CN110821506B - Shield constructs machine with telescopic ordinary pressure trades sword storehouse - Google Patents
Shield constructs machine with telescopic ordinary pressure trades sword storehouse Download PDFInfo
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- CN110821506B CN110821506B CN201911238720.0A CN201911238720A CN110821506B CN 110821506 B CN110821506 B CN 110821506B CN 201911238720 A CN201911238720 A CN 201911238720A CN 110821506 B CN110821506 B CN 110821506B
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- E—FIXED CONSTRUCTIONS
- E21—EARTH 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
Abstract
The invention discloses a shield tunneling machine with a telescopic normal-pressure cutter changing bin, which comprises a shield tunneling machine body and a cutter head body in transmission connection with the advancing end of the shield tunneling machine body, wherein the cutter head body is of a flat cylindrical structure, five slag holes are formed in the end face of the cutter head body at equal angles, and a cutter clamping plate is arranged between the adjacent slag holes on the end face of the cutter head body. According to the invention, the first and second telescopic fan-shaped shells which are connected with the shield machine body are arranged in the area between the cutter head body and the shield machine body, and the sealing is arranged at the joint of the first and second fan-shaped shells, so that when an operator replaces a cutter, the first and second telescopic fan-shaped shells are connected with the cutter head body to form a muck hole adjacent to the cutter head body and a cabin body sealed by the cutter clamping plate, and therefore, the high-pressure supporting soil body is ensured, the operator can work at normal pressure conveniently, the cutter head replacement efficiency is improved, and the replacement period is shortened.
Description
Technical Field
The invention relates to the technical field of shield machines, in particular to a shield machine with a telescopic normal-pressure cutter replacing cabin.
Background
A shield machine is a tunnel boring machine using a shield method. The shield construction method is that a heading machine constructs a 'shield' of a tunnel while heading, and the shield refers to a supporting segment. The shield constructs machine and cuts soil through its rotatory cutter head to set up the tunnel, but the cutter body of cutter head and soil when cutting, can produce wearing and tearing, therefore need carry out periodic replacement to the cutter head, if the cutting department does not support, can lead to the excavation face to collapse in the gushing water that excavation face department appears, seriously can lead to the excavation face to collapse, therefore the change of cutter head need take the area to advance under the environment in storehouse and go on.
However, the cutter changing body is damaged to the human body to a certain extent under the high-pressure environment, and the operator cannot work under the high-pressure environment for a long time, so that the cutter head is changed at low efficiency, the change period is long, and therefore the normal-pressure cutter changing bin which can balance the digging surface, gush water and is convenient for the operator to move is needed.
Disclosure of Invention
In order to overcome the technical problems, the invention aims to provide a shield tunneling machine with a telescopic normal-pressure cutter changing bin, wherein a first telescopic fan-shaped shell and a second telescopic fan-shaped shell which are connected with a shield tunneling machine body are arranged in a region between a cutter body and the shield tunneling machine body, and a seal is arranged at the joint of the first fan-shaped shell and the second fan-shaped shell, so that an operator is connected with the cutter body through the telescopic first fan-shaped shell and the second fan-shaped shell when changing a cutter, a muck hole adjacent to the cutter body and a bin body sealed by a cutter clamping plate are formed, the efficiency of cutter changing is improved while the operator works under normal pressure while the high-pressure support soil body is ensured, and the changing period is shortened, and the specific scheme is as follows:
a shield machine with a telescopic normal-pressure cutter changing bin comprises a shield machine body and a cutter body which is in transmission connection with the advance end of the shield machine body, wherein the cutter body is of a flat cylindrical structure, five slag holes are formed in the end face of the cutter body at equal angles, a cutter holder plate is arranged between the adjacent slag holes on the end face of the cutter body, the circle center position of the back face of the cutter body is connected with a connecting plate through a plurality of connecting columns which are connected at equal angles relative to the axial line of the cutter body, cutter grooves are uniformly formed in the positions of the cutter body corresponding to the connecting plate and the cutter holder plate, hobbing cutters extending to the outer part of the surface of the cutter body deviating from the connecting plate are fixed in the hobbing grooves, cutter grooves are uniformly formed in the surfaces of the cutter body, close to the adjacent slag holes and deviating from the connecting plate, scrapers are fixed in the cutter grooves, inner circular grooves are formed in the surfaces of the cutter body, the surface of the same side of the cutter head body and the connecting plate, which is close to the side wall of the cutter head body, is provided with an outer circular groove, and the surface of the same side of the cutter head body and the connecting plate, which is equiangular with respect to the axis of the cutter head body, is provided with five partition grooves for connecting the inner circular groove and the outer circular groove;
