CN204372061U - Gear reducer and boom hoisting - Google Patents

Gear reducer and boom hoisting Download PDF

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Publication number
CN204372061U
CN204372061U CN201420854247.5U CN201420854247U CN204372061U CN 204372061 U CN204372061 U CN 204372061U CN 201420854247 U CN201420854247 U CN 201420854247U CN 204372061 U CN204372061 U CN 204372061U
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CN
China
Prior art keywords
shaft
gear
axle
grades
sprocket
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn - After Issue
Application number
CN201420854247.5U
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Chinese (zh)
Inventor
邹金财
彭轩
欧斌
张金波
张昆
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Zhongche Nankow Machinery Co. Ltd.
Original Assignee
BEIJING NANKOU RAILWAY TRANSIT MACHINERY Co Ltd
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Filing date
Publication date
Application filed by BEIJING NANKOU RAILWAY TRANSIT MACHINERY Co Ltd filed Critical BEIJING NANKOU RAILWAY TRANSIT MACHINERY Co Ltd
Priority to CN201420854247.5U priority Critical patent/CN204372061U/en
Application granted granted Critical
Publication of CN204372061U publication Critical patent/CN204372061U/en
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Abstract

The utility model provides a kind of gear reducer and boom hoisting, comprising: casing, input shaft system, the 3rd axle system, the 4th axle system and output shaft system; Input shaft system comprises secondary driving gear shaft, and the 3rd axle system comprises: secondary driven gear, three grades of driving gear shafts, and secondary driving gear shaft engages with secondary driven gear, and secondary driven gear is fixedly connected with three grades of driving gear shafts; 4th axle system comprises: three grades of driven gears, level Four driving gear shafts, and three grades of driving gear shafts of the 3rd axle system engage with three grades of driven gears, and three grades of driven gears are fixedly connected with level Four driving gear shaft; Output shaft system comprises: level Four driven gear, output gear shaft, and output gear shaft is hollow gear shaft, and output gear shaft is sleeved on outside three grades of driving gear shafts of the 3rd axle system, and output gear shaft and three grades of driving gear shafts coaxial; The level Four driving gear shaft of the 4th axle system engages with level Four driven gear, and level Four driven gear is fixedly connected with output gear shaft.

