Fabricated concrete cover plate

Abstract

The utility model discloses an assembly type concrete cover plate which comprises a first supporting arm and a second supporting arm, the second supporting arm is arranged on the outer portion of the outer wall of the first supporting arm, a hinge shaft is installed on the portion, on one side of the second supporting arm, of the outer wall of the first supporting arm, and the first supporting arm is movably connected with the second supporting arm through the hinge shaft. A first supporting seat is installed on the outer wall of the first supporting arm, an electric push rod is arranged in the first supporting seat, a first connecting shaft is installed at the end, close to the first supporting seat, of the electric push rod, and the electric push rod is movably connected with the first supporting seat through the first connecting shaft. According to the utility model, the buckling type assembly of a plurality of groups of concrete cover plates is realized, the rotary assembly of the concrete cover plates is facilitated, the rapid setting, hardening and forming of the concrete cover plates are facilitated, the structural strength is increased, and the assembly convenience of the concrete cover plates is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of concrete cover plates, in particular to an assembled concrete cover plate. Background Art

[0002] A substation is a place in the power system that transforms voltage and current, receives electric energy and distributes electric energy. The substation in a power plant is a step-up substation, and its function is to step up the voltage of the electric energy generated by the generator and feed it into the high-voltage power grid. The electric energy inside the substation needs to be transmitted by cables, and the cables need to be laid in trenches for protection. Currently, cable trenches are mostly constructed with prefabricated concrete covers.

[0003] For example, an assembled concrete cover plate disclosed in the authorization announcement number CN219992549U includes a cover plate body, a manhole cover slot is provided in the middle of the cover plate body, a bearing ring is provided at the lower part of the manhole cover slot, a manhole cover plate is provided on the bearing ring, a side of the cover plate body is provided with a plurality of assembly columns and positioning convex plates, and the other opposite side is provided with a plurality of assembly grooves matching the assembly columns and positioning grooves matching the positioning convex plates. Anti-slip grooves are provided in the middle and around the top of the manhole cover plate. Manhole cover carrying holes are provided on both sides of the manhole cover plate, and two slot holes are provided on the inner side of the manhole cover carrying hole;

[0004] Although it realizes the laying by using the cover body, the cover body is provided with mutually matching assembly columns and assembly grooves on the side, and is positioned by positioning convex plates and positioning grooves, so as to realize assembled continuous installation. In this product, the multi-layer setting of steel rings is adopted, which plays an important role in enhancing the strength of the cover body and the manhole cover, but it does not solve the problem that the existing concrete cover is not conducive to snap-on assembly, rotational assembly of concrete cover, and rapid coagulation and hardening of concrete cover, which affects the structural strength and the convenience of concrete cover assembly. Utility Model Content

[0005] The purpose of the utility model is to provide an assembled concrete cover plate to solve the problems raised in the above-mentioned background technology that the concrete cover plate is not convenient for snap-on assembly, the concrete cover plate is not convenient for rotational assembly, the concrete cover plate is not convenient for rapid solidification and hardening, which affects the structural strength and the convenience of concrete cover plate assembly.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an assembled concrete cover plate, comprising a first support arm and a second support arm, the second support arm is arranged on the outside of the outer wall of the first support arm, a hinge shaft is installed on the outer wall of the first support arm on one side of the second support arm, and the first support arm is movably connected to the second support arm through the hinge shaft, a first support seat is installed on the outer wall of the first support arm, an electric push rod is arranged inside the first support seat, a first connecting shaft is installed at one end of the electric push rod close to the first support seat, and the electric push rod is movably connected to the first support seat through the first connecting shaft, a telescopic rod is installed at the output end of the electric push rod, a second support seat is installed on the outer wall of the second support arm, a second connecting shaft is installed at one end of the telescopic rod close to the second support seat, and the telescopic rod is movably connected to the second support seat through the second connecting shaft, two groups of bending clamps are symmetrically arranged on the outside of the first support arm and the second support arm, and three groups of concrete cover plate bodies with equal spacing are arranged between the two groups of bending clamps.

[0007] Preferably, three groups of protrusions with equal spacing are provided on the outer wall of the concrete cover plate body, a groove is provided on the side of the concrete cover plate body away from the protrusions, and supporting steel bars are provided between the two groups of bending clamps, and the supporting steel bars are connected to the concrete cover plate body.

