CN206694032U - A kind of sealing and connecting device, shield machine shield body and the shield machine of middle shield and tail shield - Google Patents
A kind of sealing and connecting device, shield machine shield body and the shield machine of middle shield and tail shield Download PDFInfo
- Publication number
- CN206694032U CN206694032U CN201720282059.3U CN201720282059U CN206694032U CN 206694032 U CN206694032 U CN 206694032U CN 201720282059 U CN201720282059 U CN 201720282059U CN 206694032 U CN206694032 U CN 206694032U
- Authority
- CN
- China
- Prior art keywords
- shield
- tail
- sealing
- connecting device
- tail shield
- 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.)
- Withdrawn - After Issue
Links
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The utility model belongs to the technical field of tunneling equipment, specifically discloses a kind of sealing and connecting device of middle shield and tail shield, while the invention also discloses the shield machine shield body using the sealing and connecting device and the shield machine using the shield machine shield body.The sealing and connecting device of middle shield and tail shield of the present utility model includes being connected between middle shield and tail shield, and the bindiny mechanism for allowing the middle shield to be turned left and right relative to the tail shield, and be correspondingly arranged on middle shield or tail shield and seal the sealing mechanism coordinated with bindiny mechanism.When sealing and connecting device of the present utility model can either ensure that shield body is turned in tunnel, middle shield and tail shield is relatively rotated to adapt to radius of turn, while can also keep the outside seal isolation inside shield body with shield body, it is therefore prevented that mud pours in down a chimney the inside into shield body.
Description
Technical field
The utility model belongs to the technical field of tunneling equipment, and in particular to a kind of sealed connection of middle shield and tail shield
Device, while the utility model further relates to shield machine shield body and shield machine.
Background technology
Shield machine, because the soil layer soil condition being cut is more complicated, makes each portion of housing during practice of construction
The soil pressure point being subject to is inconsistent, cause shield machine direction of advance can and the center line of script Tunnel Design produce deviation, when
When this deviation occurs, shield machine needs to carry out pose adjustment, to reduce so that eliminating this deviation, therefore shield machine should have
Flexibly turn, the ability of dynamic adjustment direction of advance.
The structural representation of shield machine as shown in Figure 1, existing shield machine include cutterhead 1, shield body 10 and rear supporting 11 etc.
Structure.Wherein, as depicted in figs. 1 and 2, the shield body 10 of shield machine, including anterior shield 2, middle shield 3, tail shield 4, the front end of tail shield 4 are arranged
Inside the rear end of middle shield 3, the junction that is arranged of middle shield 3 and tail shield 4 is provided be hinged seal 5.When shield machine is in tunnel
Straightway in advance during, middle shield 3 and tail shield 4 can stop shield body by the be hinged seal 5 set between them
Outside mud enters inside shield body, effectively prevent pouring in down a chimney for mud.But when shield machine is in tunnel of the radius of turn less than 250 meters
During road is advanced, turning situation as shown in Figure 3 occurs to adjust the posture of itself to adapt to this turning in shield machine,
But the shield body of the shield machine in prior art, very big gap occurs between middle shield 3 and tail shield 4, such as Fig. 3 cloud line place
The gap shown, the sealing effectiveness failure of seal 5 is at this moment hinged, mud can be caused to pour in down a chimney the inside into shield body.
Utility model content
The utility model mainly solving the technical problems that provide it is a kind of can be applied to small curve radius turn shield
With the sealing and connecting device of tail shield, shield machine is efficiently solved when radius of turn is less than 250 meters of tunnel traveling, causes shield body
Be hinged seal fails and there is the technical problem that mud pours in down a chimney.Meanwhile the utility model also provide it is a kind of using above-mentioned close
Seal the shield machine shield body and shield machine of attachment means.
In order to solve the above technical problems, the technical scheme that the sealing and connecting device of middle shield of the present utility model and tail shield uses
It is：Between middle shield and tail shield being arranged on including connection, and the connection for allowing the middle shield to be turned left and right relative to the tail shield
Mechanism, and be correspondingly arranged on the middle shield or the tail shield and seal the sealing mechanism coordinated with the bindiny mechanism.
It is further preferred that above-mentioned bindiny mechanism includes coaxially being fixedly installed on the front end of above-mentioned tail shield, and it is socketed in
The connector of middle shield terminus inner is stated, and is used for the limit of shield and tail shield inordinate rotation in limitation with what the connector block coordinated
Hyte part, the outer peripheral face of the connector are provided with the ball type of contact surface of projection, and the centre of sphere of the ball type of contact surface is located at the tail shield
Axis on, the sealing mechanism is arranged in this between inner peripheral surface of shield end and the ball type of contact surface.
It is further preferred that above-mentioned limit assembly includes being installed in the fixed mount in this on inner peripheral surface of shield end, Yi Jishe
Put the stop part coordinated on the connector with the fixed mount block.
In another embodiment of middle shield of the present utility model and the sealing and connecting device of tail shield, above-mentioned bindiny mechanism
It can also be arranged to, including coaxially be fixedly installed on the end of above-mentioned middle shield, and be socketed in the connection outside above-mentioned tail shield front end
Part, and with connector block cooperation for limiting shield and the limit assembly of the tail shield inordinate rotation, the connector in this
Inner peripheral surface be provided with projection ball type of contact surface, the central point of the ball type of contact surface is located on the axis of the middle shield, above-mentioned
Sealing mechanism is arranged between the outer peripheral face of the tail shield and the ball type of contact surface.
It is further preferred that above-mentioned limit assembly includes the fixed mount being installed on the inner peripheral surface of above-mentioned middle shield end, with
And it is arranged on the stop part coordinated with the fixed mount block on the inner peripheral surface of above-mentioned tail shield front end.
It is further preferred that above-mentioned stop part is arranged to bearing pin, above-mentioned fixed mount is by one end of riser and one end of transverse slat
It is composed of a fixed connection, the chute for extending along the shield body axis direction and inserting and move for the bearing pin is provided with the transverse slat.
It is further preferred that above-mentioned riser and above-mentioned transverse slat are detachably fixed connection.
It is further preferred that above-mentioned sealing mechanism is formed by finger-type sealing brush combination settings, the finger-type sealing brush with it is above-mentioned
The ball type of contact surface of connector forms contact seal.
The technical scheme that shield machine shield body of the present utility model uses is：The shield machine shield body includes middle shield and tail shield, should
The sealing and connecting device described by above-mentioned any one is provided between middle shield and tail shield.
The technical scheme that shield machine of the present utility model uses is：The shield machine includes above-mentioned described shield machine shield
Body.
The beneficial effect of the sealing and connecting device of middle shield and tail shield of the present utility model is：Sealed connection of the present utility model
When bindiny mechanism in device can ensure that shield machine is carried out in the tunnel for having radius of turn, middle shield and tail shield can relatively rotate
To adapt to radius of turn, at the same the sealing mechanism in sealing and connecting device can keep inside shield body and the outside sealing of shield body every
From, it is therefore prevented that mud pours in down a chimney the inside into shield body.
Further, the ball type of contact surface set on connector, and the center of ball type of contact surface or the centre of sphere are located at tail shield
Axis on, ensure that middle shield can rotate relative to tail shield, and in the presence of the sealing mechanism in the outside and shield body of shield body
Portion remains the state of seal isolation.In the presence of limit assembly, middle shield and tail shield is not in excessive turning, can
The curve for well adapting to tunnel is turned and adjusts posture, avoids the connection of the sealing between middle shield and tail shield because excessively turning
And there is the situation of seal failure, it is ensured that the sealing stability between middle shield and tail shield.
Further, above-mentioned fixed mount is fixedly connected using dismountable transverse slat with riser, can be turned according to shield machine
The transverse slat of curved chute of the radius selection provided with different length, with the relative turning of shield in guarantee and tail shield.
