CN210889545U

CN210889545U - Hydraulic cylinder transverse force compensator

Info

Publication number: CN210889545U
Application number: CN201921999964.6U
Authority: CN
Inventors: 唐国红
Original assignee: Wuxi Aosailin Hydraulic Technology Co ltd
Current assignee: Wuxi Aosailin Hydraulic Technology Co ltd
Priority date: 2019-11-19
Filing date: 2019-11-19
Publication date: 2020-06-30
Anticipated expiration: 2029-11-19

Abstract

The utility model discloses a horizontal force compensator of pneumatic cylinder, including the lower plate, the upper end of lower plate is provided with down fixed pipe, the upper end of lower fixed pipe is provided with the bellows, the upper end of bellows is provided with fixed pipe, go up the upper end of fixed pipe and install the upper end plate, the lower plate all is provided with the connecting block with the both ends of upper end plate, the inside of lower plate and upper end plate all runs through and is provided with the through-hole, the fixed slot has been seted up to one side that the inside of lower plate, upper end plate is close to the through-hole, the lower extreme of lower fixed pipe all is provided with the fixed pin with the upper end of last fixed pipe, the inside of fixed pin, lower plate, upper end plate all is provided with. A pneumatic cylinder transverse force compensator, the installation of bellows is all more convenient with the dismantlement, can dismantle the change after the bellows uses for a long time to damage, the operation is more convenient, increases the life of compensator.

Description

Hydraulic cylinder transverse force compensator

Technical Field

The utility model relates to a compensator technical field, in particular to pneumatic cylinder lateral force compensator.

Background

The compensator is a flexible element which can effectively play a role of compensating transverse deformation, the compensator welded on the outer side of the hydraulic cylinder has large transverse flexibility and is easy to deform, can compensate the thermal expansion difference of the pipe and the shell generated by different wall temperatures and reduce the transverse load of the pipe and the shell, thereby reducing the temperature difference stress of the pipe plate and the shell, avoiding causing strength damage, instability damage and pipe pull-out damage, having more types of compensators, and having the common structures of wave shape, ring plate welding, clamping shell type and the like, wherein the wave shape compensator is most widely applied; the existing compensator corrugated pipe is easy to deform after long-term use and cannot be replaced, so that the compensator is damaged and cannot be used continuously.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a lateral force compensator for a hydraulic cylinder, which can effectively solve the problems of the prior art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a lateral force compensator of a hydraulic cylinder comprises a lower end plate, wherein the upper end of the lower end plate is provided with a lower fixing pipe, the upper end of the lower fixed pipe is provided with a corrugated pipe, the upper end of the corrugated pipe is provided with an upper fixed pipe, the upper end of the upper fixed pipe is provided with an upper end plate, the two ends of the lower end plate and the upper end plate are both provided with connecting blocks, through holes are arranged in the lower end plate and the upper end plate in a penetrating way, fixing grooves are arranged on one sides of the inner parts of the lower end plate and the upper end plate, which are close to the through holes, the lower end of the lower fixing pipe and the upper end of the upper fixing pipe are both provided with fixing pins, the lower end plate and the upper end plate are all internally provided with threaded holes, the inside of the threaded hole is provided with a micro fixing screw, the other sides of the insides of the lower end plate and the upper end plate close to the through hole are provided with positioning holes, and a positioning rod is arranged at one side of the upper end of the upper fixing pipe and the lower end of the lower fixing pipe, which is positioned on the fixing pin.

Preferably, the fixed pin, locating lever respectively with lower end plate, upper end plate fixed connection, the surface of fixed pin and the internal surface swing joint of fixed slot, and the surface of locating lever and the internal surface swing joint of locating hole.

Preferably, miniature fixed screw and screw hole fixed connection, the fixed pin is fixed in the inside of lower end plate and upper end plate through miniature fixed screw, the lower extreme of lower fixed pipe passes through the upper end fixed connection of fixed pin, miniature fixed screw and lower end plate, and the lower extreme of upper end plate passes through the upper end fixed connection of fixed pin, miniature fixed screw and last fixed pipe.

Preferably, the lower extreme of bellows and the upper end fixed connection of lower fixed tube, and the upper end fixed connection of the lower extreme of going up fixed tube and bellows, the one end surface welding of connecting block is in the outside of lower end plate and last end plate, the quantity of connecting block is four groups, and the connecting block is the rectangle array and arranges.

Preferably, the inside of connecting block runs through and is provided with the external screw thread pull rod, the outside of the upper end external screw thread pull rod of connecting block is provided with fixing nut, fixing nut's internal surface and the surface threaded connection of external screw thread pull rod.

