CN102941230B - Gear distribution box of main transmission device of periodic pipe mill - Google Patents
Gear distribution box of main transmission device of periodic pipe mill Download PDFInfo
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- CN102941230B CN102941230B CN201210510791.3A CN201210510791A CN102941230B CN 102941230 B CN102941230 B CN 102941230B CN 201210510791 A CN201210510791 A CN 201210510791A CN 102941230 B CN102941230 B CN 102941230B
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Abstract
The invention discloses a gear distribution box of a main transmission device of a periodic pipe mill. The gear distribution box comprises a lower box and a box cover covering the lower box, wherein a first groove and a second groove which penetrate through the front part and the rear part are respectively formed in at least one pair of corresponding connection surfaces of the lower box and the box cover; the first groove and the second groove define an accommodating through slot; and a wedge block adjustment device for adjustably and fixedly connecting the lower box and the box cover together is arranged in the accommodating through slot. In order to integrate the box cover and the lower box together, the wedge block adjustment device replaces the conventional mode based on a bolt and a nut which have large diameter. Therefore, the gear distribution box is easy to connect, low in processing cost, high in production efficiency, high in mounting stability and reliability and easy to maintain.
Description
Technical field
The present invention relates to the transmission device of seamless steel pipe production, particularly the gear distribution box of pilger mill main drive.
Background technology
Pilger mill is most important equipment in heavy caliber seamless steel pipe production line, and its effect is that the hollow hollow billet after perforation is rolled to thin pipe wall, controls internal-and external diameter wall thickness.The roll of pilger mill often rotates a circle and is called a rolling cycle, and the rolling cycle of countless passages is longitudinally rolled into the satisfactory pipe fitting of physical dimension in one section of one section of ground by hollow billet.The main drive of pilger mill comprises motor, reductor and gear distribution box etc., and this main drive has been that the power of flow of metal ensures.
As shown in figure 12, existing pilger mill main drive comprises main motor 100, motor coupler 101, main gear reducer 102, safety coupling 103, gear distribution box 104, spindle 105, spindle bracket 106 and spindle centralising device 107.In pilger mill main drive, the effect of gear distribution box is each roll that the power of motor is reasonably passed to main frame by the requirement of flow of metal, for example, the power of motor is divided into two-way to drive respectively topping roll and bottom roll.Gear distribution box not only plays a part shunting, also plays a part output torque.Therefore, the stability of gear distribution box transmission, will directly affect power transmission and the distribution of main motor.
As shown in Figure 13 and Figure 14, existing gear distribution box 104 comprises nowel 108, covers at the case lid 109 on nowel 108, and by nowel 108 and case lid 109 connecting bolt 113 linking together and the nut 114,115 being mated.Gear distribution box 104 also comprises and is arranged on nowel 108 and case lid 109 encloses two gear shafts 110 up and down in the cavity forming, and is arranged on gear 133 on gear shaft 110, parts such as bearing 111 and front-end bearing pedestal 112, rear bearing block 118 for support teeth wheel shaft 110.The nowel 108 of gear distribution box comprises the hollow body 140 of an opening upwards, be arranged at main body 140 front ends front end frame 150, be arranged at the rear end frame 160 of main body 140 rear ends, and this main body 140 comprises from the both sides of main body vertically the sidewall 170 that front end frame 150 and rear end frame 160 are linked together.Front end frame 150 and rear end frame 160 are a pedestal with U-shaped groove, this pedestal comprise form the first side arm 126 of U-shaped left arm and with the first side arm 126 Parallel Symmetric settings, form the second wall 128 of U-shaped right arm, the two ends of upper and lower two gears 110 are supported in the U-shaped groove of front end frame 150 and rear end frame 160 by bearing 111 and front-end bearing pedestal 112, rear bearing block 118.
As shown in figure 13, the first side arm 126 and the second side arm 128 all have the first shoulder 131, are positioned at the second shoulder 141 of the first shoulder 131 outside projections in below.The end face 144 of end face 142, lateral surface 143 and second shoulder 141 of the first shoulder 131 is all nowel 108 composition surfaces for engaging with case lid 109.In the first side arm 126 and the second side arm 128, offer the first deep hole 145 along the short transverse of nowel, the first deep hole 145 can extend or also can be from the end face of the first shoulder 131 142 to downward-extension certain altitude along the whole height of nowel 108, and connects and offer groove 146 vertically in the end of the first deep hole 145.
