Combined loop wheel

Abstract

The utility model relates to the technical field of loop wheels, in particular to a combined loop wheel which comprises a riding wheel shaft, an installation assembly, a limiting assembly and a fixing assembly. The mounting assembly comprises a taper sleeve, a pressing end cover, a pressing bolt and a tungsten carbide roll collar, the taper sleeve is detachably connected with the riding wheel shaft and located on the outer side of the riding wheel shaft, the pressing end cover is detachably connected with the riding wheel shaft and located on the outer side of the riding wheel shaft, and the pressing bolt is in threaded connection with the riding wheel shaft and penetrates through the pressing end cover and the tungsten carbide roll collar to be in sliding connection with the taper sleeve; and the limiting assembly and the fixing assembly are respectively connected with the riding wheel shaft, so that the problems that the loop wheel of the high-speed wire rod finishing mill cannot be normally disassembled for maintenance and raw materials are wasted during hot charging are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a live loop wheel technical field especially relates to a combined live loop wheel. BACKGROUND

[0002] The live loop function of high speed wire rod finishing mill is to ensure the normal process of continuous rolling, and the condition is that the metal flow rate of each stand is equal in unit time.

[0003] In the rolling process, due to the fluctuation of billet size, the fluctuation of rolling temperature, the wear factor of roll pass, and the error of calculation and adjustment, the rolling speed determined theoretically cannot realize the equal metal flow rate of each stand, and the phenomenon of piling or drawing steel appears. In order to avoid piling or drawing steel in the rolling process, the rolling speed of each stand must be dynamically adjusted to make the metal flow rate as equal as possible in the rolling process.

[0004] However, the existing high speed wire rod finishing mill live loop wheel adopts 45# steel surface quenching hardening, is installed on the live loop mechanism by hot mounting, can be reused after repair, is very difficult to disassemble when the live loop wheel is worn, and even can be directly cut off to disassemble, resulting in material waste. In addition, a special person is needed for maintenance, the 45# steel has poor wear resistance, and needs to be replaced frequently, resulting in waste of manpower and material resources. CONTENT OF THE UTILITY MODEL

[0005] The utility model aims at providing a combined live loop wheel, which solves the problems of normal disassembly and maintenance and raw material waste of high speed wire rod finishing mill live loop wheel hot mounting.

[0006] In order to achieve the above-mentioned purpose, the utility model provides a combined live loop wheel, which comprises a carrier wheel shaft, a mounting assembly, a limiting assembly and a fixing assembly. The mounting assembly comprises a taper sleeve, a pressing end cover, a pressing bolt and a tungsten carbide roller ring. The taper sleeve is detachably connected with the carrier wheel shaft and located outside the carrier wheel shaft. The pressing end cover is detachably connected with the carrier wheel shaft and located outside the carrier wheel shaft. The pressing bolt is threadedly connected with the carrier wheel shaft and penetrates through the pressing end cover. The tungsten carbide roller ring is slidably connected with the taper sleeve and located outside the taper sleeve. The limiting assembly and the fixing assembly are connected with the carrier wheel shaft respectively.

[0007] The limiting assembly comprises a ball bearing and a carrier wheel shaft box. The number of the ball bearings is two. The two ball bearings are rotatably connected with the carrier wheel shaft and located at two ends of the carrier wheel shaft respectively. The carrier wheel shaft box is rotatably connected with the ball bearings and located outside the carrier wheel shaft.

[0008] The fixed assembly comprises a sealing end cover and sealing bolts, the sealing end cover is detachably connected with the carrier wheel shaft and located outside the carrier wheel shaft, and the sealing bolts are in a plurality in number and are respectively in threaded connection with the carrier wheel shaft box and pass through the sealing end cover.

[0009] The fixed assembly further comprises a fixed end cover and fixed bolts, the fixed end cover is detachably connected with the carrier wheel shaft and located at one end of the carrier wheel shaft away from the sealing end cover, and the fixed bolts are in a plurality in number and are respectively in fixed connection with the carrier wheel shaft box and pass through the fixed end cover.

[0010] The surface of the fixed end cover is further provided with a plurality of fixed holes.

