CN215714694U

CN215714694U - Be used for wet seam concreting to grind paper-back edition fast and put

Info

Publication number: CN215714694U
Application number: CN202122234344.7U
Authority: CN
Inventors: 李志文; 李玲玉; 黄灿
Original assignee: Road and Bridge International Co Ltd; China Communication South Road and Bridge Co Ltd
Current assignee: Road and Bridge International Co Ltd; China Communication South Road and Bridge Co Ltd
Priority date: 2021-09-15
Filing date: 2021-09-15
Publication date: 2022-02-01
Anticipated expiration: 2031-09-15
Also published as: ZA202206457B

Abstract

The utility model belongs to the technical field of bridge construction, and relates to a quick grinding device for pouring concrete at a wet joint. The grinding device has the advantages of light structure dead weight, simple construction, convenient movement and repeated use, and can solve the problem of finishing and grinding the wet joint after concrete is poured in the current bridge deck construction.

Description

Be used for wet seam concreting to grind paper-back edition fast and put

Technical Field

The utility model belongs to the technical field of bridge construction, and particularly relates to a quick grinding and flat mounting method for wet joint pouring concrete.

Background

With the development of modern economic technology and the increasing demand of people on traffic conditions and traffic facilities, the proportion of bridge engineering in railways, expressways and municipal public transportation is larger and larger, the requirements of people on resources, environment and building performance are continuously improved, and the large-scale bridge construction is vigorously developed. In recent years, box girder structures are gradually popularized, and corresponding construction treatment is performed on some local structures in the construction process. If the prefabricated box girder is erected, the bridge deck construction needs to be carried out in time, wherein after the concrete is poured, the wet joint is generally smoothed and ground by using a mold. However, the traditional method is that the operator holds the top of the squatting box girder of the mold, and the mold is ground and compacted once, which is not beneficial to improving the construction efficiency and also increases the operation intensity of the operator.

SUMMERY OF THE UTILITY MODEL

In view of the above, the utility model aims to provide a wet joint pouring concrete rapid grinding device which is simple in structure, convenient to use, good in finishing effect, high in grinding efficiency and labor-saving, and aims to solve the problems of long time consumption and slow construction progress of the process caused by adopting a mold to finish and grind in the prior art.

In order to achieve the purpose, the utility model provides a quick grinding device for pouring concrete at a wet joint, which comprises a travelling mechanism, wherein a floating mechanism acting on the wet joint between two adjacent box girders is arranged on the travelling mechanism, the floating mechanism consists of a fixed frame and a scraper plate, the scraper plate is arranged on the fixed frame, and the fixed frame is detachably connected to the travelling mechanism.

Furthermore, a cross arm is arranged on the traveling mechanism, and the fixing frame is arranged on the cross arm.

Furthermore, the fixed mount is connected with the cross arm through a screw rod.

Furthermore, the walking mechanism consists of a wheel shaft, walking wheels and a push-pull rod, the two ends of the wheel shaft are respectively provided with the walking wheels, the distance between the two walking wheels is larger than the width of the wet joint, and the push-pull rod is arranged on the wheel shaft.

Further, the scraper plate is replaced by a spatula plate.

Furthermore, a positioning rod is arranged on the back of the plastering plate away from the surface of the wet joint, and a balance weight placed on the plastering plate is sleeved on the positioning rod.

Furthermore, the fixing frame consists of a front supporting rod and a rear supporting rod, one side ends of the front supporting rod and the rear supporting rod are connected together, the other side end of the front supporting rod and one side end of the rear supporting rod are fixedly connected with the plastering plate, the rear supporting rod consists of a lower rod, a spring cylinder and an upper rod, the spring cylinder is arranged between the upper rod and the lower rod, and the spring cylinder comprises a cylinder body and a spring which is arranged in the cylinder body and acts on the upper rod and the lower rod respectively.

Furthermore, the scraper plate and the plastering plate are arranged into a two-in-one structure, and the angle between the fixing frame and the walking mechanism is adjustable.

The utility model has the beneficial effects that:

1. the grinding device has the advantages of simple structure, reasonable design, time and labor saving, high construction speed, good quality, low construction cost and good use effect.

2. The grinding device has the advantages of light structure dead weight, simple construction, convenient movement and repeated use, and can solve the problem of finishing and grinding the wet joint after concrete is poured in the current bridge deck construction.

Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model. The objectives and other advantages of the utility model may be realized and attained by the means of the instrumentalities and combinations particularly pointed out hereinafter.