Preferably, the lower fixing pipe, the corrugated pipe and the upper fixing pipe are made of duplex stainless steel materials, the number of the fixing pins is two, and the fixing pins are axisymmetric with respect to the center line of the lower end plate.

Compared with the prior art, the utility model discloses following beneficial effect has: this kind of horizontal force compensator of pneumatic cylinder, insert the inside of fixed slot through the fixed pin that sets up, make the lower end plate, the upper end plate, the inside screw hole of fixed pin aligns, twist miniature fixed screw in the screw hole, can make the fixed pin fix in the fixed slot, and then can be with lower fixed pipe, the bellows, it installs between lower end plate and upper end plate to go up fixed pipe, can insert the inside of locating hole with the locating lever simultaneously, can play the effect of location to lower end plate and upper end plate, the installation is more firm, the installation and the dismantlement of bellows are all more convenient, can dismantle the change after the bellows uses the damage for a long time, the operation is more convenient, increase the life of compensator, the effect of using is better for traditional mode.

Drawings

Fig. 1 is a schematic view of the overall structure of a lateral force compensator of a hydraulic cylinder according to the present invention;

fig. 2 is an exploded view of a lateral force compensator of a hydraulic cylinder according to the present invention;

fig. 3 is a partially cut-away schematic view of the lateral force compensator of the hydraulic cylinder according to the present invention;

fig. 4 is a schematic structural diagram of a fixing pin of the lateral force compensator of the hydraulic cylinder according to the present invention.

In the figure: 1. a lower end plate; 2. a lower fixed tube; 3. a bellows; 4. an upper fixed tube; 5. an upper end plate; 6. connecting blocks; 7. an externally threaded tie rod; 8. fixing a nut; 9. a through hole; 10. fixing grooves; 11. a fixing pin; 12. a threaded hole; 13. a micro fixing screw; 14. positioning holes; 15. and (5) positioning the rod.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-4, a lateral force compensator for a hydraulic cylinder comprises a lower end plate 1, a lower fixing tube 2 is disposed at the upper end of the lower end plate 1, a corrugated tube 3 is disposed at the upper end of the lower fixing tube 2, an upper fixing tube 4 is disposed at the upper end of the corrugated tube 3, an upper end plate 5 is mounted at the upper end of the upper fixing tube 4, connecting blocks 6 are disposed at both ends of the lower end plate 1 and the upper end plate 5, through holes 9 are formed through the interiors of the lower end plate 1 and the upper end plate 5, a fixing groove 10 is disposed at one side of the interiors of the lower end plate 1 and the upper end plate 5 close to the through holes 9, a fixing pin 11 is disposed at both the lower end of the lower fixing tube 2 and the upper end of the upper fixing tube 4, threaded holes 12 are disposed in the interiors of the lower end plate 1 and the upper end plate 5, micro fixing screws 13 are disposed in, positioning rods 15 are arranged on one sides of the fixing pins 11, at the lower ends of the lower fixing tubes 2 and the upper ends of the upper fixing tubes 4.

The fixing pin 11 and the positioning rod 15 are fixedly connected with the lower end plate 1 and the upper end plate 5 respectively, the outer surface of the fixing pin 11 is movably connected with the inner surface of the fixing groove 10, and the outer surface of the positioning rod 15 is movably connected with the inner surface of the positioning hole 14.

Miniature set screw 13 and screw hole 12 fixed connection, fixed pin 11 is fixed in the inside of lower end plate 1 and upper end plate 5 through miniature set screw 13, and the lower extreme of lower fixed pipe 2 passes through fixed pin 11, miniature set screw 13 and the upper end fixed connection of lower end plate 1, and the lower extreme of upper end plate 5 passes through fixed pin 11, miniature set screw 13 and the upper end fixed connection of last fixed pipe 4.

The lower extreme of bellows 3 and the upper end fixed connection of lower fixed pipe 2, and the lower extreme of going up fixed pipe 4 and the upper end fixed connection of bellows 3, the one end surface welding of connecting block 6 is in the outside of lower end plate 1 and upper end plate 5, and the quantity of connecting block 6 is four groups, and connecting block 6 is the rectangular array and arranges.

The inside of connecting block 6 runs through and is provided with external screw thread pull rod 7, highly can make bellows 3 compress through adjusting external screw thread pull rod 7, and the outside of the upper end external screw thread pull rod 7 of connecting block 6 is provided with fixation nut 8, fixation nut 8's internal surface and external surface threaded connection of external screw thread pull rod 7.

