CN219099737U - Automatic hydraulic adjusting device for frame mould of asphalt concrete paver - Google Patents
Automatic hydraulic adjusting device for frame mould of asphalt concrete paver Download PDFInfo
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- CN219099737U CN219099737U CN202222624265.1U CN202222624265U CN219099737U CN 219099737 U CN219099737 U CN 219099737U CN 202222624265 U CN202222624265 U CN 202222624265U CN 219099737 U CN219099737 U CN 219099737U
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Abstract
The utility model relates to the field of asphalt core wall filling devices, in particular to a frame die hydraulic automatic adjusting device of an asphalt concrete paver, which comprises a frame die and a bidirectional hydraulic cylinder, wherein the frame die is arranged below a hopper of the paver and comprises a fixed welding plate, two fixing plates and two connecting frames, the two fixing plates are arranged in parallel relatively, and the two connecting frames are arranged in parallel relatively; the bidirectional hydraulic cylinder is positioned between the two fixed plates, the movable ends of the bidirectional hydraulic cylinder are connected with the fixed plates, and the end parts of the connecting frames are respectively connected with the two fixed plates in a sliding manner. According to the asphalt core wall concrete paving and filling construction conditions, the automatic adjusting device which is compact in structure and convenient to operate is designed, the requirements of core wall concrete paving and filling quality can be met, the device is also suitable for asphalt concrete walls or roads with different width or gradual change width construction technical requirements, and the repeated dismantling and installing problems of the frame mould are avoided.
Description
Technical Field
The utility model relates to the field of asphalt core wall filling devices, in particular to a hydraulic automatic adjusting device for a frame die of an asphalt concrete paver.
Background
The power station consists of main buildings such as barrages, spillways, power station water inlets, diversion tunnels, pressure regulating wells, pressure pipelines, underground workshops, tail water tunnels and the like. The barrage is an asphalt core wall rock-fill dam structure, and the asphalt core wall is rolled and filled by graded asphalt concrete, such as the asphalt core wall structure shown in figure 1.
Asphalt concrete filling of the core wall is carried out by adopting an asphalt concrete paver, each layer of asphalt concrete paver has the paving thickness of 30cm, a 1.5 ton double steel wheel vibration roller is used for rolling, the two sides of the core wall are provided with graded filtering materials and the core wall are filled in parallel, the filtering materials are filled in parallel by two 3 ton double steel wheel vibration rollers and the core wall 1.5 ton vibration roller, and the blanking paving width of the asphalt concrete is realized by a frame die configured by the paver.
When the filling height of the asphalt core wall is gradually changed, the gradually changed filling width is difficult to realize by adopting the traditional shaping frame die, and the quality requirement and the progress requirement of core wall filling construction are affected. The asphalt concrete paver is configured into a plurality of shaping frame molds, the frame molds need to be replaced, removed and installed according to the rising filling height of the asphalt concrete of the core wall, the time required for each removal and installation is about 3 hours, the shaping frame molds are limited by the shaping width, and the gradual changing width of the core wall is difficult to meet the gradual changing smooth filling quality requirement.
Disclosure of Invention
Aiming at the problem that gradual change type core wall filling is difficult to realize in the prior art, the utility model provides a hydraulic automatic adjusting device for a frame mould of an asphalt concrete paver.
The utility model is realized by the following technical scheme:
the frame die comprises a fixed welding plate, two fixing plates and two connecting frames, wherein the two fixing plates are oppositely arranged in parallel, the two connecting frames are oppositely arranged in parallel, and the two fixing plates and the two connecting frames form a closed quadrangle; the bidirectional hydraulic cylinder is positioned between the two fixed plates, the movable ends of the bidirectional hydraulic cylinder are connected with the fixed plates, and the end parts of the connecting frames are respectively connected with the two fixed plates in a sliding manner.
Preferably, an oil cylinder top fixing frame is connected between the fixed welding plate and the bidirectional hydraulic oil cylinder.
Preferably, a fixed base is arranged at the top of the bidirectional hydraulic cylinder, and the fixed base is connected with a cylinder top fixing frame.
Preferably, the fixed base is connected with the cylinder top fixing frame by a flange.
