CN215164555U - Prefabricated box culvert tongue-and-groove mortar colludes concave joint device - Google Patents

Abstract

The utility model discloses a precast box culvert tongue-and-groove mortar colludes slot device, including collapsible handle, hinged support, nylon wheel, doctor-bar, gyro wheel, scalable spring beam and boss, collapsible handle divide into front and back two parts, front and back part is by inserted block fixed connection, collapsible handle side is provided with the groove that can insert the inserted block, two parts are articulated through the hinged support of its lower end fixed mounting and are connected, one end bottom of collapsible handle is provided with a nut and fixed connection, when the position of doing the job is higher, can pull out the inserted block of collapsible handle both sides, bend two sections of collapsible handle into the right angle, insert the right angle inserted block in collapsible handle both sides, the workman can continue the operation hand the tip of collapsible handle, can dismantle the flange on the baffle both sides position when using in narrow and small position and conveniently use, can increase the atmospheric pressure water pitcher according to the dry and wet condition of the concrete of colluding, and (4) lubricating the nylon round wheel.

Description

Prefabricated box culvert tongue-and-groove mortar colludes concave joint device

Technical Field

The utility model relates to a bridge and culvert construction field specifically is a concave joint device is colluded to prefabricated box culvert tongue-and-groove mortar.

Background

The rabbet refers to a joint where the middle tenon of one side plate is matched and connected with the mortise of the edge of the adjacent plate to transfer load between two adjacent cement concrete road plates. The traditional construction method for the tongue-and-groove joint pointing of the prefabricated box culvert is that mortar is firstly used for trowelling the tongue-and-groove joint, and then a tool made of 12# round steel is used for manually pressing a concave joint on the trowelled tongue-and-groove joint, so that the quality problems of fullness, compactness, smoothness, attractiveness and the like of the concave joint are difficult to control in the construction process, and the phenomenon of falling and rework at the later stage sometimes occurs.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a prefabricated box culvert tongue-and-groove mortar colludes concave joint device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a precast box culvert tongue-and-groove mortar concave-pointing device comprises a foldable handle, a hinged support, a nylon round wheel, a scraping blade, a roller, a telescopic spring rod and a boss, wherein the foldable handle is divided into a front part and a rear part, the front part and the rear part are fixedly connected through an insert, a groove capable of being inserted into the insert is arranged on the side surface of the foldable handle, the two parts are hinged through the hinged support fixedly installed at the lower end of the foldable handle, a nut is arranged at the bottom of one end of the foldable handle and fixedly connected, a bolt is arranged in the middle of the nut and connected in a threaded manner, a nylon round wheel support is arranged at one end of the bolt, which is far away from the nut, and is rotatably connected, a baffle is arranged at the front half part of the foldable handle, a connecting rod is arranged below the baffle, the nylon round wheel support is arranged on the connecting rod, the nylon round wheel support is connected with the nylon round wheel through a shaft, the scraping blade is arranged above the nylon round wheel, and a convex plate is respectively arranged at two sides of the baffle, two blocks of protruding board below respectively are provided with two scalable spring levers, and every scalable spring lever lower extreme is provided with a boss, is provided with a gyro wheel in the middle of two bosses, and the gyro wheel is connected on the boss by the circle hub connection, and an atmospheric pressure water pitcher has been placed to the baffle top, and two water pipes have been placed to atmospheric pressure water pitcher middle part, and the water pipe extends to nylon wheel top and is fixed by the telescopic link, and the one end of atmospheric pressure water pitcher is provided with the valve.

Preferably, when the included angle of the two sections of the foldable handle is 0 degree, the insertion blocks are inserted into the two sides of the foldable handle to fix the two sections of the foldable handle; when the included angle of the two sections of the foldable handle is 90 degrees, the right-angle insertion blocks are inserted into the two sides of the foldable handle to fix the two sections of the foldable handle.

Preferably, the two sides of the baffle are respectively provided with a convex plate, and the convex plates are fixedly connected on the baffle through a connecting block and are designed to be detachable.

Preferably, the water pipe can be adjusted in position according to the telescopic rod.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses can improve prefabricated box culvert tongue-and-groove jointing quality and jointing efficiency, avoid the later stage probably to appear the quality problems of coming off reworking. Compared with the traditional operation mode, the method has the following advantages:

1. the left and right nylon round wheels are used for supporting, the middle nylon round wheel can repeatedly compact tongue-and-groove mortar to form a concave joint, and the concave surface of the mortar joint is about 5mm lower;

2. the left and right rollers can be detached to be conveniently used in a narrow space;

3. the surface of the concave seam is neat, full and dense, and linear, smooth and beautiful;

4. the scraping blade can shovel off mortar adhered to the middle nylon round wheel, so that the surface cleanness of the concave joint is ensured;

5. the handle part is the design of folded cascade segmentation, facilitates the use.

Drawings

FIG. 1 is a schematic view of the main structure of the device of the present invention;

FIG. 2 is a schematic diagram of the front structure of the device of the present invention;

FIG. 3 is a schematic view of detail A of FIG. 2;

FIG. 4 is a schematic structural view of a side groove of a handle of the device of the present invention;

fig. 5 is a schematic structural view of the right-angle insert block of the device of the present invention.

In the figure: 1. the device comprises a foldable handle, 2, an insert block, 3, a hinged support, 4, a baffle, 5, a connecting rod, 6, a nylon round wheel support, 7, a nylon round wheel, 8, a shaft, 9, a scraping blade, 10, a convex plate, 11, a roller, 12, a telescopic spring rod, 13, a boss, 14, a round shaft, 15, a connecting block, 16, a pneumatic water tank, 17, a water pipe, 18, a telescopic rod, 19, a valve, 20, a right-angle insert block, 21, a bolt, 22 and a nut.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a precast box culvert tongue-and-groove mortar concave-groove joint device comprises a foldable handle 1, a hinged support 3, a nylon round wheel 7, a scraping blade 9, a roller 11, a telescopic spring rod 12 and a boss 13, wherein the foldable handle 1 is divided into a front part and a rear part, the front part and the rear part are fixedly connected by an insert block 2, a groove capable of being inserted into the insert block 2 is arranged on the side surface of the foldable handle 1, the two parts are hinged and connected by the hinged support 3 fixedly arranged at the lower end of the foldable handle 1, a nut 22 is arranged at the bottom of one end of the foldable handle 1 and fixedly connected, a bolt 21 is arranged at the middle part of the nut 22 and in threaded connection, a nylon round wheel support 6 is arranged at one end of the bolt 21 far away from the nut 1 and is in rotating connection, a baffle 4 is arranged at the front half part of the foldable handle 1, a connecting rod 5 is arranged below the baffle 4, the nylon round wheel support 6 is arranged on the connecting rod 5, and the nylon round wheel support 6 is connected with the nylon wheel 7 by a shaft 8, a scraping blade 9 is arranged above the nylon round wheel 7, two sides of the baffle plate 4 are respectively provided with a convex plate 10, two telescopic spring rods 12 are respectively arranged below the two convex plates 10, the lower end of each telescopic spring rod 12 is provided with a boss 13, a roller 11 is arranged between the two bosses 13, the roller 11 is connected onto the bosses 13 through a round shaft 14, an air pressure water tank 16 is arranged above the baffle plate 4, two water pipes 17 are arranged in the middle of the air pressure water tank 16, the water pipes 17 extend to the upper part of the nylon round wheel and are fixed through telescopic rods 18, one end of the air pressure water tank 17 is provided with a valve 19, when the included angle of the two sections of the foldable handle 1 is 0 degree, the inserting blocks 2 are inserted into the two sides of the foldable handle 1, and the two sections of the foldable handle 1 are fixed; when the included angle of two sections of the foldable handle 1 is 90 degrees, the right-angle insertion blocks 20 are inserted into two sides of the foldable handle 1 to fix two sections of the handle 8 of the foldable handle 1, the convex plates 10 are respectively arranged on two sides of the baffle 4, the convex plates 10 are fixedly connected on the baffle 4 through the connecting blocks 15 and are designed to be detachable, and the position of the water pipe 17 can be adjusted according to the telescopic rod 18.

