CN102249164B

CN102249164B - Mechanical winching machine

Info

Publication number: CN102249164B
Application number: CN201110206993A
Authority: CN
Inventors: 刘�东
Original assignee: CHANGSHU ELECTRIC CIRCUIT HOIST CO LTD
Current assignee: CHANGSHU ELECTRIC CIRCUIT HOIST CO LTD
Priority date: 2011-07-22
Filing date: 2011-07-22
Publication date: 2012-10-10
Anticipated expiration: 2031-07-22
Also published as: CN102249164A

Abstract

The invention discloses a mechanical winching machine, belonging to the field of power construction machinery. The mechanical winching machine comprises a reduction box body, an input shaft and an output shaft, and is characterized in that: one end of the input shaft is provided with an input gear; the input gear is meshed with a first transition transmission gear; a first transition transmission shaft is supported on the corresponding box wall of the reduction box body; a second transition transmission gear is fixed at the other end of the first transition transmission shaft; a first duplicate gear is fixed at one end of the output shaft; a shaft head contracts at the end of the output shaft, and is provided with a shaft head bearing; the shaft head bearing is matched with an output shaft head matching chamber; the other end of the output shaft is supported on an output shaft hole; a first output shaft gear and a second output shaft gear are fixed at the end of the output shaft; the second output shaft gear is meshed with a reverse gear of the mechanical winching machine; the first duplicate gear and a second duplicate gear are connected with the each other; the second duplicate gear is fixed on the second transition transmission shaft; and the second transition transmission shaft is supported on the reduction box body. The mechanical winching machine has the advantages of high working efficiency, space saving, high transmission efficiency and no safety hazard.

Description

Motor-driven strand grinding machine

Technical field

The invention belongs to the power construction field of mechanical technique, be specifically related to a kind of motor-driven strand grinding machine

Background technology

such as industry the reason of knowledge, in construction of electric power power transmission and transformation line and maintenance, use usually as the motor-driven strand grinding machine of special facilities and realize traction, stringing, vertical rod, Li Ta and equipment hoisting or the like.

known motor-driven strand grinding machine is that (one a) input shaft is installed on the input shaft bore of the casing of drop-gear box; To be installed in the output shaft hole on the casing as the output shaft of realizing double reduction, that is to say that input shaft and output shaft are installed in the diverse location of casing respectively.Engine power (adopting the driving engine of 1800n/min usually) is given input shaft through the transition of belt with transmission of power.But, facts have proved that there is following technical matters at least in this version: the one, because transmitting ratio is little, thereby be difficult to dispose the high high-output engine that for example can reach 3600n/min of rotating speed, the work efficiency of motor-driven strand grinding machine can not be brought into play ultimate attainmently; The 2nd, complicated from the shafting structure that one-level is decelerated in the transmission process of double reduction; For example be installed on the diverse location of casing with input shaft with as the output shaft of realizing double reduction; Thereby not only influence the installing space of aforesaid casing, and increase the mutual interference probability between the parts; Unique terms of settlement is the casing volume that increases drop-gear box at present; The 3rd, because the power input through the belt pulley input, therefore shows as indirectly or claims the transition input mode,, can not give full play to the power of driving engine so power transmission loss is big; The 4th, belt transmissioning mode is prone to bring hidden danger to the operator.

In view of above-mentioned prior art, be necessary to improve, the applicant has done long-term arduously and good try has found the way that addresses the above problem finally for this reason, and the technical scheme that will introduce below produces under this background

Summary of the invention

task of the present invention is to provide a kind of and helps to realize increasing transmitting ratio and use and ensure that being equipped with high-revolving high-output engine simplifies shafting structure and practice thrift the installing space of casing and use the volume that dwindles the drop-gear box casing and avoid producing between the parts and interfere with each other situation and be of value to and abandon belt-driving and use the motor-driven strand grinding machine that ensures operator's safety to increase work efficiency, to help.

task of the present invention is accomplished like this; A kind of motor-driven strand grinding machine; Comprise a side to have an input shaft bore and opposite side have one with a drop-gear box casing of the corresponding output shaft hole in position of input shaft bore, be bearing in rotationally on the said input shaft bore and an end be insinuated in the casing chamber of drop-gear box casing and the other end directly and the input shaft that is in transmission connection of motor-driven strand grinding machine power input mechanism and the case that is positioned at the drop-gear box casing endoceliac and be bearing in the output shaft on the drop-gear box casing rotationally; Be characterised in that: the end being insinuated into the endoceliac input shaft of said case has an input gear; This input gear constitutes an output shaft head mating cavity towards a side of said output shaft hole; And input gear is meshed with the first transition transmission gear that is fixed on the first transition transmission shaft, one end; And the first transition transmission shaft is positioned at described casing chamber; And be bearing in to transmission on the corresponding tank wall of drop-gear box casing, be fixed with one second transition transmission gear at the other end of this first transition transmission shaft, described output shaft is fixed with one first dual gear towards an end of said input shaft; And a spindle nose is arranged narrow the contracting of this end of output shaft; Be equipped with the spindle nose bearing on this spindle nose, this spindle nose bearing matches with described output shaft head mating cavity, and output shaft is supported on the output shaft hole towards an end of said output shaft hole rotationally; And this end at output shaft is fixed with one first output shaft gear and one second output shaft gear; First output shaft gear is meshed with the described second transition transmission gear, and second output shaft gear is meshed with the reverse gearwheel of motor-driven strand grinding machine, and described first dual gear rotates with second dual gear and is connected; And second dual gear is fixed on the second transition transmission shaft, and the second transition transmission shaft is positioned at said casing chamber and is bearing in rotationally on the corresponding tank wall of said drop-gear box casing.

in a concrete embodiment of the present invention, described motor-driven strand grinding machine power input mechanism comprises power-transfer clutch permanent seat, the movable wheel of power-transfer clutch, opens and close lid, clutch gear, clutch handle, clutch flange seat and clutch ratchet ring, and clutch flange seat and said drop-gear box casing are fixed; And an end of this clutch flange seat constitutes a bearing sleeve; Bearing sleeve matches with described input shaft bore, and in bearing sleeve, is provided with a cover for seat bearing, and the other end of clutch flange seat has to open to close and covers connector; This opens to close and covers connector and be provided with external screw thread; The clutch ratchet ring is fixed on the clutch flange seat, and clutch handle is connected on the clutch gear, and matches with said power-transfer clutch ratchet ring; Clutch gear is enclosed within on the clutch flange seat through its gear hole sky; And match with motor-driven strand grinding machine stopping brake lock machine, open and close lid and captive joint, and in opening the medium pore that closes lid, be provided with one rotationally and open and close cap nut with movable wheel of power-transfer clutch; This opens and closes cap nut and match with described external screw thread; The movable wheel of power-transfer clutch is captiveed joint with described input shaft, and the movable wheel of this power-transfer clutch also matches with the power-transfer clutch permanent seat, and the power-transfer clutch permanent seat has one group of driving pawl back to the movable side of taking turns of power-transfer clutch; This group driving pawl is used for being connected with the driving engine of motor-driven strand grinding machine, and wherein: the central authorities of power-transfer clutch permanent seat are connected with said input shaft.

are in another concrete embodiment of the present invention; On the axis body of the movable wheel of said power-transfer clutch one end, has an input shaft male splines at described input shaft; The central authorities of the movable wheel of described power-transfer clutch and have a movable wheel matching seat towards a side of said power-transfer clutch permanent seat; Movable wheel matching seat has a matching hole, on the hole wall of this matching hole, offers an input shaft male splines groove, and described input shaft male splines matches with this input shaft male splines groove.

are in another concrete embodiment of the present invention; Said input shaft offers a power-transfer clutch permanent seat and connects fixed orifice on the end face of an end of the movable wheel of said power-transfer clutch; The central authorities of described power-transfer clutch permanent seat have a gag hole; In the gag hole, inserted a gag, and in gag, be equipped with a fix screw, this fix screw is connected the fixed orifice captive joint with said power-transfer clutch permanent seat.

in another concrete embodiment of the present invention, the central authorities of said power-transfer clutch permanent seat are equipped with a power-transfer clutch permanent seat bearing, and this power-transfer clutch permanent seat bearing matches with said input shaft.

also have among the concrete embodiment of the present invention; On described clutch gear, be equipped with a trimming screw; And described open to close spaced apartly on the cap nut be provided with one group of trimming screw hole, trimming screw is connected with the trimming screw hole.

