CN112853976A - Concrete paving trestle and control method - Google Patents

Concrete paving trestle and control method Download PDF

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Publication number
CN112853976A
CN112853976A CN201911190640.2A CN201911190640A CN112853976A CN 112853976 A CN112853976 A CN 112853976A CN 201911190640 A CN201911190640 A CN 201911190640A CN 112853976 A CN112853976 A CN 112853976A
Authority
CN
China
Prior art keywords
trestle
paving
height
assembly
trolley
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201911190640.2A
Other languages
Chinese (zh)
Inventor
程波
尹斌
李佑福
张扬
李骥
郑怀臣
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hunan Wuxin Formwork Co Ltd
Original Assignee
Hunan Wuxin Formwork Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hunan Wuxin Formwork Co Ltd filed Critical Hunan Wuxin Formwork Co Ltd
Priority to CN201911190640.2A priority Critical patent/CN112853976A/en
Publication of CN112853976A publication Critical patent/CN112853976A/en
Pending legal-status Critical Current

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    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D19/00—Structural or constructional details of bridges
    • E01D19/12—Grating or flooring for bridges; Fastening railway sleepers or tracks to bridges
    • E01D19/125—Grating or flooring for bridges
    • 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
    • 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
    • E01C19/187—Devices for distributing road-metals mixed with binders, e.g. cement, bitumen, without consolidating or ironing effect solely for spreading-out or striking-off deposited mixtures, e.g. spread-out screws, strike-off boards
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D15/00—Movable or portable bridges; Floating bridges
    • E01D15/12—Portable or sectional bridges
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
    • G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
    • G01B21/08—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness for measuring thickness

Abstract

The invention discloses a concrete paving trestle and a control method thereof, wherein the concrete paving trestle comprises a trestle body, a trolley assembly and a paving assembly; the trolley assembly is arranged on the trestle body and can move longitudinally on the trestle body; the paving component is arranged on the trolley component and is positioned below the trestle body. The invention has the advantages of high construction efficiency, capability of greatly reducing labor cost and the like.

