Tunnel mold spraying concrete device capable of reducing springback

Abstract

The utility model provides a tunnel mold spraying concrete device capable of reducing springback, belongs to the technical field of mold spraying concrete, and aims to solve the problems that connection between an existing template and a steel arch is tedious, consumed time is long, and deviation is prone to occurring. The template main body is arranged on the inner sides of the two steel arches; the multiple bearing grooves are dispersedly formed in the outer surface of the right side of the template main body; the hand wheel is rotationally connected to the left side of the transmission box; the quick fixing assembly is arranged in the template main body; and the error compensation assembly is arranged on the outer side of the template main body. According to the utility model, the template main body and the steel arches are more quickly and conveniently disassembled and connected, the arrangement of the bearing groove facilitates the collection and reuse of rebounded concrete, and the error compensation assembly can compensate the error generated during the installation of the two steel arches, so that the fixing effect of the template main body and the steel arches is better.

Description

Technical Field

[0001] The utility model belongs to the technical field of mold sprayed concrete, and more specifically, particularly relates to a tunnel mold sprayed concrete device capable of reducing rebound. Background Art

[0002] During the tunnel construction process, the sprayed concrete technology can effectively reduce the rebound rate of concrete spraying construction by setting a template on the inner side of the steel arch frame, which not only makes the concrete spraying effect better, but also can achieve the purpose of reducing concrete waste and reducing pollution of the working surface. In the existing tunnel sprayed concrete construction, bolts and other materials are often used to connect the template and the steel arch frame.

[0003] Based on the above, when bolts are used to connect the formwork and the steel arch frame, firstly, it takes a long time and the labor intensity of the workers is high. Secondly, the steel arch frame may have an offset error during construction, making the two steel arch frames not completely parallel. This may cause the bolt mouth connecting the formwork and the steel arch frame to deviate, making the bolt installation more laborious. Utility Model Content

[0004] In order to solve the above technical problems, the utility model provides a tunnel formwork sprayed concrete device with reduced rebound, so as to solve the problems that when the formwork and the steel arch frame are connected by bolts in the prior art, firstly, it takes a long time and the labor intensity of the workers is high; secondly, the steel arch frame may have an offset error during construction, so that the two steel arch frames are not completely parallel, which may cause the bolt mouth connecting the formwork and the steel arch frame to deviate, and the bolt installation is more laborious.

[0005] The purpose and effect of the tunnel form spraying concrete device for reducing rebound of the utility model are achieved by the following specific technical means:

[0006] A tunnel sprayed concrete device for reducing rebound, comprising a steel arch frame;

[0007] A formwork body, wherein the formwork body is arranged inside two steel arch frames;

[0008] A receiving groove, wherein a plurality of receiving grooves are provided, and the plurality of receiving grooves are dispersedly provided on the right outer surface of the template body;

[0009] A transmission box, the transmission box is fixedly connected to the left side of the template body;

[0010] Hand-carrying holes, two of which are provided, and the two hand-carrying holes are provided in a dispersed manner inside the transmission box;

[0011] A hand wheel, the hand wheel being rotatably connected to the left side of the transmission box;

[0012] A quick fixing component, wherein the quick fixing component is arranged inside the template body;

[0013] An error compensation component is arranged outside the template body.

[0014] Furthermore, the quick fixing assembly includes:

[0015] A transmission worm, the transmission worm is coaxially fixedly connected to the right side of the handwheel;

[0016] a first transmission shaft, the first transmission shaft being rotatably connected inside the transmission box;

[0017] A transmission worm wheel is coaxially fixedly connected to the outside of the first transmission shaft, and the transmission worm wheel is meshed with the transmission worm.

[0018] Furthermore, the quick fixing assembly also includes:

[0019] Active bevel gear, wherein two active bevel gears are provided, and the two active bevel gears are coaxially fixedly connected to the upper and lower ends of the first transmission shaft respectively;

[0020] A second transmission shaft, wherein the second transmission shaft is provided with two pieces, and the two pieces of the second transmission shaft are rotatably connected in the template body in a dispersed manner;

[0021] The driven bevel gear is provided with two pieces, and the two pieces of the driven bevel gear are respectively coaxially fixedly connected to the left end portions of the two second transmission shafts, and the two pieces of the driven bevel gear are respectively meshed with the two driving bevel gears.

[0022] Furthermore, the quick fixing assembly also includes:

[0023] Transmission gear, wherein two transmission gears are provided, and the two transmission gears are coaxially fixedly connected to the right ends of the two second transmission shafts respectively;

[0024] Connecting rods, wherein two groups of connecting rods are provided, each group of connecting rods is provided with two pieces, and the two groups of connecting rods are slidably connected inside the template body in a dispersed manner;

[0025] The transmission rack is provided with four pieces, the four transmission racks are respectively fixedly connected to the inner sides of four connecting rods, and the four transmission racks are respectively meshed with the upper and lower sides of two transmission gears.