are more of the present invention and among concrete embodiment; Said power-transfer clutch permanent seat constitutes the activity wheel friction chamber that enlarges gradually from inside to outside towards a side of the movable wheel of said power-transfer clutch; And the outer wall of the movable wheel of power-transfer clutch constitutes movable wheel attrition surface, and this activity wheel attrition surface matches with said movable wheel friction chamber.

in of the present invention and then concrete embodiment, the lower end of said clutch handle has positioning teeth, and positioning teeth matches with described clutch ratchet ring.

technical scheme provided by the invention is owing to be connected through the spindle nose bearing output shaft with bearing of input shaft; Make output shaft and input shaft not only can guarantee to relatively rotate but also can guarantee same axle center; Make output shaft and input shaft constitute the relation of built-up shaft; Thereby realize bigger transmitting ratio by this built-up shaft relation; And drive the first transition transmission shaft by input gear through first transition gear, and then be fixed on first output shaft gear on the output shaft, guaranteed the direction of power input torque through this twice engagement of gear by the drive of the second transition transmission gear on the first transition transmission shaft; Thereby can satisfy that to be equipped with high-revolving rotating speed be the high-output engine requirement of 3600n/min, work efficiency is significantly improved; Because input shaft and output shaft are on the same axle center; Therefore reduced the material of an axle in fact; Practiced thrift the installing space of drop-gear box casing, avoided between shafting structure complicacy and the parts problem of interfering each other, make the drop-gear box casing space-saving more than 20%; Because structure ensured that need not driving band transports to input shaft with the power of driving engine, so driving efficiency can improve more than 15%, and owing to abandoned driving band, therefore can not bring hidden danger to the operator.

Description of drawings

Fig. 1 is the embodiments of the invention constructional drawing.

Fig. 2 is the cutaway view of Fig. 1.

The specific embodiment

can be expressly understood technical spirit of the present invention and beneficial effect more for the inspector that the makes Patent Office especially public; The applicant general elaborates with the mode of embodiment below; But the description to embodiment all is not the restriction to the present invention program, any according to the present invention design done only for pro forma but not substantial equivalent transformation all should be regarded as technical scheme category of the present invention.

Fig. 1 and Fig. 2 are asked for an interview in ; Provided a drop-gear box casing 3; Offer an input shaft bore 1 on the tank wall of one side of this drop-gear box casing 3, and offer an output shaft hole 2 on the tank wall of opposite side, this output shaft hole 2 is corresponding with the position of input shaft bore 1.One end of one input shaft 5 is bearing on the aforesaid input shaft bore 1 rotationally, and drop-gear box casing 3 is direct outward to be in transmission connection with motor-driven strand grinding machine power input mechanism 4 and the other end of input shaft 5 is stretched over the horizontal boom shape.The endoceliac end of case that is positioned at drop-gear box casing 3 at input shaft 5 has an input gear 7, and this input gear 7 both can also can be made the back respectively with input shaft 5 integral productions and fix with the mode and the input shaft 5 of welding, and present embodiment is selected the former.Constitute an output shaft head mating cavity 8 at input gear 7 towards a side of the following output shaft that is about to mention 6.

output shaft 6 integral body are positioned at the casing chamber of drop-gear box casing 3; And be bearing in rotationally on the drop-gear box casing 3; Specifically: this output shaft 6 is fixed with one first dual gear 12 towards an end of aforesaid input shaft 5; And narrow contracting has the little spindle nose 13 of the axis body of the remarkable specific output axle 6 of a diameter in this end end of output shaft 6, on this spindle nose 13, is equipped with a spindle nose bearing 14, and this spindle nose bearing 14 is placed in (being positioned at) aforesaid output shaft head mating cavity 8; That is to say that spindle nose bearing 14 matches with output shaft head mating cavity 8.So, output shaft 6 and input shaft 5 both realizations not only can be relatively rotated but also can keep same axle center.Output shaft 6 is supported on the output shaft hole 2 through output shaft block bearing 48 (Fig. 2 sign) towards an end of aforesaid output shaft hole 2 rotationally; And this end at output shaft 6 is fixed with one first output shaft gear 15 and one second output shaft gear 16; Wherein: first output shaft gear 15 is meshed with the second transition transmission gear 11, and second output shaft gear 16 is meshed with the reverse gearwheel 17 of motor-driven strand grinding machine.Aforesaid first dual gear 12 and second dual gear 18 be in transmission connection (promptly being meshing with each other); And second dual gear 18 is fixed on the second transition transmission shaft 19, and the second transition transmission shaft 19 is positioned at the casing chamber of drop-gear box casing 3 and is bearing in rotationally on the transition transmission axis hole of being offered on the corresponding tank wall of drop-gear box casing 3 79.Aforesaid input gear 7 is meshed with the first transition transmission gear 10 on being fixed on the first transition transmission shaft 9.

