CN219403126U - Hydraulic dismounting structure of conical surface coupler - Google Patents
Hydraulic dismounting structure of conical surface coupler Download PDFInfo
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- CN219403126U CN219403126U CN202223556792.XU CN202223556792U CN219403126U CN 219403126 U CN219403126 U CN 219403126U CN 202223556792 U CN202223556792 U CN 202223556792U CN 219403126 U CN219403126 U CN 219403126U
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Abstract
The utility model provides a conical surface shaft coupling hydraulic pressure dismouting structure, including dismouting structure body, dismouting structure body comprises the main shaft, shaft coupling and high-pressure oil pipe, the main shaft stretches into inside the shaft coupling, the assembly groove that sets up on the main shaft is connected with high-pressure oil pipe's one end, be connected with the joint in its high-pressure oil pipe's the other end interpolation, the inside of this joint is provided with the first oilhole that runs through the joint, the one end of this first oilhole passes through the connecting pipe and links to each other with the high-pressure oil pump, its other end and assembly groove intercommunication, and connect the passageway that runs through the main shaft and be linked together with shaft coupling both sides inner wall respectively in the both sides of assembly groove, the one side outside cover that the high-pressure oil pipe is close to the shaft coupling is equipped with the sleeve, sleeve part card is gone into in the shaft coupling, its telescopic exposing part is established outside the hydraulic pressure cylinder sleeve card and is connected with the cover for guarantee that the high-pressure oil pump is fixed, set up the second oilhole on the hydraulic cylinder sleeve, this second oilhole is connected with the low-pressure oil pump through connecting pipe, the shaft coupling still is connected with the percentage meter.
Description
Technical Field
The utility model relates to a hydraulic dismounting structure of a conical surface coupler, which is used for the hydraulic dismounting technology of the conical surface coupler.
Background
In the prior art, the product coupler is usually connected by a red sleeve, and (1) the coupler cannot be removed when the carrier gear on the driving gear shaft is damaged on the gear type compressor, the coupler is required to be cut off, the carrier gear is reworked, a new coupler is purchased, and the driving shaft can be saved. (2) The single-shaft compressor adopts a high-low tooth labyrinth sealing mode (half mode), the leakage condition is higher than that of a compressor adopting a dry gas sealing mode or a carbon ring sealing mode, and the leakage condition is slightly insufficient on the machine type with strict requirement on the leakage quantity. If a sealing mode (integral sealing) with better sealing performance is adopted, the coupler must be free to disassemble and assemble and reliable and safe to connect. Therefore, a hydraulic dismounting structure of the conical surface coupler is designed to overcome the problems.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art, and provides the hydraulic dismounting structure of the conical surface coupler, which has the advantages of simple structure, convenient installation and dismounting, and reliable and safe free dismounting and connection of the coupler.
In order to achieve the above purpose, the utility model provides a hydraulic dismounting structure of a conical surface coupler, which comprises a dismounting structure body, wherein the dismounting structure body consists of a main shaft, a coupler and a high-pressure oil pipe, the main shaft stretches into the coupler, one end of the high-pressure oil pipe is connected with an assembly groove arranged on the main shaft, the other end of the high-pressure oil pipe is internally inserted and connected with a joint, a first oil hole penetrating through the joint is arranged in the joint, one end of the first oil hole is connected with a high-pressure oil pump through a connecting pipe, the other end of the first oil hole is communicated with the assembly groove, two sides of the assembly groove are respectively connected with channels penetrating through the main shaft and communicated with inner walls at two sides of the coupler, a sleeve is sleeved outside one side of the high-pressure oil pipe close to the coupler, a sleeve part is clamped into the coupler, an exposed part of the sleeve is sleeved with a hydraulic outer clamp arranged outside the high-pressure oil pipe and is used for guaranteeing connection fixation of the high-pressure oil pump and preventing the coupler from falling out, a second oil hole is arranged on a hydraulic outer cylinder sleeve, the second oil hole is connected with a low-pressure oil pump through a connecting pipe, and a dial indicator is also connected with the coupler.