[0011] The combined loop wheel of the utility model, the carrier wheel shaft provides supporting action for the taper sleeve, the front end of the carrier wheel shaft is a tapered shaft, the taper sleeve is used for providing fixed action for the tungsten carbide roller ring, the compression end cover provides limiting action for the taper sleeve, the position of the compression end cover is fixed through the compression bolt, when the tungsten carbide roller ring is installed, the compression end cover is screwed by rotating the compression bolt, the taper sleeve is pushed to the inside of the carrier wheel shaft at the same time, the taper sleeve is expanded or shrunk through cooperation of the taper sleeve and the carrier wheel shaft with taper, the effect of locking or loosening the tungsten carbide roller ring is realized, the purpose of quickly installing and disassembling the tungsten carbide roller ring is achieved, and the problems of that the loop wheel of the high-speed wire rod finishing mill cannot be normally disassembled and maintained and raw material is wasted during hot installation are solved. BRIEF DESCRIPTION OF DRAWINGS

[0012] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or prior art description will be briefly introduced.

[0013] Figure 1 It is the overall structure schematic diagram of the combined loop wheel of the first embodiment of the utility model.

[0014] Figure 2 It is the cross section structure schematic diagram of the combined loop wheel of the first embodiment of the utility model.

[0015] Figure 3 It is the cross section structure schematic diagram of the installation assembly of the first embodiment of the utility model.

[0016] Figure 4 It is the structure schematic diagram of the limiting assembly of the first embodiment of the utility model.

[0017] In the figure: 101 - supporting wheel shaft, 102 - cone sleeve, 103 - pressing end cover, 104 - pressing bolt, 105 - tungsten carbide roller ring, 106 - ball bearing, 107 - supporting wheel shaft box, 108 - sealing end cover, 109 - sealing bolt, 110 - fixing end cover, 111 - fixing bolt, 112 - fixing hole. DETAILED DESCRIPTION

[0018] The embodiments of the present application are described in detail below, examples of which are shown in the accompanying drawings, the embodiments described below by referring to the accompanying drawings are exemplary and are intended to explain the present application, and cannot be understood as a limitation of the present application.

[0019] The first embodiment of the present application is:

[0020] Please refer to Figures 1 to 4 , wherein, Figure 1 is the overall structure diagram of the combined loop wheel of the first embodiment of the present application, Figure 2 is the cross-sectional structure diagram of the combined loop wheel of the first embodiment of the present application, Figure 3 is the cross-sectional structure diagram of the mounting assembly of the first embodiment of the present application, Figure 4 is the structure diagram of the limiting assembly of the first embodiment of the present application, the present application provides a combined loop wheel, which comprises a supporting wheel shaft 101, a mounting assembly, a limiting assembly and a fixing assembly, the mounting assembly comprises a cone sleeve 102, a pressing end cover 103, a pressing bolt 104 and a tungsten carbide roller ring 105, the limiting assembly comprises a ball bearing 106 and a supporting wheel shaft box 107, and the fixing assembly comprises a sealing end cover 108, a sealing bolt 109, a fixing end cover 110 and a fixing bolt 111; the foregoing scheme solves the problems of abnormal disassembly and maintenance of the high-speed wire rod finishing mill loop wheel hot loading and waste of raw materials.

[0021] For this specific embodiment, the cone sleeve 102 is detachably connected with the roller shaft 101 and located outside the roller shaft 101, the pressing end cover 103 is detachably connected with the roller shaft 101 and located outside the roller shaft 101, the pressing bolt 104 is threadedly connected with the roller shaft 101 and passes through the pressing end cover 103, the tungsten carbide roller ring 105 is slidingly connected with the cone sleeve 102 and located outside the cone sleeve 102, the limiting assembly and the fixing assembly are respectively connected with the roller shaft 101, the roller shaft 101 provides support for the cone sleeve 102, the front end of the roller shaft 101 is a tapered shaft, the cone sleeve 102 is used to provide fixation for the tungsten carbide roller ring 105, the pressing end cover 103 provides limiting action for the cone sleeve 102, the position of the pressing end cover 103 is fixed through the pressing bolt 104, when the tungsten carbide roller ring 105 is installed, the pressing end cover 103 is tightened by rotating the pressing bolt 104, at the same time, the cone sleeve 102 is pushed towards the inside of the roller shaft 101, the cone sleeve 102 is expanded or shrunk by cooperating with the tapered roller shaft 101, so as to achieve the effect of locking or loosening the tungsten carbide roller ring 105, and the purpose of quickly installing and disassembling the tungsten carbide roller ring 105 is achieved.

[0022] Among them, the number of the ball bearing 106 is two, the two ball bearings 106 are respectively rotatably connected with the roller shaft 101 and respectively located at both ends of the roller shaft 101, the roller shaft box 107 is rotatably connected with the ball bearing 106 and located outside the roller shaft 101, the roller shaft box 107 provides support for the whole device, the ball bearing 106 provides rotation effect for the roller shaft 101, so that the roller shaft 101 can rotate along the ball bearing 106 after the device is installed.