so; Because the input gear 7 on the input shaft 5 is meshed with the first transition transmission gear 10 on the first transition transmission shaft 9; Again since first output shaft gear 15 that is fixed on the output shaft 6 be meshed with the second transition transmission gear 11 on being fixed on the first transition transmission shaft 9; Therefore, ensured that the structure of input shaft 5 and output shaft 6 shows as the structural relation of built-up shaft, has realized bigger transmitting ratio; Guaranteed the direction of power input torque again through twice engagement of gear, directly technique effect is: the more high-performance driving engine that can mate input speed 3600n/min; Reduce the material of an axle, and dwindled the installing space in drop-gear box casing 3; Reduced the quantity of spare and accessory parts and the probability (possibility) of interfering each other, made the volume of whole drop-gear box casing 3 be able to dwindle more than 20%.

Fig. 1 and Fig. 2 please be continued to see in ; Above mentioned motor-driven strand grinding machine power input mechanism 4 comprises the movable wheel of power-transfer clutch permanent seat 20, power-transfer clutch 21, open close cover 22, clutch gear 23, clutch handle 24, clutch flange seat 25 and clutch ratchet ring 26; Clutch flange seat 25 is fixed through the cabinet exterior of screw and aforesaid drop-gear box casing 3; And this clutch flange seat 25 constitutes a bearing sleeve 27 towards a side (also can claim an end) of aforesaid input shaft bore 1; Bearing sleeve 27 probes in (inserting) input shaft bore 1; Match with input shaft bore 1, promptly be positioned on the input shaft bore 1, a cover for seat bearing 28 is set in bearing sleeve 27.More particularly, the cover for seat outside race of cover for seat bearing 28 and the inwall of bearing sleeve 27 are fixed, and the inner ring of cover for seat bearing 28 rotates, and fix with aforesaid input shaft 5.Hence one can see that, and input shaft 5 is realized being bearing in rotationally in the input shaft bore 1 through cover for seat bearing 28.Promptly cover an end of 22 and have (being extended with) and open to close and cover connector 29 at the other end (also can claim opposite side) of clutch flange seat 25, open to close at this and cover connector 29 and be processed with complex trace external screw thread 30 towards opening to close.Clutch ratchet ring 26 (also can claim the clutch ratchet bar) is fixing with the gear ring fixing screw hole 50 that is preset on the clutch flange seat 25 through gear ring fix screw 49, and this clutch ratchet ring 26 is meshed with clutch handle 24.To be the screw head 51 of bottom face central authorities through its bottom be threaded with screw head tapped bore 52 on being preset in clutch gear 23 clutch handle 24; Extend the positioning teeth 53 that is formed in clutch handle 24 lower ends and match, be used for limiting the operating position of (confirming) clutch handle 24 with aforesaid power-transfer clutch ratchet ring 26.The central authorities of clutch gear 23 constitute gear hole 31, through this gear hole 31 clutch gear 23 movably is nested with on clutch flange seat 25, and this clutch gear 23 are meshed with the brake transmission gear 54 of motor-driven strand grinding machine stopping brake lock mechanism 32.Open to close and cover 22 and close and cover fixing screw hole 56 and captive joint through opening to close to cover fix screw 55 and be preset in opening on the movable wheel 21 of power-transfer clutch; Be provided with one in 22 the medium pore rotationally and open and close cap nut 33 opening to close to cover; That is to say to open to close and cover 22 and close both movable cooperations of cap nut 33 with opening, close cap nut 33 rotations really to open.By shown in Figure 1; Spaced apartly on the cap nut 33 be provided with one group of trimming screw hole 45 opening to close; And on aforesaid clutch gear 23, be equipped with a trimming screw 44; Realize closing cap nut 33 adjusted location by the end of this trimming screw 44 probes in the trimming screw hole 45 to opening, with confirm to open close the particular location of cap nut 33 on aforesaid external screw thread 30 (because open close cap nut 33 revolve with external screw thread 30 join).The movable wheel of power-transfer clutch 21 is captiveed joint with aforesaid input shaft 5, and this power-transfer clutch is movable takes turns 21 and also match with power-transfer clutch permanent seat 20.Shown in figure; On the axis body of an end of the movable wheel 21 of power-transfer clutch, be designed with an input shaft male splines 35 (also can claim flat key) at input shaft 5; And have a movable wheel matching seat 36 in the central authorities of the movable wheel 21 of power-transfer clutch and towards a side of power-transfer clutch permanent seat 20; This activity wheel matching seat 36 has a matching hole 37; On the hole wall of matching hole 37, offer an input shaft male splines groove 38, aforesaid input shaft male splines 35 cooperates with this input shaft male splines groove 38, thereby the movable wheel 21 of power-transfer clutch is realized being connected with the key of input shaft 5.Aforesaid power-transfer clutch permanent seat 20 is provided with a power-transfer clutch permanent seat bearing 43 in the face of the central authorities of a side of the movable wheel 21 of power-transfer clutch, and the input shaft spindle nose 57 of aforementioned input shaft 5 matches with this power-transfer clutch permanent seat bearing 43.And power-transfer clutch permanent seat 20 constitutes one towards a side of the movable wheel 21 of power-transfer clutch and enlarges gradually from inside to outside and form trumpet-shaped movable wheel friction chamber 46, and the outer wall of the movable wheel 21 of power-transfer clutch constitutes the activities wheel attrition surface 47 suitable with movable wheel friction chamber 46.Undoubtedly, the chamber wall in movable wheel friction chamber 46 is power-transfer clutch permanent seat attrition surface, and this power-transfer clutch permanent seat attrition surface matches with movable wheel attrition surface 47.And then by illustrated in figures 1 and 2, power-transfer clutch permanent seat 20 constitutes one group of spaced apart driving pawl 34 back to a side of the movable wheel 21 of power-transfer clutch, and this group driving pawl 34 is used for being connected with the engine-drive of motor-driven strand grinding machine.According to known general knowledge, owing to there is one group of driving pawl 34, therefore this group driving pawl 34 is in transmission connection through claw coupling (not shown) and aforementioned driving engine such as spark ignition engine.And then ground; Central authorities at power-transfer clutch permanent seat 20 have a gag hole 40; Be embedded in a gag 41 in gag hole 40; And in gag 41, be equipped with a fix screw 42; Aforesaid input shaft 5 towards an end of the movable wheel 21 of power-transfer clutch promptly on the end face of an end of power-transfer clutch permanent seat 20, say that more properly on the end face of input shaft spindle nose 57, offering a power-transfer clutch permanent seat connects fixed orifice 39, screw in the power-transfer clutch permanent seats by fix screw 42 and connect fixed orifices 39 and power-transfer clutch permanent seat 20 is captiveed joint with input shaft 5.

