2. a hydraulic cylinder body; 3. a water cooling mechanism; 31. a water outlet pipe; 32. a flow guide pipe; 33. a water inlet pipe; 4. mounting a plate; 5. a connecting mechanism; 51. a spring connection structure; 511. a spring; 512. a telescopic rod; 52. an internally threaded sleeve; 53. a threaded rod; 54. a slide rail; 55. a rotating plate; 56. Connecting sleeves; 57. a strip plate; 58. a pin shaft; 59. a connecting plate; 6. and a positioning pin.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

Please refer to fig. 1, fig. 2 and fig. 3 in combination, wherein fig. 1 is a schematic structural diagram of a preferred embodiment of a hydraulic cylinder with a damping function according to the present invention; FIG. 2 is a schematic view of the mounting structure of the coupling mechanism shown in FIG. 1; fig. 3 is a side view schematic diagram of the hydraulic oil cylinder with a shock absorption function shown in fig. 1. Hydraulic cylinder with shock-absorbing function includes: a hydraulic cylinder body 2; the water cooling mechanism 3 is connected with the hydraulic cylinder body 2; the mounting plate 4 is fixedly connected with the output end of the hydraulic cylinder body 2; and the connecting mechanism 5 is connected with the mounting plate 4.

In a specific implementation process, as shown in fig. 1 and fig. 2, the connecting mechanism 5 includes a spring connecting structure 51, an internal thread sleeve 52, a threaded rod 53, a sliding rail 54, a rotating plate 55, a connecting sleeve 56, a strip-shaped plate 57, a pin 58 and a connecting plate 59, the mounting plate 4 and the back surface of the hydraulic cylinder body 2 are connected with the connecting plate 59 through the spring connecting structure 51, the connecting plate 59 and the back surface of the mounting plate 4 are fixedly connected with the strip-shaped plate 57, the strip-shaped plate 57 is rotatably connected with the rotating plate 55 through the pin 58, and the rotating plate 55 and the back surface of the connecting plate 59 are fixedly connected with the connecting sleeve 56; the connecting plate 59 is fixedly connected with an internal thread sleeve 52 with an opening at one end, the internal thread sleeve 52 is internally connected with a threaded rod 53, one end of the threaded rod 53 extends to the outside of the internal thread sleeve 52 and is rotatably connected with a sliding block, the sliding block is slidably connected with the sliding rail 54, and the sliding rail 54 is fixedly connected with the rotating plate 55.

Need to explain: when the device is used, the external connecting piece is connected with the connecting sleeve 56, and the length of the thread 53 extending out of the internal thread sleeve 52 can be adjusted by rotating the threaded rod 53, so that the angle between the rotating plate 55 and the connecting plate 59 can be adjusted, the use angle and the use position of the connecting sleeve 56 can be adjusted, the connecting sleeve 56 and the mounting hole in the external connecting piece can be aligned conveniently, and the working difficulty of an operator is reduced;

it is also stated that: after the external connecting piece is connected with the connecting sleeve 56, the threaded rod 53 is rotated, so that the using angle of the connecting sleeve 56 and the external connecting piece can be adjusted, the using flexibility of the device is increased, the actual requirement can be better met, and the using limitation of the device is reduced.

Referring to fig. 2, the spring connecting structure 51 includes a spring 511 and a telescopic rod 512, the back surface of the mounting plate 4 and the hydraulic cylinder body 2 is connected to a connecting plate 59 through a plurality of springs 511, the connecting plate 59 is connected to one end of the telescopic rod 512, and the other end of the telescopic rod 512 is connected to the mounting plate 4.

Need to explain: the spring 511 can buffer the impact force on the connecting sleeve 56 and the external connecting piece, so that the external connecting piece can stretch out and draw back more stably, and meanwhile, the connecting sleeve 56 and the external connecting piece are prevented from rigidly colliding with other external equipment, so that the device has a shock absorption function, and the service life of the connecting sleeve 56 is prolonged; for example, when the hydraulic cylinder body 2 drives the movable template to work, the movable template can be prevented from rigidly colliding with the fixed template, and the service life of the connecting sleeve 56 is further prolonged.

Referring to fig. 1, the water cooling mechanism 3 includes outlet pipe 31, honeycomb duct 32 and inlet tube 33, the outer fixed surface of the hydraulic cylinder body 2 is connected with the honeycomb duct 32 that encircles its setting, and the one end fixedly connected with inlet tube 33 of honeycomb duct 32, the other end fixedly connected with outlet pipe 31 of honeycomb duct 32.

