Concrete pavement thickness control device

Abstract

The utility model relates to the field of constructional engineering, in particular to the field of concrete pavement construction, in particular to a concrete pavement thickness control device, which solves the problem that the middle area of a pavement is difficult to measure before concrete is poured and ensures the engineering quality, and comprises a fixed rod which is transversely distributed, and a movable frame which can transversely move is sleeved on the outer side of the fixed rod; the telescopic rods are arranged at the left end and the right end of the fixed rod in a sleeving manner respectively; and the measuring rod is vertically arranged on the front side of the movable frame and can move up and down relatively.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of building engineering especially to the field of concrete pavement construction, and concretely relates to a concrete pavement thickness control device. BACKGROUND

[0002] The thickness of concrete pavement is an engineering problem that is difficult to solve and has existed for a long time. Since the concrete pavement is built on the soil road, the soil layer is first flattened, and steel formworks are set on both sides of the soil road, and then the concrete is poured and other processes are carried out. Since the steel formworks are set on both sides of the soil road, there is a measurement reference for the thickness of the pavement, and it is easy to measure. However, the thickness of the soil road in the middle is difficult to measure or the measurement method is difficult. If a certain area is relatively protruding, the position is relatively thin when pouring the concrete, which directly affects the engineering quality. SUMMARY

[0003] The utility model solves the technical problem of providing a concrete pavement thickness control device to solve the problem of difficult measurement of the middle area of the pavement before pouring the concrete and ensure the engineering quality.

[0004] The utility model is implemented by the following technical solutions:

[0005] A concrete pavement thickness control device comprises,

[0006] The fixed rods are transversely distributed, and the outer sides are provided with movable frames that can move transversely.

[0007] The telescopic rods are two groups and are respectively sleeved on the left and right ends of the fixed rods.

[0008] The measuring rod is vertically arranged on the front side of the movable frame and can move up and down relative to the movable frame.

[0009] Further, the fixed rods are square steel, the movable frame is a square sleeve, a nut is welded to the front side wall of the movable frame, and the measuring rod is threadedly connected to the nut.

[0010] Further, the outer end of the telescopic rod is provided with an auxiliary support, the auxiliary support comprises a horizontal plate and a vertical plate, the top surface of the horizontal plate is fixed to the bottom surface of the telescopic rod, and the vertical plate is vertically fixed to the outer end of the horizontal plate and faces downward.

[0011] The inner side surfaces of the horizontal plate and the vertical plate are provided with rollers.

[0012] Further, the top surface of the movable frame is provided with a handle.

[0013] Further, the handle is a circular galvanized steel pipe with a diameter of 20 mm, and is connected to the movable frame by welding.

[0014] Further, the top surface of the fixed rod is threadedly connected with a locking bolt near the end, and the locking bolt is used for fixing the telescopic rod.

[0015] Further, the fixed rod is a square steel with a size of 40mm*40mm, the telescopic rod is a square steel with a size of 30mm*30mm, and the telescopic rod is provided with an enlarged head at both ends for conveniently pulling out from the fixed rod.

[0016] The present application has the following advantages compared with the prior art:

[0017] 1. The concrete pavement thickness control device adjusts the extension length of the telescopic rod according to the actual pavement width, places both ends on the top surface of the steel formwork, and then measures the middle area of the pavement by moving the measuring rod and the movable frame.

[0018] Compared with other methods, the device has low investment, easy operation, and obvious social, environmental and economic benefits.

[0019] 2. The measuring rod is a screw rod with a wire, which can be manually adjusted to move up and down, and meets the measurement needs of concrete pavements with different thicknesses.

[0020] 3. The fixed rod is a square steel with a size of 40mm*40mm, the telescopic rod is a square steel with a size of 30mm*30mm, and the telescopic rod is provided with an enlarged head at both ends for conveniently pulling out from the fixed rod.

[0021] 4. The auxiliary support and the roller design can facilitate the movement of the entire device along the steel formwork, and greatly reduce the complexity of measurement.

[0022] 5. The presence of the handle can better facilitate the movement of the device. BRIEF DESCRIPTION OF DRAWINGS

[0023] Fig. 1 It is a front view of the concrete pavement thickness control device.

[0024] Fig. 2 It is a schematic view of the auxiliary support and the steel formwork.

[0025] In the figure: 1, fixed rod, 2, telescopic rod, 3, measuring rod, 4, movable frame, 5, locking bolt, 6, nut, 7, auxiliary support, 8, roller, 9, steel formwork. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0027] In the description of the utility model, it should be understood that the terms "front", "back", "up", "down", "left", "right" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation of the utility model.

[0028] As Figs. 1-2 shown, the embodiment discloses a concrete pavement thickness control device, which comprises a fixed rod 1, a telescopic rod 2, a handle, a measuring rod 3 and a movable frame 4 and the like structure. The fixed rod 1 is a square steel with a size of 40mm*40mm, and the length of the square steel of the fixed rod 1 is 2000mm. The telescopic rod 2 is two groups, both of which are square steels with a size of 30mm*30mm. The left and right ends of the fixed rod 1 are provided with cavities allowing the telescopic rod 2 to be sleeved therein, the telescopic rod 2 is sleeved at the left and right ends of the fixed rod 1 respectively, and a locking bolt 5 is threadedly connected to the top surface of the fixed rod 1 at a position close to the end portion, and the locking bolt 5 is used for fixing the telescopic rod 2. An enlarged head is arranged at the end portion of the telescopic rod 2, the cross-sectional size of the enlarged head is the same as that of the fixed rod 12, and the length thereof is set according to the size of the steel mold on site and the actual needs of construction, but it should not affect the pulling of the telescopic rod 2.