Description

Concrete paving trestle and control method
Technical Field
The invention relates to the technical field of trestles, in particular to a concrete paving trestle and a control method.
Background
Trestles are engineering machinery equipment commonly used in civil engineering construction of tunnels, roads and bridges and the like, so as to facilitate the transportation of vehicles for transporting materials and equipment, and the passing of personnel and equipment through construction areas. In the construction process, in order to improve the construction efficiency, excavation and roadbed hardening are generally carried out synchronously, namely, an excavation surface and a hardened roadbed are connected through a trestle, and meanwhile, concrete construction is synchronously carried out in an area below the trestle to harden the roadbed. The existing trestle can only be used as a connecting channel for connecting an excavation surface with a hardened roadbed, and meanwhile, the existing trestle can be used as a hanging tool for devices such as templates and the like in roadbed hardening construction, the templates are mainly installed by manpower in roadbed construction, concrete vibration, paving and the like are carried out manually, and the existing trestle is low in efficiency and high in labor cost.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: aiming at the technical problems in the prior art, the invention provides the concrete paving trestle which is high in construction efficiency and capable of greatly reducing the labor cost and the control method.
In order to solve the technical problems, the technical scheme provided by the invention is as follows: a concrete paving trestle comprises a trestle body, a trolley assembly and a paving assembly;
the trolley assembly is arranged on the trestle body and can move longitudinally on the trestle body;
the paving component is arranged on the trolley component and is positioned below the trestle body.
The paving trolley further comprises a height adjusting assembly, and the paving assembly is mounted on the trolley assembly through the height adjusting assembly; the height adjustment assembly is used to adjust the height of the paving assembly.
Furthermore, the height adjusting assembly is movably connected with the paving assembly. The movable connection comprises a hinge, a hanging connection or a spring connection.
Further, the device also comprises a height detection module and a control module;
the height detection module is used for detecting and acquiring the actual height of the paving assembly;
the control module is used for determining an adjusting height according to the actual height and a preset elevation and controlling the height adjusting assembly to adjust the height of the paving assembly.
Further, the height detection module comprises a trolley position detection module, a trestle inclination angle detection module and a calculation module;
the trolley position detection module is used for acquiring the position of the trolley assembly on the trestle body;
the landing stage inclination angle detection module is used for acquiring a longitudinal inclination angle of the landing stage body;
the calculation module is used for calculating the actual height of the paving assembly according to the position and the longitudinal inclination angle.
Further, the landing stage inclination angle detection module comprises at least one inclination angle sensor; and each section of structure body of the trestle body is provided with an inclination angle sensor.
The utility model provides a control method of concrete spreading trestle, the vertical inclination and the dolly subassembly that detect and acquire the trestle are in position on the trestle, according to vertical inclination with the position calculation is confirmed the actual height of subassembly paves, according to actual height is confirmed with preset elevation the height adjustment volume of subassembly paves to control height adjustment subassembly adjustment the height of subassembly paves.
Compared with the prior art, the invention has the advantages that:
1. according to the invention, the movable trolley assembly is arranged on the trestle, and the paving device is arranged on the trolley, so that the trolley assembly can drive the paving assembly to carry out concrete paving operation on the area below the trestle, the efficiency of the concrete operation is greatly improved, and the labor cost of the concrete operation is reduced.
2. The paving component is arranged on the trolley component through the height adjusting component, so that the working height of the paving component can be conveniently adjusted according to the elevation requirement of a project, and the paving component is flexible and convenient.
3. The trestle provided by the invention is provided with the height detection module and the control module, the actual height of the paving component can be automatically detected through the height detection module, the height adjustment component is controlled through the control module, the height of the paving component is adjusted, the quality of concrete paving operation can be effectively ensured, and particularly, when the trestle is deformed due to the fact that other heavy equipment such as vehicles pass through the trestle, the deformation can be effectively compensated through the height adjustment, and the leveling of a paving operation surface is ensured.
4. According to the invention, the height of the paving component is calculated and determined by detecting the position of the trolley component on the trestle and the longitudinal inclination angle of the trestle, and then the height of the paving component is adjusted according to the preset elevation, so that the height of the paving component can be accurately determined and adjusted under severe environments with high dust, poor ventilation and poor visibility, and the reliability is good.
Drawings
Fig. 1 is a schematic structural view and a partially enlarged view (side view) of an embodiment of the present invention.
Fig. 2 is a schematic structural view (front view) of a trestle at a construction station according to an embodiment of the present invention.
FIG. 3 is a schematic view of the connection between the height adjustment assembly and the paving assembly in accordance with an embodiment of the present invention.
FIG. 4 is a schematic diagram (side view) of the construction process according to the embodiment of the present invention.
Fig. 5 is a schematic diagram illustrating a height calculation principle according to an embodiment of the present invention.
Fig. 6 is a schematic diagram illustrating a height calculation principle according to an embodiment of the present invention.
