CN114753212B - Spreading device for large-area high-precision concrete terrace construction - Google Patents
Spreading device for large-area high-precision concrete terrace construction Download PDFInfo
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- CN114753212B CN114753212B CN202210524849.3A CN202210524849A CN114753212B CN 114753212 B CN114753212 B CN 114753212B CN 202210524849 A CN202210524849 A CN 202210524849A CN 114753212 B CN114753212 B CN 114753212B
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- frame
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- lancing
- driving
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- 238000010276 construction Methods 0.000 title claims abstract description 17
- 230000007480 spreading Effects 0.000 title claims description 14
- 230000007246 mechanism Effects 0.000 claims description 36
- 230000001360 synchronised effect Effects 0.000 claims description 4
- 239000002002 slurry Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000007493 shaping process Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000010426 asphalt Substances 0.000 description 1
- 210000002421 cell wall Anatomy 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/12—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for distributing granular or liquid materials
- E01C19/18—Devices for distributing road-metals mixed with binders, e.g. cement, bitumen, without consolidating or ironing effect
- E01C19/185—Devices for distributing road-metals mixed with binders, e.g. cement, bitumen, without consolidating or ironing effect for both depositing and spreading-out or striking-off the deposited mixture
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C23/00—Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
- E01C23/02—Devices for making, treating or filling grooves or like channels in not-yet-hardened paving, e.g. for joints or markings; Removable forms therefor; Devices for introducing inserts or removable insert-supports in not-yet-hardened paving
- E01C23/025—Making or working grooves or like channels in laid paving, e.g. smoothing groove edges
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Paving Structures (AREA)
- Road Paving Machines (AREA)
Abstract
The application relates to the field of concrete terrace construction and discloses a paving device for large-area high-precision concrete terrace construction. According to the application, the expansion joint can be added during paving, so that the quality of the paved terrace is effectively improved.
Description
Technical Field
The application relates to the field of concrete terrace construction, in particular to a paving device for large-area high-precision concrete terrace construction.
Background
Modern highway transportation is continuously improved in requirements of highway pavement strength, rigidity, compactness, uniformity, flatness, travelling comfort, high speed, safety and the like. The paver is a construction equipment which is mainly used for paving various materials of a base layer and a surface layer on a highway or river course operation, and is used for uniformly paving asphalt or cement mixture on the base layer of the highway.
However, in the process of implementing the technical scheme in the embodiment of the application, the inventor discovers that at least the following technical problems exist: when the existing paving device is used for paving the terrace, slurry is only flattened on the foundation, and after the large-area terrace is formed, the situation of dry cracking can occur, so that the paving quality of the terrace is poor.
Disclosure of Invention
The paving device for large-area high-precision concrete terrace construction solves the technical problem that in the prior art, paving of large-area terraces is easy to dry and crack, expansion joints can be increased during paving, and paving terrace quality is effectively improved.
The embodiment of the application provides a paving device for large-area high-precision concrete terrace construction, which comprises a frame, a paving plate arranged on one side of the frame and a hopper arranged on the frame, wherein a slitting mechanism is arranged on the frame, a mounting frame is arranged on the frame and positioned on one side of the slitting mechanism, a telescopic sheet is wound on the mounting frame, and a slicing mechanism for cutting the telescopic sheet is arranged on one side of the mounting frame.
Further, the joint cutting mechanism comprises a joint cutting hydraulic cylinder arranged on the frame, and a joint cutting knife arranged at the end part of a piston rod of the joint cutting hydraulic cylinder, wherein a joint cutting opening is arranged on the frame, and the joint cutting knife is arranged in the joint cutting opening in a sliding manner.
Further, the mounting frame comprises two supporting rods arranged on the frame at intervals and a rotating roller arranged in the two supporting rods in a rotating mode, and the telescopic sheet is wound on the rotating roller.
Further, the slicing mechanism comprises a stretching assembly and a cutting assembly, wherein the stretching assembly is arranged on the frame and used for stretching the telescopic sheet, and the cutting assembly is used for cutting the telescopic sheet.
Further, the stretching assembly comprises a driving roller and a driven roller which are arranged on the rack in a rotating mode, a first driving wheel arranged at one end of the driving roller, a stretching motor arranged on the rack, and a second driving wheel arranged on an output shaft of the stretching motor, wherein the driving roller and the driven roller are arranged side by side, one ends of the driving roller and the driven roller are respectively provided with a stretching gear, the two stretching gears are meshed with each other, the telescopic sheet is clamped between the driving roller and the driven roller, and a synchronous belt is sleeved on the first driving wheel and the second driving wheel.
