CN210637078U - Shield constructs locking structure that moves of hobbing cutter - Google Patents
Shield constructs locking structure that moves of hobbing cutter Download PDFInfo
- Publication number
- CN210637078U CN210637078U CN201921576679.3U CN201921576679U CN210637078U CN 210637078 U CN210637078 U CN 210637078U CN 201921576679 U CN201921576679 U CN 201921576679U CN 210637078 U CN210637078 U CN 210637078U
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- plate
- blade holder
- jacking
- block
- briquetting
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Abstract
The utility model discloses a shield constructs locking structure that moves of hobbing cutter, including tool box, hobbing cutter, blade holder, briquetting and tensioning block, on the blade holder was located to the hobbing cutter, the blade holder was located on the tool box, on the tensioning block was located to the briquetting, tensioning block and blade holder bolted connection, the blade holder was equipped with the steel billet, and the steel billet is equipped with the puller plate, puller plate and steel billet bolted connection, puller plate and tensioning block bolted connection. The utility model discloses can avoid the easy not hard up equipment accident that leads to the series potential safety hazard that the briquetting drops and probably appear of bolt, avoid the construction risk, improve construction enterprise's economic benefits, have better economic benefits, social and environmental benefits, have better popularization and application and worth.
Description
Technical Field
The utility model belongs to the technical field of the shield constructs the machine, especially, relate to a shield constructs locking structure of moving of hobbing cutter.
Background
The shield construction becomes the main construction method of the tunnel in the track traffic interval, and the design of the cutter head and the configuration of the cutter of the shield machine are one of the key factors of success and failure of the shield construction. The stratum of shield construction is very different, not only hard rock over 100 MPa, but also silt texture layer, different stratum cutter configuration is different, shield construction has brought great difficulty in some stratum that the hardness differs greatly, rock crack develops, design in a certain shield interval cutterhead, configuration of cutter are generally confirmed according to the stratum with great difficulty, geological survey data and actual tunnelling stratum can have certain difference before shield construction, the situation that local actual stratum and geological survey data have great difference appears under some special circumstances. The arrangement parameters of the hob in the composite stratum are determined according to the existing geological survey data and the successful construction experience of similar strata, and when the rock hardness is different by dozens of MPa due to large difference, the design of the hob and the installation mode of the hob can be greatly influenced. When the cutter is fixed by soft rock, the shield is easy to loosen or even break when meeting hard rock during tunneling. The loosening of the cutter bolt can cause difficult tunneling and damage to the cutter head and the cutter box; the cutter bolt is broken to cause the cutter to fall off, so that the cutter is accelerated to wear, even the cutter is damaged, the screw machine is blocked and other faults are caused, and even larger construction accidents are caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the above-mentioned technical problem that exists among the prior art, provide a shield constructs the locking structure that moves of hobbing cutter, can avoid the bolt easily not hard up to lead to the briquetting to drop the series potential safety hazard brought and the equipment accident that probably appears, avoid the construction risk, improved construction enterprise's economic benefits, have better economic benefits, social and environmental benefit, have better popularization and application and worth.
In order to solve the technical problem, the utility model discloses a following technical scheme:
the utility model provides a shield constructs locking structure that moves of hobbing cutter, includes toolbox, hobbing cutter, blade holder, briquetting and draws tight piece, and on the blade holder was located to the hobbing cutter, the blade holder was located on the toolbox, and on the tight piece was located to the briquetting, the tight piece was connected its characterized in that with blade holder bolted connection: the tool apron is provided with a steel block, the steel block is provided with a puller plate, the puller plate is connected with a steel block bolt, and the puller plate is connected with a tensioning block bolt. The steel blocks with the threaded holes are welded at four corners of the tool box, the jacking plate is fixed on the steel blocks through the bolts, then the bolts are screwed on the tensioning block and the jacking plate, the jacking plate is connected with the tensioning block, the tension force of the tensioning block can be improved, and tools are prevented from loosening.
Furthermore, the tensioning block is provided with a tenon, the pressing block is provided with a tenon, and the tenon is arranged in the tenon. When the hob is installed, the pressing block is installed, the concave tenon faces outwards, then the convex tenon of the tensioning block is inserted into the concave tenon of the pressing block, the concave tenon and the convex tenon have the function of mutual positioning, and the function of preventing the pressing block from falling off when the bolt of the hob is loosened is achieved.