Drawings

For the purposes of promoting a better understanding of the objects, aspects and advantages of the utility model, reference will now be made to the following detailed description taken in conjunction with the accompanying drawings in which:

FIG. 1 is a schematic front view of a smoothing apparatus according to the present invention;

FIG. 2 is a schematic cross-sectional view of P-P of FIG. 1;

FIG. 3 is an enlarged view of portion A of FIG. 2;

FIG. 4 is another schematic structural view of the smoothing apparatus of the present invention;

FIG. 5 is a schematic view of a two-in-one structure of a troweling plate and a scraper plate of the smoothing device according to the present invention;

FIG. 6 is a schematic view of an application of the smoothing apparatus of the present invention;

reference numerals: the device comprises a plastering plate 1, a front support rod 2, a balance weight 3, a rear support rod 4, a spring cylinder 5, a spiral rod 6, a cross arm 7, a walking wheel 8, a push-pull rod 9, a wheel shaft 10, a positioning rod 11, a scraper plate 12 and a fixing frame 13; a lower rod 41, an upper rod 42; a spring 51, a cylinder 52; a troweling mechanism 100, a box girder 200, and a wet joint 300.

Detailed Description

The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The utility model is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention in a schematic way, and the features in the following embodiments and examples may be combined with each other without conflict.

Wherein the showings are for the purpose of illustrating the utility model only and not for the purpose of limiting the same, and in which there is shown by way of illustration only and not in the drawings in which there is no intention to limit the utility model thereto; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

Example one

As shown in fig. 1-3 and 6, the present embodiment provides a device for quickly smoothing wet joint pouring concrete, which includes: the floating mechanism 100 is used for carrying out grinding operation on the wet joint 300 between two adjacent box girders 200; the walking mechanism is used for pulling the floating mechanism 100 to walk so as to cooperate with the floating mechanism 100 for construction; the walking mechanism is of a conventional structure and comprises a wheel shaft 10, walking wheels 8 and a push-pull rod 9, wherein the walking wheels 8 are respectively arranged at two ends of the wheel shaft 10, the distance between the two walking wheels 8 is larger than the width of a wet joint 300, and the push-pull rod 9 is arranged on the wheel shaft 10 and can be of a double-holding-rod structure or a single-holding-rod structure; the walking wheels 8 are made of solid rubber wheels, the push-pull rod 9 is made of a high-strength steel pipe, and the plastic handrails are mounted at the upper ends of the push-pull rod, so that the operation comfort is improved; the lower end of the wheel shaft is fixed in the middle of the wheel shaft through a U-shaped clamp and a bolt, and the lower end of the wheel shaft is in a space vertical state with the wheel shaft. The floating mechanism 100 is composed of a floating panel 1 and a fixing frame 13, the floating panel 1 is made of steel plates, the front and the back of the floating panel are made into arc shapes, and the floating panel and the fixing frame 13 form a triangular structure, so that the stability is enhanced. Meanwhile, a positioning rod 11 is arranged on the surface of the plastering plate 1, which is far away from the wet joint 300, a balance weight 3 placed on the plastering plate 1 is sleeved on the positioning rod 11 so as to adjust the weight of the plastering plate 1 in the construction process, and a fixing frame 13 is detachably connected on a walking mechanism so as to facilitate construction, transportation and the like; the fixing frame 13 is composed of a front supporting rod 2 and a rear supporting rod 4, one side ends of the front supporting rod 2 and the rear supporting rod 4 are connected with each other, the other side end is fixedly connected with the plastering plate 1, the rear supporting rod 4 is composed of a lower rod 41, a spring cylinder 5 and an upper rod 42 to match with the counterweight 3 on the plastering plate 1, the spring cylinder 5 is arranged between the upper rod 42 and the lower rod 41, and comprises a cylinder body 52 and a spring 51 which is arranged in the cylinder body 52 and acts on the upper rod 42 and the lower rod 41 respectively, so that the fixing frame can be automatically adjusted in the using process.

The walking mechanism in this embodiment is provided with cross arms 7, that is, the cross arms 7 are installed on both sides of the walking wheel 8, and the fixing frame 13 is arranged on the cross arms 7, so as to facilitate connection and increase the overall rigidity of the trowelling mechanism 100; meanwhile, the fixing frame 13 is connected with the cross arm 7 through the screw rod 6, so that the fixing frame 13 has adjustability of vertical height relative to the cross arm 7 to adapt to the wet joint grinding construction of a box girder without use, the lower end of the screw rod is screwed into the positioning nut, and the relative height difference of the horizontal surfaces of the left side and the right side is adjusted through the screwed length to play a role in slope choosing.

