CN109083149B - A concrete placement die carrier for high slope large-span side slope - Google Patents
A concrete placement die carrier for high slope large-span side slope Download PDFInfo
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- CN109083149B CN109083149B CN201810795413.1A CN201810795413A CN109083149B CN 109083149 B CN109083149 B CN 109083149B CN 201810795413 A CN201810795413 A CN 201810795413A CN 109083149 B CN109083149 B CN 109083149B
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- pouring
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
- E02D15/02—Handling of bulk concrete specially for foundation or hydraulic engineering purposes
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/20—Securing of slopes or inclines
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2250/00—Production methods
- E02D2250/0023—Cast, i.e. in situ or in a mold or other formwork
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A10/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
- Y02A10/23—Dune restoration or creation; Cliff stabilisation
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
- Road Paving Structures (AREA)
Abstract
The invention belongs to the technical field of side slope construction, and particularly relates to a concrete pouring formwork for a high-slope large-span side slope, which solves the problem that a high-cost-performance concrete pouring device is lack in the existing high-slope large-span side slope support. The invention can complete the integral effective positioning of the slope concrete pouring formwork by utilizing the lower supporting and traveling unit and the upper supporting and traveling unit, and the pouring formwork with larger specification can be hung by the formwork support connected between the lower supporting and traveling unit and the upper supporting and traveling unit, thereby having great application value for the concrete pouring of the high-slope large-span slope.
Description
Technical Field
The invention belongs to the technical field of slope construction, and particularly relates to a concrete pouring formwork for a high-slope large-span slope.
Background
In the existing road slope protection engineering, common modes comprise stone filling and stone slurry filling, the modes completely depend on manual operation, so that the construction cost is high, the construction quality is difficult to be effectively ensured along with the continuous lapse of the service time, and the construction quality is particularly outstanding in areas with poor stability and large water content of soil bodies and mountain bodies. In order to ensure engineering quality and eliminate potential safety hazards possibly remained in future, the country gradually adopts concrete pouring to replace the concrete pouring. Because the side slope is in an inverted trapezoid shape, after the side slope basal surface is treated, the most important work before concrete pouring is the erection of the template and the moving and re-erection process of the template after the template is constructed.
In order to facilitate construction, a person skilled in the relevant field designs various movable sliding forms, mainly comprising a track type and a trolley type, which can carry a side slope pouring template and realize movement thereof, and a certain effect is achieved in a specific engineering example. Along with the rapid development of the construction technology and the continuous investment of the country to the foundation construction, the building body is continuously increased, the engineering is gradually extended to the area with poor geological conditions, and the related side slope support also presents double increase of the height and the span, which all provide higher challenges for the original side slope support equipment. For example, the volume of the side slope supporting trolley is in direct proportion to the height of the side slope, and the larger the side slope is, the larger the volume of the trolley is, so that the manufacturing cost of the trolley is greatly increased, and the larger the trolley is, the higher the requirement of the field is.
It is important to see whether a concrete casting device suitable for a high-slope large-span slope exists.
Disclosure of Invention
The invention provides a concrete pouring die carrier for a high-slope large-span side slope, which aims to solve the problem that a high-cost-performance concrete pouring device is lacked in the existing high-slope large-span side slope support.
The invention is realized by the following technical scheme: the concrete pouring formwork for the high-slope large-span side slope comprises a lower supporting and walking unit, an upper supporting and walking unit, a formwork support and a formwork, wherein the lower supporting and walking unit and the upper supporting and walking unit are respectively arranged at the bottom and the top of the side slope; the upper supporting walking unit comprises an upper frame, the upper frame is in a door-shaped arrangement, bottom supporting legs of the upper frame are fixed on an upper bottom cross beam, rail wheels perpendicular to the ground are arranged at the bottom of the upper bottom cross beam, the end parts of the upper bottom cross beam are fixed with a template support, one end of a second hydraulic adjusting rod is connected to the side face of the upper frame, the other end of the second hydraulic adjusting rod is connected with the template support, connecting rods are symmetrically hinged to the bottom of the template support, the other ends of the connecting rods are respectively fixed with a pouring template, third hydraulic adjusting rods are arranged between the template support and the connecting rods, three first fixed pulleys are arranged on the upper portion of the template support, two first fixed pulleys are arranged in the lower supporting walking unit area, one first fixed pulley is arranged on the upper supporting walking unit area, one second fixed pulley is arranged on the side of the upper bottom cross beam, the first electric hoist is connected with a nearby suspender after sequentially passing through the two first fixed pulleys through steel wires, and the second electric hoist is connected with another suspender after sequentially passing through the second fixed pulleys and one first fixed pulley through the steel wires.
