CN107138557A - Coiler mandrel - Google Patents

Abstract

The invention provides a coiler mandrel, which relates to a thin strip casting and rolling production line and comprises a main shaft, a wedge-shaped shaft and a plurality of sector plates, wherein the main shaft is provided with an installation cavity arranged along the axial direction of the main shaft, the wedge-shaped shaft is arranged in the installation cavity, the sector plates are arranged along the axis of the main shaft and are installed on the outer wall of the main shaft, the sector plates are arranged along the circumferential direction of the main shaft, a plurality of wedge-shaped inclined planes protruding outwards along the radial direction of the wedge-shaped shaft are arranged on the wedge-shaped shaft, a plunger assembly is arranged on each wedge-shaped inclined plane, one end of each plunger assembly abuts against the corresponding wedge-shaped inclined plane, the other end of each plunger assembly penetrates through the side wall of the main shaft and abuts against the inner wall of the corresponding sector plate, and. The coiling drum of the coiling machine can improve the integral service life of the sector plate and prolong the machine-off time of the sector plate.

Description

Coiler Drum

technical field

The invention relates to a thin strip casting and rolling production line, in particular to a coiler, in particular to a coiler reel for thin strip casting and rolling.

Background technique

At present, domestic hot rolling coilers mostly adopt the type without internal water cooling, and the coils mainly rely on external cooling water for cooling. In order to ensure that the parts do not fail when coiling at a high temperature of 600-800 ° C, the coiling time is stricter. limits.

In addition, for thin strip casting and rolling with a strip thickness of 0.7-1.91mm, the maximum coil weight of the reel is 32.8t, the maximum coil diameter is 2050mm, and the longest coiling time is about 17min. In order to ensure the normal operation of the reel, the It is necessary to effectively cool the reel, that is, to increase internal water cooling.

The water-cooled wedge plunger reel in the existing hot rolling coiler mainly has the following technical problems:

First of all, since the internal water-cooled fan-shaped plate works under the complex stress state of alternating coiling stress and thermal stress, the failure is mainly due to wear in the early stage, and crack failure or even fracture failure may occur in the later stage. The fracture failure will lead to serious Therefore, when there are long and deep cracks on the fan-shaped plate, it is necessary to get off the machine and judge to be scrapped. Therefore, the fan-shaped plate material is generally set as a material with good toughness (relatively "soft"). When the coiling starts, there will be a high contact stress between the fan-shaped plate and the large plunger and the wedge-shaped shaft. At the same time, the function of automatic diameter reduction and secondary expansion will make the fan-shaped plate slide relative to the large plunger during the working process. It is difficult for such a single-material fan-shaped plate to meet the requirements of wear resistance and good toughness at the same time.

Secondly, since the strip will generate dynamic load along the axis of the reel during the coiling process, and the function of automatic diameter reduction and secondary expansion and contraction will cause the sector plate to move dynamically in the radial direction, the axial limit surface of the sector plate will Due to the large dynamic and static friction force, under the joint action of severe wear and alternating stress, the axial positioning hook of the fan-shaped plate is prone to failure.

Thirdly, the extension shaft and the main shaft are connected by split assembly, and the two rely on the shaft and hole cooperation to realize radial restraint; rely on bolt connection to realize axial restraint. During the coiling process, the connecting bolts and screw holes of the two are in a state of alternating tension and compression stress, and the replacement of the fan-shaped plate also requires the removal of the extension shaft and the axial fixing bolts. Therefore, the threaded blind holes used for connection here are prone to invalidated.

Contents of the invention

The purpose of the present invention is to provide a coiler reel, which can improve the overall service life of the fan-shaped plate and prolong the off-machine time of the fan-shaped plate.

In order to achieve the above object, the present invention proposes a coiler drum, wherein the coiler drum includes a main shaft, a wedge-shaped shaft and a plurality of fan-shaped plates, and the main shaft has a mounting plate along the axial direction of the main shaft. cavity, the wedge-shaped shaft is arranged in the installation cavity, the fan-shaped plate is arranged along the axis of the main shaft and installed on the outer wall of the main shaft, a plurality of the fan-shaped plates are arranged along the circumference of the main shaft, The wedge-shaped shaft is provided with a plurality of wedge-shaped slopes protruding outward along the radial direction of the wedge-shaped shaft, and each of the wedge-shaped slopes is provided with a plunger assembly, and one end of the plunger assembly is pressed against the wedge-shaped slope. On the slope, the other end of the plunger assembly passes through the side wall of the main shaft and abuts against the inner wall of the fan-shaped plate. grinding layer.

