阅读说明：本技术 排管锯减速机 (Speed reducer of pipe saw ) 是由 宋廷 钱江 于 2019-12-13 设计创作，主要内容包括：本申请公开了一种排管锯减速机,包括箱体以及从上往下依次转动设置在箱体内的输入轴、第一中间轴、第二中间轴和输出轴,输出轴的两端分别设有第一轴承座和第二轴承座,第一轴承座靠近输出轴的输出端设置且设置在箱体上,第二轴承座背离第一轴承座的一端固定有压板,箱体外设有液压缸,液压缸的输出端延伸至箱体内与压板连接,液压缸与输出轴平行设置,第二轴承座上套设有与箱体固定连接的盖板,盖板与第二轴承座之间设有间隙。该减速机通过结构调整,有效避免输出轴径向跳动,同时减振效果好,满足市场对排管锯减速机的高要求。(The application discloses calandria saw speed reducer, including the box and from last down rotate the input shaft that sets up in the box in proper order, first jackshaft, second jackshaft and output shaft, the both ends of output shaft are equipped with primary shaft bearing and secondary shaft bearing respectively, primary shaft bearing is close to the output setting of output shaft and sets up on the box, secondary shaft bearing deviates from the one end of primary shaft bearing and is fixed with the clamp plate, the box is equipped with the pneumatic cylinder outward, the output of pneumatic cylinder extends to and is connected with the clamp plate in the box, pneumatic cylinder and output shaft parallel arrangement, the cover is equipped with the apron with box fixed connection on the secondary shaft bearing, be equipped with the clearance between apron and the secondary shaft bearing. This speed reducer passes through structural adjustment, effectively avoids output shaft radial runout, and the damping is effectual simultaneously, satisfies the high requirement of market to calandria saw speed reducer.)

1. The utility model provides a calandria saw speed reducer which characterized in that: the automatic transmission device comprises a box body, an input shaft, a first intermediate shaft, a second intermediate shaft and an output shaft, wherein the input shaft, the first intermediate shaft, the second intermediate shaft and the output shaft are sequentially arranged in the box body from top to bottom in a rotating mode, the input end of the input shaft and the output end of the output shaft extend out of the box body, transmission gears are fixedly sleeved on the input shaft, the first intermediate shaft, the second intermediate shaft and the output shaft, the transmission gears on the second intermediate shaft are meshed with the transmission gears on the output shaft, gear sets are sleeved on the first intermediate shaft and the second intermediate shaft, the first intermediate shaft is meshed with the transmission gears on the input shaft through the gear sets, the second intermediate shaft is meshed with the transmission gears on the first intermediate shaft through the gear sets, a first bearing seat and a second bearing seat are respectively arranged at two, the one end that the second bearing frame deviates from first bearing frame is fixed with the clamp plate, the box is equipped with the pneumatic cylinder outward, the output of pneumatic cylinder extends to and is connected with the clamp plate in the box, pneumatic cylinder and output shaft parallel arrangement, the cover is equipped with the apron with box fixed connection on the second bearing frame, be equipped with the clearance between apron and the second bearing frame.

2. The pipe racking saw speed reducer according to claim 1, wherein: an angular contact bearing is arranged between the second bearing seat and the output shaft.

3. The pipe racking saw speed reducer according to claim 1, wherein: and a taper hole bearing is arranged between the first bearing seat and the output shaft.

4. The pipe racking saw speed reducer according to claim 1, wherein: the gear set comprises a main gear and an auxiliary gear which are coaxially arranged, an annular step is arranged on the end face of the main gear, the auxiliary gear is sleeved on the annular step, and a disc spring mechanism is arranged between the main gear and the auxiliary gear.

5. The pipe racking saw speed reducer according to claim 4, wherein: dish spring mechanism includes parallel arrangement's first locating pin and second locating pin, first locating pin runs through and is connected with master gear terminal surface interference fit behind the pinion terminal surface, the terminal surface of establishing at the pinion is inserted to the second locating pin, be equipped with the screw rod between first locating pin and the second locating pin, the screw rod runs through the second locating pin, the one end that the screw rod runs through the second locating pin is equipped with lock nut, the one end and the first locating pin fixed connection that the screw rod is close to first locating pin, the cover is equipped with the dish spring on the screw rod between first locating pin and the second locating pin, leave the space between first locating pin and the pinion.

6. The pipe racking saw speed reducer according to claim 1, wherein: the size of the gap is 5 mm.

7. The pipe racking saw speed reducer according to claim 1, wherein: the pressing plate is axially and convexly provided with a guide pin, the box body is convexly provided with a stop block, and the stop block is provided with a through hole for the guide pin to penetrate through.

8. The pipe racking saw speed reducer according to claim 1, wherein: and a taper hole bearing is also arranged between the box body and the output shaft.

Technical Field

The application relates to the field of speed reducers, in particular to a pipe saw speed reducer.

Background

The pipe arrangement saw is characterized in that after a steel pipe is cooled to a required temperature from a cooling bed, the steel pipe is conveyed to a head cutting, tail cutting and sizing baffle plate through an inlet roller way of a saw, the head end of the steel pipe is aligned and clamped, and the head cutting, the tail cutting and sizing are carried out.

Disclosure of Invention

The invention aims to provide a calandria saw speed reducer to overcome the defects in the prior art.

In order to achieve the purpose, the invention provides the following technical scheme:

the embodiment of the application discloses calandria saw speed reducer, its characterized in that: the automatic transmission device comprises a box body, an input shaft, a first intermediate shaft, a second intermediate shaft and an output shaft, wherein the input shaft, the first intermediate shaft, the second intermediate shaft and the output shaft are sequentially arranged in the box body from top to bottom in a rotating mode, the input end of the input shaft and the output end of the output shaft extend out of the box body, transmission gears are fixedly sleeved on the input shaft, the first intermediate shaft, the second intermediate shaft and the output shaft, the transmission gears on the second intermediate shaft are meshed with the transmission gears on the output shaft, gear sets are sleeved on the first intermediate shaft and the second intermediate shaft, the first intermediate shaft is meshed with the transmission gears on the input shaft through the gear sets, the second intermediate shaft is meshed with the transmission gears on the first intermediate shaft through the gear sets, a first bearing seat and a second bearing seat are respectively arranged at two, the one end that the second bearing frame deviates from first bearing frame is fixed with the clamp plate, the box is equipped with the pneumatic cylinder outward, the output of pneumatic cylinder extends to and is connected with the clamp plate in the box, pneumatic cylinder and output shaft parallel arrangement, the cover is equipped with the apron with box fixed connection on the second bearing frame, be equipped with the clearance between apron and the second bearing frame.

Preferably, in the above-described gang saw reducer, an angular contact bearing is provided between the second bearing housing and the output shaft.

Preferably, in the above pipe saw reducer, a tapered hole bearing is provided between the first bearing block and the output shaft.

Preferably, in foretell calandria saw speed reducer, the gear train includes main gear and the pinion of coaxial setting, be equipped with annular step on the terminal surface of main gear, the pinion cover is established on annular step, be equipped with dish spring mechanism between main gear and the pinion.

Preferably, in foretell calandria saw speed reducer, dish spring mechanism includes parallel arrangement's first locating pin and second locating pin, first locating pin runs through after the pinion terminal surface and is connected with master gear terminal surface interference fit, the terminal surface of establishing at the pinion is inserted to the second locating pin, be equipped with the screw rod between first locating pin and the second locating pin, the screw rod runs through the second locating pin, the one end that the screw rod runs through the second locating pin is equipped with lock nut, the one end and the first locating pin fixed connection that the screw rod is close to first locating pin, the cover is equipped with the dish spring on the screw rod between first locating pin and the second locating pin, leave the space between first locating pin and the pinion.

Preferably, in the above pipe saw reducer, the size of the gap is 5 mm.

Preferably, in the pipe saw speed reducer, the pressure plate is provided with a guide pin in an axial protruding manner, the box body is provided with a stop block in a protruding manner, and the stop block is provided with a through hole for the guide pin to penetrate through.

Preferably, in the above pipe saw reducer, a tapered hole bearing is further provided between the casing and the output shaft.

Compared with the prior art, the invention has the advantages that:

this speed reducer passes through structural adjustment, effectively avoids output shaft radial runout, and the damping is effectual simultaneously, satisfies the high requirement of market to calandria saw speed reducer.