[0026] Furthermore, the quick fixing assembly also includes:

[0027] Clamping columns, wherein four clamping columns are provided, and the four clamping columns are respectively fixedly connected to the ends of four connecting rods;

[0028] Adsorption magnets, wherein four adsorption magnets are provided, and the four adsorption magnets are respectively arranged inside four clamping columns.

[0029] Furthermore, the error compensation component includes:

[0030] A slide groove, wherein two slide grooves are provided, and the two slide grooves are dispersedly provided inside the clamping column;

[0031] A limit slider, wherein two limit sliders are provided, and the two limit sliders are discretely fixedly connected to the ends of the clamping column;

[0032] A jacking spring, one end of which is fixedly connected to the end of the limit slider, and the other end of which is fixedly connected to the inside of the clamping column.

[0033] Compared with the prior art, the utility model has the following beneficial effects:

[0034] First, rotate the handwheel to drive the four clamping columns and four adsorption magnets to retract inward at the same time through the quick fixing assembly, so that the surface of the steel arch frame fits with the four adsorption magnets, and the formwork body is fixed to the steel arch frame. The operation is simple and convenient. Multiple receiving grooves can also collect part of the rebounded concrete for easy recycling, which greatly saves the waste of concrete materials.

[0035] Secondly, when the two steel arch frames are not completely parallel due to errors during installation, the error can be compensated by sliding the adsorption magnets set inside the clamping column, avoiding the adsorption magnets on the upper and lower sides from being unable to fit with the steel arch frames at the same time due to this error.

[0036] The utility model makes the disassembly and connection of the formwork body and the steel arch frame faster and more convenient, greatly reducing the labor intensity of workers. The setting of the receiving groove is convenient for collecting and reusing the rebounded concrete, saving the waste of concrete materials. The error compensation component can compensate for the error generated when the two steel arch frames are installed, so that the fixing effect of the formwork body and the steel arch frame is better. BRIEF DESCRIPTION OF THE DRAWINGS

[0037] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0038] Figure 2 It is a schematic diagram of the main structure of the template of the utility model.

[0039] Figure 3 It is a schematic diagram of the hand wheel structure of the utility model.

[0040] Figure 4 It is a schematic diagram of the connecting rod structure of the utility model.

[0041] Figure 5 It is a schematic diagram of the structure of the adsorption magnet of the utility model.

[0042] In the figure, the corresponding relationship between the component names and the figure numbers is as follows:

[0043] 1. Steel arch frame; 2. Formwork body; 201. Receiving groove; 3. Transmission box; 301. Hand hole; 4. Handwheel; 401. Transmission worm; 5. First transmission shaft; 501. Transmission worm gear; 502. Active bevel gear; 6. Second transmission shaft; 601. Driven bevel gear; 602. Transmission gear; 7. Connecting rod; 701. Transmission rack; 8. Clamping column; 801. Slide groove; 9. Adsorption magnet; 901. Limiting slider; 902. Push-in spring. DETAILED DESCRIPTION

[0044] The following is a further detailed description of the implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but cannot be used to limit the scope of the present invention.

[0045] Embodiment 1:

[0046] As attached Figure 1 To Attachment Figure 5 As shown:

[0047] The utility model provides a tunnel sprayed concrete device for reducing rebound, comprising a steel arch frame 1;

[0048] The formwork body 2 is arranged inside the two steel arch frames 1;

[0049] A receiving groove 201, a plurality of receiving grooves 201 are provided, and the plurality of receiving grooves 201 are dispersedly provided on the right outer surface of the template body 2;

[0050] A transmission box 3, which is fixedly connected to the left side of the template body 2;

[0051] Hand-carrying holes 301, two of which are provided, and the two hand-carrying holes 301 are provided in a dispersed manner inside the transmission box 3;

[0052] Hand wheel 4, which is rotatably connected to the left side of transmission box 3;

[0053] A quick fixing component is arranged inside the template body 2 .

[0054] Among them, the quick fixing components include:

[0055] A transmission worm 401, which is coaxially fixedly connected to the right side of the hand wheel 4;

[0056] A first transmission shaft 5, the first transmission shaft 5 is rotatably connected to the inside of the transmission box 3;

[0057] The transmission worm wheel 501 is coaxially fixedly connected to the outside of the first transmission shaft 5, and the transmission worm wheel 501 is meshed with the transmission worm 401. The effect is that when the hand wheel 4 is turned, the worm gear transmission mechanism formed by the meshing of the transmission worm wheel 501 and the transmission worm 401 drives the first transmission shaft 5 to rotate.

[0058] The quick fixing components also include:

[0059] A driving bevel gear 502, wherein two driving bevel gears 502 are provided, and the two driving bevel gears 502 are coaxially fixedly connected to the upper and lower ends of the first transmission shaft 5;

[0060] A second transmission shaft 6, wherein two second transmission shafts 6 are provided, and the two second transmission shafts 6 are rotatably connected inside the template body 2 in a dispersed manner;

[0061] The driven bevel gear 601 includes two driven bevel gears 601, which are coaxially fixedly connected to the left ends of the two second transmission shafts 6, and the two driven bevel gears 601 are respectively meshed with the two driving bevel gears 502, so that the first transmission shaft 5 drives the two second transmission shafts 6 to rotate simultaneously through two sets of bevel gear transmission mechanisms formed by the two driven bevel gears 601 and the two driving bevel gears 502 respectively meshing.

[0062] The quick fixing components also include:

[0063] Transmission gear 602, two transmission gears 602 are provided, and the two transmission gears 602 are coaxially fixedly connected to the right ends of the two second transmission shafts 6;

[0064] Connecting rods 7, two groups of connecting rods 7 are provided, each group of connecting rods 7 is provided with two pieces, and the two groups of connecting rods 7 are slidably connected inside the template body 2 in a dispersed manner;

[0065] Transmission rack 701, transmission rack 701 is provided with four pieces, and the four transmission racks 701 are respectively fixedly connected to the inner side of the four connecting rods 7, and the four transmission racks 701 are respectively meshed with the upper and lower sides of the two transmission gears 602. The effect brought about is that the second transmission shaft 6 drives the four connecting rods 7 to slide inward or outward at the same time through the gear rack transmission mechanism formed by the four transmission racks 701 and the two transmission gears 602 respectively meshing.

[0066] The quick fixing components also include:

[0067] Clamping columns 8, four clamping columns 8 are provided, and the four clamping columns 8 are respectively fixedly connected to the ends of four connecting rods 7;

[0068] Adsorption magnet 9, four adsorption magnets 9 are arranged, and the four adsorption magnets 9 are respectively arranged inside four clamping columns 8, so that the four connecting rods 7 can slide inward at the same time to enable the four clamping columns 8 to clamp the front and back sides of the two steel arch frames 1, and the four adsorption magnets 9 can ensure that the connection between the template body 2 and the steel arch frame 1 is tighter and firmer under the action of their own magnetic force.

[0069] The specific usage and function of this embodiment are as follows:

[0070] The template body 2 is made of lightweight material to ensure that the staff can easily pick up the template body 2 through the hand hole 301. When in use, first fit the right side arc surface of the template body 2 with the steel arch frame 1, then turn the hand wheel 4, and the worm gear transmission mechanism composed of the meshing of the transmission worm wheel 501 and the transmission worm 401 drives the first transmission shaft 5 to rotate. The first transmission shaft 5 drives the two second transmission shafts 6 to rotate simultaneously through two sets of bevel gear transmission mechanisms composed of two driven bevel gears 601 and two driving bevel gears 502 that are respectively meshed. The second transmission shaft 6 drives the four connecting rods 7 to slide inward at the same time through the gear rack transmission mechanism composed of four transmission racks 701 and two transmission gears 602 that are respectively meshed. The four connecting rods 7 slide inward at the same time, which can make the four clamping columns 8 to the two The steel arch frame 1 is clamped on both sides, and the position of the template body 2 is fine-tuned front and back so that the four adsorption magnets 9 can fit with the steel arch frame 1. The four adsorption magnets 9 can ensure that the connection between the template body 2 and the steel arch frame 1 is tighter and firmer under the action of their own magnetic force. After that, concrete can be sprayed into the area between the two steel arch frames 1. Under the obstruction of the template body 2, the rebound of the concrete is greatly reduced. At the same time, multiple receiving grooves 201 can collect part of the rebounded concrete; after the concrete spraying in the current area is completed, the hand wheel 4 is rotated in the opposite direction to disengage the four adsorption magnets 9 from the steel arch frame 1, and the template body 2 and the steel arch frame 1 can be disassembled. The operation is convenient and fast. At the same time, the rebounded concrete collected in the multiple receiving grooves 201 can also be poured out for convenient recycling and reuse.

[0071] Embodiment 2:

[0072] Based on the first embodiment, as shown in the attached Figure 1 To Attachment Figure 5 As shown, an error compensation component is also included, and the error compensation component is arranged on the outside of the template body 2.

[0073] Among them, the error compensation components include:

[0074] A slide groove 801, wherein the slide groove 801 is provided with two paths, and the two slide grooves 801 are dispersedly provided inside the clamping column 8;

[0075] A limiting slider 901, wherein two limiting sliders 901 are provided, and the two limiting sliders 901 are discretely fixedly connected to the ends of the clamping column 8;

[0076] A push spring 902 , one end of which is fixedly connected to the end of the limit slider 901 , and the other end of which is fixedly connected to the inside of the clamping column 8 .

[0077] The specific usage and function of this embodiment are as follows:

[0078] The adsorption magnet 9 slides inside the clamping column 8 through two limit sliders 901 and two slide grooves 801. The jacking spring 902 can ensure that the adsorption magnet 9 can be away from the clamping column 8 when it is not in contact with the steel arch frame 1, which is convenient for later operation. When there is an error between the two steel arch frames 1 during erection, the two steel arch frames 1 cannot be in a completely parallel state. At this time, the slidable adsorption magnet 9 can compensate for this error, avoiding the adsorption magnets 9 on the upper and lower sides from being unable to fit tightly with the steel arch frame 1 at the same time due to the error generated when the two steel arch frames 1 are erected, so that the fixing effect of the template body 2 and the steel arch frame 1 is better.

Claims

1. A tunnel spray concrete device for reducing rebound, comprising a steel arch frame, a template body, a receiving groove, a transmission box, a hand hole, a hand wheel, a quick fixing component and an error compensation component; characterized in that: The template body is arranged inside two steel arch frames; a plurality of receiving grooves are provided, and the plurality of receiving grooves are dispersedly provided on the outer surface of the right side of the template body; the transmission box is fixedly connected to the left side of the template body; two hand-carrying holes are provided, and the two hand-carrying holes are dispersedly provided inside the transmission box; The hand wheel is rotatably connected to the left side of the transmission box; The quick fixing component is arranged inside the template body; and the error compensation component is arranged outside the template body.

2. A tunnel spraying concrete device for reducing rebound as claimed in claim 1, characterized in that: The quick fixing assembly includes: a transmission worm, a first transmission shaft and a transmission worm wheel; the transmission worm is coaxially fixedly connected to the right side of the handwheel; the first transmission shaft is rotatably connected inside the transmission box; the transmission worm wheel is coaxially fixedly connected to the outside of the first transmission shaft, and the transmission worm wheel is meshed with the transmission worm.

3. A tunnel spraying concrete device for reducing rebound as claimed in claim 2, characterized in that: The quick fixing assembly also includes: a driving bevel gear, a second transmission shaft and a driven bevel gear; the driving bevel gear is provided in two pieces, and the two driving bevel gears are coaxially fixedly connected to the upper and lower ends of the first transmission shaft respectively; the second transmission shaft is provided in two pieces, and the two second transmission shafts are distributed and rotatably connected inside the template body; the driven bevel gear is provided in two pieces, and the two driven bevel gears are coaxially fixedly connected to the left end portions of the two second transmission shafts respectively, and the two driven bevel gears are respectively meshed with the two driving bevel gears.

4. A tunnel spraying concrete device for reducing rebound as claimed in claim 3, characterized in that: The quick fixing assembly also includes: a transmission gear, a connecting rod and a transmission rack; two transmission gears are provided, and the two transmission gears are coaxially fixedly connected to the right end portions of the two second transmission shafts; two groups of connecting rods are provided, and each group of connecting rods is provided with two pieces, and the two groups of connecting rods are dispersedly slidably connected inside the template body; four transmission racks are provided, and the four transmission racks are fixedly connected to the inner sides of the four connecting rods, and the four transmission racks are respectively meshed with the upper and lower sides of the two transmission gears.

5. A tunnel spraying concrete device for reducing rebound as claimed in claim 4, characterized in that: The quick fixing assembly also includes: a clamping column and an adsorption magnet; the clamping column is provided with four pieces, and the four clamping columns are respectively fixedly connected to the ends of four connecting rods; the adsorption magnet is provided with four pieces, and the four adsorption magnets are respectively arranged inside the four clamping columns.

6. A tunnel spraying concrete device for reducing rebound as claimed in claim 1, characterized in that: The error compensation component includes: a slide groove, a limit slider and a push spring; the slide groove is provided with two paths, and the two slide grooves are dispersedly provided inside the clamping column; the limit slider is provided with two pieces, and the two limit sliders are dispersedly fixedly connected to the end of the clamping column; one end of the push spring is fixedly connected to the end of the limit slider, and the other end of the push spring is fixedly connected to the inside of the clamping column.

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