The coiler drum as described above, wherein the plunger assembly includes a first plunger and a second plunger, and the first plunger and the second plunger are arranged along the axial direction of the wedge shaft , one end of the first plunger and the second plunger abuts against the wedge-shaped inclined surface, and the other end of the first plunger and the second plunger abuts against the fan-shaped plate , the fan-shaped plate is provided with a first surfacing wear-resistant layer at the positions corresponding to the first plunger and the second plunger.

The coiler reel as described above, wherein the wedge-shaped inclined surface is provided with a second surfacing wear-resistant layer corresponding to the first plunger and the second plunger.

The above-mentioned coiler drum, wherein, a third surfacing wear-resistant layer is provided at the contact position between the inner wall surface of the fan-shaped plate and the main shaft.

The coiler reel as described above, wherein both ends of the fan-shaped plate in the axial direction are provided with a guide section protruding outward along the axial direction of the fan-shaped plate, and the guide section has two opposite sides, The side is covered with a fourth surfacing wear-resistant layer.

The coiler reel as described above, wherein the main shaft includes a transmission section and an operation section arranged in sequence, the outer diameter of the operation section is smaller than the outer diameter of the transmission section, and the installation cavity is opened in the operation section In the section, an extension shaft is connected to the end of the operation section, and the fan-shaped plate assembly is arranged in a guide groove formed by cooperation between the transmission section and the extension shaft.

The above-mentioned coiler reel, wherein, the operation section and the extension shaft are detachably connected by a plurality of bolts, and the end of the operation section is provided with a plurality of threaded holes corresponding to the bolts, The threaded surface of each said threaded hole is covered with a fifth overlaying wear-resistant layer.

The above-mentioned coiler drum, wherein, the thickness of the first surfacing wear-resistant layer is 3 mm to 10 mm.

The above-mentioned coiler reel, wherein the wedge-shaped shaft is provided with an oil passage for cooling, and each wedge-shaped slope of the wedge-shaped shaft is provided with a plurality of oil outlets.

The above-mentioned coiler reel, wherein, the sector plate is further provided with a hook head, the hook head has an axial positioning surface facing the main shaft, and an oil groove is opened on the axial positioning surface , the main shaft is provided with a side oil groove communicating with the oil groove and the oil outlet.

Compared with the prior art, the present invention has the following characteristics and advantages:

In the coiler reel proposed by the present invention, the position where the fan-shaped plate contacts the plunger assembly is covered with a first surfacing wear-resistant layer, which increases the local wear resistance of the fan-shaped plate, and is effective under high contact stress and relative sliding Better protection of the inner contact surface of the fan-shaped plate, prolonging the time of dismounting, can significantly improve the overall life of the fan-shaped plate.

In the reel of the coiler proposed by the present invention, the lubricating oil groove is added to the axial positioning surface of the hook head of the sector plate, which can reduce the additional resistance caused by automatic diameter reduction and secondary expansion, and improve the force of the sector plate state, thereby prolonging the service life of the sector plate.

In the reel of the coiler proposed by the present invention, the main shaft and the extension shaft are fixedly connected in a detachable manner, and the threaded hole at the end of the main shaft is covered with a fifth surfacing wear-resistant layer, which can be protected during the alternating load of rotation and the replacement of the sector plate. Threaded holes, so that the life of the entire spindle will not be affected due to the failure of the threaded hole.

Description of drawings

The drawings described herein are for illustration purposes only and are not intended to limit the scope of the present disclosure in any way. In addition, the shapes and proportional dimensions of the components in the drawings are only schematic and are used to help the understanding of the present invention, and do not specifically limit the shapes and proportional dimensions of the components in the present invention. Under the teaching of the present invention, those skilled in the art can select various possible shapes and proportional dimensions according to specific situations to implement the present invention.

