CN200970739Y

CN200970739Y - Two-speed labour-saving spanner

Info

Publication number: CN200970739Y
Application number: CN 200620045841
Authority: CN
Inventors: 朱耀梁
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-09-15
Filing date: 2006-09-15
Publication date: 2007-11-07
Anticipated expiration: 2016-09-15

Abstract

The utility model involves a two-speed labor-saving wrench, which is a manual tool to dismantle nuts and bolts, mainly consisting of cylinder, low-speed input shaft, high-speed input shaft, and one-level planetary gear group, two-level planetary gear group, three-level planetary gear group and dual-hole handle. This two-speed labor-saving wrench is particularly applicable to the dismantlement and assembly of the nuts of tyres of large scale heavy engines, portable and also applicable to the dismantlement and assembly of large-scale nuts and bolts of large scale equipment in large plants of mining, oil, shipbuilding, petrochemical and chemical engineering, through three-level planetary gear group and the principle of the transforming of transmission progression of planetary gear, thus the two-speed labor-saving wrench of the utility model has two kinds of output speeds--high and low.

Description

The double speed labour-saving spanner

One. affiliated technical field

The utility model relates to a kind of double speed labour-saving spanner, it is a kind of dismounting nut that is used for, the hand-operated tools that bolt is used, this double speed labour-saving spanner is specially adapted to the nut dismounting of large-scale loaded vehicle tire, can carry with car, also be applicable to industrial and mineral, the oil field, boats and ships, petrochemical industry, the dismounting of the big specification nut bolt on the medium-and-large-sized equipment of integrated mills such as chemical industry, it is to utilize third-level planetary wheels merga pass conversion planet circular system to transmit the speed reducing ratio of 2 kinds of outputs of principle acquisition of progression, thereby make double speed labour-saving spanner of the present utility model that height be arranged, the rotating speed of low 2 kinds of outputs, mainly be by cylindrical shell, the low speed power shaft, the high speed power shaft, the one-level planetary gear set, the secondary planet wheels, third-level planetary wheels and diplopore crank handle 1 are formed.

Two. background technology

At present, disclosed a kind of speed changing force-saving spanner (seeing ZL2005200402985), it is simple in structure, two kinds of different output speeds are arranged, but using it to exist during shelves the low speed drive shaft speed too fast and be easy to generate the deficiency of anti-drag fast, and the technological requirement to product processing is higher, causes the corresponding raising of cost of product.

Three. summary of the invention

The utility model provides a kind of double speed labour-saving spanner, this double speed labour-saving spanner is the improvement to not enough place in speed changing force-saving spanner (ZL2005200402985) structure, be intended to reduce the cost of product, reduce the technological requirement of product processing, and overcome and using it to exist during shelves the low speed drive shaft speed too fast and be easy to generate the deficiency of anti-drag fast.

The utility model provides a kind of double speed labour-saving spanner, be by cylindrical shell, low speed power shaft, the high speed power shaft, one-level planetary gear set, secondary planet wheels, third-level planetary wheels and diplopore crank handle are formed, its feature 1 is that the internal tooth in the cylindrical shell is a fixed teeth, with the shared engagement of star tooth in 3 groups of planetary gear set; Centre tooth that its feature 2 is low speed power shafts and the engagement of the star tooth of one-level planetary gear set, primary centre tooth on the high speed power shaft of one-level planetary gear and the engagement of the star tooth of secondary planet wheels, the star tooth engagement of the secondary center tooth of secondary planet wheel and third-level planetary wheels; There are 2 polygonal hole the front portion that its feature 3 is diplopore crank handles, one is the polygonal hole that matches with the low speed power shaft, another is the polygonal hole that matches with the high speed power shaft, the front portion that 2 polygonal hole are arranged and the handle portion of crank handle has one section parallel distance, its objective is the operating distance that increases handle and cylindrical shell arch form spike portion; Its feature 4 is that an end of described cylindrical shell has enough arch form spikes that can bear the dismounting nut torque, the first half tube neck of arch form spike and cylindrical shell is an overall structure, the latter half of of cylindrical shell is a garden column casing body that internal tooth is arranged, it has 3 groups of internal tooths that planetary gear set is public, one end of described low speed power shaft is a centre tooth, the centre is the cylinder that has step, the other end be one with the diplopore crank handle polygonal hole polygon tenon that matches, the star tooth engagement of the centre tooth of low speed power shaft and one-level planetary gear set, the center of low speed power shaft is a through hole, described one-level planetary gear set is one and is shaped as two middle planet carriers that 2 to 4 (in the accompanying drawing being 3) five equilibrium arcuation reinforcements are arranged of circular formers, the planet carrier center is a high speed power shaft, the front portion of high speed power shaft is the primary centre tooth, it is external to be positioned at planet carrier, the rear portion is an axis body, axis body is by the planet carrier center, the end of axle is four limits or hexagon tenon, also have on the planet carrier 2 to 4 (in the accompanying drawing being 3), central distribution position, hole is concentric with the primary centre tooth, 1 star tooth axle is respectively arranged in the hole, a star tooth is respectively arranged on star tooth axle, described secondary planet wheels have a planet carrier identical with the primary planet carrier structure, the planet carrier center front is a secondary center tooth, 2 to 4 (in the accompanying drawing being 3) halving holes are arranged on the planet carrier, central distribution position, hole is concentric with the secondary center tooth, 1 star tooth axle is respectively arranged in the hole, 1 star tooth is respectively arranged on star tooth axle, described third-level planetary wheels have a planet carrier identical with the primary planet carrier structure, there is an output shaft at the planet carrier center, the front end of output shaft is 1 inch square tenon, 2 to 4 (in the accompanying drawing being 3) halving holes are arranged on the planet carrier, central distribution position, hole is concentric with output shaft, 1 star tooth axle is respectively arranged in the hole, 1 star tooth is respectively arranged on star tooth axle.In order third-level planetary wheels, secondary planet wheels, one-level planetary gear set, low speed power shaft, friction plate 9 are packed into one by one behind the cylindrical shell, be inserted in the low speed power shaft with bonnet, be fixed in the ring washer groove of cylindrical shell with back-up ring with the hole, during use, a borehole jack of diplopore crank handle is gone into to realize the labour-saving operation in the tenon of low speed power shaft, another borehole jack of diplopore crank handle is gone in the high speed power shaft tenon, can realize operating apace.

This double speed labour-saving spanner, structure is simpler than speed changing force-saving spanner (seeing ZL2005200402985), and processing technology requires than low, and structural strength is higher, thereby can reduce production costs, and improves the quality of product.

Four. below in conjunction with accompanying drawing to further specifying as the utility model:

Fig. 1 is the utility model double speed labour-saving spanner structure chart,

Fig. 2 is an one-level planetary gear set structure chart,

Fig. 3 is secondary planet wheel group structure figure,

Fig. 4 is third-level planetary wheel group structure figure,

Fig. 5 be the B of diplopore crank handle among Fig. 1 to view,

Fig. 6 is an one-level planetary gear set A-A cutaway view among Fig. 1,

Among Fig. 1,1. cylindrical shell, 2. arch form spike, 3. low speed power shaft, 4. one-level planetary gear set, 5. secondary planet wheels, 6. third-level planetary wheels, 7. bonnet, 8. hole ring washer, 9. friction plate, 10. diplopore crank handle,

Among Fig. 2,11. star tooth axles, 12. star teeth, 13 planet carriers, 14. primary centre teeth, 15. high speed power shafts,

Among Fig. 3,16. secondary center teeth,

Among Fig. 4,17. output shafts,

Among Fig. 6,18. arcuation reinforcements.

