CN111963205A - Trolley three-section type pouring working method - Google Patents
Trolley three-section type pouring working method Download PDFInfo
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- CN111963205A CN111963205A CN202010702115.0A CN202010702115A CN111963205A CN 111963205 A CN111963205 A CN 111963205A CN 202010702115 A CN202010702115 A CN 202010702115A CN 111963205 A CN111963205 A CN 111963205A
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- 238000000034 method Methods 0.000 title claims abstract description 63
- 238000004140 cleaning Methods 0.000 claims abstract description 13
- 238000007667 floating Methods 0.000 claims abstract description 5
- 238000010992 reflux Methods 0.000 claims abstract description 4
- 238000007789 sealing Methods 0.000 claims description 25
- 238000005266 casting Methods 0.000 claims description 10
- 238000010276 construction Methods 0.000 claims description 5
- 230000002146 bilateral effect Effects 0.000 claims description 3
- 230000003111 delayed effect Effects 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 210000002445 nipple Anatomy 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 239000010865 sewage Substances 0.000 description 3
- 239000007921 spray Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/10—Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
- E21D11/105—Transport or application of concrete specially adapted for the lining of tunnels or galleries ; Backfilling the space between main building element and the surrounding rock, e.g. with concrete
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- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
A trolley three-section type pouring working method comprises a trial pouring method, a three-section type pouring method and a cleaning method; the platform truck is needle beam type platform truck, needle beam type platform truck includes: the device comprises a hydraulic source, an anti-floating jack, a vertical oil cylinder, a support, a demoulding oil cylinder, a concrete pouring assembly, a trolley main body and a control module; the concrete pouring component comprises a pouring joint and a pouring valve, wherein the pouring joint comprises a drainage surface, a lifting area, a pressure relief element, a pressure relief spring and a pressure relief channel; the control module comprises a controller and a timer; the three-stage pouring method comprises the following steps: a large-flow pouring method, a small-flow pouring method and a reflux method.
Description
Technical Field
The invention relates to the field of inverted siphon engineering, in particular to a trolley three-section type pouring working method.
Background
With the progress of science and technology, the problem of uneven distribution of water sources is obvious, and for arid areas, it is particularly important to build long-distance ditches or waterways and dispatch water from areas with rich water sources to water diversion ports and downstream along the way. When the channel meets a level crossing road or a ditch, the problem is usually solved by an inverted siphon technology, and water passes through the road or the ditch. The inverted siphon engineering has the advantages of convenient construction, low cost and the like. The inverted siphon technology is widely used in China, inverted siphon engineering is arranged, and water resources are transmitted through inverted siphon tunnels with straight sections and inclined sections. In inverted siphon engineering, needle beam type trolleys are often used for lining, casting and other operations.
The needle beam type trolley in the prior art has the following defects:
1. the needle beam type trolley in the prior art is provided with a pressure relief structure aiming at the problem of excessive expansion in the concrete pouring process, however, the pressure relief structure is complicated and occupies a large volume, and the chain reaction caused by the pressure relief structure is that a support structure is additionally arranged.
The needle beam type trolley in the prior art sets up the pressure relief structure to the excessive inflation problem in the concrete pouring process, however only considers the pressure relief, does not consider the discharge problem after the pressure relief, often leads to discharging the pollution trolley at will.
The needle beam type trolley in the prior art has the advantages that the pouring nozzle directly sprays concrete, the flow direction problem after the concrete is sprayed is not considered, and the flow direction of the concrete cannot be accurately controlled.
The needle beam type trolley in the prior art has a valve to control pouring in the pouring process, however, pouring materials are often remained on the valve, and the valve plate is polluted quickly to influence the further use of the valve plate.
The needle beam type trolley in the prior art has the advantages that the volume of a pouring nozzle is small, and more functional difficulties in machining or realization are large.
The pouring valve in the prior art causes sewage crossflow during cleaning, and is difficult to collect sewage by a good cleaning means.
And when the trolley in the prior art is used for pouring the lining, the pouring is extensive, the accurate control of the pouring amount is difficult to realize, and various problems such as waste, pollution, mold expansion and the like are caused.
Disclosure of Invention
In order to overcome the above problems, the present invention proposes a solution to solve the above problems simultaneously.