Fig. 1 is the structural representation of the coiler reel that the present invention proposes;

Fig. 2 is the structural representation of plunger assembly among the present invention;

Fig. 3 is the structural representation (1) of fan-shaped plate among the present invention;

Fig. 4 is the structural representation (two) of fan-shaped plate among the present invention;

Fig. 5 is the structural representation of hook head in the present invention;

Fig. 6 is the structural representation (3) of fan-shaped plate among the present invention;

Fig. 7 is a structural schematic diagram of the end of the main shaft operating section in the present invention;

Fig. 8 is a partial cross-sectional view of direction B in Fig. 7;

Figure 9 is a perspective view of a coiler reel in the present invention;

Fig. 10 is a schematic diagram of the assembly of the reel of the coiler in the present invention;

Fig. 11 is a structural schematic diagram of a fan-shaped plate guide section in the present invention;

Fig. 12 is a structural schematic diagram of the sector plate hook head in the present invention;

Fig. 13 is a structural schematic diagram of a wedge-shaped shaft in the present invention;

Fig. 14 is a schematic structural view of a wedge-shaped slope in the present invention;

Fig. 15 is a sectional view of E-E direction in Fig. 14;

Figure 16 is a schematic structural view (1) of the first plunger in the present invention;

Fig. 17 is a schematic structural view (2) of the first plunger in the present invention;

Fig. 18 is a schematic structural view of a wedge shaft in the present invention;

Fig. 19 is the structural representation of the main shaft in the present invention;

Fig. 20 is a sectional view of F direction in Fig. 19;

Fig. 21 is a cross-sectional view of N-N direction in Fig. 19;

Fig. 22 is a sectional view of P-P direction in Fig. 19;

Figure 23 is a cross-sectional view of a coiler drum in the present invention.

Explanation of reference signs:

10 drums; 100 wedge shafts;

110 wedge-shaped slope;

130 oil circuit; 131 main oil pipe;

132 branch oil pipe; 133 oil outlet;

200 spindle; 210 installation cavity;

220 transmission section; 230 operation section;

240 grooves; 250 support flutes;

260 threaded hole; 270 fifth surfacing wear-resistant layer;

280 the second plunger hole; 290 the first plunger hole;

300 sector plate assembly; 310 sector plate;

320 first surfacing wear-resistant layer; 330 third surfacing wear-resistant layer;

340 guide section; 350 fourth surfacing wear-resistant layer;

370 hook head; 380 oil groove;

400 plunger assembly; 410 first plunger;

411 upper hook; 412 lower hook;

420 second plunger; 430 disc spring;

500 extension shaft; 600 bolt;

700 waterway; 710 water inlet;

720 water outlet; 800 sixth surfacing wear-resistant layer;

900 The seventh surfacing wear-resistant layer.

detailed description

The details of the present invention can be understood more clearly with reference to the accompanying drawings and the description of specific embodiments of the present invention. However, the specific embodiments of the present invention described here are only for the purpose of explaining the present invention, and should not be construed as limiting the present invention in any way. Under the teaching of the present invention, the skilled person can conceive any possible modification based on the present invention, and these should be regarded as belonging to the scope of the present invention.

Please refer to Fig. 1 to Fig. 23, the present invention proposes a coiler drum 10, the coiler drum 10 includes a wedge-shaped shaft 100, a main shaft 200 and a plurality of fan-shaped plates 310 which are sheathed sequentially from the inside to the outside, the main shaft 200 has an installation cavity 210 opened along the axial direction of the main shaft 200. The installation cavity 210 is opened along the axial direction of the main shaft 200. The wedge-shaped shaft 100 is set in the installation cavity 210. The sector plate 310 is a long curved plate with an arc in the radial direction. A plurality of fan-shaped plates 310 are combined into a cylindrical fan-shaped plate assembly 300 along the circumferential direction of the main shaft 200. The fan-shaped plate assembly 300 is set on the outer wall of the main shaft 200. Convex wedge-shaped slopes 110, each wedge-shaped slope 110 is provided with a plunger assembly 400, one end of the plunger assembly 400 abuts on the wedge-shaped slope 110, and the other end of the plunger assembly 400 penetrates the side wall of the main shaft 200 and abuts against On the sector plate 310 , the position where the inner wall of the sector plate 310 contacts the plunger assembly 400 is covered with a first surfacing wear-resistant layer 320 .

In an optional example, the outer wall of the wedge-shaped shaft 100 has a plurality of groups of wedge-shaped slopes arranged along the axial direction of the wedge-shaped shaft 100, and each group of wedge-shaped slopes includes A plurality of wedge-shaped slopes 110 are arranged, and the number of wedge-shaped slopes 110 in the wedge-shaped slope group is the same as the number of fan-shaped plates 310 in the fan-shaped plate assembly 300 .

The coiler reel 10 proposed by the present invention, as shown in Fig. 1 and Fig. 2, under the condition that the overall toughness of the fan-shaped plate 310 is not changed (the main body of the fan-shaped plate 310 is still made of relatively "soft" material), the fan-shaped plate The contact position between the inner wall surface of 310 and the plunger assembly 400 is covered with the first surfacing wear-resistant layer 320, which maintains the overall wear and crack generation of the fan-shaped plate 310 and increases the local wear resistance of the fan-shaped plate 310. The first surfacing wear-resistant layer 320 cooperates with the plunger assembly 400 to better protect the inner wall of the sector plate 310 under the action of high contact stress and relative sliding, significantly improving the overall life of the sector plate and prolonging the The board's disembarkation time.

In an optional example of the present invention, the first surfacing wear-resistant layer 320 is a hard alloy wear-resistant layer, so as to increase the wear resistance of the fan-shaped plate 310 .

Overlay welding is an existing technology, which is a welding process for depositing metals with properties such as wear resistance, corrosion resistance, and heat resistance on the surface or edge of the joint construction. Overlay welding can improve the service life of parts, rationally use materials, and improve product performance. , Reducing the cost has significant benefits. Different workpieces and surfacing electrodes need to adopt different surfacing processes to obtain satisfactory surfacing results. The manufacturing method of the first surfacing wear-resistant layer 320 is to prefabricate a pit at the corresponding position of the fan-shaped plate 310, then surfacing welding material in the prefabricated pit of the fan-shaped plate 310, and process the fan-shaped plate integrally after the surfacing is completed. 310 and the first surfacing wear-resistant layer 320.

In an optional example of the present invention, as shown in FIG. 2, the plunger assembly 400 includes a first plunger 410 and a second plunger 420, the diameter of the first plunger 410 is larger than the diameter of the second plunger 420, and the diameter of the second plunger 420 is A plunger 410 and a second plunger 420 are arranged between the sector plate 310 and the wedge shaft 100, the first plunger 410 and the second plunger are arranged side by side along the axial direction of the wedge shaft 100 with an interval, the first plunger 410 and the second plunger 420 are both arranged such that one end abuts against the wedge-shaped inclined surface 110, and the other end penetrates the side wall of the main shaft 200 and abuts against the inner wall surface of the fan-shaped plate 310. The inner wall surface of the fan-shaped plate 310 is on the first plunger 410 and the second plunger 420 are provided with a first surfacing wear-resistant layer 320 at corresponding positions.

In an optional example of the present invention, as shown in FIG. 2 and FIG. 10 , a first plunger hole 290 corresponding to the first plunger 410 and a first plunger hole 290 corresponding to the second plunger 420 are opened on the side wall of the main shaft 200 . Fitting second plunger hole 280 . Each set of first plunger holes 290 and second plunger holes 280 corresponds to a wedge-shaped inclined surface 110 on the wedge-shaped shaft 100, and the corresponding first plunger holes 290 and second plunger holes 280 of each wedge-shaped inclined surface 110 are all arranged On the same straight line, the first plunger hole 290 and the second plunger hole 280 play a radial positioning role for the first plunger 410 and the second plunger 420 respectively. One end of the first plunger 410 abuts against the wedge-shaped slope 110 , the other end of the first plunger 410 passes through the first plunger hole 290 and abuts against the inner wall of the sector plate 310 , and one end of the second plunger 420 abuts against On the wedge-shaped slope 110 , the other end of the second plunger 420 passes through the second plunger hole 280 and abuts against the inner wall of the fan-shaped plate 310 , and the second plunger 420 is configured with a disc spring 430 . Before coiling starts, the disc spring 430 in the second plunger 420 is in a compressed state, and there is a tendency to push the sector plate 310 away from the wedge shaft 100 .

