CN205146891U - Can prevent rolling mill excessively opened - Google Patents
Can prevent rolling mill excessively opened Download PDFInfo
- Publication number
- CN205146891U CN205146891U CN201520961766.6U CN201520961766U CN205146891U CN 205146891 U CN205146891 U CN 205146891U CN 201520961766 U CN201520961766 U CN 201520961766U CN 205146891 U CN205146891 U CN 205146891U
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- tube head
- wire
- ratchet
- rolling mill
- milling train
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Abstract
The utility model relates to a rolling mill. A can prevent rolling mill excessively opened, includes the rolling mill body, articulates the apron on the rolling mill body, the pneumatic cylinder that the drive apron opened and shut and the limit structure who restricts the aperture of apron, and limit structure includes limit switch and detects as limit switch the controlling means who stopped the pneumatic cylinder at 85 o'clock and made the apron can not continue to open is opened to the apron, and controlling means is equipped with conducting wire inlet and outlet and tube head, and the tube head is equipped with the ball attachment, and conducting wire inlet and outlet is equipped with the spherical cavity, and it is together articulated with conducting wire inlet and outlet in the spherical cavity that the tube head passes through the ball attachment joint, the tube head pass through the puller bolt with the conducting wire inlet and outlet rigid coupling together, the central line of puller bolt is through the center of tube head and conducting wire inlet and outlet fitting surface. The utility model has the advantages of the difficult damage of direction can not produce the transition with the apron and open, solved that present rolling mill can produce that opening angle is greater than 90 phenomenon and problem that the pneumatic cylinder that results in can not shut the apron.
Description
Technical field
The utility model relates to milling train, particularly relates to a kind of milling train preventing excessively opening.
Background technology
Need to use milling train in the manufacturing process of copper bar.Existing milling train comprises rolling mill body, be articulated with the cover plate on rolling mill body and drive the hydraulic cylinder of cover plate opening-closing.Existing milling train has the following disadvantages: the weight of milling train cover plate own is very heavy, the phenomenon that lid aperture is greater than 90 degree can be produced, the aperture of lid be greater than 90 ° then hydraulic cylinder cover plate can not be shut, at this moment need operating personnel to go process that lid just can be made for a long time to recover; Isolating affection is poor; Cover plate do not have handle, inconvenience during manual operation cover plate.
Utility model content
The utility model provide direction that a kind of wire imports and exports adjustable, cover plate can not produce the milling train preventing excessively opening that transition is opened, solve existing milling train and can produce opening angle and be greater than the phenomenon of 90 ° and problem that cover plate can not be shut by the hydraulic cylinder that causes.
Above technical problem is solved by following technical proposal: a kind of milling train preventing excessively opening, comprise rolling mill body, be articulated with the cover plate on rolling mill body and the hydraulic cylinder driving cover plate opening-closing, it is characterized in that, also comprise the position limiting structure of the aperture limiting described cover plate, described position limiting structure comprises limit switch and the stop solution cylinder pressure and make cover plate can not continue the control device opened when limit switch detects that described cover plate is opened to 85 °, described control device is provided with wire and imports and exports and tube head, described tube head is provided with ballhead, described wire is imported and exported and is provided with spherical cavity, described tube head is connected in described spherical cavity by described ballhead to be imported and exported hinged with wire, described tube head is fixed together with described wire import and export by puller bolt, the center line of described puller bolt imports and exports the center of mating surface through tube head and wire.Cover plate can be made to be merely able to unlatching 85 °, and namely the aperture of cover plate is 85 °, produces, thus can not produce the situation that cover plate can not close up by hydraulic cylinder so the open cap period of the day from 11 p.m. to 1 a.m can not produce the phenomenon that cover plate opens more than 90 °.Before control device connection wire (power line and holding wire) is connected, rotate puller bolt and tube head can freely be rotated, then wire is penetrated, can turn to angle and meet the requirements and avoid producing wire transition bending phenomenon by first of driving tube when wire needs commutation, wire wears and rotates backward puller bolt after fixing again and tube head and wire imported and exported and be fixed together.The damage of puller bolt to tube head surface is little.
