CN109779644A - The fixed stopping device of shield machine roller cutter and its method for rapidly mounting - Google Patents
The fixed stopping device of shield machine roller cutter and its method for rapidly mounting Download PDFInfo
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- CN109779644A CN109779644A CN201910078349.XA CN201910078349A CN109779644A CN 109779644 A CN109779644 A CN 109779644A CN 201910078349 A CN201910078349 A CN 201910078349A CN 109779644 A CN109779644 A CN 109779644A
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- turnbuckle
- cutter
- block
- shield machine
- check washer
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- 238000000034 method Methods 0.000 title claims abstract description 14
- 239000002184 metal Substances 0.000 claims abstract description 32
- 229910000831 Steel Inorganic materials 0.000 abstract description 5
- 239000010959 steel Substances 0.000 abstract description 5
- 210000003128 head Anatomy 0.000 description 16
- 238000005516 engineering process Methods 0.000 description 6
- 230000008859 change Effects 0.000 description 5
- 238000010276 construction Methods 0.000 description 5
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 238000005096 rolling process Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 210000000569 greater omentum Anatomy 0.000 description 2
- 235000006506 Brasenia schreberi Nutrition 0.000 description 1
- 244000267222 Brasenia schreberi Species 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 210000002421 cell wall Anatomy 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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Abstract
The invention discloses a kind of fixed stopping device of shield machine roller cutter and its method for rapidly mounting, device includes: tension block, the bottom of hob holder is fixedly connected on by turnbuckle, the bottom surface of hob holder is equipped with threaded hole, it tenses block and is equipped with pulling eye, the head of turnbuckle is located at the subjacent for tensing block, and the shaft of turnbuckle is arranged in pulling eye and is bolted in threaded hole；Voussoir is connected to the two sides for tensing block；Check washer, pad are set between the head of turnbuckle and the bottom surface of tension block；Lock plugs with molten metal ring, and lock plugs with molten metal ring set set on the head of turnbuckle and is fixedly connected on check washer.The present invention provides a kind of improved check washer for hobboing cutter, the check washer successfully prevents the loosening of turnbuckle, and, compared to traditional fastening means for needing successively to make it pack tightly bolt the fixed steel disc 90-degree bent of each of check washer upper fastening bolt, assembling speed is fast, workload reduces, and greatly improves working efficiency.
Description
Technical field
The present invention relates to Shield Construction Technique field more particularly to a kind of fixed stopping device of shield machine roller cutter and its quickly
Installation method.
Background technique
With the growth of China's expanding economy and infrastructure needs amount, super big diameter mud water shield is over long distances, greatly
It is used widely in the big more river of buried depth, stratum water content, Construction of Submarine Tunnel.Super big diameter mud water shield-tunneling construction environment
After long distance driving tool wear inevitably occurs for matter complicated condition, and frequent band is needed to be pressed into cabin replacement cutter, shield
Structure band is pressed into that cabin workload is big, risk is big, risk is high.
The fixed stopping device of existing tool changing technology needs the fixed steel of each of check washer upper fastening bolt successively
Piece 90-degree bent makes it pack tightly bolt, and time-consuming, heavy workload, low efficiency, and band is pressed into cabin under the conditions of being unable to satisfy high Water And Earth Pressures
The requirement of quick-replaceable cutter.
Summary of the invention
For above-mentioned there are problem, the present invention is intended to provide a kind of fixed stopping device of quick-installed shield machine roller cutter
And a kind of method for rapidly mounting of the fixed stopping device of shield machine roller cutter, structure is simple, and easy disassembly considerably reduces
Tool changing workload with pressure, shortens tool change time.
The first aspect of the present invention provides a kind of fixed stopping device of quick-installed shield machine roller cutter comprising:
Block is tensed, the bottom of hob holder is fixedly connected on by turnbuckle, the bottom surface of the hob holder is equipped with spiral shell
Pit, the tension block are equipped with perforative pulling eye, and the head of the turnbuckle is located at the subjacent for tensing block,
The shaft of the turnbuckle is arranged in the pulling eye and is bolted in the threaded hole；
Voussoir is connected to the two sides for tensing block and fits in two sides adjacent with the bottom surface in the hob holder
Face；
Check washer, pad are set between the head of the turnbuckle and the bottom surface for tensing block, the check washer
It is equipped with the through hole passed through for the shaft of the turnbuckle；And
Lock plugs with molten metal ring, and the lock plugs with molten metal ring set set on the head of the turnbuckle and is fixedly connected on the check washer.
