CN203769792U - Ordinary pressure hob replacing device - Google Patents
Ordinary pressure hob replacing device Download PDFInfo
- Publication number
- CN203769792U CN203769792U CN201420034202.3U CN201420034202U CN203769792U CN 203769792 U CN203769792 U CN 203769792U CN 201420034202 U CN201420034202 U CN 201420034202U CN 203769792 U CN203769792 U CN 203769792U
- Authority
- CN
- China
- Prior art keywords
- tool rest
- pressurize
- hob
- cavity
- pressure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The utility model discloses an ordinary pressure hob replacing device. The ordinary pressure hob replacing device comprises a hob holder (3), a hob disc panel (2) connected with the hob holder (3) and a hob (1) arranged on the hob holder (3). The hob holder (3) is connected with a pressurizing device which is connected with a lubricating device (14) and a high-low-pressure isolating device (13). The tail of the hob holder (3) is provided with a pressure releasing device (16), and the hob holder (3) is connected with a hob holder dismounting device (15). By means of the close cooperation among the pressurizing device, the lubricating device, the high-low-pressure isolating device, the pressure releasing device arranged on the tail of the hob holder and the hob holder dismounting device connected with the hob holder (3), the hob of a shield is replaced under the pressurizing and ordinary pressure environment, wherein the lubricating device and the high-low-pressure isolating device are arranged on the pressurizing device, the risk caused when the hob is replaced under the high-pressure water condition during the river tunnel construction is effectively resolved, the physical health of workers who replace the hob is protected, the construction progress is accelerated, and the construction period is shortened, and the construction cost is reduced.
Description
Technical field
The utility model relates to shield body plan technology for making field, is specially the tool changing device of a kind of shield structure replacing of the normal pressure under condition with pressure hobboing cutter in tunneling process.
Background technology
Along with the fast development of the industries such as urbanization process, communications and transportation, hydraulic engineering, tunnel is also more and more extensive in underground empty application.Shield-tunneling construction, as one of of paramount importance construction means of tunnel construction, must be changed cutter in shield-tunneling construction process.Due to the complexity of geology, for ensureing the generation of stablizing and prevent water burst phenomenon of face, in exchanging knives process, must keep support pressure, tool changing personnel must bear the hyperbaric environment of Tu Cang for this reason.Tool changing personnel must first be boosted before warehouse entry, can carry out work after reaching support pressure, after tool changing completes, need again step-down, boost and not only length consuming time of step-down process, and very large to staff's healthy threat, particularly step-down process, just easily suffers from dysbarism a little accidentally.
Along with the accelerated development of city process, various large buried depths, to wear Jiang Yuehai tunnel more and more.Buried depth is large, hydraulic pressure is high and long-distance shield structure constructing tunnel, and under high hydraulic condition, tool changing is inevitable.For guarantee super large buried depth is worn the tool changing of Jiang Yuehai tunneling process safety, must research carry out normal pressure tool changing technology in the situation that of shield structure pressurize driving state, be a good problem to study.
Summary of the invention
In order to overcome above-mentioned deficiency of the prior art, the utility model provides under a kind of shield structure high-voltage construction condition, in pressurize, under atmospheric pressure environment, carry out the conventional tool changing device of hobboing cutter of the replacing of hobboing cutter, effectively solved to wear and in Jiang Yuehai constructing tunnel, under high hydraulic condition, changed the problem that cutter has a big risk.