as aforementioned, the imput power of input shaft 5 comes from not shown driving engine (employing spark ignition engine), and the rotating speed of driving engine is 3600n/min, and speed significantly improves for the driving engine that prior art is used 1800n/min.Realize that by pawl formula communication port on the power take-off shaft of driving engine and the aforesaid driving pawl of being furnished with antivibration pump 58 34 the pawl formula is in transmission connection.Because being preferably the fix screw 42 of the interior hexagonal of M6 * 25 through aforesaid specification, power-transfer clutch permanent seat 20 captives joint with input shaft 5; Again because the chamber wall in movable wheel friction chamber 46 constitutes power-transfer clutch permanent seat attrition surface; And this power-transfer clutch permanent seat attrition surface matches with movable wheel attrition surface 47; Also since the movable wheel 21 of power-transfer clutch cooperates with input shaft male splines 35 keys on the input shaft 5 by axle male splines groove 38, therefore by power-transfer clutch movable take turns 21 with transmission of power to input shaft 5.Input gear 7 on the input shaft 5 is meshed with the first transition transmission gear 10 of an end that is fixed on the first transition transmission shaft 9; And the first transition transmission gear 10 and the second transition transmission gear 11 are installed on the same first transition transmission shaft 9; And the second transition transmission gear 42 is meshed with first output shaft gear 15 on being installed in output shaft 6; And first dual gear 12 that is installed on the output shaft 6 is meshed with second dual gear 18 on being installed in the second transition transmission shaft 19; The identical braking mechanism of structure of the brake device of the strand grinding machine that second dual gear 18 and Chinese utility model patent Granted publication CN2371174Y (ZL99228413.9) are disclosed is meshed; From (warp) braking mechanism power is imported tooth shaft gear 59 then; Tooth shaft gear 59 is meshed with output gear 60, because capstan winch 62 (also claiming the strand mill) is installed on the output gear shaft 61 (Fig. 2 shows) of output gear 60, thus realized the final output of power.