As shown in Figure 13,14, the case lid 109 of gear distribution box 104 is the cover bodies that are roughly inverted U-shaped, comprises top board 132, the first side plate 134 and the second side plate 135 to downward-extension respectively from the left and right sides of the front/rear end of this top board.The bottom surface of medial surface, the first side plate 134 and second side plate 135 of rear and front end, bottom surface part, the first side plate 134 and second side plate 135 of top board 132 is the composition surface for engaging with nowel 108 of case lid 109.Case lid 109 with the first deep hole 145 correspondence positions of nowel 108 on offer the second through hole 147.The key factor that determines the stability of gear distribution box transmission, is not only to make nowel and case lid positive engagement, and will makes bearing block and case lid positive engagement.Nowel and case lid are connected into entirety by the common nut 114,115 that adopts larger-diameter connecting bolt 113 and match with it of existing gear distribution box, connecting bolt 113 penetrates in the second through hole 147 and the first deep hole 145, and at the two ends of connecting bolt 113 fit on nut 114, nut 115 respectively, connect to guarantee bearing block and case lid positive engagement by the locking of nut.Only have to connect reliably, just can make the nowel of gear distribution box and case lid and case lid and bearing block carry out reliably combination, and then it is good to reach gear pair engagement, completes normal delivery and the reasonable distribution of moment of torsion.
Meanwhile, as shown in figure 15, the end face middle part of two sidewalls 170 of lower box main body 140 is connected with case lid corresponding site with nut 117 by the bolt 116 of small diameter, thereby forms the ancillary method that nowel 108 is reliably connected with case lid 109.
The nowel of the gear distribution box of above-mentioned prior art, case lid are to be mainly connected to entirety by connecting bolt 113 and nut 114,115, in order to make to connect reliably, connecting bolt is conventionally long and diameter is also larger, therefore screw-down torque is also very large, connect required instrument specification also large, cost is also high; In addition, for connecting bolt is installed, need on the precalculated position of case lid, offer through hole in advance, and in the corresponding position deep hole processing of the nowel of gear distribution box, difficulty of processing is large, production efficiency is low.Moreover, because the bearing of working in gear distribution box is consumable accessory, in use, need often to keep in repair, change, in the time changing bearing, need repeated disassembled and assembled bolt, nut, therefore the labour intensity of maintenance is larger, increase maintenance cost, and reduced production efficiency.
Therefore, the gear distribution box installation cost of traditional pilger mill main drive is high, and production efficiency is low.
Summary of the invention
The object of the invention is to overcome the shortcoming of above-mentioned prior art, provide that a kind of cost is low, production efficiency is high, the gear distribution box of the pilger mill main drive of stability, good reliability is installed.
For achieving the above object, technical scheme of the present invention is as follows:
The invention provides a kind of gear distribution box of pilger mill main drive, this gear distribution box is provided with casing, and it comprises nowel and covers at the case lid on this nowel; This nowel comprises hollow body, front end frame and the rear end frame of opening upwards, and this front end frame and this rear end frame are arranged at respectively the front-end and back-end of this main body, for supporting the gear shaft in this gear distribution box; This case lid comprises top board, from the left and right sides of the rear and front end of this top board respectively to the first side plate and second side plate of downward-extension, top board, the first side plate and second side plate of this case lid engage and are supported on the front end frame and rear end frame of this nowel; Wherein, the first groove and the second groove that before and after being formed with respectively at least one pair of corresponding composition surface of this nowel and this case lid, connect, this first groove and this second groove enclose and form one and hold groove, this hold in groove, be provided with for adjustable ground by nowel the wedge adjusting device together with case lid fixed engagement.
Further, this wedge adjusting device comprises upper and lower stacked fixing voussoir and sliding wedge that can relative this fixing wedge slides and the locking device that this fixing voussoir, this sliding wedge, this nowel and this case lid are linked together.
