CN204212779U - For tail sealing brush and the shield machine of the monitoring shield tail grease cavity pressure of shield machine - Google Patents

For tail sealing brush and the shield machine of the monitoring shield tail grease cavity pressure of shield machine Download PDF

Info

Publication number
CN204212779U
CN204212779U CN201420587497.7U CN201420587497U CN204212779U CN 204212779 U CN204212779 U CN 204212779U CN 201420587497 U CN201420587497 U CN 201420587497U CN 204212779 U CN204212779 U CN 204212779U
Authority
CN
China
Prior art keywords
tail
shield
pressure sensor
sealing brush
shield machine
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Withdrawn - After Issue
Application number
CN201420587497.7U
Other languages
Chinese (zh)
Inventor
严振林
孙世豪
张立青
章远方
王浩
周衍领
耿冬梅
姚坤锋
纪博林
万鹏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Railway No5 Institute Engineering Machinery Co Ltd
China Railway Fifth Survey and Design Institute Group Co Ltd
Original Assignee
Beijing Railway No5 Institute Engineering Machinery Co Ltd
China Railway Fifth Survey and Design Institute Group Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Beijing Railway No5 Institute Engineering Machinery Co Ltd, China Railway Fifth Survey and Design Institute Group Co Ltd filed Critical Beijing Railway No5 Institute Engineering Machinery Co Ltd
Priority to CN201420587497.7U priority Critical patent/CN204212779U/en
Application granted granted Critical
Publication of CN204212779U publication Critical patent/CN204212779U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model is provided for tail sealing brush and the shield machine of the monitoring shield tail grease cavity pressure of shield machine.Tail sealing brush of the present utility model comprises base plate (1), protection latch plate (2), holddown spring plate (3), rust steel mesh sheet (4), stainless steel corrugation (5), fixed pin shaft (6), the feature of described tail sealing brush is, also comprise: be arranged on the pressure sensor mounting groove (9) in the space that base plate (1) surrounds, pressure sensor (7) and wireless signal transmitter (10) are installed in it; Wherein, pressure sensor (7) comprises probe, this probe stretches out space that base plate (1) surrounds to monitor shield tail grease cavity pressure, and it is outside that the signal of the shield tail grease cavity pressure that pressure sensor (7) monitors by wireless signal transmitter (10) is sent to tail sealing brush.Tail sealing brush of the present utility model has pressure sensor, can the pressure in Real-Time Monitoring shield tail grease chamber, increases the security reliability of shield machine construction.