Brief description of the drawings
Fig. 1 is the structural representation of shield machine of the prior art；
Fig. 2 is enlarged drawing at the I of the shield body of Fig. 1 shield machine；
Fig. 3 is view of Fig. 2 shield body when turning；
Fig. 4 is the embodiment one of the sealing and connecting device of middle shield and tail shield provided by the utility model
Structural representation；
Fig. 5 is put at II in the embodiment one of the sealing and connecting device of Fig. 4 middle shield and tail shield
Big figure；
Fig. 6 is the fixed mount in the embodiment one of the sealing and connecting device of Fig. 5 middle shield and tail shield
Structural representation；
Fig. 7 is the top view of Fig. 6 fixed mount；
Fig. 8 is that the finger-type in the embodiment one of the sealing and connecting device of Fig. 5 middle shield and tail shield is close
Seal the structural representation of brush；
Fig. 9 is the limit in another embodiment of the sealing and connecting device of Fig. 5 middle shield and tail shield
The structural representation of hyte part；
Figure 10 is the embodiment of the sealing and connecting device of middle shield and tail shield provided by the utility model
Two structural representation.
Embodiment
In the description of specific embodiment of the present utility model, it is to be understood that term " " center ", " longitudinal direction ", " horizontal stroke
To ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", the instruction such as " outer " side
Position or position relationship are based on orientation shown in the drawings or position relationship, are for only for ease of description the utility model and simplification is retouched
State, rather than instruction or imply signified device or element there must be specific orientation, with specific azimuth configuration and operation,
Therefore it is not intended that to limitation of the present utility model.In addition, term " first ", " second " etc. are only used for describing purpose, without
It is understood that to indicate or implying relative importance or the implicit quantity for indicating indicated technical characteristic.Thus, define " the
One ", one or more this feature can be expressed or be implicitly included to the feature of " second " etc..Retouched of the present utility model
In stating, unless otherwise indicated, the implication of " multiple " refers to two or more.Term "and/or" used in this specification
Include the arbitrary and all combination of one or more related Listed Items.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in description of the present utility model
Dress ", " connected ", " connection " should be interpreted broadly.For example, it may be fixedly connected or be detachably connected, or integratedly
Connection；Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary,
It can be the connection of two element internals.For the ordinary skill in the art, on being understood by concrete condition
State concrete meaning of the term in the utility model.
For the ease of understanding the utility model, below in conjunction with the accompanying drawings and specific embodiment, the utility model is carried out more detailed
Thin explanation.Preferred embodiment of the present utility model is given in accompanying drawing.But the utility model can be with many different
Form is realized, however it is not limited to embodiment described by this specification.On the contrary, the purpose for providing these embodiments is made to this
The understanding of the disclosure of utility model more thorough and comprehensive.
The embodiment one of the sealing and connecting device of middle shield and tail shield of the present utility model
As shown in Fig. 4~8, the embodiment one of the sealing and connecting device of middle shield and tail shield provided by the utility model, sealing
Attachment means include being connected between middle shield 3 and tail shield 4, and the bindiny mechanism that shield 3 turns left and right relative to tail shield 4 in permission
8, the sealing mechanism 6 coordinated with bindiny mechanism 8 sealing is correspondingly arranged on middle shield 3.As shown in Figure 4 and Figure 5, further preferably
Ground, bindiny mechanism 8 includes coaxially being fixedly installed on the front end of tail shield 4, and is socketed in the connector 7 of the middle terminus inner of shield 3, and
With the cooperation of the block of connector 7 for shield 3 in limiting relative to the limit assembly 9 of the inordinate rotation of tail shield 4, the periphery of connector 7
Face projection is provided with ball type of contact surface, and the centre of sphere of ball type of contact surface is located on the axis of tail shield 4, and sealing mechanism 6 is fixedly installed on
On the inner peripheral surface of the middle end of shield 3, and seal and coordinate with ball type of contact surface.