Preferably, a plurality of bidirectional hydraulic cylinders are arranged, and the bidirectional hydraulic cylinders are arranged in parallel at intervals.
Preferably, the connecting frame comprises a supporting cross rod and a connecting vertical rod, one end of the connecting vertical rod is connected with the fixed welding plate, the other end of the connecting vertical rod is connected with the supporting cross rod, and two end parts of the supporting cross rod are respectively connected with the two fixed plates in a sliding mode.
Preferably, the end parts of the support cross bars are symmetrically provided with graduated scales.
Preferably, the scale of the graduated scale gradually decreases in size from the end to the center of the support cross bar, and the minimum scale of the graduated scale is 20mm.
Preferably, the fixed welding plate is connected with a chassis of the paver.
Preferably, the hydraulic power of the bidirectional hydraulic oil cylinder is supplied by a hydraulic system of the paver, and a one-way control valve is arranged between the bidirectional hydraulic oil cylinder and the hydraulic system of the paver.
Compared with the prior art, the utility model has the following beneficial effects:
the automatic hydraulic adjusting device for the frame mold of the asphalt concrete paver is compact in structure and convenient to operate according to asphalt core wall concrete paving and filling construction conditions, can meet the requirements of core wall concrete paving and filling quality, is also suitable for asphalt concrete walls or road construction with different width or gradual change width construction technical requirements, and avoids the problems of repeated dismantling and installation of the frame mold.
The width of the frame mould designed by the utility model can be adjusted in real time according to the height width change of the asphalt core wall concrete paving and filling, the effect of gradually and smoothly changing the width is realized, and meanwhile, the frame mould does not need to be dismantled after being initially installed until the core wall filling construction is finished.
Furthermore, the graduated scale is arranged so as to be convenient for achieving the effect of automatically adjusting the width, thereby avoiding the aim of not adjusting the width in place or excessively adjusting the width.
Furthermore, the original frame die installation position is utilized, and the hydraulic adjustment width of the frame die is completed by adopting the existing hydraulic system on paver equipment.
Further, hydraulic power supplied to hydraulic working of the hydraulic oil cylinder through the hydraulic system of the paver drives the steel frame die to slide left and right so as to achieve the purpose of automatically adjusting the width of the frame die.
Drawings
FIG. 1 is a simplified schematic illustration of an asphalt core wall structure;
FIG. 2 is a structural diagram of an automatic hydraulic adjusting device for a frame mold of an asphalt concrete paver according to the present utility model;
FIG. 3 is a drawing of a scale on a slide bar according to the present utility model;
FIG. 4 shows a maximum spacing position (open state) of a formwork of an automatic hydraulic adjusting device for a frame formwork of an asphalt concrete paver according to the present utility model;
fig. 5 shows a minimum distance position (contracted state) of a formwork of an automatic hydraulic adjusting device for a frame of an asphalt concrete paver according to the present utility model.
In the figure, 1, fixing a welding plate; 2. a connecting frame; 21. a support rail; 22. connecting a vertical rod; 3. a top mount; 4. a fixing plate; 5. a fixed base; 6. a bidirectional hydraulic oil cylinder.
Detailed Description
The utility model will now be described in further detail with reference to specific examples, which are intended to illustrate, but not to limit, the utility model.
The utility model discloses an automatic hydraulic adjusting device for a frame die of an asphalt concrete paver, which comprises a frame die and a plurality of bidirectional hydraulic cylinders 6, and is characterized in that the frame die is provided with a hydraulic adjusting device for adjusting the hydraulic pressure of the frame die.
The frame mould comprises a fixed welding plate 1, two fixed plates 4 and two connecting frames 2, wherein the two fixed plates 4 are relatively arranged in parallel, the two connecting frames 2 are relatively arranged in parallel, the two fixed plates 4 and the two connecting frames 2 form a closed quadrilateral, and the frame mould is arranged below a hopper of the paver through the connecting frames 2, namely the fixed welding plate 1 is connected with a chassis of the paver.