Description

Gear reducer and boom hoisting
Technical field
The utility model relates to mechanical technique, particularly relates to a kind of gear reducer and boom hoisting.
Background technique
Retarder is a kind of common mechanical transmission of field of mechanical technique, and application relates to the industry-by-industry such as metallurgy, coloured, coal, building materials, boats and ships, water conservancy, electric power, engineering machinery and petrochemical industry.Hang moving device for the supporting preventer of oil-well rig, usually adopt the descending operation of gas control ring-chain hoist realization to preventer, pneumatic motor drives preventer to move up and down through lifting retarder deceleration rear driving ring-chain hoist.
Retarder conventional at present has plane table thermoconductivity meter, gear reducer; But plane table thermoconductivity meter complex structure, manufacture cost is high, and not easy-maintaining; Although gear reducer structure is simple, obtain big speed ratio if want, then need to use the axle of a greater number to coordinate transmission with gear, retarder certainly will be caused so bulky, and weight is large; Therefore the lifting requirements of the supporting preventer of oil-well rig cannot fully be met.
Model utility content
The utility model provides a kind of gear reducer and boom hoisting, in order to solve the problem that reducer structure is complicated, bulky, manufacture cost is high of prior art, by the suit of hollow gear shaft and solid gear shaft and feed back drive mechanism, achieve big speed ratio, and volume is little, structure is simple, the gear reducer that cost is low and apply the lifting device of this gear reducer.
An aspect of the present utility model is to provide a kind of gear reducer, comprising:
Casing, input shaft system, the 3rd axle system, the 4th axle system and output shaft system;
Described input shaft system, the 3rd axle system, the 4th axle system are fixedly installed in described casing successively parallel to an axis, and described input shaft system, the 3rd axle system, the 4th axle system running shaft separately rotate relative to described casing;
Described input shaft system comprises secondary driving gear shaft, described 3rd axle system comprises: secondary driven gear, three grades of driving gear shafts, described secondary driving gear shaft engages with described secondary driven gear, and described secondary driven gear is fixedly connected with described three grades of driving gear shafts;
Described 4th axle system comprises: three grades of driven gears, level Four driving gear shafts, and described three grades of driving gear shafts of described 3rd axle system engage with described three grades of driven gears, and described three grades of driven gears are fixedly connected with described level Four driving gear shaft;
Described output shaft system comprises: level Four driven gear, output gear shaft, described output gear shaft is hollow gear shaft, described output gear shaft is sleeved on outside described three grades of driving gear shafts of described 3rd axle system, and described output gear shaft and described three grades of driving gear shafts coaxial; The described level Four driving gear shaft of described 4th axle system engages with described level Four driven gear, and described level Four driven gear is fixedly connected with described output gear shaft.
Described input shaft system also comprises: input gear axle, one-level driven gear; Described input gear axle engages with described one-level driven gear; Described one-level driven gear is fixedly connected with the described secondary driving gear shaft of described input shaft system; Described input gear axle and described secondary driving gear shaft be arranged in parallel and fix with described casing.
Also comprise, bearing set; The inner ring of described bearing set and described three grades of driving gear shaft interference fit of described 3rd axle system; The outer ring of described bearing set and the described output gear shaft interference fit of described output shaft system.
Another aspect of the present utility model is to provide a kind of boom hoisting, comprising: above-mentioned arbitrary described gear reducer, also comprises: spline, drive sprocket, by movable sprocket, double chain wheel hook, loop chain;
Described drive sprocket is located on described output gear shaft by described spline housing, and rotates with described output gear shaft;
Describedly be connected on passive sprocket shaft by movable sprocket by bearing, described passive sprocket shaft is fixedly installed on described casing, and rotates relative to described casing;
Described double chain wheel hook comprises the first sprocket wheel, the second sprocket wheel, and described first sprocket wheel and described second sprocket shaft are to be arrangeding in parallel;
The one ends wound of described loop chain is in loop chain case, the other end is fixed on described casing, and described loop chain is successively around described second sprocket wheel, described by described first sprocket wheel of movable sprocket, described double chain wheel hook of described drive sprocket, described double chain wheel hook.
Also comprise: pinch roller; Described pinch roller is connected on wheel pressing shaft by bearing, and described wheel pressing shaft is fixedly installed on described casing, and rotates relative to described casing, and described wheel pressing shaft is parallel with described output gear shaft; Described loop chain is through described pinch roller and successively around described second sprocket wheel, described by described first sprocket wheel of movable sprocket, described double chain wheel hook of described drive sprocket, described double chain wheel hook.
Gear reducer of the present utility model and boom hoisting, by input shaft system, the 3rd axle system, the 4th axle system being fixedly installed in casing successively, and input shaft system, the 3rd axle system, the 4th axle system running shaft separately rotate relative to this casing parallel to an axis; Wherein, input shaft system comprises secondary driving gear shaft, and the 3rd axle system comprises: secondary driven gear, three grades of driving gear shafts; 4th axle system comprises: three grades of driven gears, level Four driving gear shafts; Output shaft system comprises: level Four driven gear, output gear shaft; And transmission process passes through: the secondary driving gear shaft of input shaft system engages with the secondary driven gear of the 3rd axle system, the three grades of driving gear shafts be fixedly connected with secondary driven gear are driven to rotate; Engaged with three grades of driven gears of the 4th axle system by three grades of driving gear shafts of the 3rd axle system