the shield machine body comprises an outer cylinder body, an outer circular plate is arranged on the end face, close to the cutter head body, of the outer cylinder body, an inner partition plate parallel to the outer circular plate is fixed in the outer cylinder body, close to the outer circular plate, a driving machine bin is fixed at the circle center positions of the outer circular plate and the inner partition plate, a power unit is fixed in the driving machine bin, the power unit is in transmission connection with a driving disc movably connected at the circle center position of the outer circular plate, and the driving disc is connected with a connecting plate through bolts;
the end face of the outer circular plate, which is positioned at the upper part of the driver cabin, is provided with a fan-shaped hole, the inside of the fan-shaped hole is provided with a second fan-shaped shell, the outer wall of the second fan-shaped shell is sleeved with a first fan-shaped shell in a sliding manner, the surface of the first fan-shaped shell, which is far away from the outer circular plate, is fixed with an outer sealing cover plate, the surface of the outer sealing cover plate is fixed with an extrusion plate, the end faces of the outer circular plate, which are positioned at the centers of two side edges of the fan-shaped hole, are both provided with hydraulic cylinder fixing grooves, the inside of each hydraulic cylinder fixing groove is fixed with a hydraulic telescopic cylinder, the position, corresponding to the position of the hydraulic telescopic cylinder, of the side wall of the outer sealing cover plate is connected with a connecting lug fixed with the end part of a telescopic rod of the hydraulic telescopic, the side edge of the round door opening is rotatably connected with a sealing door through a hinge.
Based on the above, the dregs hole is fan-shaped, and the centre of a circle of fan-shaped and the centre of a circle coincidence of cutter head terminal surface make the dregs hole can evenly collect the dregs of passing through the scraper of cutter head body.
Based on the above, the axis of hobbing cutter is perpendicular to the axis of cutter head body, and the cutter head body of shield machine is at rotatory in-process like this for the hobbing cutter cutting edge is in all the time with cutter head body axis vertical state, and cutting effect is good.
Based on the above, the profile of stripper plate is fan-shaped, and wherein, the width on the big arc limit of stripper plate corresponds the same with the groove width and the excircle diameter in excircle groove respectively with excircle groove, the width on the little arc limit of stripper plate corresponds the same with the groove width and the excircle diameter in interior circular groove respectively with excircle diameter, contained angle between the both sides limit of stripper plate is the same with adjacent contained angle between cutting off inslot side, and the stripper plate realizes that first fan-shaped casing and the fan-shaped casing of second constitute the sealed of storehouse body through cutting off the groove joint with excircle groove, interior circular groove like this.
Based on the above, the outer contour of the first fan-shaped casing is the same as the inner contour of the fan-shaped hole, an inner sealing cover plate is fixed on the end face, close to the inner partition plate, of the second fan-shaped casing, the outer contour of the inner sealing cover plate is larger than the inner contour of the fan-shaped hole, after the second fan-shaped casing is stretched outwards through the arrangement of the inner sealing cover plate, the sealing performance between the second fan-shaped casing and the fan-shaped hole is improved, the outer contour of the outer sealing cover plate is larger than the inner contour formed by connecting the fan-shaped hole and a hydraulic cylinder fixing groove, and the sealing performance between the first fan-shaped casing and the outer circular plate in the storage.
Based on the above, the outer sealing cover plate and the inner sealing cover plate are fixed with rubber pads adhered to the surfaces of the outer circular plate, the first fan-shaped shell is close to the inner wall of the second fan-shaped shell, and the outer wall of the fan-shaped plate is sleeved with rubber sleeves, so that the sealing performance of the joints of the first fan-shaped shell, the second fan-shaped shell, the outer sealing cover plate and the inner sealing cover plate is enhanced by the rubber pads and the rubber sleeves.