The construction mode of the wet joint pouring concrete rapid grinding device is introduced as follows: firstly, manufacturing the grinding device according to the width of a wet joint of a bridge deck and the gradient of a cross slope; secondly, after concrete is poured at the wet joint position, screwing a nut by rotating a screw rod, and adjusting the length of the screwed nut according to the gradient of the cross slope, so that the transverse posture of the plastering plate is consistent with that of the bridge deck cross slope; then, the grinding device is arranged at one end, the push-pull rod handrail is held by a hand, the front and the back push-pull are carried out, the convex concrete is shoveled to be filled at the concave position, the top surface of the wet joint is quickly ground, and the aim of compaction is achieved by matching with a balance weight.

Example two

As shown in fig. 4, the present embodiment is different from the first embodiment in that: the troweling mechanism 100 is composed of a fixed frame 13 and a scraper plate 12, namely the scraper plate 12 replaces the troweling plate 1, but the installation angle between the fixed frame 13 and the cross arm 7 at the moment has certain limitation, so that the scraper plate 12 is obliquely arranged relative to the wet joint 300, and the grinding construction of the wet joint can also be achieved. The scraper plate 12 is made of a steel plate, the bottom of the scraper plate is provided with a cutting edge, and the scraper is arranged in a 45-degree posture. The fixing frame 13 and the scraper plate 12 form a triangular structure, so that the stability is enhanced.

EXAMPLE III

As shown in fig. 5, the present embodiment is different from the above embodiments in that: the scraper plate 12 and the plastering plate 1 are designed into a two-in-one structure, if the arc of the inner side end of the plastering plate 1 is modified into a blade structure, and an angle adjustable structure is arranged between the fixed frame 13 and the walking mechanism or the cross arm 7, so that the plastering mechanism has two deformation structures to meet the construction requirements of different wet joints on site.

Finally, the above embodiments are only intended to illustrate the technical solutions of the present invention and not to limit the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all of them should be covered by the claims of the present invention.

Claims

1. The utility model provides a grind paper-back edition fast and put for wet seam concreting, includes running gear, its characterized in that, running gear is last to set up floating mechanism (100) that acts on wet seam (300) between two adjacent case roof beams (200), floating mechanism comprises mount (13), scraper plate (12), the scraper plate is established on the mount, mount detachable connects on running gear.

2. The device for quickly grinding wet joint pouring concrete according to claim 1, wherein a cross arm (7) is arranged on the travelling mechanism, and the fixing frame is arranged on the cross arm.

3. The device for rapidly smoothing wet joint pouring concrete according to claim 2, wherein the fixing frame is connected with the cross arm through a screw rod (6).

4. The device for quickly grinding wet joint pouring concrete according to claim 1, wherein the travelling mechanism consists of a wheel shaft (10), travelling wheels (8) and a push-pull rod (9), the two ends of the wheel shaft are respectively provided with the travelling wheels, the distance between the two travelling wheels is larger than the width of the wet joint, and the push-pull rod is installed on the wheel shaft.

5. The device for rapid smoothing of wet joint cast concrete according to any one of claims 1-4, wherein the scraper plate is replaced by a trowel plate.

6. The device for quickly grinding wet joint pouring concrete according to claim 5, wherein a positioning rod (11) is arranged on the surface of the plastering plate, which is far away from the wet joint, and a counterweight (3) placed on the plastering plate is sleeved on the positioning rod.

7. The quick concrete grinding device for wet joint pouring according to claim 6, characterized in that the fixing frame is composed of a front supporting rod (2) and a rear supporting rod (4), one side ends of the front supporting rod and the rear supporting rod are connected with each other, the other side end of the front supporting rod and the rear supporting rod is fixedly connected with the plastering plate, the rear supporting rod is composed of a lower rod (41), a spring cylinder (5) and an upper rod (42), the spring cylinder is arranged between the upper rod and the lower rod, and comprises a cylinder body (52) and a spring (51) which is arranged in the cylinder body and acts on the upper rod and the lower rod respectively.

8. The device for rapidly flattening the wet joint pouring concrete according to claim 5, wherein the scraper plate and the plastering plate are arranged into a two-in-one structure, and an angle between the fixed frame and the traveling mechanism is adjustable.