CN104389616A - A jet barrier door device and a heading machine with the same - Google Patents
A jet barrier door device and a heading machine with the same Download PDFInfo
- Publication number
- CN104389616A CN104389616A CN201410467942.0A CN201410467942A CN104389616A CN 104389616 A CN104389616 A CN 104389616A CN 201410467942 A CN201410467942 A CN 201410467942A CN 104389616 A CN104389616 A CN 104389616A
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- Prior art keywords
- door
- plate part
- gush
- wear
- guiding
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- 230000004888 barrier function Effects 0.000 title abstract 4
- 238000007789 sealing Methods 0.000 claims abstract description 5
- 230000002262 irrigation Effects 0.000 claims description 25
- 238000003973 irrigation Methods 0.000 claims description 25
- 238000005461 lubrication Methods 0.000 claims description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 21
- 238000009412 basement excavation Methods 0.000 claims description 19
- 239000000203 mixture Substances 0.000 claims description 13
- 239000003351 stiffener Substances 0.000 claims description 7
- 239000000945 filler Substances 0.000 claims description 6
- 239000012535 impurity Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 10
- 230000008901 benefit Effects 0.000 abstract description 4
- 238000005299 abrasion Methods 0.000 abstract description 2
- 108091006146 Channels Proteins 0.000 description 42
- 238000000034 method Methods 0.000 description 27
- 230000008569 process Effects 0.000 description 26
- 230000008878 coupling Effects 0.000 description 15
- 238000010168 coupling process Methods 0.000 description 15
- 238000005859 coupling reaction Methods 0.000 description 15
- 238000010586 diagram Methods 0.000 description 8
- 239000004576 sand Substances 0.000 description 6
- 230000009471 action Effects 0.000 description 5
- 230000008674 spewing Effects 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 4
- 239000003673 groundwater Substances 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000011109 contamination Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 102000010637 Aquaporins Human genes 0.000 description 2
- 108010063290 Aquaporins Proteins 0.000 description 2
- 239000004519 grease Substances 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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
- E21D9/10—Making by using boring or cutting machines
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B5/00—Doors, windows, or like closures for special purposes; Border constructions therefor
- E06B5/10—Doors, windows, or like closures for special purposes; Border constructions therefor for protection against air-raid or other war-like action; for other protective purposes
-
- 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
- E21D9/12—Devices for removing or hauling away excavated material or spoil; Working or loading platforms
Landscapes
- 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)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Pressure Vessels And Lids Thereof (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The invention is about a jet barrier door device and a heading machine with the same. The jet barrier door device comprises a support component which is provided with an accommodating cavity inside and provided with a first conveying hole; a cover plate member fixed with the support component and provided with a second conveying hole cooperating with the first conveying hole; a first door plank member and a second door plank member which are disposed in the accommodating cavity and slide leftward and rightward relative to the bottom wall and the upper wall of the support component; driver elements, which are hinged with ends of the first door plank member and the second door plank member, and make the first conveying hole and the second conveying hole close or open by driving the first door plank member and the second door plank member to get close to each other or get away from each other. The jet barrier door device has the advantages of good sealing effect and abrasion resistance.
Description
Technical field
The present invention relates to Boring Machine Technique field, particularly relate to a kind of anti-development machine gushing door gear and have that this prevents gushing door gear.
Background technology
At present, development machine, due to its safety, economy and high efficiency construction characteristic, is widely applied in the excavation of city underground tunnel.After the dregs that knife cutting in development machine gets off and infusion stir in excavation cabin, carry out spoil disposal by the conveying worm be arranged on the anterior shield dividing plate in development machine.Thus the pressure of the dregs making to excavate in cabin or muddy water and ground water pressure equilibrium of forces, ensure that the safety that is stable and development machine on stratum is tunneled.
When Extra-fine sand, medium coarse sand stratum or groundwater level are higher, may spewing phenomenon be there is in development machine in the process of driving, now, high-pressure slurry can be ejected from its soil outlet by conveying worm, pollute driving owner cabin, a large amount of gushing may cause the pressure in excavation cabin to reduce, thus causes surface settlement.In addition, when needing maintenance when the helical axis generation cracking of conveying worm or the phenomenon of fracture, then need the helical axis of conveying worm to remove.In the process of dismounting, also by being poured in rapidly the inner chamber of conveying worm by dividing plate, may be there is the phenomenon of water burst, thus cause severe contamination to the main cabin of development machine in the dregs in excavation cabin or muddy water.Therefore, need to arrange the object that Fang Yongmen mechanism reaches isolation excavation cabin and conveying worm inner chamber.
