CN216042683U

CN216042683U - Concrete construction joint roughening device

Info

Publication number: CN216042683U
Application number: CN202121396083.2U
Authority: CN
Inventors: 晁代帅; 杨明明; 赵晔; 汪叶苗; 张爱中; 张喜红
Original assignee: First Construction Co Ltd of China Construction Eighth Engineering Division Co Ltd
Current assignee: First Construction Co Ltd of China Construction Eighth Engineering Division Co Ltd
Priority date: 2021-06-23
Filing date: 2021-06-23
Publication date: 2022-03-15
Anticipated expiration: 2031-06-23

Abstract

The utility model discloses a concrete construction joint roughening device which comprises a supporting seat, a lifting rod and a spraying device, wherein the lifting rod is arranged between the supporting seat and the spraying device, the spraying device comprises a water pump and a plurality of sections of spraying components which are sequentially connected, each group of spraying components comprises a connecting sleeve, a nozzle mounting rod and a plurality of nozzles arranged on the nozzle mounting rods, the nozzle mounting rods of adjacent spraying components are arranged at intervals, the connecting sleeve comprises an embedded part and an outer sleeve part, the outer diameter of the embedded part is matched with the inner diameter of the outer sleeve part, and all the nozzles are connected with the water pump. The utility model is suitable for construction joints with steel reinforcement cages, such as support columns, shear walls and the like, and takes the influence of the steel reinforcement cages on the device into consideration, the spray head mounting rods are arranged at intervals, and one free end can extend into the upper part of the construction joints through gaps among the steel reinforcements to carry out spraying operation.

Description

Concrete construction joint roughening device

Technical Field

The utility model relates to the technical field of building construction, in particular to a roughening device for a concrete construction joint.

Background

In the existing concrete pouring structure, due to requirements or construction requirements, segmental pouring is required, and the setting time of the concrete poured before and the concrete poured after the concrete poured before exist in a front-back sequence, so that a joint surface exists, and the joint surface is a construction joint. In order to guarantee that hidden danger and quality problems occur on the joint surface, roughening treatment needs to be carried out on the joint surface, the traditional method is to chisel the concrete at the concrete pouring surface by the electric pick, the chiseled concrete to be chiseled is cleaned by the joint surface to be treated, and the problems of long time consumption, difficulty in cleaning, high operation difficulty and the like can be caused when the electric pick is used for operation.

In order to facilitate roughening treatment of a construction joint, a treatment mode exists at present, wherein a retarder is sprayed on a joint surface of concrete poured in advance before initial setting, so that the concrete at the joint and the peripheral concrete have different setting time, after the peripheral concrete is finally set, a high-pressure water gun is used for washing the joint surface, and the concrete at the joint surface is sprayed with the retarder and does not reach final setting, so that surface concrete is washed down under the washing of the high-pressure water gun to generate a rough surface effect.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects and provide the concrete construction joint operating device, which simplifies the operation process of workers and improves the roughening treatment quality.

The technical scheme adopted by the utility model is as follows:

the utility model provides a concrete construction joint roughening device, includes supporting seat, lifter and sprinkler, the lifter sets up between supporting seat and sprinkler, sprinkler includes the subassembly that sprays that water pump and a plurality of festival connect gradually, every group spray the subassembly and all include adapter sleeve, shower nozzle installation pole and set up a plurality of shower nozzles on shower nozzle installation pole, and the shower nozzle installation pole looks interval that adjacent sprayed the subassembly sets up, adapter sleeve includes embedded portion and outer cover portion, and the external diameter of embedded portion and the internal diameter phase-match of outer cover portion, and adjacent two sets of external cover portion that spray one of them adapter sleeve among the subassembly cup joints in another adapter sleeve's embedded portion to fix through the fastener, all shower nozzles all are connected with the water pump.