Further, fixing voussoir is arranged on the below of this sliding wedge, and the upper surface of this fixing voussoir is inclined plane, and the bottom of this fixing voussoir is provided with and can be fastened on this and holds the recess on groove inner bottom surface; This sliding wedge is slidably disposed between this inner top surface that holds groove and this fixing voussoir and has the inclined lower surface matching with the upper surface of this fixing voussoir.
Further, the incline direction on the inclined plane between fixing voussoir and the sliding wedge of the wedge adjusting device of this casing front end, rear end is all consistent, and incline direction is low after low early and high after or front height.
Further, described locking device comprises: bolt, and one end is fixedly connected with this sliding wedge, and another external part extends and has an external screw thread outside this casing; Fixed stop, this casing of butt and this fixing voussoir; And locking nut, be combined near this fixed stop and with this bolt thread.
Further, the fixed stop structure that takes the shape of the letter U, the end wall of this fixed stop is provided with for being set in the through hole on bolt, the end face butt of the end of the lower wall of this fixed stop and fixing voussoir, and the end face of the end of upper side wall and nowel and case lid connects.
Further, the front end frame of this nowel and rear end frame are a pedestal with U-shaped groove, this pedestal comprises the first side arm and the second side arm, the first side arm and the second side arm all have the first shoulder, are positioned at first outwards the second shoulder of projection of shoulder below, wherein the end face of the first shoulder is for engaging with the bottom surface of the top board of this case lid, the lateral surface of the first shoulder is for engaging with the first side plate of this case lid and the medial surface of the second side plate, and the end face of the second shoulder is for engaging with the first side plate of this case lid and the bottom surface of the second side plate.
Further, on the lateral surface of the front end frame of this nowel and each first shoulder of rear end frame, all offer this first groove to front and back perforation vertically, on the first side plate of this case lid and the medial surface of this second side plate, front and back connect and offer this second groove relative with this first groove vertically.
Further, this gear distribution box also comprises: be arranged on by this nowel and this case lid and enclose upper and lower two gear shafts in the cavity forming, be arranged on respectively the gear on described gear shaft, and for supporting bearing and the bearing block at each gear shaft two ends; The two ends of upper and lower two gear shafts are supported in the front end frame of this nowel and the U-shaped groove of rear end frame by bearing and bearing block.
Further, the cross section that holds groove described in is rectangular or square.
As shown from the above technical solution, gear distribution box advantage and the beneficial effect of pilger mill main drive of the present invention are: in the present invention, for the case lid of gear distribution box and nowel are connected to entirety, adopt wedge adjusting device to replace the connected mode of existing larger-diameter connecting bolt and nut.Connect design owing to changing, adjust the power that the required power of sliding wedge is connected with case lid much smaller than nowel, so reduced the diameter of thread of the bolt coordinating with locking nut, make gear distribution box attended operation more laborsaving, convenient, and diminish owing to connecting needed instrument specification, so reduce the purchase cost of fastening means; And, owing to having changed the connected mode of nowel and case lid, in nowel, do not need deep hole processing, reduce the processing cost of nowel; In the time of maintenance of equipment, owing to no longer adopting existing not only long but also large connecting bolt, so reduce the labour intensity of maintenance and reduce maintenance time.Therefore, it have be easy to connect, processing cost is low, production efficiency is high, stability, good reliability are installed, the advantage such as for ease of maintenaince.
By the explanation to the embodiment of the present application referring to accompanying drawing, the application's above-mentioned and other objects, features and advantages will be more obvious.