The sealing and connecting device of the present embodiment with shield machine when carrying out tunneling, when running into the less turning tunnel of radius
Road section, the less turning tunnel construction sections of radius mentioned here refer to that the radius of turn of tunnel construction sections is less than 250 meters.Such as radius of turn
For 30000mm, now middle shield can turn left and right relative to tail shield together with the anterior shield of shield machine, to adjust the posture of shield body
The excavation of the turning tunnel construction sections is applicable, it is in a bending curvature that can now make between the middle shield 3 and tail shield 4 of the shield body of shield machine.
In the present embodiment, under the guiding for the ball type of contact surface that the outer surface of connector 7 is set, the inwall of middle shield 3 is around the spherical of connector 7
Contact surface rotates relative to tail shield 4, and the ball type of contact surface disclosure satisfy that the crooked radian rotated between middle shield 3 and tail shield 4, especially when
When running into the radius of turn of minor radius, it is steady with respect to tail shield 4 that the ball type of contact surface on connector 7 can be good at shield 3 in ensureing
Rotation bending.
Sealing mechanism 6 in the present embodiment is fixedly installed on the inner peripheral surface of the middle end of shield 3, makes sealing mechanism 6 in
Shield rotate, and sealing mechanism 6 all the time between the ball type of contact surface of connector 7 keep sealing coordinate, prevent mud pour in down a chimney into
Enter the inside of shield body, shield body is internally formed effective sealing space.And the centre of sphere of ball type of contact surface is located at the axis of tail shield
On, ensure that the ball type of contact surface on connector 7 is identical with the spacing of the inner peripheral surface of the middle end of shield 3, sealing mechanism 6 is connect with spherical
Sealing effectiveness between contacting surface is completely the same in the circumferential direction of the middle end of shield 3, in guarantee shield 3 with respect to tail shield 4 no matter to
It is left or when turning right, be in state in sealing contact between middle shield 3 and tail shield 4 all the time in the presence of sealing mechanism 6, guarantee
Shield body inside and outside remains seal isolation.
When middle shield 3 and tail shield 4 relatively rotate, under the position-limiting action of limit assembly 9 in the present embodiment, the middle phase of shield 3
Be not in excessive turning for tail shield 4, first, shield machine can be made to be tunneled according to predetermined radius of turn, avoid
There is deviation in shield machine direct of travel and projected route, and two are that of avoiding middle shield 3 causes sealing to be lost relative to the excessively turning of tail shield 4
The situation of effect occurs, it is ensured that the stability sealed between middle shield 3 and tail shield 4.
As shown in Figure 6 and Figure 7, it is further preferred that limit assembly 9 includes fixed mount 90, and it is arranged on connector 7
The stop part coordinated with the block of fixed mount 90.Stop part sets the bearing pin 93 for being radially installed in the front end of connector 7, fixed mount 90
Be connected the L-type structure body formed by one end of riser 91 and one end of transverse slat 92, and riser 91 is fixedly installed on the interior of the middle end of shield 3
On side face, the chute 94 that extension and supply and marketing axle 93 are inserted and moved along shield body axis direction, chute 94 are provided with transverse slat 92
Rear and front end in the axial direction is limit point.
When shield machine is turned along tunnel, bearing pin 93 can move in the chute 94 of transverse slat 92, and shield 3 can in guarantee
Turned relative to tail shield 4, when central shield 3 turns to default minimum radius of turn with respect to tail shield 4, the both ends of chute 94 can be with
Stop that bearing pin 93 excessively moves, realize the limit function that shield 3 is excessively turned relative to tail shield 4 in preventing.In addition, in shield machine
In practical work process, the middle shield 3 and tail shield 4 of shield body can produce it is relative circumferentially rotate, the bearing pin 93 in the present embodiment with it is sliding
Shield 3 circumferentially rotates with respect to tail shield 4 during the cooperation of groove 94 can also prevent, and plays a part of anti-torsion.
