CN216940490U

CN216940490U - Piston mounting device

Info

Publication number: CN216940490U
Application number: CN202122981883.7U
Authority: CN
Inventors: 陈兴让; 李其斌; 李刚; 王洪伟; 林磉熙; 曹守波; 方司马; 祝赵栋; 张伟; 蔡江南
Original assignee: China Nuclear Industry Maintenance Co Ltd
Current assignee: China Nuclear Industry Maintenance Co Ltd
Priority date: 2021-11-30
Filing date: 2021-11-30
Publication date: 2022-07-12
Anticipated expiration: 2031-11-30

Abstract

The utility model relates to the technical field of piston installation, and discloses a piston installation device, which is used for installing a piston of a driving cylinder and comprises: the support comprises two fixing pieces arranged at intervals and a connecting piece arranged between the two fixing pieces, and an installation space for placing a driving cylinder is formed between the two fixing pieces; installation mechanism, installation mechanism includes the moving part that two intervals set up, every the one end of moving part is worn to locate and is corresponded the mounting and court extend in the installation space, every the moving part all is used for a butt piston, two the moving part motion in opposite directions, in order to with two the piston is installed in the both sides of driving the jar. The piston mounting device is simple in structure, synchronous mounting of the two pistons at the two ends of the driving cylinder can be completed by simultaneously controlling the two moving parts, mounting is simple, use is convenient, and the technical problem of difficulty in mounting the pistons at the two ends of the driving cylinder in the prior art is effectively solved.

Description

Piston mounting device

Technical Field

The utility model relates to the technical field of piston installation, in particular to a piston installation device.

Background

In the use process of the cylinder, the piston is often required to be pulled out of the cylinder for maintenance, and after the piston is repaired, the piston is required to be installed in the cylinder again, but due to the reasons of large friction resistance between the sealing ring and the cylinder body of the cylinder, limited maintenance space and the like, the piston is difficult to install and is easy to block; in addition, if the pistons at both sides of the cylinder cannot enter the cylinder at the same time during the installation of the pistons to the cylinder, damage to the piston rings may result.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a piston installation device to solve the technical problem in the prior art that pistons at two ends of a cylinder are difficult to install.

The embodiment of the utility model provides a piston mounting device, which is used for mounting a piston of a driving cylinder, and comprises:

the support comprises two fixing pieces arranged at intervals and a connecting piece arranged between the two fixing pieces, and an installation space for placing a driving cylinder is formed between the two fixing pieces;

installation mechanism, installation mechanism includes the moving part that two intervals set up, every the one end of moving part is worn to locate and is corresponded the mounting and court extend in the installation space, every the moving part all is used for a butt piston, two the moving part motion in opposite directions, in order to with two the piston is installed in the both sides of driving the jar.

In one embodiment, the movable part comprises a push rod and a handle, one end, far away from the handle, of the push rod penetrates through the fixing part and extends towards the inside of the installation space, and the handle is connected to one side, far away from the installation space, of the push rod.

In one embodiment, the end of the push rod away from the handle is tapered.

In one embodiment, the piston mounting device further comprises a supporting mechanism, the supporting mechanism comprises two supporting members respectively arranged on the two fixing members, each supporting member comprises a supporting portion vertically connected to the fixing member and a connecting portion vertically connected to the supporting portion, and the two connecting portions are partially stacked and detachably connected.

In an embodiment, the supporting portion has a mounting hole, the fixing portion has a through hole, and one end of the movable member sequentially penetrates through the mounting hole and the through hole and extends toward the inside of the mounting space.

In one embodiment, the through hole is located at a middle position of the fixing member.

In one embodiment, each of the connecting portions is provided with a plurality of connecting holes which are uniformly distributed along the length direction and used for installing bolts, and the two connecting portions are connected through bolts which are arranged in the connecting holes in a penetrating mode.

In an embodiment, the support mechanism further includes a reinforcing member, and both ends of the reinforcing member are welded to the support portion and the connecting portion, respectively.

In an embodiment, the bracket includes two parallel connecting members disposed at an interval, two ends of each of the fixing members are respectively provided with a fixing hole, and two ends of each of the connecting members respectively penetrate through the corresponding fixing holes.

In an embodiment, the connecting member is a screw rod, and a nut is sleeved on the screw rod, two ends of the screw rod respectively penetrate through the fixing holes of the two fixing members, and the nut is used for fixedly connecting the screw rod and the fixing members.

