Sprayed concrete nanometer elasticity reducer stirring device

Abstract

The utility model relates to the technical field of concrete spraying, in particular to a sprayed concrete nanometer bomb reducing agent stirring device which comprises a stirring tank and a spraying head connected to the bottom of the stirring tank through a concrete pump, the bottom of the stirring tank is connected with a lifting platform through a supporting rod, and the stirring tank is located on the left side of the top of the lifting platform. The bottom of the stirring tank is connected with a mixing pipe; the mixing pipe is connected with the concrete pump, the concrete pump is connected with the spraying head through the concrete conveying hose, and the spraying head is connected to the right side of the top of the lifting platform through the lifting reversing mechanism. The problems that in the prior art, a nano elasticity reducer is not suitable for being used in construction environments with different heights, the stirring effect is common, the nano elasticity reducer cannot be better mixed into concrete, the springback rate of the sprayed concrete is large, durability is low, and engineering construction of the sprayed concrete is prone to being affected are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to concrete injection technical field, concretely relates to a kind of injection concrete nanometer drop elastic agent mixing device. BACKGROUND

[0002] Cement concrete is one of the most important building materials in the world today, and concrete injection machine is widely used in construction, and concrete injection machine is the core equipment in the construction of injection concrete, which is a machine that uses compressed air to continuously transport concrete along the pipeline and spray it onto the construction surface. It is widely used in lining construction of underground engineering, well and tunnel, culvert, etc. And the concrete injection machine has the function of mixing, which prevents it from coagulating into blocks and is not conducive to the subsequent injection of the device.

[0003] The Chinese patent with publication number CN220389852U discloses a mixing-injection production line for injection concrete with pre-mixed thixotropic agent, which includes a pre-mixed wet mixer for mixing thixotropic agent and concrete raw materials into slurry, and a spraying assembly for spraying the slurry. A slurry storage hopper is provided between the pre-mixed wet mixer and the spraying assembly, and a stirring assembly is provided in the slurry storage hopper. The utility model first adds thixotropic agent during the mixing of concrete raw materials, which makes the distribution of thixotropic agent more uniform and improves the mixing uniformity of raw materials. The amount of thixotropic agent can be accurately controlled, and the slurry with pre-mixed thixotropic agent can leave the pre-mixed wet mixer and enter the slurry storage hopper. At this time, the pre-mixed wet mixer can be used for the mixing of the next batch of raw materials. The spraying assembly is connected to the slurry storage hopper for the spraying of the previous batch of concrete. By repeating this process, the entire construction process can be operated continuously, and the construction efficiency can be improved.

[0004] The injection and mixing device for concrete, such as the above-mentioned one, has relatively large limitations in actual use, is not suitable for use in different height construction environments, and has general mixing effect, which is not conducive to the better mixing of nanometer drop elastic agent into concrete, resulting in relatively large rebound rate of the injected concrete and relatively low durability, which easily affects the engineering construction of injection concrete. SUMMARY

[0005] The utility model aims at providing a kind of injection concrete nanometer drop elastic agent mixing device, overcome the injection and mixing device for concrete in prior art in actual use process Limitation is relatively large, not suitable for use in different height construction environments, and mixing effect is general, which is not conducive to the better mixing of nanometer drop elastic agent into concrete, resulting in relatively large rebound rate of the injected concrete and relatively low durability, which easily affects the engineering construction of injection concrete.

[0006] To achieve the above-mentioned purpose, the utility model solves the technical problems thereof by adopting the following technical scheme:

[0007] The application discloses a kind of concrete nano shotcrete mixing device for reducing bullet, by being arranged in liftable platform, can be adjusted according to the height of construction environment to adjust the height of device, to improve the applicability of device, at the same time, using mixing tank and mixing pipe, nano shotcrete is fully mixed in concrete, and after lifting reversing mechanism, the full range rotation of spray head can be realized, to achieve better spray effect.The specific scheme is as follows:

[0008] A kind of concrete nano shotcrete mixing device for reducing bullet, including mixing tank, and the spray head connected in the bottom of mixing tank by concrete pump, the bottom of mixing tank is connected with liftable platform by support rod, the left top of liftable platform is located in the bottom of mixing tank, the bottom of mixing tank is connected with mixing pipe;

[0009] The mixing pipe is connected with the concrete pump, the concrete pump is connected with the spray head by concrete delivery hose, the spray head is connected in the right top of liftable platform by lifting reversing mechanism.

[0010] Preferably, the top of the mixing tank is provided with a charging port, and a motor is arranged on the left side outer wall of the mixing tank, and a spiral stirring part in the mixing tank is connected to the output end of the motor, and a discharge pipe is arranged on the right side bottom of the mixing tank.

[0011] Preferably, an atomizing coagulant adding pipe is arranged through the left top of the mixing pipe, a gas hole sleeve is installed in the mixing pipe, and the outer diameter of the gas hole sleeve is smaller than the inner diameter of the atomizing coagulant adding pipe.

[0012] Equidistantly distributed gas holes are arranged on the peripheral wall of the gas hole sleeve, and a rotary propeller blade is arranged on the right side inside the gas hole sleeve, and the rotary propeller blade is connected to the gas hole sleeve by a fixing rod.

[0013] Preferably, the liftable platform comprises a vehicle bottom plate, a mounting top plate, a first cross rod, a second cross rod and a hydraulic telescopic pump, and the mounting top plate is arranged below the vehicle bottom plate.

[0014] The middle parts of the first cross rod and the second cross rod are hingedly connected into two groups, and are respectively arranged on the front and rear sides of the vehicle bottom plate, the lower end of the first cross rod is hingedly connected to the left top of the vehicle bottom plate, and the upper end of the first cross rod is slidingly connected to the right bottom of the mounting top plate.

[0015] The upper end of the second cross rod is hingedly connected to the left bottom of the mounting top plate, and the lower end of the second cross rod is slidingly connected to the right top of the vehicle bottom plate, the bottom of the hydraulic telescopic pump is hingedly connected to the lower end of the first cross rod, and the output end of the hydraulic telescopic pump is hingedly connected to the upper end of the second cross rod.

[0016] Preferably, the lifting reversing mechanism comprises an electric lifting rod and a U-shaped reversing frame, the U-shaped reversing frame is arranged at the upper end of the electric lifting rod, and the tail of the spraying head is provided with a clamping handle arranged in the U-shaped reversing frame.

[0017] Preferably, the bottom of the U-shaped reversing frame is provided with a rotating shaft rotatably connected to the upper end of the electric lifting rod, and the U-shaped reversing frame is rotatably connected with a lower arc-shaped clamping block.

[0018] The top of the lower arc-shaped clamping block is butted with an upper arc-shaped clamping block through a fastening bolt, and a clamping area is formed between the upper arc-shaped clamping block and the lower arc-shaped clamping block.

[0019] The clamping handle is clamped in the clamping area, and the inner sides of the upper arc-shaped clamping block and the lower arc-shaped clamping block are provided with anti-skid pads.

[0020] The utility model discloses the beneficial effects are:

[0021] 1. The spiral stirring part in the stirring tank can fully mix the nano elastic reducing agent in the concrete, and the stirred concrete is conveyed to the discharge pipe by the spiral stirring part, and is mixed with the atomized condensate through the mixing pipe before spraying, so that the rebound rate and durability of the sprayed concrete are relieved.

[0022] 2. The utility model discloses the height of the lifting platform can be changed according to the actual construction environment, thereby the applicability of the device can be improved, the device can meet the use in different construction environments in the use process, the construction progress is accelerated, and the construction efficiency of engineering construction is improved.

