CN208702415U - The rotational automatic tool changing device of three tool apron of shield machine - Google Patents
The rotational automatic tool changing device of three tool apron of shield machine Download PDFInfo
- Publication number
- CN208702415U CN208702415U CN201821476903.7U CN201821476903U CN208702415U CN 208702415 U CN208702415 U CN 208702415U CN 201821476903 U CN201821476903 U CN 201821476903U CN 208702415 U CN208702415 U CN 208702415U
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- Prior art keywords
- tool
- cutter
- shield machine
- girff
- sides
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- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The utility model discloses a kind of rotational automatic tool changing devices of three tool apron of shield machine, including the girff, three groups of cutters and the auxiliary device rubber weather strip that are made of regular triangular prism and high pressure nozzle, and three groups of cutters are evenly distributed on the center of three sides of triangular prism, rubber weather strip is set to girff working face two sides and cutterhead contact position, high pressure nozzle is symmetrically disposed at the cutter axis of two sides, and with rubber weather strip at a distance of 5cm.Position limited gear is connected with triangular prism girff center by rotating drive shaft, and angle is 120 ° in position limited gear two sides, and between two limit jack for the first limit jack, the second limit jack left and right settings, and power transmission gear is meshed transmission with position limited gear.The apparatus structure is simple, good reliability, can automatically switch cutter head of shield machine cutter, convenient and efficient, solves the problems such as artificial tool changing difficulty is big, risk is high, at high cost.
Description
Technical field
The utility model belongs to Suporting structure technical field, specially a kind of rotational automatic tool changing dress of three tool apron of shield machine
It sets.
Background technique
With the acceleration of Urbanization in China, city track traffic engineering, which becomes, alleviates each big-and-middle urban traffic pressure
Inevitable choice.Because shield machine tunneling has many advantages, such as that high degree of automation, speed of application be fast, quilt smaller to ground disturbance
It is widely used in the excavation of subterranean tunnel.
During Shield Tunneling, due to factors such as complicated geological conditions and long range shield-tunneling construction, cause
What cutterhead was fixed a cutting tool is seriously worn or needs to change the appearance of different type cutter situation.At this stage, shield machine tool changing needs operation
Personnel enter the tool changing with pressure of high pressure soil storehouse by cumbersome voltage boosting-reducing process, and not only risk is high, difficulty is big for this mode,
Also add time and the cost of construction.
A kind of therefore, it is necessary to study structures simple, safe and reliable cutter head of shield machine automatic tool changer, solves existing
Technical problem.
Summary of the invention
The utility model aim is to propose that the rotational automatic tool changing of three tool apron of shield machine that a kind of structure is simple, safe and reliable fills
It sets, to solve the problems, such as that shield machine tool changing risk existing in the prior art is high, difficulty is big, reaches and improve operating efficiency, protection
The purpose of operating personnel.
The utility model adopts the following technical scheme that realization:
A kind of rotational automatic tool changing device of three tool apron of shield machine, including three tool apron girffs being installed on cutter head of shield machine,
The shape of the three tool aprons girff is positive triangular prism shape, and three sides of the three tool aprons girff are separately installed with cutter, described
The axial centre of three tool apron girffs is equipped with rotating drive shaft, and rotating drive shaft shaft end portion is fixedly installed with position limited gear,
The position limited gear and power transmission gear engaged transmission, the power transmission gear are installed on power transmission shaft, the limit
The two sides of position gear are provided with the first limit jack and the second limit jack, the first limit jack and the second limit
The telescopic rod of jack can be butted on the between cog of position limited gear after stretching out；Its certain one side is located at after the three tool aprons girff rotation
As working face when cutterhead surface, rubber weather strip is equipped between the working face and the two sides contact position on cutterhead surface.
When work, girff is made of regular triangular prism, cutter is evenly distributed on the center of three sides of triangular prism, and cutter is located at
Within entire rotational circle, rubber weather strip is set to girff working face two sides and cutterhead surface contact position.Position limited gear and trigone
Column girff center is connected by rotating drive shaft, and the first limit jack, the second limit jack left and right settings are in position limited gear
Two sides, power transmission gear are located at immediately below position limited gear, and be meshed transmission with position limited gear.Under normality, certain side of girff
It is located at cutterhead surface after the rotation of face, the first limit jack and the second limit jack prevent position limited gear from rotating jointly.Work as shield
When structure machine tunnels, the revolution of cutterhead utilizes rock mass or the soil body in front of its digging of fixing a cutting tool.After tool damage, the first limit is very heavy
The oil cylinder off-load on top and the second limit jack, piston rod shortens stroke, while power transmission gear drives position limited gear rotation
120 °, first limit jack and second limit jack oil cylinder reload, piston rod elongation, locking position limited gear.This
When girff under the drive of rotating drive shaft simultaneously rotation 120 °, damaged the new cutter that old cutter is switched to second side, shield
Structure machine continues to tunnel, while rubber weather strip has completely cut off muddy water when cutter head of shield machine works, and makes to form enclosure space at girff.