Further, the briquetting is equipped with the recess, and the knife case is equipped with the locating pin, and the locating pin is located in the recess. Through the cooperation of locating pin and recess, can prevent when the hobbing cutter bolt is not hard up that the briquetting from droing. The locating pin sets up on the tool box through the welded mode, sets up the trompil on the locating pin, and the trompil is as welding position, convenient welding.
Further, the top tightening plate is provided with a connecting plate, a top tightening piece is arranged between the connecting plate and the pressing block, and the top tightening piece pushes the pressing block tightly. The top tight board of hobbing cutter both sides is connected through the connecting plate, makes things convenient for the installation of top tight board, can improve the effect that compresses tightly of briquetting simultaneously through the tight piece in top between connecting plate and the briquetting.
Further, the jacking piece comprises a jacking rod, a threaded rod and a jacking nut, the threaded rod is arranged on the jacking rod, the jacking nut is arranged on the threaded rod, the connecting plate is provided with a through hole, the threaded rod is arranged in the through hole, and the jacking nut is pressed on the connecting plate. The jacking nut on the rotary threaded rod enables the jacking nut to be abutted to the connecting plate, so that reverse pressure is applied to the jacking rod, the jacking rod is tightly pressed on the pressing block, and the pressing effect of the pressing block is improved.
Further, the steel block is provided with a first damping plate, the jacking plate is provided with a second damping plate, and a damping spring is arranged between the first damping plate and the second damping plate. The damping piece comprises a first damping plate, a second damping plate and a damping spring, and can play a damping role through the cooperation of the first damping plate, the second damping plate and the damping spring, so that the vibration transmission between the steel block and the tightening plate is reduced, and the noise is reduced.
Further, the second shock attenuation board is equipped with the lug, and the tight board in top is equipped with the spout, and in the spout was located to the lug, lug and spout sliding connection. Through the cooperation of lug and spout, played the effect of location, avoided the skew of damper, made things convenient for the installation of whole damper, only need with the lug slip into the spout, can fix the damper on the tight board in top.
The utility model discloses owing to adopted above-mentioned technical scheme, following beneficial effect has:
the utility model discloses when the installation, twist the lead screw on the blade holder earlier, screw up the nut again, on the locating pin was gone into to the briquetting card, later embolia the lead screw with taut piece, go into the tenon of briquetting with the tenon card, it is fixed to screw up the nut again, then go into the damper on the tight board in top, will adjust tight piece card in top on the connecting plate, drip the tight board in top on the steel billet, screw up fixing bolt on steel billet and tight board in top, screw up fixing bolt on the tight board in top and the tight piece of drawing at last. The utility model discloses can avoid the easy not hard up equipment accident that leads to the series potential safety hazard that the briquetting drops and probably appear of bolt, avoid the construction risk, improve construction enterprise's economic benefits, have better economic benefits, social and environmental benefits, have better popularization and application and worth.
Drawings
The present invention will be further explained with reference to the accompanying drawings:
fig. 1 is a schematic structural view of a first embodiment of a shield hob anti-loosening structure of the present invention;
FIG. 2 is a schematic structural view of a tensioning block of the present invention;
FIG. 3 is a schematic structural view of the hob of the present invention;
FIG. 4 is a schematic structural view of a pressing block of the present invention;
fig. 5 is a schematic structural view of the positioning pin of the present invention;
fig. 6 is a schematic structural view of a second embodiment of a shield hob anti-loosening structure of the present invention;
FIG. 7 is a schematic structural view of the connection between the tightening plate and the connecting plate according to the present invention;
fig. 8 is a schematic structural view of the middle damping member of the present invention.
In the drawings, 1-knife box; 2, hobbing cutter; 3-a tool apron; 4-briquetting; 5-a tensioning block; 6-a steel block; 7-tightening the plate; 8-tenon; 9-a mortise; 10-a groove; 11-a locating pin; 12-a connecting plate; 13-a tightening rod; 14-a threaded rod; 15-tightening the nut; 16-a via hole; 17-a first damping plate; 18-a second damping plate; 19-a damping spring; 20-a bump; 21-chute.
