CN210499128U - Press mounting device for assembling interference fit parts - Google Patents
Press mounting device for assembling interference fit parts Download PDFInfo
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- CN210499128U CN210499128U CN201921066408.3U CN201921066408U CN210499128U CN 210499128 U CN210499128 U CN 210499128U CN 201921066408 U CN201921066408 U CN 201921066408U CN 210499128 U CN210499128 U CN 210499128U
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- Prior art keywords
- interference fit
- hole
- screw rod
- claw
- hollow jack
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- 238000003825 pressing Methods 0.000 claims description 34
- 210000004907 gland Anatomy 0.000 claims description 33
- 210000000078 claw Anatomy 0.000 claims 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 abstract description 4
- 229910052802 copper Inorganic materials 0.000 abstract description 4
- 239000010949 copper Substances 0.000 abstract description 4
- 239000003245 coal Substances 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
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Abstract
The utility model provides a pressure equipment device is used in interference fit part equipment, relate to part equipment technical field, including stop device, pressure applying device, claw-shaped capping device, stop device limits pressure applying device's direction of application of pressure downwards, claw-shaped capping device and the contact of pressure applying device bottom, the hole part of interference fit part and the bottom contact of claw-shaped capping device, pressure applying device directly applys pressure for claw-shaped capping device, indirectly applys pressure for the hole part of interference fit part, claw-shaped capping device makes the even atress of hole part of interference fit part establish downwards on the shaft part of interference fit part, realize not using the copper bar to strike or beat the mode that the cover struck and can assemble the shaft part of interference fit part and interference fit's hole part.
Description
Technical Field
The utility model relates to a part equipment technical field, concretely relates to press fitting device is used in interference fit part equipment.
Background
Interference fit parts, such as a chain wheel shaft group, a crushing shaft group, a roller, a torque limiting clutch and other products are main rotating parts for underground coal mining, coal transportation and coal crushing, and are relatively precise mechanical parts, the requirement on the in-place assembly of the parts is high, and the working quality and the service life of the parts are directly determined by whether the parts are in place or not.
At the present stage, the assembly of the interference fit component adopts a mode that a copper rod knocks or a sleeve knocks a hole part of the interference fit component, and the hole part is pressed and sleeved on a shaft component of the interference fit component.
Disclosure of Invention
In view of the above, it is desirable to provide a press-fitting device for assembling an interference fit component, which can assemble a shaft component of the interference fit component and a hole component of the interference fit component without using a copper bar knocking or a sleeving knocking manner.
The utility model provides a press fitting device is used in interference fit part equipment to assemble the hole part of interference fit part and the shaft part of interference fit part, its characterized in that: the device comprises a limiting device, a pressing device and a claw-shaped gland device, wherein the pressing device is arranged at the upper part of the center of the claw-shaped gland device to apply pressure to the claw-shaped gland device, and the bottom of the claw-shaped gland device is directly contacted with a hole part of an interference fit component to enable the claw-shaped gland device to apply pressure to the hole part of the interference fit component; the limiting device comprises a lengthened screw rod and a limiting nut matched with the lengthened screw rod, the pressure applying device comprises a hollow jack, a first screw rod through hole is formed in the center of the claw-shaped gland device, the first screw rod through hole of the claw-shaped gland device and the central hole of the hollow jack are positioned on the same straight line, the lengthened screw rod sequentially penetrates through the central hole of the hollow jack, the first screw rod through hole of the claw-shaped gland device and is in threaded connection with an axial central hole of a shaft component of the interference fit component, the lengthened screw rod is not contacted with the hollow jack and the claw-shaped gland device, the limit nut is screwed in from the lengthened screw rod positioned at the upper part of the hollow jack to tightly press the top part of the hollow jack, so that the hollow jack increases the pressure, the lengthened screw rod and the limiting nut are matched for limiting, the claw-shaped gland device is used for applying pressure to the hole parts of the interference fit parts, and the hole parts of the interference fit parts are pressed and sleeved on the shaft parts of the interference fit parts.
