CN208605189U - A kind of half cladding Portable dismantling type shield scraper - Google Patents
A kind of half cladding Portable dismantling type shield scraper Download PDFInfo
- Publication number
- CN208605189U CN208605189U CN201821240528.6U CN201821240528U CN208605189U CN 208605189 U CN208605189 U CN 208605189U CN 201821240528 U CN201821240528 U CN 201821240528U CN 208605189 U CN208605189 U CN 208605189U
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- China
- Prior art keywords
- scraper
- dowel hole
- cutter hub
- mounting base
- slot
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Abstract
The utility model discloses a kind of half cladding Portable dismantling type shield scrapers, including scraper body, scraper mounting base, bolt pin and cover type nut, the scraper body includes cutter hub and knife handle, the top of the cutter hub is provided with alloy blade, the back side of the cutter hub is provided with barb block, and the first dowel hole is provided on the knife handle；The scraper mounting base back side is provided with welding detent, and scraper mounting base front offers the handle slot with the barb slot of barb block cooperation and with knife handle cooperation, and handle slot both sides offer the second dowel hole and third dowel hole respectively；The bolt pin sequentially passes through the second dowel hole, the first dowel hole and third dowel hole, and the cover type nut rotation is screwed into bolt pin.The half cladding Portable dismantling type shield blade construction of the utility model is compact, partly envelopes scraper body by scraper mounting base, substantially increases the security reliability of scraper, also extends the service life of scraper, while replacing convenient for scraper.
Description
Technical field
The utility model relates to tunnel construction apparatus fields, specifically design half cladding Portable dismantling type shield of one kind and scrape
Knife.
Background technique
The complex formation operating condition of shield-tunneling construction is generally more severe, and abrasion, the failure of scraper are inevitable, and constructs
Replacement cutter is frequently necessary in journey, but due to the limitation of shield machine working environment and working principle, tool changing operating environment is severe, because
The more firm structure of this demand and more convenient and fast mounting means, and conventional drag mounting structure is complicated, disassembly is inconvenient, and shock resistance
Limited capacity is easily fallen off.In case of tool damage or falling off in operation process, all by extreme influence job scheduling.
Chinese patent CN 201420638556.9 discloses a kind of shield machine scraper mechanism, includes mainly scraper body, scrapes
Knife pedestal, shield machine spoke mainboard, the scraper pedestal are welded on shield machine spoke mainboard, and the scraper body cutter hub is logical
It crosses bolt to be fastened with tool apron, a raised step is arranged in one end of the scraper pedestal, sets at the cutter head of the scraper body
A cutter head eave tile is set, the raised step and the cutter head eave tile are coupled.But fastening spiral shell when scraper replacement, installation
Bolt needs biggish pretightning force, and the replacement operation environment crossed in the construction process is harsh, space is limited, and mechanically aided tool can not
It brings into or flexibly uses, warehouse entry tool changing task difficulty is big, and the structure is easily caused connection bolt by front or side impact
Failure, so that insecure be easy to happen of Cutting tool installation manner falls off etc. for topic all extreme influence project progress.
Chinese patent CN201520209895.X discloses a kind of novel combination type shield scraper, mainly by scraper body,
Fixation is bolted in alloy body, wearing layer, bolt and the tool apron composition being fixed on cutter head panel, the scraper body
On tool apron, the scraper body back side is provided with positive stop lug boss, location and installation slot and positioning groove, and the tool apron is equipped with and determines
The positive stop lug boss of position mounting groove cooperation and the clamping convex platform cooperated with positioning groove.But the connection bolt of the scraper is easy to lose
Effect and installation and replacement are difficult, and cutter hub is much higher by mounting base, considerably increases what scraper was subject in use in this way
Resistance, and the scraper body is when by side impact force, other than bolt, branch of the scraper body without other support forces
Support is easy to cause scraper damage deformation in this way, greatly reduces the service life and cost of scraper.
Utility model content:
In view of the shortcomings of the prior art, to provide a kind of close structure, long service life, replacement convenient and simple for the utility model
Half cladding Portable dismantling type shield scraper.
Technical problem to be solved in the utility model is realized using following technical scheme:
A kind of half cladding Portable dismantling type shield scraper, including scraper body, scraper mounting base, bolt pin and cap-type spiral shell
Mother, the scraper body include cutter hub and knife handle, and the cutter hub and knife handle are integrally formed, and the top of the cutter hub is provided with alloy
Blade, the back side of the cutter hub are provided with barb block, and the first dowel hole, first dowel hole are provided on the knife handle
Through knife handle two sides；The scraper mounting base back side is provided with welding detent, and scraper mounting base front offers and falls
The barb slot of hooked scarf cooperation and the handle slot cooperated with knife handle, handle slot both sides offer respectively and the first dowel hole cooperates
The second dowel hole and third dowel hole；In the knife handle insertion handle slot, the barb block is caught in barb slot, the spiral shell
Latching sequentially passes through the second dowel hole, the first dowel hole and third dowel hole, and the cover type nut rotation is screwed into bolt
Pin, is provided with gasket, is provided between the cover type nut and third positioning pin between the bolt pin and the second dowel hole
Gasket.