Further, the cutting assembly comprises a cutting blade, a braking part and a moving part, wherein the braking part is arranged on one side of the stretching assembly and used for driving the cutting blade to stretch and retract along the length direction of the frame, and the moving part is used for driving the cutting blade to move along the width direction of the frame.
Further, the braking portion is including sliding the slide that sets up in the frame, the dovetail that sets up along frame length direction is seted up to the lower terminal surface of slide, the up end of cutting the blade is fixed with the forked tail piece, the forked tail piece is connected with reset spring with the cell wall of dovetail, be provided with the fixed plate that sets up along the frame width in the frame, the fixed plate is close to one side shaping that cuts the blade has first inclined plane, one side shaping that the blade kept away from the expansion sheet has with first inclined plane complex second inclined plane.
Further, the moving part comprises a moving screw rod and a guide rod which are rotatably arranged on the frame, and a moving motor arranged on one side of the frame, an output shaft of the moving motor is fixedly connected with one end of the moving screw rod, the sliding seat is in threaded connection with the moving screw rod, and the sliding seat is in sliding fit with the guide rod.
Further, the two sides of the frame are provided with side plates, and the frame is provided with a lifting mechanism for driving the side plates to lift.
Further, the lifting mechanism comprises a fixed seat arranged on the frame, a guide seat vertically sliding in the fixed seat, and a lifting rod rotatably arranged on the guide seat, wherein the lifting rod is arranged along the length direction of the frame, two sections of threads opposite in screwing direction are arranged on the lifting rod, two sections of threads are connected with a movable seat in a threaded manner, two ends of the movable seat are hinged with a connecting rod, one connecting rod is hinged with the side plate, and the other connecting rod is hinged with the upper end face of the frame.
One or more technical solutions provided in the embodiments of the present application at least have the following technical effects or advantages:
1. Because the joint cutting mechanism is adopted, after slurry is paved, the joint cutting mechanism is used for cutting the joint, when the telescopic piece moves to the gap, the telescopic piece is cut off through the slicing mechanism, so that the telescopic piece falls into the gap and is paved and compacted through the paving plate, the expansion joint can be increased during paving, and the paving quality is effectively improved.
2. Due to the adoption of the lifting mechanism, the stretching height of the side plate can be adjusted according to the thickness of the terrace to be paved, so that the side plate is matched with the paving plate, and the paving quality is improved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;
FIG. 2 is a schematic view of the overall structure of the embodiment of the present application after hiding one side plate;
FIG. 3 is an enlarged schematic view of portion A of FIG. 2;
FIG. 4 is an enlarged schematic view of portion B of FIG. 2;
FIG. 5 is an enlarged schematic view of portion C of FIG. 1;
In the figure: 1. a frame; 11. a hopper; 12. a roller; 13. cutting a seam; 2. spreading and paving; 3. a lancing mechanism; 31. a lancing hydraulic cylinder; 32. a slitting knife; 4. a mounting frame; 41. a support rod; 42. a rotating roller; 5. a telescoping piece; 6. a slicing mechanism; 61. a stretching assembly; 611. a driving roller; 612. driven roller; 613. a first driving wheel; 614. stretching a motor; 615. a synchronous belt; 616. a stretching gear; 617. a second driving wheel; 62. a cutting assembly; 621. a cutting blade; 622. a braking section; 6221. a slide; 6222. a dovetail groove; 6223. dovetail blocks; 6224. a return spring; 6225. a fixing plate; 623. a moving part; 6231. moving the lead screw; 6232. a guide rod; 6233. a moving motor; 7. a side plate; 8. a lifting mechanism; 81. a fixing seat; 82. a guide seat; 83. a lifting rod; 84. a movable seat; 85. and (5) connecting a rod.
Detailed Description
The embodiment of the application discloses a paving device for large-area high-precision concrete terrace construction, which is characterized in that before slurry is paved, the slurry is firstly subjected to lancing through a lancing mechanism 3, in the continuous advancing process of the paving device, a telescopic sheet 5 is aligned with a lancing position, the telescopic sheet 5 is cut off through a slicing mechanism 6, the telescopic sheet 5 enters a gap along the lancing position, the telescopic sheet 5 rolls and descends continuously, the sliced telescopic sheet 5 is extruded, the telescopic sheet 5 completely enters the gap, the advancing of the paving device is controlled, and the slurry is flattened through a paving plate 2.
