CN115283381A - Cleaning device for inner wall of bent pipe - Google Patents
Cleaning device for inner wall of bent pipe Download PDFInfo
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- CN115283381A CN115283381A CN202211231635.3A CN202211231635A CN115283381A CN 115283381 A CN115283381 A CN 115283381A CN 202211231635 A CN202211231635 A CN 202211231635A CN 115283381 A CN115283381 A CN 115283381A
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- cleaning
- guide groove
- driving
- connecting rod
- telescopic oil
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/027—Cleaning the internal surfaces; Removal of blockages
- B08B9/04—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes
- B08B9/049—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes having self-contained propelling means for moving the cleaning devices along the pipes, i.e. self-propelled
- B08B9/051—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes having self-contained propelling means for moving the cleaning devices along the pipes, i.e. self-propelled the cleaning devices having internal motors, e.g. turbines for powering cleaning tools
Abstract
The invention belongs to the technical field of smoke and dust pipeline cleaning devices, and particularly relates to a cleaning device for the inner wall of a bent pipe. The cleaning device for the inner wall of the bent pipe comprises a first advancing mechanism, a second advancing mechanism, a cleaning mechanism, an eccentric adjusting mechanism and a driving mechanism. When using, eccentric adjustment mechanism will make clearance mechanism's center post to keeping away from the inboard direction skew of return bend internal surface, make the center post compression be close to the elasticity clearance arm in the return bend internal surface outside, the elasticity clearance arm of the inboard of return bend internal surface is close to in the extension, thereby the extrusion force when compressed elasticity clearance arm cleared up the outside region has been increased, the extrusion force when having reduced by tensile elasticity clearance arm and clearing up the inboard region, thereby the mode compensation through changing the extrusion force is to the regional clearance ability in the outside, make the internal surface of return bend comparatively even by the clearance, the clearance effect has been improved.
Description
Technical Field
The invention belongs to the technical field of smoke and dust pipeline clearing devices, and particularly relates to a device for clearing the inner wall of a bent pipe.
Background
The waste gas that the burning produced usually has the granule of comburent, these granules adsorb the internal surface of pipeline and are difficult to clear up, cause the jam gradually, consequently need adopt cleaning device to clear up the internal surface of pipeline in order to avoid blockking up, a catalytic combustion exhaust treatment device as disclosed in chinese patent CN213915284U, the device can clear up the pipeline inner wall, avoid the granule to adsorb on the pipeline inner wall, during the clearance, the clearance board on the revolving stage rotates in order to clear up the internal surface of pipeline in the circumference, and still advance along the extending direction of the central line of pipeline in the clearance process.
However, in the elbow pipe (i.e., the curved exhaust pipe), the center line is bent as compared with the straight pipe, the plane of the center line of the bend is a symmetrical plane of the elbow pipe, and when the elbow pipe is cut by the symmetrical plane, it can be seen that the inside radius of the inner surface of the elbow pipe is small and the outside radius is large. The cleaning device has the advantages that in the process of advancing in a rotating and turning manner, the stroke of the cleaning plate for rotationally cleaning the inner side of the inner surface of the bent pipe is small, the stroke of the cleaning plate for rotationally cleaning the outer side of the inner surface of the bent pipe is large, the rotating speed of the cleaning plate is unchanged under the condition that the rotating speed of the rotary table is unchanged, compared with the area of the outer side of the inner surface of the bent pipe, the number of times of sweeping by the cleaning plate on the area unit area of the inner side of the inner surface of the bent pipe is large, namely, the number of times of repeated cleaning is large, the cleaning is clean, the cleaning capacity is remained, correspondingly, the number of times of sweeping by the cleaning plate on the area unit area of the outer side of the inner surface of the bent pipe is small, the bent pipe is not easy to be swept completely, namely, the cleaning capacity is insufficient, and the problems of uneven cleaning of the inner surface of the bent pipe and poor cleaning effect can be caused.
Disclosure of Invention
Based on this, it is necessary to provide a cleaning device for the inner wall of the elbow to solve the problems of uneven cleaning and poor cleaning effect of the cleaning device for the inner wall of the elbow in the prior art on the inner surface of the elbow of the gas discharge pipeline.
The above purpose is realized by the following technical scheme:
an apparatus for cleaning an inner wall of an elbow, comprising:
a first travel mechanism;
the front end of the cleaning mechanism is hinged with the first traveling mechanism through a spherical hinge or a universal joint, the cleaning mechanism comprises a rotary table and an elastic cleaning assembly arranged in the rotary table, the elastic cleaning assembly comprises a central column and two elastic cleaning arms, and the two elastic cleaning arms are slidably arranged on the outer peripheral surface of the central column and are positioned on the same straight line;
the eccentric adjusting mechanism is used for driving the central column to deflect towards the direction far away from the inner side of the inner surface of the bent pipe, so that the central column compresses the elastic cleaning arm close to the outer side of the inner surface of the bent pipe and stretches the elastic cleaning arm close to the inner side of the inner surface of the bent pipe;
the driving mechanism is used for driving the rotary table to enable the rotary table to drive the elastic cleaning arm to rotate around the central column;
and the second advancing mechanism is fixedly connected with the rear end of the cleaning mechanism through a spherical hinge or a universal joint.
Furthermore, the eccentric adjusting mechanism comprises a guide groove plate, a connecting frame and an oil supply assembly, one end of the connecting frame is fixedly connected with the central column, a guide groove for inserting the other end of the connecting frame is formed in the guide groove plate, and the oil supply assembly is used for supplying hydraulic oil to the guide groove to push the connecting frame to slide in the guide groove.
Further, the fuel feeding unit includes the head rod, the second connecting rod, swing rectangular and flexible oil pole, the upper end of head rod is rotated and is connected on the rectangular lower terminal surface of swing, the lower extreme of second connecting rod is articulated through the ball pivot with the rectangular up end of swing, the lower terminal surface of guide way board and the upper end fixed connection of second connecting rod, the rectangular rotation of swing can drive the guide way board and rotate, the flexible oil pole of second connecting rod can compress when the swing around the head rod, supply hydraulic oil in the guide way through oil pipe after the flexible oil pole compression.
Furthermore, the number of the telescopic oil rods is two, the two ends of the telescopic oil rods, which are sleeved with the return springs, are fixedly connected with the telescopic oil rods, the lower ends of the telescopic oil rods are symmetrically hinged to the two sides of the swinging strip through spherical hinges, and the upper ends of the telescopic oil rods are hinged to the second connecting rod through the spherical hinges.
Furthermore, one end of the connecting frame, which is inserted into the guide groove, is provided with two driving arms, two independent hydraulic chambers are separated from the guide groove, the two driving arms are respectively and correspondingly inserted into the two hydraulic chambers to be driven by hydraulic oil, and the eccentric adjusting mechanism further comprises a direction adjusting assembly, wherein the direction adjusting assembly is used for sealing one of the two hydraulic chambers so that the hydraulic oil enters the other hydraulic chamber.
Further, the direction adjustment subassembly includes shutoff board and band pulley subassembly, and the band pulley subassembly is including rotating the wheel and around establishing the drive belt on rotating the wheel, and the both ends of drive belt are fixed to be set up in the rectangular arbitrary one side that articulates there is flexible oil rod of swing, and the axis of rotation that rotates the wheel stretches into the guide way, and the shutoff board is fixed in the axis of rotation for shutoff hydraulic pressure chamber under the drive of axis of rotation.
Furthermore, the elastic cleaning arm comprises a connecting rod, a cleaning spring and a cleaning plate, one end of the connecting rod is connected with the outer peripheral surface of the center column in a sliding mode, the other end of the connecting rod is connected with the cleaning spring, the other end of the cleaning spring is fixedly connected with the cleaning plate, two containing holes which are symmetrically arranged around the center column are formed in the rotary table, and the elastic cleaning arm penetrates through the containing holes in a one-to-one mode respectively and enables the cleaning plate to stretch out of the outer side of the rotary table.
Further, actuating mechanism includes driven ring gear, driving gear and rotating electrical machines, and driven ring gear cover is established on the revolving stage, and driven ring gear and driving gear meshing, driving gear are by the rotating electrical machines drive.
Further, the first traveling mechanism and the second traveling mechanism respectively comprise a supporting seat and a traveling wheel mechanism arranged on the supporting seat.
Furthermore, the travelling wheel mechanism comprises a swinging arm, a travelling wheel, a travelling motor and a reducing pressure spring, the swinging arm is hinged to the supporting seat, one end of the reducing pressure spring is fixedly connected with the swinging arm, the other end of the reducing pressure spring is fixedly connected with the supporting seat, and the travelling motor is used for driving the travelling wheel.
The invention has the beneficial effects that: when the cleaning device for the inner wall of the bent pipe is used, the first travelling mechanism firstly enters the bent pipe part and then drives the cleaning mechanism to enter the bent pipe part, the cleaning mechanism swings relative to the second travelling mechanism, the eccentric adjusting mechanism enables the central column of the cleaning mechanism to deviate towards the direction far away from the inner side of the inner surface of the bent pipe, the central column compresses the elastic cleaning arm close to the outer side of the inner surface of the bent pipe and stretches the elastic cleaning arm close to the inner side of the inner surface of the bent pipe, so that the extrusion force of the compressed elastic cleaning arm in cleaning the outer side area is increased, the extrusion force of the stretched elastic cleaning arm in cleaning the inner side area is reduced, the cleaning capability of the cleaning mechanism in cleaning the outer side area of the inner surface of the bent pipe is improved, the cleaning capability of the cleaning mechanism in cleaning the outer side area of the inner surface of the bent pipe is reduced, the cleaning capability of the outer side area is compensated by changing the extrusion force, the defects that the cleaning capability of the cleaning mechanism in cleaning the inner side is excessive and the outer side in cleaning are overcome, and the defects that the cleaning capability of the bent pipe is relatively uniform under the condition that the rotating speed of the rotating table is not changed.
Drawings
FIG. 1 is a schematic view showing the structure of an apparatus for cleaning the inner wall of an elbow pipe according to an embodiment 1 of the present invention;
FIG. 2 is a schematic view of the structure of a cleaning mechanism of the cleaning device for the inner wall of the elbow pipe of FIG. 1;
FIG. 3 is a schematic view of the cleaning mechanism and the driving mechanism of the cleaning apparatus for the inner wall of the elbow of FIG. 1;
FIG. 4 isbase:Sub>A sectional view taken along line A-A of FIG. 3;
FIG. 5 is a schematic view of the intermediate linkage and drive mechanism of FIG. 3;
FIG. 6 is a top view of the structure of FIG. 5;
FIG. 7 is a sectional view taken along line B-B of FIG. 6;
FIG. 8 is a top view of the structure of FIG. 2;
FIG. 9 is a cross-sectional view taken along line C-C of FIG. 8;
FIG. 10 is an exploded view of the elbow inner wall cleaning apparatus of FIG. 1;
FIG. 11 is a schematic view of a first travel mechanism of the apparatus for cleaning the inner wall of the elbow of FIG. 1;
FIG. 12 is a schematic view of an eccentric adjustment mechanism of the elbow inner wall cleaning apparatus of FIG. 1;
FIG. 13 is a schematic view showing the construction of the guide channel plate of FIG. 12;
FIG. 14 is a sectional view taken along line D-D of FIG. 13;
wherein:
100. a first travel mechanism; 110. a supporting seat; 120. a traveling wheel mechanism; 122. a traveling motor; 124. a rotating shaft; 126. a swing arm; 128. a roller; 130. a reducing pressure spring; 200. a cleaning mechanism; 201. a turntable; 202. a universal joint; 210. an intermediate connection mechanism; 212. a support table; 214. a spherical hinge base; 220. an elastic cleaning assembly; 222. a central column; 224. a connecting rod; 225. a clamping block; 226. cleaning the spring; 228. cleaning the plate; 300. an eccentric adjustment mechanism; 310. a guide groove plate; 311. a guide pin; 312. a hydraulic chamber; 314. resetting the pressure spring; 316. a partition plate; 318. a liquid inlet cavity; 319. a rotating shaft; 320. a connecting frame; 330. a direction adjustment assembly; 332. a plugging plate; 333. a rotating wheel; 334. a transmission belt; 340. An oil supply assembly; 341. a first connecting rod; 342. a horizontal pole segment; 343. a second connecting rod; 344. swinging the strip; 345. a telescopic oil rod; 346. a hydraulic cylinder; 347. an oil pipe; 348. a return spring; 400. a drive mechanism; 410. a rotating electric machine; 420. a driving gear; 430. a driven gear ring; 500. a second travel mechanism.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail by the following embodiments in conjunction with the accompanying drawings. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The numbering of the components themselves, such as "first", "second", etc., is used herein only to distinguish between the objects depicted and not to have any sequential or technical meaning. The term "connected" and "coupled" when used in this application, unless otherwise indicated, includes both direct and indirect connections (couplings). In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like are used in the orientations and positional relationships indicated in the drawings, which are based on the orientations and positional relationships indicated in the drawings, and are used for convenience of description and simplicity of description, but do not indicate or imply that the devices or elements referred to must have specific orientations, be constructed and operated in specific orientations, and thus, should not be construed as limiting the present invention.
In the present invention, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the second feature or the first and second features may be indirectly contacting each other through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
The following describes the cleaning device for the inner wall of the elbow pipe according to the present invention with reference to the drawings and the detailed description.
The invention starts from changing the angle of the extrusion force of the cleaning mechanism to the inner side area and the outer side area during cleaning, improves the extrusion force of the cleaning mechanism to the outer side area during cleaning, reduces the extrusion force of the cleaning mechanism to the inner side area during cleaning, compensates the cleaning capability to the outer side area by changing the extrusion force, and balances the defects that the cleaning capability of the cleaning mechanism is excessive during cleaning the inner side and insufficient during cleaning the outer side.
Embodiment 1 of the apparatus for cleaning the inner wall of the bent pipe of the present invention:
as shown in fig. 1, 10 and 12, the cleaning apparatus for the inner wall of the elbow according to the present embodiment includes a first traveling mechanism 100, a cleaning mechanism 200, an eccentric adjustment mechanism 300, a driving mechanism 400 and a second traveling mechanism 500.
As shown in fig. 1 and 11, each of the first travel mechanism 100 and the second travel mechanism 500 includes a support base 110 and a travel mechanism 120 disposed on the support base 110, the travel mechanism 120 includes a travel motor 122, a rotating shaft 124, a swing arm 126 and a roller 128, the travel motor 122 is fixed on the support base 110, the rotating shaft 124 is disposed on the support base 110, the rotating shaft 124 is rotatably mounted on the rotating shaft 124, a travel gear and a travel pulley are fixedly connected on the rotating shaft 124, the travel gear is engaged with a motor gear mounted on the travel motor 122, one end of the swing arm 126 is rotatably connected with the rotating shaft 124, the other end of the swing arm 126 is rotatably connected with a wheel shaft, the roller 128 is fixed on the wheel shaft, the wheel shaft and the rotating shaft 124 are driven by a belt, a pressure reducing spring 130 is fixedly connected between the swing arm 126 and the support base 110, and the pressure reducing spring 130 is used for automatically adjusting a distance between the roller 128 and the support base 110, so as to adapt to pipelines with different diameters. Three travelling wheel mechanisms 120 are arranged in each of the first travelling mechanism 100 and the second travelling mechanism 500, and the three travelling wheel mechanisms 120 are uniformly arranged around the circumferential direction of the supporting seat 110.
As shown in fig. 1, 2, 3 and 5, the cleaning mechanism 200 includes an intermediate connection mechanism 210, a turntable 201 and an elastic cleaning assembly 220 disposed in the turntable 201, a lower end surface of the support base 110 of the first traveling mechanism 100 is hinged to an upper end surface of the turntable 201 through a universal joint 202, the intermediate connection mechanism 210 includes a support base 212 and a spherical hinge base 214, the driving mechanism 400 includes a rotating motor 410, a driving gear 420 and a driven gear ring 430, the support base 212 is hinged to the support base 110 of the second traveling mechanism 500 through the spherical hinge base 214, the rotating motor 410 is mounted on an upper surface of the support base 212, the driving gear 420 is mounted on a motor shaft of the rotating motor 410, the turntable 201 and the support base 212 are rotatably connected, the driven gear ring 430 is sleeved on an outer peripheral surface of the turntable 201, the driving gear 420 is engaged with the driven gear ring 430, and when the rotating motor 410 rotates, the driven gear ring can drive the turntable 201 to rotate.
As shown in fig. 3 and 4, the elastic cleaning assembly 220 includes a central column 222 and two elastic cleaning arms, each elastic cleaning arm includes a connecting rod 224, a cleaning spring 226 and a cleaning plate 228, the central column 222 is provided with a circular groove, one end of the connecting rod 224 is clamped in the circular groove and can slide circumferentially in the circular groove, one end of the cleaning spring 226 is fixed with a clamping block 225, the other end of the connecting rod 224 is hinged with the clamping block 225, the other end of the cleaning spring 226 is fixedly connected with the cleaning plate 228, the turntable 201 is provided with two receiving holes symmetrically arranged around the central column 222, the first elastic cleaning arm and the second elastic cleaning arm respectively penetrate through the receiving holes one by one so that the cleaning plate 228 extends to the outer side of the turntable 201, when the elastic cleaning assembly 220 is located inside the pipeline, the cleaning spring 226 is in a compressed state, the cleaning plate 228 is in pressing contact with the inner wall of the pipeline, and the turntable 201 can drive the cleaning plate 228 to rotate when the turntable 201 rotates, so that the cleaning plate 228 can clean the inner wall of the elbow.
As shown in fig. 8, 9, 10 and 12, the eccentricity adjustment mechanism 300 includes a guide groove plate 310, a connection frame 320, a direction adjustment assembly 330 and an oil supply assembly 340, wherein the connection frame 320 includes a fixed section and two driving arms, the fixed section is in an inverted T shape, a vertical portion of the fixed section is fixedly connected with the central column 222, and the two driving arms are fixed at two ends of a horizontal portion of the connection section.
As shown in fig. 6, 7, 8, 13 and 14, guide pins 311 are provided on outer side surfaces of both ends of the guide groove plate 310, a guide groove for sliding the guide pins 311 is provided on an inner wall surface of the turntable 201, and a wall surface of the guide sliding groove is in up-and-down stop engagement with the guide pins 311 to limit the guide groove plate 310 such that the guide groove plate 310 can rotate in the circumferential direction of the turntable 201. The guide groove plate 310 is internally provided with a guide groove for guiding the connecting frame 320 to slide, the guide groove is internally divided into a guide cavity and two hydraulic chambers 312, the driving arms are provided with horizontally extending guide strips, the guide strips are guided and arranged in the guide cavity, the two driving arms are respectively inserted into the two hydraulic chambers 312 in a one-to-one correspondence manner, the end parts of the driving arms are connected with reset pressure springs 314, and the other ends of the reset pressure springs 314 are fixedly connected with the inner walls of the hydraulic chambers 312. The two hydraulic chambers 312 are separated by a partition plate 316 and have adjacent openings, an inlet chamber 318 is provided below the two openings, and a rotation shaft 319 is rotatably provided at a lower end portion of the partition plate 316.
As shown in fig. 7 and 12, the direction adjustment assembly 330 includes a blocking plate 332 and a pulley assembly, wherein the blocking plate 332 is fixedly disposed on a portion of the rotating shaft 319 located inside the guide groove plate 310, the rotating shaft 319 can rotate to drive the blocking plate 332 to rotate, so as to block the openings of the hydraulic chamber 312, and the blocking plate 332 can only block one opening at a time, so as to enable the other opening to be in an open state. The pulley assembly includes a rotary pulley 333 and a driving belt 334 wound around the rotary pulley 333, and the rotary pulley 333 is fixed to an end of the rotary shaft 319 protruding from the guide groove plate 310.
As shown in fig. 7, 9, 10 and 12, the oil supply assembly 340 includes a first connecting rod 341, a second connecting rod 343, a swinging strip 344 and a telescopic oil rod 345, two ends of the transmission belt 334 are fixedly disposed at one side of the swinging strip 344 where the telescopic oil rod 345 is hinged, a lower end of the first connecting rod 341 is fixed on the support base 110 of the second traveling mechanism 500, a length extending direction of the swinging strip 344 is the same as a length extending direction of the guide slot plate 310, an upper end of the first connecting rod 341 is rotatably connected to a lower end surface of the swinging strip 344, a lower end of the second connecting rod 343 is hinged to an upper end surface of the swinging strip 344 through a ball hinge, and an upper end of the second connecting rod 343 is fixedly connected to a lower end surface of the guide slot plate 310, such that the rotation of the swinging strip 344 can drive the guide slot plate 310 to rotate, and further a symmetry plane of the guide slot in the guiding direction is parallel to a plane of a center line of the bent pipe.
As shown in fig. 12, a telescopic oil rod 345 is hinged to the protruding columns on two opposite side surfaces of the swinging strip 344 through a spherical hinge, a second connecting rod 343 has a horizontal rod section 342, the other end of the telescopic oil rod 345 is hinged to the horizontal rod section 342 through a spherical hinge, a hydraulic oil chamber is arranged inside the telescopic oil rod 345, a hydraulic cylinder 346 communicated with the hydraulic oil chamber is arranged on the outer wall of the telescopic oil rod 345, and the hydraulic cylinder 346 is communicated with the liquid inlet chamber 318 of the guide groove plate 310 through an oil pipe 347. The compression of the telescoping rod 345 enables the hydraulic cylinder 346 to supply hydraulic fluid into the inlet chamber 318. In order to facilitate the resetting of the telescopic oil rod 345, a return spring 348 is sleeved on the telescopic oil rod 345, and two ends of the return spring 348 are fixedly connected with the telescopic oil rod 345.
The use process of the cleaning device for the inner wall of the elbow pipe of the embodiment is as follows:
the cleaning device for the inner wall of the elbow pipe of the embodiment is placed into the pipe to be cleaned, the traveling motor 122 and the rotating motor 410 are started, the rollers 128 on the first traveling mechanism 100 and the second traveling mechanism 500 advance along the inner wall of the pipe, the supporting table 212 of the cleaning mechanism 200 rotates, and the supporting table 212 drives the cleaning plates 228 of the two elastic cleaning arms to rotate, so that the inner wall of the pipe is cleaned.
During entering the bent pipe portion, the first traveling mechanism 100 swings relative to the cleaning mechanism 200 and enters the bent pipe portion, subsequently, the cleaning mechanism 200 also swings relative to the second traveling mechanism 500 and enters the bent pipe portion, when the cleaning mechanism 200 swings, the second connecting rod 343 deflects relative to the first connecting rod 341, when a symmetrical plane of the guide groove in the guide direction is not parallel to a plane where a center line of bending of the bent pipe is located, the telescopic oil rod 345 near the inner side of the bent pipe deflects and shortens under the driving of the horizontal rod section 342 of the second connecting rod 343, the return spring 348 on the telescopic oil rod 345 is compressed, a pushing force is applied to a connecting position of the telescopic oil rod 345 and the swinging long strip 344, the telescopic oil rod 345 near the outer side of the bent pipe deflects and extends, the return spring 348 on the telescopic oil rod 345 is extended, a pulling force is applied to a connecting position of the telescopic oil rod 345 and the swinging long strip 344, and under the combined action of the pushing force, the swinging long strip 344 rotates and drives the second connecting rod 343 to rotate, the guide groove plate rotates, the guide groove plate 345 and the telescopic oil rod 344 is compressed to the plane of the two hydraulic cylinders 344, and the two telescopic oil rods 344 are compressed in the same direction, and the two telescopic oil rods 345 and the two telescopic oil rods 344 are compressed in the same direction.
After the second connecting rod 343 and the guide groove plate 310 deflect relative to the first connecting rod 341, the distance between the rotating wheel 333 on the guide groove plate 310 and the end of the belt close to the outer side of the elbow increases, and the distance between the rotating wheel 333 and the end of the belt close to the inner side of the elbow decreases, that is, the length of the two sections of belts at the two sides of the rotating wheel 333 changes, and the length of the belt close to the inner side of the elbow shortens, so that in the deflection process of the guide groove plate 310, the belt pulley rotates counterclockwise, and the blocking plate 332 is driven to block the opening of the hydraulic chamber 312 close to the inner side of the elbow. After the hydraulic cylinder 346 supplies oil to the liquid inlet cavity 318, hydraulic oil in the liquid inlet cavity 318 enters the hydraulic cavity 312 close to the outer side of the elbow, so that the driving arm of the connecting frame 320 in the hydraulic cavity 312 is pushed to move towards the outer side close to the elbow, the connecting frame 320 drives the central column 222 to move towards the outer side close to the elbow, namely the central column 222 is located at an eccentric position and is closer to the outer side of the elbow, the central column 222 compresses the elastic cleaning arm close to the outer side of the elbow, in the process that the rotary table 201 drives the elastic cleaning arm to rotate around the central column 222, the extrusion force between the elastic cleaning arm close to the outer side of the elbow and the inner wall surface of the outer side of the elbow is increased, the extrusion force between the elastic cleaning arm close to the inner side of the elbow and the inner wall surface of the inner side of the elbow is reduced, under the condition that the rotating speed of the rotary table 201 is not changed, the cleaning capacity of the outer side area of the inner surface of the elbow is improved, the inner surface of the elbow is cleaned more uniformly, and the cleaning effect is improved.
Embodiment 2 of the apparatus for cleaning the inner wall of a bent pipe of the present invention:
the lower end face of the supporting seat of the second advancing mechanism is hinged with the upper end face of the rotary table through a spherical hinge seat.
Example 3 of the apparatus for cleaning the inner wall of the elbow pipe of the present invention:
the supporting platform is hinged on the supporting seat of the first travelling mechanism through a universal joint.
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that various changes and modifications can be made by those skilled in the art without departing from the spirit of the invention, and these changes and modifications are all within the scope of the invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (9)
1. A cleaning device for the inner wall of a bent pipe is characterized by comprising:
a first travel mechanism;
the front end of the cleaning mechanism is hinged with the first travelling mechanism through a spherical hinge or a universal joint, the cleaning mechanism comprises a rotary table and an elastic cleaning assembly arranged in the rotary table, the elastic cleaning assembly comprises a central column and two elastic cleaning arms, and the two elastic cleaning arms are slidably arranged on the outer peripheral surface of the central column and are positioned on the same straight line;
the eccentric adjusting mechanism is used for driving the central column to deflect towards the direction far away from the inner side of the inner surface of the bent pipe, so that the central column compresses the elastic cleaning arm close to the outer side of the inner surface of the bent pipe and stretches the elastic cleaning arm close to the inner side of the inner surface of the bent pipe;
the driving mechanism is used for driving the rotary table to enable the rotary table to drive the elastic cleaning arm to rotate around the central column;
the second advancing mechanism is fixedly connected with the rear end of the cleaning mechanism through a spherical hinge or a universal joint; the eccentric adjusting mechanism comprises a guide groove plate, a connecting frame and an oil supply assembly, one end of the connecting frame is fixedly connected with the central column, a guide groove for inserting the other end of the connecting frame is formed in the guide groove plate, and the oil supply assembly is used for supplying hydraulic oil to the guide groove to push the connecting frame to slide in the guide groove.
2. The apparatus according to claim 1, wherein the oil supply assembly comprises a first connecting rod, a second connecting rod, a swinging strip and a telescopic oil rod, the upper end of the first connecting rod is rotatably connected to the lower end surface of the swinging strip, the lower end of the second connecting rod is hinged to the upper end surface of the swinging strip through a spherical hinge, the lower end surface of the guide groove plate is fixedly connected to the upper end of the second connecting rod, the rotation of the swinging strip can drive the guide groove plate to rotate, the second connecting rod can compress the telescopic oil rod when swinging around the first connecting rod, and the compressed telescopic oil rod supplies hydraulic oil to the guide groove through an oil pipe.
3. The apparatus according to claim 2, wherein there are two telescopic oil rods, the telescopic oil rods are sleeved with return springs, and two ends of the return springs are fixedly connected to the telescopic oil rods, the lower ends of the telescopic oil rods are symmetrically hinged to two sides of the swinging bar by means of ball joints, and the upper ends of the telescopic oil rods are hinged to the second connecting bar by means of ball joints.
4. The apparatus according to claim 3, wherein the connecting frame has two driving arms at one end inserted into the guide groove, the guide groove is divided into two independent hydraulic chambers, the two driving arms are respectively inserted into the two hydraulic chambers to be driven by the hydraulic oil, and the eccentric adjustment mechanism further comprises a direction adjustment assembly for closing one of the hydraulic chambers to allow the hydraulic oil to enter the other hydraulic chamber.
5. The apparatus according to claim 4, wherein the direction adjusting assembly comprises a plugging plate and a pulley assembly, the pulley assembly comprises a rotating wheel and a driving belt wound on the rotating wheel, two ends of the driving belt are fixedly disposed on either side of the swinging strip on which the telescopic oil rod is hinged, a rotating shaft of the rotating wheel extends into the guide groove, and the plugging plate is fixed on the rotating shaft and used for plugging the hydraulic chamber under the driving of the rotating shaft.
6. The elbow pipe inner wall cleaning device according to any one of claims 1 to 5, wherein the elastic cleaning arm comprises a connecting rod, a cleaning spring and a cleaning plate, one end of the connecting rod is slidably connected with the outer peripheral surface of the central column, the other end of the connecting rod is connected with the cleaning spring, the other end of the cleaning spring is fixedly connected with the cleaning plate, two accommodating holes symmetrically arranged around the central column are formed in the rotary table, and the elastic cleaning arms respectively penetrate through the accommodating holes in a one-to-one correspondence manner and enable the cleaning plate to extend out of the rotary table.
7. The apparatus according to any one of claims 1 to 5, wherein the driving mechanism comprises a driven ring gear, a driving gear, and a rotary motor, the driven ring gear is disposed on the turntable, the driven ring gear is engaged with the driving gear, and the driving gear is driven by the rotary motor.
8. The elbow inner wall cleaning device according to any one of claims 1 to 5, wherein the first travel mechanism and the second travel mechanism each comprise a support base and a travel wheel mechanism provided on the support base.
9. The apparatus according to claim 8, wherein the traveling wheel mechanism comprises a swing arm, a traveling wheel, a traveling motor and a pressure reducing spring, the swing arm is hinged to the support base, one end of the pressure reducing spring is fixedly connected to the swing arm, the other end of the pressure reducing spring is fixedly connected to the support base, and the traveling motor is used for driving the traveling wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211231635.3A CN115283381A (en) | 2022-10-10 | 2022-10-10 | Cleaning device for inner wall of bent pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211231635.3A CN115283381A (en) | 2022-10-10 | 2022-10-10 | Cleaning device for inner wall of bent pipe |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116967221A (en) * | 2023-09-22 | 2023-10-31 | 南通清风通用机械有限公司 | Cleaning equipment for spiral air duct |
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|---|---|---|---|---|
| CN112547717A (en) * | 2020-11-20 | 2021-03-26 | 隋广林 | Pipeline robot of cleaning device in petroleum pipeline |
| CN112923782A (en) * | 2021-04-16 | 2021-06-08 | 安徽省正大电力建设有限公司 | Scale cleaning device for hot water pipeline |
| CN113245321A (en) * | 2021-05-14 | 2021-08-13 | 中国计量大学 | Self-adaptive passive cleaning robot for flammable and explosive dust pipeline |
| CN113894117A (en) * | 2021-11-24 | 2022-01-07 | 中北大学 | Mechanical structure of pipeline dredging robot |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112547717A (en) * | 2020-11-20 | 2021-03-26 | 隋广林 | Pipeline robot of cleaning device in petroleum pipeline |
| CN112923782A (en) * | 2021-04-16 | 2021-06-08 | 安徽省正大电力建设有限公司 | Scale cleaning device for hot water pipeline |
| CN113245321A (en) * | 2021-05-14 | 2021-08-13 | 中国计量大学 | Self-adaptive passive cleaning robot for flammable and explosive dust pipeline |
| CN113894117A (en) * | 2021-11-24 | 2022-01-07 | 中北大学 | Mechanical structure of pipeline dredging robot |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116967221A (en) * | 2023-09-22 | 2023-10-31 | 南通清风通用机械有限公司 | Cleaning equipment for spiral air duct |
| CN116967221B (en) * | 2023-09-22 | 2023-12-19 | 南通清风通用机械有限公司 | Cleaning equipment for spiral air duct |
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Application publication date: 20221104 |