CN205173099U - Earth pressure balanced pipe pushing jack hydraulic means - Google Patents
Earth pressure balanced pipe pushing jack hydraulic means Download PDFInfo
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- CN205173099U CN205173099U CN201520967565.7U CN201520967565U CN205173099U CN 205173099 U CN205173099 U CN 205173099U CN 201520967565 U CN201520967565 U CN 201520967565U CN 205173099 U CN205173099 U CN 205173099U
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Abstract
The utility model provides an earth pressure balanced pipe pushing jack hydraulic means, the utility model discloses constitute by the main roof hydraulic system and the hydraulic system that rectifies, main roof hydraulic system drives high -pressure little flow pump, 2# motor by the 1# motor and drives the big flow pump of low pressure, and three O type tribit cross magenetic exchange valve is connected respectively to big flow pump of low pressure and high -pressure little flow pump's rear end, and two main roof pneumatic cylinders are connected to every O type tribit cross magenetic exchange valve rear end, and advance oil pipe and say that it is connected with O type tribit cross magenetic exchange valve to pass through the P mouth, the utility model discloses an extension of double pump fueling control main roof pneumatic cylinder with return the speed that contracts, when making the main roof system non -loaded, quick top is advanced and is returned and return fast when moving back, improves the work efficiency of pipe pushing jack, the hydraulic system that rectifies has set up the auto -lock return circuit of the two -way lock of hydraulic pressure, has guaranteed the precision of rectifying.
Description
Technical field
The utility model relates to a kind of hydraulic pressure installation, particularly relates to a kind of soil pressing balance pipe jacking machine hydraulic pressure installation.
Background technique
Along with the develop rapidly of modern urban construction, under ground piping excavation construction is valued by the people with destruction gradually to the interference that road traffic, urban afforestation cause.And push-bench construction need spoil ground floor, it can pass highway, railway, Chuan He, above ground structure, underground structure and various under ground piping from underground.Because having, current soil pressing balance pipe jacking machine is suitable for that soil property scope is comparatively wide, good work environment, discharge dregs transportation and stack the advantage such as convenient and be widely used.
Soil pressing balance pipe jacking machine is made up of mechanical structure, hydraulic system and electric control system, and wherein hydraulic system is very important constituent element, and it comprises main top hydraulic system and correction hydraulic system.The driving that main top hydraulic system is mainly push-bench provides power, and existing main top hydraulic system adopts hand-operated direction valve to control oil cylinder jacking, and operate too loaded down with trivial details and cannot make oil cylinder synchronous working, and jacking is identical with rollback hourly velocity, working efficiency is lower.Correction hydraulic system mainly corrects the attitude of push-bench in tunneling process, make it return jacking axis, and existing deviation-rectifying system self-locking circuit is too single, can not accurately error correct displacement, and impact is larger.
Summary of the invention
The purpose of this utility model is to provide a kind of soil pressing balance pipe jacking machine hydraulic pressure installation, wherein main top hydraulic system have work to enter, the function such as F.F. and rewind, effectively can improve the working efficiency of main top hydraulic system; Correction hydraulic system is provided with the self-locking circuit of hydraulic two-way lock, makes correction position more accurate.