The connecting frame 2 comprises a support cross bar 21 and a connecting vertical bar 22, one end of the connecting vertical bar 22 is connected with the fixed welding plate 1 through bolts, the other end of the connecting vertical bar is welded with the support cross bar 21, and two end parts of the support cross bar 21 are respectively connected with the two fixed plates 4 in a sliding mode.
The bidirectional hydraulic oil cylinder 6 is located between the two fixing plates 4, the movable ends of the bidirectional hydraulic oil cylinder 6 are connected with the fixing plates 4, the end parts of the connecting frames 2 are respectively connected with the two fixing plates 4 in a sliding mode, two bidirectional hydraulic oil cylinders 6 are arranged in the embodiment, and the two bidirectional hydraulic oil cylinders 6 are arranged at intervals in parallel. The hydraulic power of the bidirectional hydraulic oil cylinder 6 is supplied by a paver hydraulic system, a one-way control valve is arranged between the bidirectional hydraulic oil cylinder 6 and the paver hydraulic system, the purpose of automatically adjusting the gradual change width of the frame mould can be achieved by controlling the operation of the oil cylinder through the one-way control valve, and the construction efficiency of the gradual change width quality and the progress requirement of the core wall asphalt concrete is improved.
An oil cylinder top fixing frame 3 is connected between the fixed welding plate 1 and the bidirectional hydraulic oil cylinder 6. The top of the bidirectional hydraulic cylinder 6 is provided with a fixed base 5, and the fixed base 5 is connected with the cylinder top fixing frame 3 by adopting a flange. After the bidirectional hydraulic oil cylinder 6 is rigidly connected through the oil cylinder top fixing frame 3, a piston rod of the bidirectional hydraulic oil cylinder 6 is connected with the connecting frame 2 through the flange base, and the piston rod of the bidirectional hydraulic oil cylinder 6 can synchronously and symmetrically stretch left and right, so that the fixed welding plate 1 synchronously and symmetrically slides left and right.
Referring to fig. 3, the end of the support rail 21 is symmetrically provided with a scale, the scale size of which gradually decreases from the end of the support rail 21 to the center, and the minimum scale of which is 20mm. In the embodiment, the scale is from 600mm to 1600mm, and the minimum scale of the scale is 20mm, so that the frame die spacing can be accurately displayed. For example, each time the core wall is filled and rises by 0.3 meter, the frame mold is retracted inwards by 5.3mm through a hydraulic cylinder, and a graduated scale is arranged on a horizontal sliding mechanism with the length of 1680mm, so that the frame mold spacing can be accurately adjusted.
Before construction, construction workers need to comprehensively check the device, check whether the connection of the frame die fixing plate 4, the bidirectional hydraulic oil cylinder 6 and the like is firm, check whether the oil way of the bidirectional hydraulic oil cylinder 6 and the like are normal, check whether the frame die plate frame and the sliding rod can slide normally and the like.
During construction, referring to fig. 4 and 5, according to construction technical requirements, firstly determining the width of an asphalt concrete pouring wall surface, controlling the bidirectional hydraulic oil cylinder 6 to stretch and retract through a frame die hydraulic automatic adjusting device of a paving machine, and immediately comparing the numerical values of graduated scales on a sliding rod, and stopping operating the oil cylinder and starting construction when the frame die distance reaches the width of a core wall surface; the width of the subsequent asphalt concrete pouring wall surface is changed, and the device can synchronously adjust the frame mold template connecting frame 2.
After the working procedure of pouring the asphalt concrete on the wall surface is finished, the frame mold template adjusting device is cleaned and finished in time, and the oil way part of the oil cylinder is checked and cleaned, so that the influence of the device on the next use effect caused by the coagulation and adhesion of the sputtered asphalt concrete is prevented.
According to the automatic hydraulic adjusting device for the frame mould of the asphalt concrete paver, disclosed by the utility model, the filling efficiency of asphalt core wall concrete is improved, the construction time delayed by changing the fixed frame mould is avoided, the gradual change width of the core wall can be smoothly changed without obvious step shape, and the gradual change filling quality of the core wall is improved. The paver frame mold template adjusting device is safe, reliable, convenient and simple to operate, high in asphalt concrete pouring construction efficiency, safe, effective, simple, easy and practical, and capable of achieving asphalt concrete variable-pitch wall (pavement) pouring construction.