[0008] Preferably, a supporting sleeve is installed on the outer wall of the first supporting arm and the second supporting arm on one side away from the hinge axis, and a connecting slide is symmetrically slidably installed inside the supporting sleeve, and the connecting slide extends to the outside of the supporting sleeve.

[0009] Preferably, the surface of the concrete cover plate body on one side of the connecting slide plate is provided with four groups of screw holes at equal intervals, the surface of the connecting slide plate on one side of the concrete cover plate body is provided with first bolts, and the first bolts extend through the connecting slide plate to the inside of the screw holes.

[0010] Preferably, the first support arm and the second support arm are both provided with a second bolt at one end away from the support sleeve, and the second bolt passes through the first support arm and the second support arm and extends to the inside of the screw hole.

[0011] Preferably, the concrete cover slab body is provided with a first longitudinal steel bar inside, the concrete cover slab body on one side of the first longitudinal steel bar is provided with a second longitudinal steel bar inside, the concrete cover slab body on one side of the first longitudinal steel bar is provided with a plurality of groups of transverse stirrups with equal intervals inside, and the transverse stirrups are connected to the first longitudinal steel bar and the second longitudinal steel bar.

[0012] Preferably, the outer wall of the concrete cover slab body is provided with a steel plate frame, and the steel plate frame is fixedly connected to the concrete cover slab body through concrete pouring.

[0013] Preferably, the interior of the concrete cover plate body is provided with a steel mesh, and the steel mesh is connected to the first longitudinal steel bar, the second longitudinal steel bar, and the transverse stirrups.

[0014] Compared with the prior art, the beneficial effects of the utility model are: the concrete cover plate not only realizes the snap-on assembly between multiple groups of concrete cover plates, facilitates the rotational assembly of the concrete cover plates, facilitates the rapid coagulation and hardening of the concrete cover plates, increases the structural strength, and improves the convenience of concrete cover plate assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0016] Figure 2 It is a schematic diagram of the three-dimensional structure of the protrusion of the utility model;

[0017] Figure 3 This is a front view structural schematic diagram of the utility model;

[0018] Figure 4 It is a three-dimensional enlarged structural diagram of the concrete cover plate body of the utility model;

[0019] Figure 5 It is a schematic diagram of an enlarged front cross-sectional structure of the wire mesh of the utility model.

[0020] In the figure: 1. first support arm; 2. second support arm; 3. hinge shaft; 4. electric push rod; 5. telescopic rod; 6. first connecting shaft; 7. second connecting shaft; 8. supporting sleeve; 9. connecting slide plate; 10. bending clamp; 11. supporting steel bar; 12. concrete cover plate body; 13. screw hole; 14. groove; 15. bump; 16. first bolt; 17. first support seat; 18. second support seat; 19. first longitudinal steel bar; 20. second longitudinal steel bar; 21. transverse stirrup; 22. steel plate frame; 23. wire mesh; 24. second bolt. DETAILED DESCRIPTION

[0021] In order to further explain the technical means and effects adopted by the present invention to achieve the predetermined purpose of the utility model, the specific implementation method, structure, characteristics and effects of the present invention are described in detail below in combination with the accompanying drawings and preferred embodiments.