The utility model is achieved in that it comprises unloading valve, 2# motor, low pressure and mass flow pump, high-pressure low-flow pump, 1# motor, relief valve, one-way valve one, pressure meter switch one, pressure gauge one, stop valve, O type three-position four-way electromagnetic directional valve, bi-bit bi-pass solenoid directional control valve, series flow control valve, main jacking hydraulic cylinder, 3# motor, oil hydraulic pump, relief valve, one-way valve two, pressure meter switch two, pressure gauge two, Y type three-position four-way electromagnetic directional valve, hydraulic two-way lock, correction oil cylinder, it is characterized in that, the utility model is made up of main top hydraulic system and correction hydraulic system, described main top hydraulic system is by 1# driven by motor high-pressure low-flow pump, 2# driven by motor low pressure and mass flow pump, low pressure and mass flow pump and the rear end of high-pressure low-flow pump are connected three O type three-position four-way electromagnetic directional valve respectively, each O type three-position four-way electromagnetic directional valve rear end connects two main jacking hydraulic cylinders, inflow pipeline is connected with three-position four-way electromagnetic directional valve by P mouth, O type three-position four-way electromagnetic directional valve is connected with two-position two-way solenoid valve selector valve and series flow control valve respectively by A mouth, last inflow pipeline is connected with oil cylinder oil inlet mouth, and O type three-position four-way electromagnetic directional valve is connected with oil cylinder oil outlet by B mouth, described correction hydraulic system is by 3# driven by motor oil hydraulic pump fuel feeding, oil hydraulic pump rear end connects four Y type three-position four-way electromagnetic directional valve, A mouth and the B mouth of Y type three-position four-way electromagnetic directional valve are connected the single-phase lock of hydraulic pressure respectively and form hydraulic two-way lock, and hydraulic two-way lock outlet is connected with the filler opening of oil cylinder and oil outlet respectively.
Described deviation correction control system is provided with the self-locking circuit of hydraulic two-way lock.
Technique effect of the present utility model is: the utility model adopts the elongation of double pump fuel control main jacking hydraulic cylinder and the speed of retraction, when making main top system non-loaded, return fast when fast jacking and rollback, improve the working efficiency of push-bench, correction hydraulic system is provided with the self-locking circuit of hydraulic two-way lock, ensure that the precision of correction.
Accompanying drawing explanation
Fig. 1 is main top hydraulic system principle figure.
Fig. 2 is correction hydraulic system principle figure.
Fig. 3 is correction oil cylinder distribution map.
Fig. 4 is O type three-position four-way valve schematic diagram.
Fig. 5 is Y type three-position four-way valve schematic diagram.
In the drawings, 1, unloading valve 2,2# motor 3, low pressure and mass flow pump 4, high-pressure low-flow pump 5,1# motor 6, relief valve 7, one-way valve 1, pressure meter switch 1, pressure gauge 1, stop valve 11, O type three-position four-way electromagnetic directional valve 12, bi-bit bi-pass solenoid directional control valve 13, series flow control valve 14, main jacking hydraulic cylinder 15,3# motor 16, oil hydraulic pump 17, relief valve 18, one-way valve 2 19, pressure meter switch 2 20, pressure gauge 2 21, Y type three-position four-way electromagnetic directional valve 22, hydraulic two-way lock 23, correction oil cylinder.
Embodiment
Below in conjunction with Fig. 1, 2, 3, 4, 5 illustrate the utility model, a kind of soil pressing balance pipe jacking machine hydraulic pressure installation, and it comprises unloading valve (1), 2# motor (2), low pressure and mass flow pump (3), high-pressure low-flow pump (4), 1# motor (5), relief valve (6), one-way valve one (7), pressure meter switch one (8), pressure gauge one (9), stop valve (10), O type three-position four-way electromagnetic directional valve (11), bi-bit bi-pass solenoid directional control valve (12), series flow control valve (13), main jacking hydraulic cylinder (14), 3# motor (15), oil hydraulic pump (16), relief valve (17), one-way valve two (18), pressure meter switch two (19), pressure gauge two (20), Y type three-position four-way electromagnetic directional valve (21), hydraulic two-way lock (22), correction oil cylinder (23), the utility model is made up of main top hydraulic system and correction hydraulic system, described main top hydraulic system is by 1# motor (5) energizes high-pressure low-capacity pump (4), 2# motor (2) energize low-pressure high-capacity pump (3), low pressure and mass flow pump (3) and the rear end of high-pressure low-flow pump (4) are connected three O type three-position four-way electromagnetic directional valve (11) respectively, each O type three-position four-way electromagnetic directional valve (11) rear end connects two main jacking hydraulic cylinders (14), inflow pipeline is connected with O type three-position four-way electromagnetic directional valve (11) by P mouth, O type three-position four-way electromagnetic directional valve (11) is connected with two-position two-way solenoid valve selector valve (12) and series flow control valve (13) respectively by A mouth, last inflow pipeline is connected with main jacking hydraulic cylinder (14) filler opening, O type three-position four-way electromagnetic directional valve (11) is connected with main jacking hydraulic cylinder (14) oil outlet by B mouth, correction hydraulic system drives oil hydraulic pump (16) fuel feeding by 3# motor (15), oil hydraulic pump (16) rear end connects four Y type three-position four-way electromagnetic directional valve (21), A mouth and the B mouth of Y type three-position four-way electromagnetic directional valve (21) are connected the single-phase lock of hydraulic pressure respectively and form hydraulic two-way lock (22), and hydraulic two-way lock (22) outlet is connected with the filler opening of correction oil cylinder (23) and oil outlet respectively.