As a further optimization, the nozzle mounting rod is rotatably arranged on the connecting sleeve, the end part of the nozzle mounting rod is provided with a gear, the connecting sleeve of each group of spraying assemblies is internally provided with a rack which is meshed and connected with the gear, the racks are slidably arranged in the connecting sleeves, the racks of the adjacent spraying assemblies are butted through a clamping element, the rack in the middle connecting sleeve is connected with an operating handle, the connecting sleeve is provided with a transverse long hole, and the end part of the operating handle penetrates through the long hole and is positioned on the outer side of the connecting sleeve.

As a further optimization, the support seat comprises two side support legs and a middle sleeve for connecting the two side support legs, wherein each side support leg is in an L shape, one end of each side support leg extends into the middle sleeve, a positioning hole is formed in the end of each side support leg, a plurality of limiting holes are formed in the middle sleeve along the length direction of the middle sleeve, and a first limiting pin is connected between the positioning hole in each side support leg and one limiting hole.

As a further optimization, the lower end face of the other end of each side supporting leg is provided with a roller, and the side face of each supporting seat is provided with a quick buckle used for being clamped on a steel bar.

As a further optimization, the lifting rod comprises a fixed pipe and a movable pipe, the lower end of the fixed pipe is fixedly connected to the middle part of the middle sleeve, the spraying device is arranged at the upper end of the movable pipe, the movable pipe extends into the fixed pipe in a sliding mode, the movable pipe is provided with a positioning hole, the fixed pipe is provided with a plurality of limiting holes along the height direction of the fixed pipe, and a second limiting pin is arranged between the positioning hole in the movable pipe and one of the limiting holes in the fixed pipe.

As a further optimization, the spray mounting rod is formed by splicing a plurality of unit rods, and each unit rod is provided with at least one spray head.

The utility model has the following advantages:

1. the utility model is suitable for construction joints with steel reinforcement cages, such as support columns, shear walls and the like, and takes the influence of the steel reinforcement cages on the device into consideration, the spray head mounting rods are arranged at intervals, and one free end can extend into the upper part of the construction joints through gaps among the steel reinforcements to carry out spraying operation;

2. the spray head mounting rod can rotate by a certain angle, and the area covered by the spray head can be more uniform after the spray head swings by a certain angle by rotating the spray head mounting rod;

3. the supporting seat, the lifting rod and the nozzle mounting rod can be adjusted and expanded according to the range of the construction joint, and the application scene is wider.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

The utility model is further described below with reference to the accompanying drawings:

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

FIG. 2 is a schematic cross-sectional view taken along the line A-A in FIG. 1;

FIG. 3 is a schematic top view of a spraying device;

fig. 4 is a schematic front view of the installation of the operating handle.

Wherein: 1. the device comprises a supporting seat, 2 parts of a water pump, 3 parts of a lifting rod, 4 parts of a spraying device, 5 parts of a convenient buckle, 1-1 part of a roller, 1-2 parts of a side supporting leg, 1-3 parts of a middle sleeve, 1-4 parts of a first limiting pin, 3-1 parts of a fixed pipe, 3-2 parts of a second limiting pin, 3-3 parts of a movable pipe, 4-1 parts of a connecting sleeve, 4-2 parts of a gear, 4-3 parts of a rack, 4-4 parts of a nozzle mounting rod, 4-5 parts of a nozzle, 4-6 parts of an operating handle.

Detailed Description

The present invention is further described in the following with reference to the drawings and the specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not to be construed as limiting the present invention, and the embodiments and the technical features of the embodiments can be combined with each other without conflict.

It is to be understood that the terms first, second, and the like in the description of the embodiments of the utility model are used for distinguishing between the descriptions and not necessarily for describing a sequential or chronological order. The "plurality" in the embodiment of the present invention means two or more.

The term "and/or" in the embodiment of the present invention is only an association relationship describing an associated object, and indicates that three relationships may exist, for example, a and/or B may indicate: a exists alone, B exists alone, and A and B exist at the same time. In addition, the character "/" herein generally indicates that the former and latter associated objects are in an "or" relationship.

In the building construction process, construction joints are mainly supporting columns and shear walls, and the supporting columns and the shear wall reinforcement cages are usually bound by several meters and cannot be bound layer by layer, so that the treatment of the construction joints needs to treat gaps between each reinforcement of the reinforcement cage, and the influence of the reinforcement is also considered when manual operation is replaced by related devices, the embodiment provides a concrete construction joint roughening device which comprises a supporting seat 1, a lifting rod 3 and a spraying device 4 as shown in figure 1, wherein the lifting rod 3 is arranged between the supporting seat 1 and the spraying device 4 as shown in figure 3, the spraying device 4 comprises a water pump 2 and a plurality of sections of spraying assemblies which are connected in sequence, each group of spraying assemblies comprises a connecting sleeve 4-1, a spraying head mounting rod 4-4 and a plurality of spraying heads 4-5 arranged on the spraying head mounting rod 4-4, the nozzle mounting rods 4-4 of the adjacent spraying assemblies are arranged at intervals, so that the adjacent spraying assemblies are conveniently connected, the connecting sleeve 4-1 comprises an embedded portion and an outer sleeve portion, the outer diameter of the embedded portion is matched with the inner diameter of the outer sleeve portion, the outer sleeve portion of one connecting sleeve 4-1 of the two adjacent groups of spraying assemblies is sleeved on the embedded portion of the other connecting sleeve 4-1 and fixed through fastening screws, and all the nozzles 4-5 are connected with the water pump 2. When the device is used, the spray head mounting rods extend into gaps between adjacent steel bars through the movable supporting seat, the spray head mounting rods are connected with retarder and washing water through inlets of the water pumps respectively for roughening treatment, the spraying elements have expansibility and can be further expanded according to the area of a construction joint to be treated, further, in order to enable the length of the spraying mounting rods 4-4 to have expansibility, the spraying mounting rods 4-4 are arranged to be formed by splicing a plurality of unit rods, and each unit rod is provided with at least one spray head 4-5.

In order to spray more uniformly, the spray head mounting rod 4-4 is rotatably arranged on the connecting sleeve 4-1, and the end part of the nozzle mounting rod 4-4 is provided with a gear 4-2, a rack 4-3 engaged with the gear 4-2 is arranged in the connecting sleeve 4-1 of each group of spraying components, the racks 4-3 are arranged in the connecting sleeve 4-1 in a sliding way, the racks 4-3 of adjacent spraying assemblies are butted through clamping elements, this snap element can be referred to, for example, in the form of a conventional multi-purpose wrench bayonet, where the toothed rack 4-3 located in the middle coupling sleeve 4-1 is connected to an operating handle 4-6, as shown in figure 4, the connecting sleeve 4-1 is provided with a transverse elongated hole through which the end of the operating handle 4-6 is located outside the connecting sleeve 4-1.

In this embodiment, the supporting seat 1 includes two side supporting legs 1-2 and a middle sleeve 1-3 connecting the two side supporting legs 1-2, the side supporting legs 1-2 are L-shaped, one end of the side supporting legs 1-2 extends into the middle sleeve 1-3, and a positioning hole is arranged on the end, the middle sleeve 1-3 is provided with a plurality of limiting holes along the length direction thereof, and a first limiting pin 1-4 is connected between the positioning hole on the side supporting leg 1-2 and one of the limiting holes. For the holistic removal convenience of device, be provided with gyro wheel 1-1 on the lower terminal surface of the other end of collateral branch supporting leg 1-2, the gyro wheel can set up inside the collateral branch supporting leg when setting up, exposes less half, and the less height of lifting reduces the focus, just be provided with on the side of collateral branch supporting leg 1-2 and be used for the swift buckle 5 of joint on the reinforcing bar for cup joint on the reinforcing bar that closes on, avoid random removal or rock.

Specifically, in this embodiment, the lifting rod 3 includes a fixed pipe 3-1 and a movable pipe 3-3, the lower end of the fixed pipe 3-1 is fixedly connected to the middle of the middle sleeve 1-3, the spraying device 4 is disposed at the upper end of the movable pipe 3-3, the movable pipe 3-3 slidably extends into the fixed pipe 3-1, the movable pipe 3-3 is provided with a positioning hole, the fixed pipe 3-1 is provided with a plurality of limiting holes along the height direction thereof, and a second limiting pin 3-2 is disposed between the positioning hole of the movable pipe 3-3 and one of the limiting holes of the fixed pipe 3-1.