The technical scheme adopted by the invention for solving the technical problems is as follows: a trolley three-section type pouring working method comprises a trial pouring method, a three-section type pouring method and a cleaning method; the platform truck is needle beam type platform truck, needle beam type platform truck includes: the device comprises a hydraulic source, an anti-floating jack, a vertical oil cylinder, a support, a demoulding oil cylinder, a concrete pouring assembly, a trolley main body and a control module; the concrete pouring component comprises a pouring joint and a pouring valve, wherein the pouring joint comprises a drainage surface, a lifting area, a pressure relief element, a pressure relief spring and a pressure relief channel; the drainage surface guides the concrete to flow obliquely so that a shielding area appears on the casting surface, and the pressure relief channel comprises a casting joint section and a casting valve section; the tail end of the pouring valve section is provided with an outlet, the pouring valve comprises a sealing plate, a valve rod, a driving device, a pivot, a valve body, a valve sleeve, a flange sleeve and a supporting plate, and the valve rod comprises a first shaft section and a second shaft section; the valve plate comprises a first guide surface, a second guide surface, a blanking port, a first channel section, a second channel section, a third channel section, a blanking ball and a blanking spring; the pouring joint section of the pressure relief channel comprises a first section of hole, a second section of hole and a third section of hole; the locking sleeve is connected in the section of hole in a threaded manner; the control module comprises a controller and a timer; the three-stage pouring method comprises the following steps: a large-flow pouring method, a small-flow pouring method, a reflux method;
the outer edge of a nozzle of the pouring joint is provided with a drainage surface, the drainage surface is obliquely arranged, the pouring joint comprises a pouring section and a connecting section, the pouring section is positioned above the pouring surface, the connecting section is positioned below the pouring surface, and the connecting section is detachably connected with the pouring valve; the lower section of the pouring section is provided with a lifting area, a pressure relief opening is arranged above the lifting area and is positioned in a section of hole, the locking sleeve is of an inner-outer nested structure, the length of an outer-layer nested structure is the same as that of the section of hole, the length of an inner-layer nested structure is smaller than that of the section of hole, and the shape of the inner-layer nested structure is matched with that of the pressure relief element; the pressure relief spring is arranged in the second-section hole, the inner diameter of the first-section hole is larger than that of the second-section hole, and the inner diameter of the second-section hole is larger than that of the third-section hole; the pressure relief spring is abutted against a shoulder between the two-section hole and the three-section hole;
the pivot is arranged on the inner wall of the valve body, the sealing plate rotates around the pivot, the discharge port is closed when the sealing plate is closed, the sealing plate is horizontally arranged when the sealing plate is opened, and the sealing plate is horizontally arranged and is positioned above the valve plate; the angle between the first guide surface and the horizontal plane is larger than the angle between the second guide surface and the horizontal plane, the blanking port is positioned on the left side of the upper surface of the valve plate, the first channel section and the second channel section gradually decrease from two sides to the inner diameter of the center, the third channel section is vertically arranged, the blanking ball and the blanking spring are positioned in the second channel section, a valve sleeve extends out of the valve body, the valve sleeve is connected with the flange sleeve through a bolt, the diameter of the second channel section is larger than that of the first shaft section, a support plate is sleeved on the outer side of the second channel section, and the support plate is connected with the driving device through a connecting piece;
the trial pouring method comprises the following steps: when the first pouring is carried out in lining construction, the controller controls the driving device to drive the valve plate to be completely opened, the time of the completion of the first pouring is timed, and the time t is obtained and used as reference time; when the valve plate is opened, the upward flowing concrete impacts the sealing plate, so that the sealing plate pivots to close the discharge port; obtaining the total pouring quantity L within the pouring time t by controlling the pouring speed;
the large-flow pouring method comprises the following steps: when pouring again, the controller controls the driving device to drive the valve plate to be completely opened, the timer counts pouring time and pours t1 time, and t1< t;
the small-flow pouring method comprises the following steps: after the time of pouring is t1, the driving device controls the valve plate part to close to continue pouring, the timer counts the pouring time and pours the time t2, t2 is less than t1, t1+ t2, the sum of the pouring amount in the time t1 and t2 is controlled to be the total pouring amount L;
the reflow method comprises the following steps: after the large-flow and small-flow pouring steps are completely finished, the valve plate is closed, because the valve plate of the pouring valve is closed and delayed, additionally poured concrete is filled in the shielding area and the lifting area, the pressure relief element is jacked open to enter the pressure relief channel and be discharged from the discharge port, the discharged concrete enters the blanking port through the first guide surface and the second guide surface, and the blanking ball in the second channel section is jacked open to enable the concrete to flow back;
the cleaning method comprises the following steps: after the machine is stopped, cleaning liquid is sprayed and washed above the valve plate, so that the residual concrete enters the blanking port through the first guide surface and the second guide surface, and the blanking ball in the second channel section is jacked to fall down.
