CN203918931U - A kind of rolling mill reduction gears shaft coupling inner sleeve dismantling device - Google Patents
A kind of rolling mill reduction gears shaft coupling inner sleeve dismantling device Download PDFInfo
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- CN203918931U CN203918931U CN201420323788.5U CN201420323788U CN203918931U CN 203918931 U CN203918931 U CN 203918931U CN 201420323788 U CN201420323788 U CN 201420323788U CN 203918931 U CN203918931 U CN 203918931U
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- ratchet
- inner sleeve
- tool base
- combination unit
- tooth bar
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Abstract
A kind of rolling mill reduction gears shaft coupling inner sleeve dismantling device, belongs to milling train maintenance tool technical field, for rolling mill reduction gears shaft coupling inner sleeve is carried out to dismounting.Its technical scheme is: its tool base is round platform, rack combination unit is through in the through hole of round platform, there is tooth bar the side of rack combination unit, there is the screw rod being connected with the inner sleeve the lower end of rack combination unit, and in the side of tool base round platform, ratchet is installed, and the gear teeth of ratchet are meshed with tooth bar, handle is connected with ratchet, support bar is along tool base circle distribution, and the upper end of support bar is fixedly connected with tool base, and the lower end of support bar withstands on the workpiece surface that inner sleeve is installed.The utility model is simple in structure, reasonable in design, coordinate by tool base, ratchet, rack combination unit the dismounting that realizes inner sleeve with support bar, greatly save the disassembly and assembly time of rolling mill coupling inner sleeve, and can not cause damage to inner sleeve, ensure the continuity of producing and carried out smoothly, having there is significant economic benefit.
Description
Technical field
The utility model relates to a kind of instrument that rolling mill reduction gears shaft coupling inner sleeve is carried out to dismounting, belongs to milling train maintenance tool technical field.
Background technology
The variable-frequency motor of cold rolling mill is realized and being connected of reductor by shaft coupling; realize deceleration, transmission and distribute torque by reductor and universal drive shaft; in addition, occur heap steel or anxious stopping time at milling train, shaft coupling also plays the effect of the main motor of protection and deceleration.Shaft coupling has been realized the transmission of moment of torsion between motor and milling train, is the key equipment that ensures cold rolling normal production.In order to ensure the transmitting accuracy pusher side abnormal vibrations of avoiding slowing down, according to servicing manual requirement, need carry out strip inspection cleaning to shaft coupling in every 3 months.Between the connection inner sleeve of shaft coupling and shaft coupling protected location, be interference fit, and single shaft coupling just has 36, five frames have 180.Use the method for knocking to carry out in when dismounting at present, in unloading process, usually can cause damage in various degree to connecting inner sleeve, and dismantle one by one consuming time oversizely, make maintenance process occupy a large amount of time, affected carrying out continuously of producing.For joint checks the shaft coupling time, realize the not damaged dismounting of shaft coupling inner sleeve, it is very necessary and urgent need developing a kind of tool special for dismounting.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of dismounting speed soon, can not damage shaft coupling inner sleeve, stable work in work, cheap rolling mill reduction gears shaft coupling inner sleeve dismantling device.
The technical scheme solving the problems of the technologies described above is:
A kind of rolling mill reduction gears shaft coupling inner sleeve dismantling device, it comprises handle, ratchet, rack combination unit, tool base, fixed pin shaft, support bar, tool base is round platform, the center of round platform have along round platform axis to through hole, rack combination unit is elongated rod shape, rack combination unit is through in through hole, on rack combination unit, have along the tooth bar of rack combination element length direction, there is the screw rod being connected with the inner sleeve the lower end of rack combination unit, there is ratchet fixed head in the side of tool base round platform, in ratchet fixed head, ratchet is installed, ratchet is rotationally connected by fixed pin shaft and ratchet fixed head, the gear teeth of ratchet are meshed with tooth bar, handle is connected with ratchet, support bar is many, support bar is along the circle distribution of tool base round platform, the upper end of support bar is fixedly connected with tool base, the lower end of support bar withstands on the workpiece surface that inner sleeve is installed.
Above-mentioned rolling mill reduction gears shaft coupling inner sleeve dismantling device, described rack combination unit is made up of tooth bar sleeve pipe, screw rod, flexible connection head, connection bearing pin, tooth bar sleeve pipe is long tube, on the relative lateral wall of tooth bar sleeve pipe, there is symmetrical tooth bar, the endoporus of tooth bar sleeve pipe has screw thread, screw rod is spun in tooth bar sleeve pipe, and the lower end of screw rod is provided with flexible connection head by connecting bearing pin, and being flexibly connected head has screw thread to be connected with inner sleeve.