The rail wheel is arranged on the rail, the rail is a steel rail, the spacer at the lower part of the steel rail is provided with a sleeper, the sleeper is arranged on a concrete hardened pavement, and the mark number of the concrete hardened pavement is not lower than C20.
The connecting rod is vertically fixed with the template support, high-strength bolts are adopted for fixing, and the vertical fixation is favorable for keeping stable stress between the pouring template and the template support.
The pouring template is formed by splicing and combining a plurality of template units, the template units are spliced by bolts, no obvious gaps or dislocation exists at the joint of the surfaces of the templates, and the two ends of the pouring template are respectively provided with a baffle plate which can be connected with the top and the bottom of the slope.
In order to ensure the overall stability of the pouring die carrier, the counterweights are arranged on two sides of the first electric hoist and the second electric hoist.
The rail wheels are driven by the motor and the speed reducer in a matched mode, and the motor and the speed reducer used by the two rail wheels positioned on the lower supporting walking unit and the upper supporting walking unit are respectively of the same model.
The pouring template is provided with a plurality of flat plate vibrators at intervals on one side close to the template support.
Before the slope concrete is poured, the gradient value of the template support is determined according to the designed and selected slope gradient value, and the gradient value of the template support is within +/-5 degrees of the slope gradient value, and the gradient values of the template support and the slope value are the same.
The first hydraulic adjusting rod, the second hydraulic adjusting rod, the third hydraulic adjusting rod and the fourth hydraulic adjusting rod are all hinged in connection at two ends.
Compared with the prior art, the invention has the specific technical characteristics and beneficial effects that:
the invention has simple structure and reasonable design, realizes the support and the travel of the concrete pouring formwork by utilizing the lower support traveling unit and the upper support traveling unit, ensures that the formwork support is stressed stably due to the special components and the structural form, realizes the telescopic and adjustable of the formwork through the hydraulic adjusting rod and the electric hoist, is convenient for various positioning before and after the concrete pouring, and can adapt to different slope gradients; especially, the economic adaptability of the device can be better shown for the conditions of higher slope height and larger span. The invention obtains satisfactory effect after the concrete pouring test application of the high-slope large-span side slope, and is worthy of large-area popularization and application.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of the lower support walking unit of FIG. 1;
fig. 3 is a schematic view of the upper support walking unit of fig. 1.
In the figure: the concrete-filled self-supporting and self-supporting building block comprises a 1-lower supporting and self-supporting walking unit, a 2-upper supporting and self-supporting walking unit, a 3-formwork support, a 4-pouring formwork, a 5-first hydraulic adjusting rod, a 6-second hydraulic adjusting rod, a 7-third hydraulic adjusting rod, an 8-lower support vertical rod, a 9-lower support horizontal rod, a 10-extension rod, a 11-fourth hydraulic adjusting rod, a 12-lower bottom cross beam, a 13-rail wheel, a 14-first electric hoist, a 15-wire rope, a 16-first fixed pulley, a 17-suspender, a 18-upper frame, a 19-upper bottom cross beam, a 20-second electric hoist, a 21-concrete-hardened road surface, a 22-connecting rod, a 23-rail, a 24-second fixed pulley and a 25-counterweight.