As preferably, described rolling mill body is provided with feet, described feet comprises the hypomere that epimere and upper end are set in epimere lower end, the shock-absorbing spring supporting described epimere is provided with in hypomere, the upper end of described epimere is provided with connecting ring, inner ring is equipped with in described connecting ring, described inner ring is linked together with described connecting ring by rubber ring, described rubber ring is provided with several blind holes distributed along rubber ring circumference, described blind hole is arranged at inner peripheral surface or the outer peripheral face of described rubber ring, division board is provided with in described blind hole, described blind hole is divided into radially-arranged two cavitys along rubber ring by described division board, described division board is provided with the main friction passage being communicated with described two cavitys, friction plate is provided with in described main friction passage, described friction plate is equipped with the friction lever that can radially slide along rubber ring, described friction lever is provided with a friction passage, the elastomeric cap arched upward towards blind hole inside is stamped in the openend of described blind hole, described inner ring is equipped with connecting pin, described epimere is linked together with described rolling mill body body by described connecting pin.The vibration isolating effect of milling train can be improved.The shock insulation process of the technical program is: by liquid filling in blind hole, when producing vibration, reciprocal radial displacement can be produced between inner ring and connecting ring, when this displacement can cause blind hole to be out of shape, blind hole distortion and drive that position liquid in the inner flows back and forth between inner chamber body and outer chamber, the rocking of friction plate and friction lever, liquid flow and friction plate and friction lever rock and change vibrational energy into heat energy in process and consume.If vibrate less and be not enough to impel blind hole to be out of shape time, now only have rocking of liquid, during liquid sloshing, friction lever produces and rocks and energy-absorbing, friction lever is set and can improves the absorption that frequency low-amplitude is vibrated, make the utility model not only can absorb the vibrational energy of isolation high amplitude, can also absorb the vibrational energy of short arc, therefore isolating affection is better.When this structure can make the blind hole of side be squeezed, the blind hole of opposite side then produces diastole instead of simultaneously pressurized or diastole, and making when the positive and negative amplitude vibrated is interval can both effectively absorbing, and absorbing efficiency is high.This structure is also because inner ring is connected by rubber ring with connecting ring, and connecting ring is not easy to produce distortion, and distortion fecund is born in inner ring, so only need after distortion to change inner ring.
As preferably, described friction plate is all stretched out at the two ends of described friction lever, and two end faces of described friction lever are all sphere.Energy-absorbing isolating affection is good.
As preferably, described friction lever is cylindrical, two end faces of described friction lever is all provided with some grooves along the distribution of friction lever circumference.The contact area of energy-absorbing bar with liquid can be improved, to improve energy-absorbing effect and induction sensitivity.
As preferably, described feet also comprises driving mechanism, described inner ring is connected to described connecting ring rotationally, described driving mechanism is used for the one-directional rotation point resultant motion between epimere and hypomere being converted to inner ring, described driving mechanism comprises the ratchet of ratchet and driving pawl, and described ratchet coaxially links together with described inner ring; Described ratchet links together with hypomere.When being subject to vibrating, inner ring can one-directional rotation, thus avoids inner ring to be impacted at a position for a long time, thus can effectively avoid interior annular strain, and inner ring is indeformable, once connecting ring produces distortion, inner ring can also play the effect of repairing connecting ring.Thus effectively overcome the problem that connecting ring easily produces distortion.
As preferably, described ratchet is fixed in drive rod, and described ratchet is connected with described hypomere by described drive rod, and described drive rod is connected with and drives described ratchet to be brought together into engage spring on described ratchet.Reliability of Microprocessor is good.
As preferably, described epimere is provided with slide opening, and described drive rod can two dimension be slidably connected in described slide opening.Ratchet can be further easily made to carry out folding with ratchet, good reliability during one-directional rotation.