The present invention provides a kind of improved check washer for hobboing cutter, which successfully prevents turnbuckle
It loosens, also, compared to traditional needs that the fixed steel disc 90-degree bent of each of check washer upper fastening bolt is successively made it
The fastening means of bolt is packed tightly, assembling speed is fast, workload reduces, and greatly improves working efficiency.
It realizes under condition of high voltage, the safety of major diameter slurry balance shield tool changing with pressure, sharp work greatly improve
The working efficiency that opens the cabin, eliminates construction risk of the shield machine in progradation.
In the embodiment of the fixed stopping device of some shield machine roller cutters, the head of the turnbuckle is hexagon
Head, it is the metal ring body that interior loop-shaped is matched with the hexagonal head that the lock, which plugs with molten metal ring,.
In the embodiment of the fixed stopping device of some shield machine roller cutters, the metal ring body and the check washer
It is welded and fixed.
In the embodiment of the fixed stopping device of some shield machine roller cutters, hobboing cutter is disk cutter, the dish type rolling
The two sides of knife are respectively equipped with the hob holder, and the hob holder is installed in the cutter groove of girff, and the voussoir is arranged in institute
It states in the gap between hob holder and the cutter groove.
In the embodiment of the fixed stopping device of some shield machine roller cutters, the two sides shape of the hob holder
At there is wedge slot, the bottom of the wedge slot is connected to the bottom surface, is formed with sleeveless jacket between the top and top side of the wedge slot,
The voussoir wedging is resisted against the sleeveless jacket in the wedge slot at the top of the voussoir.
In the embodiment of the fixed stopping device of some shield machine roller cutters, the width of the voussoir is greater than the wedge slot
Width.
In the embodiment of the fixed stopping device of some shield machine roller cutters, the bottom surface of the hob holder is flat in one
Face.
In the embodiment of the fixed stopping device of some shield machine roller cutters, the quantity of the turnbuckle is at least
Two, offer on a check washer with the comparable through hole of the quantity of the turnbuckle, the aperture of the through hole with
The outer diameter of the shaft of the turnbuckle is suitable.
The second aspect of the present invention provides a kind of method for rapidly mounting of fixed stopping device of shield machine roller cutter comprising
Step:
It provides and tenses block, the block that tenses is equipped with the pulling eye for running through top and bottom, the two sides pair for tensing block
Title is connected with voussoir；
By it is described tense block top surface fit in the bottom surface of hob holder, the voussoir fit in the hob holder with
The bottom surface of the adjacent two sides in the bottom surface, the hob holder is equipped with threaded hole, the threaded hole and the pulling eye position
Quite；
Check washer is provided, the check washer is fitted in the bottom surface for tensing block, the check washer is equipped with and institute
State the comparable through hole in pulling eye position；
Turnbuckle is provided, the shaft of the turnbuckle is sequentially passed through into the through hole and the pulling eye and is spirally connected
In the threaded hole, the head of the turnbuckle is tightened against to the lower surface of the check washer；And
There is provided lock plugs with molten metal ring, by it is described lock plug with molten metal ring set set on the turnbuckle head on, by it is described lock plug with molten metal ring with it is described
Check washer is welded and fixed.
In the embodiment of the method for rapidly mounting of the fixed stopping device of some shield machine roller cutters, hobboing cutter is dish type rolling
Knife, the two sides of the disk cutter are respectively equipped with the hob holder, plug with molten metal the weldering of ring Yu the check washer in the completion lock
After connecing fixed step, the hob holder is installed in the cutter groove of girff, the voussoir is arranged in the hob holder
In gap between the cutter groove.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 shows the exemplary of the fixed stopping device of quick-installed shield machine roller cutter according to an embodiment of the present invention
The front schematic view of structure.
Fig. 2 shows the exemplary of the fixed stopping device of quick-installed shield machine roller cutter according to an embodiment of the present invention
The schematic bottom view of structure.
Fig. 3 shows the exemplary of the fixed stopping device of quick-installed shield machine roller cutter according to an embodiment of the present invention
The side schematic view of structure.