There is the undesirable problem of sealing effectiveness in Fang Yongmen mechanism of the prior art.
Summary of the invention
For the problems referred to above, according to first topic of the present invention, propose one and prevent gushing door gear, it comprises: inside has the supporting component of container cavity, described supporting component is provided with the first sprocket hole; The cover piece fixed with described supporting component, described cover piece is provided with the second sprocket hole matched with described first sprocket hole; To be arranged in described container cavity and the diapire of relatively described supporting component and upper wall carry out the first door-plate part of horizontally slipping and the second door-plate part; Be hinged with the end of described first door-plate part and described second door-plate part respectively, drive the driver element that described first door-plate part is close to each other with described second door-plate part or be separated to make described first sprocket hole and described second sprocket hole to close or open.The center line that first door-plate part is this container cavity relative in container cavity with the second door-plate part does reciprocal rectilinear motion, under the effect of this hydraulic coupling, the piston rod piece in driver element is made linearly to promote the first door-plate part and the second door-plate part gradually near until completely closed.Because the active force of hydraulic pressure is larger, piston rod piece is made the hydraulic action received to be converted into completely horizontal thrust to the first door-plate part and the second door-plate part, whole hydraulic coupling is converted into the process of horizontal thrust, conversion ratio between hydraulic coupling and horizontal thrust is higher, thus, can by this first door-plate part and the second door-plate part completely closed, can not gap be left, and then, reach the first sprocket hole and the complete hermetic object of the second sprocket hole preferably.
Preferably, the soffit of described upper wall and the upper surface of described diapire are respectively arranged with the wearing plate of prevent from wearing and tearing described upper wall and described diapire.This wearing plate is that the steel plate manufacture of high-hardness forms, and has stronger wear resistence.Therefore, when diapire in supporting component of this first door-plate part and the second door-plate part and upper wall constantly reciprocatingly slide, due to the setting of this wearing plate, efficiently avoid the friction repeatedly to the upper surface of diapire and the soffit of upper wall of this first door-plate part and the second door-plate part, thus avoid the phenomenon that is worn.
Preferably, the two ends of described upper wall and the two ends of described diapire are provided with cross section is that spill stablizes the wear-resisting support of the guiding skidding off described container cavity to make described first door-plate part and described second door-plate part.
Preferably, the guiding wear-resistant trough fitted with the inner surface of the wear-resisting support of described guiding, described guiding wear-resistant trough and described first door-plate part and described second door-plate part are slidably matched.Because the inner surface of wear-resisting support of leading fits with the external surface of guiding wear-resistant trough, between the inner surface of the wear-resisting support that makes to lead and the external surface of guiding wear-resistant trough, there is not gap, so just makes smooth being arranged in the wear-resisting support of guiding of wear-resistant trough of leading.When the first door-plate part and the second door-plate part in continuous reciprocating process, the problem of meeting card can not occur, be convenient to slide smoothly in this guiding wear-resistant trough.The wear-resisting support of this guiding and guiding be after wear-resistant trough fits, and what define that the first door-plate part and the second door-plate part skid off the container cavity of supporting component along wearing plate skids off track.This skids off the setting of track, make this first door-plate part and the second door-plate part back and forth near or the process that is separated in, under this skids off the supporting role of track, enhance the stationarity in this first door-plate part and the second door-plate part sliding process, therefore, this first door-plate part and the second door-plate part moment is made to slide stably.
Preferably, described first door-plate part and described second door-plate part are arranged with respectively gap between the described first door-plate part of sealing and described container cavity and seal the seal in gap between described second door-plate part and described container cavity.Due to the setting of the seal, make not leave gap between the first door-plate part and container cavity and between the second door-plate part and container cavity, thus make the mixture of the dregs of container cavity outside and muddy water cannot enter this container cavity from gap, ensure that the first door-plate part and the second door-plate part is not contaminated and make the first door-plate part and the second door-plate part in the process reciprocatingly slided of container cavity, the problem that can not be hampered.