Illustration of the drawings: 1. a trestle body; 2. a trolley assembly; 3. a height adjustment assembly; 4. a paving assembly; 5. a tilt angle detection module; 6. and a trolley position detection module.
Detailed Description
The invention is further described below with reference to the drawings and specific preferred embodiments of the description, without thereby limiting the scope of protection of the invention.
As shown in fig. 1, the concrete paving trestle of the embodiment includes a trestle body, a trolley assembly and a paving assembly; the trolley assembly is arranged on the trestle body and can move longitudinally on the trestle body; the paving component is arranged on the trolley component and is positioned below the trestle body. In fig. 1, in order to facilitate the expression of the innovative point of the present patent, only the side surface of the trestle body is shown, and other structural features on the trestle body are omitted.
In this embodiment, as shown in fig. 1 and 4, the trestle serves as a passage in the left-right traffic direction of the construction area, and the lower side of the trestle is an area where concrete construction is required, and the trestle is erected above the concrete construction area by its support legs. The direction of the passage formed by the trestle, i.e., the left-right direction in fig. 1 and 4, is referred to as the longitudinal direction of the trestle in this embodiment.
In this embodiment, fig. 2 is a front view of the concrete paving trestle of this embodiment, the trestle body includes main beams located at the left and right sides and a cross beam connecting the main beams, and the lower portion of the main beam of the trestle body has a track extending outward. Wheels are arranged on the trolley assembly, the trolley assembly is hung on the rail through the wheels and is positioned below the trestle body, and the wheels on the trolley assembly can move along the rail. It should be noted that the above-mentioned manner illustrated in this embodiment is only one preferred manner, and does not limit the protection scope of the present invention, and other mounting and combining manners may also be adopted between the cart assembly and the trestle body, for example, the cart assembly is disposed between two main beams of the trestle body, and the cart assembly is suspended below the trestle body. The trolley component can adopt an active driving mode, for example, the trolley component comprises a driver, and the trolley component is driven to move on the trestle; the trolley assembly can also adopt a passive driving mode, for example, a driver is additionally arranged outside the trolley assembly, and the trolley assembly is pulled to move on the trestle body through transmission modes such as a chain and the like.
In this embodiment, the subassembly that paves is installed on the dolly subassembly, can be under the drive of dolly subassembly, along landing stage longitudinal movement to can pave the operation to the concrete of landing stage below. The paving assembly may select corresponding assemblies according to construction requirements, as shown in fig. 1, the paving assembly includes a spiral paving drum and a vibration leveling plate, the spiral paving drum is used for leveling the concrete to reduce the peak-valley difference of the concrete surface; the vibrating leveling plate is used for further compacting and leveling the surface of the concrete under the action of the vibrator, so that the effect of compacting and leveling the surface of the concrete is achieved; of course, other equipment, such as a flat vibrating device and the like, can be additionally arranged according to engineering requirements.
In the embodiment, the paving machine further comprises a height adjusting assembly, and the paving assembly is arranged on the trolley assembly through the height adjusting assembly; the height adjusting assembly is used for adjusting the height of the paving assembly. The realization that can be convenient through altitude mixture control subassembly is to the adjustment of the subassembly height of paving, when the construction, only needs to set up the landing stage in place, again according to the required concrete elevation of construction, adjusts the height of the subassembly of paving through altitude mixture control subassembly, just can carry out concrete construction.
In this embodiment, as shown in fig. 2, the left and right sides of the cart assembly are respectively provided with a height adjusting assembly, and the lower end of the height adjusting assembly is provided with a paving assembly. The height adjusting component and the paving component are movably connected; the movable connection is preferably hinged, or hung, or spring, or a combination of two or more. A concrete connection mode that adopts two kinds of connection modes to combine together is shown in fig. 3 (fig. 3 only shows the relation of connection between the two, does not embody complete part), sets up the lug on the subassembly that paves, sets up corresponding couple on the height control subassembly to guarantee the relative mobility between subassembly and the height control subassembly that paves, simultaneously, between this subassembly that paves of height control subassembly, can also set up the spring, or the rubber cushion, in order to guarantee relative stability between the two. By adopting the movable connection, after the height adjusting device is connected with the paving component, a relative movement space with a certain limit still can be provided, on one hand, the lifting of the height adjusting component can be conveniently and smoothly realized, and the equipment cannot be damaged due to the clamping caused by the asynchronism between the height adjusting components at the left side and the right side; on the other hand, the transverse inclination angle of the paving component can be conveniently adjusted through the lifting height difference of the height adjusting components on the left side and the right side, so that the equipment disclosed by the invention is suitable for paving concrete on a flat plane and is also suitable for paving concrete on a plane with a transverse gradient. As shown in fig. 2, when a construction plane with a transverse slope is required, the transverse slope angle of the paving component can be adjusted to a required state by adjusting the height of the height lifting components at the left side and the right side, and concrete construction of the plane with the slope can be realized.
