Quick replacement construction device for precast concrete pavement slab

Abstract

The utility model relates to a precast concrete pavement slab rapid replacement construction device which comprises a bottom frame, a concrete precast frame is installed at the upper end of the bottom frame, a plurality of sets of partition plates are installed in the concrete precast frame, and the interior of the concrete precast frame is divided into concrete precast areas through the partition plates. A driving device for manually driving the concrete prefabricated frame to move up and down is mounted on the bottom frame; a gravity pressurizing device capable of applying pressure to concrete in the concrete prefabricated frame is installed on the bottom frame and located over the concrete prefabricated frame. Cement is injected into the concrete prefabricating area of the concrete prefabricating frame, then pressure is applied to the concrete prefabricating area through the gravity pressurizing device, and it is ensured that a replacement plate has good overall bearing capacity; concrete prefabrication and integral replacement are adopted, the plate integrity is good, the crack resistance is high, the replacement operation time is short, timely, effective, economical and reasonable effects are achieved, and the influence on highway operation is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to cement concrete pavement technical field, concretely point to a kind of prefabricated concrete pavement slab quick replacement construction device. BACKGROUND

[0002] Cement concrete pavement has the advantages of high strength, good durability, long service life, simple construction, convenient material taking, low cost and is widely used in highway engineering pavement. But due to the design, construction, maintenance and other links of oversight, plus the increase of overload and over-limit vehicles, leading to pavement broken board, cement concrete crushing and other diseases, and develop very quickly. For cement concrete pavement fracture, broken board, crushing and other diseases, not only seriously affect the shear resistance, durability and pavement flatness and other use performance, but also cause great traffic safety hazard, therefore, how to replace broken board in time, effectively, economically and reasonably and quickly will become the important problem that many highway management departments face and need to solve urgently.

[0003] Prefabricated concrete pavement is obtained by pouring concrete into concrete frame, waiting for cooling and then taking out the concrete frame, the existing patent, such as application number 202120716690.6, a kind of cement concrete pavement quick board replacement, including first concrete prefabricated board and second concrete prefabricated board;Second concrete prefabricated board is set on the first concrete prefabricated board through detachable assembly;Detachable assembly includes first locating seat, second locating seat and connecting shaft;First locating seat is symmetrically arranged on both sides of first concrete prefabricated board;Second locating seat is symmetrically arranged on both sides of second concrete prefabricated board;The middle part of first locating seat is provided with first through hole;The middle part of second locating seat is provided with second through hole;Connecting shaft is detachably connected between first locating seat and second locating seat by passing through first through hole and second through hole respectively;The sidewall of first concrete prefabricated board is provided with a plurality of first grouting holes;The sidewall of second concrete prefabricated board is provided with a plurality of second grouting holes.

[0004] The above-mentioned concrete prefabricated whole replacement has good integrity, strong crack resistance and short replacement operation time. However, the efficiency is low, it cannot be moved and is limited. INVENTION CONTENTS

[0005] The utility model solves the above technical problem, and provides a prefabricated concrete pavement slab quick replacement construction device.

[0006] To solve the above technical problem, the technical scheme provided by the utility model is as follows:

[0007] A prefabricated concrete pavement slab quick replacement construction device, comprising a chassis, a concrete prefabricated frame is installed at the upper end of the chassis, a plurality of partitions are installed in the concrete prefabricated frame, and the concrete prefabricated frame is divided into a concrete prefabrication area by the partitions.

[0008] The bottom frame is provided with a driving device for manually driving the up-and-down movement of the concrete prefabricated frame.

[0009] The bottom frame is provided with a gravity pressurizing device above the concrete prefabricated frame for pressing the concrete in the concrete prefabricated frame.

[0010] Preferably, the bottom frame is provided with support rods and guide columns in opposition, and the upper ends of the two guide columns are connected with a connecting frame.

[0011] Preferably, the driving device comprises a U-shaped frame hinged to the outer sides of the two support rods and sleeve pipes slidingly connected to the outer sides of the guide columns, the outer sides of the two sleeve pipes are hinged with linkage plates, the other ends of the two linkage plates are hinged to the two sides of the opening of the U-shaped frame, and the lower ends of the sleeve pipes are connected with the concrete prefabricated frame.

[0012] Preferably, the gravity pressurizing device comprises screw rods arranged in opposition and a limiting plate connected to one side of the support rod, the limiting plate is provided with a through hole through which the screw rods pass, the outer sides of the screw rods are provided with limiting nuts, and the lower ends of the two screw rods above the concrete prefabricated frame are provided with weight pressing plates for pressing the concrete.

[0013] Preferably, the lower end of the bottom frame is provided with rolling wheels.

[0014] Preferably, the bottom frame is provided with a recess, and the recess is provided with a support block for supporting the partition plate.