Preferably, described supporting component respectively and be all inlaid with to lubricate between described first door-plate part and between described second door-plate part and support, described lubrication support respectively and between the two side of described first door-plate part and and the two side of described second door-plate part between be all configured with lubrication channel.
Preferably, described lubrication is provided with at least two oil filler points being connected to lubricate described first door-plate part and described second door-plate part with described lubrication channel on supporting.By injecting lubrication oil in this oil filler point, this lubrication oil flows through lubrication channel, in the process flowing through this lubrication channel, grease lubrication is carried out in the two side of the first door-plate part and the two side of the second door-plate, make this first door-plate part and the second door-plate part by the process of push-and-pull repeatedly, decrease the friction factor of the sidewall of the first door-plate and the sidewall of the second door-plate, thus greatly reduce frictional resistance, and extend the mechanical life of this first door-plate part and the second door-plate part, improve economic benefit.
Preferably, the both sides of the wear-resisting support of described guiding are vertically installed with the stiffener making the wear-resisting supporting and location of described guiding firm.First door-plate part and the second door-plate part are relative in the reciprocating process of the center line of container cavity, downward active force can be produced to wear-resisting support of this guiding, and this active force constantly skids off container cavity and increases gradually along with this first door-plate part and the second door-plate part, thus can cause larger impact to the stability of the wear-resisting support of this guiding.But owing to being provided with this reinforcement in the embodiment of the application, this reinforcement makes to lead wear-resisting supporting and location firmly, efficiently avoid the instable generation of the wear-resisting support of guiding.
Preferably, described upper wall and the flushed channel being provided with the first irrigation channel in described diapire and be connected with described first irrigation channel.
Preferably, described wearing plate is provided with the second irrigation channel being connected to rinse impurity with described flushed channel.This first irrigation channel and flushed channel perpendicular, be connected with the contact site of flushed channel at this first irrigation channel.Wearing plate is provided with the second irrigation channel, this second irrigation channel and this flushed channel perpendicular, the position contacted with this flushed channel at this second irrigation channel is connected.When leaving the mixture of dregs and muddy water or silt and blinding between the first door-plate part and the second door-plate part, external water pipe is connected with the first irrigation channel, water filling in this first irrigation channel, water flows to the second irrigation channel through flushed channel, now, water with certain hydraulic pressure ejects from this second irrigation channel, thus the mixture of the dregs between the first door-plate part and the second door-plate part and muddy water or silt and blinding are rinsed away, thus the pollution avoided container cavity in this supporting component, ensure that the first door-plate part and the smooth slip of the second door-plate part on wearing plate, the problem that can not be hampered.
Preferably, described driver element comprises cylinder body and to be arranged in described cylinder body and can to carry out the piston rod piece of stretching by relatively described cylinder body.
Preferably, the two ends up and down of described supporting component and described cover piece are respectively provided with two registration holes, and described supporting component is provided with screwed hole along the circumference equalization of described first sprocket hole.
According to second theme of the present invention, propose a kind of development machine, it comprises: development machine body, be positioned at described development machine intrinsic pressure-bearing dividing plate, conveying worm, excavation cabin and described anti-ly gush door gear, the described anti-door gear that gushes is arranged on and has on the described pressure-bearing dividing plate of described helical feed pusher side, enters in the inner chamber of described conveying worm to stop the mixture of the dregs in described excavation cabin and muddy water.
According to the present invention, described anti-gush door gear have good sealing effect, abrasion resistance strong, slide flexibly and stable advantage of sliding.This development machine be in containing fine sand or medium coarse sand stratum or be in the higher soil layer of groundwater table time, may spewing phenomenon be there is in the process of continuous driving.Now, high-pressure slurry can from a large amount of the ejecting of the slag notch of conveying worm.Thus severe contamination is caused to the inside of this development machine body.For avoiding the generation of above-mentioned phenomenon, being provided with in described development machine and describedly anti-gushing door gear.Under the effect of hydraulic coupling, piston rod piece is made linearly to promote the first door-plate and the second door-plate part gradually near until completely closed.Because the active force of hydraulic pressure is larger, piston rod piece is made the hydraulic action received to be converted into completely horizontal thrust to the first door-plate part and the second door-plate part, whole hydraulic coupling is converted into the process of horizontal thrust, conversion ratio between hydraulic coupling and horizontal thrust is higher, thus, can by this first door-plate part and the second door-plate part completely closed, can not gap be left.So just effectively prevent the mixture of dregs and muddy water to enter in the inner chamber of conveying worm, avoid the pollution to development machine body interior.