In the present embodiment, the height adjusting assembly may be a hydraulic lifting device, a screw lifting device, a scissor lifting device, etc., but is not limited to the above-mentioned embodiments. Preferably adopt hydraulic pressure lift mode in this embodiment, the lift control precision is high, and the good reliability, the abominable construction environment in adaptation tunnel that can be fine. The lifting control mode of the height adjusting assembly can adopt a manual control mode and an automatic control mode. By adopting a manual control mode, the height of the paving component can be adjusted in advance before concrete construction, and automatic paving and leveling of concrete can be implemented.
In this embodiment, the trestle is also a running channel of other engineering machinery (such as an excavator, a muck truck and the like), and needs to bear the weight of other engineering machinery equipment, and when other engineering machinery equipment passes through the trestle, the trestle will deform and vibrate to a certain extent, so that the height of the paving component is adjusted by adopting a manual control mode, the adverse effect caused when other engineering equipment passes through the trestle is difficult to eliminate, and the surface of concrete is still likely to be not smooth enough.
In this embodiment, preferably, the system further comprises a height detection module and a control module; the height detection module is used for detecting and acquiring the actual height of the paving assembly; the control module is used for determining the adjustment height according to the actual height and the preset elevation and controlling the height adjusting assembly to adjust the height of the paving assembly. The height of the paving component can be detected in real time through the height detection module, and the height of the paving component is adjusted through the control module to control the height adjustment component in real time, so that adverse effects caused when other engineering equipment passes through the trestle can be eliminated, and the leveling effect of the paving component is improved.
In this embodiment, the height of the paving assembly can be determined in various ways, and the preferred height detection module comprises a trolley position detection module, a trestle inclination angle detection module and a calculation module; the trolley position detection module is used for acquiring the position of the trolley assembly on the trestle body; the landing stage inclination angle detection module is used for acquiring a longitudinal inclination angle of the landing stage body; the calculation module is configured to calculate an actual height of the paving assembly based on the position and the longitudinal tilt angle. The trolley position detection module can adopt non-contact sensors such as a laser distance measurement sensor, an infrared distance measurement sensor and an ultrasonic distance measurement sensor as required, can also adopt conversion sensors such as a placement encoder and a stretching encoder, and can detect and determine the distance between the trolley assembly and the detection point through the trolley position detection module. The landing stage inclination angle detection module is arranged on the landing stage and used for detecting and acquiring the longitudinal inclination angle of the landing stage. After the position of the trolley assembly and the longitudinal inclination angle of the trestle body are obtained, the height of the trolley assembly to be adjusted can be calculated and determined according to the calculation principle shown in fig. 5. In fig. 5, the length of OA can be determined by the distance measuring sensor, the θ angle of the inclination can be determined by the landing stage inclination detection module, and then the adjustment height Δ Y required for determining the paving assembly can be calculated by a simple trigonometric function, where Δ Y is the adjustment height, and X is the distance obtained by measurement, that is, the position of the carriage assembly, and the longitudinal inclination of the θ landing stage body. Of course, the length of OB can also be measured based on the same principle. Even if the difference between OA and OB is ignored as an error, the length of one side may be arbitrarily measured.
In this embodiment, when the trestle body adopts a segmented structure, the trestle as shown in fig. 1 and fig. 4 is a 2-segment structure. Preferably, the landing stage inclination angle detection module comprises at least one inclination angle sensor; each section of structure body of the trestle body is provided with an inclination angle sensor. Each inclination angle sensor can determine the longitudinal inclination angle of a section of trestle body, and in combination with the length of each section of trestle body which can be determined in advance, according to the same principle, the adjustment height Δ Y can be calculated, as shown in fig. 6, where X is the distance measured by the distance measuring sensor, O-B1 is the length of the first trestle body, θ 1 is the longitudinal inclination angle of the first trestle body, then the height difference DeltaY 1 of the first stage of the trestle body can be calculated and determined through a trigonometric function, the corresponding straight line distance O-A1 is X1, the distance B1-A2 is further calculated to be X-X1, and then according to the inclination angle theta 1 of the second stage of the trestle body, the height difference Δ Y2 of the paving assembly at the second stage of the trestle body can be calculated through a trigonometric function, so that the height difference Δ Y1+ Δ Y2 required to be adjusted at the position can be obtained.
The control method for the concrete paving trestle of the embodiment detects and obtains the longitudinal inclination angle of the trestle and the position of the trolley assembly on the trestle, calculates and determines the actual height of the paving assembly according to the longitudinal inclination angle and the position, determines the height adjustment amount of the paving assembly according to the actual height and the preset elevation, and controls the height adjustment assembly to adjust the height of the paving assembly. The specific manner in which the actual height of the paving assembly is determined in this embodiment is the same as described above.
The foregoing is considered as illustrative of the preferred embodiments of the invention and is not to be construed as limiting the invention in any way. Although the present invention has been described with reference to the preferred embodiments, it is not intended to be limited thereto. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention should fall within the protection scope of the technical scheme of the present invention, unless the technical spirit of the present invention departs from the content of the technical scheme of the present invention.