Compared with the prior art, the invention has prominent substantive characteristics and remarkable progress, which are specifically shown in the following steps:
1. an inner circular groove is arranged on the back surface of the cutter head body close to the central position, an outer circular groove is arranged on the side wall of the cutter head body close to the cutter head body, five partition grooves for connecting the inner circular groove and the outer circular groove are arranged on the back surface of the cutter head body at equal angles relative to the axis of the cutter head body, a fan-shaped hole is arranged on the end surface of an outer circular plate of a shield machine body, which is positioned on the upper part of a driver cabin, a second fan-shaped shell is arranged inside the fan-shaped hole, a first fan-shaped shell is sleeved on the outer wall of the second fan-shaped shell in a sliding mode, an outer sealing cover plate is fixed on the surface of the first fan-shaped shell, which is far away from the outer circular plate, an extrusion plate is fixed on the surface of the outer sealing cover plate, hydraulic cylinder fixing grooves are arranged on the end surfaces of the two side edges of the fan-, the inner baffle plate is connected with a sector plate which is connected with the inner wall of the second sector shell in a sliding way through four connecting rods which are uniformly distributed at the positions corresponding to the sector holes, a circular door opening is arranged at the center of the sector plate, the side edge of the circular door opening is rotationally connected with a sealing door through a hinge, by arranging the first and second telescopic sector-shaped shells connected with the shield machine body in the area between the cutter head body and the shield machine body, and the joint of the first sector shell and the second sector shell is provided with a seal, so that when an operator replaces a cutter, the cutter head body is connected with the telescopic first fan-shaped shell and the telescopic second fan-shaped shell to form a slag hole adjacent to the cutter head body and a cabin body sealed by the cutter clamping plate, when guaranteeing the high pressure support soil body, make things convenient for operating personnel to work under the ordinary pressure simultaneously, promote the efficiency that the tool bit was changed, shorten the change cycle.
Drawings
The invention will be further described with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram of a shield tunneling machine according to the present invention.
Fig. 2 is a front view of the cutter head body of the present invention.
Fig. 3 is a back structure diagram of the cutter head body of the invention.
Fig. 4 is a schematic structural view of the shield body of the present invention.
Fig. 5 is an exploded view of the shield body of the present invention.
Fig. 6 is a schematic structural view of the first segment casing of the present invention.
In the figure: 100. a cutter head body; 101. a scraper; 102. a scraper groove; 103. a cutter rolling groove; 104. hobbing cutters; 105. a slag hole; 106. a knife clamping plate; 107. an inner circular groove; 108. connecting columns; 109. a blocking groove; 110. an outer circular groove; 111. a connecting plate; 200. a shield machine body; 201. an inner partition plate; 202. a driver cabin; 2021. a drive disc; 203. an outer circular plate; 2031. a hydraulic cylinder fixing groove; 2032. a sector hole; 204. a hydraulic telescopic cylinder; 205. a first fan-shaped housing; 2051. connecting lugs; 2052. a pressing plate; 2053. the cover plate is sealed externally; 206. a second fan-shaped housing; 207. a sector plate; 2071. a sealing door; 208. a connecting rod; 209. an outer cylinder.
Detailed Description
The technical solution of the present invention is further described in detail by the following embodiments.