As preferably, described drive rod is provided with deposits hole, deposits in hole described in one end of described engage spring is located in.Reliability and convenience when being connected can be improved.
As preferably, described cover plate is provided with handle, described handle comprises handle rod, the outer resilient sleeve of described handle rod is provided with overcoat, the elastic adjusting mechanism of the elastic force regulated between overcoat and handle rod is provided with between described handle rod and overcoat, described elastic adjusting mechanism comprises and is set in handle rod outer and the base tube be located in overcoat and the holding sheet being looped around described base tube outside, the fricting strip that described holding sheet is distributed by the some pieces of circumferences along base tube is formed, described fricting strip is provided with the slide bar that some radial directions along base tube extend, described sliding bar is arranged in described base tube, the inner of described slide bar is provided with and drives the outer shift-in of slide bar and drive fricting strip to be connected to the 3rd spring together with overcoat, described elastic adjusting mechanism is also provided with the pretightning force adjustment structure of the pretightning force regulating described 3rd spring.Realize the switch of cover plate by gripping handle rod during use.This structure of handle rod can make handle rod in use procedure have elasticity, thus improves comfortableness when using, and the elastic effect in the technical program can also change, to adapt to different needs.Concrete adjustment process is, the 3rd spring moving radially along base tube is driven by pretightning force adjustment structure, thus fricting strip is changed with the normal pressure of overcoat, thus realize the change of pretightning force, the thing change of the power that overcoat is rocked relative to handle rod carrys out the different elastic effect in main road.
As preferably, described pretightning force adjustment structure comprises the conical head that base tube is supported on the tubular structure outside handle rod by two, drive conical head move axially and can make conical head stop at desired location drives structure and some push rods, described two conical heads are slidably connected in the two ends of described base tube in the mode that miner diameter end subtend is arranged, the two ends of described push rod are shelved on the conical surface of described two conical heads, all described slide bars of same fricting strip pass through described spring supporting on same described push rod, the described slide bar of each block fricting strip is respectively supported by a described push rod.During adjustment, realize push rod moving radially thus realizing the change of push rod along base tube radial position along base tube by the position axially changing conical head, thus realize the change of the 3rd initial tension of spring.Convenience during adjustment is good.
As preferably, describedly drive the jacking block tied and enough comprise in two two ends being threaded in described base tube, described two conical heads are between described two jacking blocks.Drive conical head to realize regulating by rotating jacking block, regulate and put in place, automatically locate, convenience during use is better.
As preferably, described tube head and wire be provided with between importing and exporting tube head is supported in described wire import and export in support ring, described tube head and wire be matched in clearance between importing and exporting, and described support ring is fixed in the import and export of described wire.Support ring is set and tube head and wire import and export between matched in clearance, easily laborsaving when can make to rotate tube head; Support ring is fixed in described wire and imports and exports, and when tube head can be made no matter to turn to that angle, support ring reliably can both ensure that tube head and wire keep matched in clearance between importing and exporting.
The utility model has following advantage: can prevent the cover plate of milling train from excessively opening; Induce one wire to control device time, guiding be not easy produce damage phenomenon.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the utility model embodiment one.
Fig. 2 be connecting ring in Fig. 1 analyse and observe enlarged diagram.
Fig. 3 is the close-up schematic view at the C place of Fig. 2.
Fig. 4 is the close-up schematic view at the D place of Fig. 3.
Fig. 5 is the close-up schematic view at the B place of Fig. 4.
Fig. 6 is A-A cross-sectional schematic of the handle rod in Fig. 1.
Fig. 7 is E-E cross-sectional schematic of the handle rod of Fig. 1.
Fig. 8 be tube head in Fig. 1 and wire import and export analyse and observe enlarged diagram.
Fig. 9 is the close-up schematic view of the feet in the utility model embodiment two.