In order to better understand the above technical solutions, the following detailed description will refer to the accompanying drawings and specific embodiments.
Referring to fig. 1, a paving device for large-area high-precision concrete terrace construction comprises a frame 1, a paving plate 2 and a hopper 11, wherein the frame 1 is in a strip shape, the width of the frame 1 is larger than that of a terrace, the height of the paving plate 2 is lower than that of the frame 1, the paving plate 2 is fixedly installed at one end of the frame 1, and a transition fillet is arranged at the joint. The walking mechanism is arranged on two sides of the frame 1 and comprises four rollers 12, wherein the two rollers 12 are respectively connected to two sides of the frame 1 in a rotating way and located at the position of the frame 1 away from the spreading board 2, and the other two rollers 12 are respectively connected to two sides of the spreading board 2 in a rotating way and located at the position of the spreading board 2 away from the frame 1. The distance between the two rollers 12 arranged along the width direction of the frame 1 is larger than the width of the terrace, and the whole movement can be conveniently driven. The hopper 11 fixed mounting is in frame 1, and is located the position department that the frame 1 kept away from the stand 2 of spreading out, and the lower extreme of hopper 11 runs through frame 1 for hold mud, when frame 1 removes, can lay out mud on the ground to preliminary flattening of mud through frame 1.
Referring to fig. 1 and 2, a lancing mechanism 3 is mounted on a frame 1, and lancing can be performed when paving a terrace, so that a corresponding device can be conveniently mounted in a gap to form an expansion joint structure. The mounting frame 4 is arranged on the frame 1 and is positioned on one side, far away from the hopper 11, of the slitting mechanism 3, the telescopic piece 5 is wound on the mounting frame 4, the slicing mechanism 6 is arranged on one side, far away from the slitting mechanism 3, of the mounting frame 4, the slicing mechanism 6 is close to the spreading plate 2 and is used for cutting the telescopic piece 5, when the telescopic piece 5 is driven to move to a gap in the whole moving process, the thickness of the telescopic piece 5 is smaller than the width of the gap, the telescopic piece 5 can be ensured to enter the gap, the telescopic piece 5 is made of rubber materials, in order to ensure that the telescopic piece 5 conveniently enters the gap, and the center of the telescopic piece 5 is provided with a metal sheet. The telescopic sheet 5 can fall into the gap through the slicing mechanism 6, and mud is further flattened through the spreading plate 2, so that the ground pavement is completed.
Referring to fig. 1 and 2, the lancing mechanism 3 includes lancing hydraulic cylinders 31 and lancing cutters 32, two lancing hydraulic cylinders 31 are mounted on the frame 1 and are respectively and fixedly mounted at two sides close to the width direction of the frame 1, piston rods of the lancing hydraulic cylinders 31 are vertically arranged downwards, strip lancing openings 13 are formed in the frame 1, the length of the lancing openings 13 is greater than the distance between the two lancing hydraulic cylinders 31, two ends of each lancing cutter 32 are respectively and fixedly mounted at the piston rod ends of the two lancing hydraulic cylinders 31, and the lancing cutters 32 are slidably arranged in the lancing openings 13.
Referring to fig. 1, the mounting frame 4 includes two struts 41 and a roller 42, the struts 41 are fixedly mounted on the frame 1, the two struts 41 are respectively located at two sides of the frame 1 in the width direction, the roller 42 is rotatably connected to the upper ends of the two struts 41, and the expansion sheet 5 is wound on the roller 42.
Referring to fig. 2, 3 and 4, the slicing mechanism 6 includes a stretching assembly 61 and a cutting assembly 62, the stretching assembly 61 is used for stretching the roll of the telescopic sheet 5 wound on the mounting frame 4, so that the end portion of the telescopic sheet 5 extends downwards, the cutting assembly 62 is used for cutting the stretched telescopic sheet 5, a blanking hole for improving the passing of the telescopic sheet 5 is formed in the frame 1 and corresponding to the telescopic sheet 5, and the telescopic sheet 5 can enter into the gap along the blanking hole.