Examples
As shown in fig. 1-6, the invention provides a shield machine with a telescopic normal-pressure cutter changing bin, which comprises a shield machine body 200 and a cutter head body 100 in transmission connection with the advancing end of the shield machine body, wherein the cutter head body 100 is in a flat cylindrical structure, five slag holes 105 are formed in the end surface of the cutter head body 100 at equal angles, a cutter holder plate 106 is arranged between the adjacent slag holes 105 on the end surface of the cutter head body 100, the circle center position of the back surface of the cutter head body 100 is connected with a connecting plate 111 through a plurality of connecting columns 108 which are connected with the axis of the cutter head body 100 at equal angles, cutter grooves 103 are uniformly formed in the positions of the cutter head body 100 corresponding to the connecting plate 111 and the cutter holder plate 106, a hob 104 extending to the outside of the surface of the cutter head body 100 departing from the connecting plate 111 is fixed inside the hob grooves 103, the cutter grooves 102 are uniformly formed in the surfaces of the cutter head body 100, a scraper 101 is fixed in the scraper groove 102, an inner circular groove 107 is formed in the surface of the cutter disc body 100 on the same side as the connecting plate 111, an outer circular groove 110 is formed in the side wall, close to the cutter disc body 100, of the surface of the cutter disc body 100 on the same side as the connecting plate 111, five partition grooves 109 for connecting the inner circular groove 107 and the outer circular groove 110 are formed in the surface of the cutter disc body 100 on the same side as the connecting plate 111 at equal angles with respect to the axis of the cutter disc body 100;
the shield machine body 200 comprises an outer cylinder 209, the end surface of the outer cylinder 209 close to the cutter head body 100 is an outer circular plate 203, an inner circular plate 201 parallel to the outer circular plate 203 is fixed inside the outer cylinder 209 close to the outer circular plate 203, a driver cabin 202 is fixed at the circle center position of the outer circular plate 203 and the inner circular plate 201, a power unit is fixed inside the driver cabin 202, the power unit is in transmission connection with a driving disc 2021 movably connected at the circle center position of the outer circular plate 203, and the driving disc 2021 is connected with a connecting plate 111 through bolts;
the end face of the outer circular plate 203, which is positioned at the upper part of the driver cabin 202, is provided with a fan-shaped hole 2032, the inside of the fan-shaped hole 2032 is provided with a second fan-shaped casing 206, the outer wall of the second fan-shaped casing 206 is slidably sleeved with the first fan-shaped casing 205, the surface of the first fan-shaped casing 205, which is far away from the outer circular plate 203, is fixed with an outer sealing cover plate 2053, the surface of the outer sealing cover plate 2053 is fixed with a squeezing plate 2052, the end face of the outer circular plate 203, which is positioned at the center of two side edges of the fan-shaped hole 2032, is provided with a hydraulic telescopic cylinder 2031, the inside of the hydraulic telescopic cylinder 2031 is fixed with a hydraulic telescopic cylinder 204, the position of the side wall of the outer sealing cover plate 2053, which corresponds to the hydraulic telescopic cylinder 204, is connected with a connecting lug 2051 fixed with the end of the telescopic rod of the hydraulic, a circular door opening is formed in the center of the sector plate 207, and a sealing door 2071 is rotatably connected to the side edge of the circular door opening through a hinge.
The dregs hole 105 is fan-shaped, and the center of the fan-shaped circle coincides with the center of the circle of the end face of the cutter head body 100, so that the dregs hole 105 can uniformly collect the dregs scraped through the cutter head body 100, the axis of the hob 104 is perpendicular to the axis of the cutter head body 100, and the cutting edge of the hob 104 is always perpendicular to the axis of the cutter head body 100 in the rotating process of the cutter head body 100 of the shield machine, and the cutting effect is good.
The profile of extrusion board 2052 is fan-shaped, wherein, the width on the big arc limit of extrusion board 2052 corresponds the same with the groove width and the excircle diameter of excircle groove 110 respectively with excircle diameter, the width on the little arc limit of extrusion board 2052 corresponds the same with the groove width and the excircle diameter of interior circular slot 107 respectively, contained angle between the both sides limit of extrusion board 2052 is the same with adjacent contained angle between the side edge in separating disconnected groove 109, extrusion board 2052 is through with excircle groove 110 like this, interior circular slot 107 and the joint of separating groove 109, realize that first fan-shaped casing 205 and second fan-shaped casing 206 constitute the sealed of storehouse body.