Specific embodiment
Illustrate embodiments of the present invention below by way of specific specific example, those skilled in the art can be by this specification
Other advantages and efficacy of the present invention can be easily understood for disclosed content.The present invention can also pass through in addition different specific realities
The mode of applying is embodied or practiced, the various details in this specification can also based on different viewpoints and application, without departing from
Various modifications or alterations are carried out under spirit of the invention.
The present invention is described in detail in the following with reference to the drawings and specific embodiments.
Referring to Figure 1~3, Fig. 1, which shows quick-installed shield machine roller cutter fixation according to an embodiment of the present invention, to be stopped
The front schematic view of the exemplary structure of unloading device, Fig. 2 shows the fixed retainings of shield machine roller cutter according to an embodiment of the present invention
The schematic bottom view of the exemplary structure of device, Fig. 3 show the fixed retaining dress of shield machine roller cutter according to an embodiment of the present invention
The side schematic view for the exemplary structure set.As shown, the fixed stopping device of the quick-installed shield machine roller cutter is main
By tension block 11, voussoir 12, check washer 13, lock plugs with molten metal ring 14 and turnbuckle 15 is constituted, and tenses block 11 and passes through turnbuckle 15
It is fixedly connected on the bottom of the hob holder 11 of hobboing cutter 10, the two sides for tensing block 11 are symmetrically connected with two voussoirs 12, voussoir 12
Welding can be used between tension block 11 or bolt connecting mode is integrally fixed.
In the present embodiment, hobboing cutter 10 uses disk cutter, and the two sides of disk cutter are respectively equipped with a hob holder 101,
When installing hobboing cutter, hobboing cutter 10 is installed in the cutter groove of girff (being not drawn into girff in figure) by hob holder 101, and voussoir 12 is used
In in the gap being clamped between hob holder 101 and tool apron cutter groove, to prevent between hob holder 101 and girff cutter groove because of rolling
It chatters and is loosened caused by moving.
Specifically, turnbuckle 15 uses hexagon-headed bolt, and the cross section on head is in regular hexagon, turnbuckle 15
Shaft be equipped with the length of screw thread and shaft and be greater than the thickness for tensing top surface to the bottom surface of block 11.It tenses to offer on block 11 and pass through
The pulling eye (in figure for indicate pulling eye) for wearing its top and bottom, the bottom surface of hob holder 101 offer with it is described right
The comparable threaded hole (not indicating threaded hole in figure) of the quantity of pulling eye and position, in the present embodiment, pulling eye and screw thread
The quantity in hole is respectively two, and two pulling eyes are symmetrically disposed on the left and right sides portion for tensing block 11, and two threaded holes are symmetrically disposed on rolling
The bottom surface both side portion of knife tool apron 101, and the bottom surface of the top surface and tension block 11 of the bottom surface of hob holder 101 and tension block 11 is equal
In plane, three planes are parallel to each other, and the bottom surface of hob holder 101 and the top surface for tensing block 11 are bonded to each other, turnbuckle 15
The pulling eye and top that shaft is arranged on tension block 11 are pierced by the threaded hole screw thread company after pulling eye with 101 bottom surface of hob holder
It connects, so that tension block 11 to be fixedly connected on to the bottom of hob holder 101.The length of the shaft of turnbuckle 15 should be greater than
The requirement of its fastening that is spirally connected between threaded hole of further satisfaction on the basis of the width of tension block 11.The head of turnbuckle 15
Positioned at the subjacent for tensing block 11.
The two sides side adjacent with its bottom surface is equipped with wedge slot, the bottom of the wedge slot in the hob holder 101 of disk cutter
Be connected to tool apron bottom surface, form sleeveless jacket between the top of the wedge slot and the top side of tool apron, 12 wedging of voussoir in the wedge slot,
The top of voussoir 12 is resisted against sleeveless jacket, and the top outer of voussoir 12 protrudes from outside sleeveless jacket, and sleeveless jacket is the oblique bank tilted down
Shoulder, and the angle tilted down is about 30 degree to 45 degree.Voussoir 12 is rectangle voussoir, and the top both ends for tensing block 11 are respectively formed
There is the oblique shoulder tilted down, is arranged at an angle between voussoir 12 and tension block 12, institute is angled between the voussoir 12 of two sides
About 80 degree, the bottom surface of two voussoirs 12 is posted and fixed respectively in two oblique shoulders for tensing 11 top both ends of block.As shown in figure 3,
The width of voussoir 12 is slightly larger than the depth of the wedge slot on hob holder, so, it is ensured that voussoir 12 slightly protrudes from hob holder
101 both side surface, it is ensured that hob holder 101 can by 12 close installation of voussoir in girff cutter groove, voussoir 12 protrude
Face is tightly pressed on the cell wall of girff cutter groove, the gap between wedging hob holder 101 and girff cutter groove, when preventing hobboing cutter from operating
Vibration cause hobboing cutter deviate from girff cutter groove.