Detailed Description
As shown in fig. 1 to 5, for the utility model relates to a shield constructs anti-looseness structure of hobbing cutter embodiment one, including toolbox 1, hobbing cutter 2, blade holder 3, briquetting 4 and tensioning block 5, hobbing cutter 2 locates on the blade holder 3, and on blade holder 3 located toolbox 1, briquetting 4 located tensioning block 5, tensioning block 5 and blade holder 3 bolted connection, blade holder 3 were equipped with steel billet 6, and steel billet 6 is equipped with puller plate 7, puller plate 7 and 6 bolted connection of steel billet, puller plate 7 and tensioning block 5 bolted connection. Four fillet welds at the sword case 1 have the steel billet 6 of screw hole, again with the puller plate 7 through the bolt fastening on steel billet 6, then will tighten up the piece 5 and screw up the bolt on the puller plate 7, be connected puller plate 7 with the puller plate 5, can improve the tension that draws of puller plate 5, prevent that the cutter is not hard up.
The tensioning block 5 is provided with a tenon 8, the pressing block 4 is provided with a mortise, and the tenon 8 is arranged in the mortise 9. When the hob 2 is installed, the pressing block 4 is installed, the tenon 9 faces outwards, then the tenon 8 of the tensioning block 5 is inserted into the tenon 9 of the pressing block 4, the tenon 9 and the tenon 8 have the mutual positioning effect, and the effect of preventing the pressing block 4 from falling off when the bolt of the hob 2 is loosened is achieved.
Briquetting 4 is equipped with recess 10, and knife case 1 is equipped with locating pin 11, and locating pin 11 is located in recess 10. Through the cooperation of locating pin 11 and recess 10, can prevent when hobbing cutter 2 bolt is not hard up that briquetting 4 from droing. The locating pin 11 sets up on knife case 1 through the welded mode, sets up the trompil on locating pin 11, and the trompil is as welding position, convenient welding.
As shown in fig. 6 to 8, for the second embodiment of the present invention, based on the first embodiment, the second embodiment further designs the top tightening plate 7 and the pressing block 4, the top tightening plate 7 is provided with the connecting plate 12, the top tightening member is provided between the connecting plate 12 and the pressing block 4, and the top tightening member pushes the pressing block 4. The jacking plates 7 on the two sides of the hob 2 are connected through the connecting plate 12, so that the installation of the jacking plates 7 is facilitated, and meanwhile, the pressing effect of the pressing block 4 can be improved through the jacking pieces between the connecting plate 12 and the pressing block 4.
The jacking piece comprises a jacking rod 13, a threaded rod 14 and a jacking nut 15, the threaded rod 14 is arranged on the jacking rod 13, the jacking nut 15 is arranged on the threaded rod 14, the connecting plate 12 is provided with a through hole 16, the threaded rod 14 is arranged in the through hole 16, and the jacking nut 15 is pressed on the connecting plate 12. The puller nut 15 on the rotary threaded rod 14 enables the puller nut 15 to abut against the connecting plate 12, so that reverse pressure is applied to the puller rod 13, the puller rod 13 is pressed on the pressing block 4, and the pressing effect of the pressing block 4 is improved.
The steel block 6 is provided with a first damping plate 17, the jacking plate 7 is provided with a second damping plate 18, and a damping spring 19 is arranged between the first damping plate 17 and the second damping plate 18. The damping piece includes first shock attenuation board 17, second shock attenuation board 18 and damping spring 19, through first shock attenuation board 17, second shock attenuation board 18 and damping spring 19's cooperation, can play absorbing effect, has reduced the vibrations transmission between steel block 6 and the tight board 7 in top, has reduced the noise.
The second damping plate 18 is provided with a convex block 20, the tightening plate 7 is provided with a sliding groove 21, the convex block 20 is arranged in the sliding groove 21, and the convex block 20 is connected with the sliding groove 21 in a sliding manner. Through the cooperation of lug 20 and spout 21, played the effect of location, avoided the skew of damper, made things convenient for the installation of whole damper, only need with lug 20 slip into spout 21, can fix the damper on the tight board 7 in top.