Preferably, it is located at beside each rubber weather strip on cutterhead surface and is equipped with high pressure nozzle, when certain one side on girff
It fixes a cutting tool after damage, high pressure nozzle can just wash off surface soil sandstone to old cutter, then be rotated.
Different geological state when preferably, to adapt to shield driving improves and excavates efficiency, reduces tool damage expense,
Different types of cutter is set on three tool apron rotating devices, cutter, serrated knife, hobboing cutter, three knives are respectively set at three center sides
Centerlines are 120 ° to tool two-by-two.
Preferably, for reduce cutter head of shield machine use several automatic tool changers volume, improve system stability,
The mode of multiple groups cutter is respectively set in one side of girff using the length for increasing regular triangular prism girff in reliability, meanwhile,
In addition two sides can choose suitable multiple groups cutter according to geological condition.
Compared with prior art, the beneficial effects of the utility model are as follows:
1, cutter head of shield machine can replace cutter automatically, can be applied to long range, complex geologic conditions, underwater shield tunnel
Driving in, structure is simple, safe and reliable, achievees the purpose that improve operating efficiency, protection operating personnel.
2, rubber weather strip and high pressure nozzle are set on three tool apron rotating devices, it is high when tool apron rotary cutting tool changing head
Pressure nozzle is rinsed old cutter head, prevents soil sandstone etc. from entering girff, while rubber weather strip has completely cut off shield machine work
When muddy water, make at girff formed enclosure space, be conducive to the functional reliability and stability of tool changing device.
3, different types of cutter is set on regular triangular prism girff, as be respectively set at three center sides hobboing cutter, cutter,
Serrated knife etc., different geological state when adapting to shield driving improve and excavate efficiency, reduce tool damage expense.
4, increase regular triangular prism girff length, multiple groups cutter is respectively set according to geological state in its side, as center is set
A hobboing cutter is set, one group of shell knife is symmetrically respectively arranged in two sides, to reduce cutter head of shield machine volume, improves the stability, reliable of system
Property.
The utility model is designed reasonably, specific practical application and promotional value well.
Detailed description of the invention
Fig. 1 shows the rotational automatic tool changing device structural schematic diagrams of three tool apron of shield machine.
Fig. 2 indicates the rotational automatic tool changing device top view of three tool apron of shield machine.
Fig. 3 indicates three tool apron rotary device structure schematic diagrames.
Fig. 4 indicates limit power system architecture schematic diagram.
Fig. 5 indicates compound three tool aprons rotary device structure schematic diagram.
Fig. 6 indicates compound three tool apron rotating device Local map of multi-knife-head.
In figure: 1- cutterhead, tri- tool apron girff of 2-, 3- hobboing cutter, 4- hobboing cutter operating room, 5- rubber weather strip, 6- high pressure nozzle,
7- rotating drive shaft, 8- position limited gear, 9- first limit jack, and 10- second limits jack, 11- power transmission shaft, 12-
Power transmission gear, 13- cutter, 14- serrated knife, 15- shell knife.
Specific embodiment
The following are the contents, features and effects for further illustrating the utility model, make specifically referring to drawings and examples
It is bright.
A kind of rotational automatic tool changing device of three tool apron of shield machine, including three tool apron rotating devices and limit dynamical system.Its
In three tool apron rotating devices, including three tool apron girffs 2, cutter and the auxiliary device rubber weather strip 5 being made of regular triangular prism
With high pressure nozzle 6；Dynamical system is limited, including position limited gear 8, first limits jack 9, second and limits jack 10 and power
Transmission gear 12 etc..