[0029] The movable frame 4 is a square sleeve, the movable frame 4 is sleeved on the outer wall of the fixed rod 1, and the movable frame 4 can slide relatively. A nut 6 is welded to the front side wall of the movable frame 4, the measuring rod 3 is provided with an external thread and has a scale, the measuring rod 3 is vertically threadedly connected to the nut 6, and the up-down height of the measuring rod 3 can be adjusted through thread cooperation. The handle is a circular galvanized steel pipe with a diameter of 20mm, which is welded to the top of the movable frame 4, and the height and length are both 200mm, which facilitates the movement of the movable frame 4.

[0030] In order to facilitate the movement of the device on the steel formwork 9, an auxiliary support 7 is installed on the outer end of the telescopic rod 2, specifically, the auxiliary support 7 includes a horizontal plate and a vertical plate, the top surface of the horizontal plate is fixed in a welded manner on the bottom surface of the telescopic rod 2, the vertical plate is vertically fixed on the outer end of the horizontal plate and downward, and the inner side surfaces of the horizontal plate and the vertical plate are provided with rollers 8. Through the design of the auxiliary support 7 and the rollers 8, the whole device can conveniently walk along the steel formwork 9, and the measurement of the whole pavement can be carried out, so that the measurement complexity is greatly reduced.

[0031] The concrete pavement thickness control device is constructed according to the following specific construction process.

[0032] 1. Roadbed compaction

[0033] According to the design requirements of the drawings, the roadbed under the concrete pavement is treated and compacted, and the compaction degree meets the design requirements.

[0034] 2. Steel formwork 9 is erected

[0035] According to the pavement width designed in the drawings, the steel formwork 9 is erected on both sides of the concrete pavement, the steel formwork 9 is reinforced on the outer side by adopting a “⊿” device, the verticality and straightness of the steel formwork 9 during installation are paid attention to, the steel formwork 9 is parallel to each other, so as to ensure the effect after the concrete pouring. After the steel formwork 9 is installed, self-inspection is qualified and reported to the supervision unit for acceptance.

[0036] 3. The telescopic rod 2 of the concrete pavement thickness measuring device is adjusted, the rollers 8 of the auxiliary support 7 are respectively in contact with the outer side and the top surface of the steel formwork 9, then the length of the measuring rod 3 at the lower part is adjusted, so that the length is consistent with the design requirement of the concrete pavement thickness data. The whole device can be moved along the steel formwork 9 through the rollers 8, the measuring rod 3 can be moved within the length range of the fixed rod 1 through the movable frame 4, so as to measure the thickness of the middle region of different parts in the length direction of the concrete pavement, and a self-inspection table is made. Personnel are arranged to process and repair the top surface of the roadbed at unqualified positions, and the self-inspection is qualified and reported to the supervision unit for acceptance.

[0037] 4. Concrete pouring

[0038] The concrete is poured according to the design requirements of the drawings on the concrete strength, before the pouring process, the surface of the pavement is wetted in advance, and the concrete is vibrated and compacted during the pouring process. After the concrete pouring is completed, the film covering maintenance is carried out in time, and the insulation measures are paid attention to in winter construction.

[0039] 5. Demoulding after the concrete reaches a certain strength

[0040] After the concrete strength reaches the design required strength value, the two side steel formworks 9 are removed. When removing, the brute force should not be used to avoid damaging the formed concrete surface. When the concrete pavement does not reach the design required condition, the person and vehicle are strictly prohibited.

[0041] Through the above scheme, the problem of difficulty in controlling the thickness of the concrete pavement is solved, and the effect is remarkable. Compared with other methods, the investment cost is low, easy to operate, and obvious social, environmental and economic benefits are achieved.

Claims

1. A concrete pavement thickness control device, characterized by, Including, The horizontally distributed fixed rods are fitted with a movable frame that can move laterally on the outside; The telescopic rod consists of two sets, which are respectively fitted onto the left and right ends of the fixed rod; The measuring rod is vertically positioned on the front side of the movable frame and can move up and down relative to it.

2. The concrete pavement thickness control apparatus of claim 1, wherein, The fixed rod is made of square steel, the movable frame is a square assembly, a nut is welded to the front side wall of the movable frame, and the measuring rod is threaded onto the nut.

3. The concrete pavement thickness control apparatus of claim 2, wherein, An auxiliary bracket is installed at the outer end of the telescopic rod. The auxiliary bracket includes a horizontal plate and a vertical plate. The top surface of the horizontal plate is fixed to the bottom surface of the telescopic rod, and the vertical plate is vertically fixed to the outer end of the horizontal plate and faces downward. Rollers are provided on the inner sides of the horizontal and vertical plates.

4. The concrete pavement thickness control apparatus of claim 2, wherein, The top surface of the movable frame is equipped with a handle.

5. The concrete pavement thickness control apparatus of claim 4, wherein, The handle is a 20mm diameter circular galvanized steel pipe, which is welded to the movable frame.

6. The concrete pavement thickness control apparatus of claim 2, wherein, The top surface of the fixing rod is threaded with a locking bolt near the end, which is used to fix the telescopic rod.

7. The concrete pavement thickness control device according to any one of claims 2-6, characterized in that, The fixed rod is a 40mm*40mm square steel, the telescopic rod is a 30mm*30mm square steel, and the telescopic rod has enlarged heads at both ends for easy pulling out from the fixed rod. The measuring rod is 300mm long.

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