In figure: rolling mill body 1, cover plate 11, hydraulic cylinder 12, position limiting structure 2, limit switch 21, control device 22, wire imports and exports 37, spherical cavity 371, tube head 38, ballhead 381, the free end 382 of ballhead, support ring 383, puller bolt 39, handle 5, handle rod 51, overcoat 52, driving mechanism 6, ratchet 61, ratchet 62, drive rod 63, deposit hole 64, engage spring 65, rubber ring 7, blind hole 71, inner chamber body 711, outer chamber 712, division board 72, elastomeric cap 73, main friction passage 75, friction plate 76, friction lever 77, axial end 771, groove 772, prop up friction passage 78, elastic adjusting mechanism 8, base tube 81, holding sheet 82, fricting strip 821, slide bar 822, 3rd spring 823, pretightning force adjustment structure 83, conical head 831, push rod 832, drives structure 833, jacking block 8331, feet 9, hypomere 91, epimere 92, connecting ring 921, inner ring 922, connecting pin 923, slide opening 924, shock-absorbing spring 93.
Detailed description of the invention
Below in conjunction with accompanying drawing and embodiment, the utility model is further described.
Embodiment one, see Fig. 1, a kind of milling train preventing excessively opening, comprises rolling mill body 1 and position limiting structure 2.Rolling mill body 1 is hinged with cover plate 11 and hydraulic cylinder 12.Hydraulic cylinder 12 is for driving and driving cover plate 11 folding.Position limiting structure 2 comprises limit switch 21 and control device 22.Limit switch 21 to be arranged on when cover plate is opened to 85 ° can touched to and produce the position of action.During use, limit switch 21 is touched when hydraulic cylinder 12 drives cover plate 11 to be opened to 85 °, limit switch produces action and carries signal to control device 22, and control device 22 makes hydraulic cylinder 12 stop operation and remains on current state, thus plays the effect preventing from opening.Control device 22 is provided with wire and imports and exports 37 and tube head 38.Tube head 38 is imported and exported 37 by puller bolt 39 with wire and is fixed together.
Rolling mill body 1 is also provided with feet 9.Feet 9 comprises hypomere 91 and epimere 92.The upper end of hypomere 91 is set on the lower end of epimere 92 slidably.The shock-absorbing spring 93 supporting epimere 92 is provided with in hypomere 81.The upper end of epimere 92 is provided with connecting ring 921.Inner ring 922 is equipped with in connecting ring 921.Inner ring 922 is linked together with connecting ring 921 by rubber ring 7.Inner ring 922 is equipped with connecting pin 923.Connecting pin 923 links together with rolling mill body 1.
Cover plate 11 is provided with handle 5.Handle 5 comprises handle rod 51.Draw ring 53 is formed between handle rod 51 and cover plate 11.The outer resilient sleeve of handle rod 51 is provided with overcoat 52.
See Fig. 2, the inner peripheral surface of rubber ring 7 is provided with the blind hole 71 (outer peripheral face that blind hole is arranged on rubber ring is also fine) that several circumferences along rubber ring distribute.Division board 72 is provided with in blind hole 71.Blind hole 71 is divided into two cavitys and inner chamber body 711 and outer chamber 712 by division board 72.The flexible lid 73 of open end cap of blind hole 71.Elastomeric cap 73 is the bowl-type arched upward towards blind hole 71 inside.
See Fig. 3, division board 72 is provided with some main friction passage 75.Main friction passage 75 communication with cavity body 711 and outer chamber 712.Friction plate 76 is provided with in main friction passage 75.
See Fig. 4, in friction plate 76, be equipped with some friction levers 77 that can slide along above-below direction in the distribution arrangement of inner chamber body and outer chamber and figure.Friction lever 77 is cylindrical.Friction lever 77 is provided with a friction passage 78.Prop up the space (in being namely communicated with outer chamber) that friction passage 78 is communicated with friction plate 76 upper and lower.Two axial ends 771 of friction lever 77 are all sphere.