Further, hobboing cutter vibrates and turnbuckle 15 is caused to loosen in order to prevent, avoids tension block 11 from falling off, or even de-
Backwardness is stuck between girff cutter groove and hobboing cutter and causes the improper damage of hobboing cutter, causes the greater risk of shield-tunneling construction.It is tensing
Pad is equipped with one or more layers check washer 13 between the bottom surface of block 11 and the head of turnbuckle 15, offers on check washer 13
The through hole (diagram does not indicate through hole) passed through for turnbuckle 15, as shown in Fig. 2, the position of through hole and quantity are homogeneously worked as
It is also suitable with the quantity of turnbuckle 15 in the position and quantity, quantity for tensing the pulling eye on block.
The quantity that lock plugs with molten metal ring 14 is suitable with the quantity of the quantity of turnbuckle 15 and through hole, and lock plugs with molten metal ring 14 and is sheathed on tension
The head of bolt 15 is simultaneously fixedly connected on check washer 13.The head of turnbuckle 15 is in hexagon, and it is inner ring which, which plugs with molten metal ring 14,
Shape is matched with the metal ring body of hexagonal head, and check washer 13 is metal caul, and metal ring body and metal caul welding are solid
It is fixed, it is easy to operate by the way of being welded and fixed, it needs successively compared to traditional by the every of check washer upper fastening bolt
A fixed steel disc 90-degree bent makes it pack tightly the fastening means of bolt, substantially increases assembling speed, improves work efficiency.
In the present embodiment, the quantity of turnbuckle 15 is at least two, offers on a check washer 13 and turnbuckle
Comparable two through hole of quantity, the outer diameter of shaft in aperture and turnbuckle of through hole is suitable.
The present invention provides a kind of improved check washer for hobboing cutter, which successfully prevents turnbuckle
It loosens, also, compared to traditional needs that the fixed steel disc 90-degree bent of each of check washer upper fastening bolt is successively made it
The fastening means of bolt is packed tightly, assembling speed is fast, workload reduces, and greatly improves working efficiency.
In addition, quickly pacifying the present invention also provides a kind of method for rapidly mounting of the fixed stopping device of shield machine roller cutter
The method for filling the fixed stopping device of shield machine roller cutter in above-described embodiment, this method mainly comprise the steps that
Step 01: providing and tense block 11, tense block 11 and be equipped with the pulling eye for running through its top and bottom, tense block 11
Two sides are symmetrically connected with voussoir 12, and welding can be used between voussoir 12 and tension block 11 or bolt connecting mode is integrally fixed；
Step 02: the top surface for tensing block 11 being fitted in into the bottom surface of the hob holder 101 of disk cutter 10, voussoir 12 is bonded
The two sides adjacent with its bottom surface in hob holder 101, the bottom surface of hob holder 101 is equipped with threaded hole, threaded hole and to drawing
The quantity in hole and position are suitable, i.e., are arranged correspondingly；
Step 03: check washer 13 being provided, check washer 13 is fitted in the bottom surface for tensing block 11, is set on check washer 13
Have and the comparable through hole in pulling eye position；
Step 04: turnbuckle 15 being provided, the shaft of turnbuckle 15 is sequentially passed through into through hole and pulling eye and is spirally connected
In threaded hole, the head of turnbuckle 15 is tightened against to the lower surface for stating check washer, tightens turnbuckle 15 for check washer
13, block 11, voussoir 12 and hob holder 101 is tensed to tighten together；And
Step 05: lock being provided and plugs with molten metal ring 14, lock is pluged with molten metal into ring 14 and is sheathed on the head of turnbuckle 15, lock is pluged with molten metal into ring 14 and is prevented
Loose gasket 13 is welded and fixed.