As a kind of optimization of the utility model, the scraper body is arranged to T-shaped structure.
As a kind of optimization of the utility model, the alloy blade is embedded on cutter hub vertically.
As a kind of optimization of the utility model, the corner of the cutter hub back side and cutter hub top surface is arranged to bevel structure.
As a kind of optimization of the utility model, second dowel hole is provided with bolt head locating slot, the third
Dowel hole is provided with nut locating slot.
As a kind of optimization of the utility model, the quantity of the alloy blade is 9 pieces, with 3 pieces for a row, 3 rows difference
It is arranged along cutter hub length direction on cutter hub top.
As a kind of optimization of the utility model, it is provided on the front of the scraper body and scraper mounting base wear-resisting
Layer.
A kind of half cladding Portable dismantling type shield scraper provided by the utility model, has following beneficial effect:
1, a kind of half cladding Portable dismantling type shield scraper provided by the utility model, compared with existing shield scraper,
The fixing bolt pin of the utility model laterally penetrates, and in this way when shield scraper is impacted, bolt pin will not be because of scraper master
Body and scraper mounting base misplace and cause to deform, and considerably increase the service life of bolt in this way, meanwhile, side bolt latch structure can
So that shield scraper is not limited in replacement process by space, bolt pin is removed from side, scraper body is then pulled up from above
Can, improve the convenience of replacement scraper.
2, a kind of half cladding Portable dismantling type shield scraper provided by the utility model, in the feelings for having barb block and barb slot
Under condition, knife handle and handle slot structure are also used, scraper mounting base version is made to wrap scraper body, considerably increases the anti-of shield scraper
Impact force guarantees that shield scraper relies only on bolt pin and cover type nut not merely to fix, also fixes position using handle slot, subtract
The pressure of bolt pin and cover type nut is lacked, has also substantially increased the reliability of shield scraper, has avoided falling off in use
Deformation.
3, a kind of half cladding Portable dismantling type shield scraper provided by the utility model is provided with scraper mounting base, described to scrape
It is provided with welding detent behind knife mounting base, can be welded on cutter head of shield machine, substantially increases bonding area, it is relatively existing
Shield scraper, substantially increase whole security reliability.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that the utility model half coats Portable dismantling type shield scraper；
Fig. 2 is the explosive view that the utility model half coats Portable dismantling type shield scraper；
Fig. 3 is the structural schematic diagram of the utility model scraper body；
Fig. 4 is the structural schematic diagram of the utility model scraper mounting base.
Appended drawing reference: 1, alloy blade；2, scraper mounting base；3, bolt pin；4, gasket；5, cover type nut；6, knife handle；7,
Cutter hub；8, detent is welded；9, barb block；10, the first dowel hole；11, third dowel hole；12, barb slot；13, handle slot；
14, the second dowel hole.
Specific embodiment
In the following, being described further in conjunction with attached drawing and specific embodiment to the utility model:
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, a kind of half cladding Portable dismantling type shield scraper, including scraper body, scraper
Mounting base 2, bolt pin 3 and cover type nut 5, the scraper body is in T shape, and the scraper body includes cutter hub 7 and knife handle 6,
The cutter hub 7 is integrally formed with knife handle 6, and the back side of the cutter hub 7 and the corner of an end face are arranged to inclined-plane, the cutter hub 7
Top is provided with alloy blade 1, and the quantity of the alloy blade 1 is 9 pieces, and with 3 pieces for a row, 3 rows are respectively along 7 length side of cutter hub
To being arranged on 7 top of cutter hub, the alloy blade 1 is embedded in vertically on cutter hub 7, and the back side of the cutter hub 7 is provided with barb block
9, the first dowel hole 10 is provided on the knife handle 6, first dowel hole 10 runs through 6 two sides of knife handle；The scraper
2 back side of mounting base is provided with welding detent 8, and the welding detent 8 is welded on the cutterhead of shield machine, the scraper mounting base 2
The handle slot 13 that front offers the barb slot 12 cooperated with barb block 9 and cooperates with knife handle 6,13 both sides of handle slot are opened respectively
Equipped with the second dowel hole 14 and third dowel hole 11 cooperated with the first dowel hole 10, second dowel hole 14 is set
It is equipped with bolt head locating slot, the third dowel hole 11 is provided with nut locating slot；The knife handle 6 is inserted into handle slot 13, institute
It states barb block 9 to be caught in barb slot 12, the bolt pin 3 sequentially passes through the second dowel hole 14, the first dowel hole 10 and
Three dowel holes 11, the rotation of cover type nut 5 are screwed into bolt pin 3, are arranged between the bolt pin 3 and the second dowel hole 14
There is gasket 4, is provided with gasket 4 between the cover type nut 5 and third positioning pin.