As shown in Figure 1, three tool apron girffs 2 being installed on cutter head of shield machine 1, three sides difference of three tool apron girffs 2
Cutter is installed, the axial centre of three tool apron girffs 2 is equipped with rotating drive shaft 7, and 7 shaft end portion of rotating drive shaft is fixedly installed with
Position limited gear 8,12 engaged transmission of position limited gear 8 and power transmission gear, power transmission gear 12 are installed on power transmission shaft 11
On, the two sides of position limited gear 8 are provided with the first limit jack 9 and the second limit jack 10, the first limit jack 9 and the
The telescopic rod of two limit jack 10 can be butted on the between cog of position limited gear 8 after stretching out.Its certain side after the rotation of three tool apron girffs 2
As working face when face is located at 1 surface of cutterhead, rubber weather strip is equipped between the two sides contact position on 1 surface of the working face and cutterhead
5。
When specific works, three tool apron rotating device main bodys are regular triangular prism girff 2, are respectively set in three of them center side
One hobboing cutter 3 and hobboing cutter operating room 4(hobboing cutter 3 are located at hobboing cutter operating room 4).When shield machine driving, the revolution of cutterhead 1 and hobboing cutter
Rock mass or the soil body in front of 3 rotation digging.After tool damage, high pressure nozzle 6 can just wash off surface mud to old cutter
Soil sand stone, subsequent first limit jack 9, second limit 10 oil cylinder off-load of jack, and piston rod shortens stroke, while power passes
Moving gear 12 drives position limited gear 8 to rotate 120 °, and the first limit jack 9, second limits the load of 10 oil cylinder of jack, piston rod
Elongation, locking position limited gear 8.At this moment girff 1 also rotates 120 ° under the drive of rotating drive shaft 7, has damaged old cutter switching
For the new cutter of second side, shield machine continues to tunnel, while rubber weather strip 5 has completely cut off muddy water when shield machine works, and makes
Enclosure space is formed at girff.
As shown in Fig. 2, rubber weather strip 5 is set to 2 two sides of girff and 1 surface contact position of cutterhead；High pressure nozzle 6 is symmetrically set
Be placed in 2 two sides of girff, and with 3 coaxial line of hobboing cutter, and with rubber weather strip 5 at a distance of 5cm；Position limited gear 8 and girff 2 pass through rotation
Transmission shaft 7 is coaxially connected, and the axle position is at 2 front equilateral triangle center of girff；First limit jack 9, second limit thousand
Jin top 10 is symmetrical set in 8 two sides of position limited gear.
As shown in figure 3, be equilateral triangle before three tool apron rotating device girffs 2, a hobboing cutter 3 is respectively set at three side centers, three
Centerlines are 120 ° to cutter two-by-two.After the tool damage of front, through limiting the work of dynamical system, so that girff 2 revolves
Turn 120 ° and go to second side, shield machine drives No. two new cutters to continue to tunnel；After No. two tool damages, through limiting dynamical system
The work of system, so that girff 2 rotates 120 ° again goes to third side, shield machine drives No. three new cutters to continue to tunnel.Cutter is more
Before changing, high pressure nozzle 6 need to just be rinsed to old cutter is damaged, and remove surface soil sandstone.
As shown in figure 4, limit dynamical system is made of caging system and dynamical system, wherein caging system includes limiting tooth
Wheel the 8, first limit jack 9, second limits jack 10, and dynamical system includes power transmission gear 12, power transmission shaft 11.
Position limited gear 8 is engaged with about 12 power transmission gear, and two axis are parallel；It is left that first limit jack 9, second limits jack 10
Right to be arranged in 8 two sides of position limited gear, angle is 120 °.
Different geological states is often encountered in shield driving, different geology should select different cutters, to improve
It excavates efficiency, reduce tool damage expense, different type cutter is set preferably on three tool apron rotating devices, it is compound to adapt to
Geo-logical terrain.As shown in figure 5, being equilateral triangle before girff 2, cutter 13, serrated knife 14, hobboing cutter 3 is respectively set at three side centers,
Centerlines are 120 ° to three cutters two-by-two.Generally, cutter 13 or serrated knife 14 are selected when weak soil and soft rock strata excavate,
Hobboing cutter 3 is selected when digging hard formation.Before cutter switching, high pressure nozzle 6 need to just be rinsed to old cutter is damaged, and remove surface soil
Sandstone.Before cutter switching, high pressure nozzle 6 need to just rinse former cutter, remove surface soil sandstone.
The volume that several automatic tool changers are used for reduction cutter head of shield machine, improves stability, the reliability of system,
Preferably, multiple groups cutter is respectively set in 2 one sides of girff in the length for increasing regular triangular prism girff 2, and Fig. 6 is compound multitool
First three tool aprons rotating device Local map.One hobboing cutter 3 is set at work at present face center, one group of shell knife is symmetrically respectively arranged in two sides
15, shell knife 15 can be used as advanced knife cutting cobble.Meanwhile in addition two sides can choose suitable multiple groups knife according to geological condition
Head.Before cutter switching, high pressure nozzle 6 need to just rinse former cutter, remove surface soil sandstone.Preferably, being adapted to property
Increase or improve rotating drive shaft 7, position limited gear 8, first limits jack 9, second and limits jack 10 and power transmission tooth
Size, intensity or the power of wheel 12, power transmission shaft 11 and other auxiliary equipments.