The purpose of this utility model is achieved in that
A kind of hobboing cutter normal pressure tool changing device, comprise tool rest 3, the cutter head panel 2 being connected with tool rest 3, be arranged on the hobboing cutter 1 on tool rest 3, tool rest 3 is connected with pressurizer, pressurizer is connected with lubricating arrangement 14 and high-/ low-voltage isolation device 13, and the afterbody of tool rest 3 arranges pressure relief device 16, and tool rest 3 connects tool rest provision for disengagement 15;
[0006]described pressurizer comprises pressurize cavity 6, is provided with the 2nd O RunddichtringO 11 between pressurize cavity 6 and tool rest 3;
Described lubricating arrangement 14 comprises that setting is by the oil fuel tube joint 5 of oiling ball valve and pressurize cavity 6, oil fuel tube is communicated with the contact surface of pressurize cavity 6 and tool rest 3, has the oiling chamber 17 of a ring-shaped groove on the face of the pressurize cavity 6 that the pressurize cavity 6 that has oil fuel tube of connection contacts with tool rest 3;
Described high-/ low-voltage isolation device 13 is sliding door structure, comprises pressurize door 4, and pressurize door 4 is through pressurize cavity 6, and and pressurize cavity 6 between be provided with an O RunddichtringO 10; Described pressurize door 4 is connected with hydraulic driving oil cylinder 12;
Described pressure relief device 16 comprises the relief tube 9 that is fixed on tool rest 3 afterbodys by pressure relief ball valve, and with the water under high pressure ascending pipe communicating in tool rest cavity;
Described tool rest provision for disengagement 15 comprises the guide peg 7 being arranged in tool rest fixed bolt hole, and the dismantling screw 8 with pressurize cavity 6 is fixed together, is provided with sliding nut on dismantling screw 8.
actively beneficial effect:the utility model is by lubricating arrangement and the high-/ low-voltage isolation device of the setting on pressurizer, pressurizer; the aft mounted pressure relief device of tool rest; and and the tool rest provision for disengagement that is connected of tool rest 3 between close fit; realize shield structure and carried out the replacing of hobboing cutter in pressurize condition atmospheric pressure environment; effectively solve and worn the risk of changing cutter under Jiang Yuehai constructing tunnel process mesohigh water condition; protected and changed the healthy of cutler; construction speed is also provided; shorten construction period, reduced construction cost.
Brief description of the drawings
Fig. 1 structural representation one of the present utility model;
Fig. 2 is structural representation two of the present utility model;
Fig. 3 is structural representation three of the present utility model;
Fig. 4 is I place amplification assumption diagram in Fig. 2;
Fig. 5 is II place structure for amplifying schematic diagram in Fig. 3;
Fig. 6 is III place structure for amplifying schematic diagram in Fig. 3;
Fig. 7 is structural representation four of the present utility model;
Fig. 8 is structural representation five of the present utility model;
In figure, be: hobboing cutter 1, cutter head panel 2, tool rest 3, pressurize door 4, oil fuel tube joint 5, pressurize cavity 6, guide peg 7, dismantling screw 8, relief tube 9, an O RunddichtringO 10, the 2nd O RunddichtringO 11, hydraulic driving oil cylinder 12, high-/ low-voltage isolation device 13, lubricating arrangement 14, tool rest provision for disengagement 15, pressure relief device 16, oiling chamber 17.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described further:
As described in Figure 1, a kind of hobboing cutter normal pressure tool changing device, comprise tool rest 3, the cutter head panel 2 being connected with tool rest 3, be arranged on the hobboing cutter 1 on tool rest 3, tool rest 3 is connected with pressurizer, and pressurizer is connected with lubricating arrangement 14 and high-/ low-voltage isolation device 13, the afterbody of tool rest 3 arranges pressure relief device 16, and tool rest 3 connects tool rest provision for disengagement 15.
As shown in Figure 6, described pressurizer comprises pressurize cavity 6, is provided with the 2nd O RunddichtringO 11 between pressurize cavity 6 and tool rest 3.
As shown in Figure 1, Figure 3 and Figure 4, described lubricating arrangement 14 comprises that setting is by the oil fuel tube joint 5 of oiling ball valve and pressurize cavity 6, oil fuel tube is communicated with the contact surface of pressurize cavity 6 and tool rest 3, has the oiling chamber 17 of a ring-shaped groove on the face of the pressurize cavity 6 that the pressurize cavity 6 that has oil fuel tube of connection contacts with tool rest 3; Lubricating arrangement, for lubricated tool rest and pressurize cavity contact surface, ensures tool rest convenient disassembly.This device mainly comprises the parts such as fuel feeding valve and associated adapter.Before dismounting tool rest, must first pass through fuel feeding valve apply oil, lubrication oil ensures that by the oiling chamber of pressurize cavity tool rest is all lubricated around.