[0022] See also Figure 1-5The utility model provides an embodiment: an assembled concrete cover plate, including a first support arm 1 and a second support arm 2, the second support arm 2 is arranged on the outer wall of the first support arm 1, a hinge shaft 3 is installed on the outer wall of the first support arm 1 on one side of the second support arm 2, and the first support arm 1 is movably connected with the second support arm 2 through the hinge shaft 3, a first support seat 17 is installed on the outer wall of the first support arm 1, and an electric push rod 4 is arranged inside the first support seat 17, and the electric push rod 4 plays a role of power output, and the electric push rod 4 is close to A first connecting shaft 6 is installed at one end of the first support seat 17, and the electric push rod 4 is movably connected to the first support seat 17 through the first connecting shaft 6, a telescopic rod 5 is installed at the output end of the electric push rod 4, a second support seat 18 is installed on the outer wall of the second support arm 2, a second connecting shaft 7 is installed at one end of the telescopic rod 5 close to the second support seat 18, and the telescopic rod 5 is movably connected to the second support seat 18 through the second connecting shaft 7, and two sets of bending clamps 10 are symmetrically arranged on the outside of the first support arm 1 and the second support arm 2, and the two sets of bending clamps 10 are symmetrically arranged on the outside of the first support arm 1 and the second support arm 2. Three groups of concrete cover bodies 12 are arranged at equal intervals between the two support arms 1 and the second support arm 2, three groups of convex blocks 15 are arranged at equal intervals on the outer wall of the concrete cover body 12, a groove 14 is arranged on the side of the concrete cover body 12 away from the convex blocks 15, and a support steel bar 11 is arranged between the two groups of bending clamps 10, and the support steel bar 11 is connected to the concrete cover body 12, a support sleeve 8 is installed on the side of the outer wall of the first support arm 1 and the second support arm 2 away from the hinge shaft 3, and a connecting slide plate 9 is symmetrically slidably installed inside the support sleeve 8 , and the connecting slide plates 9 are all extended to the outside of the supporting sleeve 8, the surface of the concrete cover plate body 12 on one side of the connecting slide plate 9 is provided with four groups of screw holes 13 at equal intervals, the surface of the connecting slide plate 9 on one side of the concrete cover plate body 12 is provided with a first bolt 16, and the first bolt 16 passes through the connecting slide plate 9 to extend to the inside of the screw hole 13, and the first support arm 1 and the second support arm 2 are both provided with a second bolt 24 at one end away from the supporting sleeve 8, and the second bolt 24 passes through the first support arm 1 and the second support arm 2 to extend to the inside of the screw hole 13;

[0023] Cable trenches need to be constructed for the cables inside the substation. Currently, the trenches are constructed with concrete cover plates. When in use, an external power supply is used. First, three groups of concrete cover plate bodies 12 are connected and clamped together front and back through grooves 14 and protrusions 15, and the three groups of concrete cover plate bodies 12 are placed inside four groups of bending clamps 10. The supporting steel bars 11 are connected to multiple groups of concrete cover plate bodies 12 through bending clamps 10 to support the concrete cover plate bodies 12. The first bolts 16 are rotated on the surface of the connecting slide plate 9, and the first bolts 16 enter the screw holes 13 through the connecting slide plate 9. The connecting slide plate 9 is fixed to the surface of the concrete cover plate body 12 by the first bolts 16. The second bolts 24 are tightened by rotating the first support arm 1, and a group of second bolts 24 are connected to the screw holes 13 through the first support arm 1, and the first support arm 1 is fixed to the concrete cover plate body 12 by the second bolts 24. The surface of the arm 2 is rotated to tighten the second bolt 24, and the second bolt 24 is used to fix the second support arm 2 and another group of concrete cover plate bodies 12. The electric push rod 4 is opened by operation. Under the movable support of the first connecting shaft 6, the telescopic rod 5 is driven to move by the first connecting shaft 6, and the second supporting seat 18 is driven to rotate by the telescopic rod 5 through the second connecting shaft 7. The second supporting seat 18 drives the second support arm 2 to rotate. The second support arm 2 rotates around the hinge shaft 3 as the axis, and the second support arm 2 drives the three groups of concrete cover plate bodies 12 to rotate through the supporting sleeve 8 and the connecting slide plate 9. Under the support of the bending clamp 10 and the supporting steel bar 11, it is convenient to connect with the concrete cover plate body 12 at the bottom end of the first support arm 1, so as to facilitate the assembly of multiple groups of concrete cover plate bodies 12, realize the convenient snap-on assembly between multiple groups of concrete cover plates, facilitate the rotational assembly of concrete cover plates, and improve the convenience of concrete cover plate assembly;

[0024] The concrete cover slab body 12 is provided with a first longitudinal steel bar 19 inside, the concrete cover slab body 12 on one side of the first longitudinal steel bar 19 is provided with a second longitudinal steel bar 20 inside, the concrete cover slab body 12 on one side of the first longitudinal steel bar 19 is provided with multiple groups of transverse stirrups 21 at equal intervals inside, and the transverse stirrups 21 are connected to the first longitudinal steel bar 19 and the second longitudinal steel bar 20, the outer wall of the concrete cover slab body 12 is provided with a steel plate frame 22, and the steel plate frame 22 is fixedly connected to the concrete cover slab body 12 through concrete pouring, and the concrete cover slab body 12 is provided with a steel mesh 23 inside, and the steel mesh 23 is connected to the first longitudinal steel bar 19, the second longitudinal steel bar 20, and the transverse stirrups 21;

