CN205805552U - A kind of square column type shield machine anterior shield lower half shield body - Google Patents
A kind of square column type shield machine anterior shield lower half shield body Download PDFInfo
- Publication number
- CN205805552U CN205805552U CN201620562131.3U CN201620562131U CN205805552U CN 205805552 U CN205805552 U CN 205805552U CN 201620562131 U CN201620562131 U CN 201620562131U CN 205805552 U CN205805552 U CN 205805552U
- Authority
- CN
- China
- Prior art keywords
- shield
- column type
- square column
- shell body
- lower half
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The utility model discloses a kind of square column type shield machine anterior shield lower half shield body, including: shell body, inner housing and dividing plate, described shell body is square column type, described shell body includes bottom enclosure and top connecting plate, described bottom enclosure left and right sides wall and the rounded transition of bottom sidewall, described bottom enclosure is provided with at least one spiral support, arranges conveying worm in described spiral support, and described conveying worm is provided with the PLC control system for controlling conveying worm transporting velocity.The square column type shield machine anterior shield lower half shield body that this utility model relates to, shell body is square column type, the tunnel of the varying cross-sections such as square cross section can be excavated, there is the conveying worm being provided with PLC control system, dregs transmission speed can be adjusted according to the situation of excavation, can be widely popularized in shielding tunnel excavator apparatus field.
Description
Technical field
This utility model relates to shielding tunnel excavator apparatus field, under specifically a kind of square column type shield machine anterior shield
Half shield body.
Background technology
Subway is being built in the present a lot of city of domestic subway, uses shield machine when building subway, is greatly improved dark
Dig effect, and in construction, do not block the traffic, noiselessness of constructing, do not affect the orthobiosis of resident.Existing shield machine is tied
Structure is not reasonable, it is impossible to enough excavating the tunnel of the varying cross-sections such as square cross section, shield machine insufficient strength is easily damaged inside
Equipment and easily cause injury to personnel, is not provided with rational conveyer in existing shield machine, it is impossible to enough according to the dregs excavated
Adjust transmission speed.Shield machine anterior shield is the vitals constituting shield machine, market is badly in need of one and can excavate square cross
Face and can according to excavate situation adjust dregs transmission speed shield machine anterior shield parts.
Summary of the invention
For overcoming the defect of prior art, the purpose of this utility model is to provide a kind of square column type shield machine anterior shield lower half
Shield body, it is achieved that constitute and excavate the tunnel of the varying cross-sections such as square cross section and dregs transmission can be adjusted according to the situation of excavation
The vitals of the shield machine of speed.
The technological means that this utility model uses is as follows: a kind of square column type shield machine anterior shield lower half shield body, including: shell
Body, inner housing and dividing plate, described shell body is square column type, and described shell body includes bottom enclosure and top connecting plate, the described end
The shell left and right sides, portion wall and the rounded transition of bottom sidewall, described bottom enclosure is provided with at least one spiral support, described
Arranging conveying worm in spiral support, described conveying worm one end penetrates spiral support, and the other end is fixed with strengthening shell
Connecting, described conveying worm is provided with the PLC control system for controlling conveying worm transporting velocity, described shell body one
Holding be connected fixing with panel, its other end is fixing with reinforcement shell to be connected, described reinforcement shell and bottom enclosure size shape phase
With and be shorter in length than shell body, described reinforcement shell is connected with shell body inside one end to fix with skirtboard II and is connected, described skirtboard
II is identical with bottom enclosure shape, is provided with skirtboard I between described dividing plate and skirtboard II, and described skirtboard I is fixed with shell body inwall
Connecting, the outward flange of described dividing plate is fixing with shell body inwall to be connected, and described dividing plate is provided with at least one bulkhead through-hole, described
Arranging inner housing in bulkhead through-hole, the left and right sides wall of described inner housing is curved surface, and its upper and lower two side is plane.
Further, also including some reinforcements I, described reinforcement I two ends are fixing with shell body and inner housing respectively to be connected
Connect.
Further, described reinforcement enclosure is cavity and is provided with some reinforcements II.
Further, described PLC control system includes being sequentially connected electrically rheostat, safety relay, PLC signal
Amplifier, PLC, conveying worm motor, speed probe, described safety relay respectively with flow transducer and turn
Speed sensor electrical connection.
Further, described PLC signal amplifier is ER9.3-10 type amplifier.
Further, described conveying worm penetrates skirtboard I and skirtboard II respectively.
This utility model has the beneficial effect that
Square column type shield machine anterior shield lower half shield body the most described in the utility model, shell body is square column type, it is possible to excavate square
The tunnel of the varying cross-sections such as cross section；
Square column type shield machine anterior shield lower half shield body the most described in the utility model, has the spiral transferring being provided with PLC control system
Send machine, it is possible to adjust dregs transmission speed according to the situation of excavation；
Square column type shield machine anterior shield lower half shield body the most described in the utility model, bulk strength is high, it is possible to ensure internal unit
Safety with staff.
Accompanying drawing explanation
This utility model accompanying drawing 6 width,
Fig. 1 is the front view of square column type shield machine anterior shield lower half shield body described in the utility model；
Fig. 2 is the A-A section view of square column type shield machine anterior shield lower half shield body described in this utility model embodiment 1 and embodiment 2
Figure；
Fig. 3 is the B-B sectional view of square column type shield machine anterior shield lower half shield body described in this utility model embodiment 1；
Fig. 4 is the C-C sectional view of square column type shield machine anterior shield lower half shield body described in this utility model embodiment 2；
Fig. 5 is the B-B sectional view of square column type shield machine anterior shield lower half shield body described in this utility model embodiment 2；
Fig. 6 is PLC control system structural representation described in this utility model embodiment 3.
Wherein, 1, shell body, 2, inner housing, 3, dividing plate, 4, panel, 5, strengthen shell, 6, skirtboard I, 7, skirtboard II, 11,
Bottom enclosure, 12, top connecting plate, 13, spiral support, 14, conveying worm, 16, skirtboard I, 17, skirtboard II, 18, reinforcement
I, 19, reinforcement II, 31, bulkhead through-hole, 100, PLC control system, 110, flow transducer, 120, safety relay, 121,
Rheostat, 130, PLC signal amplifier, 140, PLC, 150, conveying worm motor, 160, revolution speed sensing
Device.
Detailed description of the invention
With detailed description of the invention, this utility model is described in further detail below in conjunction with the accompanying drawings, following non-limiting
Embodiment can make those of ordinary skill in the art that this utility model is more fully understood, but limits this reality never in any form
With novel.
Embodiment 1
As shown in Figures 1 to 4, a kind of square column type shield machine anterior shield lower half shield body, including: shell body 1, inner housing 2 and dividing plate
3, described shell body 1 is square column type, and described shell body 1 includes bottom enclosure 11 and top connecting plate 12, described bottom enclosure 11
Left and right sides wall and the rounded transition of bottom sidewall, described bottom enclosure 11 is provided with at least one spiral support 13, described spiral shell
Arranging conveying worm 14 in rotation support 13, described conveying worm 14 one end penetrates spiral support 13, outside the other end is with reinforcement
Shell 5 is fixing to be connected, and described conveying worm 14 is provided with the PLC control system for controlling conveying worm 14 transporting velocity
100, described shell body 1 one end is fixing with panel 4 to be connected, and its other end is fixing with reinforcement shell 5 to be connected, described reinforcement shell 5
Identical with bottom enclosure 11 size shape and be shorter in length than shell body 1, described reinforcement shell 5 is connected inside one end with shell body 1
Fixing with skirtboard II 17 and be connected, described skirtboard II 17 is identical with bottom enclosure 11 shape, sets between described dividing plate 3 and skirtboard II 17
Having skirtboard I 16, described skirtboard I 16 is fixing with shell body 1 inwall to be connected, and the outward flange of described dividing plate 3 is fixed with shell body 1 inwall
Connecting, described dividing plate 3 is provided with at least one bulkhead through-hole 31, arranges inner housing 2, described inner housing in described bulkhead through-hole 31
The left and right sides wall of 2 is curved surface, and its upper and lower two side is plane.
Further, also including some reinforcements I 18, described reinforcement I 18 two ends are solid with shell body and inner housing respectively
Fixed connection.
Further, described reinforcement enclosure is cavity and is provided with some reinforcements II 19.
Some reinforcing rib structures can improve square column type shield machine anterior shield lower half shield body intensity described in the utility model so that
Shield body entirety is the most firm.
Preferably, described spiral support 13 is trapezoidal, arrange in it cylinder base through hole and support through hole centrage with
Shell body forms an angle.
Further, described conveying worm penetrates skirtboard I and skirtboard II respectively.
Embodiment 2
Square column type shield machine anterior shield lower half shield body as shown in Figure 5, difference from Example 1 is, on described panel 4
It is provided with three bulkhead through-holes 31, and an inner housing 2 is set in each bulkhead through-hole 31.
Preferably, middle inner housing about 2 respectively arranges two reinforcements I 18, and the inner housing about 2 of both sides respectively arranges one
Individual reinforcement I 18 and each outside respectively arrange a reinforcement I 18.
Three inner housings 2 can increase the free space in shield body, it is preferred that three inner housings 2 hang down relative to shell body 1
Straight centrage is symmetrical arranged, it is possible to make shield body whole machine balancing.
Embodiment 3
Square column type shield machine anterior shield lower half shield body as shown in Figure 6, difference from Example 1 is, described PLC controls
Rheostat 121 that system 100 includes being sequentially connected electrically, safety relay 120, PLC signal amplifier 130, PLC
140, conveying worm motor 150, speed probe 160, described safety relay 120 respectively with flow transducer 110 and turn
Speed sensor 160 electrically connects.
Further, described PLC signal amplifier 130 is ER9.3-10 type amplifier.
When conveying worm 14 runs, described rheostat 121 regulates safety relay 120 input voltage, described
In the conveying worm 14 that flow transducer 110 detects, flow signal and speed probe 160 feedback signal of dregs compare
Rear generation comparison signal, the transmission of described comparison signal forms control signal to safety relay 120, and described control signal is passed through
PLC signal amplifier 130 transmits to PLC 140 and drives and control conveying worm motor 150, thus realizes spiral
The closed loop regulation of conveyer motor 150 controls, and then control dregs flow realizes adjusting dregs transmission speed according to the situation of excavation.
Described square column type shield machine anterior shield lower half shield body is internal to be arranged by PLC system controlling function conveyer, it is possible to according to
The dregs amount excavated adjusts transmission speed in real time, prevents dregs from overstocking, improves work efficiency, and save the energy.
Owing to have employed technique scheme, the square column type shield machine anterior shield lower half shield body that this utility model relates to, shell
Body is square column type, it is possible to excavates the tunnel of the varying cross-sections such as square cross section, has the helical feed being provided with PLC control system
Machine, it is possible to adjust dregs transmission speed according to the situation of excavation, bulk strength is high, it is possible to ensure internal unit and the peace of staff
Entirely.This utility model can be widely popularized in shielding tunnel excavator apparatus field.
The above, only this utility model preferably detailed description of the invention, but protection domain of the present utility model is not
Being confined to this, any those familiar with the art is in the technical scope that this utility model discloses, according to this practicality
Novel technical scheme and inventive concept equivalent or change in addition thereof, all should contain protection domain of the present utility model it
In.
Claims (6)
1. a square column type shield machine anterior shield lower half shield body, it is characterised in that including:
Shell body, inner housing and dividing plate, described shell body is square column type,
Described shell body includes bottom enclosure and top connecting plate, and described bottom enclosure left and right sides wall is rounded with bottom sidewall
Transition,
Described bottom enclosure is provided with at least one spiral support, arranges conveying worm, described spiral in described spiral support
Conveyer one end penetrates spiral support, and the other end is fixing with reinforcement shell to be connected,
Described conveying worm is provided with the PLC control system for controlling conveying worm transporting velocity,
Described shell body one end is fixing with panel to be connected, and its other end is fixing with reinforcement shell to be connected, described reinforcement shell and the end
Portion's shell size shape is identical and is shorter in length than shell body,
Described reinforcement shell is connected fixing with skirtboard II inside one end connection, described skirtboard II and bottom enclosure shape with shell body
It is identical,
Being provided with skirtboard I between described dividing plate and skirtboard II, described skirtboard I is fixing with shell body inwall to be connected,
The outward flange of described dividing plate is fixing with shell body inwall to be connected, and described dividing plate is provided with at least one bulkhead through-hole, described
Inner housing is set in bulkhead through-hole,
The left and right sides wall of described inner housing is curved surface, and its upper and lower two side is plane.
Square column type shield machine anterior shield lower half shield body the most according to claim 1, it is characterised in that: also include some reinforcements
I, described reinforcement I two ends are fixing with shell body and inner housing respectively to be connected.
Square column type shield machine anterior shield lower half shield body the most according to claim 1, it is characterised in that: described reinforcement enclosure
For cavity and be provided with some reinforcements II.
Square column type shield machine anterior shield lower half shield body the most according to claim 1, it is characterised in that: described PLC control system
Including the rheostat being sequentially connected electrically, safety relay, PLC signal amplifier, PLC, conveying worm motor,
Speed probe, described safety relay electrically connects with flow transducer and speed probe respectively.
Square column type shield machine anterior shield lower half shield body the most according to claim 4, it is characterised in that: described PLC signal amplifies
Device is ER9.3-10 type amplifier.
Square column type shield machine anterior shield lower half shield body the most according to claim 1, it is characterised in that: described conveying worm divides
Do not penetrate skirtboard I and skirtboard II.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620562131.3U CN205805552U (en) | 2016-06-08 | 2016-06-08 | A kind of square column type shield machine anterior shield lower half shield body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620562131.3U CN205805552U (en) | 2016-06-08 | 2016-06-08 | A kind of square column type shield machine anterior shield lower half shield body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205805552U true CN205805552U (en) | 2016-12-14 |
Family
ID=58141711
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620562131.3U Expired - Fee Related CN205805552U (en) | 2016-06-08 | 2016-06-08 | A kind of square column type shield machine anterior shield lower half shield body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205805552U (en) |
-
2016
- 2016-06-08 CN CN201620562131.3U patent/CN205805552U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161214 Termination date: 20210608 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |