CN210209838U - Boiler overhauls uses grinding device - Google Patents

Boiler overhauls uses grinding device Download PDF

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Publication number
CN210209838U
CN210209838U CN201921291180.8U CN201921291180U CN210209838U CN 210209838 U CN210209838 U CN 210209838U CN 201921291180 U CN201921291180 U CN 201921291180U CN 210209838 U CN210209838 U CN 210209838U
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China
Prior art keywords
telescopic
fixedly connected
frame
grinding device
boiler
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CN201921291180.8U
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Chinese (zh)
Inventor
Qicong Hou
侯启聪
Hongjun Yu
于洪俊
Haitao Fan
范海涛
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Datang Shandong Electric Power Overhaul and Operation Co Ltd
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Datang Shandong Electric Power Overhaul and Operation Co Ltd
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Priority to CN201921291180.8U priority Critical patent/CN210209838U/en
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  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)

Abstract

The utility model provides a polishing device for boiler maintenance, which comprises a driving mechanism, a telescopic mechanism, a fixing mechanism and a polishing mechanism, wherein the driving mechanism and the telescopic mechanism are respectively and fixedly connected with the fixing mechanism, and the fixing mechanism is used for fixing the polishing device on the inner wall of a boiler; the driving mechanism is connected with the telescopic mechanism, the telescopic mechanism is detachably and fixedly connected with the polishing mechanism, and the driving mechanism is used for driving the polishing mechanism to synchronously stretch and retract by driving the telescopic mechanism to stretch and retract; can fix grinding device in boiler inner chamber's optional position, then freely regulate and control grinding device's angle and length to polish to the depths position in the boiler, and need not to hold for a long time and lift, saved the strength, make its during operation of polishing more stable, make the precision of polishing higher.

Description

Boiler overhauls uses grinding device
Technical Field
The utility model relates to a boiler overhauls uses instrument technical field, in particular to boiler overhauls uses grinding device.
Background
The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.
The boiler maintenance mainly comprises the steps of collecting, arranging, filling in maintenance technical records, compiling work summary and accident analysis report; carrying out comprehensive explosion-proof inspection on the heated surface of the boiler, correctly analyzing the reasons of pipe abrasion, creep expansion and corrosion, proposing preventive measures and giving charge to leaders to approve and execute; under the guidance of professional leaders, a large number of heating surface tube bank replacement, header replacement and other work are carried out; has the operation skills of a bench worker such as scraping, assembling, repairing and the like.
The inventor of the present disclosure finds that a kind of grinding device is needed to be used for boiler maintenance, and some structures needing maintenance and the boiler are integrally formed or welded on the structure when being assembled, so that the grinding device is inconvenient to take off and grind, and the grinding device needs to be stretched into the boiler for grinding.
SUMMERY OF THE UTILITY MODEL
In order to solve prior art's not enough, this disclosure provides a grinding device for boiler maintenance can fix grinding device at the optional position of boiler inner chamber, then freely regulates and control grinding device's angle and length to the depths position in the boiler is polished, and need not to hold for a long time and lift, has saved the strength, makes its polishing during operation more stable, makes the precision of polishing higher.
In order to achieve the purpose, the following technical scheme is adopted in the disclosure:
a polishing device for boiler maintenance comprises a driving mechanism, a telescopic mechanism, a fixing mechanism and a polishing mechanism, wherein the driving mechanism and the telescopic mechanism are respectively and fixedly connected with the fixing mechanism, and the fixing mechanism is used for fixing the polishing device on the inner wall of a boiler; the polishing device comprises a driving mechanism, a telescopic mechanism, a polishing mechanism and a grinding mechanism, wherein the driving mechanism is connected with the telescopic mechanism, the telescopic mechanism is fixedly connected with the polishing mechanism in a detachable mode, and the driving mechanism is used for driving the synchronous stretching of the polishing mechanism through the stretching of the telescopic mechanism.
As possible some implementation manners, fixed establishment includes landing slab, support frame, bracing piece and vacuum chuck, the intermediate position of bottom surface is connected with the one end of support frame under the landing slab, the other end of support frame and the one end swing joint of bracing piece, the other end and the vacuum chuck fixed connection of bracing piece, vacuum chuck is used for fixing grinding device absorption on the boiler inner wall.
As possible realization modes, the device also comprises a first pin shaft, and the other end of the support frame is movably connected with one end of the support rod through the first pin shaft;
as possible realization modes, the vacuum suction cup further comprises a first spring, the other end of the supporting rod is connected with one end of the first spring, and the other end of the first spring is fixedly connected with the vacuum suction cup;
as possible some implementation manners, the both sides on another surface of the landing slab are respectively provided with a supporting plate, which is a first supporting plate and a second supporting plate respectively, and the landing slab further comprises a first hinge and a second hinge, one side of the landing slab is connected with the first supporting plate through the first hinge, the other side of the landing slab is connected with the second supporting plate through the second hinge, the inner cavities of the supporting plates are respectively connected with an inner plate in a sliding manner, a side surface of the supporting plate is provided with a sliding groove, and one side of the side surface of the inner plate is fixedly connected with a sliding block which is attached to the sliding groove in a sliding manner.
As further injecture, actuating mechanism includes side bearer, expansion bracket, driving medium, first pivot, first gear, second pivot and second gear, side bearer and expansion bracket are all fixed at the upper surface of landing slab, telescopic machanism sets up on the expansion bracket, one side of side bearer and one side fixed connection of expansion bracket, one side of keeping away from the side bearer of expansion bracket is connected with telescopic machanism's one end, first gear passes through first pivot setting on the side bearer, the second gear passes through the second pivot setting on the expansion bracket, first gear and second gear meshing, the second gear passes through the driving medium and is connected with telescopic machanism's one end, drives telescopic machanism's flexible through the rotation of gear.
As a further limitation, the transmission part comprises a transmission belt, a first transmission wheel, a second transmission wheel and a chain, the transmission belt is sleeved on the second rotating shaft, the transmission belt further comprises the first transmission wheel and the second transmission wheel, a first bearing and a second bearing are fixed on the telescopic mechanism, a wheel shaft of the first transmission wheel is connected with the first bearing, a wheel shaft of the second transmission wheel is connected with the second bearing, the transmission belt is further in transmission connection with the first transmission wheel, and the first transmission wheel is in transmission connection with the second transmission wheel through the chain.
As further injecture, telescopic machanism includes flexible pipe, flexible inner tube and first threaded rod, the one end of flexible pipe and one side fixed connection of expansion bracket, flexible inner tube slides and cup joints in the inner chamber of flexible pipe, flexible inner tube stretches into one side of flexible pipe and opens the opening that is used for supplying the chain motion, the top of chain is fixed with the connecting plate, the top of connecting plate and the inner wall fixed connection of the one side of flexible pipe of stretching into of flexible inner tube, the one side that flexible pipe was stretched out to flexible inner tube and the one end fixed connection of first threaded rod.
As a further limitation, the top and the bottom of the opening of the telescopic pipe are symmetrically and fixedly connected with casters, the top and the bottom of the telescopic inner pipe are provided with slide rails matched with the casters, and the casters are matched with the slide rails for sliding connection.
As a further limitation, the polishing mechanism comprises a motor frame, a motor and a grinding wheel, a threaded hole is formed in an inner cavity on one side of the motor frame, the other end of the first threaded rod is in threaded connection with one side of the motor frame with the threaded hole, the motor is embedded into the other side of the motor frame, and an output shaft on one side of the motor, which is far away from the motor frame, is fixedly connected with the grinding wheel.
As a further limitation, the platform further comprises a handle rod, a support, a second connecting piece and a side frame, wherein one end of the handle rod is fixedly connected with one end of the support, the support is detachably and fixedly connected with one side, away from the telescopic frame, of the side frame through the first connecting piece, and the bottom of the side frame is fixedly connected with one surface of the platform plate.
As a further limitation, a second threaded rod is fixed at the other end of the bracket, the size of the second threaded rod is the same as that of the first threaded rod, and the second threaded rod is matched with a threaded hole in the motor frame;
as a further limitation, the first rotating shaft penetrates through two symmetrical side surfaces of the side frame, and a first rotating rod is fixed at one end of the first rotating shaft;
as a further limitation, the first connecting piece is a hollow connecting piece and further comprises a first bolt, one side of the connecting piece is pressed on the surface of the support through the first bolt, and the other side of the connecting piece is detachably and fixedly connected with the side frame;
as a further limitation, the handle is further included, and the handle is fixedly connected with the other end of the handle rod.
Compared with the prior art, the beneficial effect of this disclosure is:
1. the device can fix grinding device at the optional position of the inner cavity of the boiler by arranging the fixing mechanism and the telescopic mechanism, and then freely regulate and control the angle and the length of the grinding device, so that the deep part in the boiler is ground without being held for a long time, the force is saved, the grinding operation is more stable, and the grinding precision is higher.
2. The device adopt the dismantlement formula structure, can dismantle and assemble into hand-held type and polish, can hand-held processing other parts, made things convenient for greatly to the boiler maintenance.
Drawings
Fig. 1 is a front view of a grinding device for boiler maintenance according to embodiment 1 of the present disclosure.
Fig. 2 is a front view of a hand-held grinding device for boiler maintenance according to embodiment 1 of the present disclosure.
Fig. 3 is a side view of a motor frame of a grinding device for boiler maintenance according to embodiment 1 of the present disclosure.
Fig. 4 is a side view of a telescoping mechanism of a grinding device for boiler maintenance according to embodiment 1 of the present disclosure.
Fig. 5 is a schematic perspective view of a part of a grinding device for boiler maintenance according to embodiment 1 of the present disclosure.
1-handle, 2-handle rod, 3-bracket, 4-hollow connecting piece, 5-expansion bracket, 6-expansion pipe, 61-caster, 7-motor bracket, 71-threaded hole, 8-high-speed motor, 9-grinding wheel, 10-support bracket, 11-first pin shaft, 12-support rod, 13-damping spring, 14-vacuum chuck, 15-first rotating rod, 16-side bracket, 17-platform plate, 18-electric wire, 19-bolt, 201-first threaded rod, 202-second threaded rod, 21-first gear, 22-second gear, 23-transmission belt, 241-first transmission wheel, 242-second transmission wheel, 25-chain, 26-connecting plate, 27-expansion inner pipe, 28-opening, 291-first bearing, 292-second bearing, 30-resisting plate, 31-inner plate, 32-sliding groove, 33-sliding block and 34-hinge.
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this disclosure belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present disclosure. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
Example 1:
the embodiment 1 of the disclosure provides a polishing device for boiler maintenance, which comprises a driving mechanism, a telescopic mechanism, a fixing mechanism and a polishing mechanism, wherein the driving mechanism and the telescopic mechanism are respectively and fixedly connected with the fixing mechanism, and the fixing mechanism is used for fixing the polishing device on the inner wall of a boiler; the polishing device comprises a driving mechanism, a telescopic mechanism, a polishing mechanism and a grinding mechanism, wherein the driving mechanism is connected with the telescopic mechanism, the telescopic mechanism is fixedly connected with the polishing mechanism in a detachable mode, and the driving mechanism is used for driving the synchronous stretching of the polishing mechanism through the stretching of the telescopic mechanism.
The fixing mechanism comprises a platform plate 17, a support frame 10, a support rod 12 and a vacuum chuck 14; the driving mechanism comprises a side frame 16, an expansion bracket 5, a transmission piece, a first rotating shaft, a first gear 21, a second rotating shaft and a second gear 22; the transmission members comprise a transmission belt 23, a first transmission wheel 241, a second transmission wheel 242 and a chain 25; the telescopic mechanism comprises a telescopic pipe 6, a telescopic inner pipe 27 and a first threaded rod 201; the grinding mechanism comprises a motor frame 7, a motor 8 and a grinding wheel 9; the specific connection and working mode are as follows:
as shown in fig. 1-2, the handle comprises a handle 1, an integrally formed handle rod 2 is welded to the right side of the handle 1, a bracket 3 is welded to the right side of the handle rod 2, a first bolt 19 is connected to the surface of the bracket 3, the hollow connecting piece 4 is pressed to the surface of the bracket 3 by the first bolt 19, and the right side of the hollow connecting piece 4 is connected with a side frame 16 through a screw.
The bottom of the side frame 16 is fixedly connected with a platform plate 17, the right side of the side frame 16 is communicated with an expansion bracket 5 arranged on the platform plate 17, one end of an expansion pipe 6 at the right side of the expansion bracket 5 is welded, the bottom at the right side of the side frame 16 is provided with a first rotating shaft, the first rotating shaft is in key connection with a first gear 21, the right side of the first gear 21 is meshed with a second gear 22, a transmission belt 23 is sleeved on the rotating shaft of the second gear 22, the right side of the transmission belt 23 is in transmission connection with a first transmission wheel 241, the first transmission wheel 241 is connected to a second transmission wheel 242 through a chain 25, the wheel axle of the first transmission wheel 241 is connected with a first bearing 291 on the inner wall of the expansion pipe 6, the wheel axle of the second transmission wheel 242 is connected with a second bearing 292 on the inner wall of the expansion pipe 6, a connecting plate 26 is welded at, the telescopic inner tube 27 is sleeved in an inner cavity of the telescopic tube 6 in a sliding mode, the front and the back of the telescopic inner tube 27 are provided with openings 28, the right side of the telescopic inner tube 27 is welded with a first threaded rod 20, the right side of the telescopic inner tube 27 is connected with a motor frame 7 in a threaded mode, a high-rotating-speed motor 8 is embedded into the right side of the motor frame 7, a top wiring terminal of the high-rotating-speed motor 8 is connected with an electric wire 18, and the right side of the high-rotating-speed motor 8 is connected with an output shaft key.
The middle position welding of bottom surface has support frame 10 under the landing slab 17, and the bottom of this support frame 10 has bracing piece 12 through 11 round pins of first round pin axle, and the bottom fixedly connected with first spring 13 of this bracing piece 12, first spring is damping spring, the bottom fixedly connected with vacuum chuck 14 of first spring 13.
Both sides of bottom surface all articulate through hinge 34 under the landing slab 17 and have to support board 30, the inner chamber sliding connection who supports board 30 has inner panel 31, support board 30's side and seted up spout 32, one side fixedly connected with sliding fit's slider 33 on spout 32 of inner panel 31 side is convenient for promote the stability and the bearing capacity of bracing piece 12.
The sliding groove 32 is further provided with a plurality of stoppers for fixing the sliding block 33.
The first rotating shaft penetrates through the front face of the side frame 16, and one end of the rotating shaft is fixedly connected with the rotating rod 15, so that the first gear 21 can be conveniently operated in a rotating mode, and the movement of the telescopic inner pipe 27 can be conveniently controlled.
The right side welding of support 3 has second threaded rod 202, second threaded rod 202 is the same with the first threaded rod 201 size on the flexible inner tube 27, and threaded hole 71 is seted up to the left side inner chamber of motor frame 7, and this threaded hole 71 and first threaded rod 201 and second threaded rod 202 looks adaptation, as shown in fig. 3, this design is convenient for hand grinding device.
The top and the bottom of the opening of the telescopic tube 6 are both fixedly connected with casters 61, the casters 61 are slidably connected with slide rails arranged at the top and the bottom of the telescopic inner tube 27, as shown in fig. 4, the design facilitates the correction of the telescopic inner tube 27 and the sliding out of the telescopic inner tube 27.
The specific using method comprises the following steps:
when polishing is held in hand to needs, through rotating bolt 19, take off handle 1, then rotate motor frame 7, take off motor frame 7, then be connected first threaded rod 201 on the support 3 and the screw hole 71 on the motor frame 7 and can accomplish handheld the constitution, as shown in fig. 5, the handheld operation of being convenient for.
When the interior of a boiler needs to be polished and overhauled, a vacuum suction cup 14 is adsorbed on the inner wall of the boiler, then a first pin shaft 11 is moved, the angle of a polishing device is adjusted at a proper position, then a supporting plate 30 with a smaller inner included angle is pulled, a triangular structure is formed between the supporting plate 30 and a supporting rod 12, then a sliding block 33 is pulled, an inner plate 31 of the supporting plate 30 is pulled out, so that one side of the inner plate 31 is abutted against the supporting rod 12, triangular support is completed, the stability of the supporting rod 12 is improved, then a support 3 is moved on a side frame 16 by rotating a first bolt 19, so that a handle 1 is moved to a proper position, and then the first bolt 19 is locked; then, the rotating rod 15 on the side frame 16 is rotated, so that the rotating rod 15 drives the first gear 21 to rotate, the first gear 21 drives the second gear 22 to rotate, the second gear 22 drives the first driving wheel 241 through the driving belt 23, the chain 25 is driven to rotate through the first driving wheel 241 and the second driving wheel 242, thereby controlling the connecting plate 26 to move to one side, so that the connecting plate 26 drives the telescopic inner pipe 27 to move, thereby achieving the purpose of adjusting the length of the polishing device, further, the deep part of the boiler can be polished and repaired, and when the telescopic inner pipe 27 is moved outward, the pulley 61 in the inner cavity of the telescopic pipe 6 also moves in the slide rails arranged at the top and the bottom of the telescopic inner pipe 27 to achieve the purpose of assisting the telescopic inner pipe 27 to move, while the grinding work is performed, the impact of the vibration generated by the grinding is offset by the first spring 13 below the support rod 12, and thus the stable supporting capability of the support rod 12 is not affected.
The above description is only a preferred embodiment of the present disclosure and is not intended to limit the present disclosure, and various modifications and changes may be made to the present disclosure by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present disclosure should be included in the protection scope of the present disclosure.

Claims (10)

1. A polishing device for boiler maintenance is characterized by comprising a driving mechanism, a telescopic mechanism, a fixing mechanism and a polishing mechanism, wherein the driving mechanism and the telescopic mechanism are respectively and fixedly connected with the fixing mechanism, and the fixing mechanism is used for fixing the polishing device on the inner wall of a boiler; the polishing device comprises a driving mechanism, a telescopic mechanism, a polishing mechanism and a grinding mechanism, wherein the driving mechanism is connected with the telescopic mechanism, the telescopic mechanism is fixedly connected with the polishing mechanism in a detachable mode, and the driving mechanism is used for driving the synchronous stretching of the polishing mechanism through the stretching of the telescopic mechanism.
2. The grinding device for boiler maintenance according to claim 1, wherein the fixing mechanism comprises a platform plate, a supporting frame, a supporting rod and a vacuum chuck, the middle position of the lower bottom surface of the platform plate is connected with one end of the supporting frame, the other end of the supporting frame is movably connected with one end of the supporting rod, the other end of the supporting rod is fixedly connected with the vacuum chuck, and the vacuum chuck is used for fixing the grinding device on the inner wall of the boiler in an adsorption manner.
3. The grinding device for boiler maintenance according to claim 2, further comprising a first pin, wherein the other end of the support frame is movably connected with one end of the support rod through the first pin;
or the other end of the supporting rod is connected with one end of the first spring, and the other end of the first spring is fixedly connected with the vacuum chuck;
or, the both sides on another surface of landing slab are equipped with respectively and support the board, are first respectively and support the board with the second respectively, still include first hinge and second hinge, one side of landing slab is connected with first support the board through first hinge, the opposite side of landing slab is connected with the second support the board through the second hinge, and the inner chamber of each support the board sliding connection respectively has the inner panel, support and seted up the spout on one side of board, one side fixedly connected with sliding fit's the slider on the spout of inner panel side.
4. The grinding device for boiler maintenance according to claim 2, wherein the driving mechanism includes a side frame, an expansion bracket, a transmission member, a first rotating shaft, a first gear, a second rotating shaft, and a second gear, the side frame and the expansion bracket are both fixed on the upper surface of the platform plate, the expansion mechanism is disposed on the expansion bracket, one side of the side frame is fixedly connected with one side of the expansion bracket, which is far away from the side frame, is connected with one end of the expansion mechanism, the first gear is disposed on the side frame through the first rotating shaft, the second gear is disposed on the expansion bracket through the second rotating shaft, the first gear and the second gear are engaged, the second gear is connected with one end of the expansion mechanism through the transmission member, and the rotation of the gears drives the expansion mechanism to expand and contract.
5. The grinding device for boiler maintenance according to claim 4, wherein the transmission member comprises a transmission belt, a first transmission wheel, a second transmission wheel and a chain, the transmission belt is sleeved on the second rotating shaft, the grinding device further comprises a first transmission wheel and a second transmission wheel, a first bearing and a second bearing are fixed on the telescopic mechanism, a wheel axle of the first transmission wheel is connected with the first bearing, a wheel axle of the second transmission wheel is connected with the second bearing, the transmission belt is further in transmission connection with the first transmission wheel, and the first transmission wheel is in transmission connection with the second transmission wheel through the chain.
6. The grinding device for boiler maintenance according to claim 5, wherein the telescopic mechanism comprises a telescopic pipe, a telescopic inner pipe and a first threaded rod, one end of the telescopic pipe is fixedly connected with one side of the telescopic frame, the telescopic inner pipe is sleeved in an inner cavity of the telescopic pipe in a sliding manner, an opening for a chain to move is formed in one side of the telescopic inner pipe extending into the telescopic pipe, a connecting plate is fixed to the top of the chain, the top of the connecting plate is fixedly connected with the inner wall of one side of the telescopic inner pipe extending into the telescopic pipe, and one side of the telescopic inner pipe extending out of the telescopic pipe is fixedly connected with one end of the first threaded rod.
7. The grinding device for boiler maintenance according to claim 6, wherein casters are symmetrically and fixedly connected to the top and the bottom of the opening of the telescopic tube, slide rails matched with the casters are arranged at the top and the bottom of the telescopic inner tube, and the casters are matched with the slide rails and slidably connected.
8. The grinding device for boiler maintenance according to claim 6, wherein the grinding mechanism comprises a motor frame, a motor and a grinding wheel, a threaded hole is formed in an inner cavity on one side of the motor frame, the other end of the first threaded rod is in threaded connection with one side of the motor frame with the threaded hole, the motor is embedded in the other side of the motor frame, and an output shaft on one side of the motor, which is far away from the motor frame, is fixedly connected with the grinding wheel.
9. The grinding device for boiler maintenance according to claim 8, further comprising a handle bar, a bracket, a second connecting member and a side frame, wherein one end of the handle bar is fixedly connected with one end of the bracket, the bracket is detachably and fixedly connected with one side of the side frame far away from the telescopic frame through the first connecting member, and the bottom of the side frame is fixedly connected with one surface of the platform plate.
10. The grinding device for boiler maintenance according to claim 9, wherein a second threaded rod is fixed to the other end of the bracket, the second threaded rod has the same size as the first threaded rod, and the second threaded rod is matched with a threaded hole in the motor frame;
or the first rotating shaft penetrates through two symmetrical side surfaces of the side frame, and a first rotating rod is fixed at one end of the first rotating shaft;
or the first connecting piece is a hollow connecting piece and further comprises a first bolt, one side of the connecting piece is pressed on the surface of the support through the first bolt, and the other side of the connecting piece is detachably and fixedly connected with the side frame;
or the handle is fixedly connected with the other end of the handle rod.
CN201921291180.8U 2019-08-09 2019-08-09 Boiler overhauls uses grinding device Active CN210209838U (en)

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CN201921291180.8U CN210209838U (en) 2019-08-09 2019-08-09 Boiler overhauls uses grinding device

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Application Number Priority Date Filing Date Title
CN201921291180.8U CN210209838U (en) 2019-08-09 2019-08-09 Boiler overhauls uses grinding device

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112536678A (en) * 2020-11-09 2021-03-23 东台立一工业技术有限公司 A grinding device for bearing production

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112536678A (en) * 2020-11-09 2021-03-23 东台立一工业技术有限公司 A grinding device for bearing production

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