CN212886079U - Cylinder disassembling and assembling machine in multistage hydraulic oil cylinder - Google Patents
Cylinder disassembling and assembling machine in multistage hydraulic oil cylinder Download PDFInfo
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- CN212886079U CN212886079U CN202021183456.3U CN202021183456U CN212886079U CN 212886079 U CN212886079 U CN 212886079U CN 202021183456 U CN202021183456 U CN 202021183456U CN 212886079 U CN212886079 U CN 212886079U
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Abstract
The utility model discloses a multi-stage hydraulic oil cylinder middle cylinder dismounting machine, which solves the problem that the middle cylinder and the guide sleeve of the prior device are inconvenient to dismount, and is characterized by comprising a fixed frame, a middle cylinder fixed seat, a clamping hydraulic cylinder, an upper chuck, a lower clamping disc, a movable frame, a machine body and a driving assembly; the fixed frame comprises an upper U-shaped frame, and the movable frame is provided with a sliding seat capable of moving up and down; the sliding seat is provided with a middle cylinder fixing seat, and the middle cylinder fixing seat is provided with a fixing frame; the fixed frame is placed into a middle cylinder, and the middle cylinder comprises a first non-sealing surface and a second non-sealing surface; an upper chuck is placed in the first non-sealing surface of the middle cylinder, and the lower clamping disk contacts the second non-sealing surface of the middle cylinder. The utility model discloses utilize the pneumatic cylinder to realize the clamp force, the tight friction surface of clamp is done to the surface of the non-sealing face part of the bottom of jar in utilizing, and the moment of torsion that brings by the dismantlement is acted on the mount, and the standard operation that the jar was installed and removed in the realization especially can demolish the more serious uide bushing of corrosion more easily.
Description
Technical Field
The utility model relates to a dismounting device, more precisely relate to a device that multistage hydraulic cylinder's well jar and uide bushing were installed and removed.
Background
The middle cylinder and the guide sleeve of the multi-stage hydraulic oil cylinder are connected through threads, so that the middle cylinder needs to be fixed during installation and disassembly, then the guide sleeve needs to be screwed on or off, particularly, when the guide sleeve of an old cylinder is disassembled, a particularly large moment is needed for disassembly due to corrosion, deformation and the like, for example, hundreds of thousands of even hundreds of thousands of N.M and the like. This requires a great clamping force to be applied to the cylinder to ensure that the corresponding friction forces generate a counter torque which counteracts the removal torque. On the contrary, in the external structure of the middle cylinder, the outer cylindrical surface is a sealing surface, almost all the outer circles can not be clamped, only limited non-sealing surfaces can be clamped, and how to utilize the limited sealing surfaces to realize effective clamping and generate corresponding torque capable of resisting disassembly torque is a problem which needs to be carefully considered by a designer. At ordinary times, people often adopt a method of welding an anti-rotation gripper, and the gripper is removed after being assembled and disassembled, so that the gripper is troublesome and not standard.
Disclosure of Invention
The utility model aims to overcome the not enough of prior art and provide a jar dismouting machine in multistage hydraulic cylinder utilizes hydraulic pressure power centre gripping, and the jar is installed and removed in the realization, can demolish the more serious uide bushing of corrosion more easily.
The utility model is characterized in that: the clamping device comprises a fixed frame, a middle cylinder fixed seat, a clamping hydraulic cylinder, an upper chuck, a lower clamping disc, a movable frame, a lathe bed and a driving assembly;
the fixed frame comprises an upper U-shaped frame, and the movable frame is provided with a sliding seat capable of moving up and down;
the sliding seat is provided with a middle cylinder fixing seat, and the middle cylinder fixing seat is provided with a fixing frame; the fixing frame is placed into a middle cylinder, and the middle cylinder comprises a first non-sealing surface and a second non-sealing surface; an upper chuck is arranged in a first non-sealing surface of the middle cylinder, and the upper plane of the upper chuck is lower than the upper U-shaped frame of the fixed frame; a lower clamping disc is arranged at the head of a piston rod of the middle cylinder and contacts a second non-sealing surface of the middle cylinder;
the clamping hydraulic cylinder is arranged at the lower part of the middle cylinder; the clamping hydraulic cylinder pushes the lower clamping disc to move upwards until the upper chuck is tightly attached to the upper U-shaped frame of the fixing frame, and the clamping hydraulic cylinder is continuously pressurized to clamp the lower end of the middle cylinder;
the lathe bed and the driving assembly comprise a base, a motor, a transmission system, a lifting device and a lathe bed, wherein the lifting device is arranged on the lathe bed, and the motor and the transmission system are connected with the lifting device.
According to the above technical scheme, the utility model discloses following beneficial effect has: the hydraulic cylinder is used for realizing clamping force, the outer surface of the non-sealing surface part at the bottom of the middle cylinder is used as a clamping friction surface, and torque brought by disassembly acts on the fixed frame, so that the standard operation of assembling and disassembling the middle cylinder is realized, and particularly, the guide sleeve with serious corrosion can be easily disassembled.
Drawings
Fig. 1 is a schematic structural view of a middle cylinder.
Fig. 2 is a schematic structural diagram of the present invention.
In the figure, 1, a middle cylinder, 11, a first non-sealing surface, 12, a second non-sealing surface and 13, a guide sleeve connecting thread; 2. the device comprises a middle cylinder guide sleeve, 3 parts of a fixed frame, 31 parts of an upper U-shaped frame, 4 parts of a middle cylinder fixed seat, 5 parts of a clamping hydraulic cylinder, 6 parts of an upper chuck, 7 parts of a lower clamping disc, 8 parts of a movable frame and 81 parts of a sliding seat;
9. the machine tool comprises a machine tool body and driving assembly, 91 a base, 92 a motor and transmission system, 93 a lifting device and 94 the machine tool body.