In an optional example of the present invention, as shown in Fig. 2, Fig. 6, Fig. 10, Fig. 13 to Fig. 17, the top surface of the first plunger 410 is a plane, and the bottom surface of the first plunger 410 is a wedge-shaped slope 110 corresponds to the matching slope, the top of the first plunger 410 is provided with an upper hook 411 protruding outward along the radial direction of the first plunger 410, and the bottom end of the first plunger 410 is provided with a hook 411 protruding outward along the radial direction of the first plunger 410. For the convex lower hook 412 , an upper groove corresponding to the upper hook 411 is provided on the inner wall of the fan-shaped plate 310 , and a lower groove corresponding to the lower hook 412 is provided on the wedge-shaped inclined surface 110 . Before the coiling starts, the disk spring 430 in the second plunger 420 is in a compressed state, and there is a tendency to push the sector plate 310 away from the wedge shaft 100. At this time, the inner wall of the groove on the sector plate 310 catches the first plunger 410. The upper hook 411 and the lower hook 412 of the first plunger 410 hook the inner wall of the lower groove on the wedge shaft 100, and the wedge shaft 100 is fixed in the main shaft 200, so the sector plate 310 is in a stable position. When the wedge shaft 100 moves to the left, the first plunger 410 moves radially outward, pushing the sector plate 310 to expand radially; when the wedge shaft 100 moves to the right, the sector plate 310 is pulled by the first plunger 410 to move inward , in a radially reduced state. During the coiling process, the fan-shaped plate 310 is affected by the coiling pressure, and the fan-shaped plate 310 moves toward the axis of the main shaft 200, compressing the first plunger 410, and the upper top surface of the first plunger 410 contacts the inner wall surface of the fan-shaped plate 310, The slope of the first plunger 410 is in contact with the wedge slope 110 of the wedge shaft 100 , and the sector plate 310 is supported by the first plunger 410 at this moment.

In an optional example of the present invention, as shown in FIG. 13 , the wedge shaft 100 is provided with several wedge slopes 110 from left to right, and the two adjacent wedge slopes 110 in the circumferential direction of the wedge shaft rotate 90° (the two adjacent wedges The included angle between the slopes 110 is 90°), and they are arranged in a staggered manner. Due to the complex structure, the diameter of the wedge-shaped shaft 100 is relatively small. In order to ensure the strength of the wedge-shaped shaft 100, the two adjacent wedge-shaped slopes 110 are staggered in the axial direction, so as to ensure that the lowest points of the multiple wedge-shaped slopes 110 are not on the same section in the radial direction of the wedge-shaped shaft 100. , this design increases the solid area of the bearing section of the wedge shaft 100 and improves the stress state of the bearing part of the wedge shaft 100 .

In an optional example of the present invention, as shown in FIG. 1 , the mounting cavity 210 of the main shaft 200 is machined with stepped holes corresponding to the wedge shaft 100 according to clearance fit tolerances. Concentricity requirements.

In an optional example of the present invention, the wedge-shaped inclined surface 110 is provided with a second surfacing wear-resistant layer at positions in contact with the first plunger 410 and the second plunger 41 .

In an optional example, the second surfacing wear-resistant layer is a copper surfacing wear-resistant layer, so as to increase the wear resistance of the wedge-shaped slope 110 .

In an optional example of the present invention, the wedge shaft 100 includes a drive-side guide section, a middle guide section, and an operation-side guide section arranged in sequence. The drive side guide section, the middle guide section and the operation side guide section on the wedge shaft 100 are all provided with a ring-shaped copper surfacing wear-resistant layer.

In an optional example of the present invention, as shown in Fig. 9, Fig. 10 and Fig. 19, the main shaft 200 includes a sequentially arranged transmission section 220 and an operating section 230, the installation cavity 210 is opened in the operating section 230, and the operating section 230 The outer wall is provided with a plurality of grooves 240, the grooves 240 are provided along the axial direction of the main shaft 200, and the bottom surface of each groove 240 is provided with a plurality of through hole groups correspondingly matched with the plunger assembly 400 (the first plunger hole 290 and the second plunger hole 280), each groove 240 is correspondingly provided with a fan-shaped plate 310.

