Concrete manhole cover plate

Abstract

The utility model discloses a concrete manhole cover plate which comprises a concrete frame used for being filled with concrete, and first reinforcing steel bars arranged longitudinally and second reinforcing steel bars arranged transversely are arranged in the concrete frame. Through holes are formed in the left side wall face and the right side wall face of the concrete frame and the front side wall face and the rear side wall face of the concrete frame correspondingly, the two ends of the first reinforcing steel bar and the two ends of the second reinforcing steel bar penetrate into the through holes correspondingly, and limiting grooves are formed in the two ends of the first reinforcing steel bar and the two ends of the second reinforcing steel bar correspondingly; and a locking frame is fixedly mounted on the concrete frame, and the locking frame is inserted into the limiting groove. The through holes are formed, the steel bars are inserted into the through holes, and the locking frames are adopted to lock the steel bars, so that the steel bars are restrained, and the steel bars are kept in the through holes. Welding fixation can be replaced by adopting the fixing mode, so that the production efficiency is improved.

Description

Technical Field

[0001] The utility model relates to a concrete inspection well cover plate. Background Art

[0002] Prior art, such as Chinese utility model patent document with publication number CN220927952U, discloses a concrete manhole cover, including a manhole ring, in which a manhole cover is arranged, and the manhole cover is composed of a metal frame and concrete filling.

[0003] Based on the above, in the prior art, in order to ensure the strength of the concrete manhole cover, steel bars are implanted in the metal frame to enhance the overall strength. The existing steel bars are fixed in the metal frame by welding at both ends. The problem with this welding and fixing method is that each steel bar needs to be welded one by one, and the production efficiency is low, which needs further improvement. Utility Model Content

[0004] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the utility model proposes a concrete inspection well cover.

[0005] A concrete inspection well cover designed for this purpose includes a concrete frame for filling concrete, wherein first steel bars arranged longitudinally and second steel bars arranged transversely are respectively arranged in the concrete frame, through holes are arranged on the left and right side walls and the front and rear side walls of the concrete frame, both ends of the first steel bar and both ends of the second steel bar are inserted into the through holes, both ends of the first steel bar and both ends of the second steel bar are provided with limiting grooves, and a locking frame is fixedly installed on the concrete frame, and the locking frame is inserted into the limiting grooves.

[0006] Preferably, both ends of the first steel bar and both ends of the second steel bar extend through the through hole to the outside of the concrete frame, and the limiting groove is arranged on the outside of the concrete frame;

[0007] The inner wall surface of the locking frame is in contact with the outer wall surface of the concrete frame.

[0008] Preferably, a fastener is tied at the intersection of the first steel bar and the second steel bar.

[0009] Preferably, a plurality of mounting holes are provided on the locking frame, and connecting holes interconnected with the mounting holes are provided on the concrete frame, and bolts are passed through the mounting holes and threadedly connected with the connecting holes.

[0010] Compared with the prior art, the utility model has through holes on the left and right walls of the concrete frame and the front and rear walls of the concrete frame, both ends of the first steel bar and both ends of the second steel bar are inserted into the through holes, both ends of the first steel bar and both ends of the second steel bar are provided with limiting grooves, and a locking frame is fixedly installed on the concrete frame, and the locking frame is inserted into the limiting grooves. The utility model adopts the method of opening a through hole, inserting the steel bar into the through hole, and locking the steel bar with a locking frame, thereby constraining the steel bar and keeping the steel bar in the through hole. This fixing method can replace welding fixation, thereby improving production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0012] Figure 2 It is a schematic diagram of the exploded structure of the utility model;

[0013] Figure 3 It is a schematic diagram of the three-dimensional structure of the first steel bar. DETAILED DESCRIPTION

[0014] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0015] See also Figure 1-Figure 3 A concrete inspection well cover comprises a concrete frame 10 for filling concrete, wherein the concrete frame 10 is provided with first steel bars 210 arranged longitudinally and second steel bars 220 arranged transversely, and the left and right side walls of the concrete frame 10 and the front and rear side walls of the concrete frame 10 are provided with through holes 110, both ends of the first steel bar 210 and both ends of the second steel bar 220 are inserted into the through holes 110, and both ends of the first steel bar 210 and both ends of the second steel bar 220 are provided with limiting grooves 200, and a locking frame 30 is fixedly installed on the concrete frame 10, and the locking frame 30 is inserted into the limiting groove 200. The utility model adopts the method of opening a through hole, inserting a steel bar into the through hole, and locking the steel bar by using a locking frame, thereby constraining the steel bar and keeping the steel bar in the through hole. The use of this fixing method can replace welding fixation, thereby improving production efficiency.

[0016] During assembly, the first steel bar 210 and the second steel bar 220 are inserted into the through hole 110 one by one, and then the steel bar is rotated to adjust the direction of the limit groove 200 so that the opening direction of the limit groove 200 faces the insertion direction of the locking frame 30. Then the locking frame 30 is plugged into the concrete frame 10, and the locking frame 30 is plugged into the limit groove 200 during the plugging. After the assembly steps are completed, the assembled frame module can be poured with concrete, and the concrete material is poured inside the concrete frame 10. During the pouring, a prefabricated template is installed under the concrete frame 10 to prevent concrete leakage.

[0017] In the utility model, both ends of the first steel bar 210 and both ends of the second steel bar 220 extend through the through hole 110 to the outside of the concrete frame 10, and the limiting groove 200 is arranged on the outside of the concrete frame 10; the inner wall surface of the locking frame 30 is in contact with the outer wall surface of the concrete frame 10.

[0018] In the present invention, a fastener is tied at the intersection 50 of the first steel bar 210 and the second steel bar 220. The fastener can be tied with a steel wire rope.

[0019] See also Figure 1 and Figure 2 The locking frame 30 is provided with a plurality of mounting holes 300 , and the concrete frame 10 is provided with connecting holes 100 which are interconnected with the mounting holes 300 . Bolts 40 are passed through the mounting holes 300 and are threadedly connected with the connecting holes 100 .

[0020] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0021] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicating the orientation or position relationship are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. The terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features.

[0022] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. The technicians in this industry should understand that the utility model is not limited by the above embodiments. The above embodiments and the description are only to illustrate the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A concrete manhole cover, comprising a concrete frame (10) for filling concrete, wherein first steel bars (210) arranged longitudinally and second steel bars (220) arranged transversely are respectively arranged in the concrete frame (10), characterized in that: The left and right side walls of the concrete frame (10) and the front and rear side walls of the concrete frame (10) are provided with through holes (110), both ends of the first steel bar (210) and both ends of the second steel bar (220) are inserted into the through holes (110), both ends of the first steel bar (210) and both ends of the second steel bar (220) are provided with limiting grooves (200), and a locking frame (30) is fixedly installed on the concrete frame (10), and the locking frame (30) is inserted into the limiting grooves (200).

2. A concrete manhole cover according to claim 1, characterized in that: Both ends of the first steel bar (210) and both ends of the second steel bar (220) extend through the through hole (110) to the outside of the concrete frame (10), and the limiting groove (200) is arranged on the outside of the concrete frame (10); The inner wall surface of the locking frame (30) is in contact with the outer wall surface of the concrete frame (10).

3. The concrete manhole cover according to claim 1, characterized in that: A fastener is tied at the intersection (50) of the first steel bar (210) and the second steel bar (220).

4. The concrete manhole cover according to claim 1, characterized in that: The locking frame (30) is provided with a plurality of mounting holes (300), the concrete frame (10) is provided with connecting holes (100) that are interconnected with the mounting holes (300), and bolts (40) are passed through the mounting holes (300) and are threadedly connected to the connecting holes (100).

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