Further, the pouring joint is arranged on the top of the needle beam type trolley.
Furthermore, the number of the pressure relief channels is at least two, and the pressure relief channels are arranged in a bilateral symmetry mode.
Furthermore, the pouring joint is arranged on the side of the needle beam type trolley.
Furthermore, the pressure relief channel is one and is located at the lower side of the pouring joint.
Further, the pressure relief element is hemispherical.
Further, the third channel section is located on the right side of the lower surface of the valve plate.
Furthermore, the three sections of holes comprise transverse holes and vertical holes.
Further, the vertical bore extends through the pouring nipple into the valve body of the pouring valve.
Further, the outer surface of the outer nesting is provided with threads.
The invention has the beneficial effects that:
1. to the 1 st point of the background art, an integrated structure is adopted, a pressure relief structure and a storage structure of pressure relief materials are integrated into an original spray head and an original valve, extra volume is not added at all, and more functions are realized.
The 2 nd point to background art, the material flow direction after the pressure release is set for former way and returns, specifically for in flowing back the pipeline through valve plate and return circuit, both retrieved the material, need not increase extra material again and store collection device, reduced redundant part and volume.
And aiming at the 3 rd point of the background technology, two schemes are adopted:
1) the design of drainage face for spun concrete has an inclination, has appeared shielding the district under the inclination, shields the district and provides a temporary safe space, avoids the unexpected entering pressure release passageway of concrete.
) The design of raising the district for the concrete that gets into the shielding district occasionally also can not get into the pressure release passageway, thereby the accurate demand that only can the pressure release when the pressure release operating mode of realizing.
And aiming at the 4 th point of the background technology, the design of arranging the blanking path in the valve plate is adopted, so that the material is not remained, and the cleaning period of the valve plate is prolonged.
And 5, aiming at the background technology, the design of three sections of holes is adopted and matched with a locking sleeve, so that the processing difficulty is greatly reduced, and no additional closing or necking of the one-way valve port is needed.
And 6 th point to the background art, because the valve is short in distance with the upper end of the pouring joint, the valve plate is directly blown or sprayed with water from the upper part, and sewage or residual materials directly fall from the blanking path without any pollution.
And aiming at the 7 th point of the background technology, a three-section type pouring method is adopted, and the precise control of the pouring quantity of the cast-in-place is realized.
Note: the foregoing designs are not sequential, each of which provides a distinct and significant advance in the present invention over the prior art.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic view of a needle bar trolley according to the present invention
FIG. 2 is a cross-sectional view of the needle bar trolley of the present invention
FIG. 3 is a schematic diagram of the pouring structure of the present invention
FIG. 4 is an enlarged view of a portion of a pouring valve in the pouring structure of the present invention
FIG. 5 is an enlarged view of a portion of a pressure relief element in a molded construction of the invention
In the figures, the reference numerals are as follows:
1. the device comprises a needle beam type trolley 2, a hydraulic source 3, an anti-floating jack 4, a vertical oil cylinder 5, a support 6, a demoulding oil cylinder 7, a concrete pouring component 8, a trolley main body 9, a pouring joint 10, a pouring valve 11, a pouring surface 12, a drainage surface 13, a shielding area 14, a lifting area 15, a pressure relief element 16, a pressure relief spring 17, a pressure relief channel 18, a discharge port 19, a sealing plate 20, a valve plate 21, a valve rod 22, a driving device 23, a pivot shaft 24, a first guide surface 25, a second guide surface 26, a blanking port 27, a first channel section 28, a blanking ball 29, a third channel section 30, a second channel section 31, a blanking spring 32, a valve sleeve 33, a flange sleeve 34, a second channel section 35, a support plate 36, a first shaft section 37, a valve body 151, a section of hole 152, a second section of hole 153, a third section of.