aforesaid clutch gear 23 is meshed with the brake transmission gear 54 (also can claim the parking brake transmission gear) of motor-driven strand grinding machine stopping brake lock mechanism 32; And brake transmission gear 54 is fixed on an end of parking brake axle 71, and parking brake axle 71 is fixed on the drop-gear box casing 3 through parking brake gap bridge axle sleeve 70.The other end at aforesaid parking brake axle 71 is fixed with parking brake carrier gear 72; This parking brake carrier gear 72 is meshed with stopping brake lock nut 73 (also can claim the parking brake nut gear); Stopping brake lock nut 73 is configured on the parking brake nut seat 80; On parking brake nut seat 80, be designed with flat key 81 and outside thread 75, the stopping brake lock nut inner thread 76 of aforesaid stopping brake lock nut 73 matches with outside thread 75, thereby stopping brake lock nut 73 is engaged on the stopping brake lock nut seat 80.The flat key groove 82 that is arranged with on the hole wall of aforesaid flat key 81 and the drag dish medium pore of drag dish 77 matches.Aforesaid parking brake nut seat 80 has braking brake lid 74, and this braking brake lid 74 is fixing with drop-gear box casing 3, and aforementioned braking brake dish 77 matches with aforesaid the 3rd gear 69 that is installed on the second transition transmission shaft 19.Rotate clutch handle 24, the action that gear pair is imported passes on the screw thread pair of aforesaid stopping brake lock nut 73, makes stopping brake lock nut 73 moving linearlies then, compresses the end face of the 3rd gear 69, reaches the brake purpose.Preferred scheme; Aforesaid braking brake lid 74 is set a protecting cover 78; On protecting cover 78, offer protecting cover screw hole 83, make protecting cover 78 fixing with drop-gear box casing 3 through protecting cover screw hole 83 with through the braking top screw hole 85 that is opened on the braking brake lid 74 together with braking brake lid 74 by protecting cover fix screw 84.

Application examples 1:

combine Fig. 1 and Fig. 2; When the motor-driven strand grinding machine of the present invention is in the situation of just changeing fast shelves in working order down; The input speed of driving engine (spark ignition engine) is through the operation to clutch handle 24; The chamber wall of activity being taken turns the activity wheel friction chamber 46 of attrition surface 47 and power-transfer clutch permanent seat 20 is that power-transfer clutch permanent seat attrition surface is combined closely, and power is inputed to input shaft 5, promptly inputs to input gear 7; Because of input gear 7 is meshed with the first transition transmission gear 10; Because of first, second transition transmission gear 10,11 all is installed on the first transition transmission shaft 9, therefore when the positive and negative shelves of operation shift fork handle 63, just make second transition gear 11 and 15 engagements of first output shaft gear again; Operation speed shelves shift fork handle 64 makes first gear, 66 engagements of the rapid gear 65 and second dual gear 18 of first dual gear 12; Second gear 67 of this first gear 66 and second dual gear 18 is installed on the second transition transmission shaft 19 jointly, by second gear 67 power is transported to and the motor-driven strand grinding machine of aforesaid CN2371174Y identical in structure braking mechanism 32, gives tooth shaft gear 59 by motor-driven strand grinding machine braking mechanism 32 with transmission of power; Tooth shaft gear 59 and output gear 60 engagements; Output gear 60 is installed on the same output gear shaft 61 (Fig. 2 shows) with capstan winch 62, thereby capstan winch 62 is just changeed fast, realizes the quick lifting of the motor-driven strand grinding machine of the present invention to hoisting heavy.

Application examples 2:

still combine Fig. 1 and Fig. 2; Just changeing slow shelves and be to operate speed shelves shift fork handle 64 with the difference of just changeing fast shelves described in the application examples 1; With the slow shelves gear 68 of first dual gear 12 dial to be installed in the second transition transmission shaft 19 on the 3rd gear 69 be meshed; Thereby capstan winch 62 is just changeed at a slow speed, realize of the at a slow speed lifting of the motor-driven strand grinding machine of the present invention the lifting thing.

