CN218177234U

CN218177234U - Concrete spraying unit

Info

Publication number: CN218177234U
Application number: CN202221085726.6U
Authority: CN
Inventors: 朴红刚
Original assignee: Shaanxi Meinuokun Material Technology Group Co ltd
Current assignee: Shaanxi Meinuokun Material Technology Group Co ltd
Priority date: 2022-05-07
Filing date: 2022-05-07
Publication date: 2022-12-30
Anticipated expiration: 2032-05-07

Abstract

The application provides a concrete sprayer unit relates to tunnel whitewashing construction technical field. The concrete spraying unit comprises a tractor, an automatic air pump, a feeding assembly and a pouring and sweeping assembly. The feeding assembly comprises a hopper car and a conveyor which are communicated with each other, and the hopper car and the tractor are connected with each other. Pour and sweep flat subassembly and include patching machine and sweep flat mechanism, wherein, the pan feeding mouth of patching machine and the discharge end mutual adaptation of conveyer, patching machine and sweep flat mechanism all set up on the tractor, sweep flat mechanism and be used for the shaping that paves. The automatic air pump is used for feeding the liquid accelerator and the early strength agent, and the safety factor of workers is increased. This concrete injection unit can be through sweeping flat subassembly integration with tractor, material loading subassembly and pouring and be a whole, simplifies the step in each technology, has saved the human labor cost in the course of the technology, has finally played the effect of saving time and energy, and this structural design is reasonable, and the practicality is strong.

Description

Concrete spraying unit

Technical Field

The application relates to the technical field of roadway guniting construction, in particular to a concrete spraying unit.

Background

The invented spray construction of tunnel is a kind of technology for underground tunnel construction. The existing roadway guniting construction process is mainly divided into a guniting process and a paving process, wherein the guniting process is roughly divided into the following steps: 1) Dragging the shotcrete machine to a construction site; 2) Dumping sand and stone groove materials (dry materials) near a shotcrete machine on the underground roadway construction site by a ground material transporting vehicle; 3) A worker shovels the sand and stone materials into the pulp sprayer by using a shovel; 4) And starting construction of the slurry spraying machine. The existing paving process comprises the following basic steps: 1) Dumping gravel slurry (wet material) on the ground of a downhole construction site by a material conveying vehicle; 2) The worker manually flattens with a tool.

Therefore, the practical operation process of the prior art has at least the following problems: the shotcrete machine is soaked in mortar for a long time, wheels are rusted or stuck by solidified cement, and a traction vehicle is required to be specially called for transportation or traction and dragging; after the material transporting vehicle discharges materials to the ground, 4-5 workers are needed to shovel sand and stone tank materials (dry materials) into a slurry spraying machine from the ground by using shovels, the workers cannot stop feeding, and the labor intensity is very high; the paving process has the disadvantages of more labor, long time and labor waste; the paving solidification time is long.

Therefore, a concrete spraying unit is needed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a concrete sprayer unit, it can be through being integrated as a whole with tractor, material loading subassembly and pouring and sweep the flat subassembly, simplifies the step in each process, has saved the human labor cost in the process, has finally played the effect of labour saving and time saving, and this structural design is reasonable, and the practicality is strong.

The embodiment of the application is realized as follows:

a concrete sprayer assembly comprising: a tractor; the feeding assembly comprises a hopper car and a conveyor which are communicated with each other, and the hopper car and the tractor are connected with each other; and pouring a leveling assembly, wherein the pouring leveling assembly comprises a pulp sprayer and a leveling mechanism, the feed inlet of the pulp sprayer is matched with the discharge end of the conveyor, the pulp sprayer is arranged on the tractor, and the leveling mechanism is arranged for paving and forming.

This concrete sprayer unit can be through being integrated as a whole with tractor, material loading subassembly and pouring and sweep the flat subassembly, simplifies the step in each process, has saved the human labor cost in the process, has finally played the effect of labour saving and time saving, and this structural design is reasonable, and the practicality is strong. The guniting machine and the tractor are integrated, a special vehicle is not required to drag, and the problem of self-moving of the guniting vehicle is solved; the hopper car is directly unloaded to the dumper, and is conveyed to a feeding port above the patching machine through the conveyor, so that the filling process of workers is omitted, and uninterrupted construction is guaranteed. The sweeping mechanism for paving is integrated with the tractor, and the paving is formed at one time, so that the labor intensity of workers is reduced.

In some embodiments of the present application, the hopper car includes a car body and wheels disposed on the car body, the car body has an end opening, and one side of the car body facing the opening is funnel-shaped.

Funnel-shaped automobile body can guarantee that grit groove material constantly slides toward the automobile body bottom under the effect of self gravity to the conveyer of being convenient for carries grit groove material, reduces artifical loading cost to grit groove material, reduces intensity of labour. Meanwhile, compared with the vehicle body in other shapes, the funnel-shaped vehicle body has good structural stability, more storage space and better use effect.

In some embodiments of the present application, the hopper car further comprises a hose conveyor, the hose conveyor and the cavity of the car body being in communication with each other;

the conveyer is a hard pipe conveyer, and the hard pipe conveyer and the hose conveyer are connected through flanges.

Hose conveyer and hard tube conveyer's connected mode for finally realized the soft or hard transport of integral type, it has solved the defeated bend transmission problem of spiral, is convenient for transport grit groove material toward eminence position by the low position.

In some embodiments of the present application, the tractor includes a traction platform and traction tracks disposed on both sides of the traction platform, and the traction platform and the hopper car are interconnected.

The track has the ground connection and presses down, the effect on protection ground, its traction force is big, it is obvious to deeply turn over the heavy burden operation advantage, do benefit to the tunnel and feed, simultaneously, its trafficability characteristic and climbing ability are superstrong, because the focus of structure self is low, the coefficient of attachment is big, have good slope stability of resisting the upset and gliding, still have mobility that turning radius is little simultaneously, characteristics such as strong off-road nature of climbing ability, to tunnel operation than the wheel drag have better adaptability, especially join in marriage behind the dress rubber track, belong to the operating machinery of all-terrain.

In some embodiments of this application, sweep flat mechanism set up in pull on the platform, just sweep flat mechanism and include the lift unit and the unit that flattens, flatten the unit with lift unit interconnect, just it can to flatten the unit along predetermineeing the direction slip under lift unit's the drive, wherein, predetermine direction and traction direction mutually perpendicular.

The flattening unit can slide along with the lifting unit, namely the flattening unit can be lifted to a proper height, and the flattening unit is pulled by the tractor to flatten the slurry once.

In some embodiments of the present application, the hopper car includes a car body and wheels disposed on the car body, and the lowest point of the traction track and the lowest point of the wheels are located at the same level.

The lowest point of the traction crawler and the lowest point of the wheels are positioned at the same horizontal height position, so that bumping can be reduced, the stability during traction is ensured, and the guniting and paving effects are improved.

In some embodiments of the present application, the tractor further comprises a connecting disc, one side of the connecting disc is detachably connected with the hopper car, and the other side of the connecting disc is detachably connected with the tractor.

Through the arrangement of the connecting discs, the concrete injection unit is provided with a sectional type machine body, is convenient to disassemble and assemble and is suitable for special underground environments.

In some embodiments of the present application, the connection pad includes a connection portion and a rotation shaft that are rotatably connected, the connection portion is a triangle structure, and the rotation shaft and the hopper car are connected to each other.

In some embodiments of the present application, the number of the rotation shafts is two, and two of the rotation shafts are respectively disposed at two corner positions of the same side of the connecting portion.

In some embodiments of the present application, a hydraulic pump station is provided on the tractor, and the hydraulic pump station is used for driving the tractor.

Compared with the prior art, the embodiment of the application has at least the following advantages or beneficial effects:

1) The concrete spraying unit can simplify the steps in each process by integrating the tractor, the feeding assembly and the pouring sweeping assembly into a whole, so that the labor cost in the process is saved, the time and the labor are saved finally, and the structure is reasonable in design and high in practicability;

2) The guniting machine and the tractor are integrated, and a special vehicle is not required to drag, so that the problem of self-moving of the guniting vehicle is solved;

3) The material conveying vehicle directly discharges materials to the hopper car and conveys the materials to a feeding port above the pulp sprayer by using a conveyor, so that the filling process of workers is omitted, and uninterrupted construction is guaranteed;

4) The sweeping mechanism for paving is integrated with the tractor, and the paving is formed at one time, so that the labor intensity of workers is reduced.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.

FIG. 1 is a front view of a concrete sprayer assembly provided in an embodiment of the present application;

fig. 2 is a top view of a concrete injection unit according to an embodiment of the present disclosure.

Icon: 100-concrete spraying unit; 10-a tractor; 101-a traction platform; 102-a traction track; 111-hopper car; 1111-vehicle body; 1112-a wheel; 1113-hose conveyor; 112-a conveyor; 121-a lifting unit; 122-a flattening unit; 13-a connecting disc; 131-a connecting portion; 132-a rotating shaft; 14-hydraulic pump station.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, as generally described and illustrated in the figures herein, could be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making any creative effort belong to the protection scope of the present application.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the embodiments of the present application, it should be noted that if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate an orientation or a positional relationship based on the orientation or the positional relationship shown in the drawings or the orientation or the positional relationship which is usually arranged when the product of the application is used, the description is only for convenience and simplicity, and the indication or the suggestion that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the application.

Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not require that the components be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the embodiments of the present application, "a plurality" means at least 2.

In the description of the embodiments of the present application, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

Examples

Referring to fig. 1 to 2, in which fig. 1 is a front view of a concrete sprayer assembly 100 according to an embodiment of the present disclosure; fig. 2 is a top view of the concrete injection unit 100 according to an embodiment of the present disclosure.

The embodiment of the application provides a concrete spraying unit 100, and the concrete spraying unit 100 comprises a tractor 10, a feeding assembly and a pouring sweeping assembly. The loading assembly includes a hopper car 111 and a conveyor 112 in communication with each other, the hopper car 111 and the tractor 10 being interconnected. The pouring and leveling assembly comprises a slurry sprayer and a leveling mechanism, wherein a feed inlet of the slurry sprayer is matched with a discharge end of the conveyor 112, the slurry sprayer and the leveling mechanism are both arranged on the tractor 10, and the leveling mechanism is used for paving and forming.

It is worth to say that, the concrete spraying unit 100 can simplify the steps in each process by integrating the tractor 10, the feeding assembly and the pouring sweeping assembly into a whole, so that the labor and labor cost in the process is saved, the time and labor are saved, and the structural design is reasonable and the practicability is high. The guniting machine and the tractor 10 are integrated, a special vehicle is not required to drag, and the problem of self-moving of the guniting vehicle is solved; the material transporting vehicle directly discharges materials to the hopper car 111 and conveys the materials to a feeding port above the pulp sprayer by the conveyor 112, so that the filling process of workers is omitted, and uninterrupted construction is guaranteed. The sweeping mechanism for paving is integrated with the tractor 10, and the paving is formed at one time, so that the labor intensity of workers is reduced.

Referring to fig. 1 again, the hopper car 111 includes a car body 1111 and wheels 1112 disposed on the car body 1111, the car body 1111 has an opening at one end, and a side of the car body 1111 facing the opening is funnel-shaped.

It is worth explaining that the funnel-shaped vehicle body 1111 can guarantee that the sandstone groove material continuously slides to the bottom end of the vehicle body 1111 under the action of self gravity, so that the conveyor 112 can convey the sandstone groove material conveniently, the filling cost of manpower for the sandstone groove material is reduced, and the labor intensity is reduced. Meanwhile, compared with the car body 1111 in other shapes, the funnel-shaped car body has good structural stability, more storage space and better use effect.

Optionally, the hopper car 111 further comprises a hose conveyor 1113, and the hose conveyor 1113 is communicated with the cavity of the car body 1111;

the conveyor 112 is a hard pipe conveyor 112, and the hard pipe conveyor 112 and the hose conveyor 1113 are flanged.

Specifically, hose conveyer 1113 and hard tube conveyor 112's connected mode for finally realize the soft or hard transport of integral type, it has solved the defeated bend transmission problem of spiral, is convenient for transport grit groove material from the low position to the eminence position.

In the present embodiment, the tractor 10 includes a traction platform 101 and traction crawlers 102, the traction crawlers 102 are disposed on both sides of the traction platform 101, and the traction platform 101 and the hopper car 111 are connected to each other.

It is worth explaining that the crawler belt has the advantages of low grounding ratio, ground protection effect, large traction force, obvious deep-turning load operation advantages, being beneficial to roadway feeding, and simultaneously, super strong trafficability and climbing capacity, and has the characteristics of good stability of resisting tipping and gliding due to low gravity center and large adhesion coefficient of the structure, small turning radius maneuverability, strong climbing capacity and the like, and has better adaptability to roadway operation than wheel tractors, in particular to the operation machinery of all-terrain after being assembled with rubber crawler belts.

Optionally, the sweeping mechanism is disposed on the traction platform 101, and the sweeping mechanism includes a lifting unit 121 and a flattening unit 122, the flattening unit 122 and the lifting unit 121 are connected to each other, and the flattening unit 122 can slide along a preset direction under the driving of the lifting unit 121, where the preset direction and the traction direction are perpendicular to each other.

Specifically, the flattening unit 122 can slide along with the lifting unit 121, that is, the flattening unit 122 can be lifted to a proper height, and is pulled by the tractor 10 to flatten the slurry once.

In the present embodiment, the hopper car 111 includes a car body 1111 and wheels 1112 provided on the car body 1111, and the lowest point of the traction crawler 102 and the lowest point of the wheels 1112 are located at the same level.

It is worth to be noted that the lowest point of the traction caterpillar 102 and the lowest point of the wheel 1112 are located at the same horizontal height, so that the jolt can be reduced, the stability during traction can be ensured, and the guniting and paving effects can be improved

Referring to fig. 2, the tractor further comprises a connecting disc 13, one side of the connecting disc 13 is detachably connected with the hopper car 111, and the other side of the connecting disc 13 is detachably connected with the tractor 10.

It is worth to be noted that the arrangement of the connecting disc 13 enables the concrete injection unit 100 to have a sectional type machine body, so that the concrete injection unit is convenient to assemble and disassemble and is suitable for special underground environments.

It can be understood that the connecting plate 13 includes a connecting portion 131 and a rotating shaft 132 which are rotatably connected, the connecting portion 131 is of a triangular plate structure, and the rotating shaft 132 and the hopper car 111 are connected to each other.

It can be further understood that, in an embodiment of the present embodiment, the number of the rotating shafts 132 is two, and the two rotating shafts 132 are respectively disposed at two corner positions on the same side of the connecting portion 131.

Specifically, the tractor 10 is provided with a hydraulic pump station 14, and the hydraulic pump station 14 is used for driving the tractor 10.

The unit also comprises an automatic air pump which can be used for feeding the accelerating agent and the early strength agent.

According to the operation requirement and the actual production process, after the unit is used, the following beneficial effects are achieved when the unit is operated in a certain place:

1. in the original guniting construction process, 1 person holds a spray gun and 4-5 persons feed materials one shift; in the existing construction process, 1 person holds the spray gun, and 1 person operates the unit, so that 3-4 workers can be saved, and the labor intensity of workers is greatly reduced.

2. The paving process only needs 2 people now and reduces the labor by 3-4 people.

3. In the prior construction process, workers need to rest due to repeated labor, and the machine can be continuously constructed under the condition of sufficient supply of ground raw materials in the prior process.

4. The original construction process sprays the slurry 15-20 meters per shift, and the existing unit sprays the slurry 30-40 meters per shift, so that the efficiency is doubled.

5. The unit is simple to operate, and can be operated by simple training of workers.

6. All motors are explosion-proof motors, and the wiring part adopts an explosion-proof junction box, so that the underground use is safe.

7. The quick-setting admixture is used on the unit, the spraying resilience rate is reduced to 5-10% from the original 25-40%, the setting time is reduced to about 2 minutes and 40 seconds from the original 3-6 minutes, and one-time lane forming is carried out; ( Liquid accelerator: reduce shotcrete dust content and rebound rate, improve shotcrete quality, the power increases the rebound rate that reaches control shotcrete: the vertical plane is less than 12%; the vertical surface is less than 18%; the high-performance special liquid setting accelerator can greatly reduce construction dust. )

8. Adding self-prepared super early strength agent composed of quick-setting early strength component and water-reducing component to prepare the early strength concrete. The 2d strength of the concrete reaches more than 60% of the design strength, the 3d strength reaches 100% of the design strength, and the requirement of JC4E explosion-proof type concrete mixer (18 tons) on the strength of the terrace concrete is met; the initial setting time is more than or equal to 6h; the collapse loss is less than or equal to 1h and less than or equal to 30 mm, and the collapse loss is less than or equal to 2h and less than or equal to 60 mm; the unilateral cost of the concrete is basically equal to the existing cost.

9. The liquid accelerator liquid early strength agent feeding system is driven by the existing underground wind power without additional wiring;

10. the integrated automatic walking of this unit, automatic feeding, the function is integrative to automatic sweeping, and the application of liquid accelerator early strength agent makes the work efficiency of this unit promote 5 times than traditional technology.

The working principle of the unit comprises the following steps:

the working process of guniting comprises the following steps: 1) Before working, connecting wires on the unit, wherein the tractor 10 and the hopper car 111 are along the direction of a roadway; 2) The tractor 10 moves to a proper position of the roadway, and the hopper car 111 is close to the inlet so as to facilitate the unloading of the wellhead hopper car; 3) After the air pipe is connected, the material transporting dump truck directly dumps sand and stone groove materials (dry materials) into the truck body 1111 of the hopper truck 111; 4) A conveyor 112 on a hopper car 111 conveys the sand and gravel groove materials (dry materials) to a feeding port of a shotcrete machine on the front tractor 10, and the shotcrete machine starts to work;

the paving working process comprises the following steps: 5) When the spray gun is aligned to the ground and slurry on the ground is accumulated to a sufficient height, the sweeping mechanism is lifted to a proper height and pulled by the tractor 10 to pave the slurry once.

In summary, embodiments of the present application provide a concrete injection unit 100. The concrete sprayer assembly 100 includes a tractor 10, a loading assembly and a casting screed assembly. The loading assembly includes a hopper car 111 and a conveyor 112 in communication with each other, the hopper car 111 and the tractor 10 being interconnected. The pouring and leveling assembly comprises a pulp sprayer and a leveling mechanism, wherein a feed inlet of the pulp sprayer is matched with a discharge end of the conveyor 112, the pulp sprayer and the leveling mechanism are both arranged on the tractor 10, and the leveling mechanism is used for paving and forming. This concrete sprayer unit 100 can be through being integrated into a whole with tractor 10, material loading subassembly and pouring sweep the flat subassembly, simplifies the step in each process, has saved the human labor cost in the process, has finally played the effect of saving time and energy, and this structural design is reasonable, and the practicality is strong. The guniting machine and the tractor 10 are integrated, a special vehicle is not required to drag, and the problem of self-moving of the guniting vehicle is solved; the material transporting vehicle directly discharges materials to the hopper car 111 and conveys the materials to a feeding port above the pulp sprayer by the conveyor 112, so that the filling process of workers is omitted, and uninterrupted construction is guaranteed. The sweeping mechanism for paving is integrated with the tractor 10, and the paving is formed at one time, so that the labor intensity of workers is reduced.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A concrete sprayer unit, comprising:

a tractor;

the feeding assembly comprises a hopper car and a conveyor which are communicated with each other, and the hopper car and the tractor are connected with each other; and

pour and sweep the flat subassembly, pour and sweep the flat subassembly and include patching machine and sweep flat mechanism, wherein, the pan feeding mouth of patching machine with the discharge end mutual adaptation of conveyer, the patching machine with sweep flat mechanism all set up in on the tractor, sweep flat mechanism and be used for the shaping that paves.

2. The concrete spraying unit as claimed in claim 1, wherein the hopper car includes a car body and wheels provided on the car body, the car body has an opening at one end, and a side of the car body facing the opening is funnel-shaped.

3. A concrete sprayer unit as claimed in claim 2, wherein said hopper car further includes a hose conveyor, said hose conveyor communicating with a cavity of said car body;

the conveyer is a hard pipe conveyer, and the hard pipe conveyer is connected with the hose conveyer through a flange.

4. The concrete injection unit of claim 1, wherein the tractor includes a traction platform and traction tracks, the traction tracks are disposed on both sides of the traction platform, and the traction platform and the hopper car are connected to each other.

5. The concrete sprayer unit according to claim 4, wherein the sweeping mechanism is disposed on the traction platform, and the sweeping mechanism comprises a lifting unit and a flattening unit, the flattening unit and the lifting unit are connected with each other, and the flattening unit can slide along a preset direction under the driving of the lifting unit, wherein the preset direction and the traction direction are perpendicular to each other.

6. The concrete injection unit of claim 4, wherein the hopper car comprises a car body and wheels arranged on the car body, and the lowest point of the traction track and the lowest point of the wheels are located at the same horizontal level.

7. The concrete injection unit of claim 1, further comprising a connecting disc, wherein one side of the connecting disc is detachably connected with the hopper car, and the other side of the connecting disc is detachably connected with the tractor.

8. The concrete injection unit of claim 7, wherein the connecting plate comprises a connecting part and a rotating shaft, the connecting part is rotatably connected, the connecting part is of a triangular plate structure, and the rotating shaft and the hopper car are connected with each other.

9. The concrete injection unit of claim 8, wherein the number of the rotating shafts is two, and the two rotating shafts are respectively arranged at two corner positions on the same side of the connecting portion.

10. The concrete spraying unit according to claim 1, wherein the tractor is provided with a hydraulic pump station, and the hydraulic pump station is used for driving the tractor.