The utility model discloses when the installation, twist the lead screw on blade holder 3 earlier, screw up the nut again, on locating pin 11 is gone into to 4 cards of briquetting, later embolia the lead screw with taut piece 5, go into the tenon 8 cards in the mortise 9 of briquetting 4, it is fixed to screw up the nut again, then go into the damper on tightening plate 7, the tight card in top that will adjust is on connecting plate 12, drip tightening plate 7 on steel billet 6, screw up fixing bolt on steel billet 6 and tightening plate 7, screw up fixing bolt on tightening plate 7 and taut piece 5 at last. The utility model discloses can avoid the easy not hard up series potential safety hazard that leads to briquetting 4 to drop and the equipment accident that probably appears of bolt, avoid the construction risk, improve construction enterprise's economic benefits, have better economic benefits, social and environmental benefits, have better popularization and application and worth.
The above is only a specific embodiment of the present invention, but the technical features of the present invention are not limited thereto. Any simple changes, equivalent substitutions or modifications made on the basis of the present invention to solve the same technical problems and achieve the same technical effects are all covered by the protection scope of the present invention.
Claims (7)
1. The utility model provides a shield constructs locking structure that moves of hobbing cutter, includes toolbox, hobbing cutter, blade holder, briquetting and taut piece, the hobbing cutter is located on the blade holder, the blade holder is located on the toolbox, the briquetting is located on the taut piece, the taut piece with blade holder bolted connection, its characterized in that: the tool apron is provided with a steel block, the steel block is provided with a tightening plate, the tightening plate is connected with the steel block through bolts, and the tightening plate is connected with the tensioning block through bolts.
2. The anti-loosening structure of the shield hob according to claim 1, characterized in that: the tensioning block is provided with a tenon, the pressing block is provided with a tenon, and the tenon is arranged in the tenon.
3. The anti-loosening structure of the shield hob according to claim 1, characterized in that: the briquetting is equipped with the recess, the knife case is equipped with the locating pin, the locating pin is located in the recess.
4. The anti-loosening structure of the shield hob according to claim 1, characterized in that: the top pinch plate is provided with a connecting plate, the connecting plate is provided with a top pinch piece between the pressing blocks, and the top pinch piece is tightly pressed against the pressing blocks.
5. The anti-loosening structure of the shield hob according to claim 4, characterized in that: the jacking piece comprises a jacking rod, a threaded rod and a jacking nut, the threaded rod is arranged on the jacking rod, the jacking nut is arranged on the threaded rod, the connecting plate is provided with a through hole, the threaded rod is arranged in the through hole, and the jacking nut is pressed on the connecting plate.
6. The anti-loosening structure of the shield hob according to claim 1, characterized in that: the steel block is provided with a first damping plate, the jacking plate is provided with a second damping plate, and a damping spring is arranged between the first damping plate and the second damping plate.
7. The anti-loosening structure of the shield hob according to claim 6, characterized in that: the second shock absorption plate is provided with a convex block, the tightening plate is provided with a sliding groove, the convex block is arranged in the sliding groove, and the convex block is connected with the sliding groove in a sliding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921576679.3U CN210637078U (en) | 2019-09-20 | 2019-09-20 | Shield constructs locking structure that moves of hobbing cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921576679.3U CN210637078U (en) | 2019-09-20 | 2019-09-20 | Shield constructs locking structure that moves of hobbing cutter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210637078U true CN210637078U (en) | 2020-05-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921576679.3U Active CN210637078U (en) | 2019-09-20 | 2019-09-20 | Shield constructs locking structure that moves of hobbing cutter |
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| Country | Link |
|---|---|
| CN (1) | CN210637078U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112593968A (en) * | 2020-12-15 | 2021-04-02 | 中国铁建重工集团股份有限公司 | Normal pressure cutter head and locking anti-drop protection device thereof |
-
2019
- 2019-09-20 CN CN201921576679.3U patent/CN210637078U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112593968A (en) * | 2020-12-15 | 2021-04-02 | 中国铁建重工集团股份有限公司 | Normal pressure cutter head and locking anti-drop protection device thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20210412 Granted publication date: 20200529 |
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| PP01 | Preservation of patent right | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20220801 Granted publication date: 20200529 |
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| PD01 | Discharge of preservation of patent |