Referring to fig. 2, 3 and 4, the stretching assembly 61 includes a driving roller 611 and a driven roller 612, a first driving wheel 613, a stretching motor 614, and a second driving wheel 617, where the driving roller 611 and the driven roller 612 are rotatably connected to the frame 1 and are arranged along the width of the frame 1, the driving roller 611 and the driven roller 612 are arranged side by side along the length direction of the frame 1, the telescopic sheet 5 is clamped between the driving roller 611 and the driven roller 612, the first driving wheel 613 is fixedly mounted at one end of the driving roller 611, the stretching motor 614 is fixedly mounted on the frame 1, the second driving wheel 617 is fixedly mounted on the output shaft of the stretching motor 614, and a synchronous belt 615 is sleeved on the first driving wheel 613 and the second driving wheel 617. The stretching gears 616 are installed at the end parts of the same side of the driving roller 611 and the driven roller 612, the two stretching gears 616 are meshed with each other, the driving roller 611 is driven to rotate by the stretching motor 614, the driving roller 611 and the driven roller 612 can be driven to rotate in opposite directions by the two meshed stretching gears 616, and the telescopic sheet 5 can be pulled to extend downwards.
Referring to fig. 2,3 and 4, the cutter unit 62 includes a cutter blade 621, a braking portion 622 and a moving portion 623, the edge of the cutter blade 621 faces the side of the expansion and contraction piece 5 near the spreading plate 2, the braking portion 622 and the moving portion 623 are both mounted on the frame 1 near the spreading plate 2, the braking portion 622 is used for driving the cutter blade 621 to expand and contract along the length direction of the frame 1, and the moving portion 623 is used for driving the cutter blade 621 to move along the width direction of the frame 1. The braking portion 622 comprises a sliding seat 6221, a dovetail groove 6222 is formed in the lower end face of the sliding seat 6221, a dovetail block 6223 is fixed to the upper end face of the cutter blade 621, a reset spring 6224 is connected to the dovetail block 6223 and the groove wall of the dovetail groove 6222, a fixing plate 6225 arranged along the width of the frame 1 is arranged on the frame 1, a first inclined surface is formed on one side, close to the cutter blade 621, of the fixing plate 6225, one end of the fixing plate 6225 is close to one side, close to the other side, of the telescopic blade 5, of the fixing plate 6225, the distance between one end, provided with the first inclined surface, of the fixing plate 6225 and one side of the frame 1 is larger than the distance between one side, close to the telescopic blade 5, of the side, of the frame 1, the distance between the other end of the fixing plate 6225 and the side, close to the telescopic blade 5, of the cutter blade is formed with a second inclined surface matched with the first inclined surface. The moving part 623 comprises a moving screw rod 6231, a guide rod 6232 and a moving motor 6233, wherein the moving screw rod and the guide rod 6232 are both rotationally connected to the frame 1, the moving screw rod 6231 and the guide rod 6232 are arranged side by side along the length direction of the frame 1, the length direction of the moving screw rod 6231 and the guide rod 6232 is consistent with the width direction of the frame 1, the moving motor 6233 is fixedly arranged on the frame 1, an output shaft of the moving motor 6233 is fixedly connected with one end of the moving screw rod 6231, a sliding seat 6221 is in threaded connection with the moving screw rod 6231, and the sliding seat 6221 is in sliding fit with the guide rod 6232. By starting the moving motor 6233, the sliding seat 6221 can be driven to move along the length direction of the moving screw rod 6231, and then the end part of the fixed plate 6225 is abutted against the cutting blade 621, so that the cutting blade 621 moves along the dovetail groove 6222 of the sliding seat 6221 towards the direction close to the telescopic blade 5, when the cutting blade 621 passes over the first inclined plane, the cutting blade 621 can be abutted against one side, close to the telescopic blade 5, of the fixed plate 6225, the cutting blade 621 always keeps contact with the telescopic blade 5, and when the cutting blade 621 is continuously moved, the telescopic blade 5 can be cut off.