Accompanying drawing explanation
Also will be described in more detail the present invention with reference to accompanying drawing based on embodiment hereinafter.In the drawings:
Fig. 1 is the axle geodesic structure schematic diagram that the present invention prevents gushing the Lower Half of door gear.
Fig. 2 is the partial enlargement structural representation of Fig. 1.
Fig. 3 is the first side overall structure schematic diagram that the present invention prevents gushing door gear.
Fig. 4 is the partial enlargement structural representation of Fig. 3.
Fig. 5 is the second side overall structure schematic diagram that the present invention prevents gushing door gear.
Fig. 6 is the overall structure schematic diagram of development machine of the present invention.
In the accompanying drawings, identical parts use identical Reference numeral.Accompanying drawing is not according to the scaling of reality.
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described.
Refer to Fig. 1, it prevents the axle geodesic structure schematic diagram of the Lower Half of gushing door gear for the present invention.As shown in the figure, owing to preventing that the first half structure of gushing door gear 100 is identical with Lower Half structure, for avoiding repeating, Lower Half structure is described in detail herein.Describedly anti-gush door gear 100 and comprise supporting component 1, cover piece 2, first door-plate part 3, second door-plate part 4 and driver element 5.
Supporting component 1 is provided with the first sprocket hole 11, this first sprocket hole 11 is identical with the aperture of conveying worm 10 (see Fig. 6) as described below.The inside of this supporting component 1 has container cavity 12, and be provided with the first door-plate part 3 and the second door-plate part 4 in this container cavity 12, this first door-plate part 3 is symmetrical arranged with the center line of the second door-plate part 4 this container cavity 12 relative.This first door-plate part 3 and the second door-plate part 4 can the diapire 14 of this supporting component 1 relative and upper wall horizontally slip.
This supporting component 1 comprises diapire 14 and upper wall, and diapire 14 is parallel to each other with upper wall and width is identical.In a preferred embodiment, the upper surface of diapire 14 and the soffit of upper wall are provided with wearing plate 16, and this wearing plate 16 is fixed by screw.This wearing plate 16 is that the steel plate manufacture of high-hardness forms, and has stronger wear resistence.Therefore, when this first door-plate part 3 and the second door-plate part 4 constantly reciprocatingly slide on diapire 14 and upper wall, due to the setting of this wearing plate 16, efficiently avoid the friction repeatedly of this first door-plate part 3 and the upper surface of the second door-plate part 4 pairs of diapires 14 and the soffit of upper wall, thus avoid the phenomenon that is worn.
In a preferred embodiment, the two ends of diapire 14 of supporting component 1 and the two ends of upper wall are provided with the wear-resisting support 17 of guiding, and the cross sectional shape of the wear-resisting support 17 of this guiding is spill.Guiding wear-resistant trough 18 is provided with in the wear-resisting support 17 of this guiding, the inner surface of the wear-resisting support 17 of this guiding and the external surface of this guiding wear-resistant trough 18 fit, and be fixed by screw, thus what make that this guiding wear-resistant trough 18 can be smooth is arranged in the wear-resisting support 17 of guiding.This guiding wear-resistant trough 18 is that the steel plate manufacture of high-hardness forms, and has stronger wear resistence.In the process that the first door-plate part 3 and the second door-plate part 4 and this guiding wear-resistant trough 18 are slidably matched, due to the inner surface of wear-resisting support 17 of leading and smooth the fitting of external surface of this guiding wear-resistant trough 18, make the first door-plate part 3 and the second door-plate part 4 in the continuous reciprocating process of this guiding wear-resistant trough 18, the problem of meeting card can not be there is, be convenient to slide smoothly.After wear-resisting support 17 of leading fits with guiding wear-resistant trough 18, what constitute that this first door-plate part 3 and the second door-plate part 4 skid off container cavity 12 in supporting component 1 along wearing plate 16 skids off track.This skid off track make this first door-plate part 3 and the second door-plate part 4 repeatedly near or the process that is separated in needed for support force, thus, enhance the stationarity in this first door-plate part 3 and the second door-plate part 4 sliding process.Therefore, make this first door-plate part 3 and the second door-plate part 4 moment can the slip of held stationary.