It is further preferred that connected by the way that screw 95 is removably fixed between one end of riser 91 and one end of transverse slat 92
Connect, therefore can be according to the different transverse slats 92 for choosing the chute 94 provided with different length of radius of turn in tunnel, with shield in guarantee 3
With the radian of the relative rotation of tail shield 4, shield machine is set to be tunneled according to predetermined radius of turn.
In other embodiments, above-mentioned sealing and connecting device can also be arranged to be connected between middle shield 3 and tail shield 4
Joint ball bearing, joint ball bearing by an inner ring with spherical outside surface and one with Internal Spherical Surface outer ring suit form,
The inside and outside circle both sides are provided with sealing ring, and inner ring is fixedly connected on the end of middle shield 3 or the front end of tail shield 4, and outer ring is corresponding
The front end for being fixedly connected on tail shield 4 or middle shield 3 end, inner ring and outer ring together constitute bindiny mechanism, and sealing ring is formed
Sealing mechanism.
As shown in figure 9, in other embodiments, above-mentioned limit assembly 9 can also use following structure, in connector
The axially arranged radian identical dove-tail form stopper slot 101 having with the ball type of contact surface on 7 ball type of contact surface, dove-tail form limit
The rear and front end of position groove 101 in the axial direction is limit point, and the end of middle shield 3, which is provided with, to be extend into the dove-tail form stopper slot
Dove-tail form spacer pin 102, when middle shield 3 rotates relative to tail shield 4, the dove-tail form spacer pin 102 can be spacing with dove-tail form
The guiding movement of groove 101, and the dove-tail form spacer pin 102 can carry out spacing, same energy at the both ends of dove-tail form stopper slot 101
Enough play the function of preventing function of the middle shield 3 with respect to the inordinate rotation of tail shield 4 and prevent middle shield 3 from being circumferentially rotated relative to tail shield 4.
As shown in figure 8, it is further preferred that sealing mechanism 6 is formed by the combination settings of finger-type sealing brush 12, in the present embodiment
In, the finger-type sealing brush 12 that sealing mechanism 6 is circumferentially arranged by two rows combines.Certainly can also sealing mechanism 6 as needed
It is arranged to be combined by two or more finger-type sealing brush.Between the ball type of contact surface of finger-type sealing brush 12 and connector 7
Contact seal is formed, because finger-type sealing brush 12 itself has compressible elasticity, therefore in middle shield 3 relative to 4 turns of tail shield
When dynamic, finger-type sealing brush 12 can keep in sealing contact in real time with the ball type of contact surface on connector 7, further ensure
The stability of sealing effectiveness.
The embodiment two of the sealing and connecting device of middle shield and tail shield of the present utility model
As shown in Figure 10, the present embodiment and the difference of embodiment one are, the position that connector 7 is set is different, and finger-type is close
The position that envelope brush 12 is set is different, and the position that the bearing pin 93 in limit assembly 9 is set is different.Connector in the present embodiment
7 are fixedly disposed at the end of middle shield 3, and connector 7 is coaxially set on the outer peripheral face of the front end of tail shield 4, on connector 7
Ball type of contact surface be provided on the inner peripheral surface of the connector 7, the midpoint of the ball type of contact surface is located on the axis of middle shield.Refer to
Type sealing brush 12 is fixedly installed on the outer peripheral face of the front end of tail shield 4, and is sealed and coordinated with ball type of contact surface.The pin of limit assembly 9
Axle 93 is fixedly installed on the inner peripheral surface of the front end of tail shield 4.
It is further preferred that the concave ball shape face concentric with ball type of contact surface is provided with the outer peripheral face of the front end of tail shield 4.So
Setting further ensures middle shield 3 and can smoothly rotated relative to tail shield 4.
