CN111531502A - Adjustable inner flange dismounting device - Google Patents
Adjustable inner flange dismounting device Download PDFInfo
- Publication number
- CN111531502A CN111531502A CN202010548131.9A CN202010548131A CN111531502A CN 111531502 A CN111531502 A CN 111531502A CN 202010548131 A CN202010548131 A CN 202010548131A CN 111531502 A CN111531502 A CN 111531502A
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- CN
- China
- Prior art keywords
- positioning plate
- handle
- movable block
- inner flange
- plate
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
Abstract
An adjustable inner flange dismounting device comprises a handle, wherein a fixing ring, a middle positioning plate, a movable block, a bottom positioning plate and a supporting plate are arranged on a long shaft of the handle at intervals from top to bottom, the middle parts of the fixing ring, the middle positioning plate, the bottom positioning plate and the supporting plate are all provided with a central round hole, the central round hole is matched with the long shaft, the middle part of the movable block is provided with an internal thread which is in threaded fit with the long shaft, the bottom of the middle positioning plate is positioned by a positioning nut, a plurality of supporting rods are uniformly distributed at intervals in the circumferential direction of the middle positioning plate, the head parts of the supporting rods are connected with the middle positioning plate through pin shafts, the tail parts of the supporting rods are provided with hook-shaped; the height of the movable block is adjusted by rotating the handle by utilizing a lead screw transmission principle, the opening range of the supporting rod is adjusted by utilizing the movable block, the tail end of the supporting rod is hooked on the end face of the inner flange, and then the inner flange is pulled out forcibly, so that the inner flange can be detached.
Description
Technical Field
The invention relates to the technical field of flange dismounting devices, in particular to an adjustable inner flange dismounting device.
Background
In the underwater robot, the pressure-resistant cabin provides a closed environment for electronic equipment of the underwater robot, and stable operation of the electronic equipment is ensured. Usually, two sealing modes, namely end face sealing and radial sealing, can be used in the design of the pressure-resistant cabin, and the diameter of the pressure-resistant cabin can be increased to a certain extent by the end face sealing mode, so that the radial sealing mode can be selected under the condition of space constraint. And in the radial seal mode, the flange is difficult to dismantle, can generally reserve the screw hole in the design process and be used for dismantling, nevertheless dismantles back screw thread many times and can receive destruction, just can't play the purpose of dismantling the flange again, and the flange is dismantled this moment and just can't find suitable stress point, is unfavorable for the dismantlement of flange. If the flange can not be detached in time, the maintenance of the pressure-resistant cabin can be influenced, and the use of the underwater robot is further influenced.
Disclosure of Invention
The applicant provides an adjustable inner flange dismounting device aiming at the defects in the prior art, so that the height of the movable block is adjusted by rotating the handle according to the lead screw transmission principle, the opening range of the supporting rod is adjusted by the movable block, the tail end of the supporting rod is hooked on the end face of the inner flange, then the inner flange is pulled out forcibly, the dismounting of the inner flange can be completed, the dismounting of the flange is guaranteed to be completed in time under the condition that the reserved threaded hole fails, and the maintenance efficiency of the underwater robot is effectively improved.
The technical scheme adopted by the invention is as follows:
an adjustable inner flange dismounting device comprises a handle, wherein fixing rings, a middle positioning plate, movable blocks, a bottom positioning plate and a supporting plate are arranged on a long shaft of the handle at intervals from top to bottom, the middle parts of the fixing rings, the middle positioning plate, the bottom positioning plate and the supporting plate are all provided with central round holes, the central round holes are matched with the long shaft, the middle parts of the movable blocks are provided with internal threads which are in threaded fit with the long shaft, the bottom of the middle positioning plate is positioned through positioning nuts, a plurality of supporting rods are uniformly distributed at intervals in the circumferential direction of the middle positioning plate, the heads of the supporting rods are connected with the middle positioning plate through pin shafts, the tail parts of the supporting rods are provided with hook-shaped structures extending outwards, and the outer circumferential;
holes are formed in two ends of the fixing ring, the middle positioning plate, the movable block and the bottom positioning plate, counter bores are formed in two ends of the supporting plate, and the guide rod is installed from the counter bores and fixed with the fixing ring by threads at the top end of the guide rod after sequentially penetrating through the bottom positioning plate, the movable block and the middle positioning plate.