In a preferred embodiment, the both sides of the wear-resisting support 17 of each guiding are all vertically installed with stiffener 19, and this stiffener 19 is fixed by the mode of screw, bolt or welding.The height of this stiffener 19 is identical with the height of the container cavity 12 of supporting component 1, because this stiffener 19 is securely fixed in the both sides of wear-resisting support 17 of leading, serves the effect supporting and fix the wear-resisting support 17 of this guiding.In the center line reciprocating process of the first door-plate part 3 with the relative container cavity of the second door-plate part 4 12, downward active force can be produced to the wear-resisting support of this guiding 17, and this active force constantly skids off container cavity 12 and increases gradually along with this first door-plate part 3 and the second door-plate part 4, thus can cause larger impact to the stability of the wear-resisting support of this guiding 17.In the embodiment of the application, owing to being provided with this stiffener 19, efficiently avoid the instable generation of wear-resisting support 17 of leading.Ensure that the intensity of the wear-resisting support 17 of this guiding, make the first door-plate part 3 and the second door-plate part 4 in reciprocating process, can slide stably.
Cover piece 2 is connected by screw or bolt is fastened on this supporting component 1, this cover piece 2 is provided with the second sprocket hole 21 (see Fig. 3) as described below.
In a preferred embodiment, driver element 5 comprises cylinder body 51 and is arranged on the piston rod piece 52 in this cylinder body 51.This piston rod piece 52 can be stretched at the fro inside of this cylinder body 51.Wherein, this piston rod piece 52 is hinged towards the end skidding off container cavity 12 with the first door-plate part 3 and the second door-plate part 4 respectively.Under the effect of the hydraulic coupling of driver element 5 applying, this cylinder body 51 is stretched out by piston rod piece 52, and linearly promote this first door-plate part 3 and the second door-plate part 4 gradually near until completely closed, thus realize the closedown to this first sprocket hole 11 and the second sprocket hole 21.Under the effect of the hydraulic coupling of this driver element 5 applying, by driving this piston rod piece 52 to bounce back to gradually in cylinder body 51, drive this first door-plate part 3 and the second door-plate part 4 gradually away from until this first sprocket hole 11 and the second sprocket hole 12 are opened completely.Apply the effect of hydraulic coupling at driver element 5 under, the first door-plate part 3 and the second door-plate part 4 is driven to do the reciprocating motion of straight line by this piston rod piece 52.Because hydraulic action is comparatively large, piston rod piece 52 is made the hydraulic action received to be converted into completely horizontal thrust to the first door-plate part 3 and the second door-plate part 4.Be converted into the process of horizontal thrust in whole hydraulic coupling, the conversion ratio between hydraulic coupling and horizontal thrust is higher, thus, can by this first door-plate part 3 and the second door-plate part 4 completely closed, can not gap be left.Like this, achieve the first sprocket hole 11 and the complete hermetic object of the second sprocket hole 12 well.
Refer to Fig. 2, it is the partial enlargement structural representation of Fig. 1.As shown in the figure, in a preferred embodiment, the first door-plate part 3 (see Fig. 1) and the second door-plate part 4 (see Fig. 1) are all arranged with seal 6, and the seal 6 can be O-ring seals or has the parts of sealed material.The setting of the seal 6, the gap that can seal the gap between the first door-plate part 3 and container cavity 12 (see Fig. 1) preferably and seal between the second door-plate part 4 and container cavity 12, thus the mixture of the dregs of container cavity 12 outside and muddy water cannot be entered this container cavity 12 from gap, ensure that the first door-plate part 3 and the second door-plate part 4 not contaminated.Meanwhile, make the first door-plate part 3 and the second door-plate part 4 in the process reciprocatingly slided of container cavity 12, the problem that can not be hampered.