The piston mounting device provided by the utility model utilizes the mounting space formed between the two fixing pieces and can be used for placing the driving cylinder. Because installation mechanism includes that two wear to establish the moving part on two mountings that the interval set up respectively, and two moving parts can move towards the installation space simultaneously, like this, can control two moving parts simultaneously and move towards the both sides of actuating cylinder to promote both ends piston and accomplish the installation simultaneously. The piston mounting device adopting the structural design has the advantages that the structure is simple, the synchronous mounting of the two pistons at the two ends of the driving cylinder can be completed by simultaneously controlling the two moving parts, the mounting is simple, the use is convenient, and the technical problem of difficulty in mounting the pistons at the two ends of the driving cylinder in the prior art is effectively solved.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

FIG. 1 is a perspective view of a piston mounting arrangement according to one embodiment of the present invention;

FIG. 2 is a top view of the piston mounting apparatus shown in FIG. 1;

fig. 3 is a front view of the piston mounting apparatus shown in fig. 1.

The designations in the figures mean:

100. a piston mounting means;

10. a support; 11. a fixing member; 12. a connecting member; 13. an installation space; 14. a fixing hole; 15. a through hole;

20. an installation mechanism; 21. a movable member; 211. a top rod; 212. a handle;

30. a support mechanism; 31. a support member; 311. a support portion; 312. a connecting portion; 313. connecting holes; 314. mounting holes; 32. a reinforcing member.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail below with reference to the accompanying drawings, which are examples. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

In the description of the present application, it is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be considered limiting of the present application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

To illustrate the technical solution of the present invention, the following description is made with reference to the specific drawings and examples.

The embodiment of the application provides a piston installation device for install two pistons simultaneously at the both ends of actuating cylinders such as cylinder, hydro-cylinder.

Referring to fig. 1 to 3, the piston mounting apparatus 100 includes a bracket 10 and a mounting mechanism 20.

The bracket 10 comprises two fixing pieces 11 arranged at intervals and a connecting piece 12 arranged between the two fixing pieces 11, and an installation space 13 for placing a driving cylinder is formed between the two fixing pieces 11. That is, the driving cylinder is disposed between the two fixing members 11 and is limited by the fixing members 11, and the installation space 13 may be, but is not limited to, a square or an irregular polygon.

The mounting mechanism 20 includes two movable members 21 disposed at an interval, one end of each movable member 21 is disposed through the corresponding fixed member 11 and extends toward the inside of the mounting space 13, each movable member 21 is used for abutting against a piston (not shown), and the two movable members 21 can move in opposite directions to mount the two pistons on two sides of the driving cylinder. That is, the two movable members 21 can move toward two sides of the driving cylinder respectively at the same time and the moving directions of the two movable members 21 are opposite, that is, the two movable members 21 can drive a piston respectively and install the two pistons at two ends of the driving cylinder synchronously.

The piston mounting apparatus 100 can be used to place a driving cylinder by forming a mounting space 13 between two fixing members 11. Since the mounting mechanism 20 includes two movable members 21 respectively passing through the two fixed members 11 disposed at an interval, and the two movable members 21 can move toward the mounting space 13 at the same time, the two movable members 21 can be controlled to move toward both sides of the driving cylinder at the same time, so as to push the pistons at both ends to complete the mounting at the same time. The piston mounting device 100 adopting the structural design has the advantages of simple structure, simple installation and convenient use, can finish the synchronous installation of the two pistons at the two ends of the driving cylinder by simultaneously controlling the two moving parts 21, and effectively improves the technical problem of difficult installation of the pistons at the two ends of the driving cylinder in the prior art.

Referring to fig. 1 and fig. 2, in an embodiment of the present application, the movable member 21 includes a push rod 211 and a handle 212, an end of the push rod 211 away from the handle 212 is disposed through the fixed member 11 and extends toward the inside of the installation space 13, and the handle 212 is connected to a side of the push rod 211 away from the installation space 13. Thus, the push rod 211 can be moved by rotating the handle 212, and the operation of a worker is facilitated.

Specifically, the handle 212 is vertically connected to a side of the top bar 211 facing away from the installation space 13, but is not limited thereto.

Further, the end of the push rod 211 away from the handle 212 is tapered. So, make things convenient for the tip of ejector pin 211 and the inseparable butt of the centre bore of piston to the drive piston removes, until installing the piston in one side of actuating cylinder.

It is understood that in other embodiments of the present application, the movable member 21 may also include a motor, which is connected to the top bar 211 and drives the top bar 211 to move toward or away from the installation space 13, but is not limited thereto.

Further, referring to fig. 1, in an embodiment of the present application, the bracket 10 includes two parallel connecting members 12 disposed at an interval, two ends of each fixing member 11 are respectively provided with a fixing hole 14, and two ends of each connecting member 12 are respectively inserted into the corresponding fixing holes 14. Therefore, the connecting piece 12 and the fixing piece 11 are connected to form a quadrilateral frame with stable structure and an installation space 13 arranged in the frame and used for placing the driving cylinder, and the structure is simple and the assembly and disassembly are convenient.