Detailed Description
As shown in the figure: a trolley three-section type pouring working method comprises a trial pouring method, a three-section type pouring method and a cleaning method; the platform truck is needle beam type platform truck, needle beam type platform truck includes: the device comprises a hydraulic source, an anti-floating jack, a vertical oil cylinder, a support, a demoulding oil cylinder, a concrete pouring assembly, a trolley main body and a control module; the concrete pouring component comprises a pouring joint and a pouring valve, wherein the pouring joint comprises a drainage surface, a lifting area, a pressure relief element, a pressure relief spring and a pressure relief channel; the drainage surface guides the concrete to flow obliquely so that a shielding area appears on the casting surface, and the pressure relief channel comprises a casting joint section and a casting valve section; the tail end of the pouring valve section is provided with an outlet, the pouring valve comprises a sealing plate, a valve rod, a driving device, a pivot, a valve body, a valve sleeve, a flange sleeve and a supporting plate, and the valve rod comprises a first shaft section and a second shaft section; the valve plate comprises a first guide surface, a second guide surface, a blanking port, a first channel section, a second channel section, a third channel section, a blanking ball and a blanking spring; the pouring joint section of the pressure relief channel comprises a first section of hole, a second section of hole and a third section of hole; the locking sleeve is connected in the section of hole in a threaded manner; the control module comprises a controller and a timer; the three-stage pouring method comprises the following steps: a large-flow pouring method, a small-flow pouring method, a reflux method;
as shown in the figure: the outer edge of a nozzle of the pouring joint is provided with a drainage surface, the drainage surface is obliquely arranged, the pouring joint comprises a pouring section and a connecting section, the pouring section is positioned above the pouring surface, the connecting section is positioned below the pouring surface, and the connecting section is detachably connected with the pouring valve; the lower section of the pouring section is provided with a lifting area, a pressure relief opening is arranged above the lifting area and is positioned in a section of hole, the locking sleeve is of an inner-outer nested structure, the length of an outer-layer nested structure is the same as that of the section of hole, the length of an inner-layer nested structure is smaller than that of the section of hole, and the shape of the inner-layer nested structure is matched with that of the pressure relief element; the pressure relief spring is arranged in the second-section hole, the inner diameter of the first-section hole is larger than that of the second-section hole, and the inner diameter of the second-section hole is larger than that of the third-section hole; the pressure relief spring is abutted against a shoulder between the two-section hole and the three-section hole;
as shown in the figure: the pivot is arranged on the inner wall of the valve body, the sealing plate rotates around the pivot, the discharge port is closed when the sealing plate is closed, the sealing plate is horizontally arranged when the sealing plate is opened, and the sealing plate is horizontally arranged and is positioned above the valve plate; the angle between the first guide surface and the horizontal plane is larger than the angle between the second guide surface and the horizontal plane, the blanking port is positioned on the left side of the upper surface of the valve plate, the first channel section and the second channel section gradually decrease from two sides to the inner diameter of the center, the third channel section is vertically arranged, the blanking ball and the blanking spring are positioned in the second channel section, a valve sleeve extends out of the valve body, the valve sleeve is connected with the flange sleeve through a bolt, the diameter of the second channel section is larger than that of the first shaft section, a support plate is sleeved on the outer side of the second channel section, and the support plate is connected with the driving device through a connecting piece;
the trial pouring method comprises the following steps: when the first pouring is carried out in lining construction, the controller controls the driving device to drive the valve plate to be completely opened, the time of the completion of the first pouring is timed, and the time t is obtained and used as reference time; when the valve plate is opened, the upward flowing concrete impacts the sealing plate, so that the sealing plate pivots to close the discharge port; obtaining the total pouring quantity L within the pouring time t by controlling the pouring speed;
the large-flow pouring method comprises the following steps: when pouring again, the controller controls the driving device to drive the valve plate to be completely opened, the timer counts pouring time and pours t1 time, and t1< t;
the small-flow pouring method comprises the following steps: after the time of pouring is t1, the driving device controls the valve plate part to close to continue pouring, the timer counts the pouring time and pours the time t2, t2 is less than t1, t1+ t2, the sum of the pouring amount in the time t1 and t2 is controlled to be the total pouring amount L;
the reflow method comprises the following steps: after the large-flow and small-flow pouring steps are completely finished, the valve plate is closed, because the valve plate of the pouring valve is closed and delayed, additionally poured concrete is filled in the shielding area and the lifting area, the pressure relief element is jacked open to enter the pressure relief channel and be discharged from the discharge port, the discharged concrete enters the blanking port through the first guide surface and the second guide surface, and the blanking ball in the second channel section is jacked open to enable the concrete to flow back;
the cleaning method comprises the following steps: after the machine is stopped, cleaning liquid is sprayed and washed above the valve plate, so that the residual concrete enters the blanking port through the first guide surface and the second guide surface, and the blanking ball in the second channel section is jacked to fall down.