In a preferential embodiment, be all inlaid with between the first door-plate part 3 and supporting component 1 (see Fig. 1) and between the second door-plate part 4 and supporting component 1 and lubricate support 7, this lubrication support 7 height consistent with the height of this supporting component 1.This lubrication support 7 respectively and between the two side of the first door-plate part 3 and and the two side of the second door-plate part 4 between be all configured to lubrication channel 71.The upper and lower side of this lubrication support 7 is respectively provided with at least one oil filler point 72, and this oil filler point 72 is connected with lubrication channel 71.By injecting lubrication oil in this oil filler point 72, this lubrication oil flows through lubrication channel 71, in the process flowing through this lubrication channel 71, grease lubrication is carried out in the two side of the two side of the first door-plate part 3 and the second door-plate part 4, make this first door-plate part 3 and the second door-plate part 4 by the process of push-and-pull repeatedly, decrease the friction factor of the sidewall of the first door-plate part 3 and the sidewall of the second door-plate part 4.Thus, greatly reduce frictional resistance, and extend the mechanical life of this first door-plate part 3 and the second door-plate part 4, improve economic benefit.
When lubrication oil flows through lubrication channel 71, when finally flowing in guiding wear-resistant trough 18 (see Fig. 1), the position that the position that first door-plate part 3 is contacted with guiding wear-resistant trough 18 and the second door-plate part 4 contact with guiding wear-resistant trough 18 adds lubricity, decrease friction factor, be convenient to the first door-plate part 3 and the second door-plate part 4 reciprocatingly sliding in guiding wear-resistant trough 18, reduce the degree of wear each other.
Refer to Fig. 3 and Fig. 4, it is respectively the present invention and prevents gushing the first side overall structure schematic diagram of door gear and the partial enlargement structural representation of Fig. 3.As shown in Figure 3, now, piston rod piece 52 is stretched out in cylinder body 51 completely, and anti-the first door-plate part 3 of gushing in door gear 100 and the second door-plate part 4 are in completely closed state.What this lateral view presented is the view with cover piece 2 side.
In a preferred embodiment, this cover piece 2 is provided with the second sprocket hole 21 matched with the first sprocket hole 11 (see Fig. 1).Wherein, the diameter of this first sprocket hole 11 is identical with the diameter of this second sprocket hole 21.The two ends up and down of cover piece 2 are respectively provided with two and ranked first locating hole 22 (see Fig. 3).Wherein, the first irrigation channel 141 and flushed channel 142 is provided with in the diapire 14 of this supporting component 1 and upper wall.This first irrigation channel 141 is perpendicular with flushed channel 142, is connected with the contact site of flushed channel 142 at this first irrigation channel 141.Wearing plate 16 (see Fig. 4) is provided with the second irrigation channel 161, this second irrigation channel 161 is perpendicular with this flushed channel 142, and the position contacted with this flushed channel 142 at this second irrigation channel 161 is connected.When having the mixture of dregs and muddy water or silt and blinding between the first door-plate part 3 and the second door-plate part 4, external water pipe is connected with the first irrigation channel 141, water filling in this first irrigation channel 141, water flows to the second irrigation channel 161 through flushed channel 142.Now, water with certain hydraulic pressure ejects from this second irrigation channel 161, thus, the mixture of the dregs between the first door-plate part 3 and the second door-plate part 4 and muddy water or silt and blinding are rinsed away, thus the pollution avoided container cavity in this supporting component 1 12 (see Fig. 1), ensure that the first door-plate part 3 and the second door-plate part 4 sliding smoothly on wearing plate 16, the problem that can not be hampered.
Refer to Fig. 5, it prevents the second side overall structure schematic diagram gushing door gear for the present invention.As shown in the figure, what this lateral view presented is the view with supporting component 1 side.Now, piston rod piece 52 bounces back in cylinder body 51 completely, and anti-the first door-plate part 3 of gushing in door gear 100 and the second door-plate part 4 are in the state opened completely.In a preferred embodiment, the two ends up and down of gripper shoe assembly 1 are respectively provided with two and ranked second locating hole 20, and this second locating hole 20 is coaxial with aforementioned first locating hole 22 (see Fig. 3).After the second locating hole 20 matches with aforementioned first locating hole 22, connected by bolt, this anti-location of gushing between door gear 100 and pressure-bearing dividing plate 9 (see Fig. 6) as described below can be realized.This supporting component 1 is provided with screwed hole 23 along the circumference equalization of the first sprocket hole 11, after this screwed hole 23 and the corresponding threaded holes on conveying worm 10 (see Fig. 6) as described below close, connected by screw, this anti-location of gushing between door gear 100 and conveying worm 10 can be realized.