Above-mentioned rolling mill reduction gears shaft coupling inner sleeve dismantling device, the side of described tool base round platform has respectively two ratchet fixed heads corresponding with two tooth bars of the rack sleeve both sides of rack combination unit, in two ratchet fixed heads, ratchet is installed respectively, the gear teeth of ratchet are meshed with tooth bar.
Above-mentioned rolling mill reduction gears shaft coupling inner sleeve dismantling device, on the circumference of described tool base, be distributed with the screw that support bar is installed, screw is 4, wherein two screws are symmetrically distributed in the relative both sides of tool base round platform, the line of these two screws is vertical with two ratchet lines, and two other screw is respectively 120 degree angles and distributes to both sides taking an above-mentioned screw as benchmark.
The beneficial effects of the utility model are:
The utility model drives rack combination unit to move up by the handle on instrument benchmark and ratchet, and the screw rod lower end of rack combination unit is connected with inner sleeve, and rack combination unit moves up inner sleeve is taken out.The utility model is simple in structure, reasonable in design, can carry out the selection of support bar height and fixed point according to actual on-the-spot inner sleeve installation site in use, is not subject to the restriction in supporting surface position and space; Coordinate adjusting gear rack stroke by rack combination unit with support bar, realize the dismounting of different length and specification inner sleeve.The utility model has been saved the disassembly and assembly time of rolling mill coupling inner sleeve greatly, and can not cause damage to inner sleeve, has ensured the continuity of producing and has carried out smoothly, has significant economic benefit.In addition the utility model weld bolt or by prefabricated bolt hole on bearing pin at the scene, can realize the fast assembling-disassembling of multiple bearing pin, has use value widely.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the top view of Fig. 1;
Fig. 3 is the upward view of Fig. 1;
Fig. 4 is the structural representation of rack combination unit.
In figure, mark is as follows: handle 1, ratchet 2, rack combination unit 3, tool base 4, fixed pin shaft 5, support bar 6, tooth bar sleeve pipe 7, screw rod 8, be flexibly connected 9, connect bearing pin 10, ratchet fixed head 11, tooth bar 12, screw 13.
Detailed description of the invention:
The utility model is made up of handle 1, ratchet 2, rack combination unit 3, tool base 4, fixed pin shaft 5, support bar 6.
In figure, show, tool base 4 is round platform, the center of round platform have along round platform axis to through hole, rack combination unit 3 is elongated rod shape, rack combination unit 3 is through in through hole.There is ratchet fixed head 11 side at tool base 4 round platforms, and ratchet 2 is installed in ratchet fixed head 11, and ratchet 2 is rotationally connected by fixed pin shaft 5 and ratchet fixed head 11, and handle 1 is connected with ratchet 2.
Handle 1, ratchet 2 link into an integrated entity by fixed pin shaft 5 and tool base 4, can carry out driving pawl 2 by manual rotation handle 1 and in tool base 4, realize clockwise and counterclockwise fast rotation around fixed pin shaft 5.Ratchet 2 can be one, in a side of tool base 4, can be also two, and respectively in the relative both sides of instrument benchmark 4, what in figure, show is two ratchets 2.Reaction force during due to dismounting inner sleeve is concentrated and is acted on fixed pin shaft 5 and ratchet 2, therefore requires the Material Strength of fixed pin shaft 5 and ratchet 2 higher.
In figure, show, rack combination unit 3 by tooth bar sleeve pipe 7, screw rod 8, be flexibly connected 9, connect bearing pin 10 and form.Tooth bar sleeve pipe 7 is long tube, on the relative lateral wall in tooth bar sleeve pipe 7 both sides, have symmetrical tooth bar 12, the endoporus of tooth bar sleeve pipe 7 has screw thread, and screw rod 8 is spun in tooth bar sleeve pipe 7, the lower end of screw rod 8 is provided with and is flexibly connected 9 by connecting bearing pin 10, and being flexibly connected 9 has screw thread to be connected with inner sleeve.
Tooth bar 12 is realized interlock with ratchet 2 by engaging, and realizes tooth bar 12 upwards or downward axial rapid movement when ratchet 2 rotates.The screw rod 8 that tooth bar 12 drives internal whorl to connect in moving up and down is realized axially-movable, and the flexible connection of screw rod 8 lower ends 9 is connected with inner sleeve, has realized the upwards dismounting of inner sleeve.
In figure, show, on the circumference of tool base 4, be distributed with the screw 13 that support bar 6 is installed, screw 13 is 4, wherein two screws 13 are symmetrically distributed in the relative both sides of tool base 4 round platforms, the line of these two screws 13 is vertical with two ratchet 2 lines, and two other screw 13 is respectively 120 degree angles and distributes to both sides taking an above-mentioned screw 13 as benchmark.There is screw thread the upper end of support bar 6, or support bar 6 is screw rod, and the upper end of support bar 6 is fixedly connected with tool base 4, and the lower end of support bar 4 withstands on the workpiece surface that inner sleeve is installed.
