阅读说明：本技术 铁路绝缘接头肥边切割机 (Fat edge cutting machine for railway insulation joint ) 是由 孔超 赵亢 王洋洋 刘鸿 孔颖 唐翟 齐宏成 何伟 于 2021-07-22 设计创作，主要内容包括：本发明提供了一种铁路绝缘接头肥边切割机,属于铁路维护设备技术领域,包括连接支架、调节支架和切割机构,连接支架用于固定在钢轨上,且设有沿钢轨周向设置的弧形轨道；调节支架一端与弧形轨道滑动连接,且具有沿钢轨径向运动的自由度；切割机构与调节支架另一端连接,用于通过调节支架将切割机构的切割部调节至预设位置后对钢轨的肥边进行切割。本发明能够任意调节切割机构的角度,不会受到肥边倾斜面的影响,能够比较精确地对肥边进行切割,获得较好的切割效果,且切割时不会受到工人抖动等因素的影响,切割更加稳定,能够降低割坏母材和绝缘片的可能,也能降低切割机构损坏伤人的风险,提高作业的安全性和效率。(The invention provides a fat edge cutting machine for a railway insulation joint, which belongs to the technical field of railway maintenance equipment and comprises a connecting bracket, an adjusting bracket and a cutting mechanism, wherein the connecting bracket is used for being fixed on a steel rail and is provided with an arc-shaped track arranged along the circumferential direction of the steel rail; one end of the adjusting bracket is connected with the arc-shaped track in a sliding way and has the freedom degree of moving along the radial direction of the steel rail; the cutting mechanism is connected with the other end of the adjusting support and used for adjusting the cutting part of the cutting mechanism to a preset position through the adjusting support and then cutting the fat edge of the steel rail. The angle of the cutting mechanism can be adjusted at will, the cutting mechanism is not influenced by the fat edge inclined plane, the fat edge can be cut accurately, a better cutting effect is obtained, the cutting mechanism is not influenced by factors such as shaking of workers during cutting, the cutting is more stable, the possibility of cutting the base metal and the insulating sheet is reduced, the risk that the cutting mechanism is damaged and hurts people is reduced, and the safety and the efficiency of operation are improved.)

1. The utility model provides a railway insulation connects fat limit cutting machine which characterized in that includes:

the connecting bracket is used for being fixed on the steel rail (70) and is provided with an arc-shaped track (11) arranged along the circumferential direction of the steel rail (70);

one end of the adjusting bracket is connected with the arc-shaped track (11) in a sliding manner and has the freedom degree of radial movement along the steel rail (70);

and the cutting mechanism is connected with the other end of the adjusting bracket and is used for adjusting the cutting part of the cutting mechanism to a preset position through the adjusting bracket and then cutting the fat edge of the steel rail (70).

2. The railway insulated joint fat edge cutter as claimed in claim 1, wherein: the connecting bracket comprises a connecting body (12), a plurality of buckling claws (13), a plurality of fasteners (14) and the arc-shaped track (11); the connecting body (12) is attached to the upper surface of the rail head of the steel rail (70); the arc-shaped track (11) is arranged on the connecting body (12); the buckling claws (13) are respectively arranged at two sides of the connecting body (12) and respectively extend to the lower part of the rail head of the steel rail (70); the fasteners (14) correspond to the connecting bodies (12) one by one, are matched with the connecting bodies (12), and are used for fixing the connecting bodies (12) on the rail heads of the steel rails (70).

3. The railway insulated joint fat edge cutter as claimed in claim 2, wherein: the connecting bracket further comprises a friction wheel (15) and an adjusting button (16), wherein the friction wheel (15) is rotatably arranged on the connecting body (12) or the buckling claw (13), and the outer edge of the friction wheel is used for being in surface contact with the steel rail (70); the adjusting button (16) is connected with the friction wheel (15) and used for driving the friction wheel (15) to rotate so as to drive the connecting body (12) to axially move on the steel rail (70) along the steel rail (70) to finely adjust the position of the arc-shaped track (11).

4. The railway insulated joint fat edge cutter as claimed in claim 3, wherein: the friction wheels (15) are arranged on the two sides of the connecting support, and the friction wheels (15) on the two sides of the connecting support clamp the steel rail (70); the outer edge of the friction wheel (15) is provided with an elastic anti-slip rubber cushion layer; the adjusting button (16) is provided with scale marks; the arc-shaped track (11) and the buckling claw (13) are fixedly connected or detachably connected with the connecting body (12); the fastening piece (14) comprises a fastening bolt, a screw hole matched with the fastening bolt is formed in the buckling claw (13), the fastening bolts on two sides of the connecting body (12) penetrate through the screw hole and then are abutted against the steel rail (70), and the connecting body (12) is pressed and fixed on the steel rail (70); the fastening bolt is obliquely arranged and is used for abutting against an inclined surface at the lower part of the rail head of the steel rail (70) so as to tightly push the connecting body (12) and the steel rail (70); the arc-shaped rails (11) are arranged in two groups in parallel.

5. The railway insulated joint fat edge cutter as claimed in claim 1, wherein: the adjusting bracket comprises a sliding connecting seat (21) and a slideway (22); the sliding connection seat (21) is in sliding connection with the arc-shaped track (11); the slide way (22) is arranged along the radial direction of the steel rail (70), and one end of the slide way is connected with the sliding connection seat (21); the cutting mechanism is arranged on the slide way (22) in a sliding mode.

6. The railway insulated joint fat edge cutter as claimed in claim 5, wherein: the railway insulation joint fat edge cutting machine further comprises a locking assembly used for fixing the sliding connection seat (21) on the arc-shaped track (11); the arc-shaped track (11) comprises an arc-shaped rack arranged on the connecting bracket, and the locking assembly comprises a toothed block (41), a lever (42) and a pressing button (43); the tooth block (41) is of a ferromagnetic structure, is connected with the sliding connection seat (21) in a sliding manner and is provided with teeth matched with the arc-shaped rack; the middle part of the lever (42) is rotationally connected with the sliding connection seat (21), and one end of the lever is connected with the tooth block (41); the pressing button (43) is arranged at the other end of the lever (42); the two sides of the arc-shaped track (11) are provided with sliding grooves along the axis direction of the arc-shaped track (11), and the two sides of the sliding connecting seat (21) are provided with sliding blocks matched with the sliding grooves.

7. The railway insulated joint fat edge cutter as claimed in claim 5, wherein: the adjusting bracket further comprises an elastic piece (23) arranged between the sliding connecting seat (21) and the cutting mechanism, and the elastic piece (23) is used for providing elastic force for pushing the cutting mechanism to move outwards; the railway insulation joint fat edge cutting machine further comprises a pinch roller assembly, wherein the pinch roller assembly is arranged at the outer end of the slide way (22) and used for pushing the cutting mechanism to move inwards along the slide way (22).

8. The railway insulated joint fat edge cutter as claimed in claim 7, wherein: the pinch roller assembly comprises an eccentric wheel (51) and a rotating handle (52); the eccentric wheel (51) is rotatably connected with the upper part of the slideway (22), and the edge of the eccentric wheel is used for abutting against the cutting mechanism; the rotating handle (52) is coaxially connected with the eccentric wheel (51) and is used for driving the eccentric wheel (51) to rotate, further extruding the cutting mechanism through the edge of the eccentric wheel (51) and enabling the cutting mechanism to slide to the steel rail (70) along the slideway (22) so as to cut the steel rail (70); the eccentric wheels (51) are arranged in a plurality of groups in parallel, and the edge of each group of eccentric wheels (51) is abutted against the cutting mechanism; the pinch roller assembly further comprises a rotating shaft (53), and the rotating shaft (53) is fixedly connected with the center of each group of eccentric wheels (51) respectively; the eccentric wheel (51) is connected with the upper part of the slide way (22) in a rotating mode through the rotating shaft (53), and the rotating handle (52) is detachably connected with the rotating shaft (53).

9. The railway insulated joint fat edge cutter as claimed in claim 1, wherein: the railway insulation joint fat edge cutting machine further comprises a cooling mechanism for cooling the cutting part; the cooling mechanism comprises a telescopic bracket (61), a water bottle (62), a conduit (63) and a secondary bracket (64); the telescopic support (61) has the freedom degree of axial extension, the lower end of the telescopic support is detachably connected with the connecting support, and the upper end of the telescopic support (61) extends upwards; the water bottle (62) is hung at the upper end of the telescopic bracket (61) and is used for containing cooling liquid; one end of the auxiliary bracket (64) is connected with the telescopic bracket (61) or the connecting bracket, and the other end of the auxiliary bracket extends to the cutting part; one end of the conduit (63) is connected with the water bottle (62), and the other end of the conduit is connected with the other end of the auxiliary bracket (64) and is used for spraying cooling liquid to the cutting part.

10. The railway insulated joint fat edge cutter as claimed in claim 9, wherein: the cutting mechanism comprises a shell (31), a power assembly, a transmission shaft (32), a saw blade (33) and a protective cover (34); the shell (31) is connected with the adjusting bracket; the power assembly is arranged in the shell (31) and used for providing power; the power supply assembly is arranged in the shell (31), is electrically connected with the power assembly and is used for supplying electric power to the power assembly; one end of the transmission shaft (32) is connected with the power output end of the power assembly, and the other end of the transmission shaft extends to the outside of the shell (31); the saw blade (33) is connected with the other end of the transmission shaft (32) and is driven by the power assembly to rotate so as to cut the fat edge of the steel rail (70); the protective cover (34) is arranged on the periphery of the saw blade (33) and connected with the shell (31); the conduit (63) extends inside the shield (34) for spraying a cooling liquid onto the saw blade (33).

Technical Field

The invention belongs to the technical field of railway maintenance equipment, and particularly relates to a fat edge cutting machine for a railway insulation joint.

Background

The rail insulated joint is a rail joint for cutting off a track circuit. The clamp plate, steel rail, bolt and two ends of connecting rail are insulated by insulating material. The railway rail insulation joint is an important component of a railway signal transmission system and directly influences the passing operation of a train. When the insulated joint is used for a long time, the steel rail is frequently rolled by wheels, and the top edge or the side edge of the end part of the rail head can deform to form a fat edge; once the fat edge is too large, the insulating part is extruded and deformed, so that the steel rail is electrified, a red light band is caused, and the right-spot running of the train and the time limit of the skylight cashing are influenced.

The prior insulating joint fat edge is difficult to treat, and the prior main treatment mode of the insulating joint fat edge is as follows: firstly, the raw materials are sawed off by a saw, and the defects of low speed, irregular cutting edges, unattractive cut and easy secondary formation of fat edges are overcome; secondly, the insulation sheet is easy to damage, the insulation effect is reduced, more or less polishing is easy, and the polishing quality is greatly influenced by the skill level of a polisher; thirdly, an ultrathin grinding wheel is used for cutting, the defect is that a damaged base material is easy to cut, and because the fat edge is inclined, the grinding wheel is easy to deflect due to factors such as shaking of workers during operation, so that the cutting opening is uneven, the insulating sheet is damaged, the grinding wheel can burst in serious conditions, and the risk of hurting people is caused. Therefore, the above methods cannot treat the fat edge of the insulated joint well.

Disclosure of Invention

The invention aims to provide a fat edge cutting machine for a railway insulated joint, which aims to solve the technical problem that the fat edge of a steel rail insulated joint is difficult to process in the prior art.

In order to achieve the purpose, the invention adopts the technical scheme that: the fat edge cutting machine for the railway insulation joint comprises a connecting support, an adjusting support and a cutting mechanism, wherein the connecting support is used for being fixed on a steel rail and is provided with an arc-shaped track arranged along the circumferential direction of the steel rail; one end of the adjusting bracket is connected with the arc-shaped track in a sliding way and has the freedom degree of moving along the radial direction of the steel rail; the cutting mechanism is connected with the other end of the adjusting support and used for adjusting the cutting part of the cutting mechanism to a preset position through the adjusting support and then cutting the fat edge of the steel rail.

In one possible implementation, the connecting bracket comprises a connecting body, a plurality of buckling claws, a plurality of fasteners and an arc-shaped track; the connector is attached to the upper surface of the rail head of the steel rail; the arc-shaped track is arranged on the connecting body; the buckling claws are respectively arranged at two sides of the connecting body and respectively extend to the lower part of the rail head of the steel rail; the fasteners are in one-to-one correspondence with the connectors and are matched with the connectors for fixing the connectors on the rail heads of the steel rails.

In a possible implementation manner, the connecting bracket further comprises a friction wheel and an adjusting button, the friction wheel is rotatably arranged on the connecting body or the buckling claw, and the outer edge of the friction wheel is used for contacting with the surface of the steel rail; the adjusting button is connected with the friction wheel and used for driving the friction wheel to rotate and further driving the connecting body to move on the steel rail along the axial direction of the steel rail so as to finely adjust the position of the arc-shaped track.

In one possible implementation mode, friction wheels are arranged on two sides of the connecting support, and the friction wheels on two sides of the connecting support clamp the steel rail; the outer edge of the friction wheel is provided with an elastic anti-skidding rubber cushion layer; the adjusting button is provided with scale marks; the arc-shaped track and the buckling claw are fixedly connected or detachably connected with the connecting body; the fastening piece comprises a fastening bolt, the fastening claw is provided with a screw hole matched with the fastening bolt, and the fastening bolts on two sides of the connecting body penetrate through the screw hole and then are abutted against the steel rail so as to tightly press and fix the connecting body on the steel rail; the fastening bolt is obliquely arranged and is used for abutting against an inclined surface at the lower part of the rail head of the steel rail so as to tightly push the connecting body and the steel rail; the arc tracks are two groups which are arranged in parallel.

In one possible implementation, the adjusting bracket comprises a sliding connection seat and a slide way; the sliding connection base is connected with the arc-shaped track in a sliding manner; the slideway is arranged along the radial direction of the steel rail, and one end of the slideway is connected with the sliding connecting seat; the cutting mechanism is arranged on the slideway in a sliding manner.

In one possible implementation manner, the railway insulation joint fat edge cutting machine further comprises a locking assembly for fixing the sliding connection seat on the arc-shaped track; the arc-shaped track comprises an arc-shaped rack arranged on the connecting support, and the locking assembly comprises a tooth block, a lever and a pressing button; the tooth block is of a ferromagnetic structure, is connected with the sliding connecting seat in a sliding manner and is provided with teeth matched with the arc-shaped rack; the middle part of the lever is rotationally connected with the sliding connection seat, and one end of the lever is connected with the tooth block; the pressing button is arranged at the other end of the lever; the arc track both sides are equipped with the spout along the orbital axis direction of arc, and sliding connection seat both sides are equipped with the slider with spout complex.

In a possible implementation manner, the adjusting bracket further comprises an elastic piece arranged between the sliding connecting seat and the cutting mechanism, and the elastic piece is used for providing elastic force for pushing the cutting mechanism to move outwards; the railway insulation joint fat edge cutting machine further comprises a pressing wheel assembly, wherein the pressing wheel assembly is arranged at the outer end of the slide way and used for pushing the cutting mechanism to move inwards along the slide way.

In one possible implementation, the pinch roller assembly includes an eccentric wheel and a rotating handle; the eccentric wheel is rotatably connected with the upper part of the slideway, and the edge of the eccentric wheel is used for abutting against the cutting mechanism; the rotating handle is coaxially connected with the eccentric wheel and used for driving the eccentric wheel to rotate, further extruding the cutting mechanism through the edge of the eccentric wheel, and enabling the cutting mechanism to slide to the steel rail along the slideway so as to cut the steel rail.

In one possible implementation mode, the eccentric wheels are a plurality of groups arranged in parallel, and the edge of each group of eccentric wheels is abutted against the cutting mechanism; the pinch roller assembly also comprises a rotating shaft which is fixedly connected with the center of each group of eccentric wheels; the eccentric wheel is rotatably connected with the upper part of the slideway through a rotating shaft, and the rotating handle is detachably connected with the rotating shaft.

In one possible implementation manner, the railway insulated joint fat edge cutting machine further comprises a cooling mechanism for cooling the cutting part; the cooling mechanism comprises a telescopic bracket, a water bottle, a conduit and an auxiliary bracket; the telescopic bracket has the freedom degree of axial extension, the lower end of the telescopic bracket is detachably connected with the connecting bracket, and the upper end of the telescopic bracket extends upwards; the water bottle is hung at the upper end of the telescopic bracket and is used for containing cooling liquid; one end of the auxiliary bracket is connected with the telescopic bracket or the connecting bracket, and the other end of the auxiliary bracket extends to the cutting part; one end of the conduit is connected with the water bottle, and the other end of the conduit is connected with the other end of the auxiliary bracket, and is used for spraying cooling liquid to the cutting part.

In one possible implementation, the cutting mechanism includes a housing, a power assembly, a drive shaft, a saw blade, and a shield; the shell is connected with the adjusting bracket; the power assembly is arranged in the shell and used for providing power; the power supply assembly is arranged in the shell, is electrically connected with the power assembly and is used for supplying power to the power assembly; one end of the transmission shaft is connected with the power output end of the power assembly, and the other end of the transmission shaft extends to the outside of the shell; the saw blade is connected with the other end of the transmission shaft and is driven by the power assembly to rotate so as to cut the fat edge of the steel rail; the protective cover is arranged on the periphery of the saw blade and is connected with the shell; the guide pipe extends to the interior of the protective cover and is used for spraying cooling liquid onto the saw blade.

The fat edge cutting machine for the railway insulation joint provided by the invention has the beneficial effects that: compared with the prior art, the cutting device has the advantages that when the cutting device is used, the connecting support is fixed on the steel rail, then the adjusting support slides on the arc-shaped track, the cutting mechanism is aligned to the most protruding part of the fat edge, and finally the adjusting support is used for driving the cutting mechanism to move along the radial direction of the steel rail to cut the fat edge; through the orbital cooperation of regulation support and arc like this, can adjust cutting mechanism's angle wantonly, make cutting mechanism aim at fat limit most convex position, and can not receive the influence on fat limit inclined plane, can cut fat limit relatively accurately, obtain better cutting effect, and can not receive the influence of factors such as workman's shake during the cutting, the cutting is more stable, can reduce the possibility of cutting bad parent metal and insulating piece, also can reduce cutting mechanism and damage the risk of hindering the people, the security and the efficiency of operation improve.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

FIG. 1 is a schematic front view of a fat edge cutting machine for a railway insulation joint, according to an embodiment of the present invention;

FIG. 2 is a schematic partial rear view of a fat edge cutting machine for a railway insulation joint according to an embodiment of the present invention;

fig. 3 is a schematic side view of a railway insulated joint fat edge cutting machine according to an embodiment of the present invention.

Wherein the reference numerals in the figures are as follows:

11. an arc-shaped track; 12. a linker; 13. buckling claws;

14. a fastener; 15. a friction wheel; 16. an adjusting knob;

21. a sliding connection seat; 22. a slideway; 23. an elastic member;

31. a housing; 32. a drive shaft; 33. a saw blade; 34. a protective cover;

41. a tooth block; 42. a lever; 43. pressing the button;

51. an eccentric wheel; 52. rotating the handle; 53. a rotating shaft;

61. a telescopic bracket; 62. a water bottle; 63. a conduit; 64. a sub-mount;

70. a steel rail; 71. and (6) edge fattening.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Now, the present invention will be described with reference to a fat edge cutter for a railway insulated joint.

Referring to fig. 1 to 3 together, a fat edge cutting machine for a railway insulation joint according to a first embodiment of the present invention includes a connecting bracket, an adjusting bracket and a cutting mechanism, wherein the connecting bracket is used for being fixed on a steel rail 70 and is provided with an arc-shaped track 11 arranged along a circumferential direction of the steel rail 70; one end of the adjusting bracket is connected with the arc-shaped track 11 in a sliding way and has the freedom degree of moving along the radial direction of the steel rail 70; the cutting mechanism is connected with the other end of the adjusting bracket and is used for adjusting the cutting part of the cutting mechanism to a preset position through the adjusting bracket and then cutting the fat edge of the steel rail 70.

