CN201560909U - Shield tail grouting pump - Google Patents

Shield tail grouting pump Download PDF

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Publication number
CN201560909U
CN201560909U CN2009202730361U CN200920273036U CN201560909U CN 201560909 U CN201560909 U CN 201560909U CN 2009202730361 U CN2009202730361 U CN 2009202730361U CN 200920273036 U CN200920273036 U CN 200920273036U CN 201560909 U CN201560909 U CN 201560909U
Authority
CN
China
Prior art keywords
shield tail
pump
shield
plunger
grout
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 - Lifetime
Application number
CN2009202730361U
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Chinese (zh)
Inventor
田公明
曾爱民
张民
张沛强
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.)
Safecleen Engineering Machinery Co Ltd
Original Assignee
Black whirlwind engineering machinery Development 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 Black whirlwind engineering machinery Development Co Ltd filed Critical Black whirlwind engineering machinery Development Co Ltd
Priority to CN2009202730361U priority Critical patent/CN201560909U/en
Application granted granted Critical
Publication of CN201560909U publication Critical patent/CN201560909U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

The utility model provides a shield tail grouting pump, relating to a slurry pump. A drive cylinder is connected with a plunger in a pump body, and two ends of the pump body are provided with a suction device. The suction device is internally provided with an automatic open-close ball valve as a suction valve, each stroke of the plunger in the pump body can absorb and inject grout so as to realize continuous grout injection; and the plunger is provided with an automatic lubrication device so as to reduce the friction thereof. Aiming at the technical characteristics that the grout in shield tail is easy to consolidate, and a pump head and a pipeline need to be cleaned when a shield machine is not in use for a long time, the utility model designs the pump body of the shield tail grouting pump and a grout storage tank as a whole, so that a grout inlet runner is very short and hard to be blocked. The weight of a discharge chamber end cover after the pump body is taken apart for cleaning is less than 4kg, so that the cleaning operation is convenient. Through the actual shield tail grout injection test, the performance parameters of the shield tail grouting pump meets the requirements of shield grouting process of corresponding specifications completely, and by adopting the design, the production cost is reduced, and the price of the shield tail grouting pump is lower than 1/3 of that of like products in the market.

Description

Shield tail grouting pump
Technical field
The utility model relates to a kind of shield tail grouting pump in a kind of slurry pump, particularly shield-tunneling construction.
Background technique
Chinese patent " 200910045387.1 " discloses a kind of shield tunneling synchronous mud injecting pump, and the patented product main working parts and principle are to utilize to get the flexible material of getting of barrel, utilize the binder cylinder force feed slurry of getting in the barrel again.Analyze on principle, the main Sealing position of product that this patent is described is arranged in the slurries, the stuck and wearing and tearing by the particle in the slurries easily of Sealing position; Owing to get barrel, binder cylinder Sealing all in feed bin, after inner body or Sealing damage, change, inconvenient maintenance; After the use, retain slurry in the feed bin all the time, inner chamber cleans difficulty.
Summary of the invention
Technical problem to be solved in the utility model provides a kind of shield tail grouting pump, can satisfy the requirement of slip casting continuously in the shield-tunneling construction, and simple for structure reliable, and it is convenient to clean.
For solving the problems of the technologies described above, the technological scheme that the utility model adopted is: the plunger in a kind of shield tail grouting pump, driving oil cylinder and the pump housing is connected, and pump housing two ends are provided with sucking-exhausting device.
Be provided with a plurality of ball valves in the described sucking-exhausting device.
Described ball valve one side is equipped with observes lid, observes to cover being provided with bearing pin.
Suction chamber end cap is installed on the described sucking-exhausting device.
Described driving oil cylinder is two.
Described driving oil cylinder symmetry is installed in pump housing both sides.
Described driving oil cylinder two ends also are provided with near switch.
Also be provided with grease lubrication pump on the pump housing.
Described grease lubrication pump is connected with lubricated lid by lubricant pipe.
Now, shield-tunneling construction is all being carried out in domestic a lot of cities, in the shield-tunneling construction, requires shield tail grouting pump:
1) with shield machine driving synchronous grouting, can not rest midway.
2) pump head is easy to dismounting, cleans, and is difficult for being stopped up by mud.
A kind of shield tail grouting pump provided by the utility model is connected with plunger in the pump housing by driving oil cylinder, is provided with sucking-exhausting device at pump housing two ends, and plunger each stroke in the pump housing can carry out slip casting like this, thereby has realized continuous slip casting; Fixed easily at shield tail slurry liquid; the process characteristic that pump head and pipeline need clean when shield machine was shut down for a long time; the utility model is done as a whole the design with the pump housing of shield tail grouting pump with the suction chamber; it is very short to advance to starch runner like this; the part single-piece weight of taking pump housing cleaning apart is less than 4 kilograms; grouting pipeline connects the employing quick union, takes suction chamber end cap apart, can carry out pipeline and clean.
Two driving oil cylinder symmetries are installed in pump housing both sides, help the stressed even of plunger operation, also be convenient to the motion speed of plunger is controlled, thereby injection speed is controlled.
Be provided with near switch at the driving oil cylinder two ends, by the commutation near switch controlling and driving oil cylinder, this control mode cost is lower.
Adopt in the sucking-exhausting device ball valve as one-way valve, adopt to be provided with in a side of ball valve and observe lid, and cover in observation bearing pin is set, bearing pin carries out spacing, simple and reliable for structure, with low cost to ball valve, and dismounting is observed to cover and got final product when needs are changed.
Lubricating fitting is set on the pump housing, groundwork element-plunger is carried out automatic pumping oil lubrication sealing position, the wearing and tearing that slow down plunger.
Performance parameter of the present utility model satisfy the shield grouting arts demand of corresponding specification fully, and by adopting above-mentioned design to reduce cost of production, its price is in below 1/3 of like product on the market through actual shield tail slurry liquid test injection.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples.
Fig. 1 is an overall structure schematic representation of the present utility model;
Fig. 2 is the A-A sectional view of Fig. 1 in the utility model;
Fig. 3 is the output performance parameter curve when plunger diameter is 100 millimeters in the utility model.
Embodiment
In Fig. 1, pump housing both sides respectively are symmetrically installed with a driving oil cylinder 9 by support plate, driving oil cylinder 9 is connected with plunger 6 by yoke 23, the two ends of driving oil cylinder 9 are provided with near switch 5,12, the two ends of the pump housing respectively are provided with a sucking-exhausting device, the sucking-exhausting device outside in the left side is equipped with left suction chamber end cap 17 by fixing bolt 16, is provided with ball valve 18 and 15 in it; The sucking-exhausting device outside on the right side is equipped with right suction chamber end cap 27 by fixing bolt 26, is provided with ball valve 19 and 30 in it.
In Fig. 2, the side in ball valve 19 and 30 is equipped with to observe cover 25 and 14, which is provided with bearing pin, be used for ball valve is carried out spacing, thereby realization is controlled the slurries one-way flow.Be provided with at an end of right stock inlet 28 and clean end cap 24, can be after the dismounting so that to the cleaning of pipeline.The sucking-exhausting device internal structure in left side is identical with the sucking-exhausting device on right side.Adopt ball-cock device, simple and reliable for structure, with low cost, it is convenient to change, and the cooperation between the spherical can the self compensation wearing and tearing, thus bigger reduction cost of production.
Also be provided with lubricating fitting on the pump housing, grease lubrication pump 8 cover 11 and is connected with 21 with lubricated by lubricant pipe 10,22 respectively, and lubricant oil is delivered to sealing 7 places at plunger 6 two ends, thereby realization reduces wear to the lubricating of plunger 6.
During operation, hydraulic oil enters the left end of driving oil cylinder 9, promoting driving oil cylinder 9 moves to the right, driving oil cylinder 9 drives plunger 6 by yoke 23 and moves to the right, slurries suck from left stock inlet 20, back down ball valve 18 and enter left suction chamber 4, driving oil cylinder 9 moves to the right near switch 12, the commutation of control system control hydraulic oil, hydraulic oil enters the right-hand member of driving oil cylinder 9, driving oil cylinder 9 drives plungers 6 by yoke 23 and move left, and at this moment in left suction chamber 4, ball valve 18 is sealed by slurries, ball valve 15 is backed down, slurries are discharged from from left movable joint 1 through row road 2, and meanwhile, slurries are inhaled into from right stock inlet 28, back down ball valve 19 and enter into right suction chamber 13, driving oil cylinder 9 moves to left near switch 5, and the commutation of control system control hydraulic oil drives plunger 6 and moves to the right, the slurries of right suction chamber 13 are with ball valve 19 sealings, back down ball valve 30 and be discharged from from right movable joint 29, slurries are drawn in the chamber of left suction simultaneously 4, so move in circles.
Pull down fixing bolt 16,26 and can dismantle left suction chamber end cap 17 and right suction chamber end cap 27, thereby left suction chamber 4 and right suction chamber 13 are cleaned, pull down and clean end cap 24 and can clean right stock inlet 28, it is identical to clean left stock inlet 20 steps; Pull down to observe and cover 14 and observe and cover 25 and can change ball valve 30 and 19, simultaneously mud row chamber is cleaned, the ball valve 15 of changing the left side with 18 and cleaning mud to arrange chamber 3 steps identical; Dismantling left movable joint 1 can clean row road 2, and the row road of dismantling 29 pairs of right sides of right movable joint cleans.
In Fig. 3, the output performance parameter curve when being 100 millimeters for plunger diameter in the utility model through actual shield tail slurry liquid test injection, satisfies the shield grouting arts demand of corresponding specification fully.The pressure of shield grouting is generally all less than 1.5MPa (15bar), and most grouting pressures are at 0.3-0.7MPa (3-7bar), and most shield machines require the flow of single pump less than 160L/min.Moreover, when shield machine requires bigger flow, increase the output mud flow rate and satisfy thereby can strengthen plunger diameter.
According to shield structure size, the output parameter of calculating pump, can dispose different output parameter types at different shield machines:
(1) shield tail grouting pump of 70 millimeters of the shield machine configuration plunger diameter of diameter below 4 meters, peak rate of flow can reach 5 cubic metres/per hour.
(2) shield tail grouting pump of 100 millimeters of the shield machine of 4 to 8 meters of diameters configuration plunger diameter, peak rate of flow can reach 9.5 cubic metres/per hour.
(3) shield tail grouting pump of 125 millimeters of the shield machine of 8 to 12 meters of diameters configuration plunger diameter, peak rate of flow can reach 14.5 cubic metres/per hour.
(4) shield tail grouting pump of 160 millimeters of the shield machine configuration plunger diameter of diameter more than 12 meters, peak rate of flow can reach 24 cubic metres/per hour.