Described deviation correction control system is provided with the self-locking circuit of hydraulic two-way lock (22).
The elongation of described main top control system by double pump fuel control main jacking hydraulic cylinder (14) and the speed of retraction.
The speed that series flow control valve (13) adjustable main jacking hydraulic cylinder (14) work of described main top control system is entered.
It is non-loaded when described main top hydraulic system is started working, start 1# motor (5) and 2# motor (2), connect the 1YV of O type three-position four-way electromagnetic directional valve (11) simultaneously, 3YV, 5YV, 7YV, 8YV, 9YV, 10YV, 11YV and 12YV, at this moment hydraulic oil gives oil circuit fuel feeding together by high-pressure low-flow pump (4) and low pressure and mass flow pump (3), the P mouth that high pressure oil flows to O type three-position four-way electromagnetic directional valve (11) through one-way valve one (7) and stop valve (10) enters the outflow of A mouth, A mouth is communicated with bi-bit bi-pass solenoid directional control valve (12), last high pressure oil enters the filler opening of main jacking hydraulic cylinder (14), main top system is advanced fast.When main jacking hydraulic cylinder (14) touches concrete tube coupling or push-bench soon, main top hydraulic system need transfer work to and enter state, 2# motor (2) quits work, the 7YV of O type three-position four-way electromagnetic directional valve (11) simultaneously, 8YV, 9YV, 10YV, 11YV and 12YV power-off, at this moment hydraulic oil passes through high-pressure low-flow pump (4) to oil circuit fuel feeding, the P mouth that high pressure oil flows to O type three-position four-way electromagnetic directional valve (11) through one-way valve one (7) and stop valve (10) enters the outflow of B mouth, series flow control valve (13) is flowed into again from B mouth, finally enter the filler opening of main jacking hydraulic cylinder (14), the speed that main top system is entered with work is advanced.After jacking end-of-job, when main jacking hydraulic cylinder (14) is return, 1# motor (5) and 2# motor (2) all start, connect the 1YV of O type three-position four-way electromagnetic directional valve (11) simultaneously, 3YV, 5YV, 7YV, 8YV, 9YV, 10YV, 11YV and 12YV, at this moment hydraulic oil gives oil circuit fuel feeding together by high-pressure low-flow pump (4) and low pressure and mass flow pump (3), the P mouth that high pressure oil flows to O type three-position four-way electromagnetic directional valve (11) through one-way valve one (7) and stop valve (10) enters the outflow of B mouth, finally enter the oil outlet of main jacking hydraulic cylinder (14), main top system is return fast.