[0023] Secondly, the sealing end cover 108 is detachably connected with the roller shaft 101 and located outside the roller shaft 101, the number of the sealing bolt 109 is multiple, the multiple sealing bolts 109 are respectively threadedly connected with the roller shaft box 107 and respectively pass through the sealing end cover 108, the sealing end cover 108 seals the end part of the roller shaft 101 and the ball bearing 106, and the sealing bolt 109 is used to fix the sealing end cover 108 at the tail end of the roller shaft 101.

[0024] Again, the fixed end cover 110 is detachably connected with the carrier wheel shaft 101, and is located at one end of the carrier wheel shaft 101 away from the sealing end cover 108. The number of the fixed bolts 111 is multiple. The multiple fixed bolts 111 are respectively fixedly connected with the carrier wheel shaft box 107 and pass through the fixed end cover 110. The fixed end cover 110 provides support and fixing effect for the carrier wheel shaft box 107. The fixed end cover 110 is fixed outside the carrier wheel shaft box 107 through the fixed bolts 111, and the fixed end cover 110 is fixed.

[0025] Finally, the surface of the fixed end cover 110 is also provided with multiple fixing holes 112. The carrier wheel shaft box 107 and the fixed end cover 110 are fixed inside the high-speed wire rod finishing mill through the fixing holes 112, and the installation and disassembly of the combined loop wheel are facilitated.

[0026] Using the combined loop wheel of the embodiment, the carrier wheel shaft 101 provides support effect for the taper sleeve 102. The front end of the carrier wheel shaft 101 is a tapered shaft. The taper sleeve 102 is used to provide fixing effect for the tungsten carbide roller ring 105. The compression end cover 103 provides limiting effect for the taper sleeve 102. The position of the compression end cover 103 is fixed through the compression bolts 104. When the tungsten carbide roller ring 105 is installed, the compression end cover 103 is tightened by rotating the compression bolts 104, and the taper sleeve 102 is pushed to the inside of the carrier wheel shaft 101. The taper sleeve 102 is expanded or shrunk by cooperating with the tapered carrier wheel shaft 101, so as to achieve the effect of locking or loosening the tungsten carbide roller ring 105, and the purpose of quickly installing and disassembling the tungsten carbide roller ring 105 is achieved. The problem of normal disassembly and maintenance of the high-speed wire rod finishing mill loop wheel during hot installation and waste of raw materials is solved.

[0027] The above only discloses one or more preferred embodiments of the application, and cannot limit the scope of the application. Those skilled in the art can understand that all or part of the above-mentioned processes can be implemented, and equivalent changes made according to the claims of the application still belong to the scope covered by the application.

Claims

1. A combined loop wheel comprising a supporting wheel shaft, characterized in that, It further comprises a mounting assembly, a limiting assembly and a fixing assembly; The mounting assembly comprises a taper sleeve, a pressing end cover, a pressing bolt and a tungsten carbide roller ring, the taper sleeve is detachably connected with the supporting wheel shaft and located outside the supporting wheel shaft, the pressing end cover is detachably connected with the supporting wheel shaft and located outside the supporting wheel shaft, the pressing bolt is threadedly connected with the supporting wheel shaft and passes through the pressing end cover, the tungsten carbide roller ring is slidingly connected with the taper sleeve and located outside the taper sleeve, and the limiting assembly and the fixing assembly are connected with the supporting wheel shaft respectively.

2. The combined loop wheel according to claim 1, characterized in that, The limiting assembly comprises two ball bearings and a supporting wheel shaft box, the two ball bearings are rotatably connected with the supporting wheel shaft respectively and located at two ends of the supporting wheel shaft respectively, and the supporting wheel shaft box is rotatably connected with the ball bearings and located outside the supporting wheel shaft.

3. The combined loop wheel according to claim 2, characterized in that, The fixing assembly comprises a sealing end cover and a plurality of sealing bolts, the sealing end cover is detachably connected with the supporting wheel shaft and located outside the supporting wheel shaft, and the plurality of sealing bolts are threadedly connected with the supporting wheel shaft box respectively and pass through the sealing end cover respectively.

4. The combined loop wheel according to claim 3, characterized in that, The fixing assembly further comprises a fixing end cover and a plurality of fixing bolts, the fixing end cover is detachably connected with the supporting wheel shaft and located at an end of the supporting wheel shaft away from the sealing end cover, and the plurality of fixing bolts are fixedly connected with the supporting wheel shaft box respectively and pass through the fixing end cover.

5. The combined loop wheel according to claim 4, characterized in that, A plurality of fixing holes are further arranged on the surface of the fixing end cover.

Images