Referring to fig. 2 and 5, the side plates 7 are mounted on both sides of the frame 1, and when the floor is spread, the side plates 7 can squeeze both sides of the floor, so that the spreading effect is improved, and the lifting mechanism 8 is mounted on the frame 1 and used for driving the side plates 7 to lift. The lifting mechanism 8 comprises a fixing seat 81, a guide seat 82 and a lifting rod 83, wherein the fixing seat 81 is fixedly arranged on the frame 1, and one lifting rod is arranged on two sides of the frame 1 in the width direction. The vertical guide way has been seted up on fixing base 81, guide seat 82 sliding connection is in the guide way, the length direction of lifting rod 83 is unanimous with the length direction of frame 1, the shaping has two sections screw threads opposite in the direction on the lifting rod 83, and equal threaded connection has a movable seat 84 on two sections screw threads, the both ends of movable seat 84 all articulate there is a connecting rod 85, a connecting rod 85 articulates with curb plate 7, another connecting rod 85 articulates with the up end of frame 1, be the V type between two connecting rods 85 that are located on same movable seat 84, the opening of two V types deviates from mutually. The lower end of the side plate 7 passes through the frame 1 and is in sliding fit with the frame 1. When the lifting rod 83 is rotated in the forward direction or the reverse direction, the two movable seats 84 can be made to approach or depart from each other, and the size of the V-shaped opening can be adjusted, when the opening is larger, the smaller the side plate 7 extends out of the lower part of the frame 1, and when the opening is smaller, the more the side plate 7 extends out of the lower part of the frame 1.
The application can explain its functional principle by the following modes of operation: before slurry is paved, the slurry is firstly subjected to lancing through the lancing mechanism 3, in the continuous advancing process of the paving device, the telescopic piece 5 is aligned with the lancing position, the telescopic piece 5 is cut off through the lancing mechanism 6, the telescopic piece 5 enters into a gap along the lancing position, the telescopic piece 5 rolls continuously descend, the cut telescopic piece 5 is extruded, the telescopic piece 5 completely enters into the gap, the paving device is controlled to advance, and the slurry is flattened through the paving plate 2.
The foregoing is only a preferred embodiment of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art should be able to apply equivalents and modifications according to the technical scheme and the concept of the present application within the scope of the present application.
Claims (6)
1. The paving device for large-area high-precision concrete terrace construction is characterized by comprising a frame (1), a paving plate (2) arranged on one side of the frame (1) and a hopper (11) arranged on the frame (1);
A lancing mechanism (3) is arranged on the frame (1), a mounting frame (4) is arranged on the frame (1) and positioned on one side of the lancing mechanism (3), a telescopic sheet (5) is wound on the mounting frame (4), and a slicing mechanism (6) for cutting the telescopic sheet (5) is arranged on one side of the mounting frame (4);
The slicing mechanism (6) comprises a stretching assembly (61) which is arranged on the frame (1) and used for stretching the telescopic sheet (5) and a cutting assembly (62) which is used for cutting the telescopic sheet (5);
The stretching assembly (61) comprises a driving roller (611) and a driven roller (612) which are rotatably arranged on the frame (1), a first driving wheel (613) arranged at one end of the driving roller (611), a stretching motor (614) arranged on the frame (1) and a second driving wheel (617) arranged on an output shaft of the stretching motor (614);
The driving roller (611) and the driven roller (612) are arranged side by side, one ends of the driving roller (611) and the driven roller (612) are respectively provided with a stretching gear (616), the two stretching gears (616) are meshed with each other, the telescopic sheet (5) is clamped between the driving roller (611) and the driven roller (612), and the first driving wheel (613) and the second driving wheel (617) are sleeved with a synchronous belt (615);
The cutting assembly (62) comprises a cutting blade (621), a braking part (622) arranged on one side of the stretching assembly (61) and a moving part (623), wherein the braking part (622) is used for driving the cutting blade (621) to stretch and retract along the length direction of the frame (1), and the moving part (623) is used for driving the cutting blade (621) to move along the width direction of the frame (1);
The lancing mechanism (3) comprises a lancing hydraulic cylinder (31) arranged on the frame (1) and a lancing cutter (32) arranged at the end part of a piston rod of the lancing hydraulic cylinder (31),
The machine frame (1) is provided with a slit (13), and the slitting knife (32) is arranged in the slit (13) in a sliding manner.
2. A spreading device for large-area high-precision concrete terrace construction according to claim 1, characterized in that the mounting frame (4) comprises two support rods (41) arranged on the frame (1) at intervals, and a rotating roller (42) rotatably arranged in the two support rods (41);
the telescopic sheet (5) is wound on a rotating roller (42).