In addition, being provided with wearing layer on the front of the scraper body and scraper mounting base 2.
A kind of half cladding Portable dismantling type shield scraper provided by the utility model, has following beneficial effect:
1, a kind of half cladding Portable dismantling type shield scraper provided by the utility model, compared with existing shield scraper,
The fixing bolt pin 3 of the utility model laterally penetrates, and in this way when shield scraper is impacted, bolt pin 3 will not be because of scraper
Main body and scraper mounting base 2 misplace and cause to deform, and considerably increase the service life of bolt in this way, meanwhile, 3 knot of side bolt pin
Structure can be such that shield scraper is not limited by space in replacement process, remove bolt pin 3 from side, then pull up and scrape from above
Knife main body can, improve replacement scraper convenience.
2, a kind of half cladding Portable dismantling type shield scraper provided by the utility model, is there is barb block 9 and barb slot 12
In the case where, 13 structure of knife handle 6 and handle slot is also used, makes scraper mounting base 2 editions to wrap scraper body, considerably increases shield
The anti-impact force of scraper guarantees that shield scraper relies only on bolt pin 3 and cover type nut 5 not merely to fix, also utilizes handle slot 13
Position is fixed, reduces the pressure of bolt pin 3 and cover type nut 5, also substantially increases the reliability of shield scraper, avoid
Fall off deformation in use process.
3, a kind of half cladding Portable dismantling type shield scraper provided by the utility model is provided with scraper mounting base 2, described
It is provided with welding detent 8 behind scraper mounting base 2, can be welded on cutter head of shield machine, substantially increase bonding area, relatively
Existing shield scraper, substantially increases whole security reliability.
It will be apparent to those skilled in the art that can make various other according to the above description of the technical scheme and ideas
Corresponding change and deformation, and all these changes and deformation all should belong to the protection of the utility model claims
Within the scope of.
Claims (7)
1. a kind of half cladding Portable dismantling type shield scraper, it is characterised in that: including scraper body, scraper mounting base, bolt pin
And cover type nut, the scraper body include cutter hub and knife handle, the cutter hub and knife handle are integrally formed, and the top of the cutter hub is set
It is equipped with alloy blade, the back side of the cutter hub is provided with barb block, it is provided with the first dowel hole on the knife handle, described first
Dowel hole runs through knife handle two sides；The scraper mounting base back side is provided with welding detent, and scraper mounting base front is opened
Handle slot equipped with the barb slot cooperated with barb block and with knife handle cooperation, handle slot both sides offer and the first positioning respectively
The second dowel hole and third dowel hole of pin hole cooperation；In the knife handle insertion handle slot, the barb block is caught in barb slot
In, the bolt pin sequentially passes through the second dowel hole, the first dowel hole and third dowel hole, the cover type nut rotation
Be screwed into bolt pin, be provided with gasket between the bolt pin and the second dowel hole, the cover type nut and third positioning pin it
Between be provided with gasket.
2. a kind of half cladding Portable dismantling type shield scraper according to claim 1, it is characterised in that: the scraper body
It is arranged to T-shaped structure.
3. a kind of half cladding Portable dismantling type shield scraper according to claim 1, it is characterised in that: the alloy blade
It is embedded on cutter hub vertically.
4. a kind of half cladding Portable dismantling type shield scraper according to claim 1, it is characterised in that: the cutter hub back side
It is arranged to bevel structure with the corner of cutter hub top surface.
5. a kind of half cladding Portable dismantling type shield scraper according to claim 1, it is characterised in that: second positioning
Pin hole is provided with bolt head locating slot, and the third dowel hole is provided with nut locating slot.
6. a kind of half cladding Portable dismantling type shield scraper according to claim 1, it is characterised in that: the alloy blade
Quantity be 9 pieces, with 3 pieces be a row, 3 rows respectively along cutter hub length direction be arranged on cutter hub top.
7. a kind of half cladding Portable dismantling type shield scraper according to claim 1, it is characterised in that: the scraper body
Wearing layer is provided with on the front of scraper mounting base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821240528.6U CN208605189U (en) | 2018-08-02 | 2018-08-02 | A kind of half cladding Portable dismantling type shield scraper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821240528.6U CN208605189U (en) | 2018-08-02 | 2018-08-02 | A kind of half cladding Portable dismantling type shield scraper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208605189U true CN208605189U (en) | 2019-03-15 |
Family
ID=65670285
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821240528.6U Active CN208605189U (en) | 2018-08-02 | 2018-08-02 | A kind of half cladding Portable dismantling type shield scraper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208605189U (en) |
-
2018
- 2018-08-02 CN CN201821240528.6U patent/CN208605189U/en active Active
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