Compared with the prior art, the fat edge cutting machine for the railway insulation joint is characterized in that when the fat edge cutting machine is used, the connecting support is fixed on the steel rail 70, then the adjusting support slides on the arc-shaped track 11, so that the cutting mechanism is aligned to the most protruding part of the fat edge, and finally the adjusting support is used for driving the cutting mechanism to move along the radial direction of the steel rail 70 to cut the fat edge; through the cooperation of adjusting support and arc track 11 like this, can adjust cutting mechanism's angle wantonly, make cutting mechanism aim at fat limit most convex position, and can not receive the influence on fat limit inclined plane, can cut fat limit more accurately, obtain better cutting effect, and can not receive the influence of factors such as workman's shake during the cutting, the cutting is more stable, can reduce the possibility of cutting bad parent metal and insulating piece, also can reduce cutting mechanism and damage the risk of hindering the people, the security and the efficiency of operation improve.

Further, referring to fig. 1 to fig. 3, a first embodiment of the present invention further provides the following:

the connecting bracket comprises a connecting body 12, a plurality of buckling claws 13, a plurality of fasteners 14 and an arc-shaped track 11; the connector 12 is attached to the upper surface of the rail head of the steel rail 70; the arc-shaped track 11 is arranged on the connecting body 12; the fastening claws 13 are respectively arranged at two sides of the connecting body 12 and respectively extend to the lower part of the rail head of the steel rail 70; a plurality of fasteners 14 are in one-to-one correspondence with the connectors 12 and cooperate with the connectors 12 for securing the connectors 12 to the heads of the rails 70.

The arc-shaped track 11 can be a hollow structure and is symmetrically arranged on two sides. The adjusting bracket can be detachably connected with the connecting bracket.

The connecting bracket also comprises a friction wheel 15 and an adjusting button 16, wherein the friction wheel 15 is rotatably arranged on the connecting body 12 or the buckling claw 13, and the outer edge of the friction wheel is used for contacting with the surface of the steel rail 70; the adjusting button 16 is connected with the friction wheel 15, and is used for driving the friction wheel 15 to rotate, and further driving the connecting body 12 to move on the steel rail 70 along the axial direction of the steel rail 70 so as to finely adjust the position of the arc-shaped rail 11, thereby avoiding the difficulty in aligning by manual adjustment or generating large errors.

Friction wheels 15 are arranged on two sides of the connecting bracket, and the friction wheels 15 on two sides of the connecting bracket clamp the steel rail 70 so as to be convenient to adjust and move; the outer edge of the friction wheel 15 is provided with an elastic anti-slip rubber cushion layer so as to clamp the steel rail 70 and avoid slipping on the steel rail 70; the adjusting button 16 is provided with scale marks so as to accurately control the movement of the connecting bracket; the arc-shaped track 11 and the buckling claw 13 are fixedly connected or detachably connected with the connecting body 12; the fastening piece 14 comprises a fastening bolt, the fastening claw 13 is provided with a screw hole matched with the fastening bolt, and the fastening bolts at two sides of the connecting body 12 penetrate through the screw hole and then are abutted against the steel rail 70 so as to tightly press and fix the connecting body 12 on the steel rail 70; the fastening bolt is obliquely arranged and is used for abutting against an inclined surface at the lower part of the rail head of the steel rail 70 so as to tightly push the connecting body 12 and the steel rail 70; the arc-shaped rails 11 are arranged in two groups in parallel.

The adjusting bracket comprises a sliding connecting seat 21 and a slideway 22; the sliding connection seat 21 is connected with the arc-shaped track 11 in a sliding manner; the slideway 22 is arranged along the radial direction of the steel rail 70, and one end of the slideway is connected with the sliding connecting seat 21; the cutting mechanism is slidably disposed on the slideway 22.

The railway insulation joint fat edge cutting machine further comprises a locking assembly used for fixing the sliding connection seat 21 on the arc-shaped track 11; the arc-shaped track 11 comprises an arc-shaped rack arranged on the connecting bracket, and the locking assembly comprises a toothed block 41, a lever 42 and a pressing button 43; the tooth block 41 is of a ferromagnetic structure, is connected with the sliding connection seat 21 in a sliding manner and is provided with teeth matched with the arc-shaped rack; the middle part of the lever 42 is rotationally connected with the sliding connection seat 21, and one end of the lever is connected with the tooth block 41; the pressing button 43 is provided at the other end of the lever 42.

The axial direction of arc track 11 is equipped with the spout along arc track 11 both sides, and sliding connection seat 21 both sides are equipped with spout complex slider to carry on spacingly to arc track 11 and sliding connection seat 21's sliding connection, guarantee the locking effect of tooth piece 41.