In an optional example, as shown in Fig. 7 and Fig. 10, four grooves 240 are provided on the outer wall of the operating section 230, and the angle between every two adjacent grooves 240 is 90 degrees. Four fan-shaped plates 310 are installed on the outside of the main shaft 200 , and one fan-shaped plate 310 is installed on the outside of each groove 240 . Correspondingly, four sets of wedge-shaped slopes 110 arranged along the axial direction of the wedge-shaped shaft 100 are provided on the wedge-shaped shaft 100 .

In an optional example, as shown in Figure 9 and Figure 10, the staggered teeth of every two fan-shaped plates 310 overlap each other, and the four fan-shaped plates 310 are installed as a whole, and the four fan-shaped plates 310 overlap each other with staggered teeth first. Splice the sector plate assembly 300 into a cylindrical shape, and then insert the sector plate assembly 300 from the end of the main shaft 200 operating section. The staggered teeth overlap each other between every two fan-shaped plates 310, which can ensure that the thin strip will not sag under the action of coiling compressive stress.

In an optional example, as shown in FIG. 7 and FIG. 10 , the main shaft 200 is formed with support corrugations 250 at the tops of the two side walls of every two grooves 240, the support corrugations 250 are arranged along the axial direction of the main shaft 200, and the sector plates 310 The inner wall surface is supported on the support flute.

In an optional example of the present invention, as shown in Fig. 6, Fig. 7, Fig. 10, and Fig. 23, at the contact position between the inner wall surface of the fan-shaped plate 310 and the main shaft 200 (that is, the inner wall surface of the fan-shaped plate 310 and the support flute 250 At the contact position, the contact position is the inner wall surface of the fan-shaped plate 310 along the length direction of the two side wing elevations) covered with the third surfacing wear-resistant layer 330 . Since the contact position between the inner wall surface of the fan-shaped plate 310 and the main shaft 200 plays a guiding and positioning role, and it has been in contact with cold water for a long time, the third overlay welding wear-resistant layer 330 is a stainless steel overlay welding wear-resistant layer to enhance the anti-corrosion of the inner wall surface of the fan-shaped plate 310. Rust and abrasion resistance properties.

In an optional example, the support flute 250 is covered with a seventh wear-resistant overlay layer 900 corresponding to the third wear-resistant overlay layer 330 . The seventh surfacing wear-resistant layer 900 is also a stainless steel surfacing wear-resistant layer.

In an optional example of the present invention, an extension shaft 500 is connected to the end of the operating section 230 , and the fan-shaped plate assembly 300 is arranged in a guide groove formed by cooperation between the transmission section 220 and the extension shaft 500 .

In an optional example of the present invention, as shown in FIGS. It has two opposite side sides, and the side sides are covered with the fourth surfacing wear-resistant layer 350 .

In an optional example, as shown in FIG. 9 and FIG. 10 , there are guide grooves corresponding to the guide section 340 on the transmission section 220 and the extension shaft 500, and the guide section 340 extends into the corresponding guide groove. .

In an optional example of the present invention, as shown in Figures 11 and 12, the inner wall surface of the guide groove of the transmission section 220 and the inner wall surface of the guide groove of the extension shaft 500 are provided with the fourth wear-resistant layer 350 corresponds to the matching sixth wear-resistant layer 800 .

In an optional example, both the fourth wear-resistant surfacing layer 350 and the sixth wear-resistant layer 800 are copper surfacing wear-resistant layers.

In an optional example of the present invention, as shown in Fig. 4 and Fig. 5, a hook head 370 is provided on the guide section 340 facing the extension shaft 500, the hook head 370 protrudes along the circumferential direction of the main shaft 200, and the hook head The portion 370 has an axial positioning surface facing the main shaft 100 , and an oil groove 380 is opened on the axial positioning surface. The extension shaft 500 is also provided with a positioning groove corresponding to the hook head 370, and the hook head 370 is inserted in the positioning groove, thereby realizing the axial fixation of the hook head 370 (both directions along the axial direction of the main shaft 200). Can not move), like this, sector plate 310 is provided with an end of hook head 370 and just becomes fixed end, and the other end of sector plate 310 is free end, and free end is not fixed, and after sector plate 310 is heated, free end can drive Segment 220 is free to elongate. By adding the structure of the oil groove 380 on the axial positioning surface of the hook head 370 of the fan-shaped plate 310, the dry oil can enter between the hook head 370 and the main shaft 200, and the fan-shaped plate 310 is reduced under the premise of satisfying the original strength. Due to the additional resistance brought by the automatic diameter reduction and secondary expansion, the stress state of the fan-shaped plate 310 is improved.

In an optional example, as shown in Figure 18, an oil passage 130 for cooling is provided in the wedge shaft 100, an oil outlet 133 is opened on each wedge-shaped slope 110 of the wedge shaft 100, and the main shaft 200 has a groove On the side wall of 240, a side oil groove is also opened, and the side oil groove is opened along the axial direction of the main shaft 200 and communicates with the above-mentioned oil outlet. In the oil groove 380 on the top, like this, lubricating oil can be filled with side oil groove (on the sidewall of groove 240) and oil groove 380 (located on the axial positioning surface of hook head 370) at the same time, when sector plate 310 is relative to main shaft 200 When doing relative movement, frictional resistance can be greatly reduced. The oil passage 130 in the wedge shaft 100 includes a main oil pipe 131 and a plurality of branch oil pipes 132 connected to the main oil pipe, and on each wedge-shaped slope 110, a diameter corresponding to the first plunger 410 and the second plunger 420 is arranged. To the oil outlet 133, the distribution path of lubricating oil is input from the main oil pipe 131 on the wedge shaft 100, distributed to each branch oil pipe 132 through the dry oil distributor, and then enters the lubricating oil located on the wedge shaft 100 through a plurality of oil outlets 133. The lubrication points on the sliding surface, the contact surface of the bearing outer ring, and the wedge-shaped inclined surface 110 are used to meet the oil supply requirements of each lubrication surface. In addition, a manual oil nozzle is specially arranged at the end of the operation section 230. If the dry oil automatic distribution system fails, emergency oil can be manually added through the oil nozzle.

In an optional example of the present invention, as shown in FIG. 19 to FIG. 22 , a cooling water passage 700 is arranged in the main shaft 200 , and a plurality of water inlets 710 are provided at the transmission section 220 . A plurality of water outlets 720 are arranged at corresponding positions. In an optional example, cooling water enters through 4 water inlets 710 on the transmission section 220 of the main shaft 200 , passes through the inner depth of the main shaft 200 , and then exits from 16 water outlets 720 of the operating section 230 to cool the sector plate 310 .

In an optional example of the present invention, as shown in FIGS. 7 to 10 , the operating section 230 and the extension shaft 500 are detachably connected by a plurality of bolts 600 . In the matched threaded hole 260 , the bolt 600 passes through the extension shaft 500 and is threadedly engaged with the inner wall of the threaded hole 260 , and the threaded surface of the threaded hole 260 is covered with a fifth surfacing wear-resistant layer 270 . The fifth surfacing wear-resistant layer 270 includes a stainless steel surfacing wear-resistant layer and a hard alloy surfacing wear-resistant layer arranged in sequence from the inside to the outside. The hard alloy surfacing wear-resistant layer has high hardness and is not easy to rust in the environment of steam and splashing water, which ensures that the threaded hole 260 is wear-resistant and not easy to slip off the wire, and can be rotated under the action of the extension shaft 500 under alternating loads Protect the threaded hole 260 under working conditions such as the replacement of the sector plate 310, so that the service life of the entire spindle 200 will not be affected due to the failure of the threaded hole 260, thereby indirectly prolonging the life of the spindle 200. At the same time, the stainless steel surfacing wear-resistant layer As the transition material between the hard alloy surfacing wear-resistant layer and the base material of the main shaft 200, it can further ensure that the hard alloy surfacing wear-resistant layer is well welded without cracks.

In an optional example, the bolt 600 is a high-strength bolt, and its load performance grade is 10.9, so as to ensure a reliable connection between the main shaft 200 and the extension shaft 500 .

In an optional example of the present invention, the thickness of the first surfacing wear-resistant layer 320 is 3 mm to 10 mm.

In an optional example, the thickness of the second overlay wear-resistant layer, the thickness of the third overlay wear-resistant layer 330, the thickness of the fourth overlay wear-resistant layer 350 and the thickness of the fifth overlay wear-resistant layer 270 are all It is 3mm to 10mm, and the specific thickness can consider the amount of welding stress relief and wear repair, and different thicknesses are used for different parts.

