CN111156014A - Shield constructs quick-witted hobbing cutter tool changing device - Google Patents
Shield constructs quick-witted hobbing cutter tool changing device Download PDFInfo
- Publication number
- CN111156014A CN111156014A CN202010119057.9A CN202010119057A CN111156014A CN 111156014 A CN111156014 A CN 111156014A CN 202010119057 A CN202010119057 A CN 202010119057A CN 111156014 A CN111156014 A CN 111156014A
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- Prior art keywords
- hob
- changing device
- movable support
- tunneling machine
- clamp
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- 230000007246 mechanism Effects 0.000 claims abstract description 18
- 230000005641 tunneling Effects 0.000 claims description 11
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000005452 bending Methods 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000009412 basement excavation Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
- E21D9/08—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining with additional boring or cutting means other than the conventional cutting edge of the shield
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The invention discloses a hob cutter changing device of a shield machine, which comprises a base, a movable support, a movable driving mechanism and a fixture, wherein the movable support can be arranged on the base in a relative sliding manner along the front-back direction, the movable driving mechanism is used for driving the movable support to slide relative to the base, the fixture is used for clamping a hob, the fixture is provided with two groups of fixture bodies which can be matched with each other to clamp and fix the hob, the two groups of fixture bodies can be arranged on the movable support in a relatively open or relatively closed manner, and the movable support is also provided with an opening and closing mechanism which is used for driving the two groups of fixture bodies to be relatively open or closed. The hob is clamped and fixed through the clamp, and the whole hob changing device is lifted and carried through the lifting device, so that the mechanization level in the construction process is improved, the problem that the requirement on manpower is very high when the hob is replaced in the construction of the shield machine is solved, the difficulty in mounting and dismounting the hob is reduced, and the hob is more accurately positioned when being mounted.
Description
Technical Field
The invention relates to a hob cutter changing device of a shield machine.
Background
The shield machine is used for tunnel construction, has the characteristics of high automation degree, labor saving, high construction speed, one-step tunneling, no influence of weather, controllable ground settlement during excavation, reduction of influence on ground buildings, no influence on water traffic during underwater excavation and the like, and is more economical and reasonable in construction under the conditions of longer tunnel line and larger buried depth.
When the hob of the existing shield machine is damaged and needs to be replaced in the tunneling process, the old hob needs to be manually removed after a fastener between the old hob and a hob box is removed; when a new hob is installed, the hob is hoisted to the position near the hob box by the aid of the hoisting ring screws, and during installation, the hoisting ring screws are required to be detached due to interference of the hoisting ring screws and the hob box, and people support the hob to install. However, a single hob is very heavy and cannot be moved by one person, and when the hob is replaced, the space in front of the cutter head of the shield machine is limited, and the space is also limited when a plurality of persons work simultaneously, so that the cutter changing operation is very inconvenient.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a hob changing device of a shield machine, which is convenient for the hob changing operation of the shield machine.
In order to achieve the purpose, the invention adopts the technical scheme that: the utility model provides a shield constructs quick-witted hobbing cutter toolchanger, toolchanger includes the base, can set up along fore-and-aft direction relative slip the removal support on the base, be used for ordering about the removal support is relative the gliding removal actuating mechanism of base to and be used for pressing from both sides the anchor clamps of getting the hobbing cutter, anchor clamps have two sets of can mutually support and press from both sides and get fixedly the anchor clamps body of hobbing cutter, two sets of the anchor clamps body can open relatively or set up with closing relatively on the removal support, still be provided with on the removal support and be used for ordering about two sets of the anchor clamps body is opened relatively or closed mechanism that opens and shuts.
Preferably, every group the anchor clamps body all includes two holders that set up along upper and lower direction interval, two it can supply to form between the holder the centre cutting edge circle of hobbing cutter is gone into along the centre gripping space that circumference cooperation ground was gone into.
Further, each clamping piece comprises a connecting part used for being connected to the movable support, and a clamping part which is bent outwards from the connecting part and is in an arc shape.