Five. the specific embodiment:

The double speed labour-saving spanner that the utility model relates to, be by cylindrical shell 1, low speed power shaft 3, high speed power shaft 15, one-level planetary gear set 4, secondary planet wheels 5, third-level planetary wheels 6 and diplopore crank handle 10 are formed, its feature 1 is that the internal tooth in the cylindrical shell 1 is a fixed teeth, with 12 the shared engagements of star tooth in 3 groups of planetary gear set; Centre tooth that its feature 2 is low speed power shafts 3 and 12 engagements of the star tooth of one-level planetary gear set 4, primary centre tooth 14 on the high speed power shaft 15 of one-level planetary gear and 12 engagements of the star tooth of secondary planet wheels 5, the secondary center tooth 16 of secondary planet wheel and 12 engagements of the star tooth of third-level planetary wheels 6; There are 2 polygonal hole the front portion that its feature 3 is diplopore crank handles 10, one is the polygonal hole that matches with low speed power shaft 3, another is the polygonal hole that matches with high speed power shaft 15, the front portion that 2 polygonal hole are arranged and the handle portion of crank handle has one section parallel distance, its objective is the operating distance of 2 ones of increase handle and cylindrical shell 1 arch form spikes; Its feature 4 is that an end of described cylindrical shell 1 has enough arch form spikes 2 that can bear the dismounting nut torque, arch form spike 2 is an overall structure with the first half tube neck of cylindrical shell 1, the latter half of of cylindrical shell 1 is a garden column casing body that internal tooth is arranged, it has 3 groups of internal tooths that planetary gear set is public, one end of described low speed power shaft 3 is centre tooth, the centre is the cylinder that has step, the other end be one with the diplopore crank handle 10 polygonal hole polygon tenon that matches, star tooth 12 engagements of the centre tooth of low speed power shaft 3 and one-level planetary gear set 4, the center of low speed power shaft 3 is through holes, described one-level planetary gear set 4 is one and is shaped as two middle planet carriers 13 that 2 to 4 five equilibrium arcuation reinforcements 18 are arranged of circular formers, planet carrier 13 centers are high speed power shafts 15, the front portion of high speed power shaft 15 is primary centre teeth 14, it is external to be positioned at planet carrier 13, the rear portion is an axis body, axis body is by planet carrier 13 centers, the end of axle is four limits or hexagon tenon, also have 2 to 4 halving holes on the planet carrier 13, central distribution position, hole is concentric with primary centre tooth 14,1 star tooth axle 11 is respectively arranged in the hole, a star tooth 12 is respectively arranged on star tooth axle 11, described secondary planet wheels 5 have one with the identical planet carrier of primary planet carrier 13 structures, planet carrier 13 center front are secondary center teeth 16,2 to 4 halving holes are arranged on the planet carrier 13, central distribution position, hole is concentric with secondary center tooth 16,1 star tooth axle 11 is respectively arranged in the hole, 1 star tooth 12 is respectively arranged on star tooth axle 11, described third-level planetary wheels 6 have one with the identical planet carrier of primary planet carrier 13 structures, there is an output shaft 17 at planet carrier 13 centers, the front end of output shaft 17 is 1 inch square tenon, 2 to 4 halving holes are arranged on the planet carrier 13, central distribution position, hole is concentric with output shaft 17,1 star tooth axle 11 is respectively arranged in the hole, 1 star tooth 12 is respectively arranged on star tooth axle 11.In order third-level planetary wheels 6, secondary planet wheels 5, one-level planetary gear set 4, low speed power shaft 3, friction plate 9 are packed into one by one behind the cylindrical shell 1, be inserted in low speed power shaft 3 with bonnet 7, be fixed in the ring washer groove of cylindrical shell 1 with back-up ring 8 with the hole, during use, a borehole jack of diplopore crank handle 10 is gone into to realize the labour-saving operation in the tenon of low speed power shaft 3, another borehole jack of diplopore crank handle is gone in high speed power shaft 15 tenons, can realize operating apace.