Refer to Fig. 6, it is the overall structure schematic diagram of development machine of the present invention.As shown in the figure, this development machine 200 comprises development machine body 8, pressure-bearing dividing plate 9, conveying worm 10, excavation cabin 30 and prevents gushing door gear 100.Wherein, pressure-bearing dividing plate 9, conveying worm 10, excavation cabin 30 and anti-gush door gear 100 and be all arranged in development machine body 8.This pressure-bearing dividing plate 9 is provided with the through hole matched with the first sprocket hole 11 (see Fig. 1) and the second sprocket hole 21 (see Fig. 3) respectively.In a preferred embodiment, by being provided with pressure-bearing dividing plate 9 in this development machine body 8, this development machine body 8 is divided into two parts.The front portion (the C direction see arrow indication in figure) of this pressure-bearing dividing plate 9 is excavation cabin 30, and rear portion is provided with conveying worm 10 (the D direction see arrow indication in figure).This is anti-gush door gear 100 be arranged on there is conveying worm 10 side pressure-bearing dividing plate 9 on.
The inner chamber of this conveying worm 10 is connected with the anti-container cavity 12 (see Fig. 1) gushed in door gear 100, and the inner chamber in excavation cabin 30 prevents gushing the intracavity inter-connection of the first sprocket hole 1 (see Fig. 1) and the second sprocket hole 21 (see Fig. 3) and the conveying worm 10 that door gear 100 is arranged by the through hole that pressure-bearing dividing plate 9 is arranged with this.When this development machine 200 be in containing fine sand or medium coarse sand stratum or be in the higher soil layer of groundwater table time, can spewing phenomenon be there is in the process of continuous driving.Now, the dregs of underground and the mixture of muddy water by excavation cabin 30 from a large amount of the ejecting of the slag notch of conveying worm 10, thus can cause severe contamination to the inside of this development machine body 8.For avoiding the generation of above-mentioned phenomenon, under the effect of hydraulic coupling, piston rod piece 52 (see Fig. 1) is made linearly to promote the first door-plate part 3 (see Fig. 1) and the second door-plate part 4 (see Fig. 1) gradually near until completely closed.Because the active force of hydraulic pressure is larger, piston rod piece 52 is made the hydraulic action received to be converted into completely horizontal thrust to the first door-plate part 3 and the second door-plate part 4, whole hydraulic coupling is converted into the process of horizontal thrust, conversion ratio between hydraulic coupling and horizontal thrust is higher, thus, can by this first door-plate part 3 and the second door-plate part 4 completely closed, can not gap be left.So just effectively prevent the mixture of dregs and muddy water to enter in the inner chamber of conveying worm 10, avoid the pollution to development machine body 8 inside.
Due to the overwork that conveying worm 10 is long-term, conveying worm 10 is made to need to disassemble when overhauling, in order to ensure the pressure balance of excavating cabin 30 and excavation face, avoid the front tunneled that landslide phenomenon occurs, the first door-plate part 3 preventing gushing in door gear 100 and the second door-plate part 4 should be closed.But easy understand, the process of closing when the first door-plate part 3 and the process that the second door-plate part 4 is closed and principle and generation spewing phenomenon and principle identical, in order to avoid repeating, no longer describe in detail herein.
When conveying worm 10 overhauls complete or spewing phenomenon disappearance, then under the effect of hydraulic coupling, piston rod piece 52 is made to drive the first door-plate part 3 to be separated gradually with the second door-plate part 4, till this first sprocket hole 11 and the second sprocket hole 21 being opened completely.Now, piston rod piece 52 just stretches in cylinder body 51 (see Fig. 1) completely.After opening, successfully the mixture of the dregs in excavation cabin 30 and muddy water can be carried out by conveying worm 10, ensure that the excavation pressure of inside, cabin 30 and the pressure balance of excavation face, development machine 200 can constantly be tunneled forward, meanwhile, ensure that ground do not occur sedimentation or excavation cabin 30 front end do not occur cave in phenomenon.