Description

For tail sealing brush and the shield machine of the monitoring shield tail grease cavity pressure of shield machine
Technical field
The utility model relates to tail sealing brush and the shield machine of shield machine, particularly relates to the tail sealing brush for the monitoring shield tail grease cavity pressure of shield machine and the shield machine using this tail sealing brush.
Background technology
The water that the tail sealing system of shield machine is mainly used to prevent shield external and mud enter shield machine inside, are generally made up of 3 road tail sealing brushes and the tail seal grease of shield be filled between tail sealing brush.3 road tail sealing scopiforms become 2 shield tail grease chambeies, road, grease inlet is evenly equipped with along shield tail grease chamber circumferencial direction, while shield machine driving, tail seal grease of shield is injected grease chamber, thus make tail seal grease of shield form tail sealing system together with tail sealing brush.If tail seal grease of shield injects not enough, or tail seal grease of shield is bad in the grease chamber internal mobility of sealing brush composition, then tail seal grease of shield cannot fill grease chamber completely densely, shield tail grease cavity pressure will be caused not enough, bring the risk that tail sealing lost efficacy.
In current shield machine shield tail sealing system, the ascending pipe of tail seal grease of shield is equipped with pressure sensor, this pressure sensor can demonstrate the pressure of ascending pipe inside, from then on shield machine operating personnel cannot obtain the true pressure in tail seal grease of shield chamber by pressure, especially the pressure away from inlet place in grease chamber cannot be judged, operating personnel also cannot control the grease-filled compactness in grease chamber in time thus, can bring certain security risk to shield machine construction.
Utility model content
In order to solve the above prior-art problems, the utility model is provided for the tail sealing brush of the monitoring shield tail grease cavity pressure of shield machine, this tail sealing brush has pressure sensor, can the pressure in Real-Time Monitoring shield tail grease chamber, increase the security reliability of shield machine construction, in addition, the utility model also provides the shield machine using this tail sealing brush.
According to first aspect of the present utility model; a kind of tail sealing brush of the monitoring shield tail grease cavity pressure for shield machine is provided; it comprises base plate 1, protection latch plate 2, holddown spring plate 3, stainless steel mesh sheet 4, stainless steel corrugation 5, fixed pin shaft 6; the feature of described tail sealing brush is, also comprises:
Be arranged on the pressure sensor mounting groove 9 in the space that base plate 1 surrounds, pressure sensor 7 and wireless signal transmitter 10 are installed in it;
Wherein, pressure sensor 7 comprises probe, and this probe stretches out space that base plate 1 surrounds to monitor shield tail grease cavity pressure, and it is outside that the signal of the shield tail grease cavity pressure that pressure sensor 7 monitors by wireless signal transmitter 10 is sent to tail sealing brush.
According to the tail sealing brush of the monitoring shield tail grease cavity pressure for shield machine of second aspect of the present utility model, it is characterized in that, described tail sealing brush also comprises the gland 8 be fixed on base plate 1, and gland 8 is for the protection of the pressure sensor 7 be arranged in pressure sensor mounting groove 9 and wireless signal transmitter 10; Wherein, gland 8 is provided with probe hole, the probe of pressure sensor 7 stretches out the probe hole of gland 8 to monitor shield tail grease cavity pressure.
According to the tail sealing brush of the monitoring shield tail grease cavity pressure for shield machine of the third aspect of the present utility model, it is characterized in that, gland 8 is provided with retainer ring 18 towards the side of pressure sensor mounting groove 9, and pressure sensor 7 is fixed by retainer ring 18.
According to the tail sealing brush of the monitoring shield tail grease cavity pressure for shield machine of fourth aspect of the present utility model, it is characterized in that, between pressure sensor 7 and retainer ring 18, be provided with sealing shroud 12.
According to the tail sealing brush of the monitoring shield tail grease cavity pressure for shield machine of the 5th aspect of the present utility model, it is characterized in that, between gland 8 and base plate 1, be provided with sealing mat 11, for sealing load sensor mounting groove 9.
According to the tail sealing brush of the monitoring shield tail grease cavity pressure for shield machine of the 6th aspect of the present utility model, it is characterized in that, base plate 1 is the U-board of opening towards horizontal direction, and the superposed flat board of base plate 1 is upper plate, the flat board being positioned at bottom of base plate 1 is lower plate, the upper plate of base plate 1 offers pressure sensor mounting groove installing hole, the upper end of pressure sensor mounting groove 9 is arranged in pressure sensor mounting groove installing hole, and the lower end of pressure sensor mounting groove 9 is fixed on the upper surface of the lower plate of base plate 1, wherein, gland 8 overburden pressure sensor mounting groove installing hole.
According to the tail sealing brush of the monitoring shield tail grease cavity pressure for shield machine of the 7th aspect of the present utility model, it is characterized in that, pressure sensor 7 is connected by data line with wireless signal transmitter 10.
According to the tail sealing brush of the monitoring shield tail grease cavity pressure for shield machine of eighth aspect of the present utility model, it is characterized in that, wireless signal transmitter 10 is provided with the power supply needed for pressure sensor 7.
According to the 9th aspect of the present utility model, a kind of shield machine is provided, it comprises operating desk, has the shield tail in multiple seal grease inlet and shield tail grease chamber, the feature of this shield machine is also to comprise: the tail sealing brush of multiple monitoring shield tail grease cavity pressure for shield machine according to claim 1, described in each, tail sealing brush is all installed on the position between two seal grease inlets.
According to the shield machine of the tenth aspect of the present utility model, it is characterized in that, the signal of the shield tail grease cavity pressure that pressure sensor 7 monitors by wireless signal transmitter 10 is sent to operating desk.
According to the tail sealing brush of the monitoring shield tail grease cavity pressure for shield machine of the first embodiment of the present utility model and the shield machine of this tail sealing brush of use, there is following Advantageous Effects: tail sealing brush of the present utility model has pressure sensor, can the pressure in Real-Time Monitoring shield tail grease chamber, make shield machine operating personnel Timeliness coverage shield tail grease cavity pressure weak point, the scheme formulating tail seal grease of shield injection phase and injection rate for operating personnel provides authentic data, the dangerous spot that timely eliminating tail sealing lost efficacy, increase the security reliability of shield machine construction.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 shows the structural representation of the tail sealing brush of the monitoring shield tail grease cavity pressure for shield machine according to the first embodiment of the present utility model.
Fig. 2 shows the structural representation of the gland of the tail sealing brush of the monitoring shield tail grease cavity pressure for shield machine according to the first embodiment of the present utility model shown in Fig. 1.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Fig. 1 shows the structural representation of the tail sealing brush of the monitoring shield tail grease cavity pressure for shield machine according to the first embodiment of the present utility model.In order to clear understanding tail sealing brush of the present utility model, in Fig. 1, show the schematic diagram of the internal construction of tail sealing brush with the form of cut-away section.
As shown in Figure 1, base plate 1, protection latch plate 2, holddown spring plate 3, stainless steel mesh sheet 4, stainless steel corrugation 5, fixed pin shaft 6 is comprised according to the tail sealing brush of the monitoring shield tail grease cavity pressure for shield machine of the first embodiment of the present utility model.At this, those skilled in the art, without the need to describing base plate 1, protection latch plate 2, holddown spring plate 3, stainless steel mesh sheet 4, stainless steel corrugation 5, fixed pin shaft 6 in detail, can understand their general configuration and effect.Tail sealing brush according to the monitoring shield tail grease cavity pressure for shield machine of the first embodiment of the present utility model also comprises: be arranged on the pressure sensor mounting groove 9 in the space that base plate 1 surrounds, be provided with pressure sensor 7 and wireless signal transmitter 10 in it.Pressure sensor 7 comprises probe (not shown), this probe stretches out space that base plate 1 surrounds to monitor shield tail grease cavity pressure, and it is outside that the signal of the shield tail grease cavity pressure that pressure sensor 7 monitors by wireless signal transmitter 10 is sent to tail sealing brush.Wireless signal transmitter 10 can adopt various wireless communication technology, such as, and GSM, CDMA, LTE, WIFI etc.Preferably, the pressure signal monitored can be sent to operating desk by wireless signal transmitter 10.
As shown in Figure 1; tail sealing brush according to the monitoring shield tail grease cavity pressure for shield machine of the first embodiment of the present utility model also comprises the gland 8 be fixed on base plate 1, and gland 8 is for the protection of the pressure sensor 7 be arranged in pressure sensor mounting groove 9 and wireless signal transmitter 10.Gland 8 can be provided with probe hole, and the probe of pressure sensor 7 stretches out the probe hole of gland 8 to monitor shield tail grease cavity pressure.Preferably, gland 8 is provided with retainer ring 18 towards the side of pressure sensor mounting groove 9, and pressure sensor 7 is fixed by retainer ring 18.That is, pressure sensor is installed in retainer ring.Certainly, retainer ring 18 can be arranged on the both sides of gland 8.Further preferably, sealing shroud 12 can be provided with between pressure sensor 7 and retainer ring 18.Sealing shroud 12 is used for stoping shield tail grease or other materials to infiltrate in pressure sensor mounting groove 9.Gland 8 and base plate 1 can be fixed together in every way, such as, and welding, riveted joint etc.Preferably, the upper plate of gland 8 and base plate 1 can offer threaded connection hole, and gland 8 is connected by bolt with base plate 1.
As shown in Figure 1, sealing mat 11 can be provided with between gland 8 and base plate 1, for sealing load sensor mounting groove 9 according to the tail sealing brush of the monitoring shield tail grease cavity pressure for shield machine of the first embodiment of the present utility model.Therefore, gland 8 and sealing mat 11 can together with protect and the components and parts in sealing load sensor mounting groove 9, avoid components and parts to suffer external damage.
Preferably; in the tail sealing brush of the monitoring shield tail grease cavity pressure for shield machine according to the first embodiment of the present utility model, base plate 1 can for curved shape be with in the space (cavity) protection one end of latch plate 2, one end of holddown spring plate 3, one end of stainless steel mesh sheet 4 being enclosed in base plate 1 and being formed.Preferably, base plate 1 can be the U-board of opening towards horizontal direction.The flat board being positioned at top (upper end of the opening of U-board) of the base plate 1 of the U-shaped kept flat is upper plate, the flat board being positioned at bottom (lower end of the opening of U-board) of base plate 1 is lower plate, the upper plate of base plate 1 offers pressure sensor mounting groove installing hole (not shown in figure 1), the upper end of pressure sensor mounting groove 9 is arranged in pressure sensor mounting groove installing hole, and the lower end of pressure sensor mounting groove 9 is fixed on the upper surface of the lower plate of base plate 1.Preferably, gland 8 can overburden pressure sensor mounting groove installing hole.Pressure sensor mounting groove 9 can be arranged in the chamber of base plate 1 in every way, such as, pressure sensor mounting groove 9 upper end is welded in the pressure sensor mounting groove installing hole of base plate 1, and lower end is welded on the upper surface of the lower plate in base plate 1 chamber, and weld need reach sealing effectiveness.
Preferably, in the tail sealing brush of the monitoring shield tail grease cavity pressure for shield machine according to the first embodiment of the present utility model, pressure sensor 7 can be connected by data line with wireless signal transmitter 10.Certainly, pressure sensor 7 also can wirelessly be connected with wireless signal transmitter 10.Preferably, wireless signal transmitter 10 can be provided with the power supply needed for pressure sensor 7.That is, the power supply on wireless signal transmitter 10 is the power supply of both pressure sensor 7 and wireless signal transmitter 10.Alternatively, power supply also can independently be arranged in pressure sensor mounting groove 9, and maybe can be arranged on power supply is on pressure sensor 7.
According to the second embodiment of the present utility model, provide a kind of shield machine, it comprises operating desk, has the shield tail in multiple seal grease inlet and shield tail grease chamber.It will be appreciated by those skilled in the art that, for the sake of clarity, only mention operating desk when this describes shield machine, there is the shield tail in multiple seal grease inlet and shield tail grease chamber, this is because these parts are closely related with technical problem to be solved in the utility model, the parts of the shield machine that other and technical solution problem have nothing to do omit at this.Also can comprise the tail sealing brush of the monitoring shield tail grease cavity pressure for shield machine according to the utility model first embodiment according to the shield machine of the second embodiment of the present utility model, each tail sealing brush is all installed on the position between two seal grease inlets.When the shield tail of the shield machine according to the second embodiment of the present utility model is installed, first should weld tail sealing brush body, after having welded etc. all tail sealing brushes, the annex such as setting pressure sensor 7, wireless signal transmitter 10 and gland 8 again, in order to avoid damage components and parts during welding tail sealing brush body.Effectively can monitor the grease cavity pressure size at this place according to the tail sealing brush of the utility model first embodiment, thus provide reliable foundation for operating personnel formulate greasing scheme, reduce the risk that tail sealing brush lost efficacy.
Preferably, according in the shield machine of the utility model second embodiment, the signal of the shield tail grease cavity pressure that pressure sensor 7 can monitor by wireless signal transmitter 10 is sent to operating desk.
Tail sealing brush of the present utility model has pressure sensor, can the pressure in Real-Time Monitoring shield tail grease chamber, make shield machine operating personnel Timeliness coverage shield tail grease cavity pressure weak point, the scheme formulating tail seal grease of shield injection phase and injection rate for operating personnel provides authentic data, the dangerous spot that timely eliminating tail sealing lost efficacy, increases the security reliability of shield machine construction.
Above detailed description of the invention; the purpose of this utility model, technical scheme and beneficial effect are further described; be understood that; these are only detailed description of the invention of the present utility model; and be not used in restriction protection domain of the present utility model; all within spirit of the present utility model and principle, any amendment made, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.

Claims (10)

1. the tail sealing brush for the monitoring shield tail grease cavity pressure of shield machine; it comprises base plate (1), protection latch plate (2), holddown spring plate (3), stainless steel mesh sheet (4), stainless steel corrugation (5), fixed pin shaft (6); the feature of described tail sealing brush is, also comprises:
Be arranged on the pressure sensor mounting groove (9) in the space that base plate (1) surrounds, pressure sensor (7) and wireless signal transmitter (10) are installed in it;
Wherein, pressure sensor (7) comprises probe, this probe stretches out space that base plate (1) surrounds to monitor shield tail grease cavity pressure, and it is outside that the signal of the shield tail grease cavity pressure that pressure sensor (7) monitors by wireless signal transmitter (10) is sent to tail sealing brush.
2. the tail sealing brush of the monitoring shield tail grease cavity pressure for shield machine according to claim 1, it is characterized in that, described tail sealing brush also comprises the gland (8) be fixed on base plate (1), and gland (8) is for the protection of the pressure sensor (7) be arranged in pressure sensor mounting groove (9) and wireless signal transmitter (10); Wherein, (8) are provided with probe hole to gland, and the probe of pressure sensor (7) stretches out the probe hole of gland (8) to monitor shield tail grease cavity pressure.
3. the tail sealing brush of the monitoring shield tail grease cavity pressure for shield machine according to claim 2, it is characterized in that, gland (8) is provided with retainer ring (18) towards the side of pressure sensor mounting groove (9), and pressure sensor (7) is fixed by retainer ring (18).
4. the tail sealing brush of the monitoring shield tail grease cavity pressure for shield machine according to claim 3, is characterized in that, be provided with sealing shroud (12) between pressure sensor (7) and retainer ring (18).
5. the tail sealing brush of the monitoring shield tail grease cavity pressure for shield machine according to claim 2, it is characterized in that, sealing mat (11) is provided with, for sealing load sensor mounting groove (9) between gland (8) and base plate (1).
6. the tail sealing brush of the monitoring shield tail grease cavity pressure for shield machine according to claim 2, it is characterized in that, base plate (1) is for opening is towards the U-board of horizontal direction, and the superposed flat board of base plate (1) is upper plate, the flat board being positioned at bottom of base plate (1) is lower plate, the upper plate of base plate (1) offers pressure sensor mounting groove installing hole, the upper end of pressure sensor mounting groove (9) is arranged in pressure sensor mounting groove installing hole, and the lower end of pressure sensor mounting groove (9) is fixed on the upper surface of the lower plate of base plate (1), wherein, gland (8) overburden pressure sensor mounting groove installing hole.
7. the tail sealing brush of the monitoring shield tail grease cavity pressure for shield machine according to claim 1, it is characterized in that, pressure sensor (7) is connected by data line with wireless signal transmitter (10).
8. the tail sealing brush of the monitoring shield tail grease cavity pressure for shield machine according to claim 1, is characterized in that, wireless signal transmitter (10) is provided with the power supply needed for pressure sensor (7).
9. a shield machine, it comprises operating desk, has the shield tail in multiple seal grease inlet and shield tail grease chamber, the feature of this shield machine is also to comprise: the tail sealing brush of multiple monitoring shield tail grease cavity pressure for shield machine according to claim 1, described in each, tail sealing brush is all installed on the position between two seal grease inlets.
10. shield machine according to claim 9, is characterized in that, the signal of the shield tail grease cavity pressure that pressure sensor (7) monitors by wireless signal transmitter (10) is sent to operating desk.
CN201420587497.7U 2014-10-11 2014-10-11 For tail sealing brush and the shield machine of the monitoring shield tail grease cavity pressure of shield machine Withdrawn - After Issue CN204212779U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420587497.7U CN204212779U (en) 2014-10-11 2014-10-11 For tail sealing brush and the shield machine of the monitoring shield tail grease cavity pressure of shield machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420587497.7U CN204212779U (en) 2014-10-11 2014-10-11 For tail sealing brush and the shield machine of the monitoring shield tail grease cavity pressure of shield machine

Publications (1)

Publication Number Publication Date
CN204212779U true CN204212779U (en) 2015-03-18

Family

ID=52981460

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420587497.7U Withdrawn - After Issue CN204212779U (en) 2014-10-11 2014-10-11 For tail sealing brush and the shield machine of the monitoring shield tail grease cavity pressure of shield machine

Country Status (1)

Country Link
CN (1) CN204212779U (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104314580A (en) * 2014-10-11 2015-01-28 北京铁五院工程机械有限公司 Shield tail sealing brush for monitoring shield tail grease cavity pressure of shield tunneling machine and shield tunneling machine
CN108533292A (en) * 2018-06-21 2018-09-14 中铁第四勘察设计院集团有限公司 A kind of tunnel double-lining armored concrete location end mode structure and installation method
CN108548683A (en) * 2018-03-23 2018-09-18 北京交通大学 Monitoring on Earth Pressure system and test method for shield model test machine
CN108716412A (en) * 2018-06-21 2018-10-30 中铁第四勘察设计院集团有限公司 A kind of tunnel double-lining plain concrete location end mode structure and installation method
CN108952740A (en) * 2018-08-29 2018-12-07 吴江海格机械有限公司 A kind of novel shield ventral brush and its packaging technology
CN111485895A (en) * 2020-03-12 2020-08-04 山东大学 Grease parameter real-time detection system and application thereof in shield tail seal monitoring

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104314580A (en) * 2014-10-11 2015-01-28 北京铁五院工程机械有限公司 Shield tail sealing brush for monitoring shield tail grease cavity pressure of shield tunneling machine and shield tunneling machine
CN104314580B (en) * 2014-10-11 2016-07-06 北京铁五院工程机械有限公司 The tail sealing brush monitoring shield tail grease cavity pressure and shield machine for shield machine
CN108548683A (en) * 2018-03-23 2018-09-18 北京交通大学 Monitoring on Earth Pressure system and test method for shield model test machine
CN108533292A (en) * 2018-06-21 2018-09-14 中铁第四勘察设计院集团有限公司 A kind of tunnel double-lining armored concrete location end mode structure and installation method
CN108716412A (en) * 2018-06-21 2018-10-30 中铁第四勘察设计院集团有限公司 A kind of tunnel double-lining plain concrete location end mode structure and installation method
CN108533292B (en) * 2018-06-21 2024-03-15 中铁第四勘察设计院集团有限公司 Tunnel secondary lining reinforced concrete section end mould structure and installation method
CN108716412B (en) * 2018-06-21 2024-03-15 中铁第四勘察设计院集团有限公司 Tunnel secondary lining concrete section end mold structure and installation method
CN108952740A (en) * 2018-08-29 2018-12-07 吴江海格机械有限公司 A kind of novel shield ventral brush and its packaging technology
CN111485895A (en) * 2020-03-12 2020-08-04 山东大学 Grease parameter real-time detection system and application thereof in shield tail seal monitoring
CN111485895B (en) * 2020-03-12 2021-04-02 山东大学 Grease parameter real-time detection system and application thereof in shield tail seal monitoring

Similar Documents

Publication Publication Date Title
CN204212779U (en) For tail sealing brush and the shield machine of the monitoring shield tail grease cavity pressure of shield machine
CN104314580B (en) The tail sealing brush monitoring shield tail grease cavity pressure and shield machine for shield machine
CN103967055A (en) Offshore wind turbine large-diameter single-pile foundation with ice-resistant structures
CN202454737U (en) Novel shield type grounding device
CN202208932U (en) Well shutting sleeve of dewatering well
CN201319538Y (en) Reinforced structure of motor casing
CN211692557U (en) A fill device for collecting space area
CN211421176U (en) Underground prefabricated pipe gallery
CN202749522U (en) Anti-corrosion grounding net
CN207526221U (en) A kind of shaft tower protective device for pressure of banketing for isolation
CN201943075U (en) Power head sealing device
US20150284933A1 (en) Electro hydraulic actuator mounting structure for hybrid type construction machine
CN205350279U (en) Mechanical type cantilever crane gyration stop device
CN204610418U (en) oil port structure and pumping oil cylinder
CN206059683U (en) Fast assembling-disassembling grounding device
CN105155609B (en) A kind of excavator center-rotary joint package assembly and installing/dismounting method
CN204875238U (en) Novel connecting device of bucket and clutch flange axle in washing machine
CN204829021U (en) Flange connects
CN205276237U (en) Protection device is installed to deviational survey pipe in being used for filling soil body
CN208352932U (en) A kind of transmission line of electricity height is appeared the fixed device of foundation grounding downlead
CN203756991U (en) Novel leakproof sealing device for nitrogen inflating pipe of heat-engine plant coal conveying silo
CN207142123U (en) A kind of jigging conveyer Anti-extrusion swing arm
CN203272492U (en) Phase position connection type shaft coupler
CN220286166U (en) Novel double-end arc-shaped connecting segment bolt
CN206395229U (en) A kind of water filling device

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
AV01 Patent right actively abandoned

Granted publication date: 20150318

Effective date of abandoning: 20160706

C25 Abandonment of patent right or utility model to avoid double patenting