As shown in the figure: the pouring joint is arranged on the top of the needle beam type trolley. The pressure relief channels are at least two and are arranged in bilateral symmetry. The pouring joint is arranged on the side of the needle beam type trolley. The pressure relief channel is one and is located at the lower side of the pouring joint. The pressure relief element is hemispherical. The third channel section is located the valve plate lower surface right side. The three sections of holes comprise transverse holes and vertical holes. The vertical bore extends through the pouring nipple into the valve body of the pouring valve. The outer surface of the outer layer nesting is provided with threads.
The above detailed description is specific to possible embodiments of the present invention, and the embodiments are not intended to limit the scope of the present invention, and all equivalent implementations or modifications that do not depart from the scope of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A trolley three-section type pouring working method is characterized by comprising a trial pouring method, a three-section type pouring method and a cleaning method; the platform truck is needle beam type platform truck, needle beam type platform truck includes: the hydraulic source, the anti-floating jack, the vertical oil cylinder, the support, the demolding oil cylinder, the concrete pouring assembly, the trolley main body and the control module; the concrete pouring component comprises a pouring joint and a pouring valve, wherein the pouring joint comprises a drainage surface, a lifting area, a pressure relief element, a pressure relief spring and a pressure relief channel; the drainage surface guides the concrete to flow obliquely so that a shielding area appears on the casting surface, and the pressure relief channel comprises a casting joint section and a casting valve section; the tail end of the pouring valve section is provided with an outlet, the pouring valve comprises a sealing plate, a valve rod, a driving device, a pivot, a valve body, a valve sleeve, a flange sleeve and a supporting plate, and the valve rod comprises a first shaft section and a second shaft section; the valve plate comprises a first guide surface, a second guide surface, a blanking port, a first channel section, a second channel section, a third channel section, a blanking ball and a blanking spring; the pouring joint section of the pressure relief channel comprises a first section of hole, a second section of hole and a third section of hole; the locking sleeve is connected in the section of hole in a threaded manner; the control module comprises a controller and a timer; the three-stage pouring method comprises the following steps: a large-flow pouring method, a small-flow pouring method, a reflux method;
the outer edge of a nozzle of the pouring joint is provided with a drainage surface, the drainage surface is obliquely arranged, the pouring joint comprises a pouring section and a connecting section, the pouring section is positioned above the pouring surface, the connecting section is positioned below the pouring surface, and the connecting section is detachably connected with the pouring valve; the lower section of the pouring section is provided with a lifting area, a pressure relief opening is arranged above the lifting area and is positioned in a section of hole, the locking sleeve is of an inner-outer nested structure, the length of an outer-layer nested structure is the same as that of the section of hole, the length of an inner-layer nested structure is smaller than that of the section of hole, and the shape of the inner-layer nested structure is matched with that of the pressure relief element; the pressure relief spring is arranged in the second-section hole, the inner diameter of the first-section hole is larger than that of the second-section hole, and the inner diameter of the second-section hole is larger than that of the third-section hole; the pressure relief spring is abutted against a shoulder between the two-section hole and the three-section hole;
the pivot is arranged on the inner wall of the valve body, the sealing plate rotates around the pivot, the discharge port is closed when the sealing plate is closed, the sealing plate is horizontally arranged when the sealing plate is opened, and the sealing plate is horizontally arranged and is positioned above the valve plate; the angle between the first guide surface and the horizontal plane is larger than the angle between the second guide surface and the horizontal plane, the blanking port is positioned on the left side of the upper surface of the valve plate, the first channel section and the second channel section gradually decrease from two sides to the inner diameter of the center, the third channel section is vertically arranged, the blanking ball and the blanking spring are positioned in the second channel section, a valve sleeve extends out of the valve body, the valve sleeve is connected with the flange sleeve through a bolt, the diameter of the second channel section is larger than that of the first shaft section, a support plate is sleeved on the outer side of the second channel section, and the support plate is connected with the driving device through a connecting piece;