again, the level Four driving gear shaft be fixedly connected with three grades of driven gears is rotated; Wherein, output gear shaft is hollow gear shaft, and output gear shaft is sleeved on outside three grades of driving gear shafts of the 3rd axle system, and three grades of driving gear shafts of output gear shaft and the 3rd axle system are coaxial; Therefore, engaged with the level Four driven gear of output shaft system by the level Four driving gear shaft of the 4th axle system again, transmission of power is given the output gear shaft be fixedly connected with the level Four driven gear of output shaft system, thus complete power and be tied to the 3rd axle system by input shaft, be delivered to the 4th axle system again, transmitted go back to the output shaft system be set with the 3rd axle system again by the 4th axle system, achieve the transmission being tied to output shaft system from input shaft.This gear reducer and there is the boom hoisting of this gear reducer, by the suit of hollow gear shaft and solid gear shaft and feed back drive mechanism, solve the problem that in prior art, reducer structure is complicated, bulky, manufacture cost is high, achieve big speed ratio, and volume is little, structure is simple, the gear reducer that cost is low and apply the lifting device of this gear reducer.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment one of the utility model gear reducer;
Fig. 2 is a kind of partial structurtes schematic diagram of the input shaft system of the utility model gear reducer;
Fig. 3 is the another kind of partial structurtes schematic diagram of input shaft system of the utility model gear reducer;
Fig. 4 is the structural representation of the 3rd axle system of the utility model gear reducer;
Fig. 5 is the structural representation of the 4th axle system of the utility model gear reducer;
Fig. 6 is the structural representation of the output shaft system of the utility model gear reducer;
Fig. 7 is the structural representation of the embodiment one of the utility model boom hoisting;
Fig. 8 be the utility model boom hoisting by the structural representation of movable sprocket;
Fig. 9 is the structural representation of the embodiment two of the utility model boom hoisting.
Embodiment
For making the object of the utility model embodiment, technological scheme and advantage clearly, below in conjunction with the utility model embodiment, the technological scheme in the utility model embodiment is clearly and completely described.It should be noted that, in accompanying drawing or specification, similar or identical element all uses identical reference character.
Fig. 1 is the structural representation of the embodiment one of the utility model gear reducer and boom hoisting, and Fig. 2,3 forms the structural representation of the input shaft system of the utility model gear reducer jointly; Fig. 4 is the structural representation of the 3rd axle system of the utility model gear reducer; Fig. 5 is the structural representation of the 4th axle system of the utility model gear reducer; Fig. 6 is the structural representation of the output shaft system of the utility model gear reducer.As shown in figs. 1 to 6, the gear reducer of the present embodiment comprises: casing 1, input shaft system 2, the 3rd axle system 3, the 4th axle system 4 and output shaft system 5; Input shaft system 2, the 3rd axle system 3, the 4th axle system 4 are fixedly installed in casing 1 successively parallel to an axis, and the respective running shaft of input shaft system 2, the 3rd axle system 3, the 4th axle system 4 rotates relative to casing 1; Input shaft system 2 comprises secondary driving gear shaft the 21, three axle system 3 and comprises: secondary driven gear 31, three grades of driving gear shafts 32, and secondary driving gear shaft 21 engages with secondary driven gear 31, and secondary driven gear 31 is fixedly connected with three grades of driving gear shafts 32; 4th axle system 4 comprises: three grades of driving gear shafts 32 of three grades of driven gears 41, level Four driving gear shaft the 42, three axle system 3 engage with three grades of driven gears 41, and three grades of driven gears 41 are fixedly connected with level Four driving gear shaft 42; Output shaft system 5 comprises: level Four driven gear 51, output gear shaft 52, and output gear shaft 52 is hollow gear shaft, and output gear shaft 52 is sleeved on outside three grades of driving gear shafts 32 of the 3rd axle system 3, and output gear shaft 52 and three grades of driving gear shafts 32 coaxial; The level Four driving gear shaft 42 of the 4th axle system 4 engages with level Four driven gear 51, and level Four driven gear 51 is fixedly connected with output gear shaft 52.
Concrete, pneumatic motor 6 drives input shaft system 2 rotation, and the structural drawing of input shaft system 2 is shown in shown in Fig. 2 and Fig. 3, and on the basis of above-described embodiment one, further, input shaft system 2 also comprises: input gear axle 22, one-level driven gear 23; Input gear axle 22 engages with one-level driven gear 23; One-level driven gear 23 is fixedly connected with the secondary driving gear shaft 21 of input shaft system 2; Input gear axle 22 and secondary driving gear shaft 21 be arranged in parallel and fix with casing 1.Wherein, input gear axle 22 is cantilever gear shafts, by engaging of the one-level driven gear 23 with input shaft system 2, transmission of power is given the secondary driving gear shaft 21 be fixedly connected with one-level driven gear 23.And then, secondary driving gear shaft 21 in input shaft system 2 drives the secondary driven gear 31 in the 3rd axle system 3, thus drive the rotation of the 4th axle system 4 by the three grades of driving gear shafts 32 be fixedly connected with secondary driven gear 31, i.e. three grades of driving gear shafts 32 engaging by three grades of driven gears 41 with the 4th axle system 4, gives the level Four driving gear shaft 42 be fixedly connected with three grades of driven gears 41 by transmission of power.As shown in Figure 4, the 4th shafting structure as shown in Figure 5 for 3rd shafting structure.Output shaft system 5 is the hollow shaftings being enclosed within the 3rd axle system 3, and except output shaft system 5 is except hollow shafting, all the other each axle systems are solid shaft system.The structure of output shaft system 5 as shown in Figure 6.The rotation of whole output shaft system 5 is driven with the meshing relation of the level Four driven gear 51 in output shaft system 5 by the level Four driving gear shaft 42 in the 4th axle system 4.Thus the power transmission completed from input shaft system 2 to output shaft system 5.
Further, preferably, gear reducer also comprises (as shown in Figure 4), bearing set 33; The inner ring 331 of bearing set 33 and three grades of driving gear shaft 32 interference fit of the 3rd axle system 3; The outer ring 332 of bearing set 33 and output gear shaft 52 interference fit of output shaft system 5.
The gear reducer of the present embodiment, by input shaft system, the 3rd axle system, the 4th axle system being fixedly installed in casing successively, and input shaft system, the 3rd axle system, the 4th axle system running shaft separately rotate relative to this casing parallel to an axis; Wherein, input shaft system comprises secondary driving gear shaft, and the 3rd axle system comprises: secondary driven gear, three grades of driving gear shafts; 4th axle system comprises: three grades of driven gears, level Four driving gear shafts; Output shaft system comprises: level Four driven gear, output gear shaft; And transmission process passes through: the secondary driving gear shaft of input shaft system engages with the secondary driven gear of the 3rd axle system, the three grades of driving gear shafts be fixedly connected with secondary driven gear are driven to rotate; Engaged with three grades of driven gears of the 4th axle system by three grades of driving gear shafts of the 3rd axle system again, the level Four driving gear shaft be fixedly connected with three grades of driven gears is rotated; Wherein, output gear shaft is hollow gear shaft, and output gear shaft is sleeved on outside three grades of driving gear shafts of the 3rd axle system, and three grades of driving gear shafts of output gear shaft and the 3rd axle system are coaxial; Therefore, engaged with the level Four driven gear of output shaft system by the level Four driving gear shaft of the 4th axle system again, transmission of power is given the output gear shaft be fixedly connected with the level Four driven gear of output shaft system, thus complete power and be tied to the 3rd axle system by input shaft, be delivered to the 4th axle system again, transmitted go back to the output shaft system be set with the 3rd axle system again by the 4th axle system, achieve the transmission being tied to output shaft system from input shaft.This gear reducer and there is the boom hoisting of this gear reducer, by the suit of hollow gear shaft and solid gear shaft and feed back drive mechanism, solve the problem that in prior art, reducer structure is complicated, bulky, manufacture cost is high, achieve big speed ratio, and volume is little, structure is simple, the gear reducer that cost is low and apply the lifting device of this gear reducer.
Fig. 7 is the structural representation of the embodiment one of the utility model boom hoisting; Fig. 8 be the utility model boom hoisting by the structural representation of movable sprocket; As shown in Fig. 7 ~ 8, the boom hoisting of the present embodiment comprises: the gear reducer in above-described embodiment, also comprises: spline (not shown), drive sprocket 7, by movable sprocket 8, double chain wheel hook 9, loop chain 10; Drive sprocket 7 is located at (as shown in Figure 6) on output gear shaft 52 by spline housing, and rotates with output gear shaft 52; Be connected on passive sprocket shaft 11 by movable sprocket 8 by bearing, passive sprocket shaft 11 is fixedly installed on (as shown in Figure 1) on casing 1, and rotate relative to casing 1, be static pulley by movable sprocket 8.Be connected particular by two needle bearings 81 (as shown in Figure 8) with passive sprocket shaft 11 by movable sprocket 8, preferably, model can be selected to be NK160/35 needle bearing; Two needle bearings 81 are separated by interior dottle pin 82 and outer dottle pin 83; Double chain wheel hook 9 comprises the first sprocket wheel 91, second sprocket wheel 92, first sprocket wheel 91 and the second sprocket wheel 92 parallel to an axis is arranged; The one ends wound of loop chain 10 is in loop chain case 12, and the other end is fixed on casing 1, and the dead line end namely shown in Fig. 7 is fixed on casing 1; Loop chain 10 successively around the second sprocket wheel 92 of drive sprocket 7, double chain wheel hook 9, by the first sprocket wheel 91 of movable sprocket 8, double chain wheel hook 9.
Concrete, the transmission process of this boom hoisting is: drive sprocket 7 is established on the output gear shaft 52 of gear reducer in the above-described embodiments by spline housing, thus drive sprocket 7 is with output shaft system 5 rotation, thus drive the loop chain 10 be wrapped on drive sprocket 7 to move, loop chain 10 is again by two movable pulleys of double chain wheel hook 9: the first sprocket wheel 91 and the second sprocket wheel 92, and be fixed on dead line end by the effect of movable sprocket 8 (static pulley), thus achieve hoisting function.When the drive sprocket 7 shown in Fig. 7 rotates counterclockwise, loop chain 10 is tightened up to be wrapped in loop chain case 12, thus double chain wheel hook 9 ascending motion; When drive sprocket 7 is along when rotating clockwise, loop chain 10 is from release in loop chain case 12, thus double chain wheel hook 9 descending motion.Accurately fixed position can be parked in order to make double chain wheel hook 9, after preventing prime mover from stopping operating, each sprocket wheel is rotated further under effect of inertia, prime mover adopts the pneumatic motor of band brake, preferably, can adopt as GAST 8AM-BRV-70 pneumatic motor.
Further, on the basis of above-described embodiment one, be illustrated in figure 9 the structural representation of the embodiment two of the utility model boom hoisting, boom hoisting also comprises: pinch roller 13; Pinch roller 13 is connected on wheel pressing shaft by bearing, and wheel pressing shaft is fixedly installed on (as shown in Figure 1) on casing 1, and rotates relative to casing 1, and wheel pressing shaft is parallel with output gear shaft 52; Pinch roller 13 plays the effect preventing loop chain 10 from derailing.Loop chain 10 through pinch roller 13 and successively around the second sprocket wheel 92 of drive sprocket 7, double chain wheel hook 9, by the first sprocket wheel 91 of movable sprocket 8, double chain wheel hook 9.Every root chain of this boom hoisting can load-bearing 6.25 tons, amounts to 25 tons of weight, can meet most of lifting demand, such as the lifting requirements of 7000 meters of supporting preventers of oil-well rig.
Last it is noted that above each embodiment is only in order to illustrate the technical solution of the utility model, be not intended to limit; Although be described in detail the utility model with reference to foregoing embodiments, those of ordinary skill in the art is to be understood that: it still can be modified to the technological scheme described in foregoing embodiments, or carries out equivalent replacement to wherein some or all of technical characteristics; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of each embodiment's technological scheme of the utility model.

Claims (5)

1. a gear reducer, is characterized in that, comprising:
Casing, input shaft system, the 3rd axle system, the 4th axle system and output shaft system;
Described input shaft system, the 3rd axle system, the 4th axle system are fixedly installed in described casing successively parallel to an axis, and described input shaft system, the 3rd axle system, the 4th axle system running shaft separately rotate relative to described casing;
Described input shaft system comprises secondary driving gear shaft, described 3rd axle system comprises: secondary driven gear, three grades of driving gear shafts, described secondary driving gear shaft engages with described secondary driven gear, and described secondary driven gear is fixedly connected with described three grades of driving gear shafts;
Described 4th axle system comprises: three grades of driven gears, level Four driving gear shafts, and described three grades of driving gear shafts of described 3rd axle system engage with described three grades of driven gears, and described three grades of driven gears are fixedly connected with described level Four driving gear shaft;
Described output shaft system comprises: level Four driven gear, output gear shaft, described output gear shaft is hollow gear shaft, described output gear shaft is sleeved on outside described three grades of driving gear shafts of described 3rd axle system, and described output gear shaft and described three grades of driving gear shafts coaxial; The described level Four driving gear shaft of described 4th axle system engages with described level Four driven gear, and described level Four driven gear is fixedly connected with described output gear shaft.
2. gear reducer according to claim 1, is characterized in that, described input shaft system also comprises: input gear axle, one-level driven gear; Described input gear axle engages with described one-level driven gear; Described one-level driven gear is fixedly connected with the described secondary driving gear shaft of described input shaft system; Described input gear axle and described secondary driving gear shaft be arranged in parallel and fix with described casing.
3., according to the arbitrary described gear reducer of claim 1-2, it is characterized in that, also comprise, bearing set; The inner ring of described bearing set and described three grades of driving gear shaft interference fit of described 3rd axle system; The outer ring of described bearing set and the described output gear shaft interference fit of described output shaft system.
4. a boom hoisting, is characterized in that, comprising: the gear reducer as described in as arbitrary in claim 1-3, also comprises: spline, drive sprocket, by movable sprocket, double chain wheel hook, loop chain;
Described drive sprocket is located on described output gear shaft by described spline housing, and rotates with described output gear shaft;
Describedly be connected on passive sprocket shaft by movable sprocket by bearing, described passive sprocket shaft is fixedly installed on described casing, and rotates relative to described casing;
Described double chain wheel hook comprises the first sprocket wheel, the second sprocket wheel, and described first sprocket wheel and described second sprocket shaft are to be arrangeding in parallel;
The one ends wound of described loop chain is in loop chain case, the other end is fixed on described casing, and described loop chain is successively around described second sprocket wheel, described by described first sprocket wheel of movable sprocket, described double chain wheel hook of described drive sprocket, described double chain wheel hook.
5. boom hoisting according to claim 4, is characterized in that, also comprises: pinch roller;
Described pinch roller is connected on wheel pressing shaft by bearing, and described wheel pressing shaft is fixedly installed on described casing, and rotates relative to described casing, and described wheel pressing shaft is parallel with described output gear shaft; Described loop chain is through described pinch roller and successively around described second sprocket wheel, described by described first sprocket wheel of movable sprocket, described double chain wheel hook of described drive sprocket, described double chain wheel hook.
CN201420854247.5U 2014-12-29 2014-12-29 Gear reducer and boom hoisting Withdrawn - After Issue CN204372061U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420854247.5U CN204372061U (en) 2014-12-29 2014-12-29 Gear reducer and boom hoisting

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420854247.5U CN204372061U (en) 2014-12-29 2014-12-29 Gear reducer and boom hoisting

Publications (1)

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CN204372061U true CN204372061U (en) 2015-06-03

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CN201420854247.5U Withdrawn - After Issue CN204372061U (en) 2014-12-29 2014-12-29 Gear reducer and boom hoisting

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105805235A (en) * 2014-12-29 2016-07-27 北京南口轨道交通机械有限责任公司 Gear speed reducer and hoisting device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105805235A (en) * 2014-12-29 2016-07-27 北京南口轨道交通机械有限责任公司 Gear speed reducer and hoisting device

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C56 Change in the name or address of the patentee
CP03 Change of name, title or address

Address after: 102202 Beijing city Changping District South Town Road North South Town West No. 584 No. 585

Patentee after: Beijing Zhongche Nankow Machinery Co. Ltd.

Address before: 102202 Beijing city Changping District town of South Road North

Patentee before: Beijing NanKou Railway Transit Machinery Co., Ltd.

AV01 Patent right actively abandoned
AV01 Patent right actively abandoned
AV01 Patent right actively abandoned

Granted publication date: 20150603

Effective date of abandoning: 20191001

AV01 Patent right actively abandoned

Granted publication date: 20150603

Effective date of abandoning: 20191001