Need to explain: external cooling water can enter the flow guide pipe 32 through the water inlet pipe 33, and is discharged through the water outlet pipe 31 after flowing through the flow guide pipe 32, so that the hydraulic oil in the hydraulic cylinder body 2 can be cooled through the cooling water, the use reliability of the hydraulic cylinder body 2 is improved,

referring to fig. 1, the draft tube 32 is spirally disposed.

Need to explain: the draft tube 32 is spirally arranged, so that the stroke of cooling water is increased, and cooling of the hydraulic cylinder body 2 is facilitated.

Referring to fig. 1, a fixing plate 1 is fixedly connected to the mounting end of the hydraulic cylinder body 2, and a plurality of positioning pins 6 are fixedly connected to the back surfaces of the fixing plate 1 and the hydraulic cylinder body 2.

Need to explain: the whole device is fixed through the fixing plate 1, and the positioning pin 6 plays a positioning role, so that the device is more stable to mount.

Referring to fig. 3, two sides of the spring 511 are fixedly connected with connecting lugs, and the two connecting lugs are respectively connected with the mounting plate 4 and the connecting plate 59.

Need to explain: the connection of the spring 511 to the mounting plate 4 and the connecting plate 59 is facilitated by the connecting lugs.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. A hydraulic cylinder with shock-absorbing function, characterized by comprising:

a hydraulic cylinder body (2);

the water cooling mechanism (3), the water cooling mechanism (3) is connected with the hydraulic cylinder body (2);

the mounting plate (4), the mounting plate (4) is fixedly connected with the output end of the hydraulic cylinder body (2);

the connecting mechanism (5) is connected with the mounting plate (4), the connecting mechanism (5) comprises a spring connecting structure (51), an internal thread sleeve (52), a threaded rod (53), a sliding rail (54), a rotating plate (55), a connecting sleeve (56), a strip-shaped plate (57), a pin shaft (58) and a connecting plate (59), the mounting plate (4) and the back surface of the hydraulic cylinder body (2) are connected with the connecting plate (59) through the spring connecting structure (51), the connecting plate (59) and the back surface of the mounting plate (4) are fixedly connected with the strip-shaped plate (57), the strip-shaped plate (57) is rotatably connected with the rotating plate (55) through the pin shaft (58), and the connecting sleeve (56) is fixedly connected with the back surface of the rotating plate (55) and the connecting plate (59); connecting plate (59) fixedly connected with one end open-ended internal thread sleeve (52), internal thread sleeve (52) internal thread connection has threaded rod (53), and the one end of threaded rod (53) extends to the outside of internal thread sleeve (52) and rotates and is connected with the slider, slider sliding connection and slide rail (54) sliding connection, and slide rail (54) and rotor plate (55) fixed connection.

2. The hydraulic oil cylinder with the shock absorption function according to claim 1, wherein the spring connecting structure (51) comprises a spring (511) and a telescopic rod (512), the back surfaces of the mounting plate (4) and the hydraulic cylinder body (2) are connected with a connecting plate (59) through the springs (511), the connecting plate (59) is connected with one end of the telescopic rod (512), and the other end of the telescopic rod (512) is connected with the mounting plate (4).

3. The hydraulic oil cylinder with the shock absorption function according to claim 1, wherein the water cooling mechanism (3) comprises a water outlet pipe (31), a guide pipe (32) and a water inlet pipe (33), the guide pipe (32) arranged around the outer surface of the hydraulic cylinder body (2) is fixedly connected to the outer surface of the hydraulic cylinder body, the water inlet pipe (33) is fixedly connected to one end of the guide pipe (32), and the water outlet pipe (31) is fixedly connected to the other end of the guide pipe (32).

4. The hydraulic cylinder with shock absorption function according to claim 3, characterized in that the draft tube (32) is spirally arranged.

5. The hydraulic oil cylinder with the shock absorption function according to claim 1, wherein a fixing plate (1) is fixedly connected to the mounting end of the hydraulic cylinder body (2), and a plurality of positioning pins (6) are fixedly connected to the back surfaces of the fixing plate (1) and the hydraulic cylinder body (2).

6. The hydraulic oil cylinder with the shock absorption function according to claim 2, wherein both sides of the spring (511) are fixedly connected with connecting lugs, and the two connecting lugs are respectively connected with the mounting plate (4) and the connecting plate (59).