The utility model discloses a theory of operation does: firstly, adjusting bolts 21 according to the depth of a required pointing concave seam, rotating the bolts 21 at the middle position to screw the bolts out of nuts 22 to deepen the depth of the pointing concave seam, firstly filling mortar into the tongue-and-groove seam by one worker, rolling the rollers 11 at the left and right sides on the surface of the concrete of the prefabricated box culvert at the two sides of the tongue-and-groove seam of the prefabricated box culvert by the tail part of the foldable handle 1 held by the other worker to play a role of guiding and supporting, meanwhile, repeatedly rolling the middle nylon round wheel 7 up and down along the tongue-and-groove seam of the prefabricated box culvert at a constant speed to press the mortar into the concave seam, scraping the concrete adhered on the nylon round ball 7 by a scraping blade 9 until the concrete is compact, full and smooth, when the working position is higher, pulling out the insertion blocks 2 at the two sides of the foldable handle 1, bending the two sections of the foldable handle 1 into right angles, inserting the right-angle insertion blocks 20 into the two sides of the foldable handle 1, and continuing the operation by the end part of the foldable handle 1 held by the worker, when the device is used in a narrow position, the convex plates 10 on the two sides of the baffle 4 can be detached for convenient use, the air pressure water tank 16 can be added according to the dry and wet condition of jointing concrete to lubricate the nylon round wheel 7, the nylon round wheel 7 is also called a plastic round wheel, the nylon round wheel 7 has the advantages of no hydrophilicity, light weight and no adhesion to the concrete, and the device can be used as a construction device for jointing the concave joint of the grout rubble.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (4)

1. The utility model provides a prefabricated box culvert tongue-and-groove mortar colludes slot device, includes collapsible handle (1), hinged-support (3), nylon wheel (7), doctor-bar (9), gyro wheel (11), scalable spring beam (12) and boss (13), its characterized in that: the foldable handle (1) is divided into a front part and a rear part, the front part and the rear part are fixedly connected by an insert block (2), a groove capable of being inserted into the insert block (2) is arranged on the side surface of the foldable handle (1), the two parts are hinged and connected by a hinged support (3) fixedly arranged at the lower end of the foldable handle, a nut (22) is arranged at the bottom of one end of the foldable handle (1) and is fixedly connected, a bolt (21) is arranged in the middle of the nut (22) and is in threaded connection, a nylon round wheel support (6) is arranged at one end, far away from the nut (22), of the bolt (21) and is in rotating connection, a baffle (4) is arranged at the front half part of the foldable handle (1), a connecting rod (5) is arranged below the baffle (4), a nylon round wheel support (6) is arranged on the connecting rod (5), a nylon round wheel (7) is connected with the nylon round wheel support (6) by a shaft (8), and a scraping blade (9) is arranged above the nylon round wheel (7), the two sides of the baffle (4) are respectively provided with a convex plate (10), two telescopic spring rods (12) are respectively arranged below the two convex plates (10), the lower end of each telescopic spring rod (12) is provided with a boss (13), a roller (11) is arranged in the middle of each boss (13), the roller (11) is connected to the boss (13) through a round shaft (14), an air pressure water tank (16) is placed above the baffle (4), two water pipes (17) are placed in the middle of the air pressure water tank (16), the water pipes (17) extend to the upper portion of the nylon round wheel and are fixed through telescopic rods (18), and one end of the air pressure water tank (17) is provided with a valve (19).

2. The precast box culvert tongue-and-groove mortar grooving device according to claim 1, characterized in that: when the included angle of the two sections of the foldable handle (1) is 0 degree, inserting blocks (2) are inserted into the two sides of the foldable handle (1) to fix the two sections of the foldable handle (1); when the included angle of the two sections of the foldable handle (1) is 90 degrees, the right-angle insertion blocks (20) are inserted into the two sides of the foldable handle (1) to fix the two sections of the handle (8) of the foldable handle (1).

3. The precast box culvert tongue-and-groove mortar grooving device according to claim 1, characterized in that: the convex plate (10) is fixedly connected to the baffle (4) through a connecting block (15), and the connecting block (15) is detachably designed.

4. The precast box culvert tongue-and-groove mortar grooving device according to claim 1, characterized in that: the water pipe (17) can be adjusted in position according to the telescopic rod (18).

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