[0015] With the above structure, the present application has the following advantages:

[0016] The present application injects cement into the concrete prefabricated area of the concrete prefabricated frame, and then presses the concrete by the gravity pressurizing device, so as to ensure that the replacement plate has good overall bearing capacity; the present application adopts concrete prefabricated overall replacement, and the plate has good overall performance and strong crack resistance, and the replacement operation time is short, timely and effective, economic and reasonable, and the influence on highway operation is reduced.

[0017] The above summary is only for the purpose of the description and is not intended to limit in any way. In addition to the above-described illustrative aspects, embodiments and features, further aspects, embodiments and features of the present application will be readily apparent from the drawings and detailed description below. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings in the following description only constitute some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings without creative labor.

[0019] Figure 1 is a structural schematic diagram of the present application;

[0020] Figure 2 is a construction schematic diagram of the present application;

[0021] Figure 3 is a structural schematic diagram of the present application after completing construction.

[0022] As shown in the figure: 1, the chassis; 101, the support rod; 102, the guide column; 103, the connecting frame; 2, the concrete prefabricated frame; 3, the partition plate; 4, the concrete prefabricated area; 5, the driving device; 501, the U-shaped frame; 502, the sleeve; 503, the linkage plate; 6, the gravity pressurizing device; 601, the threaded rod; 602, the limiting plate; 603, the through hole; 604, the limiting nut; 7, the rolling wheel; 8, the groove; 9, the support block. DETAILED DESCRIPTION

[0023] The embodiments of the present application will be described in detail below, and examples of the embodiments are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are only used to explain the present application, and cannot be understood as a limitation of the present application.

[0024] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected, it can be mechanically connected, or it can be electrically connected, it can be directly connected, or indirectly connected through an intermediate medium, it can be the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0025] The present application will be further described in detail below in combination with the whole text.

[0026] In combination with the drawings Figures 1-3The utility model provides a kind of precast concrete pavement slab quick replacement construction device, including chassis 1, the upper end of chassis 1 is equipped with concrete prefabricated frame 2, multiple groups of partition 3 are installed in concrete prefabricated frame 2, and partition 3 divides into concrete prefabrication area 4 in concrete prefabricated frame 2;The utility model uses, first broken or fractured cement concrete pavement is cleaned, chassis 1 is moved to the cement concrete pavement after cleaning, and concrete prefabricated frame 2 is located just above the cement concrete pavement after cleaning, can be connected concrete delivery pipe from the top of concrete prefabricated frame 2 or in the side opening of concrete prefabricated frame 2, and concrete is delivered in concrete prefabricated frame 2, waits cooling forming, and concrete prefabrication overall replacement, slab overall is good, and crack resistance is strong, replacement operation time is short, timely effective, economic and reasonable, reduce the influence to highway operation, effectively improve the efficiency of grouting, further improve the efficiency of broken plate replacement.

[0027] Supporting rod 101 and guide column 102 are oppositely installed on chassis 1, and the upper end surface of the two guide columns 102 is connected with connecting frame 103.

[0028] The utility model in specific implementation, as shown in Figure 1 And Figure 3 Manual driving concrete prefabricated frame 2 is installed on chassis 1 and moves up and down driving device 5;Driving device 5 includes the U-shaped frame 501 hinged on the outer side of two supporting rods 101 and the sleeve 502 slidingly connected with the outer side of guide column 102, the outer side of two sleeve 502 is hinged with linkage plate 503, the other end of two linkage plates 503 is hinged with the both sides of the opening of U-shaped frame 501, the lower end of sleeve 502 is connected with concrete prefabricated frame 2, manually moves down by U-shaped frame 501 hinged on the outer side of supporting rod 101, moves up by hinged linkage plate 503, to drive sleeve 502 to move up, to drive concrete prefabricated frame 2 to move up.

[0029] The utility model in specific implementation, as shown in Figure 1 And Figure 2As shown, the bottom frame 1 is provided with a gravity pressing device 6 above the concrete prefabricated frame 2, which can press the concrete in the concrete prefabricated frame 2. The gravity pressing device 6 comprises oppositely arranged threaded rods 601 and a limiting plate 602 connected to one side of the supporting rod 101, the limiting plate 602 is provided with a through hole 603 and the threaded rods 601 pass through the through hole 603, the outer side of the threaded rods 601 is provided with a limiting nut 604, and the lower ends of the two threaded rods 601 are provided with a weight pressing plate 605 above the concrete prefabricated frame 2, which is used for pressing the concrete. In use, the lower end of the concrete prefabricated frame 2 is attached to the ground to be repaired, the concrete is injected into the concrete prefabricated frame 2, then the limiting nut 604 is rotated away from the limiting plate 602, the weight pressing plate 605 is moved downward due to gravity, and the concrete in the concrete prefabricated frame 2 is pressed, so that the formed concrete slab has good integrity and strong crack resistance.