The foregoing description of the preferred embodiment of the present utility model is not intended to limit the technical solution of the present utility model in any way, and it should be understood that the technical solution can be modified and replaced in several ways without departing from the spirit and principle of the present utility model, and these modifications and substitutions are also included in the protection scope of the claims.
Claims (10)
1. The automatic hydraulic adjusting device for the frame mould of the asphalt concrete paver is characterized by comprising a frame mould and a bidirectional hydraulic oil cylinder (6), wherein the frame mould is arranged below a hopper of the paver and comprises a fixed welding plate (1), two fixing plates (4) and two connecting frames (2), the two fixing plates (4) are oppositely arranged in parallel, the two connecting frames (2) are oppositely arranged in parallel, and the two fixing plates (4) and the two connecting frames (2) form a closed quadrangle; the bidirectional hydraulic oil cylinder (6) is positioned between the two fixed plates (4), the movable ends of the bidirectional hydraulic oil cylinder (6) are connected with the fixed plates (4), and the end parts of the connecting frame (2) are respectively connected with the two fixed plates (4) in a sliding mode.
2. The automatic hydraulic adjusting device for the frame mould of the asphalt concrete paver according to claim 1, wherein an oil cylinder top fixing frame (3) is connected between the fixed welding plate (1) and the bidirectional hydraulic oil cylinder (6).
3. The automatic hydraulic adjusting device for the frame mould of the asphalt concrete paver according to claim 2, wherein a fixed base (5) is arranged at the top of the bidirectional hydraulic cylinder (6), and the fixed base (5) is connected with a cylinder top fixing frame (3).
4. The automatic hydraulic adjusting device for the frame mould of the asphalt concrete paver according to claim 3, wherein the fixed base (5) is connected with the cylinder top fixing frame (3) by adopting a flange.
5. The automatic hydraulic adjusting device for the frame mould of the asphalt concrete paver according to claim 1, wherein a plurality of bidirectional hydraulic cylinders (6) are arranged, and the plurality of bidirectional hydraulic cylinders (6) are arranged at intervals in parallel.
6. The automatic hydraulic adjusting device for the frame mould of the asphalt concrete paver according to claim 1, wherein the connecting frame (2) comprises a supporting cross rod (21) and a connecting vertical rod (22), one end of the connecting vertical rod (22) is connected with the fixed welding plate (1), the other end of the connecting vertical rod is connected with the supporting cross rod (21), and two end parts of the supporting cross rod (21) are respectively connected with the two fixed plates (4) in a sliding mode.
7. The automatic hydraulic adjustment device for the frame mold of the asphalt concrete paver according to claim 6, wherein the end parts of the supporting cross bars (21) are symmetrically provided with graduated scales.
8. The automatic hydraulic adjustment device for the frame die of an asphalt concrete paver according to claim 7, characterized in that the scale of the scale is gradually reduced in size from the end to the center of the support cross bar (21), and the minimum scale of the scale is 20mm.
9. The automatic hydraulic adjustment device for the frame mould of an asphalt concrete paver according to claim 1, characterized in that the fixed welding plate (1) is connected with the chassis of the paver.
10. The automatic hydraulic adjustment device for the frame die of the asphalt concrete paver according to claim 1, wherein the hydraulic power of the bidirectional hydraulic cylinder (6) is supplied by a hydraulic system of the paver, and a one-way control valve is arranged between the bidirectional hydraulic cylinder (6) and the hydraulic system of the paver.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222624265.1U CN219099737U (en) | 2022-09-30 | 2022-09-30 | Automatic hydraulic adjusting device for frame mould of asphalt concrete paver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222624265.1U CN219099737U (en) | 2022-09-30 | 2022-09-30 | Automatic hydraulic adjusting device for frame mould of asphalt concrete paver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219099737U true CN219099737U (en) | 2023-05-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222624265.1U Active CN219099737U (en) | 2022-09-30 | 2022-09-30 | Automatic hydraulic adjusting device for frame mould of asphalt concrete paver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219099737U (en) |
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2022
- 2022-09-30 CN CN202222624265.1U patent/CN219099737U/en active Active
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