Preferably, the limiting device further comprises a limiting gasket, a second screw rod through hole is formed in the center of the limiting gasket, the diameter of the second screw rod through hole is larger than the diameter of the screw rod and smaller than the outer diameter of the limiting nut, the limiting gasket is sleeved on the screw rod through the second screw rod through hole, one surface of the limiting gasket is tightly pressed by the limiting nut, and the other surface of the limiting gasket is tightly pressed on the top of the hollow jack, so that the contact area between the top of the hollow jack and the limiting device is increased.
Preferably, the pressure applying device further comprises a manual dry oil pump, an inlet of the manual dry oil pump is communicated with an outlet of the hollow jack through a hydraulic pipe, an outlet of the manual dry oil pump is communicated with an inlet of the hollow jack through a hydraulic pipe to form hydraulic circulation, and a pressure gauge is arranged on the manual dry oil pump to judge the increasing or decreasing pressure value of the manual dry oil pump through the pressure gauge so as to judge the lengthening or shrinking range of the hollow jack.
Preferably, the claw-shaped gland device comprises a central disc, at least three supporting rods, at least three sliding blocks and at least three pressing plates, the hollow jack is arranged at the upper part of the central disc, the bottom of the hollow jack is contacted with the upper part of the central disc, the central disc is horizontally arranged, the outer side wall of the central disc is fixedly connected with one supporting rod at intervals of the same distance, the supporting rods and the central disc are positioned in the same plane, each supporting rod is connected with each sliding block in a sliding way, so that the slide blocks can slide along the length direction of the supporting rods, each slide block is fixedly connected with each pressure plate, the sliding block drives the pressing plates to slide to enlarge or reduce the area surrounded by all the pressing plates, each pressing plate is perpendicular to the corresponding supporting rod, and the bottom of each pressing plate is in direct contact with the hole parts of the interference fit parts, so that the pressing plates apply pressure to the hole parts of the interference fit parts.
Preferably, the claw-shaped gland device further comprises a limiting block, and the limiting block is arranged on the supporting rod and close to the other end of the supporting rod so as to prevent the sliding block from sliding off the supporting rod.
Preferably, the center of the central disc is provided with a groove, the area of the groove is not smaller than the area of the bottom of the hollow jack, so that the bottom of the hollow jack can be embedded in the groove, the first screw rod through hole is formed in the center of the groove, and the first screw rod through hole and the central hole of the hollow jack are located on the same straight line, so that the lengthening screw rod can sequentially penetrate through the central hole of the hollow jack and the first screw rod through hole.
Preferably, one surface of the pressure plate close to the disc is a concave arc surface so as to adapt to the shape of the hole part of the interference fit part.
The utility model adopts the above technical scheme, its beneficial effect lies in: the limiting device limits the pressing direction of the pressing device to be downward, the claw-shaped gland device is contacted with the bottom of the pressing device, the hole parts of the interference fit parts are contacted with the bottom of the claw-shaped gland device, the pressing device directly applies pressure to the claw-shaped gland device and indirectly applies pressure to the hole parts of the interference fit parts, the claw-shaped gland device enables the hole parts of the interference fit parts to be uniformly stressed and downwards sleeved on the shaft parts of the interference fit parts, and the shaft parts and the hole parts of the interference fit parts can be assembled without copper bar knocking or sleeving knocking.
Drawings
Fig. 1 is a schematic structural view of a press-fitting device for assembling interference fit components.
Fig. 2 is a schematic structural view of the pressing device.
Fig. 3 is a schematic structural diagram of the claw-shaped capping device.
In the figure: the press-fitting device 10 for assembling the interference fit component, the limiting device 20, the lengthened screw 21, the limiting nut 22, the limiting gasket 23, the pressing device 30, the hollow jack 31, the manual dry oil pump 32, the pressure gauge 321, the hydraulic pipe 33, the claw-shaped gland device 40, the central disc 41, the first screw through hole 411, the support rod 42, the sliding block 43, the pressing plate 44 and the limiting block 45.
