CN116921354A - Cleaning device and cleaning method for inner wall of telescopic arm rod of overhead vehicle - Google Patents

Abstract

The invention relates to the technical field of rust removal of the inner wall of an arm rod, and discloses a cleaning device and a cleaning method for the inner wall of a telescopic arm rod of a high-altitude vehicle. This belt cleaning device passes through the mutual cooperation of small handcart subassembly, cleaning module and high-pressure water spray subassembly, drives cleaning module through the small handcart subassembly and walks in flexible armed lever inside and carries out 360 washings to the telescopic link inner wall through high-pressure water, simple structure, convenient operation has solved the inconvenient abluent problem of flexible armed lever inner wall, has improved the life of flexible armed lever.

Description

Cleaning device and cleaning method for inner wall of telescopic arm rod of overhead vehicle

Technical Field

The invention relates to the technical field of rust removal of the inner wall of an arm lever, in particular to a cleaning device and a cleaning method for the inner wall of a telescopic arm lever of a high-altitude vehicle.

Background

The existing overhead working truck is long-term operated in severe environments such as dust, water mist and the like, mud-like objects mixed by water, grease and dust are not easy to clean in the arm rod, and when the telescopic arm rod moves in a telescopic mode, the telescopic arm rod is worn, and then rust and corrosion are caused in the telescopic arm rod again, and the arm rod is perforated and damaged. The length of each section of telescopic arm rod exceeds more than 8 meters, and the interior of the telescopic arm rod cannot be effectively cleaned and derusted after the disassembly and inspection, so that the technical scheme for effectively cleaning the interior of the telescopic arm rod is particularly important.

Disclosure of Invention

The invention aims to provide a cleaning device and a cleaning method for the inner wall of a telescopic arm rod of an overhead vehicle, which can effectively remove rust and impurities on the inner wall of the telescopic arm rod and prolong the service life of the telescopic arm rod.

In order to achieve the above object, in one aspect, the present invention provides a device for cleaning an inner wall of a telescopic arm of an overhead vehicle, comprising:

the trolley assembly is movable and arranged in the telescopic arm rod, and traction buckles are arranged at the front end and the rear end of the trolley assembly;

the cleaning assembly comprises a gun bending rod which is rotatably arranged on the trolley assembly and a spray head which is communicated with the gun bending rod, and the spray direction of the spray head forms an acute angle with the horizontal plane;

the water inlet end of the high-pressure water spraying assembly is externally connected with a water source, and the water outlet end of the high-pressure water spraying assembly is communicated with one end of the curved gun rod, which is far away from the spray head.

Preferably, the trolley assembly comprises a trolley platform, four roller mechanisms arranged at the bottom of the trolley platform and a movable clamping code arranged at the top of the trolley platform, and the curved gun rod is rotationally connected in the movable clamping code.

Preferably, four roller mechanisms are staggered and arranged at the bottom of the cart platform, and the roller mechanisms comprise:

the roller sleeve is sleeved at the bottom of the trolley platform;

the roller is sleeved in the roller sleeve and can move back and forth relative to the roller sleeve;

the fixing piece is used for fixing the relative positions of the roller and the roller sleeve;

the roller is arranged at one end of the roller shaft away from the roller sleeve and can rotate relative to the trolley platform.

Preferably, the high-pressure water spraying assembly comprises a high-pressure spray gun, an overflow pipe, a pressure relief valve, a flow guide pipe and a high-pressure water connecting pipe, wherein the overflow pipe and the pressure relief valve are arranged on the high-pressure spray gun, the flow guide pipe is arranged at the water outlet end of the high-pressure spray gun, the high-pressure water connecting pipe is arranged at the water inlet end of the high-pressure spray gun, one end of the flow guide pipe, which is far away from the high-pressure spray gun, is communicated with one end, which is far away from the spray head, of the curved spray rod, and the high-pressure water connecting pipe is far away from an external water source at one end of the high-pressure spray gun.

Preferably, the high-pressure water spraying assembly further comprises a supporting rod arranged at one end, far away from the guide pipe, of the high-pressure spray gun, a shoulder rest arranged at one end, far away from the high-pressure spray gun, of the supporting rod, and a handle arranged on the guide pipe.

Preferably, the overflow pipe and the guide pipe are fixed together through a fixing clamp.

Preferably, the curved gun rod is connected with the guide pipe through a quick connector.

Preferably, the high-pressure water connecting pipe is an elbow, and the elbow faces downwards.

In another aspect, the invention provides a method for using the telescopic arm rod inner wall cleaning device of the overhead vehicle, which comprises the following steps:

the telescopic arm rod is disassembled and then is horizontally placed;

mounting the cleaning assembly on the cart assembly;

penetrating traction ropes into traction buckles at two ends of the trolley assembly, and penetrating the traction ropes at the front end of the trolley assembly through the telescopic arm rods;

placing the trolley assembly into the telescopic arm rod, connecting the cleaning assembly with the high-pressure water spraying assembly, and adjusting the working pressure;

pull ropes at the front end and the rear end of the trolley assembly are used for pulling the trolley assembly to walk in the telescopic arm rod, and meanwhile, the high-pressure water spraying assembly is rotated to drive the cleaning assembly to clean the inner wall of the telescopic arm rod by 360 degrees.

Preferably, the method further comprises:

cleaning rust removing slag, painting the outer surface of the telescopic arm rod and checking the appearance.

Compared with the prior art, the invention has the beneficial effects that:

through mutual cooperation of dolly subassembly, cleaning module and high-pressure water spray subassembly, drive cleaning module through the dolly subassembly and walk inside the telescopic arm and carry out 360 washings the telescopic link inner wall through high-pressure water, simple structure, convenient operation has solved the inconvenient abluent problem of telescopic arm inner wall, has improved telescopic arm's life.

Additional features and advantages of the invention will be set forth in the detailed description which follows.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate the invention and together with the description serve to explain, without limitation, the invention. In the drawings:

FIG. 1 is a schematic view showing a structure of a telescopic arm inner wall cleaning apparatus for an overhead vehicle according to an embodiment of the present invention;

FIG. 2 shows a schematic diagram of a cart assembly according to an embodiment of the invention;

FIG. 3 shows a top view of FIG. 2 in accordance with an embodiment of the present invention;

FIG. 4 is a schematic view of a roller mechanism according to an embodiment of the present invention;

FIG. 5 illustrates a telescopic arm placement schematic of an embodiment of the present invention;

FIG. 6 shows a schematic rotational view of a cleaning assembly according to an embodiment of the present invention.

Detailed Description

The following describes specific embodiments of the present invention in detail with reference to the drawings. It should be understood that the detailed description and specific examples, while indicating and illustrating the invention, are not intended to limit the invention.

Example 1

Referring to fig. 1, the invention provides a device for cleaning the inner wall of a telescopic arm of a high-altitude vehicle, which comprises a trolley component 1, a cleaning component 2 and a high-pressure water spraying component 3.

Please refer to fig. 2, the cart assembly 1 is movable and inside the telescopic arm, the front end and the rear end of the cart assembly 1 are both provided with traction buckles 101, two traction buckles 101 can pass through a traction rope, the length of the traction rope is determined according to the length of the telescopic arm, the traction rope can be a 3mm thick steel wire rope, the cart assembly 1 is fixedly pulled by the steel wire rope, the cart body is pulled in front, and the cart body is stabilized in back, so that the cleaning and rust removing process is smoother. The traction buckle 101 is a semicircular buckle formed by bending 304 stainless steel round steel with the diameter of 6mm, the inner diameter of the semicircular buckle is 6mm, and the outer diameter of the semicircular buckle is 12mm. Traction buckles 101 are arranged at two ends of the trolley assembly 1 and can be normally used in the front-back direction.

The trolley assembly 1 comprises a trolley platform 11, four roller mechanisms 12 arranged at the bottom of the trolley platform 11, and a movable clamping code 13 arranged at the top of the trolley platform 11, wherein a gun bending rod 12 is rotatably connected in the movable clamping code 13. Specifically, the mechanism of the movable clamping code 13 is a U-shaped code, the reverse buckle is welded and fixed on the trolley platform 11, the diameter of the inner circle of the U-shaped code is 16mm, the foot width is 16mm, the U-shaped code just can pass through the curved gun rod 21 with the outer diameter of 14mm, and a gap of 1mm is ensured on one side, so that the curved gun rod 21 can freely rotate in the axial direction. Of course, bearings may be provided to prevent the curved lance 21 from moving back and forth.

As shown in fig. 3, four roller mechanisms 12 are alternately arranged at the bottom of the cart platform 11. In this embodiment, the wheelbase of the roller mechanism 12 may be adjusted to accommodate telescopic arm rods of different sizes, and the roller mechanism 12 is staggered to make the wheelbase adjustment range larger and the application range wider. In this embodiment, as shown in fig. 4, the adjustment range of the axial distance is 170-420mm, and the adjustment can be performed according to the internal width B of the telescopic arm lever of different overhead vehicles, wherein the internal width B refers to table 1, but the internal widths of the small arms of the 26-meter four-section arm and the small arms of the 29-meter four-section arm are less than 170mm, the trolley assembly 1 cannot enter the telescopic arm lever of the overhead vehicle, and when in specific operation, the arm lever can be rotated by 90 degrees, and the height plane of the arm lever is used as the walking plane of the trolley assembly 1.

TABLE 1 Width dimension (Width B (mm)) of telescopic arm of aerial working vehicle

The roller mechanism 12 includes a roller housing 121, a roller 122, a fixing member 123, and a roller 124. The roller sleeve 121 is disposed at the bottom of the cart platform 1, the roller 122 is sleeved in the roller sleeve 121 and can move back and forth relative to the roller sleeve 121, the fixing member 123 is used for fixing the relative position of the roller 122 and the roller sleeve 121, and the roller 124 is disposed at one end of the roller 122 away from the roller sleeve 121 and can rotate relative to the cart platform 11. In this embodiment, a plurality of threaded holes are distributed on the roller sleeve 121 along the axial direction, the side surface of the roller 122 is also provided with threaded holes, the fixing member 123 is a screw, and when the width (wheelbase) is adjusted, the threaded holes of the roller 122 are only required to be opposite to different threaded holes on the roller sleeve 121, and then the roller is fixed by the screw.

The cleaning assembly 2 comprises a gun bending rod 21 which is rotatably arranged on the trolley assembly 1 and a spray head 22 which is communicated with the gun bending rod 21, wherein the spray direction of the spray head 22 forms an acute angle with the horizontal plane, and particularly between 105 and 135 degrees, so that the inside of the telescopic arm rod is cleaned by tilting. In this embodiment, the spray head 22 is a self-rotating surface cleaning spray head with a maximum operating pressure of 2800bar and a flow rate in the range of 15-38L/min.

The water inlet end of the high-pressure water spraying component 3 is externally connected with a water source, and the water outlet end of the high-pressure water spraying component is communicated with one end of the curved gun rod 21, which is far away from the spray head 22. Specifically through hose connection, external water source is beaten into high-pressure water spray subassembly 3 through high-pressure cleaning machine. The maximum working pressure of the high-pressure cleaning machine is 2800bar, the maximum flow is 45L/min, the maximum pressure regulating pressure of the manual pressure regulating valve is 3000bar, the pressure and the flow can be manually controlled and regulated, and the high-pressure cleaning machine is simple and convenient. The bursting disk system is arranged at 15% of the rated working pressure, the pressure of the bursting diaphragm is 40000-45000 psi, the potential danger caused by sudden pressure increase can be quickly reduced, and the operation risk is effectively reduced to protect operators. The hose is a high-pressure hose, the inner diameter is 8mm, the working pressure (withstand voltage) is 3200bar, the bursting pressure is 7000bar, the bending radius is 300mm, 8 layers of wound steel wires are arranged in the material, an anti-falling device is arranged between the pipes, all the high-pressure pipes are provided with wear-resistant jackets, the working pressure (0-4000 bar) of the pressure gauge is filled with liquid stainless steel, and a pulse elimination buffer is arranged so as to observe the pressure value.

Specifically, the high-pressure water spraying assembly 3 comprises a high-pressure spray gun 31, an overflow pipe 32 and a pressure relief valve 33 which are arranged on the high-pressure spray gun 31, a flow guide pipe 34 arranged at the water outlet end of the high-pressure spray gun 31, and a high-pressure water connecting pipe 35 arranged at the water inlet end of the high-pressure spray gun 31, wherein one end of the flow guide pipe 34 away from the high-pressure spray gun 31 is communicated with one end of the gun bending rod 21 away from the spray head 22, and one end of the high-pressure water connecting pipe 35 away from the high-pressure spray gun 31 is externally connected with a water source. The working pressure of the high-pressure spray gun 31 was 2800bar, the maximum flow was 45L/min

Preferably, the high-pressure water spraying assembly 3 further comprises a supporting rod 36 arranged at one end of the high-pressure spray gun 31 far away from the flow guide pipe 34, a shoulder rest 37 arranged at one end of the supporting rod 36 far away from the high-pressure spray gun 31, and a handle 38 arranged on the flow guide pipe 34, so that a worker can hold the high-pressure spray gun 31 with one hand and hold the handle 38 with the other hand, and then line the shoulder rest 37 on the shoulder, not only can offset the recoil generated by the high-pressure water, but also is more convenient to operate.

Preferably, the overflow pipe 32 and the guide pipe 34 are fixed together through the fixing clamp 301, so that the overflow pipe 32 and the guide pipe 34 are combined into a whole, the operation is more stable, and in addition, the support rod 36 and the high-pressure water connecting pipe 35 can be fixed by using another fixing clamp. The curved gun rod 21 is connected with the guide pipe 34 through the quick connector 302, and the quick connector 302 is adopted to connect more quickly, so that the installation efficiency is high. The high-pressure water connecting pipe 35 is a bent pipe, the bent pipe faces downwards, the rotation operation is convenient and smooth, and the downward part is connected with the high-pressure cleaning machine through a high-pressure hose, so that high-pressure water is pumped into the high-pressure spray gun 31.

In addition, the trolley platform 11 in the trolley assembly 1 in the embodiment can also be arranged to be adjustable in height, so that telescopic arm bars with different heights can be better adapted.

When the trolley assembly 1 with the haulage ropes penetrating through is put into each telescopic arm rod of the high-altitude trolley, one haulage rope is pulled by one worker at one end of each telescopic arm rod, the other worker holds the handle 38 and the other haulage rope by one hand, the other worker holds the gun handle of the high-pressure spray gun 31 by the other hand, the shoulder support 37 is propped against the shoulder to play a supporting role, when the spray head 22 moves deeply towards the inside of the telescopic arm rod of the high-altitude trolley, the trolley assembly 1 plays a role of fixing the gun bending rod 21 and pushing and pulling at the same time, the trolley assembly 1 can stably move on the plane inside the telescopic arm rod of the high-altitude trolley under the reaction force (about 216 Mpa) of ultrahigh-pressure water sprayed by the spray head 22, the length of the guide pipe 34 can be freely replaced and adjusted according to the length of the telescopic arm rod of the high-altitude trolley, and under the action of the movable clamp 13, the spray head 22 can rotate inside the telescopic arm rod of the high-altitude trolley, so that the inner wall of the telescopic arm rod is cleaned.

Through mutual cooperation of dolly subassembly 1, cleaning module 2 and high-pressure water spray subassembly 3, drive cleaning module 2 through dolly subassembly 1 and walk inside the telescopic boom and carry out 360 washings to the telescopic boom inner wall through high-pressure water, simple structure, convenient operation has solved the inconvenient abluent problem of telescopic boom inner wall, has improved the life of telescopic boom.

Example 2

The embodiment provides a use method of the telescopic arm rod inner wall cleaning device for the overhead vehicle, which comprises the following steps.

S1: the telescopic arm rod is disassembled and then is horizontally placed.

Firstly, the telescopic arm rod is placed in a safety guard area, the telescopic arm rod is disassembled, two square timber piers are prevented in the guard area, the length and the width of each square timber pier are 1m, the height is 1-1.2m, and the telescopic arm rod is placed along the straight line length of the arm rod, as shown in fig. 5. The placing position of the square timber piers is determined according to the total length L (mm) of each telescopic arm rod of the overhead vehicle, the length table is shown in table 2, the gap distance between two ends of the two square timber piers is 0.2L, and then central lines are respectively drawn out on the two ends of the square timber piers and the telescopic arm rods of the overhead vehicle by using a pull rule.

Table 2 length dimension of telescopic arm of overhead working truck

S2: install cleaning module 2 on dolly subassembly 1, all penetrate the haulage rope on the haulage buckle 101 at dolly subassembly 1 both ends to pass flexible armed lever with the haulage rope of dolly subassembly 1 front end, adjust dolly subassembly 1's interaxial distance according to the width of flexible armed lever, put into flexible armed lever with dolly subassembly 1, connect cleaning module 2 and high-pressure water spray subassembly 3, and adjust operating pressure.

Before operation, operators need to be trained by professional knowledge, are familiar with potential hazards (cutting force, recoil force and the like) existing in high-pressure water jet cleaning, and during operation, the operators wear the woven fiber Kevlar to serve as a lining, and the outer layer is covered with durable water pressure resistant plant fibers.

S3: pull ropes at the front end and the rear end of the trolley component 1 pull the trolley component 1 to walk inside the telescopic arm rod, and meanwhile, the high-pressure water spraying component 3 rotates to drive the cleaning component 2 to clean the inner wall of the telescopic arm rod by 360 degrees.

If the length of the extension of the cleaning assembly 2 is long, as shown in fig. 6, the lower half area of the telescopic arm cannot be cleaned during rotation, that is, after the cleaning of the upper half area is finished, the trolley assembly 1 is taken out, and then the telescopic arm is turned 180 degrees, and the cleaning steps are repeated.

S4: after cleaning, cleaning rust removing slag and the outer surface of the telescopic arm rod, painting, appearance inspection, and mounting and using after the telescopic arm rod is inspected to be qualified.

The preferred embodiments of the present invention have been described in detail above with reference to the accompanying drawings, but the present invention is not limited to the specific details of the above embodiments, and various simple modifications can be made to the technical solution of the present invention within the scope of the technical concept of the present invention, and all the simple modifications belong to the protection scope of the present invention. In addition, the specific features described in the above embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various possible combinations are not described further.

Moreover, any combination of the various embodiments of the invention can be made without departing from the spirit of the invention, which should also be considered as disclosed herein.

Claims (10)

1. The utility model provides a telescopic arm pole inner wall belt cleaning device of high altitude car which characterized in that includes:

the trolley assembly is movable and arranged in the telescopic arm rod, and traction buckles are arranged at the front end and the rear end of the trolley assembly;

the cleaning assembly comprises a gun bending rod which is rotatably arranged on the trolley assembly and a spray head which is communicated with the gun bending rod, and the spray direction of the spray head forms an acute angle with the horizontal plane;

the water inlet end of the high-pressure water spraying assembly is externally connected with a water source, and the water outlet end of the high-pressure water spraying assembly is communicated with one end of the curved gun rod, which is far away from the spray head.

2. The overhead cart telescopic arm inner wall cleaning device according to claim 1, wherein the trolley assembly comprises a cart platform, four roller mechanisms arranged at the bottom of the cart platform, and a movable clamping code arranged at the top of the cart platform, and the curved gun rod is rotatably connected in the movable clamping code.

3. The overhead cart telescopic arm inner wall cleaning device according to claim 2, wherein four roller mechanisms are alternately arranged at the bottom of the cart platform, and the roller mechanisms comprise:

the roller sleeve is sleeved at the bottom of the trolley platform;

the roller is sleeved in the roller sleeve and can move back and forth relative to the roller sleeve;

the fixing piece is used for fixing the relative positions of the roller and the roller sleeve;

the roller is arranged at one end of the roller shaft away from the roller sleeve and can rotate relative to the trolley platform.

4. The telescopic arm rod inner wall cleaning device of the high-altitude vehicle according to claim 1, wherein the high-pressure water spraying assembly comprises a high-pressure spray gun, an overflow pipe and a pressure relief valve which are arranged on the high-pressure spray gun, a flow guide pipe arranged at the water outlet end of the high-pressure spray gun and a high-pressure water connecting pipe arranged at the water inlet end of the high-pressure spray gun, one end of the flow guide pipe, which is far away from the high-pressure spray gun, is communicated with one end, which is far away from the spray head, of the curved spray rod, and one end, which is far away from the high-pressure spray gun, is externally connected with a water source.

5. The cleaning device for the inner wall of a telescopic arm of a high-altitude vehicle according to claim 4, wherein the high-pressure water spraying assembly further comprises a support rod arranged at one end of the high-pressure spray gun, which is far away from the guide pipe, a shoulder rest arranged at one end of the support rod, which is far away from the high-pressure spray gun, and a handle arranged on the guide pipe.

6. The cleaning device for the inner wall of a telescopic arm of an overhead vehicle according to claim 4, wherein the overflow pipe and the guide pipe are fixed together through a fixing clamp.

7. The telescopic boom inner wall cleaning device for an overhead vehicle according to claim 4, wherein the curved gun rod is connected with the guide pipe through a quick connector.

8. The cleaning device for the inner wall of a telescopic boom of an overhead vehicle according to claim 4, wherein the high-pressure water connecting pipe is an elbow, and the elbow is downward.

9. A cleaning method of a telescopic arm inner wall cleaning apparatus for an overhead vehicle according to any one of claims 1 to 8, comprising the steps of:

the telescopic arm rod is disassembled and then is horizontally placed;

mounting the cleaning assembly on the cart assembly;

penetrating traction ropes into traction buckles at two ends of the trolley assembly, and penetrating the traction ropes at the front end of the trolley assembly through the telescopic arm rods;

placing the trolley assembly into the telescopic arm rod, connecting the cleaning assembly with the high-pressure water spraying assembly, and adjusting the working pressure;

pull ropes at the front end and the rear end of the trolley assembly are used for pulling the trolley assembly to walk in the telescopic arm rod, and meanwhile, the high-pressure water spraying assembly is rotated to drive the cleaning assembly to clean the inner wall of the telescopic arm rod by 360 degrees.

10. The cleaning method of claim 9, further comprising:

cleaning rust removing slag, painting the outer surface of the telescopic arm rod and checking the appearance.