In this embodiment, the fixing member 11 is a fixing plate, the connecting member 12 is a screw rod, and the screw rod is sleeved with a nut, two ends of the screw rod respectively penetrate through the fixing holes 14 of the two fixing members 11, and the nut is used for fixedly connecting the screw rod and the fixing member 11. So, the stable connection between realization mounting 11 and the connecting piece 12 is connected in the cooperation of accessible screw rod and nut, and the accessible adjusts the length that connecting piece 12 inserts between two mountings 11 to realize the different intervals between two mountings 11, installation space 13's size is adjustable promptly, is applicable in the actuating cylinder of multiple size.

It will be appreciated that the connection between the fixing member 11 and the connecting member 12 is not exclusive.

For example, in other embodiments of the present application, the fixing element 11 and the connecting element 12 may also be detachably connected by an external fixing buckle, and the like, and the length of the portion of the connecting element 12 between the fixing element 11 and the connecting element 12 may also be adjusted.

Alternatively, in another embodiment of the present application, the connecting member 12 may also be a telescopic rod, and by adjusting the length of the connecting member 12 itself, the distance between the two fixing members 11 can be changed to adapt to the placement of driving cylinders with different sizes, but is not limited thereto.

Referring to fig. 1 and 2, in an embodiment of the present application, the piston mounting apparatus 100 further includes a supporting mechanism 30, the supporting mechanism 30 includes two supporting members 31 respectively disposed on the two fixing members 11, each supporting member 31 includes a supporting portion 311 vertically connected to the fixing member 11 and a connecting portion 312 vertically connected to the supporting portion 311, and the two connecting portions 312 are partially stacked and detachably connected. In this way, the support mechanism 30 can reinforce the stability of the support 10, and prevent the support 10 from deforming during the installation of the driving piston of the movable element 21 into the driving cylinder.

It is understood that, in the present embodiment, each of the supporting members 31 has an L-shape, and when the connecting portions 312 of the two supporting members 31 are partially connected in a stacked manner, the supporting mechanism 30 has an inverted U-shape as a whole. It is understood that the number of the inverted U-shaped support mechanisms 30 may be plural and may be provided at intervals on the top of the bracket 10, so that the structural stability of the piston mounting apparatus 100 may be further reinforced, which is not limited herein.

Referring to fig. 1 and fig. 2, in an embodiment of the present application, a mounting hole 314 is formed on the supporting portion 311, a through hole 15 is formed on the corresponding fixing member 11, and one end of the movable member 21 sequentially penetrates through the mounting hole 314 and the through hole 15 and extends toward the mounting space 13. In this way, the supporting portion 311 of the supporting member 31 and the fixed member 11 can be fixedly connected by the movable member 21, so that the structural stability of the connection position between the movable member 21 and the fixed member 11 is enhanced, and when the movable member 21 is driven to move toward the installation space 13, the possibility of deformation of the bracket 10 can be reduced, and the stability of the piston installation apparatus 100 in the use process can be improved.

Further, in the present embodiment, the through-hole 15 is located at an intermediate position of the fixing member 11. Therefore, only one supporting mechanism 30 is needed to realize the connection function of the fixed support 10, and the manufacturing cost is reduced.

It is understood that in other embodiments of the present application, the through hole 15 may be disposed at other positions of the fixing member 11, and is not limited herein.

Referring to fig. 1 again, in an embodiment of the present application, each connecting portion 312 is provided with a plurality of connecting holes 313 uniformly distributed along a length direction thereof for installing bolts, and the two connecting portions 312 are connected by bolts inserted into the connecting holes 313. In this way, the detachable connection between the connecting portions 312 of the two support members 31 can be achieved by a simple bolt connection.

In addition, since the connection holes 313 are uniformly distributed along the length direction of the connection parts 312, the length of the overlapping portion of the two connection parts 312 can be changed by inserting different connection holes 313 through bolts, that is, the distance between the two support parts 311 can be adjusted, so that the requirement that the structure of the support member 31 is changed when the distance between the two fixing members 11 is adjusted is met, and the flexibility of the whole piston mounting device 100 is improved.

In the present embodiment, two connection holes 313 are formed at the overlapping portion of each connection portion 312 and the other connection portion 312, and each connection hole 313 is communicated with the connection hole 313 on the other connection portion 312, and a connection bolt is inserted through each connection hole 313. It is understood that in other embodiments, the number of the connection holes 313 on the overlapped portion of the two connection portions 312 may be other, and is not limited herein.