As preferable: the depth of the assembly groove is larger than the length of the high-pressure oil pipe inserted into the assembly groove, a cavity for injecting high-pressure oil is formed, at least two channels communicated with the inner walls of the two sides of the coupler are respectively connected to the two sides of the cavity, after the high-pressure oil is injected into the cavity through the high-pressure oil pipe, the outer diameter of the spindle head of the spindle is reduced, the inner diameter of the coupler is enlarged, and interference connection between the spindle head and the coupler is ensured.
As preferable: the limiting grooves are formed in the opposite surfaces of the coupler and the sleeve, and are used for guiding during installation of the high-pressure oil pipe, so that the high-pressure oil pipe and the coupler can be conveniently installed and detached.
As preferable: install the copper gasket between high-pressure oil pipe and the shaft coupling, this high-pressure oil pipe is kept away from one side of shaft coupling and is provided with the mounting hole to be provided with the screw thread in the outside of joint, the joint card is gone into in the mounting hole and is connected with high-pressure oil pipe through the screw thread.
As preferable: and a pressure gauge and a control valve are arranged on the connecting pipe between the joint and the high-pressure oil pump and the connecting pipe between the hydraulic outer cylinder sleeve and the low-pressure oil pump.
As preferable: the hydraulic outer cylinder sleeve consists of a first hydraulic outer cylinder sleeve and a second hydraulic outer cylinder sleeve, wherein the second hydraulic outer cylinder sleeve is sleeved on the outer side of the first hydraulic outer cylinder sleeve, a distance for convenient disassembly is arranged between the first hydraulic outer cylinder sleeve and the second hydraulic outer cylinder sleeve, and a sealing ring is arranged at the joint of the first hydraulic outer cylinder sleeve and the second hydraulic outer cylinder sleeve.
As preferable: and long strip-shaped connecting bolts are arranged between the first hydraulic outer cylinder sleeve and the high-pressure oil pipe and between the chamber and the high-pressure oil pipe, and are used for ensuring stable installation and convenient disassembly of the high-pressure oil pipe.
According to the utility model, high-pressure oil is injected into the oil hole, so that the outer diameter of the shaft head of the contained part is reduced, the inner diameter of the coupler of the contained part is enlarged, meanwhile, in the process of injecting high-pressure hydraulic oil, the coupler of the contained part is pushed to move towards the large end, after the coupler of the contained part is pushed to a required position, the high-pressure oil is discharged, so that the inner diameter of the coupler of the contained part is reduced, the outer diameter of the shaft head of the contained part is expanded, and the matching surfaces are tightly sleeved, thereby achieving the interference connection purpose. The utility model has the advantages of simple structure, good concentricity, strong bearing capacity, capability of bearing variable load and impact force, and effective solving of the problems of free disassembly and assembly of the coupler, reliable connection and convenient maintenance.
Drawings
Fig. 1 is a schematic view of the mounting structure of the present utility model.
Fig. 2 is a schematic view of the utility model disassembled.
Detailed Description
To make the above objects, features and advantages of the present utility model more comprehensible, the following embodiments are presented in order to illustrate the present utility model, but the present utility model can be practiced in other manners different from those described herein, and thus the present utility model is not limited to the specific embodiments disclosed below.
In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model.