Drawings

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

Fig. 1 is a schematic structural view of a pipe saw reducer according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a disc spring mechanism according to an embodiment of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described in detail below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

Referring to fig. 1-2, the pipe saw reducer in this embodiment includes a box 13, and an input shaft 1, a first intermediate shaft 2, a second intermediate shaft 3, and an output shaft 4 rotatably disposed in the box from top to bottom, wherein an input end of the input shaft 1 and an output end of the output shaft 4 extend out of the box, transmission gears 5 are fixedly sleeved on the input shaft 1, the first intermediate shaft 2, the second intermediate shaft 3, and the output shaft 4, the transmission gears 5 on the second intermediate shaft 3 are engaged with the transmission gears 5 on the output shaft 4, gear sets 6 are sleeved on the first intermediate shaft 2 and the second intermediate shaft 3, the first intermediate shaft 2 is engaged with the transmission gears 5 on the input shaft 1 through the gear set 6, the second intermediate shaft 3 is engaged with the transmission gears 5 on the first intermediate shaft 2 through the gear set 6, a first bearing 401 and a second bearing 402 are disposed at two ends of the output shaft 4, first bearing frame 401 is close to the output setting of output shaft 4 and sets up on box 13, and the one end that second bearing frame 402 deviates from first bearing frame 401 is fixed with clamp plate 7, is equipped with pneumatic cylinder 8 outside box 13, and the output of pneumatic cylinder 8 extends to and is connected with clamp plate 7 in the box 13, and pneumatic cylinder 8 and output shaft 4 parallel arrangement, the cover is equipped with the apron 9 with box 13 fixed connection on the second bearing frame 402, is equipped with clearance 403 between apron 9 and the second bearing frame 402.

Further, an angular contact bearing 10 is provided between the second bearing housing 402 and the output shaft 4.

Further, a taper hole bearing 11 is provided between the first bearing seat 401 and the output shaft 4.

Further, the size of the gap 403 is 5 mm.

In this technical scheme, the input shaft input is connected with the power supply, and the saw bit is connected to the output of output shaft, and the bearing frame sets up with the apron clearance to carry out axial positioning through the pneumatic cylinder, be favorable to vibration damping among the cutting process, and connect through the taper hole bearing, the radial runout of effectual control output shaft, thereby reach better cutting effect, satisfy the high requirement of market to calandria saw speed reducer.

In an embodiment, the gear set 6 includes a main gear 601 and a sub-gear 602 coaxially disposed, an annular step 603 is disposed on an end surface of the main gear 601, the sub-gear 602 is sleeved on the annular step 603, and a disc spring mechanism 12 is disposed between the main gear 601 and the sub-gear 602.

Further, the disc spring mechanism 12 includes a first positioning pin 1201 and a second positioning pin 1202 which are arranged in parallel, the first positioning pin 1201 penetrates through the end face of the pinion 1202 and then is connected with the end face of the main gear 1201 in an interference fit manner, the second positioning pin 1202 is inserted into the end face of the pinion 1202, a screw 1203 is arranged between the first positioning pin 1201 and the second positioning pin 1202, the screw 1203 penetrates through the second positioning pin 1202, a locking nut 1204 is arranged at one end of the screw 1203 penetrating through the second positioning pin 1202, one end of the screw 1203 close to the first positioning pin 1201 is fixedly connected with the first positioning pin 1201, a disc spring 1205 is sleeved on the screw 1203 between the first positioning pin 1201 and the second positioning pin 1202, and a gap is reserved between the first positioning pin 1201 and the pinion 1202.

In the technical scheme, the main gear is responsible for transmitting power, and the auxiliary gear is responsible for adjusting the gear clearance, thereby ensuring the stability of the saw blade, and the disc spring mechanism is responsible for buffering when in overload, and preventing the occurrence of accidents such as gear beating.

In one embodiment, the pressure plate 7 is provided with a guide pin 701 protruding axially, the box 13 is provided with a stopper 1301 protruding upwards, and the stopper 1301 is provided with a through hole 1302 for the guide pin 701 to pass through.

In this solution, the guide pin is used for the guiding function of the shock absorption buffer.

In one embodiment, a taper hole bearing 11 is further provided between the box 13 and the output shaft 4.

In the technical scheme, the connection is carried out through the taper hole bearing, and the radial runout of the output shaft is effectively controlled.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The foregoing is merely a detailed description of the present application, and it should be noted that modifications and embellishments could be made by those skilled in the art without departing from the principle of the present application, and these should also be considered as the protection scope of the present application.