Detailed Description
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Referring to fig. 1 to 3, an embodiment of the present invention provides a press-fitting device 10 for assembling an interference fit component, so as to assemble a hole component of the interference fit component with a shaft component of the interference fit component, which is characterized in that: the pressing device 30 is arranged at the upper part of the center of the claw-shaped gland device 40 to apply pressure to the claw-shaped gland device 40, and the bottom of the claw-shaped gland device 40 is directly contacted with hole parts of interference fit components to enable the claw-shaped gland device 40 to apply pressure to the hole parts of the interference fit components; the limiting device 20 comprises a lengthened screw rod 21 and a limiting nut 22 matched with the lengthened screw rod 21, the pressure applying device 30 comprises a hollow jack 31, a first screw rod through hole 411 is formed in the center of the claw-shaped gland device 40, the first screw rod through hole 411 of the claw-shaped gland device 40 and the central hole of the hollow jack 31 are located on the same straight line, the lengthened screw rod 21 sequentially penetrates through the central hole of the hollow jack 31 and the first screw rod through hole 411 of the claw-shaped gland device 40 to be in threaded connection with the axial central hole of the shaft part of the interference fit part, the lengthened screw rod 21 is not in contact with the hollow jack 31 and the claw-shaped gland device 40, the limiting nut 22 is screwed into the top of the hollow compression jack 31 through the lengthened screw rod 21 located at the upper part of the hollow jack 31, so that the hollow jack 31 increases pressure, is limited by the cooperation of the lengthened screw rod 21 and the limiting nut 22 and applies pressure to the hole part of the interference, and pressing and sleeving the hole part of the interference fit part on the shaft part of the interference fit part.
Further, the limiting device 20 further comprises a limiting gasket 23, a second screw rod through hole is formed in the center of the limiting gasket 23, the diameter of the second screw rod through hole is larger than the diameter of the screw rod and smaller than the outer diameter of the limiting nut 22, the limiting gasket 23 is sleeved on the screw rod through the second screw rod through hole, one surface of the limiting gasket 23 is tightly pressed by the limiting nut 22, and the other surface of the limiting gasket 23 is tightly pressed on the top of the hollow jack 31, so that the contact area between the top of the hollow jack 31 and the limiting device 20 is increased.
Further, the pressure applying device 30 further includes a manual dry oil pump 32, an inlet of the manual dry oil pump 32 is communicated with an outlet of the hollow jack 31 through a hydraulic pipe 33, an outlet of the manual dry oil pump 32 is communicated with an inlet of the hollow jack 31 through the hydraulic pipe 33 to form a hydraulic cycle, and a pressure gauge 321 is disposed on the manual dry oil pump 32 to determine a pressure value increased or decreased by the manual dry oil pump 32 through the pressure gauge 321 to determine a range of lengthening or shortening of the hollow jack 31.
Further, the claw-shaped capping device 40 includes a central disc 41, three supporting rods 42, three sliding blocks 43, and three pressing plates 44, the hollow jack 31 is disposed on the upper portion of the central disc 41, the bottom of the hollow jack 31 contacts with the upper portion of the central disc 41, the central disc 41 is horizontally disposed, one supporting rod 42 is fixedly connected to the outer side wall of the central disc 41 at the same distance, the supporting rods 42 and the central disc 41 are located in the same plane, each supporting rod 42 is slidably connected to each sliding block 43, so that the sliding block 43 can slide along the length direction of the supporting rod 42, each sliding block 43 is fixedly connected to each pressing plate 44, so that the sliding block 43 drives the pressing plate 44 to slide to expand or reduce the area surrounded by all the pressing plates 44, each pressing plate 44 is perpendicular to the corresponding supporting rod 42, the bottom of each pressing plate 44 directly contacts with the hole part of the interference fit part, so that the pressing plate 44 applies pressure to the hole, the three pressure pads 44 uniformly apply force to the aperture members of the interference fit components to ensure that the force applied to the aperture members of the interference fit components is equal throughout.