[0023] 3. The utility model discloses the lifting reversing mechanism can realize the all -round adjustment of spraying head, so that spraying head can be in the construction environment towards any angle and carry out the spraying work of concrete, and according to the construction demand, lifting, and adopting the cooperation of upper arc -shaped clamping block and lower arc -shaped clamping block effectively clamps the spraying head, to guarantee the stability of the fixed spraying head clamping. DRAWINGS

[0024] Figure 1 It is the front view of the utility model;

[0025] Figure 2 It is Figure 1 The sectional view of A-A in the utility model;

[0026] Figure 3 It is Figure 1 The sectional view of B-B in the utility model;

[0027] Figure 4 It is the structure diagram of the mixing pipe in the utility model;

[0028] Figure 5 For Figure 4 Cross-sectional schematic view at C-C.

[0029] In the figure: 1 - stirring tank; 11 - feeding port; 12 - motor; 13 - spiral stirring part; 14 - discharge pipe; 2 - mixing pipe; 21 - atomized coagulant adding pipe; 22 - air hole sleeve; 221 - air hole; 23 - rotary impeller blade; 231 - fixed rod; 3 - concrete pump; 4 - concrete conveying hose; 5 - injection head; 51 - clamping handle; 6 - electric lifting rod; 7 - U-shaped reversing frame; 71 - rotating shaft; 72 - upper arc clamping block; 73 - lower arc clamping block; 74 - anti-skid pad; 75 - fastening bolt; 76 - clamping area; 8 - liftable platform; 81 - vehicle bottom plate; 811 - first sliding groove; 812 - wheel; 82 - mounting top plate; 821 - second sliding groove; 83 - first cross rod; 84 - second cross rod; 85 - hydraulic telescopic pump. DETAILED DESCRIPTION

[0030] In order to make the purpose, technical scheme and advantages of the utility model more clearly understood, further detailed description will be made to the utility model in combination with embodiments and drawings. The illustrative embodiments of the utility model and the description thereof are only used to explain the utility model and not as a limitation to the utility model.

[0031] In the following description, a large number of specific details are set forth in order to provide a thorough understanding of the utility model. However, it is apparent to those skilled in the art that the utility model can be practiced without these specific details. In other embodiments, well-known structures, circuits, materials or processes are not specifically described in order to avoid obscuring the utility model.

[0032] In the entire description, the mention of "one embodiment", "an embodiment", "one example" or "an example" means that the specific features, structures or characteristics described in connection with the embodiment or example are included in at least one embodiment of the utility model. Therefore, the phrases "one embodiment", "an embodiment", "one example" or "an example" appearing in various places in the entire description do not necessarily refer to the same embodiment or example. In addition, specific features, structures or characteristics can be combined in one or more embodiments or examples in any appropriate combination and / or sub-combination. In addition, those skilled in the art should understand that the drawings provided herein are for illustrative purposes and the drawings are not necessarily drawn to scale. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0033] In the description of the utility model, the terms "front", "back", "left", "right", "upper", "lower", "vertical", "horizontal", "high", "low", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, which is merely for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the protection scope of the utility model.

[0034] As shown in Figures 1-5 The utility model provides a kind of shotcrete nanometer reduces the mixing device of pop agent, including mixing tank 1, and the injection head 5 of being connected in the bottom of mixing tank 1 by concrete pump 3, by mixing tank 1 can effectively fully mix nanometer reduces pop agent and concrete together, after being extracted from injection head 5 to construction position by concrete pump 3, to reduce the rebound rate and durability of concrete, mixing tank 1 bottom is connected with liftable platform 8 by support rod, mixing tank 1 is located in the top left side of liftable platform 8, using liftable platform 8 can change the height of device, to improve its applicability, mixing tank 1 bottom is connected with mixed tube 2, by mixed tube 2 can further improve the mixing effect of concrete and nanometer reduces pop agent, and it is convenient to mix coagulant in concrete before injection, so that the concrete that can be sprayed can be quickly coagulated;Mixed tube 2 is connected with concrete pump 3, and concrete pump 3 is connected with injection head 5 by concrete delivery hose 4, using concrete pump 3 can extract mixed concrete in time, and spray out by injection head 5, injection head 5 is connected in the top right side of liftable platform 8 by lift reversing mechanism, the omnidirectional rotation of injection head 5 can be realized by lift reversing mechanism, guarantee the coverage of injection head 5.