When described correction hydraulic system is as adjusted push-bench nose-up, start 3# motor (15), connect 17YV and 19YV of Y type three-position four-way electromagnetic directional valve (21) simultaneously, now hydraulic oil flows to one-way valve two (18) by oil hydraulic pump (16), finally enter from correction oil cylinder (23) filler opening, left bottom and bottom-right correction oil cylinder (23) extend, or connect 14YV and 16YV of Y type three-position four-way electromagnetic directional valve (21), now hydraulic oil flows to one-way valve two (18) by oil hydraulic pump (16), finally enter from correction oil cylinder (23) oil outlet, upper left side and top-right correction oil cylinder (23) shorten, push-bench nose-up.During as push-bench nose dip need be adjusted, connect 13YV and 15YV of Y type three-position four-way electromagnetic directional valve (21), now hydraulic oil flows to one-way valve two (18) by oil hydraulic pump (16), finally enter from correction oil cylinder (23) filler opening, upper left side and top-right correction oil cylinder (23) extend, or connect 18YV and 20YV of Y type three-position four-way electromagnetic directional valve (21), now hydraulic oil flows to one-way valve two (18) by oil hydraulic pump (16), finally enter from correction oil cylinder (23) oil outlet, left bottom and bottom-right correction oil cylinder (23) shorten, push-bench nose dip.During as push-bench Nose Left need be adjusted, connect 13YV and 19YV of Y type three-position four-way electromagnetic directional valve (21), now hydraulic oil flows to one-way valve two (18) by oil hydraulic pump (16), finally enter from correction oil cylinder (23) filler opening, upper right and bottom-right correction oil cylinder (23) extend, or connect 16YV and 18YV of Y type three-position four-way electromagnetic directional valve (21), now hydraulic oil flows to one-way valve two (18) by oil hydraulic pump (16), finally enter from correction oil cylinder (23) oil outlet, the correction oil cylinder (23) of upper left side and left bottom shortens, push-bench Nose Left.During as push-bench Airplane Nose Right need be adjusted, connect 15YV and 17YV of Y type three-position four-way electromagnetic directional valve (21), now hydraulic oil flows to one-way valve two (18) by oil hydraulic pump (16), finally enter from correction oil cylinder (23) filler opening, the correction oil cylinder (23) of upper left side and left bottom extends, or connect 14YV and 20YV of Y type three-position four-way electromagnetic directional valve (21), now hydraulic oil flows to one-way valve two (18) by oil hydraulic pump (16), finally enter from correction oil cylinder (23) oil outlet, upper right and bottom-right correction oil cylinder (23) shorten, push-bench Airplane Nose Right.
Table 1 main top system solenoid valve sequence of movement table
Table 2 deviation-rectifying system solenoid valve sequence of movement table
Above-described embodiment is described preferred implementation of the present utility model; not scope of the present utility model is limited; under the prerequisite not departing from the utility model design spirit; the various distortion that those of ordinary skill in the art make the technical solution of the utility model and improvement, all should fall in protection domain that the utility model claims determine.