Brief description of the drawings
Fig. 1 is that pilger mill main drive gear distribution box master of the present invention looks schematic diagram;
Fig. 2 is the cutaway view of distributor box of the present invention along the A-A line in Fig. 1;
Fig. 3 is that the master that gear distribution box of the present invention is not installed wedge adjusting device looks schematic diagram;
Fig. 4 is the left view of Fig. 3, and the right side of this left view is cut open and the groove that holds of the present invention shown in broken lines along the D-D line in Fig. 3;
Fig. 5 is that the master of gear distribution box nowel of the present invention looks schematic diagram;
Fig. 6 is the top view of Fig. 5, and the position of groove in nowel that hold of the present invention is shown;
Fig. 7 is that the master of gear distribution box case lid of the present invention looks schematic diagram;
Fig. 8 is the left view of Fig. 7, and the right side of this left view is cut open along the E-E line in Fig. 7;
Fig. 9 is the top view of Fig. 7, wherein the position of groove in case lid that hold of the present invention shown in broken lines;
Figure 10 is the amplification view of gear distribution box of the present invention along the B-B line in Fig. 1, and the situation that wedge adjusting device of the present invention engages with nowel is shown;
Figure 11 is the amplification view of gear distribution box of the present invention along the C-C line in Fig. 1, and the situation that wedge adjusting device of the present invention engages with case lid is shown;
Figure 12 is existing pilger mill main drive device schematic diagram;
Figure 13 is the gear distribution box schematic diagram of existing pilger mill main drive;
Figure 14 is the cutaway view of existing pilger mill main drive gear distribution box along the F-F line in Figure 13; And
Figure 15 is the left view of Figure 13.
Detailed description of the invention
Describe specific embodiments of the invention in detail below in conjunction with accompanying drawing.It should be noted that the embodiments described herein, only for illustrating, is not limited to the present invention.
For ease of the gear distribution box of the present invention in accompanying drawing is described, now do following regulation: as the master of Fig. 1 looks as shown in schematic diagram, be the fore-and-aft direction of distributor box along X to (axial), defining each parts is end along fore-and-aft direction; The left and right directions that is distributor box along Y-direction, defining each parts is side along left and right directions; Be above-below direction along Z direction.
As depicted in figs. 1 and 2, the gear distribution box of pilger mill main drive of the present invention, comprising: nowel 1, cover at case lid 2(nowel 1 on nowel 1 and case lid 2 and form the casing of gear distribution box) and for adjustable ground by nowel 1 wedge adjusting device together with case lid 2 fixed engagement.This gear distribution box also comprise be arranged on nowel 1 and case lid 2 enclose two gear shafts 4 up and down in the cavity forming, be arranged on gear 5 on gear shaft 4, for the parts such as bearing 6 and bearing block 7 of support teeth wheel shaft 4.These parts can be same as the prior art, in the application, repeats no more.
As shown in Figure 2, Figure 5 and Figure 6, the nowel 1 of gear distribution box comprise an opening upwards hollow body 40, be arranged at main body 40 front ends front end frame 12, be arranged at the rear end frame 14 of main body 40 rear ends, and this main body 40 comprises from the both sides of main body vertically the sidewall that front end frame 12 and rear end frame 14 are linked together.Front end frame 12 and rear end frame 14 are a pedestal with U-shaped groove, pedestal comprise form the first side arm 26 of U-shaped left arm and with these the first side arm 26 Parallel Symmetric settings, form the second side arm 28 of U-shaped right arm.As shown in Figure 2, the two ends of upper and lower two gear shafts 4 are supported in the U-shaped groove of front end frame 12 and rear end frame 14 by bearing 6 and axle bearing 7.
As shown in Figure 5, the first side arm 26 and the second side arm 28 all have the first shoulder 30, are positioned at the second shoulder 31 of the first shoulder 30 outside projections in below.The end face 311 of end face 301, lateral surface 302 and second shoulder 31 of the first shoulder 30 is all nowel 1 composition surfaces for engaging with case lid 2.In this preferred embodiment, on one of them composition surface of nowel 1,, on the lateral surface 302 of the first shoulder 30, front and back connect and offer the first groove 3A vertically.This first groove 3A can adopt the machining mode of usual use, and for example milling is processed.In the present embodiment, because front end frame 12 and rear end frame 14 all have the second side arm and the first side arm that are arranged symmetrically with, so nowel 1 amounts to and offers altogether four the first groove 3A in the present embodiment.Certainly, the quantity of the first groove 3A is not limited to this also can be more, for example, six or eight grooves can be set as required.In addition, the position of the first groove 3A also can be opened in other composition surfaces of nowel 1, the end face 301 of for example the first shoulder 30 or the end face 311 of the second shoulder 31.
As shown in Figure 7 to 9, the case lid 2 of gear distribution box is the cover body that is roughly inverted U-shaped, comprises top board 32, the first side plate 33 and the second side plate 34 to downward-extension respectively from the left and right sides of the front/rear end of top board.The bottom surface 35 of medial surface 21, the first side plate 33 and second side plate 34 of rear and front end, bottom surface part, the first side plate 33 and second side plate 34 of top board 32 is the composition surface for engaging with nowel 1 of case lid 2.In the present embodiment, on one of them composition surface of case lid 2,, on the medial surface 21 of the first side plate 33 and the second side plate 34, front and back connect and offer the second groove 3B vertically.This second groove 3B can adopt the machining mode of usual use, and for example milling is processed.In the present embodiment, four the first groove 3A are set on the composition surface due to the nowel 1 at gear distribution box, accordingly, on the composition surface of case lid 2, are provided with four the second groove 3B.Certainly, the quantity of the second groove 3B is not limited to this also can be more, for example, six or eight grooves are set altogether.In addition, the position of the second groove 3B also can be opened in the first groove 3A other composition surfaces of case lid 2, rear and front end, the bottom surface part of for example bottom surface 35 of the first side plate 33 and the second side plate 34, or top board 32 accordingly.
As Fig. 1, Fig. 3, shown in Fig. 4, when case lid 2 covers on nowel 1, composition surface (the end face 301 of the first shoulder 30 of nowel 1, the end face 311 of lateral surface 302 and the second shoulder 31) and the composition surface (medial surface 21 of the first side plate 33 and the second side plate 34 of case lid 2, the bottom surface 35 of the first side plate 33 and the second side plate 34, the bottom surface two end portions of top board 32) corresponding joint (as shown in arrow S in Fig. 1), now, not only by the main body 40 of top board 32 and the nowel 1 of case lid 2, front end frame 12, rear end frame 14 jointly encloses and forms for holding gear shaft, gear, the cavity of bearing and bearing block, and by the first groove 3A of nowel 1 and the second groove 3B of case lid 2 jointly form connect before and after one hold groove 3, between both at least one pair of re-spective engagement faces of nowel 1 and case lid 2, form this and hold groove 3.In the present embodiment, the cross section that holds groove 3 is designed to rectangle or square, but is also not limited to this, can adopt other shape of cross section, for example trapezoidal.
Wedge adjusting device is arranged on and holds in groove 3, comprises upper and lower stacked fixing voussoir 9 and the sliding wedge 10 of cooperating and locking device nowel 1 and case lid 2 being linked together by fixing voussoir 9 and sliding wedge 10 with it.See also Fig. 1, Figure 10 and Figure 11, wherein, Figure 10 is the amplification view of gear distribution box of the present invention along the B-B line in Fig. 1, and the situation that wedge adjusting device of the present invention engages with nowel 1 is shown; Figure 11 is the amplification view of gear distribution box of the present invention along the C-C line in Fig. 1, and the situation that wedge adjusting device of the present invention engages with case lid 2 is shown.
The axial length L 1 of fixing voussoir 9 is greater than the axial length L 0 of holding groove 3, the bottom of fixing voussoir 9 is provided with and can be fastened on the recess 16 holding on groove 3 inner bottom surfaces, recess 16 is combined in close-fitting mode with nowel 1 and case lid 2 that formation is held groove 3, preferably carry out combination in the mode of engaging, thereby by fixing voussoir 9, a part of end of nowel 1 and case lid 2 is fastened togather, prevents that nowel 1 and case lid 2 from relatively moving in the axial direction.The upper surface of this fixing voussoir 9 is an inclined plane, and as shown in the preferred embodiment of Fig. 9 or Figure 10, this inclined plane is low inclined-plane after front height, and the form on this inclined plane is not limited to this, also can adopt low early and high after inclined-plane form.Sliding wedge 10 is slidably disposed on fixing voussoir 9, and its lower surface is the inclined plane of matching with the upper surface of fixing voussoir 9.Fixing voussoir 9, sliding wedge 10 are made up of carbon iron or alloyed iron conventionally, but are also not limited to this, can adopt other suitable material to make described voussoir.In this preferred embodiment, fixing voussoir 9 is fastened on and holds on groove 3 inner bottom surfaces, sliding wedge 10 is mounted slidably in holding between groove 3 inner top surfaces and fixing voussoir 9, but the present invention is not limited to shown in this preferred embodiment, also can turn upside down in the position of fixing voussoir 9 and sliding wedge 10.In this preferred embodiment, the incline direction on the inclined plane between fixing voussoir and the sliding wedge of four wedge adjusting devices of casing front end, rear end is all consistent, but the present invention is not limited to this, it can make the incline direction on inclined plane of each wedge adjusting device consistent or contrary according to the front and back position adjustment of locking device.In addition, according to the variant embodiment of the preferred embodiment, for example, the mating surface of sliding wedge and fixing voussoir is the non-inclined-plane of plane, and the upper surface of sliding wedge cooperatively interacts with inclined plane with the inner top surface that holds groove.
Locking device comprises bolt 12, fixed stop 14 and locking nut 15, links together for fixing voussoir 9, sliding wedge 10, nowel 1 and case lid 2.One end of the bolt 12 of locking device is fixedly installed in sliding wedge 10, and the other end (external part) extends to outside gear distribution box casing and has external screw thread.This bolt 12 is provided with successively fixed stop 14 and locking nut 15 on the external part (being the aforementioned other end) beyond casing, fixed stop 14 can adopt various structures form, for example, as shown in Figure 10 or Figure 11, be U-shaped version substantially, the end wall 17 of fixed stop 14 is provided with for the through hole 18 through bolt, the end 19 of the lower wall of fixed stop and the front end face butt of fixing voussoir 9, and the end 20 of upper side wall connects with the front end face of nowel 1 and case lid 2.By screwing locking nut 15, fixed stop 14, on the one hand as the contact-making surface of locking nut 15, passes to the fastening force of locking nut 15 nowel 1 and case lid 2 on the other hand.Locking nut 15 is to be arranged on bolt 12 near the mode of fixed stop 14.
In the time that nowel 1 is connected with case lid 2, by adjusting the position of sliding wedge 10, case lid 2 is moved along the vertical direction, the corresponding middle part, bottom surface that ensures the upper surface of bearing block 7 and the top board 32 of case lid 2 engages (as shown in Figure 3, arrow indicates the position of contact-making surface M between bearing block and case lid), nowel 1 and case lid 2 engage, after determining that joint is good, apply certain locking torque to the locking nut 15 on bolt 12 with locking tool, force fixed stop to abut against on the front end face of nowel 1 and case lid 2, guarantee stable connection, thereby ensure the stability of gear distribution box transmission.
In addition, be arranged in fact near the position of bearing block 7 for connecting nowel 1 and case lid 2 rear and front ends by the known wedge adjusting device of the present invention of aforementioned description, and the end face middle part of two sidewalls of the main body 40 of nowel 1, adopt the screw bolt and nut of small diameter to be similarly to the prior art connected with case lid 2 corresponding sites, thereby form the ancillary method that nowel 1 is reliably connected with case lid 2.
In the time of the gear distribution box of assembling pilger mill main drive of the present invention:
First, gear 5, bearing 6 and gear shaft 4 are assembled into axle system, this axle system is loaded in bearing block 7, and this bearing block 7 and axle system are loaded in the nowel 1 of gear distribution box, then case lid 2 is covered on nowel; Secondly, wedge adjusting device is arranged on to holding in groove 3 of being made up of the first groove 3A and the second groove 3B, be specially and will fix voussoir 9 and put into and hold groove 3, be arranged on and held in groove in close-fitting mode, the recess 16 that is about to fixing voussoir 9 holds the nowel 1 of groove 3 with formation and the front/rear end of case lid 2 engages, thereby by fixing voussoir 9, nowel is relative fixing vertically with case lid; Then, the sliding wedge of strap bolt 12 10 is put into and held in groove 3 and it is slightly slided before and after the inclined plane of fixing voussoir 9.Adjust the position of sliding wedge 10, the middle part, bottom surface that ensures the upper surface of bearing block 7 and the top board of case lid 32 engages, and nowel 1 engages with case lid 2, in the same way, other several wedge adjusting devices are respectively charged into and are held accordingly in groove 3, and carry out preliminary fastening with locking nut 15.Finally, the gap of contact-making surface M between upper surface and the case lid of measurement bearing block 7 reaches after matching requirements, locking nut 15 is resisted against to fixed dam 14 and is locked on bolt 12, the corresponding position of the end face middle part of two sidewalls of the main body of nowel 1 40 and case lid 2 is locked with the screw bolt and nut of smaller diameter simultaneously, thereby guarantee stable connection.