Claims (7)

1. The utility model provides a concrete paving trestle which characterized in that: the trestle comprises a trestle body, a trolley assembly and a paving assembly;
the trolley assembly is arranged on the trestle body and can move longitudinally on the trestle body;
the paving component is arranged on the trolley component and is positioned below the trestle body.
2. The concrete paving trestle of claim 1, characterized in that: the paving device further comprises a height adjusting assembly, and the paving assembly is mounted on the trolley assembly through the height adjusting assembly; the height adjustment assembly is used to adjust the height of the paving assembly.
3. The concrete paving trestle of claim 2, characterized in that: the height adjusting assembly is movably connected with the paving assembly.
4. The concrete paving trestle of claim 2, characterized in that: the device also comprises a height detection module and a control module;
the height detection module is used for detecting and acquiring the actual height of the paving assembly;
the control module is used for determining an adjusting height according to the actual height and a preset elevation and controlling the height adjusting assembly to adjust the height of the paving assembly.
5. A concrete paving trestle according to claim 4, characterised in that: the height detection module comprises a trolley position detection module, a trestle inclination angle detection module and a calculation module;
the trolley position detection module is used for acquiring the position of the trolley assembly on the trestle body;
the landing stage inclination angle detection module is used for acquiring a longitudinal inclination angle of the landing stage body;
the calculation module is used for calculating the actual height of the paving assembly according to the position and the longitudinal inclination angle.
6. A concrete paving trestle according to claim 5, characterised in that: the landing stage inclination angle detection module comprises at least one inclination angle sensor; and each section of structure body of the trestle body is provided with an inclination angle sensor.
7. A control method of a concrete paving trestle is characterized by comprising the following steps: the vertical inclination and the dolly subassembly that detect and acquire the landing stage are in position on the landing stage, according to vertical inclination with position calculation confirms the actual height of subassembly that paves, according to actual height is confirmed with predetermined elevation the altitude mixture control volume of subassembly that paves to control altitude mixture control subassembly adjustment the height of subassembly that paves.
CN201911190640.2A 2019-11-28 2019-11-28 Concrete paving trestle and control method Pending CN112853976A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911190640.2A CN112853976A (en) 2019-11-28 2019-11-28 Concrete paving trestle and control method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911190640.2A CN112853976A (en) 2019-11-28 2019-11-28 Concrete paving trestle and control method

Publications (1)

Publication Number Publication Date
CN112853976A true CN112853976A (en) 2021-05-28

Family

ID=75995484

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201911190640.2A Pending CN112853976A (en) 2019-11-28 2019-11-28 Concrete paving trestle and control method

Country Status (1)

Country Link
CN (1) CN112853976A (en)

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