CN208341866U - Tube body cutter device on the outside of boiler's tube-plate - Google Patents

Abstract

The utility model provides tube body cutter device on the outside of a kind of boiler's tube-plate, is related to boiler processing technical field of auxiliary equipment, including lower guideway, upper rail, sliding rack and cutting part；Sliding rack includes movable stand, two columns and lifting part.Tube body cutter device on the outside of boiler's tube-plate provided by the utility model, the effect for carrying out precise positioning in cutting process for the tube body on the outside of the boiler's tube-plate of different location can be fast implemented by using the mode that upper rail and lower guideway are combined with sliding rack, cutting part drives its sliding in the up-down direction by lifting part, the cutting of the tube body of different height on boiler can be corresponded to, to adapt to the needs of the tube body of different location on the outside of excision boiler's tube-plate, with good modulability applicability, greatly improve working efficiency, it ensure that cutting effect, improve the aesthetics of boiler exterior.

Description

Tube body cutter device on the outside of boiler's tube-plate

Technical field

It is more specifically to be related to a kind of boiler's tube-plate that the utility model, which belongs to boiler processing technical field of auxiliary equipment, Outside tube body cutter device.

Background technique

In industrial enterprise, commonly using boiler plant is arrived, boiler is a kind of energy conversion, can using fuel or Person's electric energy is converted into the steam, high-temperature water or organic heat carrier with certain thermal energy.The hot water or steam generated in boiler can be straight It is connected in industrial production and people's lives provides required thermal energy, mechanical energy can also be converted to by Steam Power Equipment, or pass through again Generator converts mechanical energy into electric energy.

Boiler's tube-plate refers to being mounted on two plate bodys with multiple holes of boiler axial sides, between two plate bodys Hole in be provided with elongated tube body, for the flue gas that circulates, as the channel of energy transmission, will be on pipe welding to tube sheet When, it is the tube body for being greater than tube sheet spacing in both ends using length in the technique that generally uses, then tube body is exposed to and is wanted by technique The part excision for carrying out tube sheet is asked, the electric and pneumatic electric beveling machine for pipes of conventionally employed manual operation is cut off, this excision Method one side low efficiency, equipment attrition is big, and different will cause of tube body height and position cuts the big problem of difficulty, while also having There is the problem of cutting surfaces out-of-flatness, has seriously affected the presentation quality of product.

Utility model content

The purpose of this utility model is to provide tube body cutter devices on the outside of a kind of boiler's tube-plate, to solve in the prior art Inefficiency and the bad technical problem of surface quality in existing existing tube body cutting process.

In order to achieve the above purposes, the technical solution adopted by the utility model is: provides tube body on the outside of a kind of boiler's tube-plate and cuts Device is cut, is set to down including being set to the lower guideway of the axial side-lower of boiler perpendicular to boiler main shaft, being parallel to lower guideway Upper rail above guide rail is set between lower guideway and upper rail and is respectively used to be slidably connected with lower guideway and upper rail Sliding rack and the cutting part for being set on sliding rack and being slidably connected in the up-down direction with sliding rack；Sliding rack includes using In with lower guideway roll with merges locking movable stand, be symmetrically disposed on movable stand above and upper end be used for and upper rail sliding company Two columns connecing and it is set to lifting part between two columns and for going up and down cutting assembly.

As further optimization, lifting part include be set on rear side of two columns and be located between two columns and with Column rotation connection shaft, for drive shaft rotation first motor, be set to shaft axial ends two sprocket wheels, point Not Yong Yu with two chains of sprocket engagement, be respectively used to two sliding sleeves affixed with one end of two chains and for The affixed clump weight of two chain other ends, the lower end of sliding sleeve and cutting part are affixed.

As further optimization, sliding sleeve include two sleeve assemblies for being respectively used to be slidably connected with two columns, It is set to the upper beam affixed between the upper end of two sleeve assemblies and with chain and is set to the lower end of two sleeve assemblies Between and be used for the lower beam affixed with cutting part.

As further optimization, sleeve assembly includes upper bush for being slidably connected with column, is set to upper bush Lower section and the lower sleeve being slidably connected with column and the connecting upright pole for connecting upper bush and lower sleeve.

As further optimization, cutting part includes for the pedestal plate affixed with lifting part lower end outside, setting In on pedestal plate longitudinal rod, be transversely to the machine direction bar setting transverse bar, connect with transverse bar and with longitudinal rod in above-below direction On be slidably matched vertical adjustment component, be set on transverse bar and slided in parallel transverse bar axially direction with transverse bar The lateral adjustments component of cooperation and the cutting assembly for being set on transverse bar and being slidably connected with transverse bar.

As further optimization, cutting assembly includes tool apron, for being rotatablely connected with tool apron and to far from lifting part The casing of side extension, is set on tool apron and for driving the cutter head for being set to casing periphery and being used to cut off tube head outer end face The driving motor and be set on tool apron and be used for drive sleeve along the handwheel of the axial movement of casing that dynamic casing rotates.

As further optimization, movable stand includes the moving beam for being parallel to the setting of lower guideway axis, passes through along the vertical direction Wear moving beam and be set to the cavity at moving beam both ends, be set in cavity and with the idler wheel of moving beam rotation connection and set It is placed in the driving part on moving beam and for driving idler wheel to rotate.

As further optimization, the axial middle part of idler wheel is equipped with the limiting slot for accommodating lower guideway.

As further optimization, driving part includes the second motor and the second motor being set on the outside of moving beam It the affixed first gear of output end and is fixedly arranged on the outside of roller wheel shaft and second gear engaged with the first gear.

The beneficial effect of tube body cutter device is on the outside of boiler's tube-plate provided by the utility model: the utility model provides Boiler's tube-plate on the outside of tube body cutter device, can be quick by using the mode that upper rail and lower guideway are combined with sliding rack Realize the effect for carrying out precise positioning in cutting process for the tube body on the outside of the boiler's tube-plate of different location, cutting part passes through Lifting part drives its sliding in the up-down direction, the cutting of the tube body of different height on boiler can be corresponded to, to adapt to cut Except the needs of the tube body of different location on the outside of boiler's tube-plate, there is good modulability applicability, greatly improve work effect Rate ensure that cutting effect, improve the aesthetics of boiler exterior.

Detailed description of the invention

It, below will be to embodiment or the prior art in order to illustrate more clearly of the technical scheme in the embodiment of the utility model Attached drawing needed in description is briefly described, it should be apparent that, the accompanying drawings in the following description is only that this is practical new Some embodiments of type for those of ordinary skill in the art without any creative labor, can be with It obtains other drawings based on these drawings.

Fig. 1 is the schematic view of the front view of tube body cutter device on the outside of boiler's tube-plate provided by the embodiment of the utility model；

Fig. 2 is the left view structure of tube body cutter device use state on the outside of boiler's tube-plate provided by the embodiment of the utility model Schematic diagram；

Fig. 3 is the schematic view of the front view of lifting part in the utility model embodiment Fig. 1；

Fig. 4 is the schematic view of the front view of cutting part in the utility model embodiment Fig. 1；

Fig. 5 is the left view structural representation of cutting part in the utility model embodiment Fig. 4；

Fig. 6 is the overlooking structure diagram of movable stand in the utility model embodiment Fig. 2；

Wherein, each appended drawing reference in figure:

110- lower guideway；120- upper rail；200- sliding rack；300- movable stand；310- moving beam；320- cavity；330- Idler wheel；340- driving part；The second motor of 350-；360- first gear；370- second gear；380- limiting slot；400- column； 500- lifting part；510- shaft；511- first motor；520- sprocket wheel；530- chain；540- sliding sleeve；550- sleeve group Part；551- upper bush；552- lower sleeve；553- connecting upright pole；560- upper beam；570- lower beam；580- clump weight；700- Cutting part；710- longitudinal rod；720- transverse bar；730- vertical adjustment component；740- lateral adjustments component；750- cutting group Part；751- tool apron；752- casing；753- cutter head；754- driving motor；755- handwheel；760- pedestal plate；800- frame body；900- Boiler.

Specific embodiment

In order to which technical problem to be solved in the utility model, technical solution and beneficial effect is more clearly understood, with Lower combination accompanying drawings and embodiments, the present invention will be further described in detail.It should be appreciated that specific reality described herein It applies example to be only used to explain the utility model, is not used to limit the utility model.

It should be noted that it can be directly another when element is referred to as " being fixed on " or " being set to " another element On one element or indirectly on another element.When an element is known as " being connected to " another element, it can To be directly to another element or be indirectly connected on another element.

It is to be appreciated that term " length ", " width ", "upper", "lower", "front", "rear", "left", "right", "vertical", The orientation or positional relationship of the instructions such as "horizontal", "top", "bottom" "inner", "outside" is that orientation based on the figure or position are closed System, is merely for convenience of describing the present invention and simplifying the description, rather than the device or element of indication or suggestion meaning are necessary It with specific orientation, is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.

In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or Implicitly include one or more of the features.The meaning of " plurality " is two or two in the description of the present invention, More than, unless otherwise specifically defined.

Also referring to Fig. 1 to Fig. 6, now tube body cutter device on the outside of boiler's tube-plate provided by the utility model is said It is bright.Tube body cutter device on the outside of boiler's tube-plate, including being set to the axial side-lower of boiler 900 perpendicular to 900 main shaft of boiler Lower guideway 110, be parallel to lower guideway 110 be set to the upper rail 120 of the top of lower guideway 110, be set to lower guideway 110 and on lead Between rail 120 and it is respectively used to the sliding rack 200 being slidably connected with lower guideway 110 and upper rail 120 and is set to sliding rack The cutting part 700 being slidably connected in the up-down direction on 200 and with sliding rack 200；Sliding rack 200 includes for leading under Rail 110 rolls the movable stand 300 matching merging and locking, is symmetrically disposed on 300 top of movable stand and upper end is used for and upper rail 120 Two columns 400 being slidably connected and it is set to lifting part between two columns 400 and for going up and down cutting part 700 500。

Tube body cutter device on the outside of boiler's tube-plate provided by the utility model, compared with prior art, the utility model mentions Tube body cutter device on the outside of the boiler's tube-plate of confession, can be quick by using the mode that lower guideway 110 is combined with sliding rack 200 It realizes the effect for carrying out precise positioning in cutting process for the tube body on the outside of 900 tube sheet of boiler of different location, eliminates people Work carries out the problem that operation difficulty is big and cutting angle is inconsistent caused by tube body cutting, cutting part by operation electric saw 700 by being slidably connected in the up-down direction with sliding rack 200, can correspond to cutting for the tube body of different height on boiler 900 It cuts, due to having the end of multiple tube bodies on the outside of same 900 tube sheet of boiler, so in the process to entire boiler 900 In, need position of the mobile sliding rack 200 on upper rail 120 and lower guideway 110 and mobile cutting part 700 to different Height is to cut different location on boiler 900 and the tube body of height, to adapt on the outside of excision 900 tube sheet of boiler not With the needs of the tube body of position, there is good modulability applicability, greatly improve working efficiency, ensure that cutting effect Fruit improves the aesthetics outside boiler 900.It, can be under same root when 900 quantity of boiler of required cutting tube body is more Multiple sliding racks 200 and cutting part 700 are set on the length direction of guide rail 110 and upper rail 120, needed with cooperation production. Movable stand 300 is used for and lower guideway 110 rolls connection, realizes that sliding rack 200 is whole on upper rail 120 and lower guideway 110 It moves horizontally.Lower guideway 110 can be directly fixedly arranged on ground, and upper rail 120 can be fixed by frame body 800, Huo Zhetong Crossing that the preset crossbeam in workshop top is fixed can also be with, can guarantee to be used cooperatively with lower guideway 110 and mentions for sliding rack 200 For the effect of guiding.Column 400 is that lifting part 500 provides long rails, guarantees that lifting part 500 moves up in above-below direction Work that is smooth, and then realizing adjustment cutting part 700 and the relative position of boiler 900 in the up-down direction can be moved when dynamic With.

As further optimization, also referring to Fig. 1 to Fig. 3, on the outside of boiler's tube-plate provided by the utility model A kind of specific embodiment of tube body cutter device, lifting part 500 include being set to two columns, 400 rear side and being located at two Shaft 510, the first motor 511 for the rotation of drive shaft 510, setting being rotatablely connected between column 400 and with column 400 In 510 axial ends of shaft two sprocket wheels 520, be respectively used to two chains 530 engaged with sprocket wheel 520, be respectively used to Two affixed sliding sleeves 540 of one end of two chains 530 and for the clump weight affixed with two 530 other ends of chain 580, the lower end of sliding sleeve 540 and cutting part 700 are affixed.Lifting part 500 is mainly used for that cutting part 700 is driven to realize Movement in up and down direction, drives shaft 510 to be rotated by first motor 511, then drives the sprocket wheel 520 in shaft Rotation, final one end for realizing that sprocket wheel 520 drives chain 530 to be equipped with cutting part 700 moves up, while the rotation band of sprocket wheel 520 The clump weight 580 of one end of dynamic 530 rear side of chain moves down；When needing cutting part 700 to fall, then the first electricity is used Machine 511 is driven in the reverse direction shaft 510, the whereabouts of the cutting part 700 of 530 front end of chain is then driven by the reversion of sprocket wheel 520, together When 530 rear end of chain clump weight 580 move up.During clump weight 580 and cutting part 700 move up and down, in order to keep away Exempt to generate location conflicts therebetween, needs for shaft 510 to be arranged in 400 rear side of column, make the chain of front side on sprocket wheel 520 530 and two columns 400 be located on same fore-and-aft plane, clump weight 580 is then arranged in below one end of the rear side of chain 530, real Now match with the cutting part 700 of 530 front side of chain and the weight of the clump weight on rear side of chain, to reduce first motor 511 Power loss in use process.

As further optimization, also referring to Fig. 1 to Fig. 3, on the outside of boiler's tube-plate provided by the utility model A kind of specific embodiment of tube body cutter device, sliding sleeve 540 include be respectively used to be slidably connected with two columns 400 two A sleeve assembly 550 is set to the upper beam 560 affixed between the upper end of two sleeve assemblies 550 and with chain 530 and sets It is placed between the lower end of two sleeve assemblies 550 and for the lower beam 570 affixed with the cutting part 700.Two sleeves Component 550 is respectively sleeved at two 400 peripheries of column, can realize and slide up and down with column 400, guarantee entire sleeve assembly The setting of 550 stability run in the vertical direction, upper beam 560 and lower beam 570 ensure that entire sliding sleeve 540 Stability avoids the case where upper and lower position changing of the relative positions occur between two sleeve assemblies 550.

As further optimization, also referring to Fig. 1 to Fig. 3, on the outside of boiler's tube-plate provided by the utility model A kind of specific embodiment of tube body cutter device, sleeve assembly 550 include the upper bush for being slidably connected with column 400 551, be set to the lower section of upper bush 551 and the lower sleeve 552 that is slidably connected with column 400 and for connect upper bush 551 and The connecting upright pole 553 of lower sleeve 552.Upper bush 551 by way of connecting upright pole 553 is connected, on the one hand may be used with lower sleeve 552 Effectively to avoid the position of cutting part 700, the two location conflicts are avoided, while can also effectively drop by connecting upright pole 553 The weight of low sleeve assembly 550 reduces the energy consumed in device operational process.

As further optimization, also referring to Fig. 1 to Fig. 5, on the outside of boiler's tube-plate provided by the utility model A kind of specific embodiment of tube body cutter device, cutting part 700 include for affixed with 500 lower end outside of lifting part Pedestal plate 760, the longitudinal rod 710 being set on pedestal plate 760, the transverse bar 720 for being transversely to the machine direction the setting of bar 710 and transverse direction Bar 720 connect and be slidably matched in the up-down direction with longitudinal rod 710 vertical adjustment component 730, be set on transverse bar 720 And the lateral adjustments component 740 that is slidably matched in 720 axially direction of parallel transverse bar with transverse bar 720 and it is set to cross The cutting assembly 750 being slidably connected on bar 720 and with transverse bar 720.It is set between longitudinal rod 710 and transverse bar 720 Vertical adjustment component 730 can be realized the adjustment in 700 short transverse of cutting part, required excision on corresponding boiler 900 The height of tube body carries out height adjustment, then the lateral adjustments group by being set between transverse bar 720 and cutting part 700 Part 740 makes the lateral position of the corresponding good tube body of cutting part 700, then can carry out the tube body cutting of the position.Vertical adjustment The form that component 730 and lateral adjustments component 740 can be matched using screw-nut, can also use rack-and-pinion to engagement Form, after being driven and locked by electric drive equipment or mechanical handwheel, i.e., using 700 pairs of correspondences of cutting part Tube body is cut off, and realizes stable cutting effect.

If using the form of lead screw transmission longitudinal leadscrew need to be arranged in 710 side of longitudinal rod in vertical adjustment component 730, The movement for driving transverse bar 720 to move up and down is realized by rotation longitudinal leadscrew, and then cutting part 700 is driven to realize upper bottom The adjustment set.Lateral adjustments component 740 needs that horizontal leading screw is arranged in 720 side of transverse bar, is realized by rotation horizontal leading screw Cutting assembly 750 is driven to realize the movement moved horizontally on transverse bar 720.

As further optimization, also referring to Fig. 1 to Fig. 5, on the outside of boiler's tube-plate provided by the utility model A kind of specific embodiment of tube body cutter device, cutting assembly 750 include tool apron 751, for tool apron 751 rotation connection and To the casing 752 extended far from 500 side of lifting part, it is set to 752 periphery of casing and the knife for cutting off tube head outer end face First 753, be set on tool apron 751 and the driving motor 754 that rotates for drive sleeve 752 and be set on tool apron 751 and For drive sleeve 752 along the handwheel 755 of the axial movement of casing 752.The tool apron 751 of cutting assembly 750 can be with transverse bar The adjustment of lateral position is realized between 720, cutter head 753 is set on 752 outer wall of casing, and casing 752 is driven motor 754 Driving can be realized the rotation on circumferencial direction, while control of the casing 752 by handwheel 755, can obtain to boiler 900 1 The axial driving force of side, and then the cutter head 753 by being set to 752 periphery of casing gradually cuts off the outer end face of tube body.Cutter head 753 blade and the outer end face contact of tube body gradually feed to the tube sheet side of boiler and cut off, directly since the outer end face of tube body To reaching at tube sheet, cutting is completed.The outer diameter of casing 752 is less than the internal diameter of tube body, makes knife close to boiler 900 in casing 752 First 753 and tube body outer end face contact when can effectively avoid interfering between casing 752 and tube body, guarantee good to cut Except effect.

As further optimization, also referring to Fig. 1, Fig. 2 and Fig. 6, as boiler's tube-plate provided by the utility model A kind of specific embodiment of outside tube body cutter device, movable stand 300 include the movement for being parallel to the setting of 110 axis of lower guideway Beam 310 runs through moving beam 310 along the vertical direction and is set to the cavity 320 at 310 both ends of moving beam, is set to cavity 320 It the interior and idler wheel 330 that is rotatablely connected with moving beam 310 and is set on moving beam 310 and for driving idler wheel 330 to rotate Driving part 340.The cavity 320 of 310 both ends of moving beam setting is for accommodating idler wheel 330, and idler wheel 330 is used for and lower guideway 110 roll cooperation, to drive the sliding rack 200 of top mobile to the position of required processing, 330 lower part of idler wheel and lower guideway The position protruding of 110 contacts avoids lower guideway while to be that lower guideway 110 contacts in the bottom surface of moving beam 310 Location conflicts are generated between 110 and 310 bottom surface of moving beam, and it is smooth to guarantee that idler wheel 310 rolls above lower guideway 110.

As further optimization, also referring to Fig. 1, Fig. 2 and Fig. 6, as boiler's tube-plate provided by the utility model The axial middle part of a kind of specific embodiment of outside tube body cutter device, idler wheel 330 is equipped with the limit for accommodating lower guideway 110 Position slot 380.The axial middle part of idler wheel 330 is equipped with the limiting slot 380 for accommodating lower guideway 110, the setting energy of limiting slot 380 The enough effective stability for guaranteeing idler wheel 330 during mobile on lower guideway 110, avoids idler wheel 330 from lower guideway 110 Side's abjection.

As further optimization, also referring to Fig. 1, Fig. 2 and Fig. 6, as boiler's tube-plate provided by the utility model A kind of specific embodiment of outside tube body cutter device, driving part 340 include the second electricity for being set to 310 outside of moving beam It machine 350, the first gear 360 affixed with the output end of the second motor 350 and is fixedly arranged on the outside of 330 shaft of idler wheel and with the The second gear 370 of one gear 360 engagement.The output end of second motor 350 drives first gear 360 to be rotated, the first tooth Wheel 360 drives second gear 370 to rotate, and then the idler wheel 330 being coaxially disposed with second gear 370 is driven to rotate, and realizes movement Position of the frame 300 on lower guideway 110 is mobile, realizes its movement for driving top cutting part 700 to reach required cut point.

Tube body cutter device on the outside of boiler's tube-plate provided by the utility model, by using upper rail and lower guideway and sliding The mode that frame combines can fast implement in cutting process and the tube body on the outside of the boiler's tube-plate of different location is carried out precisely The effect of positioning, cutting part drive its sliding in the up-down direction by lifting part, can correspond to different high on boiler The cutting of the tube body of degree has good modulability suitable to adapt to the needs of the tube body of different location on the outside of excision boiler's tube-plate With property, working efficiency is greatly improved, ensure that cutting effect, improves the aesthetics of boiler exterior.

The above is only the preferred embodiments of the present utility model only, is not intended to limit the utility model, all practical at this Made any modifications, equivalent replacements, and improvements etc., should be included in the guarantor of the utility model within novel spirit and principle Within the scope of shield.

Claims (9)

1. tube body cutter device on the outside of boiler's tube-plate, it is characterised in that: including being set to the pot perpendicular to boiler (900) main shaft Lower guideway (110) below furnace (900) side is parallel to the lower guideway (110) and is set to above the lower guideway (110) Upper rail (120) is set between the lower guideway (110) and the upper rail (120) and is respectively used to and the lower guideway (110) and the sliding rack (200) that is slidably connected of the upper rail (120) and be set on the sliding rack (200) and with institute State the cutting part (700) that sliding rack (200) is slidably connected in the up-down direction；The sliding rack (200) include for institute It states lower guideway (110) and rolls to match and merge the movable stand (300) of locking, be symmetrically disposed on the movable stand (300) top and upper end Two columns (400) being slidably connected for the upper rail (120) and be set between two columns (400) and For going up and down the lifting part (500) of the cutting part (700).

2. tube body cutter device on the outside of boiler's tube-plate as described in claim 1, it is characterised in that: the lifting part (500) Including being set on rear side of two columns (400) and being located between two columns (400) and turn with the column (400) The shaft (510) of dynamic connection, is set to the shaft at the first motor (511) for driving the shaft (510) to rotate (510) two sprocket wheels (520) of axial ends, engaged respectively with the sprocket wheel (520) two chains (530), be respectively used to With one end of two chains (530) two affixed sliding sleeves (540) and for two chains (530) it is another It holds affixed clump weight (580), the lower end of the sliding sleeve (540) and the cutting part (700) are affixed.

3. tube body cutter device on the outside of boiler's tube-plate as claimed in claim 2, it is characterised in that: sliding sleeve (540) packet It includes two sleeve assemblies (550) for being respectively used to be slidably connected with two columns (400), be set to two sleeve groups The upper beam (560) affixed between the upper end of part (550) and with the chain (530) and it is set to two sleeve assemblies (550) between lower end and it is used for the lower beam (570) affixed with the cutting part (700).

4. tube body cutter device on the outside of boiler's tube-plate as claimed in claim 3, it is characterised in that: the sleeve assembly (550) Including for being slidably connected with the column (400) upper bush (551), be set to below the upper bush (551) and with institute State lower sleeve (552) that column (400) is slidably connected and for connecting the upper bush (551) and the lower sleeve (552) Connecting upright pole (553).

5. tube body cutter device on the outside of boiler's tube-plate as described in claim 1, it is characterised in that: the cutting part (700) Including being used for the pedestal plate (760) affixed with the lifting part (500) lower end outside, being set to the pedestal plate (760) Longitudinal rod (710), perpendicular to the longitudinal rod (710) setting transverse bar (720), be set to the longitudinal rod (710) with Match between the transverse bar (720) and for sliding the transverse bar (720) in the up-down direction with the longitudinal rod (710) The vertical adjustment component (730) of conjunction is set on the transverse bar (720) and cuts with what the transverse bar (720) was slidably connected It cuts component (750) and is set between the transverse bar (720) and the cutting assembly (750) and is used to make the cutting group The lateral adjustments portion that part (750) is slidably matched in parallel transverse bar (720) axially direction with the transverse bar (720) Part (740).

6. tube body cutter device on the outside of boiler's tube-plate as claimed in claim 5, it is characterised in that: the cutting assembly (750) Including tool apron (751), for being rotatablely connected with the tool apron (751) and to far from the extension of the lifting part (500) side Casing (752), is set to the knife at the cutter head (753) for being set to described sleeve pipe (752) periphery and being used to cut off tube head outer end face On seat (751) and for driving the driving motor (754) of described sleeve pipe (752) rotation and being set to the tool apron (751) And for driving handwheel (755) of the described sleeve pipe (752) along the axial movement of described sleeve pipe (752).

7. tube body cutter device on the outside of boiler's tube-plate as described in claim 1, it is characterised in that: movable stand (300) packet Include and be parallel to the moving beam (310) of the lower guideway (110) axis setting, along the vertical direction through the moving beam (310) and Be set to the cavity (320) at the moving beam (310) both ends, be set in the cavity (320) and with the moving beam (310) be rotatablely connected idler wheel (330) and be set on the moving beam (310) and for drive the idler wheel (330) turn Dynamic driving part (340).

8. tube body cutter device on the outside of boiler's tube-plate as claimed in claim 7, it is characterised in that: the axis of the idler wheel (330) The limiting slot (380) for accommodating the lower guideway (110) is equipped with to middle part.

9. tube body cutter device on the outside of boiler's tube-plate as claimed in claim 8, it is characterised in that: the driving part (340) Including being set to the second motor (350) on the outside of the moving beam (310), affixed with the output end of second motor (350) First gear (360) and being fixedly arranged on engage on the outside of the idler wheel (330) shaft and with the first gear (360) the Two gears (370).