This design can be selected 3 strong points or 2 strong points according to on-the-spot inner sleeve headspace size.Because support bar 6 can be selected 4 screw rods, just can adjust according to the surface condition of workpiece the length of screw rod, the perpendicularity of guarantee instrument and workpiece and smoothness, the end of support bar 6 is designed to concave surface, ensures that it has larger stability.
Claims (4)
1. a rolling mill reduction gears shaft coupling inner sleeve dismantling device, it is characterized in that: it comprises handle (1), ratchet (2), rack combination unit (3), tool base (4), fixed pin shaft (5), support bar (6), tool base (4) is round platform, the center of round platform have along round platform axis to through hole, rack combination unit (3) is elongated rod shape, rack combination unit (3) is through in through hole, on rack combination unit (3), have along the tooth bar (12) of rack combination unit (3) length direction, there is the screw rod (8) being connected with the inner sleeve the lower end of rack combination list (3) unit, there is ratchet fixed head (11) side at tool base (4) round platform, ratchet (2) is installed in ratchet fixed head (11), ratchet (2) is rotationally connected by fixed pin shaft (5) and ratchet fixed head (11), the gear teeth of ratchet (2) are meshed with tooth bar (12), handle (1) is connected with ratchet (2), support bar (6) is many, support bar (6) is along the circle distribution of tool base (4) round platform, the upper end of support bar (6) is fixedly connected with tool base (4), the lower end of support bar (6) withstands on the workpiece surface that inner sleeve is installed.
2. rolling mill reduction gears shaft coupling inner sleeve dismantling device according to claim 1, it is characterized in that: described rack combination unit (3) is by tooth bar sleeve pipe (7), screw rod (8), be flexibly connected head (9), connect bearing pin (10) composition, tooth bar sleeve pipe (7) is long tube, on the relative lateral wall of tooth bar sleeve pipe (7), there is symmetrical tooth bar (12), the endoporus of tooth bar sleeve pipe (7) has screw thread, screw rod (8) is spun in tooth bar sleeve pipe (7), the lower end of screw rod (8) is provided with flexible connection head (9) by connecting bearing pin (10), being flexibly connected head (9) has screw thread to be connected with inner sleeve.
3. rolling mill reduction gears shaft coupling inner sleeve dismantling device according to claim 2, it is characterized in that: the side of described tool base (4) round platform has respectively two ratchet fixed heads (11) corresponding with two tooth bars (12) of rack sleeve (7) both sides of rack combination unit (3), ratchet (2) is installed respectively in two ratchet fixed heads (11), and the gear teeth of ratchet (2) are meshed with tooth bar (12).
4. rolling mill reduction gears shaft coupling inner sleeve dismantling device according to claim 3, it is characterized in that: on the circumference of described tool base (4), be distributed with the screw (13) that support bar is installed, screw (13) is 4, wherein two screws (13) are symmetrically distributed in the relative both sides of tool base (4) round platform, the line of these two screws (13) is vertical with two ratchets (2) line, and two other screw (13) is respectively 120 degree angles and distributes to both sides taking an above-mentioned screw (13) as benchmark.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420323788.5U CN203918931U (en) | 2014-06-18 | 2014-06-18 | A kind of rolling mill reduction gears shaft coupling inner sleeve dismantling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420323788.5U CN203918931U (en) | 2014-06-18 | 2014-06-18 | A kind of rolling mill reduction gears shaft coupling inner sleeve dismantling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203918931U true CN203918931U (en) | 2014-11-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420323788.5U Expired - Fee Related CN203918931U (en) | 2014-06-18 | 2014-06-18 | A kind of rolling mill reduction gears shaft coupling inner sleeve dismantling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203918931U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106181869A (en) * | 2016-08-22 | 2016-12-07 | 鞍钢集团矿业有限公司 | Engine crankshaft rear oil seal installs location instrument and installation and locating method |
| CN106625388A (en) * | 2017-03-01 | 2017-05-10 | 四川鸣亨科技有限责任公司 | Combined type mechanical line-taking tool |
-
2014
- 2014-06-18 CN CN201420323788.5U patent/CN203918931U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106181869A (en) * | 2016-08-22 | 2016-12-07 | 鞍钢集团矿业有限公司 | Engine crankshaft rear oil seal installs location instrument and installation and locating method |
| CN106625388A (en) * | 2017-03-01 | 2017-05-10 | 四川鸣亨科技有限责任公司 | Combined type mechanical line-taking tool |
| CN106625388B (en) * | 2017-03-01 | 2018-12-07 | 四川鸣亨科技有限责任公司 | Combined mechanical line taking tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141105 Termination date: 20170618 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |