CN219011253U - Multiple bar spacing controlling means of shotcrete reinforcing bar net - Google Patents

Abstract

The utility model provides a device for controlling the spacing between various steel bars of a sprayed concrete steel bar net, which relates to the technical field of side slope support engineering. The utility model has simple manufacture and installation, low cost and low energy consumption, can realize the construction of the reinforcing steel bar net with various spacing specifications, can achieve the allowable error value specified by the design and specification of the construction drawing, can promote the integral construction and installation impression of the reinforcing steel bar net, is formed by one-step construction of the reinforcing steel bar net, and has high concealed acceptance rate of the reinforcing steel bar net.

Description

Multiple bar spacing controlling means of shotcrete reinforcing bar net

Technical Field

The utility model relates to the technical field of side slope support engineering, in particular to a device for controlling the spacing between various steel bars of a sprayed concrete steel bar mesh.

Background

At present, in the construction process of rock (soil) slope anchor spraying support, most of reinforcement meshes are arranged in a construction site, the installation interval is too large or too small to be easily controlled, the allowable error value specified by the design and specification of a construction drawing is not met, and the overall arrangement and installation impression of the reinforcement meshes is poor. According to the technical specification, HPB300 hot-rolled plain round steel bars are generally selected as the steel bar meshes in sprayed concrete, the diameters of the steel bars are preferably 6-12 mm, the intervals between the steel bars are preferably 150-300 mm, but when the conventional device is used, the weaving and installing intervals of the steel bar meshes meet the design and specification of a construction drawing, and errors exist.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, so that the slope operation is simpler, more convenient and safer, the scaffold erection and dismantling workload is reduced, and the production cost is saved.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a multiple bar spacing controlling means of shotcrete reinforcing bar net, cross galvanized hollow square pipe, a plurality of spacing holes have been seted up to the bottom of cross galvanized hollow square pipe, the inside card in spacing hole is equipped with smooth round bar.

As a preferable implementation mode, the bottom of the cross galvanized hollow square tube is rotationally connected with a fixing plate, and the bottom of the cross galvanized hollow square tube is fixedly provided with a clamping frame.

The technical effect of adopting the further scheme is as follows: the fixing plate can rotate into the clamping frame to prevent the cross galvanized hollow square tube from falling off from the plain round steel bar.

As a preferred embodiment, a fixing rod is inserted into the bottom of the clamping frame, and a spring is arranged outside the fixing rod.

The technical effect of adopting the further scheme is as follows: the spring can drive the fixed rod to reset, and the clamping frame and the fixed plate are fixed.

As a preferable implementation mode, the connection position of the fixing plate and the cross galvanized hollow square tube and the position of the clamping frame are positioned at two sides of the limiting hole.

The technical effect of adopting the further scheme is as follows: the limiting hole can be prevented from falling off from the smooth round steel bar.

As a preferred implementation mode, the fixing plate is provided with a fixing through hole matched with the fixing rod, and the distance from the inside of the clamping frame to the cross galvanized hollow square tube is matched with the thickness of the fixing plate.

The technical effect of adopting the further scheme is as follows: the fixing plate can be just clamped into the clamping frame.

As a preferred embodiment, two ends of the spring are welded to the opposite sides of the clamping frame and the fixing rod respectively.

The technical effect of adopting the further scheme is as follows: the spring can be stretched by the fixing rod and can drive the fixing rod to reset.

As a preferred embodiment, a plurality of the limiting holes are longitudinally arranged along the cross galvanized hollow square tube.

Compared with the prior art, the utility model has the advantages and positive effects that,

1. the utility model has simple manufacture and installation, low cost and low energy consumption, can realize the construction of the reinforcing steel bar net with various spacing specifications, can achieve the allowable error value specified by the design and specification of the construction drawing, can promote the integral construction and installation impression of the reinforcing steel bar net, is formed by one-step construction of the reinforcing steel bar net, and has high concealed acceptance rate of the reinforcing steel bar net.

2. According to the utility model, after the limit hole is clamped with the smooth round steel bar, the fixing rod is pulled to stretch the spring, the fixing plate is rotated to be clamped into the clamping frame, the fixing rod is sent out, the spring drives the fixing rod to reset, the fixing rod fixes the fixing plate and the clamping frame, and the device is prevented from falling off from the smooth round steel bar.

Drawings

Fig. 1 is a schematic perspective view of a device for controlling the spacing between various steel bars in a sprayed concrete reinforcing mesh according to the present utility model;

fig. 2 is a schematic diagram of a part of a device for controlling the spacing between various steel bars in a sprayed concrete reinforcing mesh according to the present utility model.