As shown in Figure 5, described high-/ low-voltage isolation device 13 is sliding door structure, comprises pressurize door 4, and pressurize door 4 is through pressurize cavity 6, and and pressurize cavity 6 between be provided with an O RunddichtringO 10; Described pressurize door 4 is connected with hydraulic driving oil cylinder 12; In the normal tunneling process of shield structure, pressurize door is opened, and hobboing cutter stretches out cutter head panel, and exchanging knives process pressurize door is closed, and ensures to change hobboing cutter under atmospheric pressure environment.
As shown in Figure 2, described pressure relief device 16 comprises the relief tube 9 that is fixed on tool rest 3 afterbodys by pressure relief ball valve, and with the water under high pressure ascending pipe communicating in tool rest cavity, in cutter unloading process, it is higher-pressure region that pressurize door is closed between rear tool rest and pressurize cavity, for guarantee tool rest is pulled down safely, must first pressure release before pulling down.This pressure relief device mainly adopts ball valve to be installed on tool rest afterbody.Pressure relief device not only has decompression function in cutter process, for ensureing not deposit dregs in tool rest cavity, in the shield structure course of work, can constantly adopt water under high pressure to inject cutterhead Tu Cang by valve.
As shown in Figure 3, described tool rest provision for disengagement 15 comprises the guide peg 7 being arranged in tool rest fixed bolt hole, and the dismantling screw 8 with pressurize cavity 6 is fixed together, is provided with sliding nut on dismantling screw 8; Because tool rest adds cutter, not only quality is large, and in installation process, scribble fluid sealant, therefore, the dismounting of hobboing cutter must have special servicing unit cooperation just can complete, every group of this tool rest provision for disengagement is made up of a screw rod and a guide rod, and removal force is mainly provided by the bolt rotation on screw rod, this kind of provision for disengagement dismounting safety, the effect of screw rod is for dismounting tool rest provides thrust, and the effect of guide rod is the direction of motion that ensures tool rest.
The 2nd O RunddichtringO Main Function of pressurize door is to ensure can not leak gas at exchanging knives process, and sealing is made up of twice " O " RunddichtringO.Tool rest sealing ring not only will ensure the sealing between exchanging knives process tool rest and pressurize cavity, also will ensure cutterhead sealing between tool rest and pressurize cavity in tunneling process simultaneously, and this place seals and is made up of twice the 2nd O RunddichtringO,
when use, concrete operations are as follows:
Cutterhead is mainly divided into hyperbaric environment and two regions of atmospheric pressure environment, as shown in Figure 8, changes the front tool changing device of cutter as shown in Figure 2, and this kind of state shield structure can normally tunnel.
Need to change hobboing cutter time, operating procedure is as follows:
1, tool rest is lubricated: the fuel feeding valve by lubricating arrangement injects lubrication oil in oiling chamber, as shown in Figure 8;
2, oiling is closed fuel feeding valve after completing, and the A group disassembling bolts of fixing tool rest in Fig. 7,4 guide pegs is arranged on to bolt hole place, and dismounting screw rod and pressurize cavity are fixed together, as shown in Figure 2;
3, by adjusting the sliding nut on dismounting screw rod, tool rest is pushed to state as shown in Figure 3, and closes pressurize door;
4, be high pressure conditions behind the door in the residing cavity of cutter owing to closing pressurize, and likely there are materials such as mud, water, sand, for ensureing safety, tool rest can not directly separate with pressurize cavity, first open relief valve pressure release on pressure relief device to atmospheric pressure state, can take off tool rest cutter is changed;
5, take off after tool rest, hobboing cutter is changed;
6, cutter changing is installed according to the anti-order of dismounting after completing.