The present invention is bonded together nowel and case lid by arranging to hold groove and be arranged in this wedge adjusting device that holds groove between nowel and the relative bonding face of case lid; By adopting wedge adjusting device, have advantages of and be easy to install and use, thereby can ensure that gear distribution box can be stablized, installation reliably.Owing to having improved the connected mode of nowel and case lid, no longer adopt existing not only long but also large connecting bolt, so reduced the labour intensity of maintenance and reduced maintenance time.
Although described the application with reference to exemplary embodiments, should be appreciated that term used is explanation and exemplary and nonrestrictive term.Because can specifically implementing in a variety of forms, the application do not depart from spirit or the essence of invention, so be to be understood that, above-described embodiment is not limited to any aforesaid details, and explain widely in the spirit and scope that should limit in the claim of enclosing, therefore fall into whole variations in claim or its equivalent scope and remodeling and all should be the claim of enclosing and contain.
Claims (9)
1. a gear distribution box for pilger mill main drive, comprising:
Casing, it comprises nowel and covers at the case lid on this nowel; This nowel comprises hollow body, front end frame and the rear end frame of opening upwards, and this front end frame and this rear end frame are arranged at respectively the front-end and back-end of this main body, for supporting the gear shaft in this gear distribution box; This case lid comprises top board, from the left and right sides of the rear and front end of this top board respectively to the first side plate and second side plate of downward-extension, top board, the first side plate and second side plate of this case lid engage and are supported on the front end frame and rear end frame of this nowel;
It is characterized in that, the first groove and the second groove that before and after being formed with respectively at least one pair of corresponding composition surface of this nowel and this case lid, connect, this first groove and this second groove enclose and form one and hold groove, this hold in groove, be provided with for adjustable ground by this nowel the wedge adjusting device together with this case lid fixed engagement;
The front end frame of this nowel and rear end frame are a pedestal with U-shaped groove, this pedestal comprises the first side arm and the second side arm, the first side arm and the second side arm all have the first shoulder, are positioned at first outwards the second shoulder of projection of shoulder below, wherein the end face of the first shoulder is for engaging with the bottom surface of the top board of this case lid, the lateral surface of the first shoulder is for engaging with the first side plate of this case lid and the medial surface of the second side plate, and the end face of the second shoulder is for engaging with the first side plate of this case lid and the bottom surface of the second side plate.
2. the gear distribution box of pilger mill main drive as claimed in claim 1, it is characterized in that, this wedge adjusting device comprises upper and lower stacked fixing voussoir and sliding wedge that can relative this fixing wedge slides and the locking device that this fixing voussoir, this sliding wedge, this nowel and this case lid are linked together.
3. the gear distribution box of pilger mill main drive as claimed in claim 2, it is characterized in that, this fixing voussoir is arranged on the below of this sliding wedge, and the upper surface of this fixing voussoir is inclined plane, and the bottom of this fixing voussoir is provided with and can be fastened on this and holds the recess on groove inner bottom surface; This sliding wedge is slidably disposed between this inner top surface that holds groove and this fixing voussoir and has the inclined lower surface matching with the upper surface of this fixing voussoir.
4. the gear distribution box of pilger mill main drive as claimed in claim 3, it is characterized in that, the incline direction on the inclined plane between fixing voussoir and the sliding wedge of the wedge adjusting device of this casing front end, rear end is all consistent, and incline direction is low after low early and high after or front height.
5. the gear distribution box of pilger mill main drive as claimed in claim 2, is characterized in that, described locking device comprises:
Bolt, one end is fixedly connected with this sliding wedge, and another external part extends and has an external screw thread outside this casing;
Fixed stop, this casing of butt and this fixing voussoir; And
Locking nut, is combined near this fixed stop and with this bolt thread.