Further, hobboing cutter 10 is disk cutter, and the two sides of disk cutter are respectively equipped with a hob holder 101, complete
Lock plug with molten metal ring 14 and check washer 13 the step of being welded and fixed after, hob holder 101 is connected to and tenses block 11 and voussoir 12 1
It rises and is installed in the cutter groove of girff, so that voussoir is arranged in the gap between hob holder and cutter groove, complete hobboing cutter and girff
Installation.
It should be noted that this specification structure depicted in this specification institute accompanying drawings, ratio, size etc., only to cooperate
The bright revealed content of book is not intended to limit the invention enforceable limit so that those skilled in the art understands and reads
Fixed condition, therefore do not have technical essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size, not
It influences still fall in disclosed technology contents under the effect of present invention can be generated and the purpose that can reach and obtain
In the range of capable of covering.Meanwhile it is cited such as "upper", "lower", "left", "right", " centre " and " one " in this specification
Term is merely convenient to being illustrated for narration, rather than to limit the scope of the invention, the change of relativeness or tune
It is whole, under the content of no substantial changes in technology, when being also considered as the enforceable scope of the present invention.
The above is only presently preferred embodiments of the present invention, not does limitation in any form to the present invention, though
So the present invention has been disclosed as a preferred embodiment, and however, it is not intended to limit the invention, any technology people for being familiar with this profession
Member, in the range of not departing from technical solution of the present invention, when the technology contents using the disclosure above make a little change or repair
Decorations are the equivalent embodiment of equivalent variations, but anything that does not depart from the technical scheme of the invention content, technology according to the present invention are real
Matter any simple modification, equivalent change and modification to the above embodiments, still fall within the range of technical solution of the present invention
It is interior.
Claims (10)
1. a kind of fixed stopping device of quick-installed shield machine roller cutter characterized by comprising
Block is tensed, the bottom of hob holder is fixedly connected on by turnbuckle, the bottom surface of the hob holder is equipped with threaded hole,
The tension block is equipped with perforative pulling eye, and the head of the turnbuckle is located at the subjacent for tensing block, described
The shaft of turnbuckle is arranged in the pulling eye and is bolted in the threaded hole；
Voussoir is connected to the two sides for tensing block and fits in two sides adjacent with the bottom surface in the hob holder；
Check washer, pad are set between the head of the turnbuckle and the bottom surface for tensing block, set on the check washer
There is the through hole that the shaft for the turnbuckle passes through；And
Lock plugs with molten metal ring, and the lock plugs with molten metal ring set set on the head of the turnbuckle and is fixedly connected on the check washer.
2. the fixed stopping device of quick-installed shield machine roller cutter as described in claim 1, it is characterised in that: the tension
The head of bolt is hexagonal head, and it is the metal ring body that interior loop-shaped is matched with the hexagonal head that the lock, which plugs with molten metal ring,.
3. the fixed stopping device of quick-installed shield machine roller cutter as claimed in claim 2, it is characterised in that: the metal
Ring body is welded and fixed with the check washer.
4. the fixed stopping device of quick-installed shield machine roller cutter as described in claim 1, it is characterised in that: hobboing cutter is disk
Shape hobboing cutter, the two sides of the disk cutter are respectively equipped with the hob holder, and the hob holder is installed in the cutter groove of girff,
The voussoir is arranged in the gap between the hob holder and the cutter groove.
5. the fixed stopping device of quick-installed shield machine roller cutter as claimed in claim 4, it is characterised in that: the hobboing cutter
The two sides of tool apron are formed with wedge slot, and the bottom of the wedge slot is connected to the bottom surface, the top and top of the wedge slot
Sleeveless jacket is formed between side, the voussoir wedging is resisted against the sleeveless jacket in the wedge slot at the top of the voussoir.
6. the fixed stopping device of quick-installed shield machine roller cutter as claimed in claim 5, it is characterised in that: the voussoir
Width be greater than the wedge slot width.
7. the fixed stopping device of quick-installed shield machine roller cutter as claimed in claim 5, it is characterised in that: the hobboing cutter
The bottom surface of tool apron is in a plane.
8. the fixed stopping device of quick-installed shield machine roller cutter as described in claim 1, it is characterised in that: the tension
The quantity of bolt is at least two, offers on a check washer and the comparable through hole of the quantity of the turnbuckle, institute
The aperture for stating through hole is suitable with the outer diameter of the shaft of the turnbuckle.