Claims (2)
1. a soil pressing balance pipe jacking machine hydraulic pressure installation, it comprises unloading valve (1), 2# motor (2), low pressure and mass flow pump (3), high-pressure low-flow pump (4), 1# motor (5), relief valve (6), one-way valve one (7), pressure meter switch one (8), pressure gauge one (9), stop valve (10), O type three-position four-way electromagnetic directional valve (11), bi-bit bi-pass solenoid directional control valve (12), series flow control valve (13), main jacking hydraulic cylinder (14), 3# motor (15), oil hydraulic pump (16), relief valve (17), one-way valve two (18), pressure meter switch two (19), pressure gauge two (20), Y type three-position four-way electromagnetic directional valve (21), hydraulic two-way lock (22), correction oil cylinder (23), it is characterized in that, the utility model is made up of main top hydraulic system and correction hydraulic system, described main top hydraulic system is by 1# motor (5) energizes high-pressure low-capacity pump (4), 2# motor (2) energize low-pressure high-capacity pump (3), low pressure and mass flow pump (3) and the rear end of high-pressure low-flow pump (4) are connected three O type three-position four-way electromagnetic directional valve (11) respectively, each O type three-position four-way electromagnetic directional valve (11) rear end connects two main jacking hydraulic cylinders (14), inflow pipeline is connected with O type three-position four-way electromagnetic directional valve (11) by P mouth, O type three-position four-way electromagnetic directional valve (11) is connected with two-position two-way solenoid valve selector valve (12) and series flow control valve (13) respectively by A mouth, last inflow pipeline is connected with main jacking hydraulic cylinder (14) filler opening, O type three-position four-way electromagnetic directional valve (11) is connected with main jacking hydraulic cylinder (14) oil outlet by B mouth, correction hydraulic system drives oil hydraulic pump (16) fuel feeding by 3# motor (15), oil hydraulic pump (16) rear end connects four Y type three-position four-way electromagnetic directional valve (21), A mouth and the B mouth of Y type three-position four-way electromagnetic directional valve (21) are connected the single-phase lock of hydraulic pressure respectively and form hydraulic two-way lock (22), and hydraulic two-way lock (22) outlet is connected with the filler opening of correction oil cylinder (23) and oil outlet respectively.
2. a kind of soil pressing balance pipe jacking machine hydraulic pressure installation according to claim 1, it is characterized in that, described deviation correction control system is provided with the self-locking circuit of hydraulic two-way lock (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520967565.7U CN205173099U (en) | 2015-11-30 | 2015-11-30 | Earth pressure balanced pipe pushing jack hydraulic means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520967565.7U CN205173099U (en) | 2015-11-30 | 2015-11-30 | Earth pressure balanced pipe pushing jack hydraulic means |
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| Publication Number | Publication Date |
|---|---|
| CN205173099U true CN205173099U (en) | 2016-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520967565.7U Expired - Fee Related CN205173099U (en) | 2015-11-30 | 2015-11-30 | Earth pressure balanced pipe pushing jack hydraulic means |
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| CN (1) | CN205173099U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106545692A (en) * | 2016-12-29 | 2017-03-29 | 安徽唐兴机械装备有限公司 | A kind of push-bench bikini deviation-rectifying system |
| CN107965482A (en) * | 2017-09-01 | 2018-04-27 | 广州宏途设备工程有限公司 | A kind of bracing members prestressing force classification application system accurately controlled |
| CN108843856A (en) * | 2018-08-09 | 2018-11-20 | 徐州徐工基础工程机械有限公司 | Push-bench and its control method |
| CN108930677A (en) * | 2018-08-16 | 2018-12-04 | 安徽卓科智能装备有限公司 | A kind of push-bench commutation valve group |
| CN108930678A (en) * | 2018-08-16 | 2018-12-04 | 安徽卓科智能装备有限公司 | A kind of push-bench four-point deviation-rectifying system |
-
2015
- 2015-11-30 CN CN201520967565.7U patent/CN205173099U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106545692A (en) * | 2016-12-29 | 2017-03-29 | 安徽唐兴机械装备有限公司 | A kind of push-bench bikini deviation-rectifying system |
| CN107965482A (en) * | 2017-09-01 | 2018-04-27 | 广州宏途设备工程有限公司 | A kind of bracing members prestressing force classification application system accurately controlled |
| CN108843856A (en) * | 2018-08-09 | 2018-11-20 | 徐州徐工基础工程机械有限公司 | Push-bench and its control method |
| CN108843856B (en) * | 2018-08-09 | 2023-11-21 | 徐州徐工基础工程机械有限公司 | Push bench and control method thereof |
| CN108930677A (en) * | 2018-08-16 | 2018-12-04 | 安徽卓科智能装备有限公司 | A kind of push-bench commutation valve group |
| CN108930678A (en) * | 2018-08-16 | 2018-12-04 | 安徽卓科智能装备有限公司 | A kind of push-bench four-point deviation-rectifying system |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160420 Termination date: 20161130 |