It is further preferred that the sealing mechanism in the present embodiment is different from the sealing mechanism structure in embodiment one, at this
In embodiment, the finger-type sealing brush 12 that sealing mechanism 6 is circumferentially arranged by four rows combines, and two before four row's finger-type sealing brush
Row is divided into one group, and rear two row is divided into one group, and the finger-type sealing brush of preceding two row is arranged on the front end of the concave ball surfaces of tail shield 4, and rear two
The finger-type sealing brush of row is arranged on the rear end of the concave ball surfaces of tail shield 4.It is further ensured that the stability of sealing.
The utility model additionally provides the embodiment of shield machine shield body：The shield machine shield body includes middle shield and tail shield, in this
Described in the embodiment one or embodiment two that the sealing and connecting device of above-mentioned middle shield and tail shield is provided between shield and tail shield
Sealing and connecting device.
The utility model additionally provides the embodiment of shield machine, including cutterhead, the shield body for being connected to the cutterhead rear, the shield
The structure of shield machine shield body described in embodiment of the body using above-mentioned shield machine shield body provided by the utility model.
Embodiment of the present utility model is the foregoing is only, not thereby limits the scope of the claims of the present utility model, it is every
The equivalent structure transformation made using the utility model specification and accompanying drawing content, or directly or indirectly it is used in other correlations
Technical field, it is included in scope of patent protection of the present utility model.
Claims (10)
- A kind of 1. sealing and connecting device of middle shield and tail shield, it is characterised in that between being arranged on middle shield and tail shield including connection, And the bindiny mechanism for allowing the middle shield to be turned left and right relative to the tail shield, and it is correspondingly arranged at the middle shield or described On tail shield the sealing mechanism coordinated is sealed with the bindiny mechanism.
- 2. the sealing and connecting device of middle shield according to claim 1 and tail shield, it is characterised in that the bindiny mechanism includes Coaxially be fixedly installed on the front end of the tail shield, and socket is assemblied in the connector of the middle shield terminus inner, and with it is described What connector block coordinated is used to limit the middle shield and the limit assembly of the tail shield inordinate rotation, the periphery of the connector Face is provided with the ball type of contact surface of projection, and the centre of sphere of the ball type of contact surface is located on the axis of the tail shield, the sealer Structure is arranged between inner peripheral surface and the ball type of contact surface of the middle shield end.
- 3. the sealing and connecting device of middle shield according to claim 2 and tail shield, it is characterised in that the limit assembly includes The fixed mount being installed on the middle shield end inner peripheral surface, and be arranged on the connector and coordinate with the fixed mount block Stop part.
- 4. the sealing and connecting device of middle shield according to claim 1 and tail shield, it is characterised in that the bindiny mechanism includes Coaxially be fixedly installed on the end of the middle shield, and be socketed in the connector outside the tail shield front end, and with the connection What part block coordinated is used to limit the middle shield and the limit assembly of the tail shield inordinate rotation, and the inner peripheral surface of the connector is set The ball type of contact surface of projection is equipped with, the central point of the ball type of contact surface is located on the axis of the middle shield, the sealing mechanism It is arranged between outer peripheral face and the ball type of contact surface of the tail shield.
- 5. the sealing and connecting device of middle shield according to claim 4 and tail shield, it is characterised in that the limit assembly includes The fixed mount being installed on the inner peripheral surface of the middle shield end, and be arranged on the inner peripheral surface of the tail shield front end with it is described The stop part that fixed mount block coordinates.
- 6. the sealing and connecting device of middle shield and the tail shield according to claim 3 or 5, it is characterised in that the stop part is set Bearing pin is set to, the fixed mount is composed of a fixed connection by one end of riser and one end of transverse slat, is provided with the transverse slat along institute State the chute for extending on shield axis direction and inserting and move for the bearing pin.
- 7. the sealing and connecting device of middle shield according to claim 6 and tail shield, it is characterised in that the riser and the horizontal stroke Plate is detachably fixed connection.