Application examples 3:

still combine Fig. 1 and Fig. 2, and when the motor-driven strand grinding machine of the present invention showed as the fast shelves of counter-rotating, the input speed of driving engine was through the operation to clutch handle 24; The chamber wall of activity being taken turns the activity wheel friction chamber 46 of attrition surface 47 and power-transfer clutch permanent seat 20 is that power-transfer clutch permanent seat attrition surface is combined closely; Make power transmission give input shaft 5, promptly input to input gear 7, because of input gear 7 is meshed with the first transition transmission gear 10; Be installed on the first transition transmission shaft 9 because of first, second transition transmission gear 10,11 again; Therefore, when operation rotating shift fork handle 63, second transition gear 11 is slided; And be meshed with reverse gearwheel 17; Because reverse gearwheel 17 often closes with aforesaid second output shaft gear 16, therefore operate rapid gear 65 and 66 engagements of first gear that speed shelves shift fork handle 64 makes first dual gear 12, first gear 66 and second gear 67 are installed on the second transition transmission shaft 19 jointly; Give the motor-driven strand grinding machine braking mechanism 32 identical by second gear 67 with power transmission with aforesaid CN2371174Y structure; Give tooth shaft gear 59 by motor-driven strand grinding machine braking mechanism 32 with transmission of power, tooth shaft gear 59 and output gear 60 engagements, output gear 60 is installed on the same output gear shaft 61 (Fig. 2 shows) with capstan winch 62; Thereby capstan winch 62 is reversed fast, realize the motor-driven strand grinding machine of the present invention transferring fast hoisting heavy.

Application examples 4:

Fig. 1 and Fig. 2 are continued to combine in ; The slow shelves of counter-rotating are to operate speed shelves shift fork handle 64 with the difference of the fast shelves of the counter-rotating described in the application examples 3; With slow shelves gear 68 dial to be installed in the second transition transmission shaft 19 on the 3rd gear 69 be meshed; Thereby capstan winch 62 is reversed at a slow speed, realize the motor-driven strand grinding machine of the present invention slowly transferring hoisting heavy.

In sum, technical scheme provided by the invention has overcome the shortcoming in the prior art, has reached goal of the invention, and is objective and embodied the technique effect described in the superincumbent technique effect of the applicant hurdle all sidedly

Claims

1. motor-driven strand grinding machine; Comprise a side to have an input shaft bore (1) and opposite side have one with a drop-gear box casing (3) of the corresponding output shaft hole in position (2) of input shaft bore (1), be bearing in rotationally on the said input shaft bore (1) and an end be insinuated in the casing chamber of drop-gear box casing (3) and the other end directly and the input shaft (5) that is in transmission connection of motor-driven strand grinding machine power input mechanism (4) and the case that is positioned at drop-gear box casing (3) endoceliac and be bearing in the output shaft (6) on the drop-gear box casing (3) rotationally; It is characterized in that: have an input gear (7) at an end that is insinuated into the endoceliac input shaft of said case (5); This input gear (7) constitutes an output shaft head mating cavity (8) towards a side of said output shaft hole (2); And input gear (7) is meshed with the first transition transmission gear (10) that is fixed on the first transition transmission shaft (9) one ends; And the first transition transmission shaft (9) is positioned at described casing chamber; And be bearing in to transmission on the corresponding tank wall of drop-gear box casing (3); The other end at this first transition transmission shaft (9) is fixed with one second transition transmission gear (11); Described output shaft (6) is fixed with one first dual gear (12) towards an end of said input shaft (5); And a spindle nose (13) is arranged narrow the contracting of this end of output shaft (6); Be equipped with spindle nose bearing (14) on this spindle nose (13), this spindle nose bearing (14) matches with described output shaft head mating cavity (8), and output shaft (6) is supported on the output shaft hole (2) towards an end of said output shaft hole (2) rotationally; And this end at output shaft (6) is fixed with one first output shaft gear (15) and one second output shaft gear (16); First output shaft gear (15) is meshed with the described second transition transmission gear (11), and second output shaft gear (16) is meshed with the reverse gearwheel (17) of motor-driven strand grinding machine, and described first dual gear (12) rotates with second dual gear (18) and is connected; And second dual gear (18) is fixed on the second transition transmission shaft (19), and the second transition transmission shaft (19) is positioned at said casing chamber and is bearing in rotationally on the corresponding tank wall of said drop-gear box casing (3).