The adjusting bracket further comprises an elastic piece 23 arranged between the sliding connection seat 21 and the cutting mechanism, and the elastic piece 23 is used for providing elastic force for pushing the cutting mechanism to move outwards; the railway insulation joint fat edge cutting machine further comprises a pressing wheel assembly, wherein the pressing wheel assembly is arranged at the outer end of the slide way 22 and used for pushing the cutting mechanism to move inwards along the slide way 22. The elastic member 23 may be a spring assembly, or an elastic block.

The pinch roller assembly comprises an eccentric wheel 51 and a rotating handle 52; the eccentric wheel 51 is rotatably connected with the upper part of the slideway 22, and the edge of the eccentric wheel is used for abutting against the cutting mechanism; the rotating handle 52 is coaxially connected with the eccentric wheel 51 and is used for driving the eccentric wheel 51 to rotate, further extruding the cutting mechanism through the edge of the eccentric wheel 51, and enabling the cutting mechanism to slide to the steel rail 70 along the slideway 22 so as to cut the steel rail 70; the eccentric wheel 51 is matched with the elastic piece 23, so that the cutting mechanism can be conveniently and stably moved, the cutting mechanism is prevented from deflecting, and meanwhile, the cutting mechanism can be conveniently rebounded and reset. If necessary, a speed change mechanism may be provided between the eccentric wheel 51 and the turning handle 52 for more labor-saving operation.

The eccentric wheels 51 are arranged in a plurality of groups in parallel, and the edge of each group of eccentric wheels 51 is abutted against the cutting mechanism, so that the moving stability of the cutting mechanism is further enhanced, and the cutting mechanism is prevented from deflecting; the pinch roller assembly further comprises a rotating shaft 53, and the rotating shaft 53 is fixedly connected with the center of each group of eccentric wheels 51 respectively; the eccentric wheel 51 is rotatably connected with the upper part of the slideway 22 through a rotating shaft 53, and the rotating handle 52 is detachably connected with the rotating shaft 53.

The railway insulation joint fat edge cutting machine also comprises a cooling mechanism for cooling the cutting part; the cooling mechanism comprises a telescopic bracket 61, a water bottle 62, a conduit 63 and a secondary bracket 64; the telescopic bracket 61 has a degree of freedom of axial extension, the lower end of the telescopic bracket is detachably connected with the connecting bracket, specifically, the telescopic bracket 61 can be connected with the connecting body 12 through a thread structure, an inserting structure and other structural forms, and the upper end of the telescopic bracket 61 extends upwards; the water bottle 62 is hung at the upper end of the telescopic bracket 61 and is used for containing cooling liquid; one end of the auxiliary bracket 64 is connected with the telescopic bracket 61 or the connecting bracket, and the other end extends to the cutting part; one end of the conduit 63 is connected to the water bottle 62, and the other end is connected to the other end of the sub-mount 64, for spraying the coolant to the cutting site.

The cutting mechanism comprises a shell 31, a power assembly, a power supply assembly, a transmission shaft 32, a saw blade 33 and a protective cover 34; the housing 31 is connected with the adjusting bracket, and specifically can be in sliding fit with the slideway 22; the power assembly is arranged in the shell 31 and used for providing power; the power supply assembly is arranged in the shell 31, is electrically connected with the power assembly and is used for supplying power to the power assembly; one end of the transmission shaft 32 is connected with the power output end of the power assembly, and the other end extends to the outside of the casing 31; the saw blade 33 is connected with the other end of the transmission shaft 32 and is driven by the power assembly to rotate so as to cut the fat edge of the steel rail 70; the protective cover 34 is arranged on the periphery of the saw blade 33 and connected with the shell 31 to prevent the saw blade from flying after cracking and hurting people, and prevent the cooling liquid from splashing to influence the operation; a conduit 63 extends into the interior of the guard 34 for spraying a cooling fluid onto the saw blade 33.

The power module may be a lithium battery, the power module may be a motor, the saw blade 33 may be an alloy saw blade or a thin grinding wheel saw blade to perform cutting more precisely, and the saw blade 33 may be disposed perpendicular to the axis of the housing 31 to reduce transmission loss.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.