Furthermore, the bottom of each slider 43 is provided with a positioning groove adapted to the pressing plate 44, so that the pressing plate 44 is embedded in the positioning groove, and the pressing plate 44 is further provided with a first threaded hole at the position where the positioning groove is provided, so that the pressing plate 44 is embedded in the positioning groove and fixed in the positioning groove by a fastening screw screwed into the first threaded hole.
Further, the claw-shaped capping device 40 further includes a limiting block 45, the limiting block 45 is disposed on the supporting rod 42 and close to the other end of the supporting rod 42 to prevent the sliding block 43 from sliding away from the supporting rod 42, the limiting block 45 is a bolt, and a second threaded hole matched with the limiting block 45 is formed in the supporting rod 42 close to the other end of the supporting rod 42, so that the second threaded hole is in threaded connection with the limiting block 45.
Further, the center of the central disc 41 is provided with a groove, the area of the groove is not smaller than the area of the bottom of the hollow jack 31, so that the bottom of the hollow jack 31 can be embedded in the groove, the first screw rod through hole 411 is arranged at the center of the groove, the first screw rod through hole 411 and the central hole of the hollow jack 31 are located on the same straight line, and the lengthening screw rod 21 can sequentially penetrate through the central hole of the hollow jack 31 and the first screw rod through hole 411.
Furthermore, one surface of the pressing plate 44 close to the disc is a concave arc surface to adapt to the shape of a hole part of the interference fit part, and the diameter adjusting range of a circular area surrounded by the three pressing plates 44 is phi 200-phi 350.
When the device is used in detail, the sliding block 43 is slid to a proper position according to the diameter of the hole part of the interference fit part, the bottom of the pressure plate 44 is contacted with the hole part of the interference fit part, the lengthening screw 21 passes through the first screw through hole 411 of the central disc 41 and is screwed into the central hole of the shaft part of the interference fit part, the hollow jack 31 is sleeved into the lengthening screw 21 from the upper part of the central disc 41 through the central hole and is placed in the groove of the central disc 41, a part of the lengthening screw 21 is reserved at the upper part of the hollow jack 31, the limiting gasket 23 is sleeved into the lengthening screw 21 from the upper part of the hollow jack 31, the limiting nut 22 is screwed into the lengthening screw 21 from the upper part of the hollow jack 31 and is tightly pressed on the hollow jack 31, the pressure of the manual dry oil pump 32 is adjusted to lengthen the hollow jack 31, and the hollow jack 31 is limited by the limiting, pressure is applied downwards to the central disc 41, the central disc 41 distributes the pressure to the pressure plate 44, and the pressure plate 44 transmits the pressure to the hole parts of the interference fit parts, and the hole parts are pressed and sleeved on the shaft parts of the interference fit parts.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.
Claims (7)
1. The utility model provides a press fitting device is used in interference fit part equipment to assemble the hole part of interference fit part and the shaft part of interference fit part, its characterized in that: the device comprises a limiting device, a pressing device and a claw-shaped gland device, wherein the pressing device is arranged at the upper part of the center of the claw-shaped gland device, and the bottom of the claw-shaped gland device is directly contacted with a hole part of an interference fit component; the limiting device comprises a lengthened screw rod and a limiting nut matched with the lengthened screw rod, the pressing device comprises a hollow jack, a first screw rod through hole is formed in the center of the claw-shaped gland device, the first screw rod through hole of the claw-shaped gland device and the central hole of the hollow jack are located on the same straight line, the lengthened screw rod sequentially penetrates through the central hole of the hollow jack, the first screw rod through hole of the claw-shaped gland device is in threaded connection with the axial central hole of the shaft part of the interference fit component, the lengthened screw rod is not in contact with the hollow jack and the claw-shaped gland device, and the limiting nut is screwed in the lengthened screw rod located on the upper portion of the hollow jack to the top of the compressed hollow jack.