[0035] In the above scheme, mixing tank 1 top is provided with feeding opening 11, and motor 12 is arranged on the left side outer wall of mixing tank 1, the output end of motor 12 is connected with spiral stirring part 13 located in mixing tank 1, and discharge pipe 14 is arranged on the right side of the bottom of mixing tank 1.

[0036] As an optimization technical scheme of the utility model, concrete raw materials and nanometer reduce pop agent are added into mixing tank 1 from feeding opening 11, and are fully mixed by motor driving spiral stirring part 13, and the mixed concrete is conveyed to discharge pipe 14 by the special structure of spiral stirring part 13, so as to discharge the mixed concrete.

[0037] In the above scheme, the atomized coagulant adding pipe 21 is arranged through the left side of the top of the mixing pipe 2, the air hole sleeve 22 is arranged in the mixing pipe 2, the outer diameter of the air hole sleeve 22 is smaller than the inner diameter of the atomized coagulant adding pipe 21, the air holes 221 are arranged on the circumferential wall of the air hole sleeve 22, and the rotary paddle 23 is arranged on the right side in the air hole sleeve 22.

[0038] As an optimization technical scheme of the utility model, the atomized coagulant can be injected into the mixing pipe 2 through the atomized coagulant adding pipe 21 before the concrete is sprayed, so that the atomized coagulant can be injected into the air hole sleeve 22 through the air holes 221 and fully contact with the concrete, and in the conveying process of the concrete, the rotary paddle 23 can be driven to rotate to realize the stirring of the concrete, so that the atomized coagulant can be fully mixed into the concrete, and the sprayed concrete can be quickly solidified.

[0039] In the above scheme, the liftable platform 8 comprises a vehicle bottom plate 81, a mounting top plate 82, a first cross rod 83, a second cross rod 84 and a hydraulic telescopic pump 85, the mounting top plate 82 is arranged below the vehicle bottom plate 81, the first cross rod 83 and the second cross rod 84 are hingedly connected in the middle and are respectively located on the left and right sides of the vehicle bottom plate 81, the lower end of the first cross rod 83 is hingedly connected to the left side of the top of the vehicle bottom plate 81, and the upper end of the first cross rod 83 is slidingly connected to the right side of the bottom of the mounting top plate 82, the upper end of the second cross rod 84 is hingedly connected to the left side of the bottom of the mounting top plate 82, the lower end of the second cross rod 84 is slidingly connected to the right side of the top of the vehicle bottom plate 81, the bottom of the hydraulic telescopic pump 85 is hingedly connected to the lower end of the first cross rod 83, and the output end of the hydraulic telescopic pump 85 is hingedly connected to the upper end of the second cross rod 84.

[0040] As an optimization technical scheme of the utility model, the corresponding two groups of first sliding grooves 811 and second sliding grooves 821 are arranged on the right side of the top of the vehicle bottom plate 81 and the right side of the bottom of the mounting top plate 82 respectively, so that the upper end of the first cross rod 83 and the lower end of the second cross rod 84 are slidingly connected in the first sliding grooves 811 and the second sliding grooves 821 respectively, and then the upper end of the first cross rod 83 and the upper end of the second cross rod 84 can be made to approach or move away from each other under the driving of the hydraulic telescopic pump 85, and then the lifting or lowering of the mounting top plate 82 can be realized, so as to change the height of the liftable platform 8 according to the actual construction height, and two groups of vehicle wheels 812 are arranged on the left and right sides of the vehicle bottom plate 81 respectively, so as to facilitate the movement of the device as a whole.

[0041] In the above scheme, the lifting and reversing mechanism comprises the electric lifting rod 6 and the U-shaped reversing frame 7, the U-shaped reversing frame 7 is arranged on the upper end of the electric lifting rod 6, the tail of the spraying head 5 is provided with the clamping handle 51, and the clamping handle 51 is arranged in the U-shaped reversing frame 7.

[0042] As an optimization technical scheme of the utility model, the spraying head 5 can be clamped in the U-shaped reversing frame 7 through the clamping handle 51, so as to guarantee the coverage rate of the sprayed concrete, and the height of the spraying head 5 can be changed by using the electric lifting rod 6, thereby realizing the effective spraying work of the concrete.

[0043] In the above scheme, the U-shaped reversing frame 7 is provided with a rotating shaft 71 at the bottom, the rotating shaft 71 is rotationally connected to the upper end of the electric lifting rod 6, and a lower arc-shaped clamping block 73 is rotationally connected in the U-shaped reversing frame 7; the upper arc-shaped clamping block 72 is butted to the lower arc-shaped clamping block 73 through the fastening bolt 75 at the top of the lower arc-shaped clamping block 73; the clamping handle 51 is clamped in the clamping area 76; and the inner sides of the upper arc-shaped clamping block 72 and the lower arc-shaped clamping block 73 are provided with the anti-skid pads 74.

[0044] As an optimization technical scheme of the utility model, the U-shaped reversing frame 7 is rotationally connected to the upper end of the electric lifting rod 6 through the rotating shaft 71, can rotate by 360 degrees in the horizontal direction, and the lower arc-shaped clamping block 73 is rotationally connected in the U-shaped reversing frame 7, so that the clamping handle 51 can swing up and down in the vertical direction when clamped in the clamping area 76, thereby realizing the full-range spraying of the spraying head 5, and the effective clamping and dismounting of the spraying head 5 can be realized by using the covering clamping of the upper arc-shaped clamping block 72.

[0045] Specific implementation case:

[0046] When the device is used for the mixing and spraying work of the concrete, the concrete raw materials and the nano anti-bouncing agent can be added into the mixing tank 1 from the feeding port 11, the concrete is stirred by the spiral stirring piece 13 driven by the motor 12, and then the sufficient mixing of the concrete and the nano anti-bouncing agent can be guaranteed.

[0047] Then, the clamping handle 51 of the spraying head 5 can be placed in the clamping area 76 between the lower arc-shaped clamping block 73 and the upper arc-shaped clamping block 72, fastened through the fastening bolt 75, and at the same time, the atomized condensing agent is added into the mixing pipe 2 through the atomized condensing agent adding pipe 21, so that the stirred concrete in the mixing tank 1 is conveyed into the mixing pipe 2 through the discharge pipe 14, the concrete in the mixing pipe 2 is pumped to the spraying head 5 through the concrete conveying hose 4 by using the pumping of the concrete pump 3, and the concrete is sprayed to the construction position through the spraying head 5.

[0048] In the process of pumping the concrete by the concrete pump 3, the rotating propeller blades 23 are rotated, and then the concrete in the air hole sleeve 22 in the mixing pipe 2 can be stirred, so that the atomized condensing agent can be injected into the air hole sleeve 22 through the air hole 221 and fully mixed with the concrete, and then the sprayed concrete of the spraying head 5 can be quickly condensed, and the spraying effect is improved.

[0049] Finally, the hydraulic telescopic pump 85 of the liftable platform 8 can be controlled according to the spraying height of the construction environment, and under the driving of the hydraulic telescopic pump 85, the upper end of the first cross rod 83 and the upper end of the second cross rod 84 can be close to or away from each other, and then the lifting or falling of the installation top plate 82 can be realized to meet the construction requirements, and during the spraying process, the height of the spraying head 5 can be changed through the electric lifting rod 6, and the omnibearing adjustment of the spraying head 5 can be realized through the reversing function of the U-shaped reversing frame 7, and the spraying efficiency and spraying effect of the engineering construction can be realized.

[0050] The above specific embodiments further specifically explain the purpose, technical scheme and beneficial effects of the present application, and it should be understood that the above description is only a specific embodiment of the present application and is not used to limit the protection scope of the present application, and any modification, equivalent replacement, improvement, etc. within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. A kind of shotcrete nanometer drop agent mixing device, including mixing tank (1), and the jet head (5) of the bottom of mixing tank (1) by concrete pump (3) connection, it is characterized in that: The bottom of the stirring tank (1) is connected with a liftable platform (8) through a support rod, the stirring tank (1) is located at the top left side of the liftable platform (8), and the bottom of the stirring tank (1) is connected with a mixing pipe (2); The mixing pipe (2) is connected with the concrete pump (3), the concrete pump (3) is connected with the spray head (5) through a concrete conveying hose (4), and the spray head (5) is connected to the top right side of the liftable platform (8) through a lifting reversing mechanism.

2. A nanodisperse admixture mixing device for shotcrete according to claim 1, characterized in that: A feeding opening (11) is arranged at the top of the stirring tank (1), a motor (12) is arranged on the left outer wall of the stirring tank (1), a spiral stirring piece (13) located in the stirring tank (1) is connected to the output end of the motor (12), and a discharging pipe (14) is arranged at the right bottom of the stirring tank (1).

3. The apparatus according to claim 1, wherein the apparatus is characterized by: A mist coagulant adding pipe (21) is arranged through the top left side of the mixing pipe (2), a gas hole sleeve (22) is arranged in the mixing pipe (2), and the outer diameter of the gas hole sleeve (22) is smaller than the inner diameter of the mist coagulant adding pipe (21); Gas holes (221) are arranged at equal intervals on the peripheral wall of the gas hole sleeve (22), a rotary propeller blade (23) is arranged at the right side in the gas hole sleeve (22), and the rotary propeller blade (23) is connected in the gas hole sleeve (22) through a fixing rod (231).

4. The apparatus according to claim 1, wherein the apparatus is characterized by: The liftable platform (8) comprises a vehicle bottom plate (81), a mounting top plate (82), a first cross rod (83), a second cross rod (84) and a hydraulic telescopic pump (85), and the mounting top plate (82) is arranged below the vehicle bottom plate (81); The middle portions of the first cross rod (83) and the second cross rod (84) are hingedly connected into two groups and are located on the front and rear sides of the vehicle bottom plate (81), respectively, the lower end of the first cross rod (83) is hingedly connected to the top left side of the vehicle bottom plate (81), and the upper end of the first cross rod (83) is slidingly connected to the right bottom of the mounting top plate (82); The upper end of the second cross rod (84) is hingedly connected to the left bottom of the mounting top plate (82), the lower end of the second cross rod (84) is slidingly connected to the right top of the vehicle bottom plate (81), the bottom of the hydraulic telescopic pump (85) is hingedly connected to the lower end of the first cross rod (83), and the output end of the hydraulic telescopic pump (85) is hingedly connected to the upper end of the second cross rod (84).

5. The apparatus according to claim 1, wherein: The lifting reversing mechanism comprises an electric lifting rod (6) and a U-shaped reversing frame (7), the U-shaped reversing frame (7) is arranged at the upper end of the electric lifting rod (6), and the tail of the spray head (5) is provided with a clamping handle (51) arranged in the U-shaped reversing frame (7).

6. A shotcrete nanodisperse admixture mixing device according to claim 5, wherein: A rotating shaft (71) is arranged at the bottom of the U-shaped reversing frame (7), the rotating shaft (71) is rotationally connected to the upper end of the electric lifting rod (6), and a lower arc-shaped clamping block (73) is rotationally connected in the U-shaped reversing frame (7); An upper arc-shaped clamping block (72) is butt-jointed to the top of the lower arc-shaped clamping block (73) through a fastening bolt (75), and a clamping area (76) is formed between the upper arc-shaped clamping block (72) and the lower arc-shaped clamping block (73); The clamping handle (51) is clamped in the clamping area (76), and the inner side of the upper arc-shaped clamping block (72) and the lower arc-shaped clamping block (73) is provided with a non-slip pad (74).

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