The further technical scheme is as follows:
the structure of the handle is as follows: including the handle, the handle is the ring structure, the bottom downwardly extending of handle has the major axis, the major axis from the top down divide into in proper order: a first step, a second step, a third step and a fourth step; the first ladder is in clearance fit with a central round hole of the fixing ring, the second ladder is in clearance fit with a central round hole of the middle positioning plate, the outer circumferential surface of the third ladder is provided with external threads which are in threaded fit with the movable block, the fourth ladder is in clearance fit with a central round hole of the bottom positioning plate and the central round hole of the supporting plate, and the bottom surface of the fourth ladder is provided with an internal thread hole and is used for positioning the supporting plate through a positioning screw.
The shaft diameters of the first step, the second step, the third step and the fourth step are sequentially decreased from large to small.
The number of the supporting rods is three.
The invention has the following beneficial effects:
the invention has compact and reasonable structure and convenient operation, the movable block moves up and down along the guide rod by adopting threaded connection of the handle and the movable block and utilizing the transmission principle of the lead screw and rotating the handle, the expansion range of the supporting rod is adjusted by utilizing the height change of the movable block, the expansion range of the supporting rod is ensured to be close to the inner diameter of the pressure-resistant cabin, and the tail end of the supporting rod can hook the end surface of the inner flange. The inner flange is uniformly stressed by utilizing the circumferential uniform distribution of the supporting rods, and then the inner flange is pulled out forcibly, so that the inner flange can be detached.
The invention utilizes the screw rod transmission principle to adjust the height of the movable block, further adjusts the opening range of the supporting rod, adapts to the requirements of disassembling the inner flanges of pressure-resistant cabins with different inner diameters by adjusting the opening range of the supporting rod, and has the advantages of simple operation, good adjustability, high reliability and the like.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is an exploded view of the present invention.
Fig. 3 is a front view (full sectional view) of the present invention.
Fig. 4 is a schematic structural view of the handle of the present invention.
Fig. 5 is a diagram of the application of the present invention.
Wherein: 1. a handle; 2. a fixing ring; 3. a guide bar; 4. a middle positioning plate; 5. positioning a nut; 6. a support bar; 7. a movable block; 8. a bottom positioning plate; 9. a support plate; 10. a set screw; 11. an inner flange; 12. a pressure-resistant cabin;
101. a handle; 102. a first step; 103. a second step; 104. a third step; 105. and a fourth step.
Detailed Description
The following describes embodiments of the present invention with reference to the drawings.
As shown in fig. 1-4, the adjustable inner flange dismounting device of the present embodiment includes a handle 1, a long shaft of the handle 1 is provided with a fixing ring 2, a middle positioning plate 4, a movable block 7, a bottom positioning plate 8 and a supporting plate 9 at intervals from top to bottom, the fixing ring 2, the middle positioning plate 4, the bottom positioning plate 8 and the supporting plate 9 are all provided with a central circular hole at their middle portions, the central circular hole is matched with the long shaft, the middle portion of the movable block 7 is provided with an internal thread which is matched with the long shaft by a thread, the bottom of the middle positioning plate 4 is positioned by a positioning nut 5, three support rods 6 are uniformly distributed at intervals in the circumferential direction of the middle positioning plate 4, the heads of the support rods 6 are connected with the middle positioning plate 4 by a pin shaft, the tails of the support;
holes are formed in two ends of the fixing ring 2, the middle positioning plate 4, the movable block 7 and the bottom positioning plate 8, counter bores are formed in two ends of the supporting plate 9, and the guide rod 3 is installed from the counter bores, penetrates through the bottom positioning plate 8, the movable block 7 and the middle positioning plate 4 in sequence and is fixed with the fixing ring 2 through threads at the top end of the guide rod 3.
The handle 1 has the structure that: including handle 101, handle 101 is the ring structure, and the bottom downwardly extending of handle 101 has the major axis, and the major axis from the top down divide into in proper order: a first step 102, a second step 103, a third step 104, and a fourth step 105; the first step 102 is in clearance fit with a central round hole of the fixing ring 2, the second step 103 is in clearance fit with a central round hole of the middle positioning plate 4, an external thread is arranged on the outer circumferential surface of the third step 104 and is in threaded fit with the movable block 7, the fourth step 105 is in clearance fit with a central round hole of the bottom positioning plate 8 and the supporting plate 9, an internal thread hole is arranged on the bottom surface of the fourth step 105, and the supporting plate 9 is positioned through a positioning screw 10.