9. a kind of method for rapidly mounting of the fixed stopping device of shield machine roller cutter, which is characterized in that comprising steps of
It provides and tenses block, the block that tenses is equipped with the pulling eye for running through top and bottom, and the two sides for tensing block symmetrically connect
It is connected to voussoir；
By it is described tense block top surface fit in the bottom surface of hob holder, the voussoir fit in the hob holder with it is described
The bottom surface of the adjacent two sides in bottom surface, the hob holder is equipped with threaded hole, and the threaded hole is suitable with the pulling eye position；
There is provided check washer, by the check washer fit in tense block bottom surface, the check washer be equipped with it is described right
The comparable through hole in pulling eye position；
Turnbuckle is provided, the shaft of the turnbuckle is sequentially passed through into the through hole and the pulling eye and is bolted in institute
Threaded hole is stated, the head of the turnbuckle is tightened against to the lower surface of the check washer；And
There is provided lock plugs with molten metal ring, by it is described lock plug with molten metal ring set set on the turnbuckle head on, by it is described lock plug with molten metal ring with it is described locking
Gasket is welded and fixed.
10. the method for rapidly mounting of the fixed stopping device of shield machine roller cutter as described in claim 1, it is characterised in that: hobboing cutter
For disk cutter, the two sides of the disk cutter are respectively equipped with the hob holder, complete it is described lock plug with molten metal ring with it is described locking
Gasket the step of being welded and fixed after, the hob holder is installed in the cutter groove of girff, the voussoir is arranged in described
In gap between hob holder and the cutter groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910078349.XA CN109779644A (en) | 2019-01-28 | 2019-01-28 | The fixed stopping device of shield machine roller cutter and its method for rapidly mounting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910078349.XA CN109779644A (en) | 2019-01-28 | 2019-01-28 | The fixed stopping device of shield machine roller cutter and its method for rapidly mounting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109779644A true CN109779644A (en) | 2019-05-21 |
Family
ID=66502705
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910078349.XA Pending CN109779644A (en) | 2019-01-28 | 2019-01-28 | The fixed stopping device of shield machine roller cutter and its method for rapidly mounting |
Country Status (1)
| Country | Link |
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| CN (1) | CN109779644A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201714811U (en) * | 2010-06-18 | 2011-01-19 | 慎江阀门有限公司 | Anti-loosening stop mechanism |
| CN102635366A (en) * | 2012-04-26 | 2012-08-15 | 上海隧道工程股份有限公司 | Self-positioning disc-type hob device |
| CN103498856A (en) * | 2013-09-10 | 2014-01-08 | 北京航空航天大学 | Damping device of bolt fastener on surface of high-speed rotor |
| CN206785836U (en) * | 2017-06-01 | 2017-12-22 | 上海锐拓五金制品有限公司 | A kind of accurate torque fastener |
| CN108119155A (en) * | 2017-12-20 | 2018-06-05 | 中交第四航务工程局有限公司 | Shield machine disk cutter installation locking system |
| CN207485817U (en) * | 2017-11-28 | 2018-06-12 | 江西联合标准件制造有限公司 | A kind of concealed chrome molybdenum opposite sex bolt |
-
2019
- 2019-01-28 CN CN201910078349.XA patent/CN109779644A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201714811U (en) * | 2010-06-18 | 2011-01-19 | 慎江阀门有限公司 | Anti-loosening stop mechanism |
| CN102635366A (en) * | 2012-04-26 | 2012-08-15 | 上海隧道工程股份有限公司 | Self-positioning disc-type hob device |
| CN103498856A (en) * | 2013-09-10 | 2014-01-08 | 北京航空航天大学 | Damping device of bolt fastener on surface of high-speed rotor |
| CN206785836U (en) * | 2017-06-01 | 2017-12-22 | 上海锐拓五金制品有限公司 | A kind of accurate torque fastener |
| CN207485817U (en) * | 2017-11-28 | 2018-06-12 | 江西联合标准件制造有限公司 | A kind of concealed chrome molybdenum opposite sex bolt |
| CN108119155A (en) * | 2017-12-20 | 2018-06-05 | 中交第四航务工程局有限公司 | Shield machine disk cutter installation locking system |
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Application publication date: 20190521 |