See Fig. 5, two axial ends 771 of friction lever 77 are all provided with some grooves 772.Groove 772 is along the distribution of friction lever 77 circumference.
See Fig. 6, between handle rod 51 and overcoat 52, be provided with elastic adjusting mechanism 8.Elastic adjusting mechanism 8 comprises base tube 81, holding sheet 82 and pretightning force adjustment structure 83.Base tube 81 is set in outside handle rod 51.Base tube 81 is located in overcoat 52.Holding sheet 82 is made up of some pieces of fricting strips 821.Fricting strip 821 distributes along the circumference of base tube 81.Fricting strip 821 is provided with the slide bar 822 that some radial directions along base tube extend axial distribution.Slide bar 822 slides and is arranged in base tube 81.The inner of slide bar 822 is provided with the 3rd spring 823.3rd spring 823 drives fricting strip to be connected to together with overcoat 52 by slide bar.The pretightning force adjustment structure 83 of moving outward comprises two conical heads 831 and some push rods 832.Conical head 831 is tubular structure.Conical head 831 to be set on handle rod 51 and to be located in base tube 81 and linked together with handle rod 51 by base tube 81.Conical head 831 is only connected in base tube 81 slidably.Push rod 832 axially extends along the circumference distribution of base tube 81.All slide bars 822 of same fricting strip 821 are supported on same push rod 832 by the 3rd spring 823, and the slide bar of each block fricting strip is respectively supported by a push rod.
See Fig. 7, the mode that two conical heads 831 are arranged with miner diameter end subtend is slidably connected in the two ends of base tube 81.The two ends of push rod 832 are shelved on the conical surface of two conical heads 831.Pretightning force adjustment structure 83 also comprises drives structure 833.Driving knot enough 833 comprises the jacking block 8331 in two two ends being threaded in base tube 81.Jacking block 8331 is set on handle rod 51.Two conical heads 831 are between two jacking blocks 8331.
During use, drive conical head 831 to move along the axis of base tube 81 by rotating jacking block 8331, conical head 831 drives push rod 832 moving radially along base tube 81, and push rod 832 extrudes the 3rd spring 823 and changes pretightning force.
See Fig. 8, the inner of tube head 38 is provided with ballhead 381.Wire is imported and exported 37 inwalls and is provided with spherical cavity 371.Tube head 38 is connected to by ballhead 381 to be imported and exported 37 hinged with wire in spherical cavity 371, also namely tube head 38 is imported and exported 37 with wire and carried out hinged for mating spherical surfaces.It is matched in clearance between ballhead 381 and spherical cavity 371.Linked together by support ring 383 between ballhead 381 and spherical cavity 371.Support ring 383 is fixed in wire and imports and exports 37.The free end 382 of ballhead is all contained in spherical cavity 371 (also namely in the scope that tube head can rotate, the free end 382 of ballhead is all positioned at spherical cavity 371).
The centre of sphere of the center line of the puller bolt 39 also i.e. sphere at the surperficial place of ballhead 381 through center that tube head and wire import and export mating surface.
During control device 22 wiring, unclamp puller bolt 39 and can freely rotate to tube head 38, by one end of wire through tube head 38 and wire import and export 37 induce one and link together with control device 22, the other end of wire links together with power supply.Wire is adjusted to and is rotated puller bolt 39 after trend meets the requirements and tube head 38 and wire import and export 37 be fixed together.
The utility model to the process that absorbing is carried out in the vibration produced is:
See Fig. 2 to Fig. 5, in inner chamber body 711 and outer chamber 712 all filled with fluid (can certainly make the utility model time filling liquid), when panel and horizontal fixed plate produce vibration and are expressed to rubber ring 7 and cause blind hole 71 to be out of shape, make that liquid flows back and forth between inner chamber body 711 and outer chamber 712, friction plate 76 and friction lever 77(be see Fig. 5) produce and rock, liquid flow and friction plate and friction lever rock and change vibrational energy into heat energy in process and consume.If vibrate less and be not enough to impel blind hole to be out of shape time, now only have rocking of liquid, during liquid sloshing friction lever produce rock and energy-absorbing.