- 8. the sealing and connecting device of middle shield according to claim 7 and tail shield, it is characterised in that the sealing mechanism is by referring to Type sealing brush combination settings form, and the finger-type sealing brush and the ball type of contact surface of the connector form contact seal.
- 9. a kind of shield machine shield body, including middle shield and tail shield, it is characterised in that set and have the right between the middle shield and the tail shield Profit requires the sealing and connecting device described in 1~8 any claim.
- 10. a kind of shield machine, it is characterised in that the shield machine includes the shield machine shield body described in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720282059.3U CN206694032U (en) | 2017-03-22 | 2017-03-22 | A kind of sealing and connecting device, shield machine shield body and the shield machine of middle shield and tail shield |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720282059.3U CN206694032U (en) | 2017-03-22 | 2017-03-22 | A kind of sealing and connecting device, shield machine shield body and the shield machine of middle shield and tail shield |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206694032U true CN206694032U (en) | 2017-12-01 |
Family
ID=60443802
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720282059.3U Withdrawn - After Issue CN206694032U (en) | 2017-03-22 | 2017-03-22 | A kind of sealing and connecting device, shield machine shield body and the shield machine of middle shield and tail shield |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206694032U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106801606A (en) * | 2017-03-22 | 2017-06-06 | 中铁工程装备集团有限公司 | The sealing and connecting device of a kind of middle shield and tail shield, shield machine shield body and shield machine |
-
2017
- 2017-03-22 CN CN201720282059.3U patent/CN206694032U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106801606A (en) * | 2017-03-22 | 2017-06-06 | 中铁工程装备集团有限公司 | The sealing and connecting device of a kind of middle shield and tail shield, shield machine shield body and shield machine |
| CN106801606B (en) * | 2017-03-22 | 2023-04-25 | 中铁工程装备集团有限公司 | Sealing connection device for middle shield and tail shield, shield machine shield body and shield machine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106801606A (en) | The sealing and connecting device of a kind of middle shield and tail shield, shield machine shield body and shield machine | |
| CN206694032U (en) | A kind of sealing and connecting device, shield machine shield body and the shield machine of middle shield and tail shield | |
| CN207989956U (en) | A kind of anticorrosion seal type flange | |
| WO2017071156A1 (en) | Socket-spigot pipeline interface having fastening structure | |
| CN205001706U (en) | Pipeline connects and aeroengine | |
| CN106869951A (en) | A kind of shield machine self-interacting type single cylinder supports boots structure | |
| CN107288643B (en) | Self-adaptive three-foot parallel TBM (Tunnel boring machine) support with three-foot parallel support legs | |
| CN109026116A (en) | A kind of coal mining is connected and fixed device with ventilation blower pipeline | |
| CN108328231B (en) | Floating type hinge device of screw conveyer | |
| CN203617485U (en) | Floating connector | |
| CN205882307U (en) | Auto -lock electrical connector that position is adjustable | |
| CN102607833A (en) | Ball pin durability test device | |
| CN207349624U (en) | One kind throttling inserting pipe joints | |
| CN106763136A (en) | One kind press-in assembly type vehicle suspension ball head | |
| CN204414099U (en) | A kind of mechanical arm | |
| CN109751055B (en) | TBM is with controlling means who prevents section of jurisdiction wrong platform and shield tail gesture | |
| CN105583805A (en) | Mechanical arm | |
| CN205744881U (en) | Swing arm bulb assembly and there is its vehicle | |
| CN204243702U (en) | A kind of sealing ring of protecting pipe | |
| CN212986189U (en) | Fixed ball valve structure | |
| CN208168882U (en) | A kind of split type centre revolving joint | |
| CN205189901U (en) | Mechanical hand of tube coupling installation | |
| CN202228899U (en) | Universal joint of sprocket shaft group lubricating system | |
| CN207124519U (en) | A kind of coal mine development machine motor bearings structure | |
| CN204943214U (en) | Lamp socket |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20171201 Effective date of abandoning: 20230425 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20171201 Effective date of abandoning: 20230425 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |