CN206377059U - Water plug and drainage system inside incline sinking machine shield body - Google Patents

Abstract

The utility model discloses water plug inside a kind of incline sinking machine shield body and drainage system, the water plug includes the power set that the impeller being arranged in wheel chamber and impeller are rotated, also include the sealing device for being used to seal the gap between output shaft and axis hole, the sealing device includes sleeve, it is arranged at intervals the sealing ring that at least twice are set in the through hole for seal sleeve on output shaft in the through hole of sleeve, and grease is filled in the annular gap between sealing ring.By setting two seals circle in the sleeve between power set and wheel chamber, the sealing property of the water plug is effectively improved, it is to avoid cement mortar and stone flour penetrate into the inside of power set.The drainage system that the utility model is provided extracts sewage using foregoing water plug, and using the hydraulic oil pump and fuel tank of the hydraulic system independence relative to development machine, it is to avoid sewage is taken in the hydraulic system of development machine and polluted to the hydraulic system of development machine by the hydraulic oil of the water plug.

Description

Water plug and drainage system inside incline sinking machine shield body

Technical field

The utility model is related to development machine water plug technical field, is taken out inside more particularly to a kind of incline sinking machine shield body Water installations and drainage system.

Background technology

In the work progress of incline sinking machine, installed in tunnel behind section of jurisdiction, in addition it is also necessary to inject beans at the back of section of jurisdiction Stone and cement mortar, under gravity, cement mortar can flow to shield body bottom, so, development machine shield body along tunnel bottom Bottom has a large amount of sewage for being mixed with cement mortar and stone flour, if sewage is not discharged, can flood the electricity such as main drive motor, electrical appliance kit Device equipment, causes device damage, or even produce the danger such as electric leakage.

It is supporting that sewage in shield body is discharged to development machine rear portion by existing incline sinking machine typically using electric submersible pump In foul water tank, there can be problems with using electric submersible pump：Electric submersible pump separates electric submersible pump using mechanical seal Machine winding and wheel chamber, the operation principle of mechanical seal is that rotating ring rotates relative to stationary ring, the shape between rotating ring and stationary ring Into sealing, the contact surface that the particulate matter such as shield body bottom cement mortar, stone flour is easily penetrated between the rotating ring of mechanical seal and stationary ring is electronic After immersible pump works long hours, mechanical seal can lose sealability because of being worn, and sewage can penetrate into electric submersible The machine winding of pump, so as to cause electric submersible pump machine winding short-circuit failure.

Utility model content

The utility model is mainly solving the technical problems that provide water plug inside a kind of incline sinking machine shield body, this is taken out Water installations are arranged at intervals at least two seals circle in the sleeve between its power set and wheel chamber, and in this two seals Grease is injected in circle, this sealing means improve the operating mode adaptability of water plug, it is to avoid the water in sewage in shield body Mud and stone flour are penetrated into power set；The technical problem that the utility model is further solved is to provide a kind of incline sinking machine Shield body internal drainage system, the drainage system extracts sewage using foregoing water plug, and using the liquid relative to development machine Hydraulic oil pump and fuel tank that pressure system is independently arranged, it is to avoid the circulation hydraulic oil of the water plug takes sewage to development machine In hydraulic system.

In order to solve the above technical problems, the technical scheme that the utility model is used is：A kind of incline sinking machine is provided Water plug inside shield body, the water plug includes the impeller being arranged in wheel chamber and the power dress for driving the wheel rotation Put, the cavity wall of the wheel chamber is provided with axis hole, and the output shaft of the power set passes through the axis hole, and the impeller is dynamic installed in this The front end of the output shaft of power apparatus, the water plug also includes the sealing for being used to seal the gap between the output shaft and the axis hole Device, the sealing device includes sleeve, and the output shaft of the power set passes through the through hole of the sleeve, and the upper end of the sleeve is fixed on On the power set, the lower surface laminating that the through hole of the sleeve covers the axis hole and the sleeve is fixed on the upper table of the wheel chamber The sealing that at least twice are set in being used on the output shaft and seal the through hole of the sleeve is arranged at intervals in face, the through hole of the sleeve Enclose, and grease is filled in the annular gap between the sealing ring.

Inside the utility model incline sinking machine shield body in another embodiment of water plug, the sealing ring includes one Individual lip-shaped sealed ring and a V-shaped seal ring, the bottom of the inwall of the sleeve, should provided with the radially inwardly extending projection of a circle Lip-shaped sealed ring is arranged on the high spot, and the V-shaped seal ring is located under the lower section of the lip-shaped sealed ring, and the V-shaped seal ring End face is fitted with the upper surface of the cavity wall of the wheel chamber, between the lip-shaped sealed ring and the projection and the V-shaped seal ring with It is linear contact lay between the upper surface of the cavity wall of the wheel chamber.

Inside the utility model incline sinking machine shield body in another embodiment of water plug, the power set are liquid Pressure motor.

Inside the utility model incline sinking machine shield body in another embodiment of water plug, the hydraulic motor it is defeated Shaft is provided with the shaft shoulder, and the position that the output shaft is located at more than the shaft shoulder is arranged clutch shaft bearing, the position below the shaft shoulder Second bearing is arranged, and the sleeve is located at the supporting table for being provided with the inwall of the raised top and being used for carrying the second bearing Rank.

Inside the utility model incline sinking machine shield body in another embodiment of water plug, being located in the sleeve should Barrel between clutch shaft bearing and the second bearing is provided with peep hole, and the peep hole sets a corresponding plug.

In order to solve the above technical problems, another technical scheme that the utility model is used is：A kind of incline sinking is provided Machine shield body internal drainage system, the drainage system includes foregoing water plug, and the drainage system also includes and the water plug The drainpipe that is connected of delivery port, and the hydraulic oil pump and oil that the hydraulic system including relative to the development machine is independently arranged Case, the hydraulic oil that the hydraulic oil pump is extracted in the fuel tank drives the hydraulic motor by input oil pipe delivery hydraulic pressure oil, and passes through Output oil pipe returns to the fuel tank by the hydraulic oil of the hydraulic motor is defeated.

In another embodiment of the utility model incline sinking machine shield body internal drainage system, the drainage system is also wrapped Include the foul water tank for the sewage that the receiving water plug being arranged on inside the shield body is extracted.

In another embodiment of the utility model incline sinking machine shield body internal drainage system, set inside the development machine Support bridge is equipped with, the hydraulic oil pump and fuel tank are fixedly installed in the support bridge of the development machine.

By such scheme, the beneficial effects of the utility model are：In the incline sinking machine shield body that the utility model is provided Portion's water plug includes the impeller being arranged in wheel chamber and the power set for driving the wheel rotation, the chamber of wheel chamber Wall is provided with axis hole, and the output shaft of the power set passes through axis hole, and impeller is arranged on the front end of the output shaft of power set, takes out Water installations also include the sealing device for being used to seal the gap between output shaft and axis hole, and the sealing device includes sleeve, power The output shaft of device passes through the through hole of sleeve, and the upper end of sleeve is fixed on the power set, the through hole covering axis hole of sleeve and The lower surface laminating of sleeve is fixed on interval setting at least twice in the upper surface of wheel chamber, the through hole of sleeve and is set in output Grease is filled in the sealing ring of the through hole for seal sleeve on axle, and annular gap between sealing ring.By dynamic Set in two seals circle, and annular gap between the two seals circle and note in sleeve between power apparatus and wheel chamber Enter grease, effectively improve the sealing property of the water plug, so as to improve the operating mode adaptability of the water plug, it is to avoid cement Slurry and stone flour penetrate into the inside of power set.Before the incline sinking machine shield body internal drainage system that the utility model is provided is used The water plug stated extracts sewage, and motor is replaced as power set using hydraulic motor, and using the liquid relative to development machine Hydraulic oil pump and fuel tank that pressure system is independently arranged is hydraulic motor fuel feeding, it is to avoid the circulation hydraulic oil of the water plug is by dirt Water takes in the hydraulic system of development machine and polluted the hydraulic system of development machine to.

Brief description of the drawings

Fig. 1 is the structural representation of existing incline sinking machine shield body internal drainage system；

Fig. 2 is the structural representation of water plug inside the utility model incline sinking machine shield body；

Fig. 3 is the A portions enlarged drawing in Fig. 2；

Fig. 4 is the structural representation of the utility model incline sinking machine shield body internal drainage system.

Embodiment

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, still, 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 is more thorough comprehensive.

It should be noted that unless otherwise defined, all technologies and scientific terminology are with belonging to used in this specification The implication that those skilled in the art of the present utility model are generally understood that is identical.Of the present utility model used in the description Term be intended merely to describe specific embodiment purpose, be not intended to limit the utility model.

Below in conjunction with the accompanying drawings, each embodiment of the present utility model is described in detail.

Referring to Fig. 1, Fig. 1 is the structural representation of existing incline sinking machine shield body internal drainage system.Such as Fig. 1 institutes Show, when incline sinking machine is tunneled forward, it is necessary to install the section of jurisdiction 6 matched with tunnel, and between section of jurisdiction 6 and tunnel wall 5 Gap in filling beans stone and cement mortar, under gravity, beans stone and cement mortar can be added from tunnel wall to flowing down It can gradually assemble sewage in the underground water infiltrated in 5, shield body 3, if draining-off sewage not in time, can cause electric in development machine The damage of device element, or even can occur leaky.Existing incline sinking machine shield body internal drainage system includes being submerged in shield Sewage 1, the mode in foul water tank 4 is extracted into by using electric submersible pump 2 by the electric submersible pump 2 in body 3 in anterior sewage 1 Draining-off sewage.Electric submersible pump is entered using mechanical seal to the gap between the output shaft of electric submersible pump motor and wheel chamber Row sealing, and mechanical seal is easily worn and torn by the sand in sewage, after working long hours, mechanical seal is easily damaged, and is made Into sewage permeation into electric submersible pump motor, so as to cause electric submersible pump machine winding short-circuit failure.

Also referring to Fig. 2 and Fig. 3, Fig. 2 is that the structure of water plug inside the utility model incline sinking machine shield body is shown It is intended to, Fig. 3 is the A portions enlarged drawing in Fig. 2.

As shown in Fig. 2 water plug includes being arranged on impeller cavity inside the incline sinking machine shield body that the utility model is provided The power set that impeller 8 and impeller 8 in room 7 are rotated, the power set are preferably hydraulic motor 9, and wheel chamber 7 is by chamber Wall 701 is around forming, and the cavity wall 701 of wheel chamber 7 is provided with axis hole 10, and the output shaft 11 of hydraulic motor 9 passes through axis hole 10, leaf Wheel 8 is arranged on the front end of the output shaft 11 of hydraulic motor 9.The driving impeller 8 of hydraulic motor 9 rotates, and impeller 8 is in wheel chamber 7 Rotation cause centrifugal action, by sewage transport to being arranged in the foul water tank in shield body.

The water plug also includes the sealing device for being used to seal the gap between output shaft 11 and axis hole 10, sealing device Including sleeve 12, the output shaft 11 of hydraulic motor 9 passes through the through hole 13 of sleeve 12, and the upper end of sleeve 12 is fixed on hydraulic motor 9 On, the lower surface laminating of the covering axis hole 10 of through hole 13 and sleeve 12 of sleeve 12 is fixed on the upper surface of wheel chamber 7, sleeve 12 Through hole 13 in be arranged at intervals at least twice and be set in the sealing ring of the through hole 13 for seal sleeve 12 on output shaft 11, and Grease is filled in annular gap 14 between sealing ring.

Hydraulic motor 9 and wheel chamber 7 are linked together using sleeve 12, by setting sealing ring will in sleeve 12 Clearance seal between output shaft 11 and axis hole 10, relative to mechanical seal, this sealing means are due to setting at least twice close Seal, and ring wear resistant, so being not in the problem of damage easily because of abrasion.Between annular between sealing ring Grease is filled in gap, so, in drainage procedure, grease can produce micro- pressure of shaking with the rotation of impeller, be close to sealing ring The surface being in contact with the sealing ring, so that the sealing effectiveness of sealing ring is more preferable.

The lower section of wheel chamber 7 is installed with filter screen 702, and for filtering out the easy blocking in sewage, this takes out filter screen 702 The impurity of water installations.

The power set of the water plug are preferably hydraulic motor 9, and biography is substituted by the way of the driving impeller of hydraulic motor 9 The water pump of system uses the mode of motor driven impeller so that the water plug need not connect electricity, so as to avoid motor because failure And the risk leaked electricity.

It is further preferred that the two seals circle set in sleeve 12 includes a lip-shaped sealed ring 15 and a V-type Sealing ring 16, the bottom of the inwall of sleeve 12 is provided with the radially inwardly extending projection 17 of a circle, and lip-shaped sealed ring 15 is arranged on At projection 17, V-shaped seal ring 16 is located at the lower section of lip-shaped sealed ring 15, and the lower surface and wheel chamber 7 of V-shaped seal ring 16 The upper surface laminating of cavity wall 701, the cavity wall of between lip-shaped sealed ring 15 and projection 17 and V-shaped seal ring 16 and wheel chamber 7 It is linear contact lay between 701 upper surface.Oil is filled in annular gap 14 between lip-shaped sealed ring 15 and V-shaped seal ring 16 Fat, so, in the water plug course of work, grease can produce micro- pressure of shaking with the rotation of impeller, make V-shaped seal ring 16 tight The upper surface of wheel chamber 7 is pasted, so that the gap between axis hole 10 and output shaft 11 is just by the tight seal of V-shaped seal ring 16.

As shown in Fig. 2 the output shaft 11 of hydraulic motor 9 is provided with the shaft shoulder 18, output shaft 11 is located at the portion of the shaft shoulder more than 18 Position is arranged clutch shaft bearing 19, and second bearing 20 is arranged positioned at position of the shaft shoulder below 18, and sleeve 12 is located at the top of projection 17 Inwall at be provided with and be used to carry the support level 21 of second bearing 20.Because output shaft 11 is longer, in order to ensure output shaft 11 In the stability of rotation process, set in sleeve 12 after the two bearings, output shaft 11 bias would not occur when rotating Phenomenon.

It is linear contact lay, V-shaped seal ring 16 and impeller cavity between the excircle of lip-shaped sealed ring 15 and the inner surface of projection 17 It is also linear contact lay between the upper surface of room 7, so, when lip-shaped sealed ring 15 and V-shaped seal ring 16 rotate with output shaft 11, Rubbing surface is very small, to avoid the abrasion of lip-shaped sealed ring 15 and V-shaped seal ring 16.

It is located in sleeve 12 on the barrel between clutch shaft bearing 19 and second bearing 20 and is provided with peep hole 22, and peep hole 22 Corresponding plug 23 is set.

For the ease of regular maintenance, spy sets peep hole 22, and when the water plug draws water, peep hole 22 blocks plug Also whether 23, when needing to safeguard, opening plug 23 can just observe with the presence or absence of sewage in sleeve 12, so as to verify sealing ring Possesses sealability.

Referring to Fig. 4, Fig. 4 is the structural representation of the utility model incline sinking machine shield body internal drainage system.Such as Fig. 4 Shown, the incline sinking machine shield body internal drainage system includes above-mentioned water plug, and the water plug is driven using hydraulic motor 9 Wheel rotation, the drainage system also includes the drainpipe 29 that is connected with the delivery port of water plug, and including relative to Hydraulic oil pump 24 and fuel tank 30 that the hydraulic system of development machine is independently arranged, the hydraulic oil that hydraulic oil pump 24 is extracted in fuel tank 30 lead to The delivery hydraulic pressure of input oil pipe 25 oil driving hydraulic motor 9 is crossed, and is returned to by output oil pipe 26 by the hydraulic oil of hydraulic motor 9 is defeated Fuel tank 30.

Better tightness between the hydraulic motor and impeller of the water plug, makes sewage not penetrate into hydraulic pressure horse Reach, meanwhile, drive the mode of impeller to replace the mode sewer of motor driven impeller using hydraulic oil pump, it is to avoid during using motor There is the risk of motor electric leakage.

The hydraulic system of the drainage system is independently arranged relative to the hydraulic system of development machine, if so sewage is penetrated into In the hydraulic system of the drainage system, the hydraulic system of development machine will not be also polluted, if by sewage pollution, it is only necessary to which cleaning should The hydraulic system of drainage system.

It is preferred that, the drainage system also includes the dirt for being arranged on the sewage that the receiving water plug inside shield body 3 is extracted Water tank 4, sewage is fitted into foul water tank 4, then foul water tank 4 is transported into tunnel, and drainpipe 29 need not be routed to by this mode Outside tunnel.Certainly, in other embodiments, drainpipe 29 can also be routed to outside tunnel, sewage is directly discharged to tunnel Outside road.

Support bridge 27 is internally provided with the shield body 3 of development machine, hydraulic oil pump 24 and fuel tank 30 are fixedly installed on driving In the support bridge 27 of machine, the hydraulic system and development machine of the drainage system are wholely set, mitigate carrying work during sewer.

