CN215830519U

CN215830519U - Articulated concrete wet blasting machine

Info

Publication number: CN215830519U
Application number: CN202122024847.1U
Authority: CN
Inventors: 朱志民; 邹海波; 王庆阳; 刘绍东; 刘铭宇
Original assignee: Jiangxi Siton Machinery Manufacturing Co Ltd
Current assignee: Jiangxi Siton Machinery Manufacturing Co Ltd
Priority date: 2021-08-26
Filing date: 2021-08-26
Publication date: 2022-02-15
Anticipated expiration: 2031-08-26

Abstract

The application discloses an articulated concrete wet spraying machine, which realizes the connection of a front frame and a rear frame by arranging an articulated part, so that the whole frame body structure is separated, and the limitation of bending travel to a corner is greatly reduced; the rotating shaft is provided with a channel for the circulation of lubricating oil to lubricate parts, so that the rotating efficiency is improved; the steering actuating mechanism is arranged to realize the steering of the front frame and drive the rear frame; the square holes aligned through arrangement are used for wiring, and convenience is brought to later-stage overhauling and troubleshooting. The device that this application provided has and removes the flexibility, can bend in the less mine tunnel of cross section and engineering tunnel and march, rotate effectual, advantages such as convenient to use.

Description

Articulated concrete wet blasting machine

Technical Field

The utility model relates to an engineering machine tool technical field, specifically relate to a hinge type concrete wet blasting machine.

Background

The wet concrete sprayer is one engineering machine with hydraulic pressure to convey the mixed concrete material to the spraying gun, compressed air and setting accelerator connected to the nozzle to spray the mixed material to the sprayed surface, and the mixed material is fast coagulated and hardened to form the concrete support layer. The shotcrete technique has wide application in various construction fields due to its simple process and economic cost.

The concrete wet-type shotcrete machine on the market at present is mainly characterized by an automobile chassis, a concrete pumping mechanism is additionally arranged on the chassis, the automobile chassis type shotcrete machine generally adopts single-axle steering and single-axle driving, and the concrete wet-type shotcrete machine has poor trafficability and climbing capability and large steering radius when the concrete wet-type shotcrete machine runs on a rough road surface in a hollow state.

Some concrete wet blasting machines have been described in the prior art to be capable of adapting to the working conditions of complex terrains, for example, the publication number is: the invention patent of CN108979671A discloses a concrete wet spraying machine, and specifically discloses that the concrete wet spraying machine is provided with two independent power systems, namely a fuel engine power system and a motor power system, the two systems can be freely switched through a power switch, and a concrete pumping system comprises an accelerator container, an air compressor, a compressed air splitter, an accelerator mixer, a mixed flow spray head and a hopper. In the technical scheme, the accelerating agent and the compressed air are mixed and then conveyed to the mixed flow spray head, meanwhile, the concrete in the hopper is conveyed to the mixed flow spray head through the concrete pump, the compressed air, the accelerating agent and the concrete are mixed in the mixed flow spray head and then sprayed to a construction operation surface through the guniting pipeline, and the concrete solidification uniformity pouring quality is greatly improved. According to the technical scheme, the rigid engineering machinery chassis and four-wheel full-time driving are adopted, functions of straight line walking, crab-shaped walking, pivot steering, splayed walking, independent steering of front wheels, independent steering of rear wheels and the like can be realized under a certain working condition, but the concrete wet spraying machine is large in size and long in length due to the integral structure design, and is still difficult to bend and walk in mine tunnels and engineering tunnels with small cross sections.

For example, the publication number is: the utility model of CN209293803U discloses a concrete wet spraying machine chassis and a concrete wet spraying machine, and specifically discloses a concrete wet spraying machine chassis comprising a bearing chassis and a traveling system, wherein the traveling system comprises a front axle, a transmission shaft, a rear axle and a hydraulic transmission system; the front axle and the rear axle are respectively fixed to the front and the rear of the bottom of the bearing chassis and connected through a transmission shaft, the transmission shaft comprises a front transmission shaft, a middle transmission shaft and a rear transmission shaft, the hydraulic transmission system comprises an engine, a walking pump arranged on the engine, a steering brake pump, a walking motor and an electromagnetic reversing valve, the output end of the steering brake pump is connected with the electromagnetic reversing valve, the electromagnetic reversing valve is connected with a steering oil cylinder, the walking pump is in transmission connection with the walking motor, the output end of the walking motor is connected with a gearbox, the gearbox is respectively connected with a main speed reducer and a transmission shaft of the front axle, and the transmission shaft is connected with a main speed reducer of the rear axle. The front axle and the rear axle in the technical scheme realize steering through the steering oil cylinders, the independent steering of the front axle and the simultaneous steering of the front axle and the rear axle can be realized, the chassis of the concrete wet spraying machine adopts double-axle driving and double-axle steering, and the requirement of the wet spraying machine on the severe road surface of a tunnel for turning on the ground is met. However, the concrete wet spraying machine is large in size and long in length, and still has difficulty in bending and walking in mine tunnels and engineering tunnels with small cross sections.

According to the technical scheme disclosed at present, the existing concrete wet spraying machine has the defect of difficulty in advancing under the condition of poor working condition.

SUMMERY OF THE UTILITY MODEL

This openly has difficulty scheduling problem of marcing to concrete wet blasting machine among the prior art under the not good condition of operating mode, provides an articulated formula concrete wet blasting machine, and the device mainly used realizes the concrete spray-seeding in the mine tunnel, and the device has and removes in a flexible way, in the less mine tunnel of cross section and engineering tunnel flexible marcing, rotate advantages such as effectual, convenient to use.

The conception of the disclosure is to provide an articulated concrete wet spraying machine, which integrates a front frame and a rear frame through a hinge part, so that the front frame and the rear frame of the concrete wet spraying machine can be independently steered, the device can be bent to advance under the condition of poor working conditions, and the flexibility of the device is greatly improved.

Further, another concept of the present disclosure is that the hinge portion includes a rotation shaft for rotation of the front frame and the rear frame, and the rotation shaft is provided with a lubricant oil circulation passage, so that abrasion of parts is reduced, and rotation efficiency of the hinge portion is improved.

Furthermore, another idea of the present disclosure is that a first hole and a second hole communicated with each other are provided inside the rotating shaft for the circulation of the lubricating oil, and a first groove is provided on the outer wall of the rotating shaft to communicate with the second hole, so that the parts in contact with the second groove are lubricated to improve the rotating efficiency.

Still further, another idea of the present disclosure is that the first hole is provided with an internal thread structure for connecting the lubrication supply device, and the thread connection structure is stable and simple.

Furthermore, this disclosure provides an articulated concrete wet blasting machine, and the device mainly used realizes the concrete spray-seeding in the mine tunnel, specifically includes:

the bicycle frame comprises a bicycle frame body, a bicycle frame body and a bicycle frame body, wherein the bicycle frame body comprises a front bicycle frame and a rear bicycle frame;

the power device is used for driving the frame body to run;

the concrete pumping system is used for pressure conveying and spray-seeding concrete;

a lubrication supply for providing lubricant;

the hinge part is used for connecting the front frame and the rear frame into a whole.

The concrete wet blasting machine that uses among the prior art is mostly integrative frame construction, and there is bulky, the long problem of frame in integral type structure, and it is difficult in the less mine tunnel of cross section and engineering tunnel bending advance. And this application utilizes articulated portion to connect preceding frame and back frame for whole frame body structure parts, has reduced the crooked restriction of advancing to the corner greatly, has improved wet blasting machine's convenience of use.

In some embodiments, the hinge comprises:

the rotating shaft is used for connecting the front frame and the rear frame and forming a rotating point;

and the nut is used for matching with the rotating shaft to fix the front frame and the rear frame.

Furthermore, a first hole is formed in the end part of the rotating shaft along the central axis direction, the first hole extends towards the inside of the rotating shaft, and the first hole is connected with a lubricating supply device;

the rotating shaft is provided with a first groove surrounding the side wall;

the rotating shaft is further provided with a second hole, and the second hole is used for communicating the first groove with the first hole.

In the actual use process, the rotating shaft is the connecting rotating shaft of the front frame and the rear frame, and the friction between the parts is large, so that the rotating efficiency of the hinged part can be influenced. This application is through setting up the first hole of the lubricated feeding device of intercommunication in the pivot, encircle the first recess of lateral wall, connect the second hole of first hole and first recess, lubricating grease pours into the first downthehole through lubricated feeding device, lubricating grease flows into the second hole through first hole, and flow into first recess from the second hole, realize lubricating between the spare part that for first recess contacts, and then overcome its wearing and tearing each other, prevent that the pivot point clearance that the pivot formed is too big, avoid appearing the corner error, the rotation efficiency of articulated portion is improved.

In some embodiments, the open end of the first bore is provided with an internal thread for connection to a lubrication supply.

The threaded connection structure is simple and stable, convenient to install and disassemble and not easy to fall off.

In some embodiments, the rear end surface of the front frame is provided with a first connecting piece, the front end surface of the rear frame is provided with a second connecting piece, the first connecting piece and the second connecting piece are provided with corresponding hinge holes, and the hinge holes are used for installing rotating shafts;

the hinge holes of the first connecting piece and the second connecting piece are distributed in a staggered mode in the direction of the central axis of the rotating shaft and are parallel to each other.

Furthermore, the first connecting piece is a double-lug seat, the second connecting piece is a single-lug seat, and the single-lug seat is arranged in the double-lug seat.

According to the technical scheme, the rotating shaft is arranged in the hinge hole of the first connecting piece and the hinge hole of the second connecting piece, the front frame and the rear frame are connected into a whole, and fastening is realized through the nut. The application provides a connecting piece stable in structure, effectual.

In some embodiments, the articulation section further comprises a steering actuator for effecting steering of the front frame;

and two ends of the steering actuating mechanism are respectively hinged with the front frame and the rear frame.

Furthermore, the steering actuating mechanism is a hydraulic oil cylinder or an electric push rod.

Furthermore, the steering executing mechanism is a hydraulic oil cylinder, the cylinder body end of the hydraulic oil cylinder is hinged with the front frame through a pin shaft, and the piston rod end of the hydraulic oil cylinder is hinged with the rear frame through a pin shaft.

Under the not good condition of operating mode, the concrete wet blasting machine need advance through turning to the bending, and frame articulated structure around this application adopts, only need through the frame before the frame turn to drive the back frame can. The articulated part is provided with a steering actuating mechanism which is articulated with the front frame and the rear frame, the steering actuating mechanism realizes the steering of the front frame and drives the rear frame, in addition, the steering actuating mechanism in the application preferably selects a hydraulic oil cylinder, and the rotation of the frame body in the articulated part is realized through the extension and retraction of the hydraulic oil cylinder.

In some embodiments, the concrete wet spraying machine further comprises an electric control device for controlling the state of the circuit.

Furthermore, a linear displacement sensor is arranged in the hydraulic oil cylinder, and the linear displacement sensor realizes closed-loop control through an electric control device.

According to the technical scheme, the extending stroke of the hydraulic oil cylinder is measured through the linear displacement sensor, so that the angle of the integral swing of the frame body is determined.

In some embodiments, the rear end face of the front frame and the front end face of the rear frame are provided with aligned square holes for the wire to pass through between the front frame and the rear frame.

This technical scheme sets up the structure that frame and back frame hinged joint connect before, is provided with the part of a plurality of different functions on the wet blasting machine device, and these part interconnect especially rely on the wire, and the wire setting not only need pass a plurality of parts in wet blasting machine inside, all has very big problem to installation, investigation, maintenance moreover. This application is used for the wiring through set up the square hole of making an alignment on preceding frame and back frame, has brought the facility for later stage maintenance investigation.

In some embodiments, the concrete pumping system comprises a pumping device, an arm body telescopic device, a quick setting medium conveying device and a compressed gas device;

the concrete wet spraying machine also comprises a waterway device, a hydraulic control device, a cable drum, a cab, an electric control device and a lighting lamp;

the hydraulic control device is respectively connected with the power device, the arm body telescopic device, the cable drum, the pumping device and the lubricating supply device;

the electric control device is respectively connected with the hydraulic control device, the compressed gas device and the illuminating lamp;

the rapid hardening medium conveying device is controlled by a hydraulic control device or an electric control device.

The application discloses an articulated concrete wet spraying machine, which realizes the connection of a front frame and a rear frame by arranging an articulated part, so that the whole frame body structure is separated, and the limitation of bending travel to a corner is greatly reduced; the rotating shaft is provided with a channel for the circulation of lubricating oil to lubricate parts, so that the rotating efficiency is improved; the steering actuating mechanism is arranged to realize the steering of the front frame and drive the rear frame; the square holes aligned through arrangement are used for wiring, and convenience is brought to later-stage overhauling and troubleshooting. The device that this application provided has and removes advantage such as nimble, the flexible marching in the less mine tunnel of cross section and engineering tunnel, rotate effectual, convenient to use.

Drawings

The present disclosure will be described in further detail below with reference to the drawings and preferred embodiments, but those skilled in the art will appreciate that the drawings are only drawn for the purpose of illustrating the preferred embodiments and therefore should not be taken as limiting the scope of the present disclosure. Furthermore, unless specifically stated otherwise, the drawings are merely schematic representations based on conceptual representations of elements or structures depicted and may contain exaggerated displays and are not necessarily drawn to scale.

FIG. 1: the invention discloses a front view of an articulated concrete wet spraying machine;

FIG. 2: FIG. 1 of the present disclosure shows a partial enlarged view of area A;

FIG. 3: a front view of a hinge shaft of the present disclosure;

FIG. 4: the right side view of fig. 3 of the present disclosure;

FIG. 5: FIG. 4 of the present disclosure is a cross-sectional view taken along line B-B;

wherein, 1, the bicycle frame body; 2. a power plant; 3. a pumping device; 4. an arm body extension device; 5. a rapid hardening medium conveying device; 6. a compressed gas device; 7. a waterway device; 8. a lubrication supply device; 9. a hydraulic control device; 10. an electric control device; 11. a cab; 12. an illuminating lamp; 13. a hinge portion; 14. a cable drum; 101. a front frame; 102. a rear frame; 103. a square hole; 104. a hinge hole; 105. a first connecting member; 106. a second connecting member; 1301. a rotating shaft; 1302. a nut; 1303. a steering actuator; 1304. a pin shaft; 13011. a second hole; 13012. a first hole; 13013. an internal thread; 13014. a first groove.

Detailed Description

The present disclosure is described in detail below with reference to fig. 1 to 5.

In order to make the objects, technical solutions and advantages of the present disclosure more clearly understood, the present disclosure is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the disclosure and are not intended to limit the disclosure.

Fig. 1 is a specific embodiment of the present disclosure, specifically as follows:

this embodiment specifically provides an articulated formula concrete wet blasting machine, and the device mainly used realizes the concrete spray-seeding in the mine tunnel, specifically includes:

the bicycle frame comprises a bicycle frame body 1, wherein the bicycle frame body 1 comprises a front bicycle frame 101 and a rear bicycle frame 102;

the power device 2 is used for driving the frame body 1 to run;

a lubrication supply device 8, the lubrication supply device 8 being used for supplying lubricant;

and a hinge portion 13, wherein the hinge portion 13 is used for integrally connecting the front frame 101 and the rear frame 102.

The concrete wet blasting machine that uses among the prior art is mostly integrative frame construction, and there is bulky, the long problem of frame in integral type structure, and it is difficult in the less mine tunnel of cross section and engineering tunnel bending advance. In the application, the front frame 101 and the rear frame 102 are connected by the hinge parts 13, so that the whole frame body 1 is structurally separated, the limitation of bending travel on a corner is greatly reduced, and the use convenience of the wet spraying machine is improved.

Furthermore, the present disclosure may also provide another embodiment, as shown in fig. 2 to 5, specifically as follows:

the idea of this embodiment is mainly to lubricate the parts by providing a passage through which the lubricating oil flows on the rotation shaft 1301, thereby improving the rotation efficiency.

This embodiment specifically provides an articulated formula concrete wet blasting machine, and the device mainly used realizes the concrete spray-seeding in the mine tunnel, specifically includes: the device comprises a frame body 1, a power device 2, a concrete pumping system, a lubricating supply device 8 and a hinge part 13;

the hinge portion 13 includes:

the rotating shaft 1301 is used for connecting the front frame 101 and the rear frame 102 and forming a rotating point;

and the nut 1302 is used for matching with the rotating shaft 1301 to fix the front frame 101 and the rear frame 102.

A first hole 13012 is arranged at the end part of the rotating shaft 1301 along the central axis direction, the first hole 13012 extends towards the inside of the rotating shaft 1301, and the first hole 13012 is connected with a lubrication supply device 8;

the rotating shaft 1301 is provided with a first groove 13014 surrounding the side wall;

the rotating shaft 1301 is further provided with a second hole 13011, and the second hole 13011 is used for communicating the first groove 13014 with the first hole 13012.

An internal thread 13013 is arranged at the open end of the first hole 13012, and the internal thread 13013 is used for connecting a lubrication supply device 8.

In actual use, the rotating shaft 1301 is a connecting rotating shaft of the front frame 101 and the rear frame 102, and friction between the components is large, which affects the rotating efficiency of the hinge portion 13. According to the lubricating device, the first hole 13012 communicated with the lubricating supply device 8, the first groove 13014 surrounding the side wall and the second hole 13011 connecting the first hole 13012 and the first groove 13014 are arranged in the rotating shaft 1301, lubricating grease is injected into the first hole 13012 through the lubricating supply device 8, the lubricating grease flows into the second hole 13011 through the first hole 13012 and flows into the first groove 13014 from the second hole 13011, lubrication is realized between parts contacted by the first groove 13014, mutual abrasion is overcome, too large gap of a rotating point formed by the rotating shaft 1301 is prevented, a corner error is avoided, and the rotating efficiency of the hinge portion 13 is improved.

A first connecting piece 105 is arranged on the rear end face of the front frame 101, a second connecting piece 106 is arranged on the front end face of the rear frame 102, the first connecting piece 105 and the second connecting piece 106 are provided with corresponding hinge holes 104, and the hinge holes 104 are used for installing the rotating shaft 1301;

the hinge holes 104 of the first connecting piece 105 and the second connecting piece 106 are distributed in a staggered manner in the central axis direction of the rotating shaft 1301 and are parallel to each other.

The first connecting piece 105 is a double-lug seat, the second connecting piece 106 is a single-lug seat, and the single-lug seat is arranged in the double-lug seat.

According to the technical scheme, the rotating shaft 1301 is installed in the hinge holes 104 of the first connecting piece 105 and the second connecting piece 106, so that the front frame 101 and the rear frame 102 are connected into a whole, and the fastening is realized through the nut 1302. The application provides a connecting piece stable in structure, effectual.

Furthermore, the present disclosure may also provide another embodiment, which is as follows:

the concept of this embodiment is mainly that the steering of the front frame 101 and the driving of the rear frame 102 are realized by providing the steering actuator 1303.

the hinge part 13 further comprises a steering executing mechanism 1303, and the steering executing mechanism 1303 is used for realizing steering of the front frame 101; the two ends of the steering executing mechanism 1303 are hinged with the front frame 101 and the rear frame 102 respectively.

The steering actuating mechanism 1303 is a hydraulic oil cylinder or an electric push rod;

further, the steering actuator 1303 is a hydraulic cylinder, a cylinder end of the hydraulic cylinder is hinged to the front frame 101 through a pin 1304, and a piston rod end of the hydraulic cylinder is hinged to the rear frame 102 through the pin 1304.

Under the not good condition of operating mode, the concrete wet blasting machine need advance through turning to the bending, frame 102 articulated structure around this application adopts, only need through preceding frame 101 turn to drive after frame 102 can. The hinge part 13 is provided with a steering actuating mechanism 1303 which is hinged with the front frame 101 and the rear frame 102, the steering actuating mechanism 1303 realizes the steering of the front frame 101 and drives the rear frame 102, and the steering actuating mechanism 1303 is preferably a hydraulic oil cylinder in the application, and the rotation of the frame body 1 on the hinge part 13 is realized through the extension and retraction of the hydraulic oil cylinder.

The concrete wet spraying machine further comprises an electric control device 10, and the electric control device 10 is used for controlling the circuit state; a linear displacement sensor is arranged in the hydraulic oil cylinder and achieves closed-loop control through an electric control device 10.

According to the technical scheme, the extending stroke of the hydraulic oil cylinder is measured through the linear displacement sensor, so that the angle of the integral swing amplitude of the frame body 1 is determined.

the idea of this embodiment is mainly that by providing the aligned square holes 103 for wiring, convenience is brought to the later-stage inspection and troubleshooting.

the rear end face of the front frame 101 and the front end face of the rear frame 102 are provided with square holes 103 which are aligned, and the square holes 103 are used for the wire to pass through between the front frame 102 and the rear frame 102.

This technical scheme sets up the structure that preceding frame 101 and rear frame 102 articulated are connected, is provided with the part of a plurality of different functions on the wet blasting machine device, and these parts interconnect especially rely on the wire, and the wire setting not only need pass a plurality of parts inside the wet blasting machine, all has very big problem to installation, investigation, maintenance moreover. This application is used for the wiring through set up the square hole 103 that aligns on preceding frame 101 and back frame 102, has brought the facility for later stage maintenance investigation.

the concrete pumping system comprises a pumping device 3, an arm body expansion device 4, a rapid hardening medium conveying device 5 and a compressed gas device 6;

the concrete wet spraying machine also comprises a waterway device 7, a hydraulic control device 9, a cable drum 14, a cab 11, an electric control device 10 and an illuminating lamp 12;

the hydraulic control device 9 is respectively connected with the power device 2, the arm body expansion device 4, the cable drum 14, the pumping device 3 and the lubricating supply device 8;

the electric control device 10 is respectively connected with the hydraulic control device 9, the compressed gas device 6 and the illuminating lamp 12;

the rapid hardening medium conveying device 5 is controlled by a hydraulic control device 9 or an electric control device 10.

The application discloses an articulated concrete wet spraying machine, which realizes the connection of a front frame 101 and a rear frame 102 by arranging an articulated part 13, so that the structure of the whole frame body 1 is separated, and the limitation of bending advancing to a corner is greatly reduced; the rotating shaft 1301 is provided with a channel for lubricating oil to circulate to lubricate parts, so that the rotating efficiency is improved; the front frame 101 is steered and the rear frame 102 is driven by arranging a steering actuating mechanism 1303; the square holes 103 aligned through arrangement are used for wiring, and convenience is brought to later-stage overhaul and investigation. The device that this application provided has and removes the flexibility, can bend in the less mine tunnel of cross section and engineering tunnel and march, rotate effectual, advantages such as convenient to use.

The present disclosure has been described in detail above, and the principles and embodiments of the present disclosure have been explained herein using specific examples, which are provided only to assist understanding of the present disclosure and the core concepts. It should be noted that, for those skilled in the art, it is possible to make several improvements and modifications to the present disclosure without departing from the principle of the present disclosure, and such improvements and modifications also fall within the scope of the claims of the present disclosure.

Claims

1. The utility model provides an articulated formula concrete wet blasting machine which characterized in that, including:

the power device is used for driving the frame body to run;

a lubrication supply for providing lubricant;

the articulated part is used for connecting the front frame and the rear frame into a whole;

wherein the hinge comprises:

the nut is used for being matched with the rotating shaft to fix the front frame and the rear frame;

the end part of the rotating shaft is provided with a first hole along the direction of the central axis, the first hole extends towards the inside of the rotating shaft, and the first hole is connected with a lubricating supply device;

the rotating shaft is provided with a first groove surrounding the side wall;

the rotating shaft is also provided with a second hole which is used for communicating the first groove with the first hole;

the opening end of the first hole is provided with internal threads, and the internal threads are used for connecting a lubricating supply device.

2. The articulated concrete wet blasting machine of claim 1, wherein the rear end face of the front frame is provided with a first connecting member, and the front end face of the rear frame is provided with a second connecting member;

the first connecting piece and the second connecting piece are provided with corresponding hinge holes, and the hinge holes are used for installing the rotating shaft.

3. The articulated concrete wet blasting machine of claim 2, wherein the hinge holes of the first and second connecting members are staggered in the direction of the central axis of the rotating shaft and are parallel to each other.

4. The articulated concrete wet blaster of claim 2 wherein said first attachment member is a binaural mount and said second attachment member is a monaural mount, said monaural mount being disposed within the binaural mount.

5. The articulated concrete wet shotcreting machine of claim 1, wherein the articulated portion further comprises a steering actuator for effecting steering of the front frame;

6. The articulated concrete wet blasting machine according to claim 5, wherein the steering actuator is a hydraulic cylinder, the cylinder end of the hydraulic cylinder is articulated with the front frame by a pin shaft, and the piston rod end of the hydraulic cylinder is articulated with the rear frame by a pin shaft.

7. The articulated concrete wet blaster of claim 6 further comprising an electrical control for controlling the status of the electrical circuit.

8. The articulated concrete wet blasting machine according to claim 7, wherein a linear displacement sensor is arranged inside the hydraulic oil cylinder, and the linear displacement sensor realizes closed-loop control through an electric control device.

9. The articulated concrete wet shotcrete machine of claim 1, wherein the rear end face of the front frame and the front end face of the rear frame are provided with aligned square holes for the wire to pass through between the front and rear frames.

10. The articulated concrete wet shotcreting machine of claim 1, wherein the concrete pumping system comprises a pumping device, an arm body extension device, a rapid hardening medium delivery device and a compressed gas device;