Furthermore, a mounting seat is fixedly arranged on the movable support, two sliding grooves are formed in the mounting seat at intervals in the vertical direction, two clamping pieces which can be opened or closed relatively are connected in each sliding groove in a sliding mode, and the clamping portions of the clamping pieces penetrate through the sliding grooves.
As a specific embodiment, the opening and closing mechanism is arranged in the mounting seat.
Further, each of the clamping members is arranged on the movable bracket in a manner of relative movement in the left-right direction.
Preferably, the movable driving mechanism is a telescopic piece capable of stretching along the front-back direction, one end of the telescopic piece is connected to the base, and the other end of the telescopic piece is connected to the movable support.
As a specific embodiment, the telescopic member is a cylinder or a hydraulic cylinder.
Preferably, the base includes the counter weight seat, set firmly in counter weight seat one side and be provided with two sets of slides that are parallel to each other of slide rail, the movable support has the crossbeam, and set firmly in two sets of cradling pieces at crossbeam both ends, anchor clamps set up on the crossbeam, two sets of the lower extreme of cradling piece respectively with two sets of slide rail sliding fit.
Preferably, the tool changer further comprises a plurality of eye screws fixedly arranged on the base.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages: according to the hob cutter changing device of the shield machine, the hob is clamped and fixed through the clamp, and the whole hob cutter changing device is lifted and carried through the lifting device, so that the mechanization level in the construction process is improved, the problem that the requirement on manpower is very high when the hob is replaced in the shield machine construction is solved, the difficulty in mounting and dismounting the hob is reduced, and the hob is more accurately positioned when the hob is mounted. The shield machine hob cutter changing device is simple in structure and convenient to operate.
Drawings
FIG. 1 is a schematic diagram of a hob lifting in the prior art;
FIG. 2 is a schematic diagram of the overall structure of the hob changing device of the present invention;
FIG. 3 is a schematic diagram of the hob changing device of the present invention when two sets of fixture bodies in the fixture are relatively opened to clamp the hob;
FIG. 4 is a schematic diagram of two sets of clamp bodies in the clamp in the hob changing device of the present invention, which are relatively closed and clamp a hob;
FIG. 5 is a schematic view of the hob changing apparatus of the present invention when used for changing a hob;
wherein: 1. a base; 11. a counterweight seat 12, a sliding seat; 13. a slide rail; 2. moving the support; 21. a cross beam; 22. a support rod; 3. a clamp body; 31. a clamping member; 31a, a connecting portion; 31b, a clamping part; 4. a movement driving device; 5. a mounting seat; 51. a chute; 6. a lifting eye screw;
10. hobbing cutters; 101. a central blade ring; 20. a cutter head; 30. a knife box; 40. and (5) hoisting the chain.
Detailed Description
The technical solution of the present invention is further explained with reference to the drawings and the specific embodiments.
The orientations such as front-back, left-right, and up-down are defined with reference to the relative orientation of the tool changer during use.
Referring to fig. 2 to 4, the shield machine hob cutter changing device comprises a base 1, a moving support 2 arranged on the base 1 in a relative sliding manner along the front-back direction, a moving driving mechanism 4 for driving the moving support 2 to slide relative to the base 1, and a clamp for clamping a hob 10.
The fixture is provided with two groups of fixture bodies 3 which can be matched with each other to clamp and fix the hob 10, the two groups of fixture bodies 3 can be arranged on the movable support 2 in a relatively open or relatively closed mode, and the hob 10 can be fixedly clamped when the two groups of fixture bodies 3 are relatively closed. The movable support 2 is further provided with an opening and closing mechanism (not shown in the figure) for driving the two groups of clamp bodies 3 to open or close relatively.