As shown in fig. 1, a hydraulic dismounting structure of a conical surface coupler comprises a dismounting structure body, the dismounting structure body is composed of a main shaft 1, a coupler 2 and a high-pressure oil pipe 3, the main shaft 1 stretches into the coupler 2, one end of the high-pressure oil pipe 3 is connected with an assembly groove 25 arranged on the main shaft 1, a joint 4 is inserted into the other end of the high-pressure oil pipe 3, a first oil hole 5 penetrating through the joint 4 is arranged in the joint 4, one end of the first oil hole 5 is connected with a high-pressure oil pump 7 through a connecting pipe 6, the other end of the first oil hole is communicated with the assembly groove 25, two sides of the assembly groove 25 are respectively connected with a channel 26 penetrating through the main shaft 1 and being communicated with two side inner walls of the coupler 2, a sleeve 8 is sleeved outside one side of the high-pressure oil pipe 3 close to the coupler 2, the sleeve 8 is partially clamped into the coupler 2, an exposed part of the sleeve 8 is clamped and connected with a hydraulic outer cylinder sleeve 9 sleeved outside the high-pressure oil pipe 3, the hydraulic outer cylinder sleeve 9 is used for guaranteeing the connection fixation of the high-pressure oil pump and preventing the coupler 2, a second oil hole 10 is arranged on the hydraulic outer cylinder sleeve 9, two sides of the hydraulic outer cylinder sleeve 9 are respectively connected with the high-pressure oil pump through a connecting pipe, two oil holes 10 are connected with a low-pressure oil pump 13 through a low-pressure oil meter, and a high pressure meter 13 is connected with the coupler through a high-pressure oil meter.
The depth of the assembly groove 25 is larger than the length of the high-pressure oil pipe 3 inserted into the assembly groove 25, a cavity 24 for injecting high-pressure oil is formed, at least two channels 26 communicated with the inner walls of the two sides of the coupler 2 are respectively connected to the two sides of the cavity 24, after the high-pressure oil is injected into the cavity 24 through the high-pressure oil pipe 3 and flows through the channels 26, the outer diameter of a spindle head of the spindle 1 is reduced, the inner diameter of the coupler 2 is enlarged, and interference connection between the spindle head 23 and the coupler 2 is ensured.
The limiting groove 18 is formed in the opposite surface of the coupler 2 and the sleeve 8, and the limiting groove 18 is used for guiding the high-pressure oil pipe 3 during installation, so that the high-pressure oil pipe 3 and the coupler 2 can be conveniently installed and detached.
As preferable: a copper gasket 19 is arranged between the high-pressure oil pipe 3 and the coupler 2, a mounting hole 20 is formed in one side, away from the coupler 2, of the high-pressure oil pipe 3, threads 27 are formed in the outer side of the joint 4, and the joint 4 is clamped into the mounting hole 20 and connected with the high-pressure oil pipe 3 through the threads 27.
The connecting pipe 6 between the joint 4 and the high-pressure oil pump and the connecting pipe 11 between the hydraulic outer cylinder sleeve 9 and the low-pressure oil pump 12 are respectively provided with a pressure gauge 21 and a control valve 22.
As preferable: the hydraulic outer cylinder sleeve 9 is composed of a first hydraulic outer cylinder sleeve 14 and a second hydraulic outer cylinder sleeve 15, wherein the second hydraulic outer cylinder sleeve 15 is sleeved on the outer side of the first hydraulic outer cylinder sleeve 14, a spacing 16 for convenient disassembly is arranged between the first hydraulic outer cylinder sleeve 14 and the second hydraulic outer cylinder sleeve 15, and a sealing ring 17 is arranged at the joint of the first hydraulic outer cylinder sleeve 14 and the second hydraulic outer cylinder sleeve 15.
The first hydraulic outer cylinder sleeve 14 and the high-pressure oil pipe 3 and the chamber 24 and the high-pressure oil pipe 3 are respectively provided with a strip-shaped connecting bolt 28 for ensuring the stable installation and convenient disassembly of the high-pressure oil pipe 3.
According to the utility model, high-pressure oil is injected between the spindle head and a conical matching surface (1:20) of the coupler through the hydraulic tool, so that the outer diameter of the spindle head is reduced, the inner diameter of the coupler is enlarged, meanwhile, in the process of injecting hydraulic oil, the coupler is pushed to move towards the large end, after the coupler is pushed to a required position, the high-pressure oil is discharged, so that the inner diameter of the coupler is reduced, the outer diameter of the spindle head is enlarged, and the matching surface is tightly sleeved, thereby achieving the interference coupling purpose.