The utility model is by lubricating arrangement and the high-/ low-voltage isolation device of the setting on pressurizer, pressurizer; the aft mounted pressure relief device of tool rest; and and the tool rest provision for disengagement that is connected of tool rest 3 between close fit; realize shield structure and carried out the replacing of hobboing cutter in pressurize condition atmospheric pressure environment; effectively solve and worn the risk of changing cutter under Jiang Yuehai constructing tunnel process mesohigh water condition; i.e. protection change cutler healthy; construction speed is also provided; shorten construction period, reduced construction cost.
Above embodiment is only for illustrating preferred embodiment of the present utility model; but the utility model is not limited to above-mentioned embodiment; in the ken possessing at described field those of ordinary skill; any amendment of doing within spirit of the present utility model and principle, be equal to and substitute and improvement etc., within it all should be encompassed in the technical scheme scope of the utility model request protection.
Claims (6)
1.
?a kind of hobboing cutter normal pressure tool changing device, comprise tool rest (3), the cutter head panel (2) being connected with tool rest (3), be arranged on the hobboing cutter (1) on tool rest (3), it is characterized in that: tool rest (3) is connected with pressurizer, pressurizer is connected with lubricating arrangement (14) and high-/ low-voltage isolation device (13), and the afterbody of tool rest (3) arranges pressure relief device (16), and tool rest (3) connects tool rest provision for disengagement (15).
2.
?a kind of hobboing cutter normal pressure tool changing device according to claim 1, is characterized in that: described pressurizer comprises pressurize cavity (6), is provided with the 2nd O RunddichtringO (11) between pressurize cavity (6) and tool rest (3).
3.
?a kind of hobboing cutter normal pressure tool changing device according to claim 1, it is characterized in that: described lubricating arrangement (14) comprises by the oil fuel tube joint (5) of oiling ball valve and pressurize cavity (6), oil fuel tube is communicated with the contact surface of pressurize cavity (6) and tool rest (3), is connected with the oiling chamber (17) that has a ring-shaped groove on the face of the pressurize cavity (6) that the pressurize cavity (6) of oil fuel tube contacts with tool rest (3).
4.
?a kind of hobboing cutter normal pressure tool changing device according to claim 1, it is characterized in that: described high-/ low-voltage isolation device (13) is sliding door structure, comprise pressurize door (4), pressurize door (4) is through pressurize cavity (6), and and pressurize cavity (6) between be provided with an O RunddichtringO (10); Described pressurize door (4) is connected with hydraulic driving oil cylinder (12).
5.
?a kind of hobboing cutter normal pressure tool changing device according to claim 1, is characterized in that: described pressure relief device (16) comprises the relief tube (9) that is fixed on tool rest (3) afterbody by pressure relief ball valve, and with the water under high pressure ascending pipe communicating in tool rest cavity.
6.
?a kind of hobboing cutter normal pressure tool changing device according to claim 1, it is characterized in that: described tool rest provision for disengagement (15) comprises the guide peg (7) being arranged in tool rest fixed bolt hole, with the dismantling screw (8) that pressurize cavity (6) is fixed together, dismantling screw is provided with sliding nut on (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420034202.3U CN203769792U (en) | 2014-01-21 | 2014-01-21 | Ordinary pressure hob replacing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420034202.3U CN203769792U (en) | 2014-01-21 | 2014-01-21 | Ordinary pressure hob replacing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203769792U true CN203769792U (en) | 2014-08-13 |
Family
ID=51286992
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420034202.3U Expired - Fee Related CN203769792U (en) | 2014-01-21 | 2014-01-21 | Ordinary pressure hob replacing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203769792U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103726855A (en) * | 2014-01-21 | 2014-04-16 | 中铁隧道集团有限公司 | Normal-pressure hobbing cutter changing device |