Referring to fig. 2 to 4, each set of the fixture bodies 3 includes two clamping members 31 arranged at intervals in the vertical direction, and a clamping space into which the central blade ring 101 of the hob 10 can be fitted in the circumferential direction is formed between the two clamping members 31. That is, when the two sets of clamp bodies 3 are relatively closed, the four clamping members 31 correspondingly form two layers of clamping rings, and the central blade ring 101 can be fittingly embedded between the two layers of clamping rings.
Specifically, each of the clamping members 31 includes a connecting portion 31a for connecting to the moving bracket 2, and a clamping portion 31b bent outward from the connecting portion 31a in a circular arc shape. Here, each of the grippers 31 is provided on the moving bracket 2 so as to be relatively movable in the left-right direction.
In this embodiment, the movable bracket 2 is fixedly provided with a mounting seat 5, the mounting seat 5 is provided with two sliding grooves 51 arranged at intervals in the vertical direction, each sliding groove 51 is connected with two clamping pieces 31 capable of opening or closing relatively in a sliding manner, wherein the clamping portion 31a of the clamping piece 31 penetrates through the sliding groove 51. The opening and closing mechanism is arranged in the mounting seat 5.
Referring to fig. 2 to 4, the movement driving mechanism 4 is an extensible member that is extensible in the front-rear direction, and one end of the extensible member is connected to the base 1 and the other end thereof is connected to the movable bracket 2. The telescopic member may preferably be a pneumatic or hydraulic cylinder.
The base 1 comprises a counterweight seat 11 and two sliding seats 12 fixedly arranged on one side of the counterweight seat 11, the two sliding seats 12 are parallel to each other, and each sliding seat 12 is provided with a sliding rail 13; the movable support 2 is provided with a cross beam 21 and two support rods 22 fixedly arranged at two ends of the cross beam 21, the clamp is arranged on the cross beam 21 through the mounting seat 5, and the lower ends of the two support rods 22 are respectively in sliding fit with the two groups of sliding rails 13 so as to provide guidance for the movable support 2 when moving back and forth relative to the base 1.
The tool changing device also comprises a plurality of lifting ring screws 6 fixedly arranged on the base 1, in the embodiment, four lifting ring screws 6 are arranged, and one lifting ring screw is arranged on the outer side of each of the front end and the rear end of each sliding seat 12.
When the new hob 10 is installed on the cutter head 20 of the shield machine by adopting the cutter changing device of the shield machine, the operation can be carried out according to the following modes: the whole cutter changing device is hoisted to the position for storing the hob to be changed 10 by penetrating the hoisting chain 40 at each hoisting ring screw 6, and the opening and closing mechanism drives the two groups of clamp bodies 3 to be relatively opened. The movable driving mechanism 4 is started according to the position requirement to adjust the relative position of the fixture and the hob 10, after the clamping part 31b of each clamping piece 31 on the fixture body 3 is located at the periphery of the hob 10, the opening and closing mechanism drives the two sets of fixture bodies 3 to be relatively closed, so that the clamping pieces 31 clamp the hob 10 to be replaced along the circumferential direction. The hob 10 can then be easily mounted to the cutterhead 20 by lifting the entire hob changing apparatus to a position adjacent to the cutterhead 20 and adjacent to the magazine 30 of the hob to be changed. The hob changing device can also be used to operate when the hob 10 is removed from the cutterhead 20 of the shield machine.
In conclusion, the hob changing device for the shield machine, disclosed by the invention, has the advantages of simple structure and convenience in operation, improves the mechanization level in the construction process, solves the problem of high requirements on manpower when the hob is replaced in the shield machine construction, reduces the difficulty in mounting and dismounting the hob, is more accurate in positioning when the hob is mounted, and saves the hob changing time.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (10)
1. The utility model provides a shield constructs quick-witted hobbing cutter tool changing device which characterized in that: the tool changing device comprises a base, a movable support and a clamp, wherein the movable support is arranged on the base in a relative sliding mode along the front-back direction, the clamp is used for clamping the hob, the movable support is opposite to the movable driving mechanism, the clamp is provided with two groups, the two groups can be mutually matched and can clamp the hob, the clamp body of the hob can be opened or closed relatively and is arranged on the movable support, and the movable support is further provided with an opening and closing mechanism used for driving the two groups, and the clamp body is opened or closed relatively.
2. The shield tunneling machine hob cutter changing device of claim 1, characterized in that: every group the anchor clamps body all includes along two holders that upper and lower direction interval set up, two form between the holder and supply the centre cutting edge circle of hobbing cutter is gone into along the centre gripping space that circumference cooperation ground was gone into.
3. The shield tunneling machine hob cutter changing device of claim 2, wherein: every the holder all include and be used for connecting move the last connecting portion of support, and certainly connecting portion bending outward is circular-arc clamping part.
4. The shield tunneling machine hob cutter changing device of claim 3, wherein: the movable support is fixedly provided with a mounting seat, the mounting seat is provided with two sliding grooves which are arranged at intervals along the vertical direction, each sliding groove is internally and slidably connected with two clamping pieces which can be opened or closed relatively, and the clamping parts of the clamping pieces are arranged in the sliding grooves in a penetrating mode.
5. The shield tunneling machine hob cutter changing device of claim 4, wherein: the opening and closing mechanism is arranged in the mounting seat.
6. The shield tunneling machine hob cutter changing device of claim 2, wherein: each clamping piece is arranged on the movable support in a mode of relative motion along the left-right direction.
7. The shield tunneling machine hob cutter changing device of claim 1, characterized in that: the movable driving mechanism is a telescopic piece capable of stretching along the front-back direction, one end of the telescopic piece is connected to the base, and the other end of the telescopic piece is connected to the movable support.
8. The shield tunneling machine hob cutter changing apparatus of claim 7, wherein: the telescopic piece is a cylinder or a hydraulic cylinder.
9. The shield tunneling machine hob cutter changing device of claim 1, characterized in that: the base includes the counter weight seat, set firmly in counter weight seat one side and be provided with two sets of slides that are parallel to each other of slide rail, the movable support has the crossbeam, and set firmly in two sets of cradling piece at crossbeam both ends, anchor clamps set up on the crossbeam, two sets of the lower extreme of cradling piece respectively with two sets of slide rail sliding fit.
10. The shield tunneling machine hob changing apparatus according to any one of claims 1 to 9, characterized in that: the tool changer also includes a plurality of eye screws fixedly disposed on the base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010119057.9A CN111156014A (en) | 2020-02-26 | 2020-02-26 | Shield constructs quick-witted hobbing cutter tool changing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010119057.9A CN111156014A (en) | 2020-02-26 | 2020-02-26 | Shield constructs quick-witted hobbing cutter tool changing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111156014A true CN111156014A (en) | 2020-05-15 |
Family
ID=70566469
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010119057.9A Pending CN111156014A (en) | 2020-02-26 | 2020-02-26 | Shield constructs quick-witted hobbing cutter tool changing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111156014A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111691891A (en) * | 2020-06-30 | 2020-09-22 | 中国铁建重工集团股份有限公司 | Tool changing device for replacing hob of shield machine |
| CN112682053A (en) * | 2021-02-26 | 2021-04-20 | 中铁工程装备集团有限公司 | Tool and method for replacing hob of shield machine cutter head at 12 o' clock position |
-
2020
- 2020-02-26 CN CN202010119057.9A patent/CN111156014A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111691891A (en) * | 2020-06-30 | 2020-09-22 | 中国铁建重工集团股份有限公司 | Tool changing device for replacing hob of shield machine |
| CN112682053A (en) * | 2021-02-26 | 2021-04-20 | 中铁工程装备集团有限公司 | Tool and method for replacing hob of shield machine cutter head at 12 o' clock position |
| CN112682053B (en) * | 2021-02-26 | 2022-04-29 | 中铁工程装备集团有限公司 | Tool and method for replacing hob of shield machine cutter head at 12 o' clock position |
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