In addition, Tool Wear Monitoring device is arranged on cutterhead, and assist through monitoring camera to cutterhead working condition
And tool wear situation carries out implementation monitoring.
It should be pointed out that for the those skilled in the art of the art, before not departing from the utility model principle
It puts, several improvement and application can also be made, these are improved and application is also considered as the protection scope of the utility model.
Claims (6)
1. a kind of rotational automatic tool changing device of three tool apron of shield machine, it is characterised in that: including being installed on cutter head of shield machine (1)
Three tool apron girffs (2), the shape of the three tool aprons girff (2) are positive triangular prism shape, three sides of the three tool aprons girff (2)
It is separately installed with cutter, the axial centre of the three tool aprons girff (2) is equipped with rotating drive shaft (7), the rotating drive shaft
(7) shaft end portion is fixedly installed with position limited gear (8), the position limited gear (8) and power transmission gear (12) engaged transmission, described
Power transmission gear (12) is installed on power transmission shaft (11), and the two sides of the position limited gear (8) are provided with the first limit thousand
Jin top (9) and the second limit jack (10), the telescopic rod of first limit jack (9) and the second limit jack (10)
The between cog of position limited gear (8) can be butted on after stretching；Its certain one side is located at cutterhead (1) after three tool aprons girff (2) rotation
As working face when surface, rubber weather strip (5) are equipped between the working face and the two sides contact position on cutterhead (1) surface.
2. the rotational automatic tool changing device of three tool apron of shield machine according to claim 1, it is characterised in that: the cutterhead (1)
It is located at beside each rubber weather strip (5) on surface and is equipped with high pressure nozzle (6).
3. the rotational automatic tool changing device of three tool apron of shield machine according to claim 2, it is characterised in that: the high pressure nozzle
(6) with rubber weather strip (5) at a distance of 5cm.
4. the rotational automatic tool changing device of three tool apron of shield machine according to claim 1, it is characterised in that: first limit
Angle is 120 ° between jack (9) and the second limit jack (10).
5. the rotational automatic tool changing device of three tool apron of shield machine according to claim 1, it is characterised in that: the three tool aprons knife
Three sides of case (2) are separately installed with hobboing cutter (3), cutter (13) and serrated knife (14).
6. the rotational automatic tool changing device of three tool apron of shield machine according to claim 1, it is characterised in that: the three tool aprons knife
Each side of case (2) is respectively mounted there are three cutter, wherein centre installation hobboing cutter (3), the both sides positioned at hobboing cutter are symmetrically installed shellfish
Shell knife (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821476903.7U CN208702415U (en) | 2018-09-11 | 2018-09-11 | The rotational automatic tool changing device of three tool apron of shield machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821476903.7U CN208702415U (en) | 2018-09-11 | 2018-09-11 | The rotational automatic tool changing device of three tool apron of shield machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208702415U true CN208702415U (en) | 2019-04-05 |
Family
ID=65946821
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821476903.7U Expired - Fee Related CN208702415U (en) | 2018-09-11 | 2018-09-11 | The rotational automatic tool changing device of three tool apron of shield machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208702415U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108825252A (en) * | 2018-09-11 | 2018-11-16 | 太原理工大学 | The rotational automatic tool changing device of three tool apron of shield machine and method |
| CN113062745A (en) * | 2021-05-06 | 2021-07-02 | 深圳地铁建设集团有限公司 | Shield constructs quick-witted blade disc convenient to change cutter |
-
2018
- 2018-09-11 CN CN201821476903.7U patent/CN208702415U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108825252A (en) * | 2018-09-11 | 2018-11-16 | 太原理工大学 | The rotational automatic tool changing device of three tool apron of shield machine and method |
| CN108825252B (en) * | 2018-09-11 | 2024-07-12 | 太原理工大学 | Automatic cutter changing device and method for three cutter holders of shield tunneling machine |
| CN113062745A (en) * | 2021-05-06 | 2021-07-02 | 深圳地铁建设集团有限公司 | Shield constructs quick-witted blade disc convenient to change cutter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20190405 Termination date: 20200911 |