The lower fixing pipe 2, the corrugated pipe 3 and the upper fixing pipe 4 are made of duplex stainless steel materials, the number of the fixing pins 11 is two, the fixing pins 11 are axisymmetric with respect to the center line of the lower end plate 1, and the expansion heat of the hydraulic cylinder can be absorbed through the corrugated pipe 3.

It should be noted that, the utility model relates to a pneumatic cylinder transverse force compensator, the user inserts the inside of fixed slot 10 with fixed pin 11, make lower terminal plate 1, upper end plate 5, the inside screw hole 12 of fixed pin 11 aligns, can make locating lever 15 insert the inside of locating hole 14 simultaneously, twist screw hole 12 with miniature fixed screw 13 in, can make fixed pin 11 fix in fixed slot 10, and then can be with lower fixed pipe 2, bellows 3, it installs between lower end plate 1 and upper end plate 5 to go up fixed pipe 4, the installation is more firm, fix external screw thread pull rod 7 between upper and lower two sets of connecting blocks 6 through fixation nut 8, height through adjusting external screw thread pull rod 7 can make bellows 3 compress, can absorb the heat of expansion of pneumatic cylinder through bellows 3, traditional compensator has surpassed in the use prospect, and is comparatively practical.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a lateral force compensator of pneumatic cylinder, includes lower end plate (1), its characterized in that: the upper end of the lower end plate (1) is provided with a lower fixing pipe (2), the upper end of the lower fixing pipe (2) is provided with a corrugated pipe (3), the upper end of the corrugated pipe (3) is provided with an upper fixing pipe (4), the upper end of the upper fixing pipe (4) is provided with an upper end plate (5), both ends of the lower end plate (1) and the upper end plate (5) are provided with connecting blocks (6), the lower end plate (1) and the upper end plate (5) are provided with through holes (9) in a penetrating manner, one side of the inner parts of the lower end plate (1) and the upper end plate (5) close to the through holes (9) is provided with a fixing groove (10), both the lower end of the lower fixing pipe (2) and the upper end of the upper fixing pipe (4) are provided with a fixing pin (11), the inner parts of the fixing pin (11), the lower end plate (1) and the upper end plate (5) are provided with, locating hole (14) have been seted up to the inside opposite side that is close to through-hole (9) of lower end plate (1), upper end plate (5), one side that the lower extreme of lower fixed pipe (2) and upper end of last fixed pipe (4) are located fixed pin (11) is provided with locating lever (15).

2. The hydraulic cylinder lateral force compensator of claim 1, wherein: the fixing pin (11) and the positioning rod (15) are fixedly connected with the lower end plate (1) and the upper end plate (5) respectively, the outer surface of the fixing pin (11) is movably connected with the inner surface of the fixing groove (10), and the outer surface of the positioning rod (15) is movably connected with the inner surface of the positioning hole (14).

3. The hydraulic cylinder lateral force compensator of claim 1, wherein: miniature fixed screw (13) and screw hole (12) fixed connection, fixed pin (11) are fixed in the inside of lower end plate (1) and upper end plate (5) through miniature fixed screw (13), the lower extreme of lower fixed pipe (2) passes through the upper end fixed connection of fixed pin (11), miniature fixed screw (13) and lower end plate (1), and the lower extreme of upper end plate (5) passes through the upper end fixed connection of fixed pin (11), miniature fixed screw (13) and last fixed pipe (4).

4. The hydraulic cylinder lateral force compensator of claim 1, wherein: the lower extreme of bellows (3) and the upper end fixed connection of lower fixed pipe (2), and the lower extreme of going up fixed pipe (4) and the upper end fixed connection of bellows (3), the one end surface welding of connecting block (6) is in the outside of lower end plate (1) and upper end plate (5), the quantity of connecting block (6) is four groups, and connecting block (6) are the rectangle array and arrange.

5. The hydraulic cylinder lateral force compensator of claim 1, wherein: the inside of connecting block (6) runs through and is provided with external screw thread pull rod (7), the outside of upper end external screw thread pull rod (7) of connecting block (6) is provided with fixation nut (8), the internal surface of fixation nut (8) and the surface threaded connection of external screw thread pull rod (7).

6. The hydraulic cylinder lateral force compensator of claim 1, wherein: the lower fixing pipe (2), the corrugated pipe (3) and the upper fixing pipe (4) are made of duplex stainless steel materials, the number of the fixing pins (11) is two, and the fixing pins (11) are axisymmetric about the center line of the lower end plate (1).