The outer contour of the first fan-shaped housing 205 is the same as the inner contour of the fan-shaped hole 2032, an inner sealing cover plate is fixed on the end face of the second fan-shaped housing 206 close to the inner partition 201, the outer contour of the inner sealing cover plate is larger than the inner contour of the fan-shaped hole 2032, after the second fan-shaped housing 206 is stretched outwards by arranging the inner sealing cover plate, the sealing performance between the second fan-shaped housing 206 and the fan-shaped hole 2032 is improved, the outer contour of the outer sealing cover plate 2053 is larger than the inner contour formed by connecting the fan-shaped hole 2032 and the hydraulic cylinder fixing groove 2031, the sealing performance between the first fan-shaped housing 205 and the outer circular plate 203 in the storage state is enhanced by the outer sealing cover plate 2053, a rubber pad is fixed on the surface of the outer sealing cover plate 2053 and the inner sealing cover plate opposite to the circular plate 203, rubber sleeves are sleeved on the inner wall of the first fan-shaped housing 205 close to the second fan-, The sealing properties of the respective joints of the second sector housing 206, the outer sealing cover 2053 and the inner sealing cover.
The first sector-shaped shell 205 and the second sector-shaped shell 206 are both sector-shaped shell structures with sector surfaces at two ends communicated.
A plurality of chutes have evenly been seted up to the lateral wall of second fan-shaped casing 206, wherein, the chute does not extend to second fan-shaped casing 206 both ends face department, and the welding of the tip inner wall that first fan-shaped casing 205 is close to second fan-shaped casing 206 corresponds the spout position department has with the gliding slider of chute, and when first fan-shaped casing 205 passes through hydraulic telescoping cylinder 204 external transmission like this, can drive second fan-shaped casing 206 together outwards to remove through the extrusion of slider and spout one end, realizes the purpose of tensile second fan-shaped casing 206.
The working principle is as follows: when the shield machine is abraded by a scraper 101 or a hob 104 fixed on the cutting surface of the cutter head body 100 due to soil cutting, an operator controls the surface of the shield machine and the soil cut by the shield machine to be in an extrusion state, then high-pressure gas is injected into an area between the cutter head body 100 and the shield machine body 200 through gas supply equipment, the cutting part is supported through the high-pressure gas, water burst or collapse at the cutting surface is avoided, and meanwhile, a partition groove 109 formed in the back surface of the cutter head body 100 is adjusted to be aligned with the side edge of an extrusion plate 2052;
the operator then controls the hydraulic telescopic cylinder 204 inside the shield body 200 to extend outwards, during the extension of the hydraulic telescoping cylinder 204, the end of the hydraulic telescoping cylinder 204 drives the outer sealing cover 2053, the corresponding first sector housing 205 moves outward, when the sliding block of the first sector-shaped housing 205 abuts against the end of the sliding slot of the second sector-shaped housing 206, the second sector-shaped shell 206 can be driven to move outwards together until the extrusion plate 2052 is clamped with the inner circular groove 107, the outer circular groove 110 and the partition groove 109, the hydraulic stretching cylinder 204 stops stretching, and then the sealing door 2071 is opened, so that the high pressure gas is discharged outside through the sealing door 2071, so that the air pressure inside the first and second fan-shaped housings 205 and 206 is balanced with the external air pressure, then, an operator enters the inner part of a cabin body formed by the first fan-shaped shell 205 and the second fan-shaped shell 206 and replaces the scraper 101 or the hob 104 of the shield machine correspondingly;
after the replacement is finished, the operator withdraws and closes the sealing door 2071, the hydraulic telescopic cylinder 204 is controlled to contract, so that the extrusion plate 2052 is not clamped with the inner circular groove 107, the outer circular groove 110 and the partition groove 109, the driving unit is controlled to drive the cutter head body 100 to rotate until the partition groove 109 at the adjacent position of the back of the cutter head body 100 can be aligned with the side edge of the extrusion plate 2052, then appropriate high-pressure gas is injected into the area between the cutter head body 100 and the shield machine body 200, and then the sealing door 2071 is opened to replace a new round of the scraper 101 or the hob 104;
when the hob 104 at the center of the cutter head 100 needs to be replaced, the hydraulic telescopic cylinder 204 is controlled to drive the first fan-shaped housing 205 and the second fan-shaped housing 206 to contract, and an operator enters the area between the cutter head 100 and the shield machine body 200 through the sealing door 2071, so as to replace the hob 104 in the middle area of the shield machine body 200 in a high-pressure environment.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention and not to limit it; although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art will understand that: modifications to the specific embodiments of the invention or equivalent substitutions for parts of the technical features may be made; without departing from the spirit of the present invention, it is intended to cover all aspects of the invention as defined by the appended claims.