Claims

1. double speed labour-saving spanner, be by cylindrical shell (1), low speed power shaft (3), high speed power shaft (15), one-level planetary gear set (4), secondary planet wheels (5), third-level planetary wheels (6) and diplopore crank handle (10) are formed, it is characterized in that: the internal tooth in the cylindrical shell (1) is a fixed teeth, with 12 the shared engagements of star tooth in 3 groups of planetary gear set, star tooth (12) engagement of the centre tooth of low speed power shaft (3) and one-level planetary gear set (4), primary centre tooth (14) on the high speed power shaft (15) of one-level planetary gear set (4) and the engagement of the star tooth (12) of secondary planet wheels (5), the secondary center tooth (16) of secondary planet wheel meshes with the star tooth (12) of third-level planetary wheels (6), there are 2 polygonal hole the front portion of diplopore crank handle (10), one is the polygonal hole that matches with low speed power shaft (3), another is the polygonal hole that matches with high speed power shaft (15), and there is one section parallel distance the front portion that 2 polygonal hole are arranged of diplopore crank handle (10) with handle portion.

2. double speed labour-saving spanner according to claim 1, it is characterized in that: an end of described cylindrical shell (1) has enough arch form support angles (2) that can bear the dismounting nut torque, arch form support angle (2) is an overall structure with the first half tube neck of cylindrical shell (1), the latter half of of cylindrical shell (1) is a cylindrical tube that internal tooth is arranged, and it has 3 groups of internal tooths that planetary gear set is public.

3. double speed labour-saving spanner according to claim 1, it is characterized in that: an end of described low speed power shaft (3) is a centre tooth, the centre is the cylinder that has step, the other end be one with diplopore crank handle (10) the polygonal hole polygon tenon that matches, star tooth (12) engagement of the centre tooth of low speed power shaft (3) and one-level planetary gear set (4), the center of low speed power shaft (3) is a through hole.

4. double speed labour-saving spanner according to claim 1, it is characterized in that: described one-level planetary gear set (4) is one and is shaped as two circular formers, the centre have 2 to 4 five equilibrium arcuation reinforcements (18) (planet carrier (13), planet carrier (13) center is a high speed power shaft (15), the front portion of high speed power shaft (15) is primary centre tooth (14), it is external to be positioned at planet carrier (13), the rear portion is an axis body, axis body is by planet carrier (13) center, the end of axis body is four limits or hexagon tenon, planet carrier (13) is gone up also has 2 to 4 halving holes, central distribution position, hole is concentric with primary centre tooth (14), 1 star tooth axle (11) is respectively arranged in the hole, a star tooth (12) is respectively arranged on star tooth axle (11).

5. double speed labour-saving spanner according to claim 1, it is characterized in that: described secondary planet wheels (5) have a planet carrier (13) identical with primary planet carrier (13) structure, planet carrier (13) center front is a secondary center tooth (16), 2 to 4 halving holes are arranged on the planet carrier (13), central distribution position, hole is concentric with secondary center tooth (16), 1 star tooth axle (11) is respectively arranged in the hole, 1 star tooth (12) is respectively arranged on star tooth axle (11).

6. double speed labour-saving spanner according to claim 1, it is characterized in that: described third-level planetary wheels (6) have one with the identical planet carrier of primary planet carrier (13) structure, there is an output shaft (17) at planet carrier (13) center, the front end of output shaft (17) is 1 inch square tenon, 2 to 4 halving holes are arranged on the planet carrier (13), central distribution position, hole is concentric with output shaft (17), and 1 star tooth axle (11) is respectively arranged in the hole, and 1 star tooth (12) is respectively arranged on star tooth axle (11).

7. double speed labour-saving spanner according to claim 1, it is characterized in that: in order with third-level planetary wheels (6), secondary planet wheels (5), one-level planetary gear set (4), low speed power shaft (3), friction plate (9) is packed into behind the cylindrical shell (1) one by one, be inserted in low speed power shaft (3) with bonnet (7), with being fixed on the hole in the ring washer groove of cylindrical shell (1) with back-up ring (8), a borehole jack of diplopore crank handle (10) is gone into to realize the labour-saving operation in the tenon of low speed power shaft (3), another borehole jack of diplopore crank handle (10) is gone in high speed power shaft (15) tenon, can realize operating apace.