Embodiment two, the difference with embodiment one is:
See Fig. 9, feet 9 is also provided with driving mechanism 6.Inner ring 922 is connected in rubber ring 7 rotationally, and rubber ring 7 is fixed together with connecting ring 921.
Driving mechanism 6 comprises ratchet 61, the ratchet 62 of driving pawl and drive rod 63.Ratchet 61 coaxially links together with inner ring 922.Ratchet 61 is structure as a whole with inner ring 922.Ratchet 62 is fixed in one end of drive rod 63.Epimere 92 is provided with slide opening 924.The other end of drive rod 63 can be located in slide opening 924 in two dimension slip.The radial direction of the lower end edge connecting ring 921 of drive rod 63 slidably clasp joint in hypomere 91(see Fig. 1) be fixed together.Drive rod 63 is provided with deposits hole 64.Deposit hole 64 and have two.Deposit in hole 64 and be equipped with engage spring 65.Engage spring 65 is extension spring.One end of engage spring 65 links together with drive rod 63, and the other end links together with epimere 92.When engage spring 65 is in free state, under the effect of engage spring 65 spring, ratchet 62 can be engaged in ratchet 61.
During use, when being caused feet 9 to produce contractile motion when vibrating, drive rod 63 is towards connecting ring 921 translation (being namely moved upward in figure), now ratchet 62 can rotate clockwise by driving pawl 61, ratchet 61 drives inner ring 922 to rotate clockwise, when feet extends, drive rod 63 moves down, now ratchet 62 can not to rotate and when ratchet 62 touches the tooth on ratchet 61 by driving pawl 61, drive rod 63 makes drive rod 63 to reset away from ratchet 61, when ratchet 62 does not touch the tooth on ratchet 61, under the effect of engage spring 65, ratchet 62 moves to right and resets.Thus when making each vibration period, the impact site suffered by inner ring 922 is different, and inner ring 922 is circumferentially shifted one's position continuously and withstands shocks thus be not easy produce distortion and become oval.
Claims (10)
1. the milling train can preventing excessively opening, comprise rolling mill body, be articulated with the cover plate on rolling mill body and the hydraulic cylinder driving cover plate opening-closing, it is characterized in that, also comprise the position limiting structure of the aperture limiting described cover plate, described position limiting structure comprises limit switch and the stop solution cylinder pressure and make cover plate can not continue the control device opened when limit switch detects that described cover plate is opened to 85 °, described control device is provided with wire and imports and exports and tube head, described tube head is provided with ballhead, described wire is imported and exported and is provided with spherical cavity, described tube head is connected in described spherical cavity by described ballhead to be imported and exported hinged with wire, described tube head is fixed together with described wire import and export by puller bolt, the center line of described puller bolt imports and exports the center of mating surface through tube head and wire.
2. can prevent the milling train excessively opened according to claim 1, it is characterized in that, described rolling mill body is provided with feet, described feet comprises the hypomere that epimere and upper end are set in epimere lower end, the shock-absorbing spring supporting described epimere is provided with in hypomere, the upper end of described epimere is provided with connecting ring, inner ring is equipped with in described connecting ring, described inner ring is linked together with described connecting ring by rubber ring, described rubber ring is provided with several blind holes distributed along rubber ring circumference, described blind hole is arranged at inner peripheral surface or the outer peripheral face of described rubber ring, division board is provided with in described blind hole, described blind hole is divided into radially-arranged two cavitys along rubber ring by described division board, described division board is provided with the main friction passage being communicated with described two cavitys, friction plate is provided with in described main friction passage, described friction plate is equipped with the friction lever that can radially slide along rubber ring, described friction lever is provided with a friction passage, the elastomeric cap arched upward towards blind hole inside is stamped in the openend of described blind hole, described inner ring is equipped with connecting pin, described epimere is linked together with described rolling mill body by described connecting pin.