Detailed Description
The invention is further elucidated with reference to fig. 1 to 3, a concrete pouring formwork for a high-slope large-span side slope comprises a lower supporting and traveling unit 1, an upper supporting and traveling unit 2, a formwork support 3 and a formwork 4, wherein the lower supporting and traveling unit 1 and the upper supporting and traveling unit 2 are respectively arranged at the bottom and the top of the side slope, a formwork support 3 is arranged between the lower supporting and traveling unit 1 and the upper supporting and traveling unit 2, a pouring formwork 4 is connected at the lower part of the formwork support 3, two suspenders 17 are symmetrically arranged on the pouring formwork 4 in the direction towards the formwork support 3, the lower supporting and traveling unit 1 comprises a lower support upright 8, the top of the lower support upright 8 is connected with a lower support cross rod 9, a first electric hoist 14 is fixed at the center of the bottom of the lower support cross rod 9, an extension rod 10 and a fourth hydraulic adjusting rod 11 are respectively connected at the bottom of the lower support upright 8, a rail wheel 13 is connected at the bottom of the lower bottom cross rod 12, two first hydraulic adjusting rods 5 which are arranged in a splayed shape are connected at the ends of the lower support cross rod 9, and a first hydraulic adjusting rod 5 is fixed at the upper part of the upper support 3; the upper support walking unit 2 comprises an upper frame 18, the upper frame 18 is in a door-shaped arrangement, bottom supporting legs of the upper frame 18 are fixed on an upper bottom cross beam 19, rail wheels 13 perpendicular to the ground are arranged at the bottom of the upper bottom cross beam 19, the end part of the upper bottom cross beam 19 is fixed with a template support 3, one end of a second hydraulic adjusting rod 6 is connected to the side surface of the upper frame 18, the other end of the second hydraulic adjusting rod 6 is connected with the template support 3, a connecting rod 22 is symmetrically hinged to the bottom of the template support 3, the other ends of the connecting rods 22 are respectively fixed with a pouring template 4, a third hydraulic adjusting rod 7 is arranged between the template support 3 and the connecting rod 22, three first fixed pulleys 16 are arranged on the upper portion of the template support 3, two fixed pulleys 16 are arranged in the area of the lower support walking unit 1, one fixed pulley is arranged in the area of the upper support walking unit 2, one fixed pulley 24 is arranged on the side part of the upper bottom cross beam 19, the first electric hoist 14 sequentially passes through the two first fixed pulleys 16 by using a steel wire rope 15 and then is connected with a nearby suspender 17, and the second electric hoist 20 sequentially passes through the second fixed pulleys 24 and the first fixed pulleys 16 sequentially by using the steel wire rope 15 and then is connected with the other suspender 17.
The rail wheel 13 is arranged on the rail 23, the rail 23 is a steel rail, a sleeper is arranged at a spacer at the lower part of the steel rail, the sleeper is arranged on the concrete hardened road surface 21, and the mark number of the concrete hardened road surface 21 is not lower than C20. The connecting rod 22 is vertically fixed with the template support 3, and the fixing adopts high-strength bolts, so that the vertical fixation is beneficial to keeping stable stress between the pouring template 4 and the template support 3. The pouring template 4 is formed by splicing and combining a plurality of template units, the template units are spliced by bolts, no obvious gaps or dislocation exists at the joint of the surfaces of the templates, and the two ends of the pouring template 4 are respectively provided with a baffle plate which can be connected with the top and the bottom of the slope.
To ensure the overall stability of the casting mold frame, counterweights are provided on both sides of the first electric block 14 and the second electric block 24. The connection of the two ends of the first hydraulic adjusting rod 5, the second hydraulic adjusting rod 6, the third hydraulic adjusting rod 7 and the fourth hydraulic adjusting rod 11 is hinged.
The invention is specifically described below for side slope concrete casting.
Before side slope concrete placement:
the gradient value of the template support 3 is determined according to the designed and selected gradient value of the slope, and the gradient value of the template support 3 is within +/-5 degrees of the gradient value of the slope, and the gradient value of the template support 3 and the gradient value of the slope are the same. In the specific adjusting process, firstly, the connection angle between the upper bottom cross beam 19 and the template support 3 is determined according to a selected gradient value, the connection position of the upper bottom cross beam 19 and the template support 3 is provided with an inclined plane, and the upper bottom cross beam 19 and the template support 3 are fixed through a high-strength bolt; at the same time, the expansion and contraction amounts of the first hydraulic adjusting rod 5, the second hydraulic adjusting rod 6 and the fourth hydraulic adjusting rod 11 are respectively adjusted, so that all connecting points meet the stress requirement.