Claims (9)

1. shield tail grouting pump is characterized in that: driving oil cylinder is connected with plunger in the pump housing, and pump housing two ends are provided with sucking-exhausting device.
2. a kind of shield tail grouting pump according to claim 1 is characterized in that: be provided with a plurality of ball valves in the described sucking-exhausting device.
3. a kind of shield tail grouting pump according to claim 2 is characterized in that: described ball valve one side is equipped with observes lid, observes to cover being provided with bearing pin.
4. a kind of shield tail grouting pump according to claim 1 is characterized in that: suction chamber end cap is installed on the described sucking-exhausting device.
5. a kind of shield tail grouting pump according to claim 1 is characterized in that: described driving oil cylinder is two.
6. a kind of shield tail grouting pump according to claim 5 is characterized in that: described driving oil cylinder symmetry is installed in pump housing both sides.
7. according to claim 1 or 5 or 6 described a kind of shield tail grouting pumps, it is characterized in that: described driving oil cylinder two ends also are provided with near switch.
8. a kind of shield tail grouting pump according to claim 1 is characterized in that: also be provided with grease lubrication pump on the pump housing.
9. a kind of shield tail grouting pump according to claim 8 is characterized in that: described grease lubrication pump is connected with lubricated lid by lubricant pipe.
CN2009202730361U 2009-11-28 2009-11-28 Shield tail grouting pump Expired - Lifetime CN201560909U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2009202730361U CN201560909U (en) 2009-11-28 2009-11-28 Shield tail grouting pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2009202730361U CN201560909U (en) 2009-11-28 2009-11-28 Shield tail grouting pump

Publications (1)

Publication Number Publication Date
CN201560909U true CN201560909U (en) 2010-08-25

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ID=42626055

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2009202730361U Expired - Lifetime CN201560909U (en) 2009-11-28 2009-11-28 Shield tail grouting pump

Country Status (1)

Country Link
CN (1) CN201560909U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103883494A (en) * 2014-04-08 2014-06-25 西南石油大学 High-power hydraulic drive fracturing pump
CN104619985A (en) * 2012-02-24 2015-05-13 拜奥开姆泰克股份公司 Continuous process for conversion of lignin to useful compounds

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104619985A (en) * 2012-02-24 2015-05-13 拜奥开姆泰克股份公司 Continuous process for conversion of lignin to useful compounds
CN103883494A (en) * 2014-04-08 2014-06-25 西南石油大学 High-power hydraulic drive fracturing pump

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C56 Change in the name or address of the patentee

Owner name: SAFECLEEN ENGINEERING MACHINERY CO., LTD.

Free format text: FORMER NAME: BLACK WHIRLWIND ENGINEERING MACHINERY DEVELOPMENT CO., LTD.

CP03 Change of name, title or address

Address after: 443000 Dalian Road, Hubei, China, No. 8, No.

Patentee after: Three river moral young worker journey Machinery Co., Ltd.s

Address before: 443003 No. 8, Dalian Road, Dongshan Development Zone, Hubei, Yichang

Patentee before: Black Whirlwind Engineering Machinery Development Co., Ltd.

CX01 Expiry of patent term
CX01 Expiry of patent term

Granted publication date: 20100825