3. the milling train preventing excessively opening according to claim 2, it is characterized in that, described feet also comprises driving mechanism, described inner ring is connected to described connecting ring rotationally, described driving mechanism is used for the one-directional rotation point resultant motion between epimere and hypomere being converted to inner ring, described driving mechanism comprises the ratchet of ratchet and driving pawl, and described ratchet coaxially links together with described inner ring; Described ratchet links together with hypomere.
4. the milling train preventing excessively opening according to claim 3, it is characterized in that, described ratchet is fixed in drive rod, and described ratchet is connected with described hypomere by described drive rod, and described drive rod is connected with and drives described ratchet to be brought together into engage spring on described ratchet.
5. the milling train preventing excessively opening according to claim 4, it is characterized in that, described epimere is provided with slide opening, and described drive rod can two dimension be slidably connected in described slide opening.
6. the milling train preventing excessively opening according to claim 4, it is characterized in that, described drive rod is provided with deposits hole, deposits in hole described in one end of described engage spring is located in.
7. the milling train preventing excessively opening according to claim 1 or 2 or 3, it is characterized in that, described cover plate is provided with handle, described handle comprises handle rod, the outer resilient sleeve of described handle rod is provided with overcoat, the elastic adjusting mechanism of the elastic force regulated between overcoat and handle rod is provided with between described handle rod and overcoat, described elastic adjusting mechanism comprises and is set in handle rod outer and the base tube be located in overcoat and the holding sheet being looped around described base tube outside, the fricting strip that described holding sheet is distributed by the some pieces of circumferences along base tube is formed, described fricting strip is provided with the slide bar that some radial directions along base tube extend, described sliding bar is arranged in described base tube, the inner of described slide bar is provided with and drives the outer shift-in of slide bar and drive fricting strip to be connected to the 3rd spring together with overcoat, described elastic adjusting mechanism is also provided with the pretightning force adjustment structure of the pretightning force regulating described 3rd spring.
8. the milling train preventing excessively opening according to claim 7, it is characterized in that, described pretightning force adjustment structure comprises the conical head that base tube is supported on the tubular structure outside handle rod by two, conical head is driven to move axially and conical head can be made to stop at the drives structure of desired location and some push rods, described two conical heads are slidably connected in the two ends of described base tube in the mode that miner diameter end subtend is arranged, the two ends of described push rod are shelved on the conical surface of described two conical heads, all described slide bars of same fricting strip pass through described spring supporting on same described push rod, the described slide bar of each block fricting strip is respectively supported by a described push rod.
9. the milling train preventing excessively opening according to claim 8, is characterized in that, the described jacking block driving knot enough to comprise in two two ends being threaded in described base tube, described two conical heads are between described two jacking blocks.
10. the milling train preventing excessively opening according to claim 1 or 2 or 3, it is characterized in that, described tube head and wire be provided with between importing and exporting tube head is supported in described wire import and export in support ring, described tube head and wire are matched in clearance between importing and exporting, and described support ring is fixed in described wire and imports and exports.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520961766.6U CN205146891U (en) | 2015-11-29 | 2015-11-29 | Can prevent rolling mill excessively opened |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520961766.6U CN205146891U (en) | 2015-11-29 | 2015-11-29 | Can prevent rolling mill excessively opened |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205146891U true CN205146891U (en) | 2016-04-13 |
Family
ID=55682632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520961766.6U Expired - Fee Related CN205146891U (en) | 2015-11-29 | 2015-11-29 | Can prevent rolling mill excessively opened |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205146891U (en) |
-
2015
- 2015-11-29 CN CN201520961766.6U patent/CN205146891U/en not_active Expired - Fee Related
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160413 Termination date: 20161129 |