Based on above example, water plug includes being arranged on leaf inside the incline sinking machine shield body that the utility model is provided Take turns the impeller in chamber and drive the power set of the wheel rotation, the cavity wall of wheel chamber is provided with axis hole, power dress The output shaft put passes through axis hole, and impeller is arranged on the front end of the output shaft of power set, and water plug also includes being used to seal The sealing device in the gap between output shaft and axis hole, the sealing device includes sleeve, and the output shaft of power set passes through sleeve Through hole, the upper end of sleeve is fixed on the power set, and the lower surface laminating of the through hole covering axis hole and sleeve of sleeve is fixed The seal sleeve that is used for that at least twice are set on output shaft is arranged at intervals in upper surface in wheel chamber, the through hole of sleeve Grease is filled in the sealing ring of through hole, and annular gap between sealing ring.By between power set and wheel chamber Sleeve in set in two seals circle, and annular gap between the two seals circle and inject grease, effectively improve this and take out The sealing property of water installations, so as to improve the operating mode adaptability of the water plug, it is to avoid cement mortar and stone flour penetrate into power The inside of device.The incline sinking machine shield body internal drainage system that the utility model is provided is extracted dirty using foregoing water plug Water, motor is replaced as the power set of the water plug using hydraulic motor, and using the hydraulic system relative to development machine The hydraulic oil pump and fuel tank being independently arranged, it is to avoid the circulation hydraulic oil of the water plug takes sewage to the hydraulic pressure system of development machine The hydraulic system of development machine is polluted in system.

Embodiment of the present utility model is the foregoing is only, the scope of the claims of the present utility model is not thereby limited, 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, is included in scope of patent protection of the present utility model.

Claims (8)

1. water plug inside a kind of incline sinking machine shield body, the water plug include the impeller being arranged in wheel chamber and The power set of the wheel rotation are driven, the cavity wall of the wheel chamber is provided with axis hole, the output shaft of the power set Through the axis hole, and the impeller is arranged on the front end of the output shaft of the power set, and the water plug also includes using In the sealing device for sealing the gap between the output shaft and the axis hole, it is characterised in that

The sealing device includes sleeve, and the output shafts of the power set passes through the through hole of the sleeve, the sleeve it is upper End is fixed on the power set, and the through hole of the sleeve covers the axis hole and the lower surface laminating of the sleeve is fixed on The upper surface of the wheel chamber；

At least twice are arranged at intervals in the through hole of the sleeve it are set in being used on the output shaft and seals the logical of the sleeve Grease is filled in the sealing ring in hole, and annular gap between the sealing ring.

2. water plug inside incline sinking machine shield body according to claim 1, it is characterised in that the sealing ring includes One lip-shaped sealed ring and a V-shaped seal ring, the bottom of the inwall of the sleeve is provided with radially inwardly extending convex of a circle Rise, the lip-shaped sealed ring is arranged on the high spot, and the V-shaped seal ring is located at the lower section of the lip-shaped sealed ring, and institute The lower surface for stating V-shaped seal ring is fitted with the upper surface of the cavity wall of the wheel chamber, the lip-shaped sealed ring and the projection Between and the upper surface of the V-shaped seal ring and the wheel chamber between be linear contact lay.

3. water plug inside incline sinking machine shield body according to claim 2, it is characterised in that the power set are Hydraulic motor.

4. water plug inside incline sinking machine shield body according to claim 3, it is characterised in that the hydraulic motor Output shaft be provided with the shaft shoulder, the output shaft be located at the shaft shoulder more than position be arranged clutch shaft bearing, positioned at the shaft shoulder with Under position be arranged second bearing, and the sleeve is located at the inwall of the raised top to be provided with and is used to carry described second The support level of bearing.

5. water plug inside incline sinking machine shield body according to claim 4, it is characterised in that be located in the sleeve Barrel between the clutch shaft bearing and the second bearing is provided with peep hole, and the peep hole sets corresponding block up Head.

6. a kind of incline sinking machine shield body internal drainage system, it is characterised in that the drainage system includes claim 2-5 and appointed Water plug inside incline sinking machine shield body described in one, the drainage system also includes the delivery port with the water plug The drainpipe being connected, and the hydraulic oil pump and fuel tank that the hydraulic system including relative to the development machine is independently arranged, institute The hydraulic oil stated in the hydraulic oil pump extraction fuel tank drives the hydraulic motor by input oil pipe delivery hydraulic pressure oil, and passes through Output oil pipe returns to the fuel tank by the hydraulic oil of the hydraulic motor is defeated.

7. incline sinking machine shield body internal drainage system according to claim 6, it is characterised in that the drainage system is also Foul water tank including being arranged on the sewage that the receiving water plug inside the shield body is extracted.

8. incline sinking machine shield body internal drainage system according to claim 7, it is characterised in that inside the development machine Support bridge is provided with, the hydraulic oil pump and fuel tank are fixedly installed in the support bridge.