Claims (6)
1. The utility model provides a shield constructs machine with telescopic ordinary pressure trades sword storehouse, constructs cutter head (100) that organism (200) and the transmission of the end of advancing is connected including the shield, its characterized in that: the cutter head body (100) is of a flat cylindrical structure, five slag holes (105) are formed in the end face of the cutter head body (100) at equal angles, a cutter clamping plate (106) is arranged between adjacent slag holes (105) on the end face of the cutter head body (100), the circle center position of the back face of the cutter head body (100) is connected with a connecting plate (111) through a plurality of connecting columns (108) which are connected at equal angles relative to the axis of the cutter head body (100), cutter grooves (103) are uniformly formed in the positions of the cutter head body (100) corresponding to the connecting plate (111) and the cutter clamping plate (106), hobbing cutters (104) extending to the outer part of the surface of the cutter head body (100) departing from the connecting plate (111) are fixed inside the cutter grooves (103), cutter scraping grooves (102) are uniformly formed in the surfaces of the cutter head body (100) which are close to the adjacent slag holes (105) and depart from the connecting plate (111), a scraper (101) is fixed inside the scraper groove (102), an inner circular groove (107) is formed in the surface of the cutter disc body (100) on the same side as the connecting plate (111), an outer circular groove (110) is formed in the side wall, close to the cutter disc body (100), of the surface of the cutter disc body (100) on the same side as the connecting plate (111), and five partition grooves (109) which are connected with the inner circular groove (107) and the outer circular groove (110) are formed in the surface of the cutter disc body (100) on the same side as the connecting plate (111) at equal angles relative to the axis of the cutter disc body (100);
the shield machine body (200) comprises an outer cylinder (209), the end face, close to the cutter head body (100), of the outer cylinder (209) is an outer circular plate (203), an inner partition plate (201) parallel to the outer circular plate (203) is fixed close to the outer circular plate (203) inside the outer cylinder (209), a driver bin (202) is fixed at the circle center positions of the outer circular plate (203) and the inner partition plate (201), a power unit is fixed inside the driver bin (202), the power unit is in transmission connection with a driving disc (2021) movably connected at the circle center position of the outer circular plate (203), and the driving disc (2021) is connected with a connecting plate (111) through bolts;
the end face of the outer circular plate (203) on the upper part of the driver cabin (202) is provided with a fan-shaped hole (2032), the inside of the fan-shaped hole (2032) is provided with a second fan-shaped shell (206), the outer wall of the second fan-shaped shell (206) is sleeved with a first fan-shaped shell (205) in a sliding manner, the surface of the first fan-shaped shell (205) far away from the outer circular plate (203) is fixed with an outer sealing cover plate (2053), the surface of the outer sealing cover plate (2053) is fixed with a squeezing plate (2052), the end face of the outer circular plate (203) is positioned at the center positions of two side edges of the fan-shaped hole (2032) and is provided with a hydraulic cylinder fixing groove (2031), the inside of the hydraulic cylinder fixing groove (2031) is fixed with a hydraulic telescopic cylinder (204), and the position of the side wall of the outer sealing cover plate (2053) corresponding to the hydraulic telescopic cylinder (204) is, the inner partition plate (201) is connected with a fan-shaped plate (207) in sliding connection with the inner wall of the second fan-shaped shell (206) through four connecting rods (208) which are uniformly distributed at the position corresponding to the fan-shaped hole (2032), a circular door opening is formed in the center of the fan-shaped plate (207), and the side edge of the circular door opening is rotatably connected with a sealing door (2071) through a hinge.
2. The shield machine with the telescopic normal-pressure cutter replacing cabin according to claim 1 is characterized in that: the slag hole (105) is fan-shaped, and the circle center of the fan-shaped hole is overlapped with the circle center of the end face of the cutter head body (100).