3. The paving device for large-area high-precision concrete terrace construction according to claim 1, wherein the braking part (622) comprises a sliding seat (6221) arranged on the frame (1) in a sliding manner, a dovetail groove (6222) arranged along the length direction of the frame (1) is formed in the lower end surface of the sliding seat (6221), a dovetail block (6223) is fixed on the upper end surface of the cutter blade (621), and a return spring (6224) is connected with the groove wall of the dovetail block (6223);
the novel cutting machine is characterized in that a fixing plate (6225) arranged along the width of the machine frame (1) is arranged on the machine frame (1), a first inclined surface is formed on one side, close to the cutting blade (621), of the fixing plate (6225), and a second inclined surface matched with the first inclined surface is formed on one side, far away from the telescopic blade (5), of the cutting blade (621).
4. A paving apparatus for large-area high-precision concrete terrace construction according to claim 3, wherein the moving part (623) comprises a moving screw (6231) and a guide rod (6232) which are rotatably arranged on the frame (1), and a moving motor (6233) arranged on one side of the frame (1), an output shaft of the moving motor (6233) is fixedly connected with one end of the moving screw (6231), the sliding seat (6221) is in threaded connection with the moving screw (6231), and the sliding seat (6221) is in sliding fit with the guide rod (6232).
5. Paving apparatus for large-area high-precision concrete terrace construction according to claim 1, characterized in that the two sides of the frame (1) are provided with side plates (7), and the frame (1) is provided with a lifting mechanism (8) for driving the side plates (7) to lift.
6. A spreading device for large-area high-precision concrete terrace construction according to claim 5, characterized in that the lifting mechanism (8) comprises a fixed seat (81) arranged on the frame (1), a guide seat (82) vertically sliding in the fixed seat (81), and a lifting rod (83) rotatably arranged on the guide seat (82);
The lifting rod (83) is arranged along the length direction of the frame (1), two sections of threads with opposite screwing directions are arranged on the lifting rod (83), two sections of threads are connected with a movable seat (84) in a threaded mode, two ends of the movable seat (84) are hinged with a connecting rod (85), one connecting rod (85) is hinged with the side plate (7), and the other connecting rod (85) is hinged with the upper end face of the frame (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210524849.3A CN114753212B (en) | 2022-05-14 | 2022-05-14 | Spreading device for large-area high-precision concrete terrace construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210524849.3A CN114753212B (en) | 2022-05-14 | 2022-05-14 | Spreading device for large-area high-precision concrete terrace construction |
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| Publication Number | Publication Date |
|---|---|
| CN114753212A CN114753212A (en) | 2022-07-15 |
| CN114753212B true CN114753212B (en) | 2024-05-24 |
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| CN202210524849.3A Active CN114753212B (en) | 2022-05-14 | 2022-05-14 | Spreading device for large-area high-precision concrete terrace construction |
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| CN (1) | CN114753212B (en) |
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| CN208088085U (en) * | 2018-04-09 | 2018-11-13 | 河北省高速公路京沪管理处 | A kind of portable electric road surface kerfs affixing machine |
| CN111395115A (en) * | 2019-02-14 | 2020-07-10 | 陕西华中机械有限公司 | Concrete paving mechanism and concrete paver |
| CN210828102U (en) * | 2019-07-24 | 2020-06-23 | 江苏茂盛建设集团有限公司 | Waterproofing membrane laying device |
| CN215164472U (en) * | 2020-12-10 | 2021-12-14 | 南宁师范大学 | Environmental protection bituminous paving repairs paster device |
| CN112726410A (en) * | 2020-12-29 | 2021-04-30 | 中铁三局集团华东建设有限公司 | Construction method of waterproof rubber belt for railway bridge expansion joint |
| CN215405493U (en) * | 2021-05-12 | 2022-01-04 | 李剑 | Hand propelled welt device |
| CN113250062A (en) * | 2021-06-04 | 2021-08-13 | 汇通建设集团股份有限公司 | Improved crack-resistant pressing device for crack diseases of asphalt concrete pavement |
| CN216107933U (en) * | 2021-10-21 | 2022-03-22 | 江苏东交智控科技集团股份有限公司 | Elevation adjusting device and paver |
| CN216514978U (en) * | 2021-11-20 | 2022-05-13 | 苏州大乘环保新材有限公司 | Digital cloth machine |
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| CN114753212A (en) | 2022-07-15 |
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