[0025] When in use, the first longitudinal steel bar 19 and the second longitudinal steel bar 20 are placed on both sides of the concrete cover plate body 12, and the first longitudinal steel bar 19 and the second longitudinal steel bar 20 are connected by multiple groups of transverse stirrups 21. A steel plate frame 22 is set on the outer wall of the concrete cover plate body 12, and the concrete cover plate body 12 is formed and bound by the steel plate frame 22. A steel mesh 23 is placed inside the concrete cover plate body 12 and connected to the first longitudinal steel bar 19, the transverse stirrups 21, and the second longitudinal steel bar 20. By pouring concrete into the concrete cover plate body 12, the molding of the concrete cover plate body 12 is facilitated, and concrete overflow is prevented under the protection of the steel plate frame 22. With the support of the first longitudinal steel bar 19, the second longitudinal steel bar 20, and the transverse stirrups 21 on the concrete cover plate body 12, the coagulation and hardening of the concrete cover plate body 12 is facilitated, and the use of the concrete cover plate body 12 is facilitated, thereby realizing convenient coagulation and hardening molding of the concrete cover plate and increasing the structural strength of the concrete cover plate.

[0026] Working principle: The cables inside the substation need to build cable trenches. At present, the trenches are constructed with concrete covers. When in use, an external power supply is connected. First, three groups of concrete cover bodies 12 are connected and clamped together through the grooves 14 and the protrusions 15. The three groups of concrete cover bodies 12 are placed inside the four groups of bending clamps 10. The supporting steel bars 11 are connected to the multiple groups of concrete cover bodies 12 through the bending clamps 10 to support the concrete cover bodies 12. The first bolt 16 is rotated on the surface of the connecting slide 9. The first bolt 16 enters the screw hole 13 through the connecting slide 9, and the connecting slide 9 is fixed to the concrete by the first bolt 16. The surface of the cover plate body 12 is tightened by rotating the second bolt 24 on the first support arm 1, and a group of second bolts 24 are connected to the screw hole 13 through the first support arm 1, and the first support arm 1 is fixed to the concrete cover plate body 12 by the second bolt 24, and the second support arm 2 is fixedly connected to another group of concrete cover plate bodies 12 by the second bolt 24 by rotating and tightening the second bolt 24 on the surface of the second support arm 2, and the electric push rod 4 is opened by operation, and under the movable support of the first connecting shaft 6, the telescopic rod 5 is driven by the first connecting shaft 6 to move, and the telescopic rod 5 drives the second support seat 18 to rotate through the second connecting shaft 7, and the second support seat 18 drives the second support The arm 2 rotates, and the second support arm 2 rotates with the hinge shaft 3 as the axis. The second support arm 2 drives the three groups of concrete cover plate bodies 12 to rotate through the support sleeve 8 and the connecting slide plate 9. Under the support of the bending clamp 10 and the supporting steel bar 11, it is convenient to connect with the concrete cover plate body 12 at the bottom end of the first support arm 1, so as to facilitate the assembly of multiple groups of concrete cover plate bodies 12. After that, the first longitudinal steel bar 19 and the second longitudinal steel bar 20 are placed on both sides of the interior of the concrete cover plate body 12, and the first longitudinal steel bar 19 and the second longitudinal steel bar 20 are connected by multiple groups of transverse stirrups 21. By setting a steel plate frame 22 on the outer wall of the concrete cover plate body 12 The concrete cover slab body 12 is formed and bound by the steel plate frame 22, and the wire mesh 23 is placed inside the concrete cover slab body 12 and connected with the first longitudinal steel bar 19, the transverse stirrups 21, and the second longitudinal steel bar 20. By pouring concrete into the concrete cover slab body 12, the concrete cover slab body 12 is formed. Under the protection of the steel plate frame 22, concrete overflow is prevented. Under the support of the first longitudinal steel bar 19, the second longitudinal steel bar 20, and the transverse stirrups 21, the concrete cover slab body 12 is conveniently solidified and hardened to form, so that the concrete cover slab body 12 can be used conveniently, thereby completing the use of the concrete cover slab.