The working process of the utility model is as follows:
as shown in fig. 1, this is a schematic structural diagram of a ready-to-install coupling, which operates as follows:
1. the shaft head is sleeved in the coupler, the coupler is manually pushed to be in position, the depth of the small head and the shaft head of the coupler is measured by a depth gauge,
and recording;
2. assembling the parts according to fig. 1;
3. locking the oil pump valve, pressurizing the high-pressure oil pump, discharging air in the shaft head, and pushing the oil pump under low pressure when oil overflow occurs
When the pressure is about 0.5MPa, stopping pressing, and adjusting a dial indicator, wherein the zero position is axially pushed;
4. the high-pressure pump is firstly pumped, the phenomenon of oil overflow or the pressure drop of the high-pressure oil gauge occurs, and then the low-pressure oil pump is started until the high-pressure oil is obtained
The principle of pressure maintaining is that the two oil pumps must be coordinated to maintain the pressure during the propelling process
In the state, stopping and operating again until the interference of the coupler meets the requirement, and marking to facilitate the next operation;
5. after the half coupling reaches a designated position, the high-pressure oil pump is firstly discharged, and the axial pressure of the low-pressure oil pump is continuously maintained
The oil pressure of the low-pressure pump is removed after more than 10min, so that the shaft coupler is tightly held on the shaft head;
6. and (3) rechecking the sizes of the shaft head and the end part of the coupler according to the step (1) to ensure the interference.
The load should be borne after 24 hours of press fitting.
Fig. 2 shows a schematic view of the structure of the coupling ready for disassembly, the disassembly operation being as follows:
1. when the coupler is disassembled, protective measures are needed to prevent the coupler from automatically popping up: oil pressure is applied to the inside of the oil cylinder to enable the inside and outside of the oil cylinder to be
The pulling distance is the pushing value of the coupler plus 2mm, the axial pushing oil cylinder is assembled according to the drawing, the threads of the oil cylinder are screwed, and the oil is fed
The cylinder internal pressurizing force is 0.1MPa (holding pressure);
2. before disassembly, checking and confirming whether the oil cylinder is sufficient in pulling distance (the pulling distance is more than or equal to the axial pushing amount +2mm gap when the oil cylinder is pressed in), starting the high-pressure oil pump to slowly inject high pressure, and loosening the pressure maintaining nut of the axial pushing pump when the oil spilling phenomenon occurs at the small end of the coupler or the coupler is disconnected, so that the coupler is finally disconnected.
The present utility model is not limited to the above-mentioned embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the technical scope of the present utility model are intended to be included in the scope of the present utility model.
Claims (7)
1. The utility model provides a conical surface shaft coupling hydraulic pressure dismouting structure, includes dismouting structure body, its characterized in that: the disassembly and assembly structure body consists of a main shaft (1), a coupler (2) and a high-pressure oil pipe (3), wherein the main shaft (1) stretches into the coupler (2), one end of the high-pressure oil pipe (3) is connected with an assembly groove (25) arranged on the main shaft (1), the other end of the high-pressure oil pipe (3) is inserted into and connected with a joint (4), a first oil hole (5) penetrating through the joint (4) is arranged in the joint (4), one end of the first oil hole (5) is connected with a high-pressure oil pump (7) through a connecting pipe (6), the other end of the first oil hole is communicated with the assembly groove (25), two sides of the assembly groove (25) are respectively connected with a channel (26) penetrating through the main shaft (1) and communicated with two side inner walls of the coupler (2), one side of the high-pressure oil pipe (3) close to the coupler (2) is sleeved with a sleeve (8), the exposed part of the sleeve (8) is clamped into the coupler (2), the exposed part of the sleeve (8) is clamped with an outer cylinder sleeve (9) sleeved on the outer side of the high-pressure oil pipe (3) to ensure that the sleeve (9) is connected with a hydraulic oil pump (10) fixedly connected with the second oil pump (10) through the second oil hole (10), the coupler (2) is also connected with a dial indicator (13).