Further, the pouring template 4 is connected with the template bracket 3; specifically, the connecting rod 22 at the inner side of the pouring template 4 is hinged with the corresponding position of the template support 3, the third hydraulic adjusting rod 7 is respectively hinged with the template support 3 and the connecting rod 22, the first electric hoist 14 sequentially passes through the two first fixed pulleys 16 by using the steel wire rope 15 and then is connected with the nearby suspender 17, and the second electric hoist 20 sequentially passes through the second fixed pulley 24 and the rest of the first fixed pulleys 16 by using the steel wire rope 15 and then is connected with the other suspender 17.
Thus, all preparation work before pouring the side slope is finished.
In the slope concrete pouring process:
firstly, a motor and a speed reducer are started to realize the rotation of the rail wheel 13, and as the motor and the speed reducer are of the same model, the lower support walking unit 1 and the upper support walking unit 2 which are respectively positioned at the bottom and the top of a side slope can synchronously move until the lower support walking unit and the upper support walking unit are stopped after the lower support walking unit and the upper support walking unit are positioned at the position required by the design, so that the rail wheel 13 is required to be placed with iron shoes before and after the joint point of the rail 23 while the motor is self-locked to prevent the follow-up movement of the pouring die carrier.
The pouring needs to meet the requirement that the connecting rod 22 is perpendicular to the template support 3 and the pouring template 4, and the distance from the surface of the pouring template 4 to the side slope is the thickness of concrete to be poured, and anchor rods or reinforcing steel meshes should be applied in advance before the side slope concrete is poured. After the baffle plates which can be connected with the top and the bottom of the side slope are respectively arranged at the two ends of the pouring template 4, all preparation works of concrete pouring are satisfied.
Furthermore, the pump truck or the overhead pump is used for pouring slope concrete, and in the pouring process, the slab vibrator arranged on the inner side of the pouring template 4 is used for vibrating the pouring process, so that the pouring quality of the concrete is optimized.
And further, curing the poured side slope concrete. When the design required strength is reached, firstly, the baffle plates connected at the top and the bottom of the side slope are removed, the extension and the retraction of the third hydraulic adjusting rod 7 and the extension of the first electric hoist 14 and the second electric hoist 20 are respectively controlled, the upward or downward parallel movement of the pouring template 4 relative to the template support 3 is realized, the pouring template 5 and the connecting rod 22 are kept vertical at the moment, and the connecting rod 22 and the template support 3 deviate by a certain angle around the intersection point, so that the demoulding process of the pouring template 4 is completed.
Further, the iron shoes are removed, the self-locking of the motor is released, and the lower support walking unit 2 and the upper support walking unit 3 are controlled to move towards the area where the slope is not poured. And when the mould moves to the designed position, repeating the steps to finish slope concrete pouring of the next mould until all slope pouring is finished.
The invention can complete the integral effective positioning of the slope concrete pouring formwork by utilizing the lower supporting and traveling unit 1 and the upper supporting and traveling unit 2, and can suspend the pouring formwork 4 with larger specification by the formwork support 3 connected between the lower supporting and traveling unit and the upper supporting and traveling unit, thereby having great application value for the concrete pouring of the high-slope large-span slope.
Claims (9)
1. A concrete placement die carrier for high slope large-span side slope, is including lower part support walking unit (1), upper portion support walking unit (2), template support (3) and pouring template (4), its characterized in that: the lower support walking unit (1) and the upper support walking unit (2) are respectively arranged at the bottom and the top of a side slope, a template support (3) is arranged between the lower support walking unit (1) and the upper support walking unit (2), a pouring template (4) is connected to the lower part of the template support (3), two hanging rods (17) are symmetrically arranged on the pouring template (4) in the direction towards the template support (3), the lower support walking unit (1) comprises a lower support vertical rod (8), the top of the lower support vertical rod (8) is connected with a lower support cross rod (9), a first electric hoist (14) is fixed at the central position of the bottom of the lower support cross rod (9), an extension rod (10) and a fourth hydraulic adjusting rod (11) are respectively connected to the bottom of the lower support vertical rod (8), the extension rod (10) is fixed with the template support (3), a lower bottom cross rod (12) is connected to the bottom of the lower support cross rod (12), two splayed first hydraulic adjusting rods (5) are connected