[0027] The above description is only a preferred embodiment of the present invention and does not constitute any form of limitation to the present invention. Although the present invention has been disclosed as a preferred embodiment as above, it is not intended to limit the present invention. Any technical personnel in this field can make some changes or modify the technical contents disclosed above into equivalent embodiments without departing from the scope of the technical solution of the present invention. However, any brief modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. An assembled concrete cover plate, comprising a first support arm (1) and a second support arm (2), Features: A second support arm (2) is arranged on the outside of the outer wall of the first support arm (1); a hinge shaft (3) is installed on the outer wall of the first support arm (1) on one side of the second support arm (2); and the first support arm (1) is movably connected to the second support arm (2) via the hinge shaft (3); a first support seat (17) is installed on the outer wall of the first support arm (1); an electric push rod (4) is arranged inside the first support seat (17); a first connecting shaft (6) is installed at one end of the electric push rod (4) close to the first support seat (17); and the electric push rod (4) is connected to the first support seat (17) via the first connecting shaft (6). The support seat (17) is movably connected, a telescopic rod (5) is installed at the output end of the electric push rod (4), a second support seat (18) is installed on the outer wall of the second support arm (2), a second connecting shaft (7) is installed at one end of the telescopic rod (5) close to the second support seat (18), and the telescopic rod (5) is movably connected to the second support seat (18) through the second connecting shaft (7), and two groups of bending clamps (10) are symmetrically arranged on the outside of the first support arm (1) and the second support arm (2), and three groups of concrete cover plate bodies (12) are arranged at equal intervals between the two groups of bending clamps (10).

2. The assembled concrete cover according to claim 1, Features: Three groups of convex blocks (15) with equal spacing are arranged on the outer wall of the concrete cover plate body (12); a groove (14) is arranged on the side of the concrete cover plate body (12) away from the convex blocks (15); and support steel bars (11) are arranged between the two groups of bending clamps (10), and the support steel bars (11) are connected to the concrete cover plate body (12).

3. The assembled concrete cover according to claim 1, Features: A support sleeve (8) is installed on the side of the outer wall of the first support arm (1) and the second support arm (2) away from the hinge shaft (3), and a connecting slide plate (9) is symmetrically slidably installed inside the support sleeve (8), and the connecting slide plate (9) extends to the outside of the support sleeve (8).

4. The assembled concrete cover according to claim 3, Features: The surface of the concrete cover plate body (12) on one side of the connecting slide plate (9) is provided with four groups of screw holes (13) at equal intervals, and the surface of the connecting slide plate (9) on one side of the concrete cover plate body (12) is provided with first bolts (16), and the first bolts (16) extend through the connecting slide plate (9) to the inside of the screw holes (13).

5. The assembled concrete cover according to claim 4, Features: A second bolt (24) is provided at one end of the first support arm (1) and the second support arm (2) away from the support sleeve (8), and the second bolt (24) passes through the first support arm (1) and the second support arm (2) and extends to the inside of the screw hole (13).

6. The assembled concrete cover according to claim 1, Features: The concrete cover slab body (12) is provided with a first longitudinal steel bar (19) inside, the concrete cover slab body (12) on one side of the first longitudinal steel bar (19) is provided with a second longitudinal steel bar (20) inside, the concrete cover slab body (12) on one side of the first longitudinal steel bar (19) is provided with a plurality of groups of transverse stirrups (21) at equal intervals inside, and the transverse stirrups (21) are connected to the first longitudinal steel bar (19) and the second longitudinal steel bar (20).

7. The assembled concrete cover according to claim 6, Features: The outer wall of the concrete cover plate body (12) is provided with a steel plate frame (22), and the steel plate frame (22) is fixedly connected to the concrete cover plate body (12) through concrete pouring.

8. The assembled concrete cover according to claim 6, Features: The concrete cover plate body (12) is provided with a steel mesh (23) inside, and the steel mesh (23) is connected to the first longitudinal steel bar (19), the second longitudinal steel bar (20), and the transverse stirrups (21).

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