6. the gear distribution box of pilger mill main drive as claimed in claim 5, it is characterized in that, the described fixed stop structure that takes the shape of the letter U, the end wall of this fixed stop is provided with for being set in the through hole on bolt, the end face butt of the end of the lower wall of this fixed stop and fixing voussoir, and the end face of the end of upper side wall and nowel and case lid connects.
7. the gear distribution box of pilger mill main drive as claimed in claim 1, it is characterized in that, on the lateral surface of the front end frame of this nowel and each first shoulder of rear end frame, all offer this first groove to front and back perforation vertically, on the first side plate of this case lid and the medial surface of this second side plate, front and back connect and offer this second groove relative with this first groove vertically.
8. the gear distribution box of pilger mill main drive as claimed in claim 1, it is characterized in that, this gear distribution box also comprises: be arranged on by this nowel and this case lid and enclose upper and lower two gear shafts in the cavity forming, be arranged on respectively the gear on described gear shaft, and for supporting bearing and the bearing block at each gear shaft two ends; The two ends of upper and lower two gear shafts are supported in the front end frame of this nowel and the U-shaped groove of rear end frame by bearing and bearing block.
9. the gear distribution box of pilger mill main drive as claimed in claim 1, is characterized in that, described in hold groove cross section be square.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210510791.3A CN102941230B (en) | 2012-12-03 | 2012-12-03 | Gear distribution box of main transmission device of periodic pipe mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210510791.3A CN102941230B (en) | 2012-12-03 | 2012-12-03 | Gear distribution box of main transmission device of periodic pipe mill |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102941230A CN102941230A (en) | 2013-02-27 |
| CN102941230B true CN102941230B (en) | 2014-09-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210510791.3A Expired - Fee Related CN102941230B (en) | 2012-12-03 | 2012-12-03 | Gear distribution box of main transmission device of periodic pipe mill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102941230B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4365524A (en) * | 1980-09-05 | 1982-12-28 | Tractech, Inc. | Torque-proportioning differential with wedge block thrust bearing means |
| CN101210570A (en) * | 2006-12-25 | 2008-07-02 | 上海东方泵业(集团)有限公司 | Sealing coupling structure for high-lift submersible pump |
| RU2334144C1 (en) * | 2007-04-02 | 2008-09-20 | ФГУП Опытное конструкторское бюро "ГИДРОПРЕСС" | Sealing assembly |
| CN201264040Y (en) * | 2008-09-18 | 2009-07-01 | 武汉科技大学 | Gear seat for main transmission of rolling mill |
| CN201696611U (en) * | 2010-06-10 | 2011-01-05 | 浙江超达阀门股份有限公司 | Pressure self-tightening sealing device |
| CN201825372U (en) * | 2010-05-14 | 2011-05-11 | 四川省文君酒厂有限责任公司 | Switching-off type anti-counterfeiting hoop and container using same |
| CN201866117U (en) * | 2010-06-01 | 2011-06-15 | 上海茂德企业集团有限公司 | Wedged quick-change coupling |
-
2012
- 2012-12-03 CN CN201210510791.3A patent/CN102941230B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4365524A (en) * | 1980-09-05 | 1982-12-28 | Tractech, Inc. | Torque-proportioning differential with wedge block thrust bearing means |
| CN101210570A (en) * | 2006-12-25 | 2008-07-02 | 上海东方泵业(集团)有限公司 | Sealing coupling structure for high-lift submersible pump |
| RU2334144C1 (en) * | 2007-04-02 | 2008-09-20 | ФГУП Опытное конструкторское бюро "ГИДРОПРЕСС" | Sealing assembly |
| CN201264040Y (en) * | 2008-09-18 | 2009-07-01 | 武汉科技大学 | Gear seat for main transmission of rolling mill |
| CN201825372U (en) * | 2010-05-14 | 2011-05-11 | 四川省文君酒厂有限责任公司 | Switching-off type anti-counterfeiting hoop and container using same |
| CN201866117U (en) * | 2010-06-01 | 2011-06-15 | 上海茂德企业集团有限公司 | Wedged quick-change coupling |
| CN201696611U (en) * | 2010-06-10 | 2011-01-05 | 浙江超达阀门股份有限公司 | Pressure self-tightening sealing device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102941230A (en) | 2013-02-27 |
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