Although invention has been described with reference to preferred embodiment, without departing from the scope of the invention, various improvement can be carried out to it and parts wherein can be replaced with equivalent.Especially, only otherwise there is structural hazard, the every technical characteristic mentioned in each embodiment all can combine in any way.The present invention is not limited to specific embodiment disclosed in literary composition, but comprises all technical schemes fallen in the scope of claim.
Claims (13)
1. prevent gushing a door gear, it comprises:
Inside has the supporting component of container cavity, described supporting component is provided with the first sprocket hole;
The cover piece fixed with described supporting component, described cover piece is provided with the second sprocket hole matched with described first sprocket hole;
To be arranged in described container cavity and the diapire of relatively described supporting component and upper wall carry out the first door-plate part of horizontally slipping and the second door-plate part;
Be hinged with the end of described first door-plate part and described second door-plate part respectively, drive the driver element that described first door-plate part is close to each other with described second door-plate part or be separated to make described first sprocket hole and described second sprocket hole to close or open.
2. according to claim 1ly anti-gush door gear, it is characterized in that, the soffit of described upper wall and the upper surface of described diapire are respectively arranged with the wearing plate of prevent from wearing and tearing described upper wall and described diapire.
3. according to claim 2ly anti-gush door gear, it is characterized in that, it is that spill stablizes the wear-resisting support of the guiding skidding off described container cavity to make described first door-plate part and described second door-plate part that the two ends of described upper wall and the two ends of described diapire are provided with cross section.
4. according to claim 3ly anti-gush door gear, it is characterized in that, the guiding wear-resistant trough fitted with the inner surface of the wear-resisting support of described guiding, described guiding wear-resistant trough and described first door-plate part and described second door-plate part are slidably matched.
5. according to claim 1 and 2ly anti-gush door gear, it is characterized in that, described first door-plate part and described second door-plate part are arranged with respectively gap between the described first door-plate part of sealing and described container cavity and seal the seal in gap between described second door-plate part and described container cavity.
6. according to claim 5ly anti-gush door gear, it is characterized in that, described supporting component respectively and be all inlaid with to lubricate between described first door-plate part and between described second door-plate part and support, described lubrication support respectively and between the two side of described first door-plate part and and the two side of described second door-plate part between be all configured with lubrication channel.
7. according to claim 6ly anti-gush door gear, it is characterized in that, described lubrication support is provided with at least two oil filler points being connected to lubricate described first door-plate part and described second door-plate part with described lubrication channel.
8. anti-according to claim 3 or 4 gushes door gear, and it is characterized in that, the both sides of the wear-resisting support of described guiding are vertically installed with the stiffener making the wear-resisting supporting and location of described guiding firm.
9. according to claim 2ly anti-gush door gear, it is characterized in that, described upper wall and the flushed channel being provided with the first irrigation channel in described diapire and be connected with described first irrigation channel.
10. according to claim 9ly anti-gush door gear, it is characterized in that, described wearing plate is provided with the second irrigation channel being connected to rinse impurity with described flushed channel.
11. according to claim 1 and 2ly anti-gush door gear, it is characterized in that, described driver element comprises cylinder body and to be arranged in described cylinder body and can to carry out the piston rod piece of stretching by relatively described cylinder body.
12. according to claim 1 and 2ly anti-gush door gear, and it is characterized in that, the two ends up and down of described supporting component and described cover piece are respectively provided with two registration holes, and described supporting component is provided with screwed hole along the circumference equalization of described first sprocket hole.
13. 1 kinds of development machines, it comprises: development machine body, be positioned at described development machine intrinsic pressure-bearing dividing plate, conveying worm, excavation cabin and have according to any one of above-mentioned 1 to 12 anti-ly gush door gear, the described anti-door gear that gushes is arranged on and has on the described pressure-bearing dividing plate of described helical feed pusher side, enters in the inner chamber of described conveying worm to stop the mixture of the dregs in described excavation cabin and muddy water.
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| CN201410467942.0A CN104389616B (en) | 2014-09-15 | 2014-09-15 | A kind of anti-development machine for gushing door gear and preventing gushing door gear with this |
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| CN201410467942.0A CN104389616B (en) | 2014-09-15 | 2014-09-15 | A kind of anti-development machine for gushing door gear and preventing gushing door gear with this |
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| CN104389616B CN104389616B (en) | 2017-07-28 |
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|---|---|
| CN104389616B (en) | 2017-07-28 |
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