3. The shield machine with the telescopic normal-pressure cutter replacing cabin according to claim 1 is characterized in that: the axis of the hob (104) is vertical to the axis of the cutter head body (100).
4. The shield tunneling machine with the telescopic normal-pressure cutter changing bin is characterized in that the profile of the extrusion plate (2052) is in a fan shape, wherein the width and the excircle diameter of a large arc-shaped edge of the extrusion plate (2052) are respectively corresponding to the width and the excircle diameter of an excircle groove (110) and are the same as those of a small arc-shaped edge of the extrusion plate (2052), respectively corresponding to the width and the excircle diameter of an inner circle groove (107) and are the same as those of a small arc-shaped edge of the extrusion plate (2052), and an included angle between two side edges of the extrusion plate (2052) is the same as an included angle between inner side edges of adjacent breaking grooves (109).
5. The shield machine with the telescopic normal-pressure cutter replacing cabin according to claim 1 is characterized in that: the outer contour of the first sector shell (205) is the same as the inner contour of a sector hole (2032), an inner sealing cover plate is fixed on the end face, close to the inner partition plate (201), of the second sector shell (206), the outer contour of the inner sealing cover plate is larger than the inner contour of the sector hole (2032), and the outer contour of the outer sealing cover plate (2053) is larger than the inner contour formed by connecting the sector hole (2032) and a hydraulic cylinder fixing groove (2031).
6. The shield machine with the telescopic normal-pressure cutter replacing cabin according to claim 5, is characterized in that: rubber pads are fixedly adhered to the surfaces of the outer sealing cover plate (2053) and the inner sealing cover plate, which are opposite to the outer circular plate (203), and rubber sleeves are sleeved on the inner wall of the first fan-shaped shell (205), which is close to the second fan-shaped shell (206), and the outer wall of the fan-shaped plate (207).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911238720.0A CN110821506B (en) | 2019-12-06 | 2019-12-06 | Shield constructs machine with telescopic ordinary pressure trades sword storehouse |
| PCT/CN2020/123220 WO2021109749A1 (en) | 2019-12-06 | 2020-10-23 | Shielding machine having telescopic normal-pressure tool changing compartment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911238720.0A CN110821506B (en) | 2019-12-06 | 2019-12-06 | Shield constructs machine with telescopic ordinary pressure trades sword storehouse |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110821506A CN110821506A (en) | 2020-02-21 |
| CN110821506B true CN110821506B (en) | 2020-11-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911238720.0A Active CN110821506B (en) | 2019-12-06 | 2019-12-06 | Shield constructs machine with telescopic ordinary pressure trades sword storehouse |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN110821506B (en) |
| WO (1) | WO2021109749A1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110821506B (en) * | 2019-12-06 | 2020-11-24 | 中铁隧道局集团有限公司 | Shield constructs machine with telescopic ordinary pressure trades sword storehouse |
| CN113464152B (en) * | 2021-07-14 | 2022-03-22 | 中铁工程装备集团有限公司 | Normal pressure tool changing shield machine based on telescopic mannequin |
| CN113446018B (en) * | 2021-07-30 | 2023-12-05 | 中铁十五局集团有限公司 | Foldable gap-variable cutterhead of slurry shield machine and slurry shield machine |
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| Publication number | Publication date |
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| CN110821506A (en) | 2020-02-21 |
| WO2021109749A1 (en) | 2021-06-10 |
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Inventor after: Zhang Bing Inventor after: Zhou Jianjun Inventor after: Chu Changhai Inventor after: Zhang Hepei Inventor after: Luo Qiong Inventor after: Guo Weishe Inventor after: Han Weifeng Inventor after: Wang Yawen Inventor after: Zhou Zhenjian Inventor after: Li Hongbo Inventor after: Qin Yinping Inventor after: Xu Huaguo Inventor before: Zhang Bing Inventor before: Zhang Hepei Inventor before: Han Weifeng Inventor before: Wang Yawen Inventor before: Zhou Zhenjian Inventor before: Li Hongbo Inventor before: Qin Yinping Inventor before: Xu Huaguo Inventor before: Zhou Jianjun Inventor before: Chu Changhai |