2. A press-fitting device for assembling interference fit parts according to claim 1, wherein: the limiting device further comprises a limiting gasket, a second screw rod through hole is formed in the center of the limiting gasket, the diameter of the second screw rod through hole is larger than the diameter of the screw rod and smaller than the outer diameter of the limiting nut, the limiting gasket is sleeved on the screw rod through the second screw rod through hole, one surface of the limiting gasket is tightly pressed by the limiting nut, and the other surface of the limiting gasket is tightly pressed on the top of the hollow jack.
3. A press-fitting device for assembling interference fit parts according to claim 1, wherein: the pressure applying device further comprises a manual dry oil pump, an inlet of the manual dry oil pump is communicated with an outlet of the hollow jack through a hydraulic pipe, an outlet of the manual dry oil pump is communicated with an inlet of the hollow jack through a hydraulic pipe, and a pressure gauge is arranged on the manual dry oil pump.
4. A press-fitting device for assembling interference fit parts according to claim 1, wherein: claw form capping device includes central disc, be no less than three branch, be no less than three slider, be no less than three clamp plate, hollow jack sets up the bottom and the upper portion contact of central disc on central disc upper portion and hollow jack, central disc level sets up, the same distance fixedly connected with of lateral wall every interval of central disc branch, branch and central disc are located the coplanar, each branch and each slider sliding connection, each slider and each clamp plate fixed connection, each clamp plate all is perpendicular with its branch that corresponds, the bottom of each clamp plate all with the hole part direct contact of interference fit part.
5. A press-fitting device for assembling interference fit parts according to claim 4, wherein: the claw-shaped gland device further comprises a limiting block, and the limiting block is arranged on the supporting rod and is close to the other end of the supporting rod.
6. A press-fitting device for assembling interference fit parts according to claim 5, wherein: the center of the central disc is provided with a groove, the area of the groove is not smaller than the area of the bottom of the hollow jack, the first screw rod through hole is formed in the center of the groove, and the first screw rod through hole and the central hole of the hollow jack are located on the same straight line.
7. A press-fitting device for assembling interference fit parts according to any one of claims 4 to 6, wherein: one side of the pressure plate close to the disc is a concave arc surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921066408.3U CN210499128U (en) | 2019-07-09 | 2019-07-09 | Press mounting device for assembling interference fit parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921066408.3U CN210499128U (en) | 2019-07-09 | 2019-07-09 | Press mounting device for assembling interference fit parts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210499128U true CN210499128U (en) | 2020-05-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921066408.3U Active CN210499128U (en) | 2019-07-09 | 2019-07-09 | Press mounting device for assembling interference fit parts |
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|---|---|
| CN (1) | CN210499128U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112428214A (en) * | 2020-11-09 | 2021-03-02 | 上海中船三井造船柴油机有限公司 | Tool and method for mounting main bearing cap of dual-fuel diesel engine base |
| CN114739887A (en) * | 2022-04-27 | 2022-07-12 | 中国矿业大学 | Device and method for testing hydrogen permeability of high polymer material by temperature-changing load-changing steady state method |
-
2019
- 2019-07-09 CN CN201921066408.3U patent/CN210499128U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112428214A (en) * | 2020-11-09 | 2021-03-02 | 上海中船三井造船柴油机有限公司 | Tool and method for mounting main bearing cap of dual-fuel diesel engine base |
| CN112428214B (en) * | 2020-11-09 | 2022-06-24 | 上海中船三井造船柴油机有限公司 | Tool and method for mounting main bearing cap of dual-fuel diesel engine base |
| CN114739887A (en) * | 2022-04-27 | 2022-07-12 | 中国矿业大学 | Device and method for testing hydrogen permeability of high polymer material by temperature-changing load-changing steady state method |
| CN114739887B (en) * | 2022-04-27 | 2023-12-12 | 中国矿业大学 | Device and method for testing hydrogen permeability of high polymer material by variable temperature and variable load steady state method |
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