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.
As shown in fig. 1, the middle cylinder 1 includes a first non-sealing surface 11, a second non-sealing surface 12, and a guide sleeve coupling thread 13 at the end connected to the guide sleeve 2. The utility model discloses utilize first non-sealing face 11, the sealed face 12 of second non-to do and press from both sides tight friction surface.
As shown in fig. 2, the utility model discloses constitute a tight fixed knot of clamp by mount 3, well jar fixing base 4, clamping cylinder 5, upper chuck 6, lower clamping disk 7, moving frame 8 etc. and construct. The fixing frame 3 comprises an upper U-shaped frame 31, the movable frame 8 is provided with a sliding seat 81 capable of moving up and down, and the height of the sliding seat 81 can be adjusted to adapt to workpieces with different lengths.
The sliding seat 81 is provided with a middle cylinder fixing seat 4, and the middle cylinder fixing seat 4 is provided with a fixing frame 3. The middle cylinder 1 is placed into the fixing frame 3 from the side. An upper chuck 6 is arranged in the first non-sealing surface 11 of the middle cylinder 1, and the upper plane of the upper chuck 6 is lower than the upper U-shaped frame 31 of the fixing frame 3. A lower clamping disk 7 is arranged at the head of a piston rod of the middle cylinder 1, and the lower clamping disk 7 contacts a second non-sealing surface 12 (namely the lower end surface of the middle cylinder) of the middle cylinder 1.
The clamping hydraulic cylinder 5 is arranged at the lower part of the middle cylinder 1. The clamping hydraulic cylinder 5 pushes the lower clamping disc 7 to move upwards to drive the middle cylinder 1 to move upwards until the upper chuck 6 is tightly attached to the upper U-shaped frame 31 of the fixed frame 3, and the clamping hydraulic cylinder 5 is continuously pressurized to clamp the lower end of the middle cylinder 1.
The upper chuck 6 and the lower clamping disk 7 are designed in a matching way according to the specification and the mechanism form of the middle cylinder body. The specifications and mechanisms are closely interchangeable.
As shown in fig. 2, the utility model discloses still include lathe bed and drive assembly 9, drive assembly 9 include base 91, motor and transmission 92, elevating gear 93, lathe bed 94. The bed 94 is provided with a lifting device 93, and the motor and transmission device 92 is connected with the lifting device 93. The motor and transmission 92 moves up and down by a lifting device 93 provided on the bed 94.
The moving frame 8 is connected to the base 91 and is movable on the base 91, and when moved to a suitable position below the motor and transmission 92, the guide sleeve 2 of the centering cylinder 1 is attached and detached.
Claims (1)
1. A middle cylinder dismounting machine of a multistage hydraulic cylinder comprises a fixed frame (3), a middle cylinder fixed seat (4), a clamping hydraulic cylinder (5), an upper chuck (6), a lower clamping disc (7), a movable frame (8), a machine body and a driving assembly (9);
the fixed frame (3) comprises an upper U-shaped frame (31), and the movable frame (8) is provided with a sliding seat (81) capable of moving up and down;
the sliding seat (81) is provided with a middle cylinder fixing seat (4), and the middle cylinder fixing seat (4) is provided with a fixing frame (3); the fixing frame (3) is placed into the middle cylinder (1), and the middle cylinder (1) comprises a first non-sealing surface (11) and a second non-sealing surface (12); an upper chuck (6) is arranged in a first non-sealing surface (11) of the middle cylinder (1), and the upper plane of the upper chuck (6) is lower than an upper U-shaped frame (31) of the fixed frame (3); a lower clamping disc (7) is arranged at the head of a piston rod of the middle cylinder (1), and the lower clamping disc (7) is in contact with a second non-sealing surface (12) of the middle cylinder (1);
the clamping hydraulic cylinder (5) is arranged at the lower part of the middle cylinder (1); the clamping hydraulic cylinder (5) pushes the lower clamping disc (7) to move upwards until the upper chuck (6) is attached to the upper U-shaped frame (31) of the fixed frame (3), and the clamping hydraulic cylinder (5) is continuously pressurized to clamp the lower end of the middle cylinder (1);
the lathe bed and the driving assembly (9) comprise a base (91), a motor and transmission system (92), a lifting device (93) and a lathe bed (94), wherein the lifting device (93) is arranged on the lathe bed (94), and the motor and transmission system (92) is connected with the lifting device (93).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021183456.3U CN212886079U (en) | 2020-06-23 | 2020-06-23 | Cylinder disassembling and assembling machine in multistage hydraulic oil cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021183456.3U CN212886079U (en) | 2020-06-23 | 2020-06-23 | Cylinder disassembling and assembling machine in multistage hydraulic oil cylinder |
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| Publication Number | Publication Date |
|---|---|
| CN212886079U true CN212886079U (en) | 2021-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021183456.3U Active CN212886079U (en) | 2020-06-23 | 2020-06-23 | Cylinder disassembling and assembling machine in multistage hydraulic oil cylinder |
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| CN (1) | CN212886079U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111702461A (en) * | 2020-06-23 | 2020-09-25 | 安徽久一矿山机械有限公司 | Middle cylinder and guide sleeve dismounting device of multistage hydraulic oil cylinder |
-
2020
- 2020-06-23 CN CN202021183456.3U patent/CN212886079U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111702461A (en) * | 2020-06-23 | 2020-09-25 | 安徽久一矿山机械有限公司 | Middle cylinder and guide sleeve dismounting device of multistage hydraulic oil cylinder |
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