In the present invention, the manufacturing method of the second overlay wear-resistant layer, the third overlay wear-resistant layer 330, the fourth overlay wear-resistant layer 350 and the fifth overlay wear-resistant layer 270 is the same as the first overlay wear-resistant layer 320 is the same, but the surfacing solder used is different, so I won’t go into details again.

The purpose of the detailed explanations for the above-mentioned embodiments is only to explain the present invention so as to better understand the present invention. However, these descriptions cannot be construed as limiting the present invention for any reason, especially, in different The various features described in the embodiments can also be combined arbitrarily with each other to form other embodiments. Unless there is an explicit description to the contrary, these features should be understood as being applicable to any embodiment and not limited to the described embodiment. Way.

Claims (10)

1. A coiler reel, characterized in that, the coiler reel comprises a main shaft, a wedge-shaped shaft and a plurality of fan-shaped plates, the main shaft has an installation chamber provided along the axial direction of the main shaft, the The wedge-shaped shaft is arranged in the installation cavity, the fan-shaped plate is arranged along the axis of the main shaft and installed on the outer wall of the main shaft, a plurality of the fan-shaped plates are arranged along the circumference of the main shaft, and the wedge-shaped shaft There are a plurality of wedge-shaped slopes protruding outward along the radial direction of the wedge-shaped shaft, each of the wedge-shaped slopes is provided with a plunger assembly, and one end of the plunger assembly is pressed against the wedge-shaped slope. The other end of the plunger assembly passes through the side wall of the main shaft and abuts against the inner wall of the fan-shaped plate, and a first surfacing wear-resistant layer is provided at the contact position between the fan-shaped plate and the plunger assembly. 2. The coiler spool of claim 1 , wherein the plunger assembly includes a first plunger and a second plunger, the first plunger and the second plunger extending along the The axial setting of the wedge-shaped shaft, one end of the first plunger and the second plunger is against the wedge-shaped inclined surface, and the other end of the first plunger and the second plunger is against the wedge-shaped slope. Abut against the fan-shaped plate, the fan-shaped plate is provided with a first surfacing wear-resistant layer at the corresponding matching position of the first plunger and the second plunger. 3 . The coiler reel according to claim 2 , wherein a second surfacing wear-resistant layer corresponding to the first plunger and the second plunger is provided on the wedge-shaped inclined surface. 4 . 4 . The coiler reel according to claim 1 , wherein a third surfacing wear-resistant layer is provided at the contact position between the inner wall surface of the fan-shaped plate and the main shaft. 5. The coiler reel according to claim 1, characterized in that, both axial ends of the fan-shaped plate are provided with guide sections protruding outward along the axial direction of the fan-shaped plate, and the guide sections have The two opposite side edges are covered with a fourth surfacing wear-resistant layer. 6. The coiler reel according to claim 1, wherein the main shaft comprises a transmission section and an operation section arranged in sequence, the outer diameter of the operation section is smaller than the outer diameter of the transmission section, and the The installation cavity is opened in the operation section, the end of the operation section is also connected with an extension shaft, and the fan-shaped plate assembly is arranged in the guide groove formed by the cooperation between the transmission section and the extension shaft. 7. The coiler reel according to claim 6, characterized in that, the operating section and the extension shaft are detachably connected by a plurality of bolts, and the ends of the operating section are opened corresponding to the bolts A plurality of matched threaded holes, the threaded surface of each said threaded hole is covered with a fifth surfacing wear-resistant layer. 8. The coiler drum according to claim 1, wherein the thickness of the first surfacing wear-resistant layer is 3 mm to 10 mm. 9. The coiler reel according to any one of claims 1 to 8, wherein an oil passage for cooling is provided in the wedge-shaped shaft, and each wedge-shaped inclined surface of the wedge-shaped shaft is provided with There are multiple oil outlets. 10. Coiler reel as claimed in claim 9, characterized in that, the sector plate is also provided with a hook head, and the hook head has an axial positioning surface facing the main shaft, on the shaft An oil groove is opened on the positioning surface, and a side oil groove connecting the oil groove and the oil outlet is opened on the main shaft.