CN215213530U - Single hopper automatic feeding whitewashing equipment - Google Patents

Abstract

The utility model belongs to the technical field of the operation is strutted in coal mine tunnel. The single-hopper automatic feeding and guniting equipment comprises a frame, a feeding hopper, a guniting machine and a lifting and conveying unit, wherein the feeding hopper, the guniting machine and the lifting and conveying unit are arranged on the frame; the feeding hopper is hinged to the frame, an overturning driving part is arranged between the feeding hopper and the frame, and the overturning driving part drives the feeding hopper to be switched between a feeding station and a discharging station; the lifting and conveying unit is arranged on the frame between the feeding hopper and the pulp shooting machine, and the discharge end of the lifting and conveying unit is arranged corresponding to the feeding end of the pulp shooting machine; when the feeding hopper is positioned at the unloading station, the discharge hole of the feeding hopper is arranged corresponding to the feed inlet of the lifting material conveying unit. This application structural design is reasonable, can be applicable to the automatic feeding shotcrete operation in the tunnel of size on the small side, improves application scope, satisfies the requirement of the construction process in the narrow and small tunnel, improves injection quality and efficiency.

Description

Single hopper automatic feeding whitewashing equipment

Technical Field

The utility model belongs to the technical field of the operation is strutted in the coal mine tunnel, concretely relates to single hopper automatic feeding whitewashing equipment.

Background

What generally adopts in the coal mine tunnel support field is anchor shotcrete support, receives the restriction of environmental space, can only spray the concrete with artifical material loading, and the material loading method is that the operative employee shovels the material into the hopper of patching machine from ground in, and the patching machine that generally adopts is that the hourly material supply volume 6 ~ 7m year (about closing 9 t), and it is big to think of the manual material loading formula intensity of labour that adopts to raise dust that the shovel material brought is great to participating in labour's safety and health influence. Especially, when the large-section roadway of the coal mine is subjected to manual guniting operation, the large-volume guniting operation needs to be carried out continuously, the manual feeding mode belongs to high-strength operation, and the number of workers is doubled for carrying out shift change feeding, so that the labor and the time are wasted, and the construction progress is influenced. With the development of the society in China, it is more and more difficult for workers at the front line of coal mines to recruit, and at present, the age of the personnel is generally larger, and the physical ability is gradually reduced year by year. The expenditure of the wages of the personnel is increased year by year, and the mine faces deep contradictions and problems of poor environment, difficult employment, high wages, low efficiency and little return. To break away from the industrial dilemma, the problems need to be fundamentally solved, and the automatic feeding and operation functions of the equipment are realized.

Due to the requirements of roadway space, the influence of the environmental humidity of underground operation, the explosion-proof requirement in the roadway and the requirements of the construction process and layout of the whole machine, the feeding and guniting equipment needs to be further optimized and adjusted, so that the requirements of roadway operation are met structurally and in layout.

The utility model provides an automatic material loading whitewashing platform truck, it structurally can satisfy the requirement of most tunnel operation, however because hopper upset and operation space are restricted, only can satisfy big section tunnel construction operation, can not satisfy the tunnel that partial size is slightly littleer, because hopper material receiving quantity is unchangeable, and need height and equipment structure and overall dimension's restriction after the hopper upset, so need carry out new design to its structure and be used for solving this problem.

Disclosure of Invention

The utility model aims at the problem that above-mentioned exists with not enough, provide a single hopper automatic feeding whitewashing equipment, its structural design is reasonable, can be applicable to the automatic feeding whitewashing operation in the tunnel that the size is slightly little, improves application scope, satisfies the requirement of the construction technology in narrow and small tunnel, improves injection quality and efficiency.

In order to realize the purpose, the adopted technical scheme is as follows:

a single hopper automatic feed guniting apparatus, comprising:

the lower part of the frame is provided with a walking component;

the feeding hopper and the guniting machine are arranged on the frame, the feeding hopper is hinged to the frame, an overturning driving part is arranged between the feeding hopper and the frame, and the overturning driving part drives the feeding hopper to be switched between a feeding station and an unloading station; and

the lifting and conveying unit is arranged on the frame between the feeding hopper and the pulp shooting machine, and the discharge end of the lifting and conveying unit corresponds to the feeding end of the pulp shooting machine;

when the feeding hopper is positioned at the unloading station, the discharge hole of the feeding hopper is arranged corresponding to the feed inlet of the lifting material conveying unit.

According to the single-hopper automatic feeding guniting equipment of the utility model, preferably, the lifting material conveying unit is an obliquely arranged belt conveyor; the belt conveyor includes:

a frame;

the conveying rollers are arranged at two ends of the rack, and conveying belts are arranged on the conveying rollers;

a hydraulic motor for driving the conveying roller to move; and

and the buffer hopper is correspondingly arranged at the feed end of the belt conveyor, and corresponds to the feeding hopper at the unloading station.

According to the utility model discloses single hopper automatic feeding whitewashing equipment, preferably, promote conveying pipeline, the setting that conveying unit set up including the slope and be in conveying spiral and defeated material drive division in the conveying pipeline.

According to the utility model discloses single hopper automatic feeding whitewashing equipment, preferably, still include dust collecting system and cable plate rail, dust collecting system and cable plate rail are located respectively the both sides of patching machine, just dust collecting system, patching machine and cable plate rail lay side by side the rear end portion of frame, dust collecting system with the blast pipe intercommunication of patching machine.

According to the utility model discloses single hopper automatic feeding whitewashing equipment, preferably, the feeding funnel includes:

the hopper comprises a hopper body, wherein the hopper body is conical, the left side of the hopper body is a feeding end, and the right side of the hopper body is a discharging end;

a lower bottom plate disposed at a lower front portion of the hopper body;

the front baffle is arranged at the front part of the lower bottom plate, and a side plate of the hopper body is fixedly connected with the lower bottom plate and the front baffle; and

the connecting plate is arranged on the rear side of the hopper body, and a first hinge lug and a second hinge lug are arranged on the connecting plate;

when the feeding device is positioned at a feeding station, the lower bottom plate is attached to the ground, and a feeding hole of the feeding hopper faces the front upper part.

According to the utility model discloses single hopper automatic feeding whitewashing equipment, preferably, the frame lateral part is provided with multiunit hydraulic leg; and a control valve group system, an explosion-proof distribution box, an explosion-proof motor, a hydraulic workstation and a seat are arranged on the frame on two sides of the lifting material conveying unit.

According to the utility model discloses single hopper automatic feeding whitewashing equipment, preferably, the running gear is crawler chassis.

According to the utility model discloses single hopper automatic feeding whitewashing equipment, preferably, the upset drive division is hydraulic cylinder.

By adopting the technical scheme, the beneficial effects are as follows:

the invention adopts the belt conveyor to convey materials, has more compact structure and small space and occupied area, and has the characteristics of adjustable feeding speed, good safety performance, simple operation, convenient use and the like; in addition, this application feed is even, and the feed control range is big, and is small, compact structure, and the leakproofness is good, and explosion-proof safety, the practicality is strong, is particularly suitable for being applied to colliery borehole operation, all has very big guarantee to the adaptability and the security of using the scene.

The invention has compact integral structure, high automation degree, simple operation and convenient maintenance; the hydraulic system is adopted for transmission, so that the safety and the reliability are realized; the crawler chassis and the hydraulic motor are adopted for driving, so that the equipment is flexible and convenient to move; no raise dust, health and environmental protection; the guniting operation can be realized by less personnel, and the win-win effect of safety is realized.

This application can realize the regulation and control to the feeding volume through band conveyer's speed adjustment and the setting of buffering hopper to satisfy the work demand of patching machine. This application can reduce the mounting height requirement of feeding funnel through promoting the setting of defeated material unit to make the working height greatly reduced in the course of the work, can satisfy the job requirement in narrow and small tunnel. The structure to the feeding funnel of this application has carried out the design of pertinence for it reduces the operation height under the prerequisite of material loading volume assurance satisfaction requirement, and this application can reduce the operation height of feeding funnel to below 3m, can carry out further optimization according to specific operation demand, also makes things convenient for follow-up further improvement and the upgrading to the product, and it is the practicality to have improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings of the embodiments of the present invention will be briefly described below. The drawings are intended to depict only some embodiments of the invention, and not all embodiments of the invention are limited thereto.

Fig. 1 is one of the schematic three-dimensional structures of a single-hopper automatic feeding and guniting device according to the embodiment of the present invention.

Fig. 2 is a second schematic perspective view of a single-hopper automatic-loading guniting apparatus according to an embodiment of the present invention.

Fig. 3 is a schematic structural diagram of a front view of a single-hopper automatic feeding and guniting device according to the embodiment of the present invention.

Fig. 4 is a schematic top view of fig. 3.

Fig. 5 is a schematic structural diagram of a feeding funnel according to the embodiment of the present invention.

Number in the figure:

100 is a frame, 110 is a crawler chassis, and 120 is a hydraulic support leg;

200 is an upper hopper, 201 is a hopper body, 202 is a lower bottom plate, 203 is a front baffle, 204 is a connecting plate, 205 is a first hinge lug, 206 is a second hinge lug, 207 is a hydraulic oil cylinder;

300 is a belt conveyor, 310 is a buffer hopper;

410 is a dust collecting system, 420 is a cable tray frame, 430 is a control valve group system, 440 is an explosion-proof distribution box, 450 is an explosion-proof motor, 460 is a hydraulic work station, and 470 is a seat;

and 500, a shotcrete machine.

Detailed Description

The embodiments of the present invention will be described more fully hereinafter with reference to the accompanying drawings, in which embodiments of the invention are shown. Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by those of ordinary skill in the art.

In the description of the present invention, it is to be understood that the terms "first," "second," and the like are used for describing various elements of the present invention, and do not denote any order, quantity, or importance, but rather are used to distinguish one element from another.

It should be noted that when an element is referred to as being "connected," "coupled," or "connected" to another element, it can be directly connected, coupled, or connected, but it is understood that intervening elements may be present therebetween; i.e., positional relationships encompassing both direct and indirect connections.

It should be noted that the use of the terms "a" or "an" and the like do not necessarily denote a limitation of quantity. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items.

It should be noted that terms indicating orientation or positional relationship such as "upper", "lower", "left", "right", and the like, are used only for indicating relative positional relationship, which is for convenience of describing the present invention, and not that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation; when the absolute position of the object to be described is changed, the relative positional relationship may also be changed accordingly.

Referring to fig. 1-5, the present application discloses a single-hopper automatic feeding guniting device, which comprises a frame 100, a feeding hopper 200 arranged on the frame 100, a guniting machine 500 and a lifting material conveying unit, wherein a walking assembly is arranged at the lower part of the frame 100, and the walking assembly in the present embodiment preferably adopts a crawler chassis 110; the feeding hopper 200 is hinged to the frame 100, an overturning driving part is arranged between the feeding hopper 200 and the frame 100, the overturning driving part is a hydraulic oil cylinder 207, and the overturning driving part drives the feeding hopper 200 to be switched between a feeding station and a discharging station; the lifting and conveying unit is arranged on the frame 100 between the feeding hopper 200 and the pulp shooting machine 500, and the discharge end of the lifting and conveying unit is arranged corresponding to the feeding end of the pulp shooting machine 500; when the feeding hopper 200 is positioned at the unloading station, the discharge hole of the feeding hopper 200 is arranged corresponding to the feed inlet of the lifting and conveying unit.

The defeated material unit of promotion in this application preferably adopts band conveyer, specifically: the lifting and conveying unit is a belt conveyor 300 which is obliquely arranged; the belt conveyor 300 includes a frame, conveying rollers, a hydraulic motor, and a buffer hopper 310, wherein the conveying rollers are disposed at both ends of the frame, and a conveying belt is disposed on the conveying rollers; the hydraulic motor drives the conveying roller to act; the buffer hopper 310 is correspondingly arranged at the feeding end of the belt conveyor, and the buffer hopper 310 corresponds to the feeding hopper 200 at the discharging station. In the working process, the feeding hopper is filled with materials at the feeding station and lifted by the hydraulic oil cylinder, the materials in the feeding hopper fall into the belt conveyor through the buffer hopper, the buffer hopper can accept redundant materials as temporary storage, the excessive conveying capacity on the belt conveyor is avoided, the feeding capacity can be effectively controlled by adjusting the speed of the belt conveyor, and the continuity of the whole feeding process is ensured.

Except foretell band conveyer, this application can also adopt the promotion feeding unit of other forms, and specific promotion feeding unit is in including the conveying pipeline of slope setting, setting conveying spiral and the defeated material drive division in the conveying pipeline. When the spiral conveying is adopted, a buffer hopper is required to be arranged in a matched mode to guarantee the continuity of the whole system.

Further, this application still is provided with dust collecting system 410 and cable tray rack 420, and dust collecting system 410 and cable tray rack 420 are located respectively the both sides of patching machine 500, just dust collecting system 410, patching machine 500 and cable tray rack 420 are laid side by side and are established the rear end of frame 100, dust collecting system 410 with the blast pipe intercommunication of patching machine 500. The whole structure is more reasonable in arrangement and compact in structure, and sufficient configuration space is reserved for other structural components more conveniently.

In order to guarantee that single material loading volume meets the requirements during material loading, this application has carried out optimal design to the structure of feeding funnel, specifically: the upper hopper 200 comprises a hopper body 201, a lower bottom plate 202, a front baffle 203 and a connecting plate 204, wherein the hopper body is conical, the left side of the hopper body 201 is a feeding end, and the right side of the hopper body 201 is a discharging end; the lower bottom plate 202 is arranged at the lower part of the front side of the hopper body 201; the front baffle 203 is arranged at the front part of the lower bottom plate 202, and the side plates of the hopper body 201 are fixedly connected with the lower bottom plate 202 and the front baffle 203; the connecting plate 204 is arranged at the rear side of the hopper body 201, and a first hinge lug 205 and a second hinge lug 206 are arranged on the connecting plate 204; when the feeding device is positioned at a feeding station, the lower bottom plate 202 is attached to the ground, and a feeding hole of the feeding hopper 200 faces to the front upper side. The structure is described by taking the azimuth direction shown in fig. 5 as a reference, the feeding hopper shown in the figure is a state diagram at a feeding station, the feeding hopper can bear more materials, the materials cannot be scattered on a frame in the overturning process, and the bearing performance among corresponding structures is better.

In addition, the feeding and guniting actions can be completed integrally, so that a plurality of groups of hydraulic support legs 120 are arranged on the side portion of the frame 100, and the stability of the integral structure is better through the support of the hydraulic support legs in the working process, the flatness of the frame is convenient to adjust, and the frame is suitable for different terrains; and a control valve group system 430, an explosion-proof distribution box 440, an explosion-proof motor 450, a hydraulic work station 460 and a seat 470 are arranged on the frame 100 at two sides of the lifting and conveying unit. The explosion-proof motor adopts an explosion-proof three-phase asynchronous motor, and the design of the structure meets the power and control required in the feeding and guniting actions, so that the whole equipment realizes automatic mechanical operation, and the use is more convenient.

The dust collecting system adopts a pneumatic control pulse type filter cartridge dust remover, and the shotcrete machine adopts a rotor type concrete sprayer; in particular, a shotcrete machine is used to effect the delivery and injection of concrete mix. The guniting machine mainly comprises a driving device, a rotor assembly, a gas path system, an injection system, an electric device and the like. The stirred material is fed into the hopper of the injection machine through a vibrating screen by a batching and stirring tank, stirred by a stirring device and injected into a straight-through material cavity of a rotor, swirled to a discharge port along with the rotor, compressed air is introduced from an air chamber, the material is blown into a discharge elbow, another strand of compressed air is introduced by a swirler, the material is blown off and accelerated in a multi-head spiral state, rotated and floated, enters a material conveying pipe, and reaches a spray head to be added with a small amount of supplementary moisture for injection.

The dust collecting system is used for generating micro negative pressure around equipment, collecting dust on key parts and purifying the field operation environment. The device comprises a centrifugal fan, a shield, a dust removal pipeline, a settling chamber, a dust removal filter bag, an ash removal device, an ash removal bucket and the like. The dust-containing gas is collected through the passport and enters the settling chamber along the dust removal pipeline, and under the negative pressure generated by the centrifugal fan, the dust-containing gas passes through the filter bag, dust and solid particles are blocked by the filter bag, and the clean air is discharged after passing through the centrifugal fan pipeline.

The patching machine also comprises an air supply system which mainly refers to different functions realized by a compressed air pipeline system and an end effector. The air distribution box mainly comprises an air inlet pipe, an air box, a distributor, a pressure gauge, an upper air path, a lower air path, a valve and a pipeline. Compressed air enters the air box through the main air pipe, the air box distributes two air pipes, one air pipe enters the rotor body material cavity through the upper air pipe, and mixed materials are pressed into the discharger. The other path directly enters a discharging device, and the mixture is sprayed to a sprayed surface through a conveying pipeline under the combined action of the two air flows.

The hydraulic system mainly refers to a hydraulic station and a control valve group system. A hydraulic source device including a hydraulic pump, a driving motor, a tank, a directional valve, a throttle valve, a relief valve, and the like, or a hydraulic device including a control valve. The oil supply is carried out according to the flow direction, pressure and flow required by the driving device, is suitable for various machines with the driving device separated from a hydraulic station, and the hydraulic station is connected with the driving device (an oil cylinder or a motor) by an oil pipe to realize the oil supply and driving actions of various pipelines.

The electric appliance control system mainly refers to a control cabinet and an electric circuit. The conventional input is three-phase 380/660v or 660/1140v mining power supply, the main power switch adopts a leakage protection switch, each circuit has respective short circuit overload protection, and the control circuit can independently start and stop the operation of each motor.

While the above description has described in detail the preferred embodiments for carrying out the invention, it should be understood that these embodiments are presented by way of example only, and are not intended to limit the scope, applicability, or configuration of the invention in any way. The scope of the invention is defined by the appended claims and equivalents thereof. Many modifications may be made to the foregoing embodiments by those skilled in the art in light of the teachings of the present disclosure, and such modifications are intended to be within the scope of the present disclosure.

Claims (8)

1. The utility model provides a single hopper automatic feeding whitewashing equipment which characterized in that includes:

the lower part of the frame is provided with a walking component;

the feeding hopper and the guniting machine are arranged on the frame, the feeding hopper is hinged to the frame, an overturning driving part is arranged between the feeding hopper and the frame, and the overturning driving part drives the feeding hopper to be switched between a feeding station and an unloading station; and

the lifting and conveying unit is arranged on the frame between the feeding hopper and the pulp shooting machine, and the discharge end of the lifting and conveying unit corresponds to the feeding end of the pulp shooting machine;

when the feeding hopper is positioned at the unloading station, the discharge hole of the feeding hopper is arranged corresponding to the feed inlet of the lifting material conveying unit.

2. The single-hopper automatic slurry-feeding guniting apparatus according to claim 1, wherein the elevation feeding unit is an inclined belt conveyor; the belt conveyor includes:

a frame;

the conveying rollers are arranged at two ends of the rack, and conveying belts are arranged on the conveying rollers;

a hydraulic motor for driving the conveying roller to move; and

and the buffer hopper is correspondingly arranged at the feed end of the belt conveyor, and corresponds to the feeding hopper at the unloading station.

3. The single-hopper automatic slurry-feeding guniting apparatus according to claim 1, wherein said elevating conveyor unit comprises a conveyor pipe disposed obliquely, a conveyor screw disposed in said conveyor pipe, and a conveyor driving portion.

4. The single-hopper automatic feeding guniting equipment according to claim 1, further comprising a dust collecting system and a cable tray rack, wherein the dust collecting system and the cable tray rack are respectively located on two sides of the guniting machine, the dust collecting system, the guniting machine and the cable tray rack are arranged at the rear end portion of the frame side by side, and the dust collecting system is communicated with an exhaust pipe of the guniting machine.

5. The single-hopper automatic feeding guniting apparatus according to claim 1, wherein the feeding hopper comprises:

the hopper comprises a hopper body, wherein the hopper body is conical, the left side of the hopper body is a feeding end, and the right side of the hopper body is a discharging end;

a lower bottom plate disposed at a lower front portion of the hopper body;

the front baffle is arranged at the front part of the lower bottom plate, and a side plate of the hopper body is fixedly connected with the lower bottom plate and the front baffle; and

the connecting plate is arranged on the rear side of the hopper body, and a first hinge lug and a second hinge lug are arranged on the connecting plate;

when the feeding device is positioned at a feeding station, the lower bottom plate is attached to the ground, and a feeding hole of the feeding hopper faces the front upper part.

6. The single-hopper automatic feeding guniting equipment according to claim 1, wherein a plurality of groups of hydraulic legs are arranged on the side part of the frame; and a control valve group system, an explosion-proof distribution box, an explosion-proof motor, a hydraulic workstation and a seat are arranged on the frame on two sides of the lifting material conveying unit.

7. The single hopper automatic loading guniting apparatus of claim 1, wherein the walking assembly is a crawler chassis.

8. The single-hopper automatic feeding guniting equipment according to claim 1, wherein the overturning driving part is a hydraulic oil cylinder.

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