2. The hydraulic cone coupler dismounting structure of claim 1 wherein: the depth of the assembly groove (25) is larger than the length of the high-pressure oil pipe (3) inserted into the assembly groove (25), a cavity (24) for injecting high-pressure oil is formed, at least two channels (26) communicated with the inner walls of the two sides of the shaft coupler (2) are respectively connected to the two sides of the cavity (24), and after the high-pressure oil is injected into the cavity (24) through the high-pressure oil pipe (3) and flows through the channels (26), the outer diameter of the shaft head (23) of the main shaft (1) is reduced, the inner diameter of the shaft coupler (2) is enlarged, and interference connection between the shaft head (23) and the shaft coupler (2) is ensured.
3. The hydraulic cone coupler dismounting structure of claim 2 wherein: the coupling is characterized in that a limiting groove (18) is formed in the opposite surface of the coupling (2) and the sleeve (8), and the limiting groove (18) is used for guiding the high-pressure oil pipe (3) during installation, so that the high-pressure oil pipe (3) and the coupling (2) can be conveniently installed and detached.
4. The hydraulic cone coupler dismounting structure of claim 3 wherein: install copper gasket (19) between high-pressure oil pipe (3) and shaft coupling (2), this high-pressure oil pipe (3) are kept away from one side of shaft coupling (2) and are provided with mounting hole (20) to be provided with the screw thread in the outside of joint (4), joint (4) card is gone into in mounting hole (20) and is connected with high-pressure oil pipe (3) through screw thread (27).
5. The hydraulic cone coupler dismounting structure of claim 4 wherein: the connecting pipe (6) between the joint (4) and the high-pressure oil pump and the connecting pipeline (11) between the hydraulic outer cylinder sleeve (9) and the low-pressure oil pump (12) are respectively provided with a pressure gauge (21) and a control valve (22).
6. The hydraulic cone coupler dismounting structure of claim 5 wherein: the hydraulic outer cylinder sleeve (9) consists of a first hydraulic outer cylinder sleeve (14) and a second hydraulic outer cylinder sleeve (15), wherein the second hydraulic outer cylinder sleeve (15) is sleeved on the outer side of the first hydraulic outer cylinder sleeve (14), a spacing (16) for convenient disassembly is arranged between the first hydraulic outer cylinder sleeve (14) and the second hydraulic outer cylinder sleeve (15), and a sealing ring (17) is arranged at the joint of the first hydraulic outer cylinder sleeve (14) and the second hydraulic outer cylinder sleeve (15).
7. The hydraulic cone coupler dismounting structure of claim 6 wherein: the first hydraulic outer cylinder sleeve (14) and the high-pressure oil pipe (3) and the long-strip-shaped connecting bolts (28) are arranged between the chamber (24) and the high-pressure oil pipe (3) and used for guaranteeing stable installation and convenient disassembly of the high-pressure oil pipe (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223556792.XU CN219403126U (en) | 2022-12-30 | 2022-12-30 | Hydraulic dismounting structure of conical surface coupler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223556792.XU CN219403126U (en) | 2022-12-30 | 2022-12-30 | Hydraulic dismounting structure of conical surface coupler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219403126U true CN219403126U (en) | 2023-07-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223556792.XU Active CN219403126U (en) | 2022-12-30 | 2022-12-30 | Hydraulic dismounting structure of conical surface coupler |
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| Country | Link |
|---|---|
| CN (1) | CN219403126U (en) |
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2022
- 2022-12-30 CN CN202223556792.XU patent/CN219403126U/en active Active
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