Legend description:

1. cross galvanized hollow square tube; 2. a limiting hole; 3. a polished round steel bar; 4. a fixing plate; 5. a clamping frame; 6. a spring; 7. and a fixing rod.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

As shown in fig. 1-2, the present utility model provides a technical solution: as shown in fig. 1 and 2, a plurality of spacing holes 2 are formed in the bottom of a cross galvanized hollow square tube 1, plain round steel bars 3 are clamped in the spacing holes 2, a fixing plate 4 is rotatably connected to the bottom of the cross galvanized hollow square tube 1, a clamping frame 5 is fixedly arranged at the bottom of the cross galvanized hollow square tube 1, a fixing rod is inserted into the bottom of the clamping frame, a spring is arranged outside the fixing rod, the connecting position of the fixing plate and the cross galvanized hollow square tube and the position of the clamping frame are located at two sides of the spacing holes, fixing through holes matched with the fixing rod are formed in the fixing plate, the distance from the inside of the clamping frame to the cross galvanized hollow square tube is matched with the thickness of the fixing plate, two ends of the spring are respectively welded at one side of the clamping frame opposite to the fixing rod, the plurality of spacing holes are longitudinally distributed along the galvanized hollow square tube, the galvanized hollow square tube is Q235B grade steel galvanized hollow square tube, two galvanized hollow square tubes are welded into a cross shape, the cross section size of a single galvanized hollow square tube is 30mm multiplied by 30mm, 10 limit holes are carved on the lower part of the cross galvanized hollow square tube, the cross section of each limit hole is arch-shaped, the vault size is equal to the diameter of a hot-rolled plain round steel bar, the diameter of the steel bar is preferably 6 mm-12 mm, the limit holes are longitudinally distributed along the galvanized hollow square tube, the centers of each pair of limit holes can form various intervals, each pair of limit hole clamping grooves just can clamp two hot-rolled plain round steel bars, the steel grid interval is ensured to be in the specification required by a design drawing, the cross galvanized hollow square tube is Q235B grade galvanized hollow square tube, the cross section size of the single galvanized hollow square tube is 30mm multiplied by 30mm, the limit holes are arranged on the lower part of the cross galvanized hollow square tube, the limit holes are longitudinally distributed along the galvanized hollow square tube, the center distances of each pair of limiting holes are 150mm, 200mm, 250mm and 300mm, the hot-rolled plain round steel bar diameter of various steel bar mesh size requirements can be met, the steel bar mesh is vertically and horizontally clamped in the clamping grooves of the pair of limiting holes, and the steel bar mesh distances are 150mm, 200mm, 250mm and 300mm.

Working principle:

when the device is used, as shown in fig. 1-2, after the slope is smoothly handed over, the slope of the rock slope is trimmed, floating soil blocks are cleaned, and the evenness of the slope is improved. The hot rolled plain round steel bars 3 of the steel bar mesh of the field raw material can be processed after being rechecked to be qualified, and are formally put into the construction of sprayed concrete of the steel bar mesh. In the process of weaving the steel bar net hot-rolled plain round steel bar 3 in the longitudinal and transverse directions, the cross galvanized hollow square tube 1 is utilized to clamp the longitudinal and transverse hot-rolled plain round steel bar 3 in the arch-shaped clamping grooves of the two pairs of limiting holes 2, steel bar binding is carried out after the spacing between the steel bars is qualified, the next construction procedure is carried out after the steel bar binding is finished, after the limiting holes 2 and the plain round steel bar 3 are clamped, the fixing rod 7 is pulled, the spring 6 is pulled, the fixing plate 4 is rotated, the fixing plate 4 is clamped into the clamping frame 5 in a rotating mode, the fixing rod 7 is sent out, the spring 6 drives the fixing rod 7 to reset, and the fixing rod 7 fixes the fixing plate 4 and the clamping frame 5.

The present utility model is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present utility model without departing from the technical content of the present utility model still belong to the protection scope of the technical solution of the present utility model.

Claims (7)

1. A sprayed concrete reinforcing mesh multiple reinforcement spacing control device, comprising: cross galvanized hollow square pipe (1), its characterized in that: a plurality of limiting holes (2) are formed in the bottom of the cross galvanized hollow square tube (1), and smooth steel bars (3) are clamped in the limiting holes (2).

2. The sprayed concrete reinforcing mesh multiple-reinforcement-spacing control device according to claim 1, wherein: the bottom rotary connection of cross galvanized hollow square pipe (1) has fixed plate (4), and the bottom fixed mounting of cross galvanized hollow square pipe (1) has cassette (5).

3. The sprayed concrete reinforcing mesh multiple-reinforcement-spacing control device according to claim 2, wherein: the bottom of the clamping frame (5) is inserted with a fixing rod (7), and a spring (6) is arranged outside the fixing rod (7).

4. The sprayed concrete reinforcing mesh multiple-reinforcement-spacing control device according to claim 2, wherein: the connecting position of the fixing plate (4) and the cross galvanized hollow square tube (1) and the position of the clamping frame (5) are positioned at two sides of the limiting hole (2).

5. A sprayed concrete reinforcing mesh multiple reinforcement spacing control device according to claim 3, wherein: the fixing plate (4) is provided with a fixing through hole matched with the fixing rod (7), and the distance from the inside of the clamping frame (5) to the cross galvanized hollow square tube (1) is matched with the thickness of the fixing plate (4).

6. A sprayed concrete reinforcing mesh multiple reinforcement spacing control device according to claim 3, wherein: the two ends of the spring (6) are respectively welded on one side of the clamping frame (5) opposite to the fixing rod (7).

7. The sprayed concrete reinforcing mesh multiple-reinforcement-spacing control device according to claim 1, wherein: the limiting holes (2) are longitudinally distributed along the cross galvanized hollow square tube (1).

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