[0030] Specifically, the lower end of the weight pressing plate 605 can be provided with a protrusion, a pattern, a symbol, a picture for the concrete panel, or a changed shape.

[0031] Specifically, in the embodiment, the bottom frame 1 is provided with a rolling wheel 7, which can drive the device to move to a suitable position.

[0032] Specifically, in the embodiment, the bottom frame 1 is provided with a recess 8, and the recess 8 is provided with a supporting block 9 for supporting the concrete prefabricated frame 2, which can support the concrete prefabricated frame 2 when the construction is not needed.

[0033] Working principle of the utility model:

[0034] First, the broken or fractured cement concrete pavement is cleaned, the bottom frame 1 is moved to the cleaned cement concrete pavement, the concrete prefabricated frame 2 is located above the cleaned cement concrete pavement, the concrete conveying pipe can be connected to the concrete prefabricated frame 2 from above or from the side of the concrete prefabricated frame 2, then the limiting nut 604 is rotated away from the limiting plate 602, the weight pressing plate 605 is moved downward due to gravity, and the concrete in the concrete prefabricated frame 2 is pressed, after the concrete is cooled, the limiting nut 604 is rotated downward to approach the limiting plate 602, the upward and downward movement of the weight pressing plate 605 is limited, the U-shaped frame 501 is manually hinged to the outer side of the supporting rod 101 and moved downward, the hinged linkage plate 503 drives the sleeve 502 to move upward, thereby driving the concrete prefabricated frame 2 to move upward, the concrete panel is left at the desired position, the concrete prefabricated is replaced as a whole, the slab has good integrity and strong crack resistance, the replacement operation time is short, timely and effective, economical and reasonable, the influence on the highway operation is reduced, the grouting efficiency is effectively improved, and the efficiency of the broken plate replacement is further improved.

[0035] The above has described the utility model and its implementation mode, and this description is not restrictive, and the shown in the full text is only one of the implementation modes of the utility model, and the actual structure is not limited thereto. In general, if a person skilled in the art is inspired thereby, without departing from the creative purpose of the utility model, similar structural modes and embodiments are not creatively designed, which should belong to the protection scope of the utility model.

Claims

1. A device for rapid replacement construction of precast concrete pavement slabs, characterized in that The utility model provides a concrete prefabricating frame, which comprises a base frame (1), a concrete prefabricating frame (2) is installed on the upper end of the base frame (1), a plurality of groups of partition plates (3) are installed in the concrete prefabricating frame (2), and the concrete prefabricating frame (2) is divided into concrete prefabricating areas (4) by the partition plates (3). A driving device (5) for driving the concrete prefabricating frame (2) to move up and down manually is installed on the base frame (1). A gravity pressurizing device (6) for pressing the concrete in the concrete prefabricating frame (2) is installed on the base frame (1) and directly above the concrete prefabricating frame (2).

2. The device for quickly replacing precast concrete pavement slabs according to claim 1, characterized in that: Supporting rods (101) and guide columns (102) are oppositely installed on the base frame (1), and a connecting frame (103) is connected to the upper end faces of the two guide columns (102).

3. The device for quickly replacing precast concrete pavement slabs according to claim 1, characterized in that: The driving device (5) comprises U-shaped frames (501) hinged to the outer sides of the two supporting rods (101) and sleeve pipes (502) slidably connected to the outer sides of the guide columns (102), linkage plates (503) are hinged to the outer sides of the two sleeve pipes (502), the other ends of the two linkage plates (503) are hinged to the two sides of the opening of the U-shaped frame (501), and the lower ends of the sleeve pipes (502) are connected to the concrete prefabricating frame (2).

4. The device for rapid replacement of precast concrete pavement slabs according to claim 1, characterized in that: The gravity pressurizing device (6) comprises oppositely arranged threaded rods (601) and limiting plates (602) connected to one side of the supporting rod (101), a through hole (603) is formed in the limiting plate (602) and the threaded rod (601) passes through the through hole (603), a limiting nut (604) is installed on the outer side of the threaded rod (601), and weight pressing plates (605) for pressing the concrete are installed at the lower ends of the two threaded rods (601) and above the concrete prefabricating frame (2).

5. The device for rapid replacement of precast concrete pavement slabs according to claim 1, characterized in that: Rolling wheels (7) are installed at the lower ends of the base frame (1).

6. The device for rapid replacement of precast concrete pavement slabs according to claim 1, characterized in that: Grooves (8) are formed in the base frame (1), and supporting blocks (9) for supporting the concrete prefabricating frame (2) are clamped in the grooves (8).

Images