Referring to fig. 1 and fig. 3, in an embodiment of the present application, the supporting mechanism 30 further includes a reinforcing member 32, and two ends of the reinforcing member 32 are respectively welded to the supporting portion 311 and the connecting portion 312. Thus, the structural strength of the joint between the supporting portion 311 and the connecting portion 312 can be reinforced by welding the reinforcing member 32, so as to reduce the possibility of deformation of the supporting member 31 under the action of external force, and improve the stability of the whole device when the piston is installed through the movable member 21.

In the present embodiment, the reinforcing members 32 are two in number, are respectively provided in the vicinity of the connection of the supporting portion 311 and the connecting portion 312 of each supporting member 31, and are fixedly connected to the supporting members 31 by welding. It is understood that, in other embodiments of the present application, the number of the reinforcing members 32 at the connection portion 312 and the supporting portion 311 of each supporting member 31 may be other, and is not limited herein.

The use process of the piston mounting device 100 is as follows: adjusting the length of the connecting member 12 to make the distance between the two fixing members 11 equal to the length of the driving cylinder to be installed so that the driving cylinder to be installed can be placed in the installation space 13, and installing bolts in the connection holes 313 to fixedly connect the connection parts 312 of the two supporting members 31; placing the driving cylinder to be installed in the installation space 13 and fastening the connection between the connecting piece 12 and the fixing piece 11; placing pistons to be installed at two sides of the driving cylinder simultaneously; the two movable members 21 are rotated, and the two pistons are simultaneously pushed into the driving cylinder by the thrust of the top rods 211 on the two movable members 21.

The piston mounting device 100 provided by the utility model can be used for placing a driving cylinder by utilizing the mounting space 13 formed between the two fixing pieces 11. Since the mounting mechanism 20 includes two movable members 21 respectively passing through the two fixed members 11 disposed at an interval, and the two movable members 21 can move toward the mounting space 13 at the same time, the two movable members 21 can be controlled to move toward both sides of the driving cylinder at the same time, so as to push the pistons at both ends to complete the mounting at the same time. The piston mounting device 100 adopting the structural design has the advantages of simple structure, simple installation and convenient use, can finish the synchronous installation of the two pistons at the two ends of the driving cylinder by simultaneously controlling the two moving parts 21, and effectively improves the technical problem of difficult installation of the pistons at the two ends of the driving cylinder in the prior art.

The above-mentioned embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the spirit and scope of the embodiments of the present application and are intended to be included within the scope of the present application.

Claims

1. A piston mounting arrangement for mounting a piston of a drive cylinder, the piston mounting arrangement comprising:

2. The piston mounting device as claimed in claim 1, wherein the movable member includes a rod and a handle, one end of the rod, which is away from the handle, is inserted into the fixed member and extends toward the inside of the mounting space, and the handle is connected to one side of the rod, which is away from the mounting space.

3. A piston mounting apparatus according to claim 2, wherein the end of the ram remote from the handle is tapered.

4. The piston mounting apparatus according to claim 1, further comprising a support mechanism including two support members provided on the two fixing members, respectively, each of the support members including a support portion vertically connected to the fixing member and a connecting portion vertically connected to the support portion, the two connecting portions being partially stacked and detachably connected.

5. The piston mounting device according to claim 4, wherein the supporting portion is provided with a mounting hole, the corresponding fixing member is provided with a through hole, and one end of the movable member sequentially penetrates through the mounting hole and the through hole and extends towards the inside of the mounting space.

6. A piston mounting apparatus in accordance with claim 5 wherein the through-going bore is located at an intermediate position of the fixing member.

7. A piston mounting arrangement according to claim 4, wherein each connecting portion is provided with a plurality of connecting holes for receiving bolts, the connecting holes being evenly distributed along the length of the connecting portion, and the two connecting portions are connected by bolts passing through the connecting holes.

8. A piston mounting arrangement according to claim 4, wherein the support means further comprises a reinforcing member welded at both ends to the support portion and the connecting portion respectively.

9. The piston mounting device according to any one of claims 1 to 8, wherein the bracket comprises two parallel connecting pieces arranged at intervals, two ends of each fixing piece are respectively provided with a fixing hole, and two ends of each connecting piece are respectively penetrated through the corresponding fixing holes.

10. The piston mounting device according to claim 9, wherein the connecting member is a screw rod, a nut is sleeved on the screw rod, two ends of the screw rod are respectively arranged in the fixing holes of the two fixing members in a penetrating manner, and the nut is used for fixedly connecting the screw rod and the fixing members.