The working principle is as follows: according to the range of the construction joint to be treated, the width of the supporting seat 1, the height of the spraying device 4, the number of the spray nozzle mounting rods 4-4 and the set length of the spray nozzle mounting rods 4-4 are adjusted, the spray nozzle mounting rods are aligned to gaps between reinforcing steel bars, the spray nozzles are located above the construction joint, the water pump is connected with a retarder firstly, the water pump 2 is started to spray the retarder onto the construction joint through the spray nozzles 4-5, in order to achieve uniform spraying, the spray nozzles 4-5 can swing by a certain angle through operating handles 4-6 to cover the space between the adjacent spray nozzle mounting rods 4-4, flushing water is connected after cement is initially set, high-pressure flushing is carried out, and the flushing can be more uniform through operating the handles.

The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. The equivalent substitution or change made by the technical personnel in the technical field on the basis of the utility model is all within the protection scope of the utility model. The protection scope of the utility model is subject to the claims.

Claims

1. A concrete construction joint roughening device which characterized in that: including supporting seat, lifter and sprinkler, the lifter sets up between supporting seat and sprinkler, sprinkler includes the subassembly that sprays that water pump and a plurality of festival connected gradually, every group spray the subassembly and all include adapter sleeve, shower nozzle installation pole and set up a plurality of shower nozzles on shower nozzle installation pole, and adjacent shower nozzle installation pole looks interval that sprays the subassembly sets up, adapter sleeve includes embedded portion and outer jacket portion, and the external diameter of embedded portion and the internal diameter phase-match of outer jacket portion, and the outer jacket portion of one of them adapter sleeve among adjacent two sets of subassemblies cup joints in another adapter sleeve's embedded portion to fix through the fastener, all shower nozzles all are connected with the water pump.

2. A concrete construction joint roughening apparatus as claimed in claim 1, wherein: the shower nozzle installation pole rotates and sets up on adapter sleeve, and the tip of shower nozzle installation pole is provided with the gear, every group sprays the adapter sleeve of subassembly in all be provided with the rack that the gear engaged with is connected, the rack slides and sets up in the adapter sleeve, through the block component butt joint between the rack of adjacent subassembly that sprays, and the rack that is located the adapter sleeve in the middle has operating handle, is provided with horizontal rectangular hole on this adapter sleeve, operating handle's tip passes rectangular hole is located this adapter sleeve's the outside.

3. A concrete construction joint roughening apparatus as claimed in claim 1, wherein: the supporting seat comprises two side supporting legs and a middle sleeve connected with the two side supporting legs, the side supporting legs are L-shaped, one ends of the side supporting legs extend into the middle sleeve, a positioning hole is formed in the end of the side supporting legs, a plurality of limiting holes are formed in the middle sleeve along the length direction of the middle sleeve, and a first limiting pin is connected between the positioning hole in the side supporting leg and one limiting hole.

4. A concrete construction joint roughening apparatus as claimed in claim 3, wherein: be provided with the gyro wheel on the lower terminal surface of the other end of collateral branch supporting leg, just be provided with the swift buckle that is used for the joint on the reinforcing bar on the side of supporting seat.

5. A concrete construction joint roughening apparatus as claimed in claim 3, wherein: the utility model discloses a portable gas spraying device, including the lifter, including fixed pipe and movable tube, the lower extreme fixed connection of fixed pipe is at middle sheathed tube middle part, sprinkler sets up the upper end at the movable tube, the movable tube slides and stretches into in the fixed pipe, is provided with a locating hole on the movable tube, is provided with a plurality of spacing holes along its direction of height on the fixed pipe, is provided with the second spacer pin between locating hole on the movable tube and one of them spacing hole on the fixed pipe.

6. A concrete construction joint roughening apparatus as claimed in claim 2, wherein: the spraying installation rod is formed by splicing a plurality of unit rods, and at least one spray head is arranged on each unit rod.