the trial pouring method comprises the following steps: when the first pouring is carried out in lining construction, the controller controls the driving device to drive the valve plate to be completely opened, the time of the completion of the first pouring is timed, and the time t is obtained and used as reference time; when the valve plate is opened, the upward flowing concrete impacts the sealing plate, so that the sealing plate pivots to close the discharge port; obtaining the total pouring quantity L within the pouring time t by controlling the pouring speed;
the large-flow pouring method comprises the following steps: when pouring again, the controller controls the driving device to drive the valve plate to be completely opened, the timer counts pouring time and pours t1 time, and t1< t;
the small-flow pouring method comprises the following steps: after the time of pouring is t1, the driving device controls the valve plate part to close to continue pouring, the timer counts the pouring time and pours the time t2, t2 is less than t1, t1+ t2, the sum of the pouring amount in the time t1 and t2 is controlled to be the total pouring amount L;
the reflow method comprises the following steps: after the large-flow and small-flow pouring steps are completely finished, the valve plate is closed, because the valve plate of the pouring valve is closed and delayed, additionally poured concrete is filled in the shielding area and the lifting area, the pressure relief element is jacked open to enter the pressure relief channel and be discharged from the discharge port, the discharged concrete enters the blanking port through the first guide surface and the second guide surface, and the blanking ball in the second channel section is jacked open to enable the concrete to flow back;
the cleaning method comprises the following steps: after the machine is stopped, cleaning liquid is sprayed and washed above the valve plate, so that the residual concrete enters the blanking port through the first guide surface and the second guide surface, and the blanking ball in the second channel section is jacked to fall down.
2. The trolley three-stage pouring work method according to claim 1, characterized in that: the pouring joint is arranged on the top of the needle beam type trolley.
3. The trolley three-stage pouring work method according to claim 2, characterized in that: the pressure relief channels are at least two and are arranged in bilateral symmetry.
4. The trolley three-stage pouring work method according to claim 1, characterized in that: the pouring joint is arranged on the side of the needle beam type trolley.
5. The trolley three-stage pouring work method according to claim 4, characterized in that: the pressure relief channel is one and is located at the lower side of the pouring joint.
6. The trolley three-stage pouring work method according to claim 1, characterized in that: the pressure relief element is hemispherical.
7. The trolley three-stage pouring work method according to claim 1, characterized in that: the third channel section is located the valve plate lower surface right side.
8. The trolley three-stage pouring work method according to claim 1, characterized in that: the three sections of holes comprise transverse holes and vertical holes.
9. The trolley three-stage pouring work method according to claim 8, characterized in that: the vertical bore extends through the pouring nipple into the valve body of the pouring valve.
10. The trolley three-stage pouring work method according to claim 1, characterized in that: the outer surface of the outer layer nesting is provided with threads.
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| CN202010702115.0A CN111963205B (en) | 2020-07-20 | 2020-07-20 | Trolley three-section type pouring working method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113982636A (en) * | 2021-09-24 | 2022-01-28 | 湖南路桥建设集团有限责任公司 | Quick automatic construction drawing of patterns platform truck of cable groove for tunnel |
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| CN110985048A (en) * | 2019-11-12 | 2020-04-10 | 中铁隧道股份有限公司 | Top mould vault slide formula slip casting mouth |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113982636A (en) * | 2021-09-24 | 2022-01-28 | 湖南路桥建设集团有限责任公司 | Quick automatic construction drawing of patterns platform truck of cable groove for tunnel |
| CN113982636B (en) * | 2021-09-24 | 2024-04-12 | 湖南路桥建设集团有限责任公司 | Quick automatic construction drawing of patterns platform truck of cable duct for tunnel |
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