2. motor-driven strand grinding machine according to claim 1; It is characterized in that described motor-driven strand grinding machine power input mechanism (4) comprises power-transfer clutch permanent seat (20), the movable wheel of power-transfer clutch (21), opens and close lid (22), clutch gear (23), clutch handle (24), clutch flange seat (25) and clutch ratchet ring (26); Clutch flange seat (25) is fixing with said drop-gear box casing (3); And an end of this clutch flange seat (25) constitutes a bearing sleeve (27); Bearing sleeve (27) matches with described input shaft bore (1), and in bearing sleeve (27), is provided with a cover for seat bearing (28), and the other end of clutch flange seat (25) has to open to close and covers connector (29); This opens to close and covers connector (29) and be provided with external screw thread (30); Clutch ratchet ring (26) is fixed on the clutch flange seat (25), and clutch handle (24) is connected on the clutch gear (23), and matches with said clutch ratchet ring (26); Clutch gear (23) is enclosed within on the clutch flange seat (25) through its gear hole (31) sky; And match with motor-driven strand grinding machine stopping brake lock mechanism (32), open and close the movable wheel of lid (22) and power-transfer clutch (21) and captive joint, and in opening the medium pore that closes lid (22), be provided with one rotationally and open and close cap nut (33); This opens and closes cap nut (33) and match with described external screw thread (30); The movable wheel of power-transfer clutch (21) is captiveed joint with described input shaft (5), and the movable wheel of this power-transfer clutch (21) also matches with power-transfer clutch permanent seat (20), and power-transfer clutch permanent seat (20) has one group of driving pawl (34) back to the movable side of taking turns (21) of power-transfer clutch; This group driving pawl (34) is used for being connected with the driving engine of motor-driven strand grinding machine, and wherein: the central authorities of power-transfer clutch permanent seat (20) are connected with said input shaft (5).

3. motor-driven strand grinding machine according to claim 2; It is characterized in that on the axis body of the movable wheel of said power-transfer clutch (21) one ends, having an input shaft male splines (35) at described input shaft (5); The central authorities of the movable wheel of described power-transfer clutch (21) and have a movable wheel matching seat (36) towards a side of said power-transfer clutch permanent seat (20); Movable wheel matching seat (36) has a matching hole (37); On the hole wall of this matching hole (37), offer an input shaft male splines groove (38), described input shaft male splines (35) matches with this input shaft male splines groove (38).

4. motor-driven strand grinding machine according to claim 2; It is characterized in that said input shaft (5) offers a power-transfer clutch permanent seat and connects fixed orifice (39) on the end face of an end of the movable wheel of said power-transfer clutch (21); The central authorities of described power-transfer clutch permanent seat (20) have a gag hole (40); In gag hole (40), inserted a gag (41), and in gag (41), be equipped with a fix screw (42), this fix screw (42) is connected fixed orifice (39) captive joint with said power-transfer clutch permanent seat.

5. according to claim 2 or 4 described motor-driven strand grinding machines, it is characterized in that the central authorities of said power-transfer clutch permanent seat (20) are equipped with a power-transfer clutch permanent seat bearing (43), this power-transfer clutch permanent seat bearing (43) matches with said input shaft (5).

6. motor-driven strand grinding machine according to claim 2; It is characterized in that on described clutch gear (23), being equipped with a trimming screw (44); And closing the upward spaced apart one group of trimming screw hole (45) that is provided with of cap nut (33) described opening, trimming screw (44) is connected with trimming screw hole (45).

7. motor-driven strand grinding machine according to claim 2; It is characterized in that said power-transfer clutch permanent seat (20) constitutes the activity wheel friction chamber (46) that enlarges gradually from inside to outside towards a side of the movable wheel of said power-transfer clutch (21); And the outer wall of the movable wheel of power-transfer clutch (21) constitutes movable wheel attrition surface (47), and this activity wheel attrition surface (47) matches with said movable wheel friction chamber (46).

8. motor-driven strand grinding machine according to claim 2 is characterized in that the lower end of said clutch handle (24) has positioning teeth (53), and positioning teeth (53) matches with described clutch ratchet ring (26).