The shaft diameters of the first step 102, the second step 103, the third step 104 and the fourth step 105 are gradually decreased from large to small.
The specific structure and function of the invention are as follows:
mainly comprises a handle 1, a guide rod 3, a fixing ring 2, a middle positioning plate 4, a positioning nut 5, a support rod 6, a movable block 7, a bottom positioning plate 8, a supporting plate 9, a positioning screw 10 and the like.
The first step 102 of the handle 1 in the device is in clearance fit with a central round hole of the fixed ring 2, the second step 103 is in clearance fit with a central round hole of the middle positioning plate 4, the outer circumferential surface of the third step 104 is provided with external threads which are in clearance fit with internal threads of the movable block 7, relative motion is generated between the rotating handle 1 and the movable block 7, the fourth step 105 is in clearance fit with the bottom positioning plate 8 and the supporting plate 9, and the bottom surface of the fourth step 105 is provided with an internal thread hole which is used for positioning the supporting plate 9 by using the positioning screw 10.
The middle positioning plate 4 of the second step 103 part of the handle 1 is fixed through the positioning nut 5, and a central hole of the middle positioning plate 4 is a through hole and forms clearance fit with the handle 1.
Three support rods 6 are uniformly distributed on the middle positioning plate 4 in the circumferential direction, the support rods 6 and the middle positioning plate 4 are positioned through pin shafts, and the support rods 6 rotate around the pin shafts under the action of the movable blocks 7.
The lower end of the supporting rod 6 is in a hook shape, so that the inner flange 11 can be hooked tightly when the supporting rod is used, the supporting rods 6 with other sizes can be replaced according to the use requirement, and the adjusting range is enlarged.
Two holes are reserved in the middle positioning plate 4 and the bottom positioning plate 8 symmetrically relative to the central axis of the middle positioning plate, and the guide rod 3 is installed from the bottom, penetrates through the bottom positioning plate 8 and the middle positioning plate 4 respectively, and is fixed with the fixing ring 2 by utilizing the threads at the upper end of the guide rod 3; the bottom supporting plate 9 is used for positioning and protecting the whole body formed by the guide rod 3 and the fixing ring 2.
As shown in fig. 5, the inner flange 11 is disassembled by the disassembling device according to the present invention.
In the practical use process, firstly, one hand holds the fixing ring 2 to prevent the fixing ring from rotating, the other hand rotates the handle 1, the height of the movable block 7 is adjusted to enable the opening range of the supporting rod 6 to be minimum through the screw rod transmission principle, and then the device is stretched into the pressure-resistant cabin 12 until the supporting rod 6 completely exceeds the inner end face of the inner flange 11. And continuing rotating the handle 1, adjusting the height of the movable block 7 to enable the expansion range of the support rod 6 to be close to the inner diameter of the pressure-resistant cabin 12, stopping rotating the handle 1 at the moment, and slowly pulling out the device until the support rod 6 contacts the end face of the inner flange 11. After the support rod 6 is confirmed to be capable of hooking the end face of the inner flange 11, the pressure resisting cabin 12 is fixed, and then the handle 1 is pulled by force until the inner flange 11 is taken out of the pressure resisting cabin 12, so that the inner flange 11 can be detached. Convenient maintenance and high working efficiency.
The above description is intended to be illustrative and not restrictive, and the scope of the invention is defined by the appended claims, which may be modified in any manner within the scope of the invention.