to the ends of the lower support cross rod (9), and the first hydraulic adjusting rods (5) are fixed to the upper support (3); the upper supporting walking unit (2) comprises an upper frame (18), the upper frame (18) is arranged in a shape of a door, the bottom supporting legs of the upper frame (18) are fixed on an upper bottom cross beam (19), the bottoms of the upper bottom cross beam (19) are provided with rail wheels (13) perpendicular to the ground, the end parts of the upper bottom cross beam (19) are fixed with a template support (3), one end of a second hydraulic adjusting rod (6) is connected with the side surface of the upper frame (18), the other end of the second hydraulic adjusting rod (6) is connected with the template support (3), the bottoms of the template support (3) are symmetrically hinged with connecting rods (22), the other ends of the connecting rods (22) are respectively fixed with a pouring template (4), a third hydraulic adjusting rod (7) is arranged between the template support (3) and the connecting rods (22), the two ends of the third hydraulic adjusting rod (7) are hinged, three first fixed pulleys (16) are arranged on the upper part of the template support (3), two fixed pulleys (16) are arranged in the lower supporting walking unit (1) area, one upper supporting walking unit (2) area is provided with one fixed pulley (19), the other fixed pulley (16) is arranged on the side part of the upper supporting walking unit (2), and the other fixed pulley (19) is connected with the second fixed pulley (16) through the first fixed pulley (14) through the second fixed pulleys (14), the second electric hoist (20) is connected with the other suspender (17) by utilizing the steel wire rope (15) after sequentially passing through the second fixed pulley (24) and one first fixed pulley (16).
2. A concrete placement form for high-grade large-span side slopes as set forth in claim 1, wherein: the rail wheel (13) is arranged on the rail (23), the rail (23) is a steel rail, a sleeper is arranged at a spacer at the lower part of the steel rail, the sleeper is arranged on a concrete hardened road surface (21), and the mark number of the concrete hardened road surface (21) is not lower than C20.
3. A concrete placement form for high-grade large-span side slopes as set forth in claim 2, wherein: the connecting rod (22) is vertically fixed with the template support (3), high-strength bolts are adopted for fixing, and the vertical fixation is favorable for keeping stable stress between the pouring template (4) and the template support (3).
4. A concrete placement form for high-grade large-span side slopes as described in claim 3, wherein: the pouring template (4) is formed by splicing and combining a plurality of template units, the template units are spliced by bolts, no obvious gaps or dislocation exists at the joint of the surfaces of the templates, and baffles capable of being connected with the top and the bottom of the slope are respectively arranged at two ends of the pouring template (4).
5. A concrete placement form for high-grade large-span side slopes as described in claim 4, wherein: in order to ensure the overall stability of the pouring die carrier, counterweights are arranged on two sides of the first electric hoist (14) and the second electric hoist (20).
6. A concrete placement form for high-grade large-span side slopes as described in claim 5, wherein: the rail wheels (13) are driven by a motor and a speed reducer in a matched mode, and the motor and the speed reducer used by the two rail wheels (13) positioned on the lower supporting walking unit (1) and the upper supporting walking unit (2) are respectively of the same model.
7. A concrete placement form for high-grade large-span side slopes as described in claim 6, wherein: the pouring template (4) is provided with a plurality of flat plate vibrators at intervals on one side close to the template support (3).
8. A concrete placement form for high-grade large-span side slopes as described in claim 7, wherein: and determining the gradient value of the template support according to the gradient value of the slope selected by design, wherein the gradient value of the template support is within +/-5 degrees of the gradient value of the slope, and the gradient value of the template support are the same.
9. A concrete placement form for high-grade large-span side slopes as described in any one of claims 1-8, wherein: the two ends of the first hydraulic adjusting rod (5), the second hydraulic adjusting rod (6) and the fourth hydraulic adjusting rod (11) are all hinged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810795413.1A CN109083149B (en) | 2018-07-19 | 2018-07-19 | A concrete placement die carrier for high slope large-span side slope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810795413.1A CN109083149B (en) | 2018-07-19 | 2018-07-19 | A concrete placement die carrier for high slope large-span side slope |
Publications (2)
| Publication Number | Publication Date |
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| CN109083149A CN109083149A (en) | 2018-12-25 |
| CN109083149B true CN109083149B (en) | 2023-08-04 |
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| CN201810795413.1A Active CN109083149B (en) | 2018-07-19 | 2018-07-19 | A concrete placement die carrier for high slope large-span side slope |
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