| CN106044564A (en) * | 2016-03-30 | 2016-10-26 | 上海市建筑装饰工程集团有限公司 | Installation method for blind penetrating installation guide structure |
| WO2018188527A1 (en) * | 2017-04-10 | 2018-10-18 | 中铁十四局集团有限公司 | Process method for exchanging hob and toothed cutter at atmospheric pressure for use in composite stratum shield |
| CN110318767A (en) * | 2019-08-15 | 2019-10-11 | 中国铁建重工集团股份有限公司 | Shield constructs machine and blade disc thereof |
| CN112593966A (en) * | 2020-12-08 | 2021-04-02 | 安徽唐兴机械装备有限公司 | Efficient hob replacing device of push bench and using method thereof |
-
2014
- 2014-01-21 CN CN201420034202.3U patent/CN203769792U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103726855A (en) * | 2014-01-21 | 2014-04-16 | 中铁隧道集团有限公司 | Normal-pressure hobbing cutter changing device |
| CN103726855B (en) * | 2014-01-21 | 2016-02-03 | 中铁隧道集团有限公司 | A kind of hobboing cutter normal pressure tool changing device |
| CN106044564A (en) * | 2016-03-30 | 2016-10-26 | 上海市建筑装饰工程集团有限公司 | Installation method for blind penetrating installation guide structure |
| CN106044564B (en) * | 2016-03-30 | 2018-01-12 | 上海市建筑装饰工程集团有限公司 | The blind installation method for wearing installation guide frame |
| WO2018188527A1 (en) * | 2017-04-10 | 2018-10-18 | 中铁十四局集团有限公司 | Process method for exchanging hob and toothed cutter at atmospheric pressure for use in composite stratum shield |
| CN110318767A (en) * | 2019-08-15 | 2019-10-11 | 中国铁建重工集团股份有限公司 | Shield constructs machine and blade disc thereof |
| CN112593966A (en) * | 2020-12-08 | 2021-04-02 | 安徽唐兴机械装备有限公司 | Efficient hob replacing device of push bench and using method thereof |
| CN112593966B (en) * | 2020-12-08 | 2022-12-06 | 安徽唐兴装备科技股份有限公司 | Efficient hob replacing device of push bench and using method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103726855B (en) | A kind of hobboing cutter normal pressure tool changing device | |
| CN203769792U (en) | Ordinary pressure hob replacing device | |
| CN107449569B (en) | Shield tail brush sealing performance testing device and testing method thereof | |
| CN110030430B (en) | Pipe jacking construction method for steel cylinder concrete pipe | |
| CN102155237A (en) | Device for replacing tail brush in shield tunneling process and construction method thereof | |
| CN107178373B (en) | A kind of spillage restorative procedure based on the hinged seal structure damage of shield machine | |
| CN103061772B (en) | Safe replacement device for soil pressure sensor | |
| CN205297583U (en) | Slurry shield shield tail sealing system | |
| CN108843336B (en) | Heading machine, heading machine cutterhead and cutter changing method | |
| CN205315003U (en) | Shield constructs articulated sealed protection device of machine | |
| CN105372134A (en) | Supercharging system integrated steel pipe hydrostatic testing machine water-filling apparatus | |
| CN102635355A (en) | Cutting part of tunneling machine | |
| CN205207320U (en) | Single piston rod pneumatic cylinder | |
| CN202209176U (en) | Sealing structure for cutter head of shield excavator | |
| CN204200819U (en) | Oil-filling type screw rod helmet | |
| CN108505932B (en) | Power head | |
| CN104632237A (en) | Detachable slewing bearing fixing device of shield heading machine cutter head driving mechanism | |
| CN103376032A (en) | Hydraulic rock blaster | |
| CN205192863U (en) | Turbocharging system integrated form steel pipe hydrostatic test machine fills wetting system | |
| CN101694262B (en) | High-pressure heavy-calibre tapping machine with external independent adjustable pressure balance system | |
| CN103062414B (en) | Emergency sealing device for shield water burst accident rescue | |
| CN107664018B (en) | Automatic control blowout preventer for horizontal and inclined drilling and installation and use methods thereof | |
| CN208564553U (en) | A kind of cutter head of shield machine freezing pipeline jointing construction | |
| CN202690050U (en) | Cutting part of heading machine | |
| CN206280077U (en) | The cutterhead water spraying structure of tunneling boring rock tunnel development machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140813 Termination date: 20170121 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |