Cutting device for header short pipe joint

Abstract

The utility model relates to the technical field of wall short pipe joint cutting, in particular to a header short pipe joint cutting device which is used for cutting a short pipe joint on a header and comprises a cart underframe, and a grinding wheel cutting mechanism used for cutting the short pipe joint is installed on a lifting table. A lifting mechanism used for pushing the lifting table to ascend or descend is arranged on the cart bottom frame, a guide mechanism is installed on the side face of the lifting table, and in the process of pushing the cart bottom frame to move, the guide mechanism can slide on the collecting box to play a guide role, so that the abrasive wheel cutting mechanism does not deviate when cutting the short pipe joint. In the process that the trolley chassis is moved to drive the abrasive wheel cutting mechanism to move, the guide mechanism can slide on the collecting box, the moving track of the trolley chassis is guided, the abrasive wheel cutting mechanism cannot deviate when cutting short pipe joints, the situation that the cut short pipe joints are different in length is avoided, and the cutting quality is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to short pipe joint cutting technical field especially relates to a header short pipe joint cutting device. BACKGROUND

[0002] Header short pipe joint refers to the part connected with short pipe on the boiler header, they are the important component part in the boiler system, responsible for connecting each part of the boiler, in the process of actual use, because the length of short pipe joint is longer, needs cutting device to cut short pipe joint to the specific length to satisfy the use demand.

[0003] But the existing cutting device is easy to appear deviation in the process of moving cutting device when cutting short pipe joint on the header, causes the short pipe joint of cutting out once to be easy to appear the problem of unequal length, has affected the quality of cutting, has brought the inconvenience for the subsequent use. UTILITY MODEL CONTENTS

[0004] Therefore, the utility model provides a header short pipe joint cutting device to solve the problem that the existing cutting device is easy to deviate when moving.

[0005] In order to achieve the above purpose, the utility model provides a header short pipe joint cutting device for cutting short pipe joint on the header, which comprises a trolley chassis, and the bottom of the trolley chassis is provided with a roller, further comprising a lifting platform, the lifting platform is installed with a grinding wheel cutting mechanism for cutting short pipe joint, and the trolley chassis is provided with a lifting mechanism for pushing the lifting platform to rise or fall.

[0006] The side surface of the lifting platform is installed with a guide mechanism, which can slide on the header during the movement of the trolley chassis, and plays a guiding role to prevent deviation of the grinding wheel cutting mechanism during cutting of the short pipe joint.

[0007] Preferably, the grinding wheel cutting mechanism comprises a base installed on the lifting platform, the base is rotatably connected with a support seat, the support seat is installed with a grinding wheel motor and a grinding wheel roller, the output end of the grinding wheel motor and the grinding wheel roller are driven by a belt, and the end of the grinding wheel roller is installed with a grinding wheel, and the grinding wheel roller is further installed with a pressing handle.

[0008] Preferably, the scissor frame comprises two mutually hinged connecting rods, the bottom end and the top end of the connecting rod one are hinged on the trolley chassis and the lifting platform respectively, the bottom end and the top end of the connecting rod two are both rotatably connected with pulleys through a pin shaft, and the pulleys are slidingly connected with the trolley chassis or the lifting platform, the two connecting rod twos are fixedly connected with a support rod, and the two ends of the hydraulic cylinder are hinged with the trolley chassis and the support rod respectively.

[0009] Preferably, the trolley chassis is further provided with a pressurizing foot pedal and a pressure releasing handle, the pressurizing foot pedal is used for controlling the pressurization of the hydraulic cylinder, and the pressure releasing handle is used for controlling the pressure release of the hydraulic cylinder.

[0010] Preferably, the guide mechanism comprises a sleeve one, the sleeve one is fixedly connected with the lifting platform through a connecting rod, a sleeve rod one is slidingly arranged in the sleeve one, a locking bolt one is fixedly connected with the sleeve rod one, a through slot one is formed in the sleeve one and the locking bolt one penetrates through the through slot one, and a nut one is threadedly connected with the locking bolt one and abuts against the sleeve one.

[0011] The end of the sleeve rod one is fixedly connected with a sleeve two, a sleeve rod two is slidingly connected in the sleeve two, a locking bolt two is fixedly connected with the sleeve rod two, a through slot two is formed in the sleeve two and the locking bolt two penetrates through the through slot two, and a nut two is threadedly connected with the locking bolt two and abuts against the sleeve two, the bottom end of the sleeve rod two is fixedly connected with an arc-shaped plate matched with the header tank, and a plurality of rolling balls are rollingly arranged in the arc-shaped plate.

[0012] The utility model discloses a kind of header tank short pipe joint cutting devices, by setting lifting mechanism, the height of abrasive wheel cutting mechanism can be adjusted to the height corresponding to short pipe joint, subsequent push trolley chassis is facilitated to cut short pipe joint on header tank, and by the setting of guide mechanism, in the process that abrasive wheel cutting mechanism is moved by moving trolley chassis, guide mechanism can slide on header tank, the movement track of trolley chassis is guided, so that abrasive wheel cutting mechanism does not appear deviation when cutting short pipe joint, avoid the situation that cut short pipe joint appears long and short, improve cutting quality. BRIEF DESCRIPTION OF DRAWINGS

[0013] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the following embodiment or prior art description will be briefly introduced. Obviously, the drawings in the following description are only embodiments of the present application, and those skilled in the art can also obtain other drawings according to these drawings without creating any creative labor.

[0014] Figure 1 It is a structure schematic view when the cutting device of the utility model embodiment cuts short pipe joint.

[0015] Figure 2 It is a structural schematic view of the cutting device of the embodiment of the utility model;

[0016] Figure 3 It is a structural schematic view of the guiding mechanism of the embodiment of the utility model.

[0017] In the figure: 1, header; 2, short pipe joint; 3, trolley chassis; 4, lifting platform; 5, grinding wheel cutting mechanism; 51, base; 52, support seat; 53, grinding wheel motor; 54, grinding wheel roller; 55, grinding wheel; 56, pressing handle; 6, lifting mechanism; 61, scissor frame; 62, hydraulic cylinder; 63, connecting rod one; 64, connecting rod two; 65, pulley; 66, booster foot pedal; 67, pressure relief handle; 7, guiding mechanism; 71, sleeve one; 72, sleeve rod one; 73, locking bolt one; 74, sleeve two; 75, sleeve rod two; 76, locking bolt two; 77, arc plate. DETAILED DESCRIPTION

[0018] In order to make the purpose, technical scheme and advantages of the utility model more clearly and clearly, the following will be combined with specific embodiments, and the utility model is further explained in detail with reference to the drawings.

[0019] It should be noted that, unless otherwise defined, the technical terms or scientific terms used in the embodiments of the utility model should be understood as the usual meaning understood by persons skilled in the art to which the utility model belongs. The "first", "second" and similar words used in the utility model do not represent any order, quantity or importance, but are only used to distinguish different components. "Include" or "contain" and similar words mean that the elements or objects before the word cover the elements or objects listed after the word and their equivalents, without excluding other elements or objects. "Connection" or "connection" and similar words are not limited to physical or mechanical connection, but can include electrical connection, whether direct or indirect. "Up", "down", "left", "right" and the like are only used to represent the relative positional relationship, when the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0020] As Figure 1 , Figure 2 , Figure 3 As shown in the figure, a kind of header short pipe joint cutting device, for cutting short pipe joint 2 on header 1, including trolley chassis 3, and the bottom of trolley chassis 3 is provided with roller, further including lifting platform 4, lifting platform 4 is installed with the grinding wheel cutting mechanism 5 for cutting short pipe joint 2, trolley chassis 3 is provided with lifting mechanism 6 for pushing lifting platform 4 to rise or descend;

[0021] The side of the lifting platform 4 is provided with a guide mechanism 7, which can slide on the collecting box 1 during the movement of the trolley base 3, and plays a guiding role to prevent the deviation of the grinding wheel cutting mechanism 5 during the cutting of the pipe joint 2.

[0022] When the pipe joint 2 needs to be cut, the collecting box 1 with the pipe joint 2 to be cut is placed horizontally on the stool, so that the pipe joint 2 on the collecting box 1 is adjusted to be horizontally placed, then the height of the grinding wheel cutting mechanism 5 is adjusted by the lifting mechanism 6, so that the height of the grinding wheel cutting mechanism 5 is adapted to the pipe joint 2, then the trolley base 3 is moved and the guide mechanism 7 is adjusted according to the length requirement of the pipe joint 2, so that the guide mechanism 7 is slidably connected with the surface of the collecting box 1, and the guide mechanism 7 plays a guiding role to the trolley base 3 and the grinding wheel cutting mechanism 5 during the movement of the trolley base 3, so that the grinding wheel cutting mechanism 5 does not deviate during the cutting of the pipe joint 2, and the length difference of the cut pipe joint 2 is avoided, and the cutting quality is improved.

[0023] In one preferred embodiment of the utility model, the grinding wheel cutting mechanism 5 includes the base 51 installed on the lifting platform 4, the support seat 52 is rotatably connected on the base 51, and the torsional spring (not shown in the figure) is arranged at the rotatable connection of the base 51 and the support seat 52, through the arrangement of the torsional spring, it is convenient to cut the pipe joint 2 by pressing the handle 56 to press down the grinding wheel 55 to cut the pipe joint 2, and after the cutting is completed, under the action of the restoring force of the torsional spring itself, the grinding wheel 55 and the grinding wheel motor 53 can be restored to the initial position, the grinding wheel motor 53 and the grinding wheel roller 54 are installed on the support seat 52, the output end of the grinding wheel motor 53 and the grinding wheel roller 54 are driven by the belt, the end of the grinding wheel roller 54 is provided with the grinding wheel 55, and the handle 56 is also installed on the grinding wheel roller 54.

[0024] In another preferred embodiment of the utility model, the lifting mechanism 6 includes two scissor frames 61 arranged between the trolley base 3 and the lifting platform 4, and the hydraulic cylinder 62 is arranged on the trolley base 3 and used to drive the scissor frames 61 to move close to each other or apart.

[0025] The scissor frame 61 includes two hingedly connected connecting rods one 63 and connecting rods two 64, the bottom end and the top end of the connecting rod one 63 are hingedly connected to the trolley base 3 and the lifting platform 4 respectively, the bottom end and the top end of the connecting rod two 64 are rotatably connected with the pulley 65 through the pin shaft, and the pulley 65 is slidably connected with the trolley base 3 or the lifting platform 4, the support rod is fixedly connected between the two connecting rods two 64, and the two ends of the hydraulic cylinder 62 are hingedly connected with the trolley base 3 and the support rod respectively.

[0026] The trolley base frame 3 is further provided with a pressurizing foot pedal 66 and a pressure releasing handle 67, the pressurizing foot pedal 66 is used for controlling the pressurization of the hydraulic cylinder 62, and the pressure releasing handle 67 is used for controlling the pressure release of the hydraulic cylinder 62.

[0027] When the height of the grinding wheel 55 needs to be adjusted, the pressurizing foot pedal 66 is stepped on to pressurize the hydraulic cylinder 62, so that the output end of the hydraulic cylinder 62 is extended to push the supporting rod to rise, the bottom end and the top end of the connecting rod two 64 are respectively slid on the trolley base frame 3 and the lifting platform 4, so that the two bottom ends and the two top ends of the scissor frame 61 are close to each other, thereby pushing the lifting platform 4 to rise, and the height of the grinding wheel 55 can be adjusted, so that the grinding wheel 55 is adjusted to the height suitable for the short pipe joint.

[0028] In another preferred embodiment of the utility model, the guide mechanism 7 includes sleeve one 71, sleeve one 71 is fixedly connected on lifting platform 4 through connecting rod, sleeve one 71 is slidably provided with sleeve rod one 72 in, sleeve rod one 72 is fixedly connected with locking bolt one 73, and the through slot one is formed in sleeve one 71 for locking bolt one 73 to pass through, and the nut one is threadedly connected with sleeve one 71 on locking bolt one 73 and abuts against each other;

[0029] The end of sleeve rod one 72 is fixedly connected with sleeve two 74, sleeve two 74 is slidably connected with sleeve rod two 75 in, sleeve rod two 75 is fixedly connected with locking bolt two 76, and the through slot two is formed in sleeve two 74 for locking bolt two 76 to pass through, and the nut two is threadedly connected with sleeve two 74 on locking bolt two 76 and abuts against each other, the bottom end of sleeve rod two 75 is fixedly connected with the arc plate 77 matched with the header 1, and a plurality of rolling balls are rollingly arranged in the arc plate 77.

[0030] The height of the grinding wheel 55 is adjusted by the lifting mechanism 6, so that the grinding wheel 55 is above the short pipe joint 2, according to the length requirement of the short pipe joint 2 cutting, the cutting machine is moved to align the grinding wheel 55 on the grinding machine with the cutting line, then the nut one is loosened, the sleeve rod one 72 is fixed and extended, so that the arc plate 77 is moved above the header 1, then the nut one is tightened to fix the sleeve rod one 72, then the nut two is loosened, the sleeve rod two 75 is moved, so that the arc plate 77 is attached to the header 1, then the nut two is tightened to fix the sleeve rod two 75, the rolling balls reduce the friction between the arc plate 77 and the header 1, so that the guide mechanism 7 can guide the trolley base frame 3 and the grinding wheel cutting mechanism 5 during the movement of the trolley base frame 3, so that the grinding wheel cutting mechanism 5 does not deviate during cutting the short pipe joint 2, avoiding the length of the cut short pipe joint 2 being not uniform, improving the cutting quality.

[0031] Those skilled in the art should understand that the discussion of any of the above embodiments is merely exemplary and is not intended to suggest that the scope of the present application is limited to these examples; the above embodiments or technical features among different embodiments can also be combined, steps can be implemented in any order, and there are many other changes to the different aspects of the present application as described above, which are not provided in detail for the sake of brevity.

[0032] Embodiments of the present application are intended to cover all such alternatives, modifications, and variations as fall within the broad scope of the appended claims. Accordingly, any and all such alternatives, modifications, equivalents, improvements and the like are intended to be encompassed by the present application.

Claims

1. A header pipe joint cutting device for cutting a pipe joint (2) on a header (1), comprising a trolley chassis (3), and the bottom of the trolley chassis (3) is provided with a roller, characterized in that, Also include lifting platform (4), the lifting platform (4) is installed on the sand wheel cutting mechanism (5) for cutting short pipe joint (2), the trolley chassis (3) is provided with lifting mechanism (6) for pushing the lifting platform (4) to rise or fall; The side of the lifting platform (4) is provided with a guide mechanism (7), which can slide on the header (1) during the movement of the trolley chassis (3), and can guide the sand wheel cutting mechanism (5) during cutting the short pipe joint (2).

2. A header spool joint cutting device according to claim 1, wherein, The sand wheel cutting mechanism (5) comprises a base (51) mounted on the lifting platform (4), the base (51) is rotatably connected with a support seat (52), the support seat (52) is provided with a sand wheel motor (53) and a sand wheel roller (54), the output end of the sand wheel motor (53) and the sand wheel roller (54) are driven by a belt, and the end of the sand wheel roller (54) is provided with a sand wheel (55), and the sand wheel roller (54) is further provided with a pressing handle (56).

3. A header spool joint cutting device as defined in claim 1, wherein, The lifting mechanism (6) comprises two scissors frames (61) arranged between the trolley chassis (3) and the lifting platform (4), and the trolley chassis (3) is provided with a hydraulic cylinder (62) for pushing the scissors frames (61) to approach or separate.

4. A header spool joint cutting apparatus as defined in claim 3, wherein, The scissors frame (61) comprises two mutually hinged connecting rods (63) and (64), the bottom end and the top end of the connecting rod (63) are hingedly connected to the trolley chassis (3) and the lifting platform (4) respectively, the bottom end and the top end of the connecting rod (64) are rotatably connected with a pulley (65) through a pin shaft, and the pulley (65) is slidably connected with the trolley chassis (3) or the lifting platform (4), two connecting rods (64) are fixedly connected with a support rod, and the two ends of the hydraulic cylinder (62) are hingedly connected with the trolley chassis (3) and the support rod respectively.

5. A header stub joint cutting apparatus as defined in claim 4, wherein, The trolley chassis (3) is further provided with a booster pedal (66) and a pressure relief handle (67), the booster pedal (66) is used to control the pressure increase of the hydraulic cylinder (62), and the pressure relief handle (67) is used to control the pressure relief of the hydraulic cylinder (62).

6. A header spool joint cutting apparatus as defined in claim 1, wherein, The guide mechanism (7) comprises a sleeve (71), the sleeve (71) is fixedly connected to the lifting platform (4) through a connecting rod, a sleeve rod (72) is slidably arranged in the sleeve (71), a locking bolt (73) is fixedly connected to the sleeve rod (72), a through groove (71) is formed in the sleeve (71) for the locking bolt (73) to pass through, and a nut (73) is threadedly connected to the locking bolt (73) and abuts against the sleeve (71). The end of the sleeve rod one (72) is fixedly connected with a sleeve two (74), the sleeve two (74) is slidably connected with a sleeve rod two (75), the sleeve rod two (75) is fixedly connected with a locking bolt two (76), and the sleeve two (74) is provided with a through slot two for the locking bolt two (76) to penetrate, and the locking bolt two (76) is threadedly connected with a nut two abutting against the sleeve two (74), and the bottom end of the sleeve rod two (75) is fixedly connected with an arc-shaped plate (77) matched with the header (1), and a plurality of rolling balls are arranged in the arc-shaped plate (77).

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