Claims (4)
1. The utility model provides an inner flange dismounting device with adjustable which characterized in that: comprises a handle (1), a fixed ring (2), a middle positioning plate (4), a movable block (7), a bottom positioning plate (8) and a supporting plate (9) are arranged on a long shaft of the handle (1) from top to bottom at intervals, central round holes are formed in the middle parts of the fixed ring (2), the middle positioning plate (4), the bottom positioning plate (8) and the supporting plate (9), the central round hole is matched with the long shaft, the middle part of the movable block (7) is provided with an internal thread, is matched with the long shaft thread, the bottom of the middle positioning plate (4) is positioned by a positioning nut (5), a plurality of support rods (6) are uniformly distributed at intervals in the circumferential direction of the middle positioning plate (4), the head part of the supporting rod (6) is connected with the middle positioning plate (4) through a pin shaft, the tail parts of the support rods (6) are provided with hook-shaped structures extending outwards, and the outer circumferential surface of the movable block (7) is abutted against the inner side of each support rod (6);
the two ends of the fixing ring (2), the middle positioning plate (4), the movable block (7) and the bottom positioning plate (8) are provided with holes, the two ends of the supporting plate (9) are provided with counter bores, and the guide rod (3) is installed from the counter bores, penetrates through the bottom positioning plate (8), the movable block (7) and the middle positioning plate (4) in sequence and is fixed with the fixing ring (2) through threads at the top end of the guide rod (3).
2. The adjustable inner flange dismounting device as claimed in claim 1, wherein: the handle (1) is structurally characterized in that: including handle (101), handle (101) are the ring structure, the bottom downwardly extending of handle (101) has the major axis, the major axis divide into from the top down in proper order: a first step (102), a second step (103), a third step (104), and a fourth step (105); the first ladder (102) is in clearance fit with a central round hole of the fixing ring (2), the second ladder (103) is in clearance fit with a central round hole of the middle positioning plate (4), the outer circumferential surface of the third ladder (104) is provided with external threads and is in threaded fit with the movable block (7), the fourth ladder (105) is in clearance fit with central round holes of the bottom positioning plate (8) and the supporting plate (9), and the bottom surface of the fourth ladder (105) is provided with an internal threaded hole and is used for positioning the supporting plate (9) through a positioning screw (10).
3. The adjustable inner flange dismounting device as claimed in claim 2, wherein: the shaft diameters of the first step (102), the second step (103), the third step (104) and the fourth step (105) are gradually reduced from large to small.
4. The adjustable inner flange dismounting device as claimed in claim 1, wherein: three support rods (6) are provided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010548131.9A CN111531502A (en) | 2020-06-16 | 2020-06-16 | Adjustable inner flange dismounting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010548131.9A CN111531502A (en) | 2020-06-16 | 2020-06-16 | Adjustable inner flange dismounting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111531502A true CN111531502A (en) | 2020-08-14 |
Family
ID=71978278
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010548131.9A Pending CN111531502A (en) | 2020-06-16 | 2020-06-16 | Adjustable inner flange dismounting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111531502A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112847244A (en) * | 2020-12-28 | 2021-05-28 | 福建恒杰塑业新材料有限公司 | Quick dismounting device for inner flange of pipe fitting |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2109922U (en) * | 1991-12-30 | 1992-07-15 | 陆永年 | Three-claw pull-horse |
| CN2794757Y (en) * | 2005-05-08 | 2006-07-12 | 胡治国 | Pulling device |
| US7322087B1 (en) * | 2007-02-23 | 2008-01-29 | Chih Kuo Hu | Bearing installing and removing tool |
| CN201143661Y (en) * | 2007-10-17 | 2008-11-05 | 比亚迪股份有限公司 | Bearing outer ring moving-pulling machine |
| CN202914524U (en) * | 2012-09-12 | 2013-05-01 | 宁波三泰轴承有限公司 | Rolling bearing and special dismounting tool for rolling bearing |
-
2020
- 2020-06-16 CN CN202010548131.9A patent/CN111531502A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2109922U (en) * | 1991-12-30 | 1992-07-15 | 陆永年 | Three-claw pull-horse |
| CN2794757Y (en) * | 2005-05-08 | 2006-07-12 | 胡治国 | Pulling device |
| US7322087B1 (en) * | 2007-02-23 | 2008-01-29 | Chih Kuo Hu | Bearing installing and removing tool |
| CN201143661Y (en) * | 2007-10-17 | 2008-11-05 | 比亚迪股份有限公司 | Bearing outer ring moving-pulling machine |
| CN202914524U (en) * | 2012-09-12 | 2013-05-01 | 宁波三泰轴承有限公司 | Rolling bearing and special dismounting tool for rolling bearing |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112847244A (en) * | 2020-12-28 | 2021-05-28 | 福建恒杰塑业新材料有限公司 | Quick dismounting device for inner flange of pipe fitting |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200814 |
|
| RJ01 | Rejection of invention patent application after publication |